mirror of
https://invent.kde.org/graphics/okular
synced 2024-11-05 18:34:53 +00:00
7d15f12fe0
- no need to notify about clearing annotations when changing page size svn path=/trunk/playground/graphics/okular/; revision=624743
2322 lines
77 KiB
C++
2322 lines
77 KiB
C++
/***************************************************************************
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* Copyright (C) 2004-2005 by Enrico Ros <eros.kde@email.it> *
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* Copyright (C) 2004-2005 by Albert Astals Cid <tsdgeos@terra.es> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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// qt/kde/system includes
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#include <QtCore/QtAlgorithms>
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#include <QtCore/QFile>
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#include <QtCore/QFileInfo>
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#include <QtCore/QMap>
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#include <QtCore/QProcess>
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#include <QtCore/QTextStream>
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#include <QtCore/QTimer>
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#include <QtGui/QApplication>
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#include <kconfigdialog.h>
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#include <kdebug.h>
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#include <kfinddialog.h>
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#include <klibloader.h>
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#include <klocale.h>
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#include <kmessagebox.h>
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#include <kmimetype.h>
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#include <kmimetypetrader.h>
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#include <krun.h>
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#include <kstandarddirs.h>
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#include <ktemporaryfile.h>
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#include <ktoolinvocation.h>
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// local includes
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#include "bookmarkmanager.h"
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#include "chooseenginedialog.h"
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#include "document.h"
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#include "generator.h"
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#include "interfaces/configinterface.h"
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#include "interfaces/guiinterface.h"
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#include "interfaces/printinterface.h"
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#include "link.h"
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#include "observer.h"
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#include "page.h"
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#include "settings.h"
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#include "sourcereference.h"
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using namespace Okular;
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struct AllocatedPixmap
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{
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// owner of the page
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int id;
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int page;
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int memory;
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// public constructor: initialize data
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AllocatedPixmap( int i, int p, int m ) : id( i ), page( p ), memory( m ) {};
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};
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struct RunningSearch
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{
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// store search properties
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int continueOnPage;
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RegularAreaRect continueOnMatch;
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QLinkedList< int > highlightedPages;
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// fields related to previous searches (used for 'continueSearch')
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QString cachedString;
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Document::SearchType cachedType;
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Qt::CaseSensitivity cachedCaseSensitivity;
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bool cachedViewportMove;
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bool cachedNoDialogs;
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QColor cachedColor;
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};
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#define foreachObserver( cmd ) {\
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QMap< int, DocumentObserver * >::const_iterator it=d->m_observers.begin(), end=d->m_observers.end();\
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for ( ; it != end ; ++ it ) { (*it)-> cmd ; } }
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/***** Document ******/
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class Document::Private
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{
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public:
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Private( Document *parent, QHash<QString, Generator*> * generators )
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: m_parent( parent ),
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m_lastSearchID( -1 ),
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m_tempFile( 0 ),
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m_allocatedPixmapsTotalMemory( 0 ),
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m_warnedOutOfMemory( false ),
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m_rotation( Rotation0 ),
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m_bookmarkManager( 0 ),
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m_memCheckTimer( 0 ),
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m_saveBookmarksTimer( 0 ),
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m_loadedGenerators ( generators ),
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m_generator( 0 ),
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m_usingCachedGenerator( false )
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{
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}
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// private methods
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QString pagesSizeString() const;
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QString localizedSize(const QSizeF &size) const;
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void cleanupPixmapMemory( int bytesOffset = 0 );
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int getTotalMemory();
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int getFreeMemory();
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void loadDocumentInfo();
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QString giveAbsolutePath( const QString & fileName );
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bool openRelativeFile( const QString & fileName );
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// private slots
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void saveDocumentInfo() const;
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void slotTimedMemoryCheck();
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void sendGeneratorRequest();
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void rotationFinished( int page );
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// member variables
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Document *m_parent;
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// find descriptors, mapped by ID (we handle multiple searches)
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QMap< int, RunningSearch * > m_searches;
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int m_lastSearchID;
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// needed because for remote documents docFileName is a local file and
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// we want the remote url when the document refers to relativeNames
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KUrl m_url;
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// cached stuff
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QString m_docFileName;
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QString m_xmlFileName;
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KTemporaryFile *m_tempFile;
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// viewport stuff
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QLinkedList< DocumentViewport > m_viewportHistory;
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QLinkedList< DocumentViewport >::iterator m_viewportIterator;
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DocumentViewport m_nextDocumentViewport; // see Link::Goto for an explanation
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// observers / requests / allocator stuff
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QMap< int, DocumentObserver * > m_observers;
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QLinkedList< PixmapRequest * > m_pixmapRequestsStack;
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QLinkedList< AllocatedPixmap * > m_allocatedPixmapsFifo;
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int m_allocatedPixmapsTotalMemory;
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bool m_warnedOutOfMemory;
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// the rotation applied to the document
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Rotation m_rotation;
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// the current size of the pages (if available), and the cache of the
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// available page sizes
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PageSize m_pageSize;
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PageSize::List m_pageSizes;
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// our bookmark manager
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BookmarkManager *m_bookmarkManager;
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// timers (memory checking / info saver)
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QTimer *m_memCheckTimer;
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QTimer *m_saveBookmarksTimer;
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QHash<QString, Generator*>* m_loadedGenerators ;
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Generator * m_generator;
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bool m_usingCachedGenerator;
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QVector< Page * > m_pagesVector;
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QVector< VisiblePageRect * > m_pageRects;
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};
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QString Document::Private::pagesSizeString() const
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{
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if (m_generator)
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{
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if (m_generator->pagesSizeMetric() != Generator::None)
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{
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QSizeF size = m_parent->allPagesSize();
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if (size.isValid()) return localizedSize(size);
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else return QString();
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}
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else return QString();
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}
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else return QString();
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}
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QString Document::Private::localizedSize(const QSizeF &size) const
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{
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double inchesWidth = 0, inchesHeight = 0;
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switch (m_generator->pagesSizeMetric())
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{
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case Generator::Points:
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inchesWidth = size.width() / 72.0;
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inchesHeight = size.height() / 72.0;
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break;
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case Generator::None:
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break;
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}
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if (KGlobal::locale()->measureSystem() == KLocale::Imperial)
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{
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return i18n("%1 x %2 in", inchesWidth, inchesHeight);
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}
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else
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{
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return i18n("%1 x %2 mm", inchesWidth * 25.4, inchesHeight * 25.4);
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}
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}
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void Document::Private::cleanupPixmapMemory( int /*sure? bytesOffset*/ )
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{
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// [MEM] choose memory parameters based on configuration profile
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int clipValue = -1;
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int memoryToFree = -1;
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switch ( Settings::memoryLevel() )
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{
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case Settings::EnumMemoryLevel::Low:
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memoryToFree = m_allocatedPixmapsTotalMemory;
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break;
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case Settings::EnumMemoryLevel::Normal:
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memoryToFree = m_allocatedPixmapsTotalMemory - getTotalMemory() / 3;
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clipValue = (m_allocatedPixmapsTotalMemory - getFreeMemory()) / 2;
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break;
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case Settings::EnumMemoryLevel::Aggressive:
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clipValue = (m_allocatedPixmapsTotalMemory - getFreeMemory()) / 2;
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break;
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}
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if ( clipValue > memoryToFree )
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memoryToFree = clipValue;
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if ( memoryToFree > 0 )
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{
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// [MEM] free memory starting from older pixmaps
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int pagesFreed = 0;
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QLinkedList< AllocatedPixmap * >::iterator pIt = m_allocatedPixmapsFifo.begin();
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QLinkedList< AllocatedPixmap * >::iterator pEnd = m_allocatedPixmapsFifo.end();
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while ( (pIt != pEnd) && (memoryToFree > 0) )
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{
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AllocatedPixmap * p = *pIt;
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if ( m_observers.value( p->id )->canUnloadPixmap( p->page ) )
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{
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// update internal variables
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pIt = m_allocatedPixmapsFifo.erase( pIt );
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m_allocatedPixmapsTotalMemory -= p->memory;
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memoryToFree -= p->memory;
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pagesFreed++;
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// delete pixmap
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m_pagesVector.at( p->page )->deletePixmap( p->id );
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// delete allocation descriptor
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delete p;
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} else
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++pIt;
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}
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//p--rintf("freeMemory A:[%d -%d = %d] \n", m_allocatedPixmapsFifo.count() + pagesFreed, pagesFreed, m_allocatedPixmapsFifo.count() );
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}
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}
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int Document::Private::getTotalMemory()
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{
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static int cachedValue = 0;
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if ( cachedValue )
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return cachedValue;
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#ifdef __linux__
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// if /proc/meminfo doesn't exist, return 128MB
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QFile memFile( "/proc/meminfo" );
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if ( !memFile.open( QIODevice::ReadOnly ) )
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return (cachedValue = 134217728);
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// read /proc/meminfo and sum up the contents of 'MemFree', 'Buffers'
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// and 'Cached' fields. consider swapped memory as used memory.
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QTextStream readStream( &memFile );
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while ( true )
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{
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QString entry = readStream.readLine();
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if ( entry.isNull() ) break;
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if ( entry.startsWith( "MemTotal:" ) )
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return (cachedValue = (1024 * entry.section( ' ', -2, -2 ).toInt()));
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}
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#endif
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return (cachedValue = 134217728);
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}
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int Document::Private::getFreeMemory()
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{
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static QTime lastUpdate = QTime::currentTime();
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static int cachedValue = 0;
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if ( lastUpdate.secsTo( QTime::currentTime() ) <= 2 )
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return cachedValue;
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#ifdef __linux__
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// if /proc/meminfo doesn't exist, return MEMORY FULL
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QFile memFile( "/proc/meminfo" );
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if ( !memFile.open( QIODevice::ReadOnly ) )
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return 0;
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// read /proc/meminfo and sum up the contents of 'MemFree', 'Buffers'
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// and 'Cached' fields. consider swapped memory as used memory.
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int memoryFree = 0;
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QString entry;
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QTextStream readStream( &memFile );
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while ( true )
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{
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entry = readStream.readLine();
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if ( entry.isNull() ) break;
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if ( entry.startsWith( "MemFree:" ) ||
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entry.startsWith( "Buffers:" ) ||
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entry.startsWith( "Cached:" ) ||
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entry.startsWith( "SwapFree:" ) )
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memoryFree += entry.section( ' ', -2, -2 ).toInt();
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if ( entry.startsWith( "SwapTotal:" ) )
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memoryFree -= entry.section( ' ', -2, -2 ).toInt();
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}
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memFile.close();
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lastUpdate = QTime::currentTime();
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return ( cachedValue = (1024 * memoryFree) );
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#else
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// tell the memory is full.. will act as in LOW profile
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return 0;
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#endif
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}
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void Document::Private::loadDocumentInfo()
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// note: load data and stores it internally (document or pages). observers
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// are still uninitialized at this point so don't access them
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{
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//kDebug() << "Using '" << d->m_xmlFileName << "' as document info file." << endl;
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if ( m_xmlFileName.isEmpty() )
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return;
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QFile infoFile( m_xmlFileName );
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if ( !infoFile.exists() || !infoFile.open( QIODevice::ReadOnly ) )
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return;
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// Load DOM from XML file
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QDomDocument doc( "documentInfo" );
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if ( !doc.setContent( &infoFile ) )
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{
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kDebug() << "Can't load XML pair! Check for broken xml." << endl;
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infoFile.close();
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return;
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}
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infoFile.close();
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QDomElement root = doc.documentElement();
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if ( root.tagName() != "documentInfo" )
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return;
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// Parse the DOM tree
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QDomNode topLevelNode = root.firstChild();
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while ( topLevelNode.isElement() )
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{
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QString catName = topLevelNode.toElement().tagName();
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// Restore page attributes (bookmark, annotations, ...) from the DOM
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if ( catName == "pageList" )
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{
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QDomNode pageNode = topLevelNode.firstChild();
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while ( pageNode.isElement() )
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{
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QDomElement pageElement = pageNode.toElement();
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if ( pageElement.hasAttribute( "number" ) )
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{
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// get page number (node's attribute)
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bool ok;
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int pageNumber = pageElement.attribute( "number" ).toInt( &ok );
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// pass the domElement to the right page, to read config data from
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if ( ok && pageNumber >= 0 && pageNumber < (int)m_pagesVector.count() )
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m_pagesVector[ pageNumber ]->restoreLocalContents( pageElement );
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}
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pageNode = pageNode.nextSibling();
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}
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}
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// Restore 'general info' from the DOM
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else if ( catName == "generalInfo" )
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{
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QDomNode infoNode = topLevelNode.firstChild();
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while ( infoNode.isElement() )
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{
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QDomElement infoElement = infoNode.toElement();
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// compatibility: [pre-3.4 viewport storage] @remove after 3.4 relase
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if ( infoElement.tagName() == "activePage" )
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{
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if ( infoElement.hasAttribute( "viewport" ) )
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*m_viewportIterator = DocumentViewport( infoElement.attribute( "viewport" ) );
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}
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// restore viewports history
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if ( infoElement.tagName() == "history" )
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{
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// clear history
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m_viewportHistory.clear();
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// append old viewports
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QDomNode historyNode = infoNode.firstChild();
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while ( historyNode.isElement() )
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{
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QDomElement historyElement = historyNode.toElement();
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if ( historyElement.hasAttribute( "viewport" ) )
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{
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QString vpString = historyElement.attribute( "viewport" );
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m_viewportIterator = m_viewportHistory.insert( m_viewportHistory.end(),
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DocumentViewport( vpString ) );
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}
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historyNode = historyNode.nextSibling();
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}
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// consistancy check
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if ( m_viewportHistory.isEmpty() )
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m_viewportIterator = m_viewportHistory.insert( m_viewportHistory.end(), DocumentViewport() );
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}
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infoNode = infoNode.nextSibling();
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}
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}
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topLevelNode = topLevelNode.nextSibling();
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} // </documentInfo>
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}
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QString Document::Private::giveAbsolutePath( const QString & fileName )
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{
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if ( !m_url.isValid() )
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return QString();
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return m_url.upUrl().url() + fileName;
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}
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bool Document::Private::openRelativeFile( const QString & fileName )
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{
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QString absFileName = giveAbsolutePath( fileName );
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if ( absFileName.isEmpty() )
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return false;
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kDebug() << "openDocument: '" << absFileName << "'" << endl;
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emit m_parent->openUrl( absFileName );
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return true;
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}
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void Document::Private::saveDocumentInfo() const
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{
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if ( m_docFileName.isEmpty() )
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return;
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QFile infoFile( m_xmlFileName );
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if (infoFile.open( QIODevice::WriteOnly | QIODevice::Truncate) )
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{
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// 1. Create DOM
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QDomDocument doc( "documentInfo" );
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QDomElement root = doc.createElement( "documentInfo" );
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doc.appendChild( root );
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// 2.1. Save page attributes (bookmark state, annotations, ... ) to DOM
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QDomElement pageList = doc.createElement( "pageList" );
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root.appendChild( pageList );
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// <page list><page number='x'>.... </page> save pages that hold data
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QVector< Page * >::const_iterator pIt = m_pagesVector.begin(), pEnd = m_pagesVector.end();
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for ( ; pIt != pEnd; ++pIt )
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(*pIt)->saveLocalContents( pageList, doc );
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// 2.2. Save document info (current viewport, history, ... ) to DOM
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QDomElement generalInfo = doc.createElement( "generalInfo" );
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root.appendChild( generalInfo );
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// <general info><history> ... </history> save history up to 10 viewports
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QLinkedList< DocumentViewport >::const_iterator backIterator = m_viewportIterator;
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if ( backIterator != m_viewportHistory.end() )
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{
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// go back up to 10 steps from the current viewportIterator
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int backSteps = 10;
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while ( backSteps-- && backIterator != m_viewportHistory.begin() )
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--backIterator;
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// create history root node
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QDomElement historyNode = doc.createElement( "history" );
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generalInfo.appendChild( historyNode );
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// add old[backIterator] and present[viewportIterator] items
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QLinkedList< DocumentViewport >::const_iterator endIt = m_viewportIterator;
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++endIt;
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while ( backIterator != endIt )
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{
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QString name = (backIterator == m_viewportIterator) ? "current" : "oldPage";
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QDomElement historyEntry = doc.createElement( name );
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historyEntry.setAttribute( "viewport", (*backIterator).toString() );
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historyNode.appendChild( historyEntry );
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++backIterator;
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}
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}
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// 3. Save DOM to XML file
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QString xml = doc.toString();
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QTextStream os( &infoFile );
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os << xml;
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}
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infoFile.close();
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}
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void Document::Private::slotTimedMemoryCheck()
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{
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// [MEM] clean memory (for 'free mem dependant' profiles only)
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if ( Settings::memoryLevel() != Settings::EnumMemoryLevel::Low &&
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m_allocatedPixmapsTotalMemory > 1024*1024 )
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cleanupPixmapMemory();
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}
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void Document::Private::sendGeneratorRequest()
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{
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// find a request
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PixmapRequest * request = 0;
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while ( !m_pixmapRequestsStack.isEmpty() && !request )
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{
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PixmapRequest * r = m_pixmapRequestsStack.last();
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if (!r)
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m_pixmapRequestsStack.pop_back();
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// request only if page isn't already present or request has invalid id
|
|
else if ( r->page()->hasPixmap( r->id(), r->width(), r->height() ) || r->id() <= 0 || r->id() >= MAX_OBSERVER_ID)
|
|
{
|
|
m_pixmapRequestsStack.pop_back();
|
|
delete r;
|
|
}
|
|
else if ( (long)r->width() * (long)r->height() > 20000000L )
|
|
{
|
|
m_pixmapRequestsStack.pop_back();
|
|
if ( !m_warnedOutOfMemory )
|
|
{
|
|
kWarning() << "Running out of memory on page " << r->pageNumber()
|
|
<< " (" << r->width() << "x" << r->height() << " px);" << endl;
|
|
kWarning() << "this message will be reported only once." << endl;
|
|
m_warnedOutOfMemory = true;
|
|
}
|
|
delete r;
|
|
}
|
|
else
|
|
request = r;
|
|
}
|
|
|
|
// if no request found (or already generated), return
|
|
if ( !request )
|
|
return;
|
|
|
|
// [MEM] preventive memory freeing
|
|
int pixmapBytes = 4 * request->width() * request->height();
|
|
if ( pixmapBytes > (1024 * 1024) )
|
|
cleanupPixmapMemory( pixmapBytes );
|
|
|
|
// submit the request to the generator
|
|
if ( m_generator->canGeneratePixmap( request->asynchronous() ) )
|
|
{
|
|
kWarning() << "sending request id=" << request->id() << " " <<request->width() << "x" << request->height() << "@" << request->pageNumber() << " async == " << request->asynchronous() << endl;
|
|
m_pixmapRequestsStack.removeAll ( request );
|
|
|
|
if ( (int)m_rotation % 2 )
|
|
request->swap();
|
|
|
|
m_generator->generatePixmap ( request );
|
|
}
|
|
else
|
|
// pino (7/4/2006): set the polling interval from 10 to 30
|
|
QTimer::singleShot( 30, m_parent, SLOT(sendGeneratorRequest()) );
|
|
}
|
|
|
|
void Document::Private::rotationFinished( int page )
|
|
{
|
|
QMap< int, DocumentObserver * >::const_iterator it = m_observers.begin(), end = m_observers.end();
|
|
for ( ; it != end ; ++ it ) {
|
|
(*it)->notifyPageChanged( page, DocumentObserver::Pixmap | DocumentObserver::Annotations );
|
|
}
|
|
}
|
|
|
|
|
|
Document::Document( QHash<QString, Generator*> * generators )
|
|
: d( new Private( this, generators ) )
|
|
{
|
|
d->m_bookmarkManager = new BookmarkManager( this );
|
|
}
|
|
|
|
Document::~Document()
|
|
{
|
|
// delete generator, pages, and related stuff
|
|
closeDocument();
|
|
|
|
// delete the private structure
|
|
delete d;
|
|
}
|
|
|
|
static bool kserviceMoreThan( const KService::Ptr &s1, const KService::Ptr &s2 )
|
|
{
|
|
return s1->property( "X-KDE-Priority" ).toInt() > s2->property( "X-KDE-Priority" ).toInt();
|
|
}
|
|
|
|
bool Document::openDocument( const QString & docFile, const KUrl& url, const KMimeType::Ptr &_mime )
|
|
{
|
|
KMimeType::Ptr mime = _mime;
|
|
QByteArray filedata;
|
|
bool isstdin = url.fileName( KUrl::ObeyTrailingSlash ) == QLatin1String( "-" );
|
|
if ( !isstdin )
|
|
{
|
|
if ( mime.count() <= 0 )
|
|
return false;
|
|
|
|
// docFile is always local so we can use QFile on it
|
|
QFile fileReadTest( docFile );
|
|
if ( !fileReadTest.open( QIODevice::ReadOnly ) )
|
|
{
|
|
d->m_docFileName.clear();
|
|
return false;
|
|
}
|
|
// determine the related "xml document-info" filename
|
|
d->m_url = url;
|
|
d->m_docFileName = docFile;
|
|
QString fn = docFile.contains('/') ? docFile.section('/', -1, -1) : docFile;
|
|
fn = "kpdf/" + QString::number(fileReadTest.size()) + '.' + fn + ".xml";
|
|
fileReadTest.close();
|
|
d->m_xmlFileName = KStandardDirs::locateLocal( "data", fn );
|
|
}
|
|
else
|
|
{
|
|
QFile qstdin;
|
|
qstdin.open( stdin, QIODevice::ReadOnly );
|
|
filedata = qstdin.readAll();
|
|
mime = KMimeType::findByContent( filedata );
|
|
if ( !mime || mime->name() == QLatin1String( "application/octet-stream" ) )
|
|
return false;
|
|
}
|
|
|
|
// 0. load Generator
|
|
// request only valid non-disabled plugins suitable for the mimetype
|
|
QString constraint("([X-KDE-Priority] > 0) and (exist Library)") ;
|
|
KService::List offers = KMimeTypeTrader::self()->query(mime->name(),"okular/Generator",constraint);
|
|
if (offers.isEmpty())
|
|
{
|
|
kWarning() << "No plugin for mimetype '" << mime->name() << "'." << endl;
|
|
return false;
|
|
}
|
|
int hRank=0;
|
|
// order the offers: the offers with an higher priority come before
|
|
qStableSort( offers.begin(), offers.end(), kserviceMoreThan );
|
|
|
|
// best ranked offer search
|
|
if (offers.count() > 1 && Settings::chooseGenerators() )
|
|
{
|
|
QStringList list;
|
|
int count=offers.count();
|
|
for (int i=0;i<count;++i)
|
|
{
|
|
list << offers.at(i)->name();
|
|
}
|
|
ChooseEngineDialog choose( list, mime, 0 );
|
|
|
|
int retval = choose.exec();
|
|
int index = choose.selectedGenerator();
|
|
switch( retval )
|
|
{
|
|
case QDialog::Accepted:
|
|
hRank=index;
|
|
break;
|
|
case QDialog::Rejected:
|
|
return false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
QString propName = offers.at(hRank)->name();
|
|
d->m_usingCachedGenerator=false;
|
|
d->m_generator = d->m_loadedGenerators->take(propName);
|
|
if (!d->m_generator)
|
|
{
|
|
KLibLoader *loader = KLibLoader::self();
|
|
if (!loader)
|
|
{
|
|
kWarning() << "Could not start library loader: '" << loader->lastErrorMessage() << "'." << endl;
|
|
return false;
|
|
}
|
|
KLibrary *lib = loader->globalLibrary( QFile::encodeName( offers.at(hRank)->library() ) );
|
|
if (!lib)
|
|
{
|
|
kWarning() << "Could not load '" << offers.at(hRank)->library() << "' library." << endl;
|
|
return false;
|
|
}
|
|
|
|
Generator* (*create_plugin)() = ( Generator* (*)() ) lib->symbol( "create_plugin" );
|
|
d->m_generator = create_plugin();
|
|
|
|
if ( !d->m_generator )
|
|
{
|
|
kWarning() << "Sth broke." << endl;
|
|
return false;
|
|
}
|
|
if ( offers.at(hRank)->property( "X-KDE-okularHasInternalSettings" ).toBool() )
|
|
{
|
|
d->m_loadedGenerators->insert(propName, d->m_generator);
|
|
d->m_usingCachedGenerator=true;
|
|
}
|
|
// end
|
|
}
|
|
else
|
|
{
|
|
d->m_usingCachedGenerator=true;
|
|
}
|
|
d->m_generator->setDocument( this );
|
|
|
|
// connect error reporting signals
|
|
connect( d->m_generator, SIGNAL( error( const QString&, int ) ), this, SIGNAL( error( const QString&, int ) ) );
|
|
connect( d->m_generator, SIGNAL( warning( const QString&, int ) ), this, SIGNAL( warning( const QString&, int ) ) );
|
|
connect( d->m_generator, SIGNAL( notice( const QString&, int ) ), this, SIGNAL( notice( const QString&, int ) ) );
|
|
|
|
// 1. load Document (and set busy cursor while loading)
|
|
QApplication::setOverrideCursor( Qt::WaitCursor );
|
|
bool openOk = false;
|
|
if ( !isstdin )
|
|
{
|
|
openOk = d->m_generator->loadDocument( docFile, d->m_pagesVector );
|
|
}
|
|
else if ( !filedata.isEmpty() )
|
|
{
|
|
if ( d->m_generator->hasFeature( Generator::ReadRawData ) )
|
|
{
|
|
openOk = d->m_generator->loadDocumentFromData( filedata, d->m_pagesVector );
|
|
}
|
|
else
|
|
{
|
|
d->m_tempFile = new KTemporaryFile();
|
|
if ( !d->m_tempFile->open() )
|
|
{
|
|
delete d->m_tempFile;
|
|
d->m_tempFile = 0;
|
|
}
|
|
else
|
|
{
|
|
d->m_tempFile->write( filedata );
|
|
QString tmpFileName = d->m_tempFile->fileName();
|
|
d->m_tempFile->close();
|
|
openOk = d->m_generator->loadDocument( tmpFileName, d->m_pagesVector );
|
|
}
|
|
}
|
|
}
|
|
|
|
for ( int i = 0; i < d->m_pagesVector.count(); ++i )
|
|
connect( d->m_pagesVector[ i ], SIGNAL( rotationFinished( int ) ),
|
|
this, SLOT( rotationFinished( int ) ) );
|
|
|
|
QApplication::restoreOverrideCursor();
|
|
if ( !openOk || d->m_pagesVector.size() <= 0 )
|
|
{
|
|
if (!d->m_usingCachedGenerator)
|
|
{
|
|
delete d->m_generator;
|
|
}
|
|
d->m_generator = 0;
|
|
return openOk;
|
|
}
|
|
|
|
// 2. load Additional Data (our bookmarks and metadata) about the document
|
|
d->loadDocumentInfo();
|
|
d->m_bookmarkManager->setUrl( d->m_url );
|
|
|
|
// 3. setup observers inernal lists and data
|
|
foreachObserver( notifySetup( d->m_pagesVector, true ) );
|
|
|
|
// 4. set initial page (restoring the page saved in xml if loaded)
|
|
DocumentViewport loadedViewport = (*d->m_viewportIterator);
|
|
if ( loadedViewport.isValid() )
|
|
{
|
|
(*d->m_viewportIterator) = DocumentViewport();
|
|
if ( loadedViewport.pageNumber >= (int)d->m_pagesVector.size() )
|
|
loadedViewport.pageNumber = d->m_pagesVector.size() - 1;
|
|
}
|
|
else
|
|
loadedViewport.pageNumber = 0;
|
|
setViewport( loadedViewport );
|
|
|
|
// start bookmark saver timer
|
|
if ( !d->m_saveBookmarksTimer )
|
|
{
|
|
d->m_saveBookmarksTimer = new QTimer( this );
|
|
connect( d->m_saveBookmarksTimer, SIGNAL( timeout() ), this, SLOT( saveDocumentInfo() ) );
|
|
}
|
|
d->m_saveBookmarksTimer->start( 5 * 60 * 1000 );
|
|
|
|
// start memory check timer
|
|
if ( !d->m_memCheckTimer )
|
|
{
|
|
d->m_memCheckTimer = new QTimer( this );
|
|
connect( d->m_memCheckTimer, SIGNAL( timeout() ), this, SLOT( slotTimedMemoryCheck() ) );
|
|
}
|
|
d->m_memCheckTimer->start( 2000 );
|
|
|
|
if (d->m_nextDocumentViewport.isValid())
|
|
{
|
|
setViewport(d->m_nextDocumentViewport);
|
|
d->m_nextDocumentViewport = DocumentViewport();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
QString Document::xmlFile()
|
|
{
|
|
if ( d->m_generator )
|
|
{
|
|
Okular::GuiInterface * iface = qobject_cast< Okular::GuiInterface * >( d->m_generator );
|
|
return iface ? iface->xmlFile() : QString();
|
|
}
|
|
else
|
|
return QString();
|
|
}
|
|
|
|
void Document::setupGui( KActionCollection *ac, QToolBox *tBox )
|
|
{
|
|
if ( d->m_generator && ac && tBox )
|
|
{
|
|
Okular::GuiInterface * iface = qobject_cast< Okular::GuiInterface * >( d->m_generator );
|
|
if ( iface )
|
|
iface->setupGui( ac, tBox );
|
|
}
|
|
}
|
|
|
|
void Document::closeDocument()
|
|
{
|
|
// close the current document and save document info if a document is still opened
|
|
if ( d->m_generator && d->m_pagesVector.size() > 0 )
|
|
{
|
|
d->m_generator->closeDocument();
|
|
d->saveDocumentInfo();
|
|
}
|
|
|
|
// stop timers
|
|
if ( d->m_memCheckTimer )
|
|
d->m_memCheckTimer->stop();
|
|
if ( d->m_saveBookmarksTimer )
|
|
d->m_saveBookmarksTimer->stop();
|
|
|
|
if ( d->m_generator )
|
|
{
|
|
Okular::GuiInterface * iface = qobject_cast< Okular::GuiInterface * >( d->m_generator );
|
|
if ( iface )
|
|
iface->freeGui();
|
|
}
|
|
if (!d->m_usingCachedGenerator)
|
|
{
|
|
// delete contents generator
|
|
delete d->m_generator;
|
|
}
|
|
d->m_generator = 0;
|
|
d->m_url = KUrl();
|
|
d->m_docFileName = QString();
|
|
d->m_xmlFileName = QString();
|
|
delete d->m_tempFile;
|
|
d->m_tempFile = 0;
|
|
// remove requests left in queue
|
|
QLinkedList< PixmapRequest * >::const_iterator sIt = d->m_pixmapRequestsStack.begin();
|
|
QLinkedList< PixmapRequest * >::const_iterator sEnd = d->m_pixmapRequestsStack.end();
|
|
for ( ; sIt != sEnd; ++sIt )
|
|
delete *sIt;
|
|
d->m_pixmapRequestsStack.clear();
|
|
|
|
// send an empty list to observers (to free their data)
|
|
foreachObserver( notifySetup( QVector< Page * >(), true ) );
|
|
|
|
// delete pages and clear 'd->m_pagesVector' container
|
|
QVector< Page * >::const_iterator pIt = d->m_pagesVector.begin();
|
|
QVector< Page * >::const_iterator pEnd = d->m_pagesVector.end();
|
|
for ( ; pIt != pEnd; ++pIt )
|
|
delete *pIt;
|
|
d->m_pagesVector.clear();
|
|
|
|
// clear 'memory allocation' descriptors
|
|
QLinkedList< AllocatedPixmap * >::const_iterator aIt = d->m_allocatedPixmapsFifo.begin();
|
|
QLinkedList< AllocatedPixmap * >::const_iterator aEnd = d->m_allocatedPixmapsFifo.end();
|
|
for ( ; aIt != aEnd; ++aIt )
|
|
delete *aIt;
|
|
d->m_allocatedPixmapsFifo.clear();
|
|
|
|
// clear 'running searches' descriptors
|
|
QMap< int, RunningSearch * >::const_iterator rIt = d->m_searches.begin();
|
|
QMap< int, RunningSearch * >::const_iterator rEnd = d->m_searches.end();
|
|
for ( ; rIt != rEnd; ++rIt )
|
|
delete *rIt;
|
|
d->m_searches.clear();
|
|
|
|
// clear the visible areas and notify the observers
|
|
QVector< VisiblePageRect * >::const_iterator vIt = d->m_pageRects.begin();
|
|
QVector< VisiblePageRect * >::const_iterator vEnd = d->m_pageRects.end();
|
|
for ( ; vIt != vEnd; ++vIt )
|
|
delete *vIt;
|
|
d->m_pageRects.clear();
|
|
foreachObserver( notifyVisibleRectsChanged() );
|
|
|
|
// reset internal variables
|
|
|
|
d->m_viewportHistory.clear();
|
|
d->m_viewportHistory.append( DocumentViewport() );
|
|
d->m_viewportIterator = d->m_viewportHistory.begin();
|
|
d->m_allocatedPixmapsTotalMemory = 0;
|
|
d->m_pageSize = PageSize();
|
|
d->m_pageSizes.clear();
|
|
}
|
|
|
|
void Document::addObserver( DocumentObserver * pObserver )
|
|
{
|
|
// keep the pointer to the observer in a map
|
|
d->m_observers[ pObserver->observerId() ] = pObserver;
|
|
|
|
// if the observer is added while a document is already opened, tell it
|
|
if ( !d->m_pagesVector.isEmpty() )
|
|
{
|
|
pObserver->notifySetup( d->m_pagesVector, true );
|
|
pObserver->notifyViewportChanged( false /*disables smoothMove*/ );
|
|
}
|
|
}
|
|
|
|
void Document::removeObserver( DocumentObserver * pObserver )
|
|
{
|
|
// remove observer from the map. it won't receive notifications anymore
|
|
if ( d->m_observers.contains( pObserver->observerId() ) )
|
|
{
|
|
// free observer's pixmap data
|
|
int observerId = pObserver->observerId();
|
|
QVector<Page*>::const_iterator it = d->m_pagesVector.begin(), end = d->m_pagesVector.end();
|
|
for ( ; it != end; ++it )
|
|
(*it)->deletePixmap( observerId );
|
|
|
|
// [MEM] free observer's allocation descriptors
|
|
QLinkedList< AllocatedPixmap * >::iterator aIt = d->m_allocatedPixmapsFifo.begin();
|
|
QLinkedList< AllocatedPixmap * >::iterator aEnd = d->m_allocatedPixmapsFifo.end();
|
|
while ( aIt != aEnd )
|
|
{
|
|
AllocatedPixmap * p = *aIt;
|
|
if ( p->id == observerId )
|
|
{
|
|
aIt = d->m_allocatedPixmapsFifo.erase( aIt );
|
|
delete p;
|
|
}
|
|
else
|
|
++aIt;
|
|
}
|
|
|
|
// delete observer entry from the map
|
|
d->m_observers.remove( observerId );
|
|
}
|
|
}
|
|
|
|
void Document::reparseConfig()
|
|
{
|
|
// reparse generator config and if something changed clear Pages
|
|
bool configchanged = false;
|
|
if ( d->m_generator )
|
|
{
|
|
Okular::ConfigInterface * iface = qobject_cast< Okular::ConfigInterface * >( d->m_generator );
|
|
if ( iface )
|
|
configchanged = iface->reparseConfig();
|
|
}
|
|
if ( configchanged )
|
|
{
|
|
// invalidate pixmaps
|
|
QVector<Page*>::const_iterator it = d->m_pagesVector.begin(), end = d->m_pagesVector.end();
|
|
for ( ; it != end; ++it ) {
|
|
(*it)->deletePixmaps();
|
|
(*it)->deleteRects();
|
|
}
|
|
|
|
// [MEM] remove allocation descriptors
|
|
QLinkedList< AllocatedPixmap * >::const_iterator aIt = d->m_allocatedPixmapsFifo.begin();
|
|
QLinkedList< AllocatedPixmap * >::const_iterator aEnd = d->m_allocatedPixmapsFifo.end();
|
|
for ( ; aIt != aEnd; ++aIt )
|
|
delete *aIt;
|
|
d->m_allocatedPixmapsFifo.clear();
|
|
d->m_allocatedPixmapsTotalMemory = 0;
|
|
|
|
// send reload signals to observers
|
|
foreachObserver( notifyContentsCleared( DocumentObserver::Pixmap ) );
|
|
}
|
|
|
|
// free memory if in 'low' profile
|
|
if ( Settings::memoryLevel() == Settings::EnumMemoryLevel::Low &&
|
|
!d->m_allocatedPixmapsFifo.isEmpty() && !d->m_pagesVector.isEmpty() )
|
|
d->cleanupPixmapMemory();
|
|
}
|
|
|
|
|
|
bool Document::isOpened() const
|
|
{
|
|
return d->m_generator;
|
|
}
|
|
|
|
bool Document::canConfigurePrinter( ) const
|
|
{
|
|
if ( d->m_generator )
|
|
{
|
|
Okular::PrintInterface * iface = qobject_cast< Okular::PrintInterface * >( d->m_generator );
|
|
return iface ? true : false;
|
|
}
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
const DocumentInfo * Document::documentInfo() const
|
|
{
|
|
if ( d->m_generator )
|
|
{
|
|
DocumentInfo *info = const_cast<DocumentInfo *>(d->m_generator->generateDocumentInfo());
|
|
QString pagesSize = d->pagesSizeString();
|
|
if (!pagesSize.isEmpty())
|
|
{
|
|
info->set( "pagesSize", pagesSize, i18n("Pages Size") );
|
|
}
|
|
return info;
|
|
}
|
|
else return NULL;
|
|
}
|
|
|
|
const DocumentSynopsis * Document::documentSynopsis() const
|
|
{
|
|
return d->m_generator ? d->m_generator->generateDocumentSynopsis() : NULL;
|
|
}
|
|
|
|
const DocumentFonts * Document::documentFonts() const
|
|
{
|
|
return d->m_generator ? d->m_generator->generateDocumentFonts() : NULL;
|
|
}
|
|
|
|
const QList<EmbeddedFile*> *Document::embeddedFiles() const
|
|
{
|
|
return d->m_generator ? d->m_generator->embeddedFiles() : NULL;
|
|
}
|
|
|
|
const Page * Document::page( int n ) const
|
|
{
|
|
return ( n < d->m_pagesVector.count() ) ? d->m_pagesVector[n] : 0;
|
|
}
|
|
|
|
const DocumentViewport & Document::viewport() const
|
|
{
|
|
return (*d->m_viewportIterator);
|
|
}
|
|
|
|
const QVector< VisiblePageRect * > & Document::visiblePageRects() const
|
|
{
|
|
return d->m_pageRects;
|
|
}
|
|
|
|
void Document::setVisiblePageRects( const QVector< VisiblePageRect * > & visiblePageRects, int excludeId )
|
|
{
|
|
QVector< VisiblePageRect * >::const_iterator vIt = d->m_pageRects.begin();
|
|
QVector< VisiblePageRect * >::const_iterator vEnd = d->m_pageRects.end();
|
|
for ( ; vIt != vEnd; ++vIt )
|
|
delete *vIt;
|
|
d->m_pageRects = visiblePageRects;
|
|
// notify change to all other (different from id) observers
|
|
QMap< int, DocumentObserver * >::const_iterator it = d->m_observers.begin(), end = d->m_observers.end();
|
|
for ( ; it != end ; ++ it )
|
|
if ( it.key() != excludeId )
|
|
(*it)->notifyVisibleRectsChanged();
|
|
}
|
|
|
|
uint Document::currentPage() const
|
|
{
|
|
return (*d->m_viewportIterator).pageNumber;
|
|
}
|
|
|
|
uint Document::pages() const
|
|
{
|
|
return d->m_pagesVector.size();
|
|
}
|
|
|
|
KUrl Document::currentDocument() const
|
|
{
|
|
return d->m_url;
|
|
}
|
|
|
|
bool Document::isAllowed( Permissions flags ) const
|
|
{
|
|
return d->m_generator ? d->m_generator->isAllowed( flags ) : false;
|
|
}
|
|
|
|
bool Document::supportsSearching() const
|
|
{
|
|
return d->m_generator ? d->m_generator->hasFeature( Generator::TextExtraction ) : false;
|
|
}
|
|
|
|
bool Document::supportsPageSizes() const
|
|
{
|
|
return d->m_generator ? d->m_generator->hasFeature( Generator::PageSizes ) : false;
|
|
}
|
|
|
|
PageSize::List Document::pageSizes() const
|
|
{
|
|
if ( d->m_generator )
|
|
{
|
|
if ( d->m_pageSizes.isEmpty() )
|
|
d->m_pageSizes = d->m_generator->pageSizes();
|
|
return d->m_pageSizes;
|
|
}
|
|
return PageSize::List();
|
|
}
|
|
|
|
bool Document::canExportToText() const
|
|
{
|
|
if ( !d->m_generator )
|
|
return false;
|
|
|
|
const ExportFormat::List formats = d->m_generator->exportFormats();
|
|
for ( int i = 0; i < formats.count(); ++i ) {
|
|
if ( formats[ i ].mimeType()->name() == QLatin1String( "text/plain" ) )
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool Document::exportToText( const QString& fileName ) const
|
|
{
|
|
if ( !d->m_generator )
|
|
return false;
|
|
|
|
const ExportFormat::List formats = d->m_generator->exportFormats();
|
|
for ( int i = 0; i < formats.count(); ++i ) {
|
|
if ( formats[ i ].mimeType()->name() == QLatin1String( "text/plain" ) )
|
|
return d->m_generator->exportTo( fileName, formats[ i ] );
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
ExportFormat::List Document::exportFormats() const
|
|
{
|
|
return d->m_generator ? d->m_generator->exportFormats() : ExportFormat::List();
|
|
}
|
|
|
|
bool Document::exportTo( const QString& fileName, const ExportFormat& format ) const
|
|
{
|
|
return d->m_generator ? d->m_generator->exportTo( fileName, format ) : false;
|
|
}
|
|
|
|
bool Document::historyAtBegin() const
|
|
{
|
|
return d->m_viewportIterator == d->m_viewportHistory.begin();
|
|
}
|
|
|
|
bool Document::historyAtEnd() const
|
|
{
|
|
return d->m_viewportIterator == --(d->m_viewportHistory.end());
|
|
}
|
|
|
|
QVariant Document::metaData( const QString & key, const QVariant & option ) const
|
|
{
|
|
return d->m_generator ? d->m_generator->metaData( key, option ) : QVariant();
|
|
}
|
|
|
|
Rotation Document::rotation() const
|
|
{
|
|
return d->m_rotation;
|
|
}
|
|
|
|
QSizeF Document::allPagesSize() const
|
|
{
|
|
bool allPagesSameSize = true;
|
|
QSizeF size;
|
|
for (int i = 0; allPagesSameSize && i < d->m_pagesVector.count(); ++i)
|
|
{
|
|
Page *p = d->m_pagesVector[i];
|
|
if (i == 0) size = QSizeF(p->width(), p->height());
|
|
else
|
|
{
|
|
allPagesSameSize = (size == QSizeF(p->width(), p->height()));
|
|
}
|
|
}
|
|
if (allPagesSameSize) return size;
|
|
else return QSizeF();
|
|
}
|
|
|
|
QString Document::pageSizeString(int page) const
|
|
{
|
|
if (d->m_generator)
|
|
{
|
|
if (d->m_generator->pagesSizeMetric() != Generator::None)
|
|
{
|
|
Page *p = d->m_pagesVector[page];
|
|
return d->localizedSize(QSizeF(p->width(), p->height()));
|
|
}
|
|
}
|
|
return QString();
|
|
}
|
|
|
|
void Document::requestPixmaps( const QLinkedList< PixmapRequest * > & requests )
|
|
{
|
|
if ( !d->m_generator )
|
|
{
|
|
// delete requests..
|
|
QLinkedList< PixmapRequest * >::const_iterator rIt = requests.begin(), rEnd = requests.end();
|
|
for ( ; rIt != rEnd; ++rIt )
|
|
delete *rIt;
|
|
// ..and return
|
|
return;
|
|
}
|
|
|
|
// 1. [CLEAN STACK] remove previous requests of requesterID
|
|
int requesterID = requests.first()->id();
|
|
QLinkedList< PixmapRequest * >::iterator sIt = d->m_pixmapRequestsStack.begin(), sEnd = d->m_pixmapRequestsStack.end();
|
|
while ( sIt != sEnd )
|
|
{
|
|
if ( (*sIt)->id() == requesterID )
|
|
{
|
|
// delete request and remove it from stack
|
|
delete *sIt;
|
|
sIt = d->m_pixmapRequestsStack.erase( sIt );
|
|
}
|
|
else
|
|
++sIt;
|
|
}
|
|
|
|
// 2. [ADD TO STACK] add requests to stack
|
|
bool threadingDisabled = !Settings::enableThreading();
|
|
QLinkedList< PixmapRequest * >::const_iterator rIt = requests.begin(), rEnd = requests.end();
|
|
for ( ; rIt != rEnd; ++rIt )
|
|
{
|
|
// set the 'page field' (see PixmapRequest) and check if it is valid
|
|
PixmapRequest * request = *rIt;
|
|
kWarning() << "request id=" << request->id() << " " <<request->width() << "x" << request->height() << "@" << request->pageNumber() << endl;
|
|
if ( d->m_pagesVector.value( request->pageNumber() ) == 0 )
|
|
{
|
|
// skip requests referencing an invalid page (must not happen)
|
|
delete request;
|
|
continue;
|
|
}
|
|
|
|
request->setPage( d->m_pagesVector.value( request->pageNumber() ) );
|
|
|
|
if ( !request->asynchronous() )
|
|
request->setPriority( 0 );
|
|
|
|
if ( request->asynchronous() && threadingDisabled )
|
|
request->setAsynchronous( false );
|
|
|
|
// add request to the 'stack' at the right place
|
|
if ( !request->priority() )
|
|
// add priority zero requests to the top of the stack
|
|
d->m_pixmapRequestsStack.append( request );
|
|
else
|
|
{
|
|
// insert in stack sorted by priority
|
|
sIt = d->m_pixmapRequestsStack.begin();
|
|
sEnd = d->m_pixmapRequestsStack.end();
|
|
while ( sIt != sEnd && (*sIt)->priority() > request->priority() )
|
|
++sIt;
|
|
d->m_pixmapRequestsStack.insert( sIt, request );
|
|
}
|
|
}
|
|
|
|
// 3. [START FIRST GENERATION] if <NO>generator is ready, start a new generation,
|
|
// or else (if gen is running) it will be started when the new contents will
|
|
//come from generator (in requestDone())</NO>
|
|
// all handling of requests put into sendGeneratorRequest
|
|
// if ( generator->canGeneratePixmap() )
|
|
d->sendGeneratorRequest();
|
|
}
|
|
|
|
void Document::requestTextPage( uint page )
|
|
{
|
|
Page * kp = d->m_pagesVector[ page ];
|
|
if ( !d->m_generator || !kp )
|
|
return;
|
|
|
|
// Memory management for TextPages
|
|
|
|
d->m_generator->generateSyncTextPage( kp );
|
|
}
|
|
|
|
void Document::addPageAnnotation( int page, Annotation * annotation )
|
|
{
|
|
// find out the page to attach annotation
|
|
Page * kp = d->m_pagesVector[ page ];
|
|
if ( !d->m_generator || !kp )
|
|
return;
|
|
|
|
// add annotation to the page
|
|
kp->addAnnotation( annotation );
|
|
|
|
// notify observers about the change
|
|
foreachObserver( notifyPageChanged( page, DocumentObserver::Annotations ) );
|
|
}
|
|
|
|
void Document::modifyPageAnnotation( int page, Annotation * newannotation )
|
|
{
|
|
//TODO: modify annotations
|
|
|
|
// find out the page
|
|
Page * kp = d->m_pagesVector[ page ];
|
|
if ( !d->m_generator || !kp )
|
|
return;
|
|
|
|
kp->modifyAnnotation( newannotation );
|
|
// notify observers about the change
|
|
foreachObserver( notifyPageChanged( page, DocumentObserver::Annotations ) );
|
|
}
|
|
|
|
|
|
void Document::removePageAnnotation( int page, Annotation * annotation )
|
|
{
|
|
// find out the page
|
|
Page * kp = d->m_pagesVector[ page ];
|
|
if ( !d->m_generator || !kp )
|
|
return;
|
|
|
|
// try to remove the annotation
|
|
if ( kp->removeAnnotation( annotation ) )
|
|
{
|
|
// in case of success, notify observers about the change
|
|
foreachObserver( notifyPageChanged( page, DocumentObserver::Annotations ) );
|
|
}
|
|
}
|
|
|
|
void Document::removePageAnnotations( int page, QList< Annotation * > annotations )
|
|
{
|
|
// find out the page
|
|
Page * kp = d->m_pagesVector[ page ];
|
|
if ( !d->m_generator || !kp )
|
|
return;
|
|
|
|
bool changed = false;
|
|
foreach ( Annotation * annotation, annotations )
|
|
{
|
|
// try to remove the annotation
|
|
if ( kp->removeAnnotation( annotation ) )
|
|
{
|
|
changed = true;
|
|
}
|
|
}
|
|
if ( changed )
|
|
{
|
|
// in case we removed even only one annotation, notify observers about the change
|
|
foreachObserver( notifyPageChanged( page, DocumentObserver::Annotations ) );
|
|
}
|
|
}
|
|
|
|
void Document::setPageTextSelection( int page, RegularAreaRect * rect, const QColor & color )
|
|
{
|
|
Page * kp = d->m_pagesVector[ page ];
|
|
if ( !d->m_generator || !kp )
|
|
return;
|
|
|
|
// add or remove the selection basing whether rect is null or not
|
|
if ( rect )
|
|
kp->setTextSelections( rect, color );
|
|
else
|
|
kp->deleteTextSelections();
|
|
|
|
// notify observers about the change
|
|
foreachObserver( notifyPageChanged( page, DocumentObserver::TextSelection ) );
|
|
}
|
|
|
|
/* REFERENCE IMPLEMENTATION: better calling setViewport from other code
|
|
void Document::setNextPage()
|
|
{
|
|
// advance page and set viewport on observers
|
|
if ( (*d->m_viewportIterator).pageNumber < (int)d->m_pagesVector.count() - 1 )
|
|
setViewport( DocumentViewport( (*d->m_viewportIterator).pageNumber + 1 ) );
|
|
}
|
|
|
|
void Document::setPrevPage()
|
|
{
|
|
// go to previous page and set viewport on observers
|
|
if ( (*d->m_viewportIterator).pageNumber > 0 )
|
|
setViewport( DocumentViewport( (*d->m_viewportIterator).pageNumber - 1 ) );
|
|
}
|
|
*/
|
|
void Document::setViewportPage( int page, int excludeId, bool smoothMove )
|
|
{
|
|
// clamp page in range [0 ... numPages-1]
|
|
if ( page < 0 )
|
|
page = 0;
|
|
else if ( page > (int)d->m_pagesVector.count() )
|
|
page = d->m_pagesVector.count() - 1;
|
|
|
|
// make a viewport from the page and broadcast it
|
|
setViewport( DocumentViewport( page ), excludeId, smoothMove );
|
|
}
|
|
|
|
void Document::setViewport( const DocumentViewport & viewport, int excludeId, bool smoothMove )
|
|
{
|
|
// if already broadcasted, don't redo it
|
|
DocumentViewport & oldViewport = *d->m_viewportIterator;
|
|
// disabled by enrico on 2005-03-18 (less debug output)
|
|
//if ( viewport == oldViewport )
|
|
// kDebug() << "setViewport with the same viewport." << endl;
|
|
|
|
// set internal viewport taking care of history
|
|
if ( oldViewport.pageNumber == viewport.pageNumber || !oldViewport.isValid() )
|
|
{
|
|
// if page is unchanged save the viewport at current position in queue
|
|
oldViewport = viewport;
|
|
}
|
|
else
|
|
{
|
|
// remove elements after viewportIterator in queue
|
|
d->m_viewportHistory.erase( ++d->m_viewportIterator, d->m_viewportHistory.end() );
|
|
|
|
// keep the list to a reasonable size by removing head when needed
|
|
if ( d->m_viewportHistory.count() >= 100 )
|
|
d->m_viewportHistory.pop_front();
|
|
|
|
// add the item at the end of the queue
|
|
d->m_viewportIterator = d->m_viewportHistory.insert( d->m_viewportHistory.end(), viewport );
|
|
}
|
|
|
|
// notify change to all other (different from id) observers
|
|
QMap< int, DocumentObserver * >::const_iterator it = d->m_observers.begin(), end = d->m_observers.end();
|
|
for ( ; it != end ; ++ it )
|
|
if ( it.key() != excludeId )
|
|
(*it)->notifyViewportChanged( smoothMove );
|
|
|
|
// [MEM] raise position of currently viewed page in allocation queue
|
|
if ( d->m_allocatedPixmapsFifo.count() > 1 )
|
|
{
|
|
const int page = viewport.pageNumber;
|
|
QLinkedList< AllocatedPixmap * > viewportPixmaps;
|
|
QLinkedList< AllocatedPixmap * >::iterator aIt = d->m_allocatedPixmapsFifo.begin();
|
|
QLinkedList< AllocatedPixmap * >::iterator aEnd = d->m_allocatedPixmapsFifo.end();
|
|
while ( aIt != aEnd )
|
|
{
|
|
if ( (*aIt)->page == page )
|
|
{
|
|
viewportPixmaps.append( *aIt );
|
|
aIt = d->m_allocatedPixmapsFifo.erase( aIt );
|
|
continue;
|
|
}
|
|
++aIt;
|
|
}
|
|
if ( !viewportPixmaps.isEmpty() )
|
|
d->m_allocatedPixmapsFifo += viewportPixmaps;
|
|
}
|
|
}
|
|
|
|
void Document::setPrevViewport()
|
|
// restore viewport from the history
|
|
{
|
|
if ( d->m_viewportIterator != d->m_viewportHistory.begin() )
|
|
{
|
|
// restore previous viewport and notify it to observers
|
|
--d->m_viewportIterator;
|
|
foreachObserver( notifyViewportChanged( true ) );
|
|
}
|
|
}
|
|
|
|
void Document::setNextViewport()
|
|
// restore next viewport from the history
|
|
{
|
|
QLinkedList< DocumentViewport >::const_iterator nextIterator = d->m_viewportIterator;
|
|
++nextIterator;
|
|
if ( nextIterator != d->m_viewportHistory.end() )
|
|
{
|
|
// restore next viewport and notify it to observers
|
|
++d->m_viewportIterator;
|
|
foreachObserver( notifyViewportChanged( true ) );
|
|
}
|
|
}
|
|
|
|
void Document::setNextDocumentViewport( const DocumentViewport & viewport )
|
|
{
|
|
d->m_nextDocumentViewport = viewport;
|
|
}
|
|
|
|
bool Document::searchText( int searchID, const QString & text, bool fromStart, Qt::CaseSensitivity caseSensitivity,
|
|
SearchType type, bool moveViewport, const QColor & color, bool noDialogs )
|
|
{
|
|
// safety checks: don't perform searches on empty or unsearchable docs
|
|
if ( !d->m_generator || !d->m_generator->hasFeature( Generator::TextExtraction ) || d->m_pagesVector.isEmpty() )
|
|
return false;
|
|
|
|
// if searchID search not recorded, create new descriptor and init params
|
|
if ( !d->m_searches.contains( searchID ) )
|
|
{
|
|
RunningSearch * search = new RunningSearch();
|
|
search->continueOnPage = -1;
|
|
d->m_searches[ searchID ] = search;
|
|
}
|
|
if (d->m_lastSearchID != searchID)
|
|
{
|
|
resetSearch(d->m_lastSearchID);
|
|
}
|
|
d->m_lastSearchID = searchID;
|
|
RunningSearch * s = d->m_searches[ searchID ];
|
|
|
|
// update search stucture
|
|
bool newText = text != s->cachedString;
|
|
s->cachedString = text;
|
|
s->cachedType = type;
|
|
s->cachedCaseSensitivity = caseSensitivity;
|
|
s->cachedViewportMove = moveViewport;
|
|
s->cachedNoDialogs = noDialogs;
|
|
s->cachedColor = color;
|
|
|
|
// global data for search
|
|
bool foundAMatch = false;
|
|
QLinkedList< int > pagesToNotify;
|
|
|
|
// remove highlights from pages and queue them for notifying changes
|
|
pagesToNotify += s->highlightedPages;
|
|
QLinkedList< int >::const_iterator it = s->highlightedPages.begin(), end = s->highlightedPages.end();
|
|
for ( ; it != end; ++it )
|
|
d->m_pagesVector[ *it ]->deleteHighlights( searchID );
|
|
s->highlightedPages.clear();
|
|
|
|
// set hourglass cursor
|
|
QApplication::setOverrideCursor( Qt::WaitCursor );
|
|
|
|
// 1. ALLDOC - proces all document marking pages
|
|
if ( type == AllDocument )
|
|
{
|
|
// search and highlight 'text' (as a solid phrase) on all pages
|
|
QVector< Page * >::const_iterator it = d->m_pagesVector.begin(), end = d->m_pagesVector.end();
|
|
for ( ; it != end; ++it )
|
|
{
|
|
// get page (from the first to the last)
|
|
Page * page = *it;
|
|
int pageNumber = page->number();
|
|
|
|
// request search page if needed
|
|
if ( !page->hasTextPage() )
|
|
requestTextPage( pageNumber );
|
|
|
|
// loop on a page adding highlights for all found items
|
|
bool addedHighlights = false;
|
|
RegularAreaRect * lastMatch = 0;
|
|
while ( 1 )
|
|
{
|
|
if ( lastMatch )
|
|
{
|
|
RegularAreaRect * lastMatchOld = lastMatch;
|
|
lastMatch = page->findText( searchID, text, NextResult, caseSensitivity, lastMatch );
|
|
delete lastMatchOld;
|
|
}
|
|
else
|
|
lastMatch = page->findText( searchID, text, FromTop, caseSensitivity );
|
|
|
|
if ( !lastMatch )
|
|
break;
|
|
|
|
// add highligh rect to the page
|
|
page->setHighlight( searchID, lastMatch, color );
|
|
addedHighlights = true;
|
|
}
|
|
delete lastMatch;
|
|
|
|
// if added highlights, udpate internals and queue page for notify
|
|
if ( addedHighlights )
|
|
{
|
|
foundAMatch = true;
|
|
s->highlightedPages.append( pageNumber );
|
|
if ( !pagesToNotify.contains( pageNumber ) )
|
|
pagesToNotify.append( pageNumber );
|
|
}
|
|
}
|
|
|
|
// reset cursor to previous shape
|
|
QApplication::restoreOverrideCursor();
|
|
|
|
// send page lists if found anything new
|
|
//if ( foundAMatch ) ?maybe?
|
|
foreachObserver( notifySetup( d->m_pagesVector, false ) );
|
|
}
|
|
// 2. NEXTMATCH - find next matching item (or start from top)
|
|
else if ( type == NextMatch )
|
|
{
|
|
// find out from where to start/resume search from
|
|
int viewportPage = (*d->m_viewportIterator).pageNumber;
|
|
int currentPage = fromStart ? 0 : ((s->continueOnPage != -1) ? s->continueOnPage : viewportPage);
|
|
Page * lastPage = fromStart ? 0 : d->m_pagesVector[ currentPage ];
|
|
|
|
// continue checking last TextPage first (if it is the current page)
|
|
RegularAreaRect * match = 0;
|
|
if ( lastPage && lastPage->number() == s->continueOnPage )
|
|
{
|
|
if ( newText )
|
|
match = lastPage->findText( searchID, text, FromTop, caseSensitivity );
|
|
else
|
|
match = lastPage->findText( searchID, text, NextResult, caseSensitivity, &s->continueOnMatch );
|
|
if ( !match )
|
|
currentPage++;
|
|
}
|
|
|
|
// if no match found, loop through the whole doc, starting from currentPage
|
|
if ( !match )
|
|
{
|
|
const int pageCount = d->m_pagesVector.count();
|
|
for ( int i = 0; i < pageCount; i++ )
|
|
{
|
|
if ( currentPage >= pageCount )
|
|
{
|
|
if ( noDialogs || KMessageBox::questionYesNo(0, i18n("End of document reached.\nContinue from the beginning?"), QString::null, KStandardGuiItem::cont(), KStandardGuiItem::cancel()) == KMessageBox::Yes )
|
|
currentPage = 0;
|
|
else
|
|
break;
|
|
}
|
|
// get page
|
|
Page * page = d->m_pagesVector[ currentPage ];
|
|
// request search page if needed
|
|
if ( !page->hasTextPage() )
|
|
requestTextPage( page->number() );
|
|
// if found a match on the current page, end the loop
|
|
if ( ( match = page->findText( searchID, text, FromTop, caseSensitivity ) ) )
|
|
break;
|
|
currentPage++;
|
|
}
|
|
}
|
|
|
|
// reset cursor to previous shape
|
|
QApplication::restoreOverrideCursor();
|
|
|
|
// if a match has been found..
|
|
if ( match )
|
|
{
|
|
// update the RunningSearch structure adding this match..
|
|
foundAMatch = true;
|
|
s->continueOnPage = currentPage;
|
|
s->continueOnMatch = *match;
|
|
s->highlightedPages.append( currentPage );
|
|
// ..add highlight to the page..
|
|
d->m_pagesVector[ currentPage ]->setHighlight( searchID, match, color );
|
|
|
|
// ..queue page for notifying changes..
|
|
if ( !pagesToNotify.contains( currentPage ) )
|
|
pagesToNotify.append( currentPage );
|
|
|
|
// ..move the viewport to show the first of the searched word sequence centered
|
|
if ( moveViewport )
|
|
{
|
|
DocumentViewport searchViewport( currentPage );
|
|
searchViewport.rePos.enabled = true;
|
|
searchViewport.rePos.normalizedX = (match->first().left + match->first().right) / 2.0;
|
|
searchViewport.rePos.normalizedY = (match->first().top + match->first().bottom) / 2.0;
|
|
setViewport( searchViewport, -1, true );
|
|
}
|
|
delete match;
|
|
}
|
|
else if ( !noDialogs )
|
|
KMessageBox::information( 0, i18n( "No matches found for '%1'.", text ) );
|
|
}
|
|
// 3. PREVMATCH //TODO
|
|
else if ( type == PreviousMatch )
|
|
{
|
|
}
|
|
// 4. GOOGLE* - process all document marking pages
|
|
else if ( type == GoogleAll || type == GoogleAny )
|
|
{
|
|
// search and highlight every word in 'text' on all pages
|
|
bool matchAll = type == GoogleAll;
|
|
QStringList words = text.split( " ", QString::SkipEmptyParts );
|
|
int wordsCount = words.count(),
|
|
hueStep = (wordsCount > 1) ? (60 / (wordsCount - 1)) : 60,
|
|
baseHue, baseSat, baseVal;
|
|
color.getHsv( &baseHue, &baseSat, &baseVal );
|
|
QVector< Page * >::const_iterator it = d->m_pagesVector.begin(), end = d->m_pagesVector.end();
|
|
for ( ; it != end; ++it )
|
|
{
|
|
// get page (from the first to the last)
|
|
Page * page = *it;
|
|
int pageNumber = page->number();
|
|
|
|
// request search page if needed
|
|
if ( !page->hasTextPage() )
|
|
requestTextPage( pageNumber );
|
|
|
|
// loop on a page adding highlights for all found items
|
|
bool allMatched = wordsCount > 0,
|
|
anyMatched = false;
|
|
for ( int w = 0; w < wordsCount; w++ )
|
|
{
|
|
QString word = words[ w ];
|
|
int newHue = baseHue - w * hueStep;
|
|
if ( newHue < 0 )
|
|
newHue += 360;
|
|
QColor wordColor = QColor::fromHsv( newHue, baseSat, baseVal );
|
|
RegularAreaRect * lastMatch = 0;
|
|
// add all highlights for current word
|
|
bool wordMatched = false;
|
|
while ( 1 )
|
|
{
|
|
if ( lastMatch )
|
|
{
|
|
RegularAreaRect * lastMatchOld = lastMatch;
|
|
lastMatch = page->findText( searchID, text, NextResult, caseSensitivity, lastMatch );
|
|
delete lastMatchOld;
|
|
}
|
|
else
|
|
lastMatch = page->findText( searchID, word, FromTop, caseSensitivity);
|
|
|
|
if ( !lastMatch )
|
|
break;
|
|
|
|
// add highligh rect to the page
|
|
page->setHighlight( searchID, lastMatch, wordColor );
|
|
wordMatched = true;
|
|
}
|
|
allMatched = allMatched && wordMatched;
|
|
anyMatched = anyMatched || wordMatched;
|
|
}
|
|
|
|
// if not all words are present in page, remove partial highlights
|
|
if ( !allMatched && matchAll )
|
|
page->deleteHighlights( searchID );
|
|
|
|
// if page contains all words, udpate internals and queue page for notify
|
|
if ( (allMatched && matchAll) || (anyMatched && !matchAll) )
|
|
{
|
|
foundAMatch = true;
|
|
s->highlightedPages.append( pageNumber );
|
|
if ( !pagesToNotify.contains( pageNumber ) )
|
|
pagesToNotify.append( pageNumber );
|
|
}
|
|
}
|
|
|
|
// reset cursor to previous shape
|
|
QApplication::restoreOverrideCursor();
|
|
|
|
// send page lists to update observers (since some filter on bookmarks)
|
|
foreachObserver( notifySetup( d->m_pagesVector, false ) );
|
|
}
|
|
|
|
// notify observers about highlights changes
|
|
QLinkedList< int >::const_iterator nIt = pagesToNotify.begin(), nEnd = pagesToNotify.end();
|
|
for ( ; nIt != nEnd; ++nIt )
|
|
foreachObserver( notifyPageChanged( *nIt, DocumentObserver::Highlights ) );
|
|
|
|
// return if search has found one or more matches
|
|
return foundAMatch;
|
|
}
|
|
|
|
bool Document::continueSearch( int searchID )
|
|
{
|
|
// check if searchID is present in runningSearches
|
|
if ( !d->m_searches.contains( searchID ) )
|
|
return false;
|
|
|
|
// start search with cached parameters from last search by searchID
|
|
RunningSearch * p = d->m_searches[ searchID ];
|
|
return searchText( searchID, p->cachedString, false, p->cachedCaseSensitivity,
|
|
p->cachedType, p->cachedViewportMove, p->cachedColor,
|
|
p->cachedNoDialogs );
|
|
}
|
|
|
|
void Document::resetSearch( int searchID )
|
|
{
|
|
// check if searchID is present in runningSearches
|
|
if ( !d->m_searches.contains( searchID ) )
|
|
return;
|
|
|
|
// get previous parameters for search
|
|
RunningSearch * s = d->m_searches[ searchID ];
|
|
|
|
// unhighlight pages and inform observers about that
|
|
QLinkedList< int >::const_iterator it = s->highlightedPages.begin(), end = s->highlightedPages.end();
|
|
for ( ; it != end; ++it )
|
|
{
|
|
int pageNumber = *it;
|
|
d->m_pagesVector[ pageNumber ]->deleteHighlights( searchID );
|
|
foreachObserver( notifyPageChanged( pageNumber, DocumentObserver::Highlights ) );
|
|
}
|
|
|
|
// send the setup signal too (to update views that filter on matches)
|
|
foreachObserver( notifySetup( d->m_pagesVector, false ) );
|
|
|
|
// remove serch from the runningSearches list and delete it
|
|
d->m_searches.remove( searchID );
|
|
delete s;
|
|
}
|
|
|
|
bool Document::continueLastSearch()
|
|
{
|
|
return continueSearch( d->m_lastSearchID );
|
|
}
|
|
|
|
|
|
void Document::addBookmark( int n )
|
|
{
|
|
if ( n >= 0 && n < (int)d->m_pagesVector.count() )
|
|
{
|
|
if ( d->m_bookmarkManager->setPageBookmark( n ) )
|
|
foreachObserver( notifyPageChanged( n, DocumentObserver::Bookmark ) );
|
|
}
|
|
}
|
|
|
|
void Document::addBookmark( const KUrl& referurl, const Okular::DocumentViewport& vp, const QString& title )
|
|
{
|
|
if ( !vp.isValid() )
|
|
return;
|
|
|
|
if ( d->m_bookmarkManager->addBookmark( referurl, vp, title ) )
|
|
foreachObserver( notifyPageChanged( vp.pageNumber, DocumentObserver::Bookmark ) );
|
|
}
|
|
|
|
bool Document::isBookmarked( int page ) const
|
|
{
|
|
return d->m_bookmarkManager->isPageBookmarked( page );
|
|
}
|
|
|
|
void Document::removeBookmark( int n )
|
|
{
|
|
if ( n >= 0 && n < (int)d->m_pagesVector.count() )
|
|
{
|
|
if ( d->m_bookmarkManager->removePageBookmark( n ) )
|
|
foreachObserver( notifyPageChanged( n, DocumentObserver::Bookmark ) );
|
|
}
|
|
}
|
|
|
|
void Document::removeBookmark( const KUrl& referurl, const KBookmark& bm )
|
|
{
|
|
int changedpage = d->m_bookmarkManager->removeBookmark( referurl, bm );
|
|
if ( changedpage != -1 )
|
|
foreachObserver( notifyPageChanged( changedpage, DocumentObserver::Bookmark ) );
|
|
}
|
|
|
|
const BookmarkManager * Document::bookmarkManager() const
|
|
{
|
|
return d->m_bookmarkManager;
|
|
}
|
|
|
|
void Document::processLink( const Link * link )
|
|
{
|
|
if ( !link )
|
|
return;
|
|
|
|
switch( link->linkType() )
|
|
{
|
|
case Link::Goto: {
|
|
const LinkGoto * go = static_cast< const LinkGoto * >( link );
|
|
d->m_nextDocumentViewport = go->destViewport();
|
|
|
|
// Explanation of why d->m_nextDocumentViewport is needed:
|
|
// all openRelativeFile does is launch a signal telling we
|
|
// want to open another URL, the problem is that when the file is
|
|
// non local, the loading is done assynchronously so you can't
|
|
// do a setViewport after the if as it was because you are doing the setViewport
|
|
// on the old file and when the new arrives there is no setViewport for it and
|
|
// it does not show anything
|
|
|
|
// first open filename if link is pointing outside this document
|
|
if ( go->isExternal() && !d->openRelativeFile( go->fileName() ) )
|
|
{
|
|
kWarning() << "Link: Error opening '" << go->fileName() << "'." << endl;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
// skip local links that point to nowhere (broken ones)
|
|
if (!d->m_nextDocumentViewport.isValid())
|
|
return;
|
|
|
|
setViewport( d->m_nextDocumentViewport, -1, true );
|
|
d->m_nextDocumentViewport = DocumentViewport();
|
|
}
|
|
|
|
} break;
|
|
|
|
case Link::Execute: {
|
|
const LinkExecute * exe = static_cast< const LinkExecute * >( link );
|
|
QString fileName = exe->fileName();
|
|
if ( fileName.endsWith( ".pdf" ) || fileName.endsWith( ".PDF" ) )
|
|
{
|
|
d->openRelativeFile( fileName );
|
|
return;
|
|
}
|
|
|
|
// Albert: the only pdf i have that has that kind of link don't define
|
|
// an application and use the fileName as the file to open
|
|
fileName = d->giveAbsolutePath( fileName );
|
|
KMimeType::Ptr mime = KMimeType::findByPath( fileName );
|
|
// Check executables
|
|
if ( KRun::isExecutableFile( fileName, mime->name() ) )
|
|
{
|
|
// Don't have any pdf that uses this code path, just a guess on how it should work
|
|
if ( !exe->parameters().isEmpty() )
|
|
{
|
|
fileName = d->giveAbsolutePath( exe->parameters() );
|
|
mime = KMimeType::findByPath( fileName );
|
|
if ( KRun::isExecutableFile( fileName, mime->name() ) )
|
|
{
|
|
// this case is a link pointing to an executable with a parameter
|
|
// that also is an executable, possibly a hand-crafted pdf
|
|
KMessageBox::information( 0, i18n("The pdf file is trying to execute an external application and for your safety okular does not allow that.") );
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// this case is a link pointing to an executable with no parameters
|
|
// core developers find unacceptable executing it even after asking the user
|
|
KMessageBox::information( 0, i18n("The pdf file is trying to execute an external application and for your safety okular does not allow that.") );
|
|
return;
|
|
}
|
|
}
|
|
|
|
KService::Ptr ptr = KMimeTypeTrader::self()->preferredService( mime->name(), "Application" );
|
|
if ( ptr )
|
|
{
|
|
KUrl::List lst;
|
|
lst.append( fileName );
|
|
KRun::run( *ptr, lst, 0 );
|
|
}
|
|
else
|
|
KMessageBox::information( 0, i18n( "No application found for opening file of mimetype %1.", mime->name() ) );
|
|
} break;
|
|
|
|
case Link::Action: {
|
|
const LinkAction * action = static_cast< const LinkAction * >( link );
|
|
switch( action->actionType() )
|
|
{
|
|
case LinkAction::PageFirst:
|
|
setViewportPage( 0 );
|
|
break;
|
|
case LinkAction::PagePrev:
|
|
if ( (*d->m_viewportIterator).pageNumber > 0 )
|
|
setViewportPage( (*d->m_viewportIterator).pageNumber - 1 );
|
|
break;
|
|
case LinkAction::PageNext:
|
|
if ( (*d->m_viewportIterator).pageNumber < (int)d->m_pagesVector.count() - 1 )
|
|
setViewportPage( (*d->m_viewportIterator).pageNumber + 1 );
|
|
break;
|
|
case LinkAction::PageLast:
|
|
setViewportPage( d->m_pagesVector.count() - 1 );
|
|
break;
|
|
case LinkAction::HistoryBack:
|
|
setPrevViewport();
|
|
break;
|
|
case LinkAction::HistoryForward:
|
|
setNextViewport();
|
|
break;
|
|
case LinkAction::Quit:
|
|
emit quit();
|
|
break;
|
|
case LinkAction::Presentation:
|
|
emit linkPresentation();
|
|
break;
|
|
case LinkAction::EndPresentation:
|
|
emit linkEndPresentation();
|
|
break;
|
|
case LinkAction::Find:
|
|
emit linkFind();
|
|
break;
|
|
case LinkAction::GoToPage:
|
|
emit linkGoToPage();
|
|
break;
|
|
case LinkAction::Close:
|
|
emit close();
|
|
break;
|
|
}
|
|
} break;
|
|
|
|
case Link::Browse: {
|
|
const LinkBrowse * browse = static_cast< const LinkBrowse * >( link );
|
|
// if the url is a mailto one, invoke mailer
|
|
if ( browse->url().startsWith( "mailto:", Qt::CaseInsensitive ) )
|
|
KToolInvocation::invokeMailer( browse->url() );
|
|
else
|
|
{
|
|
QString url = browse->url();
|
|
|
|
// fix for #100366, documents with relative links that are the form of http:foo.pdf
|
|
if (url.indexOf("http:") == 0 && url.indexOf("http://") == -1 && url.right(4) == ".pdf")
|
|
{
|
|
d->openRelativeFile(url.mid(5));
|
|
return;
|
|
}
|
|
|
|
// Albert: this is not a leak!
|
|
// TODO: find a widget to pass as second parameter
|
|
new KRun( KUrl(url), 0 );
|
|
}
|
|
} break;
|
|
|
|
case Link::Movie:
|
|
//const LinkMovie * browse = static_cast< const LinkMovie * >( link );
|
|
// TODO this (Movie link)
|
|
break;
|
|
case Link::Sound:
|
|
// TODO this (Sound link)
|
|
break;
|
|
}
|
|
}
|
|
|
|
void Document::processSourceReference( const SourceReference * ref )
|
|
{
|
|
if ( !ref )
|
|
return;
|
|
|
|
if ( !QFile::exists( ref->fileName() ) )
|
|
{
|
|
kDebug() << "No such file: '" << ref->fileName() << "'" << endl;
|
|
return;
|
|
}
|
|
|
|
static QHash< int, QString > editors;
|
|
// init the editors table if empty (on first run, usually)
|
|
if ( editors.isEmpty() )
|
|
{
|
|
editors[ Settings::EnumExternalEditor::Kate ] =
|
|
QLatin1String( "kate --use --line %l --column %c" );
|
|
editors[ Settings::EnumExternalEditor::Scite ] =
|
|
QLatin1String( "scite %f \"-goto:%l,%c\"" );
|
|
}
|
|
|
|
QHash< int, QString >::const_iterator it = editors.find( Settings::externalEditor() );
|
|
QString p;
|
|
if ( it != editors.end() )
|
|
p = *it;
|
|
else
|
|
p = Settings::externalEditorCommand();
|
|
// custom editor not yet configured
|
|
if ( p.isEmpty() )
|
|
return;
|
|
|
|
// replacing the placeholders
|
|
p.replace( QLatin1String( "%l" ), QString::number( ref->row() ) );
|
|
p.replace( QLatin1String( "%c" ), QString::number( ref->column() ) );
|
|
if ( p.indexOf( QLatin1String( "%f" ) ) > -1 )
|
|
p.replace( QLatin1String( "%f" ), ref->fileName() );
|
|
else
|
|
p.append( QLatin1String( " " ) + ref->fileName() );
|
|
|
|
// paranoic checks
|
|
if ( p.isEmpty() || p.trimmed() == ref->fileName() )
|
|
return;
|
|
|
|
QProcess::startDetached( p );
|
|
}
|
|
|
|
bool Document::print( KPrinter &printer )
|
|
{
|
|
return d->m_generator ? d->m_generator->print( printer ) : false;
|
|
}
|
|
|
|
KPrintDialogPage* Document::printConfigurationWidget() const
|
|
{
|
|
if ( d->m_generator )
|
|
{
|
|
PrintInterface * iface = qobject_cast< Okular::PrintInterface * >( d->m_generator );
|
|
return iface ? iface->printConfigurationWidget() : 0;
|
|
}
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
void Document::requestDone( PixmapRequest * req )
|
|
{
|
|
#ifndef NDEBUG
|
|
if ( !d->m_generator->canGeneratePixmap( req->asynchronous() ) )
|
|
kDebug() << "requestDone with generator not in READY state." << endl;
|
|
#endif
|
|
|
|
// [MEM] 1.1 find and remove a previous entry for the same page and id
|
|
QLinkedList< AllocatedPixmap * >::iterator aIt = d->m_allocatedPixmapsFifo.begin();
|
|
QLinkedList< AllocatedPixmap * >::iterator aEnd = d->m_allocatedPixmapsFifo.end();
|
|
for ( ; aIt != aEnd; ++aIt )
|
|
if ( (*aIt)->page == req->pageNumber() && (*aIt)->id == req->id() )
|
|
{
|
|
AllocatedPixmap * p = *aIt;
|
|
d->m_allocatedPixmapsFifo.erase( aIt );
|
|
d->m_allocatedPixmapsTotalMemory -= p->memory;
|
|
delete p;
|
|
break;
|
|
}
|
|
|
|
// [MEM] 1.2 append memory allocation descriptor to the FIFO
|
|
int memoryBytes = 4 * req->width() * req->height();
|
|
AllocatedPixmap * memoryPage = new AllocatedPixmap( req->id(), req->pageNumber(), memoryBytes );
|
|
d->m_allocatedPixmapsFifo.append( memoryPage );
|
|
d->m_allocatedPixmapsTotalMemory += memoryBytes;
|
|
|
|
// 2. notify an observer that its pixmap changed
|
|
if ( d->m_observers.contains( req->id() ) )
|
|
d->m_observers[ req->id() ]->notifyPageChanged( req->pageNumber(), DocumentObserver::Pixmap );
|
|
|
|
// 3. delete request
|
|
delete req;
|
|
|
|
// 4. start a new generation if some is pending
|
|
if ( !d->m_pixmapRequestsStack.isEmpty() )
|
|
d->sendGeneratorRequest();
|
|
}
|
|
|
|
void Document::slotRotation( int r )
|
|
{
|
|
Rotation rotation = (Rotation)r;
|
|
// tell the pages to rotate
|
|
QVector< Okular::Page * >::const_iterator pIt = d->m_pagesVector.begin();
|
|
QVector< Okular::Page * >::const_iterator pEnd = d->m_pagesVector.end();
|
|
for ( ; pIt != pEnd; ++pIt )
|
|
(*pIt)->rotateAt( rotation );
|
|
// notify the generator that the current rotation has changed
|
|
d->m_generator->rotationChanged( rotation, d->m_rotation );
|
|
// set the new rotation
|
|
d->m_rotation = rotation;
|
|
|
|
foreachObserver( notifySetup( d->m_pagesVector, true ) );
|
|
foreachObserver( notifyContentsCleared (DocumentObserver::Pixmap | DocumentObserver::Highlights | DocumentObserver::Annotations));
|
|
kDebug() << "Rotated: " << r << endl;
|
|
}
|
|
|
|
void Document::slotPageSizes( int newsize )
|
|
{
|
|
if ( !d->m_generator->hasFeature( Generator::PageSizes ) || newsize < 0 || newsize >= d->m_pageSizes.count() )
|
|
return;
|
|
|
|
const PageSize& ps = d->m_pageSizes.at( newsize );
|
|
// tell the pages to change size
|
|
QVector< Okular::Page * >::const_iterator pIt = d->m_pagesVector.begin();
|
|
QVector< Okular::Page * >::const_iterator pEnd = d->m_pagesVector.end();
|
|
for ( ; pIt != pEnd; ++pIt )
|
|
(*pIt)->changeSize( ps );
|
|
// clear 'memory allocation' descriptors
|
|
QLinkedList< AllocatedPixmap * >::const_iterator aIt = d->m_allocatedPixmapsFifo.begin();
|
|
QLinkedList< AllocatedPixmap * >::const_iterator aEnd = d->m_allocatedPixmapsFifo.end();
|
|
for ( ; aIt != aEnd; ++aIt )
|
|
delete *aIt;
|
|
d->m_allocatedPixmapsFifo.clear();
|
|
d->m_allocatedPixmapsTotalMemory = 0;
|
|
// notify the generator that the current page size has changed
|
|
d->m_generator->pageSizeChanged( ps, d->m_pageSize );
|
|
// set the new page size
|
|
d->m_pageSize = ps;
|
|
|
|
foreachObserver( notifySetup( d->m_pagesVector, true ) );
|
|
foreachObserver( notifyContentsCleared( DocumentObserver::Pixmap | DocumentObserver::Highlights ) );
|
|
kDebug() << "PageSize no: " << newsize << endl;
|
|
}
|
|
|
|
|
|
/** DocumentViewport **/
|
|
|
|
DocumentViewport::DocumentViewport( int n )
|
|
: pageNumber( n )
|
|
{
|
|
// default settings
|
|
rePos.enabled = false;
|
|
rePos.normalizedX = 0.5;
|
|
rePos.normalizedY = 0.0;
|
|
rePos.pos = Center;
|
|
autoFit.enabled = false;
|
|
autoFit.width = false;
|
|
autoFit.height = false;
|
|
}
|
|
|
|
DocumentViewport::DocumentViewport( const QString & xmlDesc )
|
|
: pageNumber( -1 )
|
|
{
|
|
// default settings (maybe overridden below)
|
|
rePos.enabled = false;
|
|
rePos.normalizedX = 0.5;
|
|
rePos.normalizedY = 0.0;
|
|
rePos.pos = Center;
|
|
autoFit.enabled = false;
|
|
autoFit.width = false;
|
|
autoFit.height = false;
|
|
|
|
// check for string presence
|
|
if ( xmlDesc.isEmpty() )
|
|
return;
|
|
|
|
// decode the string
|
|
bool ok;
|
|
int field = 0;
|
|
QString token = xmlDesc.section( ';', field, field );
|
|
while ( !token.isEmpty() )
|
|
{
|
|
// decode the current token
|
|
if ( field == 0 )
|
|
{
|
|
pageNumber = token.toInt( &ok );
|
|
if ( !ok )
|
|
return;
|
|
}
|
|
else if ( token.startsWith( "C1" ) )
|
|
{
|
|
rePos.enabled = true;
|
|
rePos.normalizedX = token.section( ':', 1, 1 ).toDouble();
|
|
rePos.normalizedY = token.section( ':', 2, 2 ).toDouble();
|
|
rePos.pos = Center;
|
|
}
|
|
else if ( token.startsWith( "C2" ) )
|
|
{
|
|
rePos.enabled = true;
|
|
rePos.normalizedX = token.section( ':', 1, 1 ).toDouble();
|
|
rePos.normalizedY = token.section( ':', 2, 2 ).toDouble();
|
|
if (token.section( ':', 3, 3 ).toInt() == 1) rePos.pos = Center;
|
|
else rePos.pos = TopLeft;
|
|
}
|
|
else if ( token.startsWith( "AF1" ) )
|
|
{
|
|
autoFit.enabled = true;
|
|
autoFit.width = token.section( ':', 1, 1 ) == "T";
|
|
autoFit.height = token.section( ':', 2, 2 ) == "T";
|
|
}
|
|
// proceed tokenizing string
|
|
field++;
|
|
token = xmlDesc.section( ';', field, field );
|
|
}
|
|
}
|
|
|
|
QString DocumentViewport::toString() const
|
|
{
|
|
// start string with page number
|
|
QString s = QString::number( pageNumber );
|
|
// if has center coordinates, save them on string
|
|
if ( rePos.enabled )
|
|
s += QString( ";C2:" ) + QString::number( rePos.normalizedX ) +
|
|
':' + QString::number( rePos.normalizedY ) +
|
|
':' + QString::number( rePos.pos );
|
|
// if has autofit enabled, save its state on string
|
|
if ( autoFit.enabled )
|
|
s += QString( ";AF1:" ) + (autoFit.width ? "T" : "F") +
|
|
':' + (autoFit.height ? "T" : "F");
|
|
return s;
|
|
}
|
|
|
|
bool DocumentViewport::isValid() const
|
|
{
|
|
return pageNumber != -1;
|
|
}
|
|
|
|
bool DocumentViewport::operator==( const DocumentViewport & vp ) const
|
|
{
|
|
bool equal = ( pageNumber == vp.pageNumber ) &&
|
|
( rePos.enabled == vp.rePos.enabled ) &&
|
|
( autoFit.enabled == vp.autoFit.enabled );
|
|
if ( !equal )
|
|
return false;
|
|
if ( rePos.enabled &&
|
|
(( rePos.normalizedX != vp.rePos.normalizedX) ||
|
|
( rePos.normalizedY != vp.rePos.normalizedY ) || rePos.pos != vp.rePos.pos) )
|
|
return false;
|
|
if ( autoFit.enabled &&
|
|
(( autoFit.width != vp.autoFit.width ) ||
|
|
( autoFit.height != vp.autoFit.height )) )
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
|
|
/** DocumentInfo **/
|
|
|
|
DocumentInfo::DocumentInfo()
|
|
: QDomDocument( "DocumentInformation" )
|
|
{
|
|
QDomElement docElement = createElement( "DocumentInfo" );
|
|
appendChild( docElement );
|
|
}
|
|
|
|
void DocumentInfo::set( const QString &key, const QString &value,
|
|
const QString &title )
|
|
{
|
|
QDomElement docElement = documentElement();
|
|
QDomElement element;
|
|
|
|
// check whether key already exists
|
|
QDomNodeList list = docElement.elementsByTagName( key );
|
|
if ( list.count() > 0 )
|
|
element = list.item( 0 ).toElement();
|
|
else
|
|
element = createElement( key );
|
|
|
|
element.setAttribute( "value", value );
|
|
element.setAttribute( "title", title );
|
|
|
|
if ( list.count() == 0 )
|
|
docElement.appendChild( element );
|
|
}
|
|
|
|
QString DocumentInfo::get( const QString &key ) const
|
|
{
|
|
QDomElement docElement = documentElement();
|
|
QDomElement element;
|
|
|
|
// check whether key already exists
|
|
QDomNodeList list = docElement.elementsByTagName( key );
|
|
if ( list.count() > 0 )
|
|
return list.item( 0 ).toElement().attribute( "value" );
|
|
else
|
|
return QString();
|
|
}
|
|
|
|
|
|
/** DocumentSynopsis **/
|
|
|
|
DocumentSynopsis::DocumentSynopsis()
|
|
: QDomDocument( "DocumentSynopsis" )
|
|
{
|
|
// void implementation, only subclassed for naming
|
|
}
|
|
|
|
DocumentSynopsis::DocumentSynopsis( const QDomDocument &document )
|
|
: QDomDocument( document )
|
|
{
|
|
}
|
|
|
|
/** DocumentFonts **/
|
|
|
|
DocumentFonts::DocumentFonts()
|
|
: QDomDocument( "DocumentFonts" )
|
|
{
|
|
// void implementation, only subclassed for naming
|
|
}
|
|
|
|
/** EmbeddedFile **/
|
|
|
|
EmbeddedFile::EmbeddedFile()
|
|
{
|
|
}
|
|
|
|
EmbeddedFile::~EmbeddedFile()
|
|
{
|
|
}
|
|
|
|
VisiblePageRect::VisiblePageRect( int page, const NormalizedRect &rectangle )
|
|
: pageNumber( page ), rect( rectangle )
|
|
{
|
|
}
|
|
|
|
#include "document.moc"
|