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use the nice code brad wrote for poppler that allows you to extract embedded files from a pdf document.

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svn path=/branches/work/kde4/playground/graphics/okular/; revision=545966
This commit is contained in:
Albert Astals Cid 2006-05-28 16:54:54 +00:00
parent 91dc3ef06c
commit 13dde4096f
11 changed files with 210 additions and 4 deletions
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1
CMakeLists.txt
View file

@ -61,6 +61,7 @@ kde4_add_ui_files(oKularcore_SRCS
)
set(oKularui_SRCS
${CMAKE_SOURCE_DIR}/okular/ui/embeddedfilesdialog.cpp
${CMAKE_SOURCE_DIR}/okular/ui/minibar.cpp
${CMAKE_SOURCE_DIR}/okular/ui/newstuff.cpp
${CMAKE_SOURCE_DIR}/okular/ui/pagepainter.cpp

15
core/document.cpp
View file

@ -484,6 +484,11 @@ const DocumentFonts * KPDFDocument::documentFonts() const
return generator ? generator->generateDocumentFonts() : NULL;
}
const QList<EmbeddedFile*> *KPDFDocument::embeddedFiles() const
{
return generator ? generator->embeddedFiles() : NULL;
}
const KPDFPage * KPDFDocument::page( int n ) const
{
return ( n < pages_vector.count() ) ? pages_vector[n] : 0;
@ -1790,4 +1795,14 @@ DocumentFonts::DocumentFonts()
// void implementation, only subclassed for naming
}
/** EmbeddedFile **/
EmbeddedFile::EmbeddedFile()
{
}
EmbeddedFile::~EmbeddedFile()
{
}
#include "document.moc"

20
core/document.h
View file

@ -28,6 +28,7 @@ class DocumentViewport;
class DocumentInfo;
class DocumentSynopsis;
class DocumentFonts;
class EmbeddedFile;
class Generator;
class PixmapRequest;
class Annotation;
@ -87,6 +88,7 @@ class OKULAR_EXPORT KPDFDocument : public QObject
const DocumentInfo * documentInfo() const;
const DocumentSynopsis * documentSynopsis() const;
const DocumentFonts * documentFonts() const;
const QList<EmbeddedFile*> *embeddedFiles() const;
const KPDFPage * page( int page ) const;
const DocumentViewport & viewport() const;
uint currentPage() const;
@ -269,4 +271,22 @@ class OKULAR_EXPORT DocumentFonts : public QDomDocument
DocumentFonts();
};
/**
* @short An embedded file into the document, has name, description, dates and the data
*/
class OKULAR_EXPORT EmbeddedFile
{
public:
EmbeddedFile();
virtual ~EmbeddedFile();
virtual QString name() const = 0;
virtual QString description() const = 0;
virtual QByteArray data() const = 0;
virtual QDateTime modificationDate() const = 0;
virtual QDateTime creationDate() const = 0;
};
#endif

1
core/generator.h
View file

@ -70,6 +70,7 @@ class OKULAR_EXPORT Generator : public QObject
virtual const DocumentInfo * generateDocumentInfo() { return 0L; }
virtual const DocumentSynopsis * generateDocumentSynopsis() { return 0L; }
virtual const DocumentFonts * generateDocumentFonts() { return 0L; }
virtual const QList<EmbeddedFile*> * embeddedFiles() { return 0L; }
// DRM handling
virtual bool isAllowed( int /*Document::Permisison(s)*/ ) { return true; }

57
generators/poppler/generator_pdf.cpp
View file

@ -31,8 +31,41 @@
#include <config.h>
#include <config-okular.h>
// id for DATA_READY PDFPixmapGeneratorThread Event
#define TGE_DATAREADY_ID 6969
class PDFEmbeddedFile : public EmbeddedFile
{
public:
PDFEmbeddedFile(Poppler::EmbeddedFile *f) : ef(f)
{
}
QString name() const
{
return ef->name();
}
QString description() const
{
return ef->description();
}
QByteArray data() const
{
return ef->data();
}
QDateTime modificationDate() const
{
return ef->modDate();
}
QDateTime creationDate() const
{
return ef->createDate();
}
private:
Poppler::EmbeddedFile *ef;
};
static void fillViewportFromLinkDestination( DocumentViewport &viewport, const Poppler::LinkDestination &destination, const Poppler::Document *pdfdoc )
{
@ -153,7 +186,7 @@ KPDF_EXPORT_PLUGIN(PDFGenerator)
PDFGenerator::PDFGenerator( KPDFDocument * doc )
: Generator( doc ), pdfdoc( 0 ), ready( true ),
pixmapRequest( 0 ), docInfoDirty( true ), docSynopsisDirty( true ),
docFontsDirty( true )
docFontsDirty( true ), docEmbeddedFilesDirty( true )
{
// generate kpdfOutputDev and cache page color
reparseConfig();
@ -490,6 +523,24 @@ const DocumentFonts * PDFGenerator::generateDocumentFonts()
return &docFonts;
}
const QList<EmbeddedFile*> *PDFGenerator::embeddedFiles()
{
if (docEmbeddedFilesDirty)
{
docLock.lock();
const QList<Poppler::EmbeddedFile*> &popplerFiles = pdfdoc->embeddedFiles();
foreach(Poppler::EmbeddedFile* pef, popplerFiles)
{
docEmbeddedFiles.append(new PDFEmbeddedFile(pef));
}
docLock.unlock();
docEmbeddedFilesDirty = false;
}
return &docEmbeddedFiles;
}
bool PDFGenerator::isAllowed( int permissions )
{
#if !OKULAR_FORCE_DRM

3
generators/poppler/generator_pdf.h
View file

@ -55,6 +55,7 @@ class PDFGenerator : public Generator
const DocumentInfo * generateDocumentInfo();
const DocumentSynopsis * generateDocumentSynopsis();
const DocumentFonts * generateDocumentFonts();
const QList<EmbeddedFile*> * embeddedFiles();
// [INHERITED] document information
bool isAllowed( int permissions );
@ -127,6 +128,8 @@ class PDFGenerator : public Generator
DocumentSynopsis docSyn;
bool docFontsDirty;
DocumentFonts docFonts;
bool docEmbeddedFilesDirty;
QList<EmbeddedFile*> docEmbeddedFiles;
};

14
part.cpp
View file

@ -67,6 +67,7 @@
#include "ui/side_reviews.h"
#include "ui/minibar.h"
#include "ui/newstuff.h"
#include "ui/embeddedfilesdialog.h"
#include "ui/propertiesdialog.h"
#include "ui/presentationwidget.h"
#include "conf/preferencesdialog.h"
@ -273,6 +274,10 @@ Part::Part(QWidget *parentWidget,
m_showProperties = new KAction(KIcon("info"), i18n("&Properties"), ac, "properties");
connect(m_showProperties, SIGNAL(triggered()), this, SLOT(slotShowProperties()));
m_showProperties->setEnabled( false );
m_showEmbeddedFiles = new KAction(i18n("&Embedded Files"), ac, "embeddedFiles");
connect(m_showEmbeddedFiles, SIGNAL(triggered()), this, SLOT(slotShowEmbeddedFiles()));
m_showEmbeddedFiles->setEnabled( false );
m_showPresentation = new KAction( KIcon( "kpresenter_kpr" ), i18n("P&resentation"), ac, "presentation");
connect(m_showPresentation, SIGNAL(triggered()), this, SLOT(slotShowPresentation()));
@ -524,6 +529,7 @@ bool Part::openFile()
m_saveAs->setEnabled( ok );
m_printPreview->setEnabled( ok );
m_showProperties->setEnabled( ok );
m_showEmbeddedFiles->setEnabled( ok && m_document->embeddedFiles() && m_document->embeddedFiles()->count() > 0);
m_showPresentation->setEnabled( ok );
// update viewing actions
@ -584,6 +590,7 @@ bool Part::closeURL()
m_saveAs->setEnabled( false );
m_printPreview->setEnabled( false );
m_showProperties->setEnabled( false );
m_showEmbeddedFiles->setEnabled( false );
m_showPresentation->setEnabled( false );
emit setWindowCaption("");
emit enablePrintAction(false);
@ -997,6 +1004,13 @@ void Part::slotShowProperties()
delete d;
}
void Part::slotShowEmbeddedFiles()
{
EmbeddedFilesDialog *d = new EmbeddedFilesDialog(widget(), m_document);
d->exec();
delete d;
}
void Part::slotShowPresentation()
{
if ( !m_presentationWidget )

4
part.h
View file

@ -112,6 +112,7 @@ protected slots:
void slotPrintPreview();
void slotShowMenu(const KPDFPage *page, const QPoint &point);
void slotShowProperties();
void slotShowEmbeddedFiles();
void slotShowLeftPanel();
void slotShowPresentation();
void slotHidePresentation();
@ -119,7 +120,7 @@ protected slots:
void close();
void cannotQuit();
void setMimeTypes(KIO::Job *job);
void saveSplitterSize();
void saveSplitterSize();
// can be connected to widget elements
void updateViewActions();
void enableTOC(bool enable);
@ -170,6 +171,7 @@ private:
KAction *m_saveAs;
KAction *m_printPreview;
KAction *m_showProperties;
KAction *m_showEmbeddedFiles;
KAction *m_showPresentation;
KToggleAction* m_showMenuBarAction;
KToggleAction* m_showLeftPanel;

1
part.rc
View file

@ -8,6 +8,7 @@
<Action name="file_print" group="file_print"/>
<Action name="file_print_preview" group="file_print"/>
<Action name="properties" group="file_print"/>
<Action name="embeddedFiles" group="file_print"/>
</Menu>
<Menu name="edit"><text>&amp;Edit</text>
<Action name="find"/>

67
ui/embeddedfilesdialog.cpp Normal file
View file

@ -0,0 +1,67 @@
/***************************************************************************
* Copyright (C) 2006 by Albert Astals Cid <aacid@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#include <QDateTime>
#include <QTreeWidget>
#include <kfiledialog.h>
#include <klocale.h>
#include <kmessagebox.h>
#include "core/document.h"
#include "embeddedfilesdialog.h"
EmbeddedFilesDialog::EmbeddedFilesDialog(QWidget *parent, const KPDFDocument *document) : KDialog(parent, i18n("Embedded Files"), Close | User1, 0, i18n("Save"))
{
m_tw = new QTreeWidget(this);
setMainWidget(m_tw);
QStringList header;
header.append(i18n("Name"));
header.append(i18n("Description"));
header.append(i18n("Created"));
header.append(i18n("Modificated"));
m_tw->setHeaderLabels(header);
m_tw->setRootIsDecorated(false);
foreach(EmbeddedFile* ef, *document->embeddedFiles())
{
QTreeWidgetItem *twi = new QTreeWidgetItem();
twi->setText(0, ef->name());
twi->setText(1, ef->description());
twi->setText(2, KGlobal::locale()->formatDateTime( ef->creationDate(), false, true ));
twi->setText(3, KGlobal::locale()->formatDateTime( ef->modificationDate(), false, true ));
m_tw->addTopLevelItem(twi);
m_files.insert(twi, ef);
}
connect(this, SIGNAL(user1Clicked()), this, SLOT(saveFile()));
}
void EmbeddedFilesDialog::saveFile()
{
QList<QTreeWidgetItem *> selected = m_tw->selectedItems();
foreach(QTreeWidgetItem *twi, selected)
{
EmbeddedFile* ef = m_files[twi];
QString path = KFileDialog::getSaveFileName(ef->name(), QString(), this, i18n("Where do you want to save %1?", ef->name()));
if (!path.isEmpty())
{
QFile f(path);
if (!f.exists() || KMessageBox::warningContinueCancel( this, i18n("A file named \"%1\" already exists. Are you sure you want to overwrite it?", path), QString::null, i18n("Overwrite")) == KMessageBox::Continue)
{
f.open(QIODevice::WriteOnly);
f.write(ef->data());
f.close();
}
}
}
}
#include "embeddedfilesdialog.moc"

31
ui/embeddedfilesdialog.h Normal file
View file

@ -0,0 +1,31 @@
/***************************************************************************
* Copyright (C) 2006 by Albert Astals Cid <aacid@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#ifndef _EMBEDDEDFILESDIALOG_H_
#define _EMBEDDEDFILESDIALOG_H_
#include <kdialog.h>
class KPDFDocument;
class EmbeddedFilesDialog : public KDialog
{
Q_OBJECT
public:
EmbeddedFilesDialog(QWidget *parent, const KPDFDocument *document);
private slots:
void saveFile();
private:
QTreeWidget *m_tw;
QHash<QTreeWidgetItem *, EmbeddedFile*> m_files;
};
#endif