mirror of
https://invent.kde.org/graphics/okular
synced 2024-09-12 20:51:17 +00:00
Moved the handleCompressed method to part
svn path=/trunk/playground/graphics/okular/; revision=622784
This commit is contained in:
parent
91b7675c14
commit
26f4618ae3
104
part.cpp
104
part.cpp
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@ -53,6 +53,8 @@
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#include <ktogglefullscreenaction.h>
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#include <kio/job.h>
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#include <kicon.h>
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#include <kfilterdev.h>
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// local includes
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#include "part.h"
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#include "ui/pageview.h"
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@ -711,8 +713,24 @@ bool Part::openUrl(const KUrl &url)
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// if it matches then: download it (if not local) extract to a temp file using
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// KTar and proceed with the URL of the temporary file
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const QString path = url.path();
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const KMimeType::Ptr mimetype = KMimeType::findByPath( path );
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bool isCompressedFile = false;
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KUrl tempUrl;
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if (( mimetype->name() == "application/x-gzip" )
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|| ( mimetype->name() == "application/x-bzip2" )
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|| ( mimetype->parentMimeType() == "application/x-gzip" )
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|| ( mimetype->parentMimeType() == "application/x-bzip2" )
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)
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{
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isCompressedFile=handleCompressed(tempUrl,path,mimetype);
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}
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// this calls in sequence the 'closeUrl' and 'openFile' methods
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bool openOk = KParts::ReadOnlyPart::openUrl(url);
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bool openOk;
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if ( !isCompressedFile )
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openOk = KParts::ReadOnlyPart::openUrl(url);
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else openOk = KParts::ReadOnlyPart::openUrl(tempUrl);
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if ( openOk )
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{
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@ -1374,6 +1392,90 @@ void Part::psTransformEnded()
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openFile();
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}
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bool Part::handleCompressed(KUrl & url, const QString &path, const KMimeType::Ptr mimetype)
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{
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// we are working with a compressed file, decompressing
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// temporary file for decompressing
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KTemporaryFile *m_tempfile = new KTemporaryFile;
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if ( !m_tempfile )
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{
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KMessageBox::error( 0,
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i18n("<qt><strong>File Error!</strong> Could not create "
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"temporary file.</qt>"));
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return false;
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}
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m_tempfile->setAutoRemove(true);
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if ( ! m_tempfile->open() )
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{
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KMessageBox::error( 0,
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i18n("<qt><strong>File Error!</strong> Could not create temporary file "
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"<nobr><strong>%1</strong></nobr>.</qt>",
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strerror(m_tempfile->error())));
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delete m_tempfile;
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return false;
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}
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// decompression filer
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QIODevice* filterDev;
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if (( mimetype->parentMimeType() == "application/x-gzip" ) ||
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( mimetype->parentMimeType() == "application/x-bzip2" ))
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filterDev = KFilterDev::deviceForFile(path, mimetype->parentMimeType());
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else
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filterDev = KFilterDev::deviceForFile(path);
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if (!filterDev)
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{
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delete m_tempfile;
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return false;
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}
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if ( !filterDev->open(QIODevice::ReadOnly) )
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{
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KMessageBox::detailedError( 0,
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i18n("<qt><strong>File Error!</strong> Could not open the file "
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"<nobr><strong>%1</strong></nobr> for uncompression. "
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"The file will not be loaded.</qt>", path),
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i18n("<qt>This error typically occurs if you do "
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"not have enough permissions to read the file. "
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"You can check ownership and permissions if you "
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"right-click on the file in the Konqueror "
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"file manager and then choose the 'Properties' menu.</qt>"));
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delete filterDev;
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delete m_tempfile;
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return false;
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}
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QByteArray buf(1024, '\0');
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int read = 0, wrtn = 0;
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while ((read = filterDev->read(buf.data(), buf.size())) > 0)
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{
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wrtn = m_tempfile->write(buf.data(), read);
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if ( read != wrtn )
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break;
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}
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delete filterDev;
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if ((read != 0) || (m_tempfile->size() == 0))
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{
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KMessageBox::detailedError(0,
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i18n("<qt><strong>File Error!</strong> Could not uncompress "
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"the file <nobr><strong>%1</strong></nobr>. "
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"The file will not be loaded.</qt>", path ),
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i18n("<qt>This error typically occurs if the file is corrupt. "
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"If you want to be sure, try to decompress the file manually "
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"using command-line tools.</qt>"));
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delete m_tempfile;
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return false;
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}
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url=m_tempfile->fileName();
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return true;
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}
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/*
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* BrowserExtension class
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*/
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5
part.h
5
part.h
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@ -154,7 +154,8 @@ public slots:
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private:
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void doPrint( KPrinter& printer );
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void fillGenerators();
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bool handleCompressed(KUrl & url, const QString &path, const KMimeType::Ptr mimetype);
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// the document
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Okular::Document * m_document;
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QString m_temporaryLocalFile;
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@ -204,7 +205,7 @@ private:
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QAction *m_showPresentation;
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KToggleAction* m_showMenuBarAction;
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KToggleAction* m_showLeftPanel;
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KToggleFullScreenAction* m_showFullScreenAction;
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KToggleFullScreenAction* m_showFullScreenAction;
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bool m_actionsSearched;
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bool m_searchStarted;
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101
shell/shell.cpp
101
shell/shell.cpp
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@ -39,9 +39,7 @@
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#include <kservicetypetrader.h>
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#include <ktoggleaction.h>
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#include <ktogglefullscreenaction.h>
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#include <ktemporaryfile.h>
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#include <kfilterbase.h>
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#include <kfilterdev.h>
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#include <kactioncollection.h>
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// local includes
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#include "shell.h"
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@ -62,7 +60,6 @@ void Shell::init()
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setXMLFile("shell.rc");
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m_doc=0L;
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m_fileformats=0L;
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m_tempfile=0L;
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// this routine will find and load our Part. it finds the Part by
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// name which is a bad idea usually.. but it's alright in this
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// case since our Part is made for this Shell
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@ -124,7 +121,6 @@ Shell::~Shell()
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{
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if ( m_part ) writeSettings();
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if ( m_fileformats ) delete m_fileformats;
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if ( m_tempfile ) delete m_tempfile;
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delete m_part;
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}
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@ -264,89 +260,6 @@ QStringList* Shell::fileFormats()
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}
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bool Shell::handleCompressed(KUrl & url, const QString &path, const KMimeType::Ptr mimetype)
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{
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// we are working with a compressed file, decompressing
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// temporary file for decompressing
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m_tempfile = new KTemporaryFile;
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if ( !m_tempfile )
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{
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KMessageBox::error(this,
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i18n("<qt><strong>File Error!</strong> Could not create "
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"temporary file.</qt>"));
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return false;
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}
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m_tempfile->setAutoRemove(true);
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// something failed while creating the tempfile
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if ( ! m_tempfile->open() )
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{
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KMessageBox::error( this,
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i18n("<qt><strong>File Error!</strong> Could not create temporary file "
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"<nobr><strong>%1</strong></nobr>.</qt>",
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strerror(m_tempfile->error())));
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delete m_tempfile;
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return false;
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}
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// decompression filer
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QIODevice* filterDev;
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if (( mimetype->parentMimeType() == "application/x-gzip" ) ||
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( mimetype->parentMimeType() == "application/x-bzip2" ))
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filterDev = KFilterDev::deviceForFile(path, mimetype->parentMimeType());
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else
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filterDev = KFilterDev::deviceForFile(path);
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if (!filterDev)
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{
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delete m_tempfile;
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return false;
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}
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if ( !filterDev->open(QIODevice::ReadOnly) )
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{
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KMessageBox::detailedError( this,
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i18n("<qt><strong>File Error!</strong> Could not open the file "
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"<nobr><strong>%1</strong></nobr> for uncompression. "
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"The file will not be loaded.</qt>", path),
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i18n("<qt>This error typically occurs if you do "
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"not have enough permissions to read the file. "
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"You can check ownership and permissions if you "
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"right-click on the file in the Konqueror "
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"file manager and then choose the 'Properties' menu.</qt>"));
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delete filterDev;
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delete m_tempfile;
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return false;
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}
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QByteArray buf(1024, '\0');
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int read = 0, wrtn = 0;
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while ((read = filterDev->read(buf.data(), buf.size())) > 0)
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{
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wrtn = m_tempfile->write(buf.data(), read);
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if ( read != wrtn )
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break;
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}
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delete filterDev;
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if ((read != 0) || (m_tempfile->size() == 0))
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{
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KMessageBox::detailedError(this,
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i18n("<qt><strong>File Error!</strong> Could not uncompress "
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"the file <nobr><strong>%1</strong></nobr>. "
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"The file will not be loaded.</qt>", path ),
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i18n("<qt>This error typically occurs if the file is corrupt. "
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"If you want to be sure, try to decompress the file manually "
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"using command-line tools.</qt>"));
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delete m_tempfile;
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return false;
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}
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url=m_tempfile->fileName();
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return true;
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}
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void Shell::fileOpen()
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{
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@ -363,19 +276,7 @@ void Shell::fileOpen()
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startDir = m_openUrl.path();
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KUrl url = KFileDialog::getOpenUrl( startDir, m_fileformats->join("\n") );//getOpenFileName();
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bool reallyOpen=!url.isEmpty();
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if (reallyOpen)
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{
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QString path = url.path();
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KMimeType::Ptr mimetype = KMimeType::findByPath( path );
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if (( mimetype->name() == "application/x-gzip" )
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|| ( mimetype->name() == "application/x-bzip2" )
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|| ( mimetype->parentMimeType() == "application/x-gzip" )
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|| ( mimetype->parentMimeType() == "application/x-bzip2" )
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)
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{
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reallyOpen=handleCompressed(url,path,mimetype);
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}
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}
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if (reallyOpen)
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openUrl(url);
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}
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@ -25,7 +25,6 @@
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class KCmdLineArgs;
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class KRecentFilesAction;
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class KTemporaryFile;
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class KToggleAction;
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class KDocumentViewer;
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@ -92,14 +91,12 @@ private:
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void setupAccel();
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void setupActions();
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void init();
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bool handleCompressed(KUrl & url, const QString &path, const KMimeType::Ptr mimetype);
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QStringList* fileFormats();
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private:
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KCmdLineArgs* m_args;
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KParts::ReadOnlyPart* m_part;
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KDocumentViewer* m_doc;
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KTemporaryFile* m_tempfile;
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KRecentFilesAction* m_recent;
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QStringList* m_fileformats;
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KAction* m_printAction;
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