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+/*
+Copyright 2004 Jonathan Riddell <[email protected]>
+
+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.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Steet, Fifth Floor, Boston, MA 02111-1307, USA.
+
+*/
+#ifndef __gvimagepart_h__
+#define __gvimagepart_h__
+
+#include <kparts/part.h>
+#include <kparts/browserextension.h>
+#include <ktempfile.h>
+
+// Forward declarations
+class QFile;
+class QPoint;
+
+class KAboutData;
+class KAction;
+class KDirLister;
+class KFileItem;
+
+namespace Gwenview {
+class ImageView;
+class Document;
+class ImageLoader;
+
+class GVImagePart;
+
+/**
+ * The browser extension is an attribute of GVImagePart and provides
+ * some services to Konqueror. All Konqueror KParts have one.
+ */
+class GVImagePartBrowserExtension: public KParts::BrowserExtension {
+ Q_OBJECT
+
+public:
+ GVImagePartBrowserExtension(GVImagePart* viewPart, const char* name=0L);
+ ~GVImagePartBrowserExtension();
+
+public slots:
+ void print();
+
+private:
+ GVImagePart* mGVImagePart;
+
+};
+
+/**
+ * A Read Only KPart to view images using Gwenview
+ */
+class GVImagePart : public KParts::ReadOnlyPart {
+ Q_OBJECT
+public:
+ GVImagePart(QWidget*, const char*, QObject*, const char*, const QStringList &);
+ virtual ~GVImagePart();
+
+ /**
+ * Return information about the part
+ */
+ static KAboutData* createAboutData();
+
+ /**
+ * Returns m_file
+ */
+ QString filePath();
+
+ /**
+ * Print the image being viewed
+ */
+ void print();
+
+public slots:
+ virtual bool openURL(const KURL& url);
+
+protected slots:
+ virtual bool openFile() { return false; }
+
+ /**
+ * Rotates the current image 90 degrees counter clockwise
+ */
+ void rotateLeft();
+
+ /**
+ * Rotates the current image 90 degrees clockwise
+ */
+ void rotateRight();
+
+protected:
+ virtual void partActivateEvent(KParts::PartActivateEvent* event);
+ virtual void guiActivateEvent( KParts::GUIActivateEvent* event);
+
+private slots:
+
+ void dirListerClear();
+
+ void dirListerNewItems( const KFileItemList& );
+
+ void dirListerDeleteItem(KFileItem*);
+
+ void slotSelectNext();
+ void slotSelectPrevious();
+
+ void prefetchDone();
+
+ void slotLoading();
+ void slotLoaded(const KURL& url);
+
+ void openContextMenu(const QPoint&);
+
+ void saveAs();
+
+ void showJobError(KIO::Job* job);
+
+private:
+
+ void updateNextPrevious();
+ KURL nextURL() const;
+ KURL previousURL() const;
+ void saveOriginalAs();
+
+ /**
+ * The component's widget
+ */
+ ImageView* mImageView;
+
+ /**
+ * Holds the image
+ */
+ Document* mDocument;
+
+ /**
+ * This inherits from KParts::BrowserExtention and supplies
+ * some extra functionality to Konqueror.
+ */
+ GVImagePartBrowserExtension* mBrowserExtension;
+
+ // for the next/previous actions
+ KDirLister* mDirLister;
+
+ KAction* mNextImage;
+ KAction* mPreviousImage;
+ // alphabetically sorted filenames of images in the picture's directory
+ QStringList mImagesInDirectory;
+
+ ImageLoader* mPrefetch;
+ enum LastDirection { DirectionUnknown, DirectionNext, DirectionPrevious };
+ LastDirection mLastDirection; // used for prefetching
+};
+
+
+/**
+ * This simple helper class uploads data to a remote URL asynchronously
+ */
+class DataUploader : public QObject {
+ Q_OBJECT
+public:
+ DataUploader(QWidget* dialogParent, const QByteArray& data, const KURL& destURL);
+
+private slots:
+ void slotJobFinished(KIO::Job*);
+
+private:
+ KTempFile mTempFile;
+ QWidget* mDialogParent;
+};
+
+} // namespace
+#endif