messagingapp/msgui/unifiedviewer/inc/univiewerpixmapwidget.h
branchRCL_3
changeset 57 ebe688cedc25
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingapp/msgui/unifiedviewer/inc/univiewerpixmapwidget.h	Tue Aug 31 15:11:31 2010 +0300
@@ -0,0 +1,163 @@
+/*
+ * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description: This widget displays the pixmap content in viewer.
+ *
+ */
+
+#ifndef UNI_VIEWER_PIXMAP_WIDGET_H
+#define UNI_VIEWER_PIXMAP_WIDGET_H
+
+#include <HbIconItem>
+
+// FORWARD DECLARATIONS
+class UniViewerUtils;
+class UniMessageInfo;
+class ThumbnailManager;
+
+/**
+ * This widget displays the pixmap content in viewer.
+ */
+class UniViewerPixmapWidget: public HbIconItem
+{
+Q_OBJECT
+
+public:
+
+    /**
+     * Constructor
+     */
+    UniViewerPixmapWidget(QGraphicsItem *parent = 0);
+
+    /**
+     * Destructor
+     */
+    ~UniViewerPixmapWidget();
+
+    /**
+     * Sets the pixmap content to be displayed.
+     * @param info Object information.
+     */
+    void populate(UniMessageInfo *info);
+
+signals:
+
+    /**
+     * Signal emitted when widget is clicked.
+     * @param mediaPath File path of the media.
+     */
+    void shortTap(const QString &mediaPath);
+
+    /**
+     * Signal emitted when widget is long tapped.
+     * @param position Scene coordinates of tap.
+     */
+    void longTap(const QPointF &position);
+
+    /**
+     * Signal emitted indicating if thumbnail was found or not
+     * @param result true if thumbnail was found else false.
+     * @param info UniMessageInfo of the media object.
+     */
+    void thumbnailFound(bool result, UniMessageInfo *info);
+
+protected:
+
+    /**
+     * Event handler for gesture events.
+     * Reimplemented from HbWidgetBase.
+     * @see HbWidgetBase
+     */
+    virtual void gestureEvent(QGestureEvent *event);
+
+private slots:
+
+    /**
+     * Handles opening of media.
+     */
+    void handleOpen();
+
+    /**
+     * Handles saving of media.
+     */
+    void handleSave();
+
+    /**
+     * Slot to regrab gesture after some delay (300 ms) to avoid multiple gesture
+     * events back to back.  
+     */
+    void regrabGesture();
+
+    /**
+     * Slot hit when the thumbnail is ready.
+     */
+    void thumbnailReady(const QPixmap& pixmap, void *data, int id, int error);
+
+private:
+
+    /**
+     * Initialization function.
+     */
+    void init();
+
+    /**
+     * Handles short tap event.
+     */
+    void handleShortTap();
+
+    /**
+     * Handles long tap event.
+     * @param position Scene coordinates of tap.
+     */
+    void handleLongTap(const QPointF &position);
+
+    /**
+     * Calculates the thumbnail size.
+     * @return Thumbnail size
+     */
+    QSize getThumbnailSize();
+
+private:
+
+    /**
+     * UniMessageInfo object.
+     * Own.
+     */
+    UniMessageInfo *mInfo;
+
+    /**
+     * UniViewerUtils object.
+     * Own
+     */
+    UniViewerUtils *mViewerUtils;
+
+    /**
+     * ThumbnailManager
+     * Own.
+     */
+    ThumbnailManager *mThumbnailManager;
+
+    /**
+     * Mime Type of pixmap.
+     */
+    QString mMimeType;
+
+    /**
+     * Pixmap file path being set.
+     */
+    QString mPixmapPath;
+};
+
+#endif /* UNI_VIEWER_PIXMAP_WIDGET_H */
+
+// EOF