--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingapp/msgui/unifiedviewer/src/univiewerpixmapwidget.cpp	Tue Aug 31 15:11:31 2010 +0300
@@ -0,0 +1,272 @@
+/*
+ * 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.
+ *
+ */
+
+#include "univiewerpixmapwidget.h"
+
+// SYSTEM INCLUDES
+#include <HbTapGesture>
+#include <HbWidget>
+#include <HbInstantFeedback>
+#include <HbMenu>
+#include <QPixmap>
+#include <QTimer>
+#include <thumbnailmanager_qt.h>
+
+// USER INCLUDES
+#include "univiewerutils.h"
+#include "unidatamodelplugininterface.h"
+
+// LOCAL CONSTANTS
+#define LOC_OPEN    hbTrId("txt_common_menu_open")
+#define LOC_SAVE    hbTrId("txt_common_menu_save")
+
+static const char PIXMAP_ICON[] = "qtg_small_image";
+static const char CORRUPTED_PIXMAP_ICON[] = "qtg_large_corrupted";
+static const char VIDEO_MIMETYPE[] = "video";
+
+static const int WIDTH_RATIO = 4;
+static const int HEIGHT_RATIO = 3;
+
+//---------------------------------------------------------------
+// UniViewerPixmapWidget::UniViewerPixmapWidget
+// @see header file
+//---------------------------------------------------------------
+UniViewerPixmapWidget::UniViewerPixmapWidget(QGraphicsItem *parent) :
+    HbIconItem(parent), mInfo(0), mViewerUtils(0), mThumbnailManager(0)
+{
+    this->grabGesture(Qt::TapGesture);
+    init();
+}
+
+//---------------------------------------------------------------
+// UniViewerPixmapWidget::~UniViewerPixmapWidget
+// @see header file
+//---------------------------------------------------------------
+UniViewerPixmapWidget::~UniViewerPixmapWidget()
+{
+    if (mInfo) {
+        delete mInfo;
+        mInfo = NULL;
+    }
+}
+
+//---------------------------------------------------------------
+// UniViewerPixmapWidget::populate
+// @see header file
+//---------------------------------------------------------------
+void UniViewerPixmapWidget::populate(UniMessageInfo *info)
+{
+    mMimeType = info->mimetype();
+    mPixmapPath = info->path();
+
+    /**
+     * Create a copy of info for video content.
+     * mInfo will be deleted in the destructor.
+     */
+    if (mMimeType.contains(VIDEO_MIMETYPE)) {
+        mInfo = new UniMessageInfo(*info);
+    }
+
+    if (info->isProtected()) {
+        if (mMimeType.contains(VIDEO_MIMETYPE)) {
+            emit thumbnailFound(false, mInfo);
+        }
+        else {
+            this->setIconName(PIXMAP_ICON);
+        }
+    }
+    else if (info->isCorrupted()) {
+        if (mMimeType.contains(VIDEO_MIMETYPE)) {
+            emit thumbnailFound(false, mInfo);
+        }
+        else {
+            this->setIconName(CORRUPTED_PIXMAP_ICON);
+        }
+    }
+    else {
+        if (mMimeType.contains(VIDEO_MIMETYPE)) {
+            mThumbnailManager->getThumbnail(mPixmapPath);
+            this->ungrabGesture(Qt::TapGesture);
+        }
+        else {
+            QPixmap pixmap(mPixmapPath);
+            this->setIcon(HbIcon(pixmap));
+        }
+    }
+}
+
+//---------------------------------------------------------------
+// UniViewerPixmapWidget::gestureEvent
+// @see header file
+//---------------------------------------------------------------
+void UniViewerPixmapWidget::gestureEvent(QGestureEvent *event)
+{
+    HbTapGesture *tapGesture = qobject_cast<HbTapGesture*> (event->gesture(Qt::TapGesture));
+    if (tapGesture) {
+        switch (tapGesture->state()) {
+        case Qt::GestureStarted:
+        {
+            // Trigger haptic feedback.
+            HbInstantFeedback::play(HbFeedback::Basic);
+            break;
+        }
+        case Qt::GestureUpdated:
+        {
+            if (HbTapGesture::TapAndHold == tapGesture->tapStyleHint()) {
+                // Handle longtap.
+                handleLongTap(tapGesture->scenePosition());
+            }
+            break;
+        }
+        case Qt::GestureFinished:
+        {
+            HbInstantFeedback::play(HbFeedback::Basic);
+            if (HbTapGesture::Tap == tapGesture->tapStyleHint()) {
+                // Handle short tap
+                handleShortTap();
+            }
+            break;
+        }
+        case Qt::GestureCanceled:
+        {
+            HbInstantFeedback::play(HbFeedback::Basic);
+            break;
+        }
+        }
+    }
+    else {
+        HbIconItem::gestureEvent(event);
+    }
+}
+
+//---------------------------------------------------------------
+// UniViewerPixmapWidget::handleOpen
+// @see header file
+//---------------------------------------------------------------
+void UniViewerPixmapWidget::handleOpen()
+{
+    this->ungrabGesture(Qt::TapGesture);
+
+    if (!mViewerUtils) {
+        mViewerUtils = new UniViewerUtils(this);
+    }
+    mViewerUtils->launchContentViewer(mMimeType, mPixmapPath);
+
+    //fire timer to regrab gesture after some delay.
+    QTimer::singleShot(300,this,SLOT(regrabGesture()));
+}
+
+//---------------------------------------------------------------
+// UniViewerPixmapWidget::handleSave
+// @see header file
+//---------------------------------------------------------------
+void UniViewerPixmapWidget::handleSave()
+{
+}
+
+//---------------------------------------------------------------
+// UniViewerPixmapWidget::regrabGesture
+// @see header file
+//---------------------------------------------------------------
+void UniViewerPixmapWidget::regrabGesture()
+{
+    this->grabGesture(Qt::TapGesture);
+}
+
+//---------------------------------------------------------------
+// UniViewerPixmapWidget::thumbnailReady
+// @see header
+//---------------------------------------------------------------
+void UniViewerPixmapWidget::thumbnailReady(const QPixmap& pixmap, void *data, int id, int error)
+{
+    Q_UNUSED(data)
+    Q_UNUSED(id)
+    this->grabGesture(Qt::TapGesture);
+    if (error) {
+        emit thumbnailFound(false, mInfo);
+    }
+    else {
+        this->setIcon(HbIcon(pixmap));
+        this->hide();
+        emit thumbnailFound(true, NULL);
+    }
+}
+
+//---------------------------------------------------------------
+// UniViewerPixmapWidget::init
+// @see header file
+//---------------------------------------------------------------
+void UniViewerPixmapWidget::init()
+{
+    mThumbnailManager = new ThumbnailManager(this);
+    mThumbnailManager->setMode(ThumbnailManager::CropToAspectRatio);
+    mThumbnailManager->setQualityPreference(ThumbnailManager::OptimizeForQuality);
+    mThumbnailManager->setThumbnailSize(getThumbnailSize());
+
+    connect(mThumbnailManager, SIGNAL(thumbnailReady(QPixmap, void*, int, int)), this,
+        SLOT(thumbnailReady(QPixmap, void*, int, int)));
+}
+
+//----------------------------------------------------------------------------
+// UniViewerPixmapWidget::handleShortTap
+// @see header file
+//----------------------------------------------------------------------------
+void UniViewerPixmapWidget::handleShortTap()
+{
+    emit shortTap(mPixmapPath);
+
+    // Open the media.
+    handleOpen();
+}
+
+//---------------------------------------------------------------
+// UniViewerPixmapWidget::handleLongTap
+// @see header file
+//---------------------------------------------------------------
+void UniViewerPixmapWidget::handleLongTap(const QPointF &position)
+{
+    emit longTap(position);
+
+    HbMenu* menu = new HbMenu;
+    menu->setAttribute(Qt::WA_DeleteOnClose);
+    menu->addAction(LOC_OPEN, this, SLOT(handleOpen()));
+    menu->addAction(LOC_SAVE, this, SLOT(handleSave()));
+    menu->setPreferredPos(position);
+    menu->show();
+}
+
+//---------------------------------------------------------------
+// UniViewerPixmapWidget::getThumbnailSize
+// @see header file
+//---------------------------------------------------------------
+QSize UniViewerPixmapWidget::getThumbnailSize()
+{
+    QSize thumbnailSize(1, 1);
+    HbWidget *parent = qobject_cast<HbWidget *>(this->parentWidget());
+
+    if (parent) {
+        qreal thumbnailWidth = 0.0;
+        qreal thumbnailHeight = 0.0;
+        parent->style()->parameter("hb-param-screen-short-edge", thumbnailWidth);
+        thumbnailHeight = (thumbnailWidth * HEIGHT_RATIO) / WIDTH_RATIO;
+        thumbnailSize.setHeight(qRound(thumbnailHeight));
+        thumbnailSize.setWidth(qRound(thumbnailWidth));
+    }
+    return thumbnailSize;
+}
+
+// EOF