emailuis/nmailui/src/nmuieffects.cpp
changeset 23 2dc6caa42ec3
child 30 759dc5235cdb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/nmailui/src/nmuieffects.cpp	Fri May 14 15:41:10 2010 +0300
@@ -0,0 +1,141 @@
+/*
+* 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: Graphical effects/animations for nmail ui.
+*
+*/
+
+#include "nmuiheaders.h"
+
+static const char *SendAnimation = ":/effects/mail_send.fxml";
+
+/*!
+    \class NmEffects
+    \brief This class is for launching the effects
+*/
+
+/*!
+    Constructor
+*/
+NmUiEffects::NmUiEffects(HbMainWindow &mainWindow) :
+    mMainWindow(mainWindow),
+    mSendAnimationScreenShot(NULL),
+    mDoSendAnimation(false)
+{
+}
+
+/*!
+    Destructor
+*/
+NmUiEffects::~NmUiEffects()
+{
+    // Clean send animation if sendAnimationComplete slot is not called for some reason.
+    // E.g. red key pressed.
+    resetSendAnimation();
+}
+
+/*!
+    Function will perform needed initializations for selected effect.
+*/
+void NmUiEffects::prepareEffect(NmUiEffectType effect)
+{
+    switch (effect) {
+    case NmEditorSendMessageAnimation:
+        // delete any existing stuff
+        resetSendAnimation();
+        
+        // This effect is for editor send message. Get the screen capture of
+        // editor view for animation which will be lauched soon.
+        mDoSendAnimation = true;
+
+        // take screen shot
+        mSendAnimationScreenShot = screenShot();
+        
+        // Create graphics item based pixmap image but don't show it yet.
+        mSendAnimationScreenShot->hide();
+        mSendAnimationScreenShot->setPos(0,0);
+        mSendAnimationScreenShot->setZValue(0);
+        mMainWindow.scene()->addItem(mSendAnimationScreenShot);
+
+        // Set editor screen capture visible before old view is popped.
+        // New view is drawn under this image.
+        mSendAnimationScreenShot->show();
+
+        HbEffect::add(mSendAnimationScreenShot, SendAnimation, "mail_send");
+        break;
+    }
+}
+
+/*!
+    Function will start the selected effect.
+*/
+void NmUiEffects::startEffect(NmUiEffectType effect)
+{
+    switch (effect) {
+    case NmEditorSendMessageAnimation:
+        // Send message animation for editor view.
+        if (mDoSendAnimation && mSendAnimationScreenShot) {
+            mDoSendAnimation = false;
+            // Start animation and connect completion signal to sendAnimationComplete slot.
+            HbEffect::start(mSendAnimationScreenShot, "mail_send", this, "sendAnimationComplete");
+        }
+        break;
+    }
+}
+
+/*!
+   Generates a screenshot of the current screen. Picture is rotated
+   according to the main window orientation.
+ */
+QGraphicsPixmapItem *NmUiEffects::screenShot()
+{
+    // Grab whole view into pixmap image (also chrome is included)
+    QPixmap screenCapture = QPixmap::grabWindow(mMainWindow.internalWinId());
+
+    QGraphicsPixmapItem *ret = NULL;
+    
+    // for landscape, the screenshot must be rotated
+    if(mMainWindow.orientation() == Qt::Horizontal) {
+        QMatrix mat;
+        mat.rotate(-90); // rotate 90 degrees counter-clockwise
+        ret = new QGraphicsPixmapItem(screenCapture.transformed(mat));
+    }
+    else {
+        ret = new QGraphicsPixmapItem(screenCapture);
+    }
+    
+    return ret;    
+}
+
+/*!
+   Clean up for send animation
+ */
+void NmUiEffects::resetSendAnimation()
+{
+    if (mSendAnimationScreenShot) {
+        // Clean send animation
+        HbEffect::remove(mSendAnimationScreenShot, SendAnimation, "mail_send");
+        delete mSendAnimationScreenShot;
+        mSendAnimationScreenShot = NULL;
+        mDoSendAnimation = false;
+    }
+}
+
+/*!
+    Slot is called when send message animation for editor view has been completed.
+*/
+void NmUiEffects::sendAnimationComplete(HbEffect::EffectStatus status)
+{
+    Q_UNUSED(status);
+    resetSendAnimation();
+}