messagingapp/msgui/unifiededitor/src/msgunieditorpixmapwidget.cpp
author hgs
Tue, 31 Aug 2010 18:53:38 +0530
changeset 56 f42d9a78f435
parent 37 518b245aa84c
permissions -rw-r--r--
201033_02
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/*
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 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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 * All rights reserved.
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 * This component and the accompanying materials are made available
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 * under the terms of "Eclipse Public License v1.0"
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 * which accompanies this distribution, and is available
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 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
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 *
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 * Initial Contributors:
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 * Nokia Corporation - initial contribution.
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 *
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 * Contributors:
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 *
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 * Description: This widget displays the pixmap content.
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 *
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 */
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#include "msgunieditorpixmapwidget.h"
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// SYSTEM INCLUDES
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#include <HbTapGesture>
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#include <HbWidget>
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#include <HbInstantFeedback>
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#include <HbMenu>
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#include <QPixmap>
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#include <QTimer>
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// USER INCLUDES
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#include "msgunieditorutils.h"
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// LOCAL CONSTANTS
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#define LOC_OPEN    hbTrId("txt_common_menu_open")
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#define LOC_REMOVE  hbTrId("txt_common_menu_remove")
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const QString IMAGE_MIMETYPE("image");
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//---------------------------------------------------------------
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// MsgUnifiedEditorPixmapWidget::MsgUnifiedEditorPixmapWidget
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// @see header file
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//---------------------------------------------------------------
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MsgUnifiedEditorPixmapWidget::MsgUnifiedEditorPixmapWidget(QGraphicsItem *parent) :
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HbIconItem(parent),
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mEditorUtils(0)
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{
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    this->grabGesture(Qt::TapGesture);
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}
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//---------------------------------------------------------------
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// MsgUnifiedEditorPixmapWidget::~MsgUnifiedEditorPixmapWidget
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// @see header file
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//---------------------------------------------------------------
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MsgUnifiedEditorPixmapWidget::~MsgUnifiedEditorPixmapWidget()
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{
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}
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//---------------------------------------------------------------
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// MsgUnifiedEditorPixmapWidget::setPixmap
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// @see header file
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//---------------------------------------------------------------
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void MsgUnifiedEditorPixmapWidget::populate(const QString &pixmapPath)
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{
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    mPixmapPath = pixmapPath;
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    QPixmap pixmap(mPixmapPath);
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    this->setIcon(HbIcon(pixmap));
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}
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//---------------------------------------------------------------
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// MsgUnifiedEditorPixmapWidget::gestureEvent
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// @see header file
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//---------------------------------------------------------------
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void MsgUnifiedEditorPixmapWidget::gestureEvent(QGestureEvent *event)
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{
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    HbTapGesture *tapGesture = qobject_cast<HbTapGesture*> (event->gesture(Qt::TapGesture));
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    if (tapGesture) {
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        switch (tapGesture->state()) {
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        case Qt::GestureStarted:
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        {
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            // Trigger haptic feedback.
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            HbInstantFeedback::play(HbFeedback::Basic);
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            break;
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        }
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        case Qt::GestureUpdated:
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        {
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            if (HbTapGesture::TapAndHold == tapGesture->tapStyleHint()) {
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                // Handle longtap.
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                handleLongTap(tapGesture->scenePosition());
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            }
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            break;
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        }
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        case Qt::GestureFinished:
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        {
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            HbInstantFeedback::play(HbFeedback::Basic);
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            if (HbTapGesture::Tap == tapGesture->tapStyleHint()) {
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                // Handle short tap
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                handleShortTap();
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            }
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            break;
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        }
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        case Qt::GestureCanceled:
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        {
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            HbInstantFeedback::play(HbFeedback::Basic);
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            break;
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        }
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        }
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    }
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    else {
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        HbIconItem::gestureEvent(event);
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    }
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}
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//---------------------------------------------------------------
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// MsgUnifiedEditorPixmapWidget::handleOpen
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// @see header file
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//---------------------------------------------------------------
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void MsgUnifiedEditorPixmapWidget::handleOpen()
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{
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    this->ungrabGesture(Qt::TapGesture);
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    if (!mEditorUtils) {
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        mEditorUtils = new MsgUnifiedEditorUtils(this);
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    }
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    mEditorUtils->launchContentViewer(IMAGE_MIMETYPE, mPixmapPath);
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    //fire timer to regrab gesture after some delay.
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    QTimer::singleShot(300,this,SLOT(regrabGesture()));
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}
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//---------------------------------------------------------------
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// MsgUnifiedEditorPixmapWidget::handleSave
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// @see header file
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//---------------------------------------------------------------
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void MsgUnifiedEditorPixmapWidget::handleRemove()
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{
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    emit remove();
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}
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//----------------------------------------------------------------------------
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// MsgUnifiedEditorPixmapWidget::handleShortTap
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// @see header file
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//----------------------------------------------------------------------------
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void MsgUnifiedEditorPixmapWidget::handleShortTap()
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{
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    emit shortTap(mPixmapPath);
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    // Open the media.
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    handleOpen();
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}
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//---------------------------------------------------------------
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// MsgUnifiedEditorPixmapWidget::handleLongTap
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// @see header file
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//---------------------------------------------------------------
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void MsgUnifiedEditorPixmapWidget::handleLongTap(const QPointF &position)
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{
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    emit longTap(position);
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    HbMenu* menu = new HbMenu;
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    menu->setAttribute(Qt::WA_DeleteOnClose);
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    menu->setDismissPolicy(HbPopup::TapAnywhere);
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    menu->addAction(LOC_OPEN, this, SLOT(handleOpen()));
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    menu->addAction(LOC_REMOVE, this, SLOT(handleRemove()));
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    menu->setPreferredPos(position);
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    menu->show();
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}
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//---------------------------------------------------------------
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// MsgUnifiedEditorPixmapWidget::regrabGesture
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// @see header file
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//---------------------------------------------------------------
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void MsgUnifiedEditorPixmapWidget::regrabGesture()
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{
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    this->grabGesture(Qt::TapGesture);
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}
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// EOF