author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 00:13:15 +0300 | |
changeset 72 | 6f657153cbc5 |
parent 70 | a15d9966050f |
permissions | -rw-r--r-- |
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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 in viewer. |
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* |
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*/ |
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|
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#include "univiewerpixmapwidget.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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#include <thumbnailmanager_qt.h> |
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|
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// USER INCLUDES |
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#include "univiewerutils.h" |
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#include "unidatamodelplugininterface.h" |
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|
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// LOCAL CONSTANTS |
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#define LOC_OPEN hbTrId("txt_common_menu_open") |
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static const char PIXMAP_ICON[] = "qtg_small_image"; |
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static const char CORRUPTED_PIXMAP_ICON[] = "qtg_large_corrupted"; |
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static const char VIDEO_MIMETYPE[] = "video"; |
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|
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static const int WIDTH_RATIO = 4; |
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static const int HEIGHT_RATIO = 3; |
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//--------------------------------------------------------------- |
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// UniViewerPixmapWidget::UniViewerPixmapWidget |
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// @see header file |
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//--------------------------------------------------------------- |
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UniViewerPixmapWidget::UniViewerPixmapWidget(QGraphicsItem *parent) : |
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HbIconItem(parent), mInfo(0), mViewerUtils(0), mThumbnailManager(0) |
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{ |
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this->grabGesture(Qt::TapGesture); |
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init(); |
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} |
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|
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//--------------------------------------------------------------- |
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// UniViewerPixmapWidget::~UniViewerPixmapWidget |
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// @see header file |
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//--------------------------------------------------------------- |
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UniViewerPixmapWidget::~UniViewerPixmapWidget() |
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{ |
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if (mInfo) { |
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delete mInfo; |
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mInfo = NULL; |
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} |
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} |
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//--------------------------------------------------------------- |
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// UniViewerPixmapWidget::populate |
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// @see header file |
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//--------------------------------------------------------------- |
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void UniViewerPixmapWidget::populate(UniMessageInfo *info) |
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{ |
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mMimeType = info->mimetype(); |
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mPixmapPath = info->path(); |
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/** |
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* Create a copy of info for video content. |
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* mInfo will be deleted in the destructor. |
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*/ |
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if (mMimeType.contains(VIDEO_MIMETYPE)) { |
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mInfo = new UniMessageInfo(*info); |
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} |
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if (info->isProtected()) { |
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if (mMimeType.contains(VIDEO_MIMETYPE)) { |
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emit thumbnailFound(false, mInfo); |
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} |
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else { |
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this->setIconName(PIXMAP_ICON); |
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} |
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} |
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else if (info->isCorrupted()) { |
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if (mMimeType.contains(VIDEO_MIMETYPE)) { |
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emit thumbnailFound(false, mInfo); |
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} |
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else { |
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this->setIconName(CORRUPTED_PIXMAP_ICON); |
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} |
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} |
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else { |
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if (mMimeType.contains(VIDEO_MIMETYPE)) { |
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mThumbnailManager->getThumbnail(mPixmapPath); |
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103 |
this->ungrabGesture(Qt::TapGesture); |
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104 |
} |
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|
105 |
else { |
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106 |
QPixmap pixmap(mPixmapPath); |
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this->setIcon(HbIcon(pixmap)); |
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108 |
} |
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|
109 |
} |
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110 |
} |
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|
111 |
|
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//--------------------------------------------------------------- |
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// UniViewerPixmapWidget::gestureEvent |
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// @see header file |
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//--------------------------------------------------------------- |
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void UniViewerPixmapWidget::gestureEvent(QGestureEvent *event) |
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117 |
{ |
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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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122 |
{ |
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// Trigger haptic feedback. |
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HbInstantFeedback::play(HbFeedback::Basic); |
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125 |
break; |
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126 |
} |
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case Qt::GestureUpdated: |
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128 |
{ |
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if (HbTapGesture::TapAndHold == tapGesture->tapStyleHint()) { |
34
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130 |
// Handle longtap. |
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handleLongTap(tapGesture->scenePosition()); |
27
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132 |
} |
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|
133 |
break; |
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|
134 |
} |
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|
135 |
case Qt::GestureFinished: |
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|
136 |
{ |
34
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HbInstantFeedback::play(HbFeedback::Basic); |
27
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|
138 |
if (HbTapGesture::Tap == tapGesture->tapStyleHint()) { |
34
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|
139 |
// Handle short tap |
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140 |
handleShortTap(); |
27
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|
141 |
} |
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|
142 |
break; |
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|
143 |
} |
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|
144 |
case Qt::GestureCanceled: |
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|
145 |
{ |
34
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|
146 |
HbInstantFeedback::play(HbFeedback::Basic); |
27
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147 |
break; |
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|
148 |
} |
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|
149 |
} |
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|
150 |
} |
34
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|
151 |
else { |
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152 |
HbIconItem::gestureEvent(event); |
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|
153 |
} |
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|
154 |
} |
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|
155 |
|
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|
156 |
//--------------------------------------------------------------- |
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|
157 |
// UniViewerPixmapWidget::handleOpen |
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|
158 |
// @see header file |
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|
159 |
//--------------------------------------------------------------- |
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160 |
void UniViewerPixmapWidget::handleOpen() |
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|
161 |
{ |
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|
162 |
this->ungrabGesture(Qt::TapGesture); |
43
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|
163 |
|
34
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|
164 |
if (!mViewerUtils) { |
84197e66a4bd
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|
165 |
mViewerUtils = new UniViewerUtils(this); |
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|
166 |
} |
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|
167 |
mViewerUtils->launchContentViewer(mMimeType, mPixmapPath); |
43
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|
168 |
|
34
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|
169 |
//fire timer to regrab gesture after some delay. |
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|
170 |
QTimer::singleShot(300,this,SLOT(regrabGesture())); |
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|
171 |
} |
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|
172 |
|
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|
173 |
//--------------------------------------------------------------- |
52
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|
174 |
// UniViewerPixmapWidget::regrabGesture |
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|
175 |
// @see header file |
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|
176 |
//--------------------------------------------------------------- |
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|
177 |
void UniViewerPixmapWidget::regrabGesture() |
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|
178 |
{ |
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|
179 |
this->grabGesture(Qt::TapGesture); |
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|
180 |
} |
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|
181 |
|
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|
182 |
//--------------------------------------------------------------- |
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|
183 |
// UniViewerPixmapWidget::thumbnailReady |
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|
184 |
// @see header |
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|
185 |
//--------------------------------------------------------------- |
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|
186 |
void UniViewerPixmapWidget::thumbnailReady(const QPixmap& pixmap, void *data, int id, int error) |
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|
187 |
{ |
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|
188 |
Q_UNUSED(data) |
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189 |
Q_UNUSED(id) |
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|
190 |
this->grabGesture(Qt::TapGesture); |
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|
191 |
if (error) { |
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|
192 |
emit thumbnailFound(false, mInfo); |
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|
193 |
} |
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|
194 |
else { |
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|
195 |
this->setIcon(HbIcon(pixmap)); |
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|
196 |
this->hide(); |
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|
197 |
emit thumbnailFound(true, NULL); |
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|
198 |
} |
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|
199 |
} |
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|
200 |
|
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|
201 |
//--------------------------------------------------------------- |
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|
202 |
// UniViewerPixmapWidget::init |
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|
203 |
// @see header file |
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|
204 |
//--------------------------------------------------------------- |
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|
205 |
void UniViewerPixmapWidget::init() |
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|
206 |
{ |
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mThumbnailManager = new ThumbnailManager(this); |
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mThumbnailManager->setMode(ThumbnailManager::CropToAspectRatio); |
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mThumbnailManager->setQualityPreference(ThumbnailManager::OptimizeForQuality); |
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mThumbnailManager->setThumbnailSize(getThumbnailSize()); |
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connect(mThumbnailManager, SIGNAL(thumbnailReady(QPixmap, void*, int, int)), this, |
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SLOT(thumbnailReady(QPixmap, void*, int, int))); |
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} |
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|
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//---------------------------------------------------------------------------- |
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// UniViewerPixmapWidget::handleShortTap |
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// @see header file |
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//---------------------------------------------------------------------------- |
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void UniViewerPixmapWidget::handleShortTap() |
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{ |
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emit shortTap(mPixmapPath); |
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|
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// Open the media. |
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handleOpen(); |
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} |
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|
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//--------------------------------------------------------------- |
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// UniViewerPixmapWidget::handleLongTap |
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// @see header file |
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//--------------------------------------------------------------- |
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void UniViewerPixmapWidget::handleLongTap(const QPointF &position) |
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{ |
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emit longTap(position); |
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|
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HbMenu* menu = new HbMenu; |
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menu->setAttribute(Qt::WA_DeleteOnClose); |
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menu->addAction(LOC_OPEN, this, SLOT(handleOpen())); |
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|
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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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//--------------------------------------------------------------- |
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// UniViewerPixmapWidget::getThumbnailSize |
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// @see header file |
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//--------------------------------------------------------------- |
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QSize UniViewerPixmapWidget::getThumbnailSize() |
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{ |
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QSize thumbnailSize(1, 1); |
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HbWidget *parent = qobject_cast<HbWidget *>(this->parentWidget()); |
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|
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if (parent) { |
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qreal thumbnailWidth = 0.0; |
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qreal thumbnailHeight = 0.0; |
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parent->style()->parameter("hb-param-screen-short-edge", thumbnailWidth); |
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thumbnailHeight = (thumbnailWidth * HEIGHT_RATIO) / WIDTH_RATIO; |
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thumbnailSize.setHeight(qRound(thumbnailHeight)); |
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thumbnailSize.setWidth(qRound(thumbnailWidth)); |
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} |
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return thumbnailSize; |
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} |
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|
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// EOF |