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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: This widget displays the pixmap content in viewer. |
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15 * |
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16 */ |
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17 |
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18 #include "univiewerpixmapwidget.h" |
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19 |
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20 // SYSTEM INCLUDES |
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21 #include <HbTapGesture> |
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22 #include <HbWidget> |
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23 #include <HbInstantFeedback> |
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24 #include <HbMenu> |
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25 #include <QPixmap> |
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26 #include <QTimer> |
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27 #include <thumbnailmanager_qt.h> |
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28 |
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29 // USER INCLUDES |
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30 #include "univiewerutils.h" |
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31 #include "unidatamodelplugininterface.h" |
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32 |
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33 // LOCAL CONSTANTS |
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34 #define LOC_OPEN hbTrId("txt_common_menu_open") |
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35 #define LOC_SAVE hbTrId("txt_common_menu_save") |
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36 |
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37 static const char PIXMAP_ICON[] = "qtg_small_image"; |
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38 static const char CORRUPTED_PIXMAP_ICON[] = "qtg_large_corrupted"; |
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39 static const char VIDEO_MIMETYPE[] = "video"; |
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40 |
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41 static const int WIDTH_RATIO = 4; |
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42 static const int HEIGHT_RATIO = 3; |
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43 |
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44 //--------------------------------------------------------------- |
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45 // UniViewerPixmapWidget::UniViewerPixmapWidget |
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46 // @see header file |
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47 //--------------------------------------------------------------- |
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48 UniViewerPixmapWidget::UniViewerPixmapWidget(QGraphicsItem *parent) : |
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49 HbIconItem(parent), mInfo(0), mViewerUtils(0), mThumbnailManager(0) |
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50 { |
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51 this->grabGesture(Qt::TapGesture); |
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52 init(); |
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53 } |
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54 |
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55 //--------------------------------------------------------------- |
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56 // UniViewerPixmapWidget::~UniViewerPixmapWidget |
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57 // @see header file |
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58 //--------------------------------------------------------------- |
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59 UniViewerPixmapWidget::~UniViewerPixmapWidget() |
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60 { |
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61 if (mInfo) { |
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62 delete mInfo; |
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63 mInfo = NULL; |
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64 } |
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65 } |
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66 |
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67 //--------------------------------------------------------------- |
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68 // UniViewerPixmapWidget::populate |
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69 // @see header file |
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70 //--------------------------------------------------------------- |
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71 void UniViewerPixmapWidget::populate(UniMessageInfo *info) |
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72 { |
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73 mMimeType = info->mimetype(); |
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74 mPixmapPath = info->path(); |
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75 |
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76 /** |
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77 * Create a copy of info for video content. |
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78 * mInfo will be deleted in the destructor. |
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79 */ |
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80 if (mMimeType.contains(VIDEO_MIMETYPE)) { |
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81 mInfo = new UniMessageInfo(*info); |
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82 } |
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83 |
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84 if (info->isProtected()) { |
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85 if (mMimeType.contains(VIDEO_MIMETYPE)) { |
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86 emit thumbnailFound(false, mInfo); |
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87 } |
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88 else { |
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89 this->setIconName(PIXMAP_ICON); |
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90 } |
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91 } |
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92 else if (info->isCorrupted()) { |
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93 if (mMimeType.contains(VIDEO_MIMETYPE)) { |
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94 emit thumbnailFound(false, mInfo); |
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95 } |
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96 else { |
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97 this->setIconName(CORRUPTED_PIXMAP_ICON); |
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98 } |
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99 } |
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100 else { |
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101 if (mMimeType.contains(VIDEO_MIMETYPE)) { |
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102 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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107 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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112 //--------------------------------------------------------------- |
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113 // UniViewerPixmapWidget::gestureEvent |
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114 // @see header file |
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115 //--------------------------------------------------------------- |
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116 void UniViewerPixmapWidget::gestureEvent(QGestureEvent *event) |
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117 { |
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118 HbTapGesture *tapGesture = qobject_cast<HbTapGesture*> (event->gesture(Qt::TapGesture)); |
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119 if (tapGesture) { |
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120 switch (tapGesture->state()) { |
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121 case Qt::GestureStarted: |
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122 { |
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123 // Trigger haptic feedback. |
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124 HbInstantFeedback::play(HbFeedback::Basic); |
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125 break; |
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126 } |
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127 case Qt::GestureUpdated: |
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128 { |
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129 if (HbTapGesture::TapAndHold == tapGesture->tapStyleHint()) { |
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130 // Handle longtap. |
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131 handleLongTap(tapGesture->scenePosition()); |
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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 { |
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137 HbInstantFeedback::play(HbFeedback::Basic); |
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138 if (HbTapGesture::Tap == tapGesture->tapStyleHint()) { |
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139 // Handle short tap |
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140 handleShortTap(); |
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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 { |
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146 HbInstantFeedback::play(HbFeedback::Basic); |
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147 break; |
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148 } |
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149 } |
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150 } |
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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); |
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163 |
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164 if (!mViewerUtils) { |
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165 mViewerUtils = new UniViewerUtils(this); |
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166 } |
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167 mViewerUtils->launchContentViewer(mMimeType, mPixmapPath); |
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168 |
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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 //--------------------------------------------------------------- |
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174 // UniViewerPixmapWidget::handleSave |
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175 // @see header file |
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176 //--------------------------------------------------------------- |
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177 void UniViewerPixmapWidget::handleSave() |
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178 { |
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179 } |
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180 |
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181 //--------------------------------------------------------------- |
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182 // UniViewerPixmapWidget::regrabGesture |
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183 // @see header file |
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184 //--------------------------------------------------------------- |
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185 void UniViewerPixmapWidget::regrabGesture() |
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186 { |
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187 this->grabGesture(Qt::TapGesture); |
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188 } |
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189 |
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190 //--------------------------------------------------------------- |
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191 // UniViewerPixmapWidget::thumbnailReady |
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192 // @see header |
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193 //--------------------------------------------------------------- |
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194 void UniViewerPixmapWidget::thumbnailReady(const QPixmap& pixmap, void *data, int id, int error) |
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195 { |
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196 Q_UNUSED(data) |
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197 Q_UNUSED(id) |
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198 this->grabGesture(Qt::TapGesture); |
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199 if (error) { |
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200 emit thumbnailFound(false, mInfo); |
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201 } |
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202 else { |
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203 this->setIcon(HbIcon(pixmap)); |
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204 this->hide(); |
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205 emit thumbnailFound(true, NULL); |
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206 } |
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207 } |
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208 |
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209 //--------------------------------------------------------------- |
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210 // UniViewerPixmapWidget::init |
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211 // @see header file |
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212 //--------------------------------------------------------------- |
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213 void UniViewerPixmapWidget::init() |
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214 { |
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215 mThumbnailManager = new ThumbnailManager(this); |
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216 mThumbnailManager->setMode(ThumbnailManager::CropToAspectRatio); |
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217 mThumbnailManager->setQualityPreference(ThumbnailManager::OptimizeForQuality); |
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218 mThumbnailManager->setThumbnailSize(getThumbnailSize()); |
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219 |
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220 connect(mThumbnailManager, SIGNAL(thumbnailReady(QPixmap, void*, int, int)), this, |
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221 SLOT(thumbnailReady(QPixmap, void*, int, int))); |
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222 } |
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223 |
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224 //---------------------------------------------------------------------------- |
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225 // UniViewerPixmapWidget::handleShortTap |
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226 // @see header file |
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227 //---------------------------------------------------------------------------- |
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228 void UniViewerPixmapWidget::handleShortTap() |
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229 { |
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230 emit shortTap(mPixmapPath); |
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231 |
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232 // Open the media. |
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233 handleOpen(); |
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234 } |
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235 |
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236 //--------------------------------------------------------------- |
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237 // UniViewerPixmapWidget::handleLongTap |
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238 // @see header file |
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239 //--------------------------------------------------------------- |
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240 void UniViewerPixmapWidget::handleLongTap(const QPointF &position) |
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241 { |
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242 emit longTap(position); |
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243 |
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244 HbMenu* menu = new HbMenu; |
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245 menu->setAttribute(Qt::WA_DeleteOnClose); |
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246 menu->addAction(LOC_OPEN, this, SLOT(handleOpen())); |
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247 menu->addAction(LOC_SAVE, this, SLOT(handleSave())); |
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248 menu->setPreferredPos(position); |
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249 menu->show(); |
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250 } |
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251 |
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252 //--------------------------------------------------------------- |
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253 // UniViewerPixmapWidget::getThumbnailSize |
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254 // @see header file |
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255 //--------------------------------------------------------------- |
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256 QSize UniViewerPixmapWidget::getThumbnailSize() |
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257 { |
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258 QSize thumbnailSize(1, 1); |
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259 HbWidget *parent = qobject_cast<HbWidget *>(this->parentWidget()); |
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260 |
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261 if (parent) { |
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262 qreal thumbnailWidth = 0.0; |
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263 qreal thumbnailHeight = 0.0; |
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264 parent->style()->parameter("hb-param-screen-short-edge", thumbnailWidth); |
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265 thumbnailHeight = (thumbnailWidth * HEIGHT_RATIO) / WIDTH_RATIO; |
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266 thumbnailSize.setHeight(qRound(thumbnailHeight)); |
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267 thumbnailSize.setWidth(qRound(thumbnailWidth)); |
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268 } |
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269 return thumbnailSize; |
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270 } |
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271 |
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272 // EOF |