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: |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #include "WrtPageManager.h" |
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21 #include "ThumbnailView_p.h" |
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22 #include "ThumbnailView.h" |
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23 #include "TnEngineHandler.h" |
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24 #include "TnEngineView.h" |
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25 #include "wrtbrowsercontainer.h" |
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26 |
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27 #include <QDebug> |
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28 |
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29 namespace WRT { |
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30 ThumbnailViewPrivate::ThumbnailViewPrivate(WrtPageManager * mgr, QWidget* parent) : |
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31 m_widgetParent(parent), |
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32 m_graphicsWidgetParent(0), |
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33 m_pageManager(mgr), |
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34 m_activePage(0), |
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35 m_tnEngineHandler(0), |
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36 m_tnEngineView(0), |
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37 m_isActive(false) |
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38 { |
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39 Q_ASSERT(m_pageManager); |
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40 init(); |
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41 } |
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42 |
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43 ThumbnailViewPrivate::ThumbnailViewPrivate(WrtPageManager * mgr, QGraphicsWidget* parent) : |
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44 m_widgetParent(0), |
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45 m_graphicsWidgetParent(parent), |
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46 m_pageManager(mgr), |
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47 m_activePage(0), |
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48 m_tnEngineHandler(0), |
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49 m_tnEngineView(0), |
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50 m_isActive(false) |
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51 { |
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52 Q_ASSERT(m_pageManager); |
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53 init(); |
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54 } |
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55 |
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56 ThumbnailViewPrivate::~ThumbnailViewPrivate() |
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57 { |
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58 } |
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59 |
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60 void ThumbnailViewPrivate::init() |
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61 { |
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62 // create the view's actions |
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63 m_actionOK = new QAction("OK",m_widgetParent); |
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64 m_actionOK->setObjectName("OK"); |
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65 m_actionCancel = new QAction("Cancel",m_widgetParent); |
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66 m_actionCancel->setObjectName("Cancel"); |
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67 } |
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68 |
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69 /*! |
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70 * \class ThumbnailView |
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71 * |
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72 * \brief The Thumbnail View |
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73 * |
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74 * This class provides an overview of the current page, allows the user to scroll to |
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75 * a different part of the page |
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76 */ |
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77 |
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78 /*! |
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79 Basic ThumbnailView constructor requires a PageManager to manage the pages |
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80 and a parent QWidget |
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81 */ |
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82 ThumbnailView::ThumbnailView(WrtPageManager * pageMgr, QWidget* parent) : |
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83 d(new ThumbnailViewPrivate(pageMgr, parent)) |
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84 { |
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85 } |
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86 |
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87 /*! |
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88 Basic ThumbnailView constructor requires a PageManager to manage the pages |
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89 and a parent QGraphicsWidget |
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90 */ |
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91 ThumbnailView::ThumbnailView(WrtPageManager * pageMgr, QGraphicsWidget* parent) : |
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92 d(new ThumbnailViewPrivate(pageMgr, parent)) |
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93 { |
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94 } |
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95 |
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96 |
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97 ThumbnailView::~ThumbnailView() |
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98 { |
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99 if(d->m_isActive) |
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100 deactivate(); |
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101 |
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102 if(d->m_tnEngineHandler) |
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103 delete(d->m_tnEngineHandler); |
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104 |
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105 if(d->m_tnEngineView) |
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106 delete(d->m_tnEngineView); |
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107 |
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108 delete d; |
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109 } |
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110 |
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111 /*! |
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112 Retrieve the WrtPageManager assigned to this view |
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113 */ |
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114 WrtPageManager* ThumbnailView::wrtPageManager() |
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115 { |
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116 return d->m_pageManager; |
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117 } |
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118 |
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119 /*! |
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120 Return the view's OK QAction |
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121 For invoking the view's OK |
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122 */ |
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123 QAction * ThumbnailView::getActionOK() |
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124 { |
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125 return d->m_actionOK; |
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126 } |
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127 |
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128 /*! |
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129 Return the view's Cancel QAction |
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130 For invoking the view's Cancel |
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131 */ |
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132 QAction * ThumbnailView::getActionCancel() |
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133 { |
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134 return d->m_actionCancel; |
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135 } |
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136 |
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137 /*! |
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138 Return the widget handle of this view |
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139 */ |
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140 QWidget* ThumbnailView::qWidget() const |
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141 { |
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142 return d->m_tnEngineHandler->widget(); |
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143 } |
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144 |
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145 /*! |
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146 Return the title of this view for display |
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147 */ |
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148 QString ThumbnailView::title() |
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149 { |
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150 return QString("ThumbnailView"); |
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151 } |
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152 |
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153 /*! |
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154 Return whether this view is active or not |
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155 */ |
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156 bool ThumbnailView::isActive() |
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157 { |
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158 return d->m_isActive; |
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159 } |
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160 |
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161 |
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162 /*! |
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163 Return the list of public QActions most relevant to the view's current context |
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164 (most approptiate for contextual menus, etc. |
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165 */ |
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166 QList<QAction*> ThumbnailView::getContext() |
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167 { |
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168 // for now, all actions valid at all times |
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169 // but there may be some logic here to determine context |
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170 QList<QAction*> contextList; |
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171 contextList << |
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172 d->m_actionOK << |
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173 d->m_actionCancel; |
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174 return contextList; |
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175 } |
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176 |
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177 /*! |
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178 activate the view's resources. Could be connected by client to view visibility |
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179 */ |
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180 void ThumbnailView::activate() |
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181 { |
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182 Q_ASSERT(!d->m_isActive); |
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183 |
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184 d->m_tnEngineHandler = new TnEngineHandler(d->m_pageManager, d->m_widgetParent); |
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185 Q_ASSERT(d->m_tnEngineHandler); |
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186 d->m_tnEngineView = d->m_tnEngineHandler->tnEngineView(); |
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187 Q_ASSERT(d->m_tnEngineView); |
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188 |
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189 // connect/forward signals as appropriate |
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190 connect(d->m_tnEngineView,SIGNAL(scrollStarted()),this,SIGNAL(scrollStarted())); |
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191 connect(d->m_tnEngineView,SIGNAL(scrollBy(int,int)),this,SIGNAL(scrollBy(int,int))); |
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192 connect(d->m_tnEngineView,SIGNAL(scrollEnded()),this,SIGNAL(scrollEnded())); |
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193 connect(d->m_tnEngineHandler,SIGNAL(ok(int,int)),this,SIGNAL(ok(int,int))); |
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194 connect(d->m_tnEngineView,SIGNAL(cancel()),this,SIGNAL(cancel())); |
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195 |
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196 //d->m_tnEngineHandler->show(); |
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197 d->m_isActive = true; |
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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 deactivate the view's resources. Could be connected by client to view visibility |
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203 */ |
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204 void ThumbnailView::deactivate() |
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205 { |
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206 Q_ASSERT(d->m_isActive); |
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207 |
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208 Q_ASSERT(d->m_tnEngineHandler); |
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209 Q_ASSERT(d->m_tnEngineView); |
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210 |
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211 // connect/forward signals as appropriate |
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212 disconnect(d->m_tnEngineView,SIGNAL(scrollStarted()),this,SIGNAL(scrollStarted())); |
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213 disconnect(d->m_tnEngineView,SIGNAL(scrollBy(int,int)),this,SIGNAL(scrollBy(int,int))); |
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214 disconnect(d->m_tnEngineView,SIGNAL(scrollEnded()),this,SIGNAL(scrollEnded())); |
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215 disconnect(d->m_tnEngineHandler,SIGNAL(ok(int,int)),this,SIGNAL(ok(int,int))); |
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216 disconnect(d->m_tnEngineView,SIGNAL(cancel()),this,SIGNAL(cancel())); |
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217 |
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218 m_proxyWidget->setWidget(0); |
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219 delete m_proxyWidget; |
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220 m_proxyWidget = 0; |
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221 delete(d->m_tnEngineHandler); |
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222 d->m_tnEngineHandler = NULL; |
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223 d->m_tnEngineView = NULL; |
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224 |
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225 d->m_isActive = false; |
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226 } |
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227 |
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228 /*! |
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229 scroll the ThumbnailView by the amount given the doc coordinates |
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230 */ |
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231 void ThumbnailView::scrollViewBy(int /*x*/, int /*y*/) |
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232 { |
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233 Q_ASSERT(d->m_tnEngineHandler); |
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234 Q_ASSERT(d->m_tnEngineView); |
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235 d->m_tnEngineHandler->updateNow(); |
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236 d->m_tnEngineView->update(); |
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237 } |
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238 |
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239 /*! |
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240 \fn void ThumbnailView::scrollStarted(); |
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241 emitted when scrolling on the ThumbnailView has started |
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242 */ |
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243 |
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244 /*! |
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245 \fn void ThumbnailView::scrollTo(int x, int y); |
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246 emitted during a scrolling event |
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247 */ |
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248 |
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249 /*! |
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250 \fn void ThumbnailView::scrollEnded(); |
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251 emitted when scrolling has ended(); |
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252 */ |
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253 |
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254 /*! |
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255 \fn void ThumbnailView::ok(int x, int y); |
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256 emitted when the ok action has occured, and the position the |
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257 view has currently scrolled to |
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258 */ |
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259 |
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260 /*! |
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261 \fn void ThumbnailView::cancel(); |
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262 emitted when the cancel action has occured |
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263 */ |
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264 |
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265 } // namespace WRT |
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