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1 /* |
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2 * Copyright (c) 2009-2010 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 #include <QDebug> |
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18 #include <QTimer> |
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19 #include <hbmainwindow.h> |
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20 #include <QGraphicsSceneEvent> |
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21 #include <hbstyleloader.h> |
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22 #include <hbactivitymanager.h> |
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23 #include <hbaction.h> |
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24 #include <xqserviceutil.h> |
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25 |
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26 #include "cxuiapplication.h" |
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27 #include "cxuiapplicationstate.h" |
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28 #include "cxuiviewmanager.h" |
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29 #include "cxuivideoprecaptureview.h" |
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30 #include "cxuistillprecaptureview.h" |
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31 #include "cxuipostcaptureview.h" |
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32 #include "cxuicapturekeyhandler.h" |
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33 #include "cxeengine.h" |
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34 #include "cxecameradevicecontrol.h" |
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35 #include "cxefeaturemanager.h" // mEngine->featureManager() |
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36 #include "cxeviewfindercontrol.h" |
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37 #include "cxenamespace.h" |
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38 #include "cxuienums.h" |
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39 #include "cxutils.h" |
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40 #include "cxuidocumentloader.h" |
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41 #include "cxesettings.h" |
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42 #include "cxememorymonitor.h" |
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43 #include "cxuiserviceprovider.h" |
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44 #include "cxuiscenemodeview.h" |
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45 |
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46 |
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47 #ifdef Q_OS_SYMBIAN |
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48 #include "OstTraceDefinitions.h" |
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49 |
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50 #ifdef OST_TRACE_COMPILER_IN_USE |
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51 #include "cxuiviewmanagerTraces.h" |
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52 #endif |
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53 |
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54 #endif //Q_OS_SYMBIAN |
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55 |
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56 |
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57 using namespace Cxe; |
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58 using namespace CxUiLayout; |
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59 |
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60 namespace |
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61 { |
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62 static const int CXUI_STANDBY_CAMERA_TIMEOUT = 60000; // 60 seconds |
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63 } |
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64 |
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65 |
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66 /*! |
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67 * Constructor. |
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68 */ |
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69 CxuiViewManager::CxuiViewManager(CxuiApplication &application, HbMainWindow &mainWindow, CxeEngine &engine) : |
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70 mApplication(application), |
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71 mMainWindow(mainWindow), |
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72 mEngine(engine), |
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73 mKeyHandler(NULL), |
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74 mCameraDocumentLoader(NULL), |
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75 mApplicationState(NULL), |
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76 mErrorManager(NULL) |
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77 { |
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78 CX_DEBUG_ENTER_FUNCTION(); |
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79 |
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80 // create mappings to map view name to correct docml file |
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81 mDocmlFilesByView.insert(STILL_PRE_CAPTURE_VIEW, STILL_1ST_XML); |
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82 mDocmlFilesByView.insert(VIDEO_PRE_CAPTURE_VIEW, VIDEO_1ST_XML); |
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83 mDocmlFilesByView.insert(POSTCAPTURE_VIEW, POSTCAPTURE_XML); |
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84 mDocmlFilesByView.insert(SCENE_MODE_VIEW, SCENEMODE_SETTING_XML); |
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85 |
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86 // Key handler |
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87 mKeyHandler = new CxuiCaptureKeyHandler(mEngine); |
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88 |
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89 // Document loader |
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90 OstTrace0(camerax_performance, CXUIVIEWMANAGER_CXUIVIEWMANAGER_1, "msg: e_CX_VIEWMANAGER_CREATE_DOCLOADER 1"); |
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91 mCameraDocumentLoader = new CxuiDocumentLoader(&engine); |
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92 OstTrace0(camerax_performance, CXUIVIEWMANAGER_CXUIVIEWMANAGER_2, "msg: e_CX_VIEWMANAGER_CREATE_DOCLOADER 0"); |
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93 |
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94 // Application state |
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95 mApplicationState = new CxuiApplicationState(mApplication, mEngine.settings(), mCameraDocumentLoader); |
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96 CX_ASSERT_ALWAYS(mApplicationState); |
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97 bool ok = connect(mApplicationState, SIGNAL(stateChanged(CxuiApplicationState::State, CxuiApplicationState::State)), |
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98 this, SLOT(handleApplicationStateChanged(CxuiApplicationState::State, CxuiApplicationState::State))); |
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99 Q_ASSERT_X(ok, "CxuiViewManager", "Application state change signal connect failed."); |
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100 connect(this, SIGNAL(standbyExitRequested()), mApplicationState, SLOT(exitStandby()), Qt::QueuedConnection); |
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101 |
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102 // Standby timer |
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103 mStandbyTimer.setInterval(CXUI_STANDBY_CAMERA_TIMEOUT); |
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104 mStandbyTimer.setSingleShot(true); |
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105 connect(&mStandbyTimer, SIGNAL(timeout()), mApplicationState, SLOT(enterStandby())); |
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106 |
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107 // Filter capture and AF keys and follow user activity from mouse events. |
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108 QCoreApplication::instance()->installEventFilter(this); |
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109 |
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110 // Monitor memory on normal state, not on standby, error or background. |
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111 connect(this, SIGNAL(normalStateEntered()), &mEngine.memoryMonitor(), SLOT(startMonitoring())); |
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112 connect(this, SIGNAL(normalStateExited()), &mEngine.memoryMonitor(), SLOT(stopMonitoring())); |
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113 |
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114 //connecting initmode signals |
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115 connect(&mEngine.cameraDeviceControl(), SIGNAL(initModeComplete(CxeError::Id)), |
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116 mApplicationState, SLOT(handleApplicationError(CxeError::Id))); |
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117 |
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118 connect(&mEngine.stillCaptureControl(), SIGNAL(imageCaptured(CxeError::Id, int)), |
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119 mApplicationState, SLOT(handleApplicationError(CxeError::Id))); |
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120 |
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121 // Register stylesheet. It will be automatically destroyed on application |
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122 // exit. |
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123 HbStyleLoader::registerFilePath(":/camerax/cxui.css"); |
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124 |
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125 // Create the view we are starting in, or connect signals so it |
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126 // will be created once we know the mode we are starting to. |
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127 initStartupView(); |
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128 |
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129 // For UI startup testing, we need to emit applicationReady signal once UI is ready to be used. |
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130 connect(mMainWindow.currentView(), SIGNAL(viewReady()), &mApplication, SIGNAL(applicationReady())); |
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131 |
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132 CX_DEBUG_EXIT_FUNCTION(); |
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133 } |
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134 |
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135 |
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136 /*! |
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137 * Destructor. |
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138 */ |
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139 CxuiViewManager::~CxuiViewManager() |
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140 { |
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141 CX_DEBUG_ENTER_FUNCTION(); |
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142 QCoreApplication::instance()->removeEventFilter(this); |
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143 |
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144 if (!CxuiServiceProvider::isCameraEmbedded()) { |
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145 currentView()->saveActivity(); |
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146 } |
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147 |
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148 delete mApplicationState; |
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149 delete mCameraDocumentLoader; |
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150 delete mKeyHandler; |
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151 |
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152 CX_DEBUG_EXIT_FUNCTION(); |
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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 /*! |
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158 * Handle change in overall state of application. |
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159 * @param newState The new application state. |
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160 */ |
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161 void CxuiViewManager::handleApplicationStateChanged(CxuiApplicationState::State newState, |
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162 CxuiApplicationState::State oldState) |
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163 { |
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164 Q_UNUSED(oldState); |
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165 CX_DEBUG_ENTER_FUNCTION(); |
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166 |
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167 CxuiView *view = currentView(); |
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168 CX_DEBUG(("CxuiViewManager - current view %d", view)); |
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169 |
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170 switch (newState) { |
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171 case CxuiApplicationState::Normal: |
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172 // If camera is in embedded mode, we need to start |
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173 // listening to key events again |
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174 if (CxuiServiceProvider::isCameraEmbedded()){ |
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175 mKeyHandler->startListeningKeys(); |
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176 } else { |
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177 // If in standalone mode, we disable raising to |
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178 // foreground with capture key. |
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179 disconnect(mKeyHandler, SIGNAL(captureKeyPressed()), |
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180 this, SLOT(toForeground())); |
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181 } |
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182 connectSignals(view); |
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183 |
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184 CX_DEBUG(("CxuiViewManager - emitting normalStateEntered")); |
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185 emit normalStateEntered(); |
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186 break; |
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187 case CxuiApplicationState::Standby: |
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188 if (view && !view->isStandbyModeSupported()) { |
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189 // If we move to Stanby, and current view does not |
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190 // support standby mode, move to Normal mode right away. |
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191 CX_DEBUG(("CxuiViewManager - view does not support stanbdy, exiting standby right away..")); |
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192 mApplicationState->exitStandby(); |
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193 } else { |
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194 handleExitingNormalState(); |
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195 } |
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196 break; |
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197 case CxuiApplicationState::Error: |
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198 case CxuiApplicationState::Background: |
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199 handleExitingNormalState(); |
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200 |
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201 if (newState == CxuiApplicationState::Background) { |
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202 // Moved to background. |
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203 // If we're in embedded mode, we should stop listening to camera key |
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204 // events |
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205 if (CxuiServiceProvider::isCameraEmbedded()){ |
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206 mKeyHandler->stopListeningKeys(); |
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207 } else { |
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208 // If not in embedded mode, then we bring application back to |
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209 // foreground by capture key press |
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210 connect(mKeyHandler, SIGNAL(captureKeyPressed()), |
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211 this, SLOT(toForeground())); |
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212 } |
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213 } |
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214 break; |
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215 } |
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216 |
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217 CX_DEBUG_EXIT_FUNCTION(); |
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218 } |
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219 |
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220 /*! |
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221 * Helper method to handle (possible) exiting from normal state. |
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222 * @param oldState The previous state. |
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223 */ |
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224 void CxuiViewManager::handleExitingNormalState() |
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225 { |
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226 CX_DEBUG_ENTER_FUNCTION(); |
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227 // Store view that is active now. |
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228 CxuiView *view = currentView(); |
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229 CX_DEBUG(("CxuiViewManager - current view %d", view)); |
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230 |
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231 // Emit signal so current view can enter standby. |
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232 emit normalStateExited(); |
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233 // Disconnect signals so we don't send key event's etc. |
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234 // Using the view before normalStateExited() signal was emitted, |
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235 // just in case it caused view switch. |
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236 disconnectSignals(view); |
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237 // Make sure standby timer is not running. |
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238 stopStandbyTimer(); |
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239 |
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240 CX_DEBUG_EXIT_FUNCTION(); |
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241 } |
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242 |
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243 /*! |
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244 * Slot for starting standby timer. |
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245 */ |
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246 void CxuiViewManager::startStandbyTimer() |
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247 { |
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248 CX_DEBUG_ENTER_FUNCTION(); |
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249 mStandbyTimer.start(); |
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250 CX_DEBUG_EXIT_FUNCTION(); |
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251 } |
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252 |
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253 /*! |
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254 * Slot for stopping standby timer. |
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255 */ |
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256 void CxuiViewManager::stopStandbyTimer() |
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257 { |
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258 CX_DEBUG_ENTER_FUNCTION(); |
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259 mStandbyTimer.stop(); |
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260 CX_DEBUG_EXIT_FUNCTION(); |
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261 } |
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262 |
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263 /*! |
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264 * Helper function to return current view cast to CxuiView. |
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265 */ |
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266 CxuiView* CxuiViewManager::currentView() const |
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267 { |
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268 CxuiView *view = qobject_cast<CxuiView*> (mMainWindow.currentView()); |
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269 return view; |
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270 } |
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271 |
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272 /*! |
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273 * Select and initialize the view we need to start into. |
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274 */ |
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275 void CxuiViewManager::initStartupView() |
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276 { |
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277 CX_DEBUG_ENTER_FUNCTION(); |
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278 |
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279 if (mApplication.activateReason() == Hb::ActivationReasonService || |
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280 // @todo: There's a bug in orbit and we never get Hb::ActivationReasonService as |
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281 // activation reason. Use XQServiceUtil to determine if starting service as |
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282 // a workaround for now |
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283 XQServiceUtil::isService()) { |
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284 |
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285 // For embedded mode: don't create view yet, create when engine inits to correct mode. |
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286 // Connect signals to set up the view after image/video prepare |
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287 connect(&mEngine.stillCaptureControl(), SIGNAL(imagePrepareComplete(CxeError::Id)), |
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288 this, SLOT(changeToPrecaptureView())); |
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289 connect(&mEngine.videoCaptureControl(), SIGNAL(videoPrepareComplete(CxeError::Id)), |
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290 this, SLOT(changeToPrecaptureView())); |
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291 |
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292 } else if (mApplication.activateReason() == Hb::ActivationReasonActivity) { |
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293 // restoring activity, read startup view from stored activity |
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294 |
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295 // view to start in |
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296 QString viewName = STILL_PRE_CAPTURE_VIEW; |
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297 |
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298 bool preCapture = true; |
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299 QString activityId = mApplication.activateId(); |
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300 if (activityId == CxuiActivityIds::STILL_PRECAPTURE_ACTIVITY) { |
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301 viewName = STILL_PRE_CAPTURE_VIEW; |
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302 } else if (activityId == CxuiActivityIds::STILL_POSTCAPTURE_ACTIVITY) { |
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303 viewName = POSTCAPTURE_VIEW; |
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304 preCapture = false; |
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305 } else if (activityId == CxuiActivityIds::VIDEO_PRECAPTURE_ACTIVITY) { |
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306 viewName = VIDEO_PRE_CAPTURE_VIEW; |
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307 } else if (activityId == CxuiActivityIds::VIDEO_POSTCAPTURE_ACTIVITY) { |
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308 viewName = POSTCAPTURE_VIEW; |
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309 preCapture = false; |
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310 } |
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311 |
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312 CxuiView *view = createView(viewName); |
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313 if (preCapture) { |
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314 connectPreCaptureSignals(static_cast<CxuiPrecaptureView *>(view)); |
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315 } else { |
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316 connectPostCaptureSignals(); |
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317 } |
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318 mMainWindow.setCurrentView(view, false); |
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319 |
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320 // restore view from activity |
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321 bool ok = mApplication.activityManager()->waitActivity(); |
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322 |
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323 view->restoreActivity(activityId, |
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324 mApplication.activityManager()->activityData(mApplication.activateId())); |
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325 |
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326 clearAllActivities(); |
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327 } else { |
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328 // normal start |
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329 // no activity id, get default view from engine state |
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330 CxuiView *view = NULL; |
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331 if (mEngine.mode() == Cxe::VideoMode) { |
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332 view = createView(VIDEO_PRE_CAPTURE_VIEW); |
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333 } else { |
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334 view = createView(STILL_PRE_CAPTURE_VIEW); |
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335 } |
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336 connectPreCaptureSignals(static_cast<CxuiPrecaptureView *>(view)); |
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337 mMainWindow.setCurrentView(view, false); |
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338 |
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339 clearAllActivities(); |
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340 } |
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341 |
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342 // Check the current application state, signalled to handleApplicationStateChanged. |
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343 mApplicationState->startMonitoring(); |
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344 |
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345 CX_DEBUG_EXIT_FUNCTION(); |
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346 } |
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347 |
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348 /*! |
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349 * Create view and add it to main window. |
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350 */ |
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351 CxuiView* CxuiViewManager::createView(const QString &viewName) |
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352 { |
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353 CX_DEBUG_ENTER_FUNCTION(); |
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354 |
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355 OstTrace0(camerax_performance, CXUIVIEWMANAGER_CREATEVIEW_IN, "msg: e_CX_CREATE_VIEW 1"); |
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356 |
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357 CX_DEBUG(("View name: %s", viewName.toAscii().data())); |
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358 |
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359 CxuiView* view = mViews[viewName]; |
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360 if (view == NULL) { |
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361 CX_DEBUG(("View not loaded yet, loading now")); |
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362 bool ok = false; |
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363 // Use document loader to create widgets and layouts |
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364 // (non-sectioned parts are parsed and loaded) |
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365 QString docmlFile = mDocmlFilesByView[viewName]; |
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366 CX_ASSERT_ALWAYS(mCameraDocumentLoader); |
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367 CX_ASSERT_ALWAYS(!docmlFile.isNull()); |
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368 |
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369 OstTrace0(camerax_performance, CXUIVIEWMANAGER_CREATEVIEW_2, "msg: e_CX_DOCUMENTLOADER_LOAD 1"); |
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370 mCameraDocumentLoader->load(docmlFile, &ok); |
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371 OstTrace0(camerax_performance, CXUIVIEWMANAGER_CREATEVIEW_4, "msg: e_CX_DOCUMENTLOADER_LOAD 0"); |
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372 Q_ASSERT_X(ok, "createView", "error in xml file parsing"); |
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373 |
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374 OstTrace0(camerax_performance, CXUIVIEWMANAGER_CREATEVIEW_6, "msg: e_CX_DOCUMENTLOADER_FINDWIDGET 1"); |
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375 QGraphicsWidget *widget = NULL; |
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376 // ask for the view widget pointer |
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377 widget = mCameraDocumentLoader->findWidget(viewName); |
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378 view = qobject_cast<CxuiView *> (widget); |
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379 CX_ASSERT_ALWAYS(view); |
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380 OstTrace0(camerax_performance, CXUIVIEWMANAGER_CREATEVIEW_8, "msg: e_CX_DOCUMENTLOADER_FINDWIDGET 1"); |
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381 |
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382 // call for needed consturction methods |
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383 view->construct(&mMainWindow, &mEngine, mCameraDocumentLoader, mKeyHandler, mApplication.activityManager()); |
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384 // .. and add to main window (which also takes ownership) |
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385 OstTrace0(camerax_performance, CXUIVIEWMANAGER_CREATEVIEW_10, "msg: e_CX_MAINWINDOW_ADDVIEW 1"); |
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386 mMainWindow.addView(view); |
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387 mViews.insert(viewName, view); |
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388 OstTrace0(camerax_performance, CXUIVIEWMANAGER_CREATEVIEW_12, "msg: e_CX_MAINWINDOW_ADDVIEW 0"); |
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389 } |
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390 |
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391 OstTrace0(camerax_performance, CXUIVIEWMANAGER_CREATEVIEW_OUT, "msg: e_CX_CREATE_VIEW 0"); |
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392 |
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393 CX_DEBUG_EXIT_FUNCTION(); |
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394 return view; |
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395 } |
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396 |
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397 /*! |
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398 * CxuiViewManager::showScenesView |
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399 * A private method for displaying Scene Modes selection view |
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400 */ |
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401 void CxuiViewManager::showScenesView() |
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402 { |
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403 CX_DEBUG_ENTER_FUNCTION(); |
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404 // Disconnect signals from old view. |
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405 disconnectSignals(); |
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406 |
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407 CxuiSceneModeView *view = qobject_cast<CxuiSceneModeView*>(createView(SCENE_MODE_VIEW)); |
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408 CX_ASSERT_ALWAYS(view); |
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409 view->loadBackgroundImages(); |
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410 |
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411 stopStandbyTimer(); |
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412 connectSceneModeSignals(); |
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413 mMainWindow.setCurrentView(view, false); |
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414 |
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415 CX_DEBUG_EXIT_FUNCTION(); |
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416 } |
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417 |
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418 /*! |
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419 * Get the precapture view appropriate for given camera mode and index. |
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420 * If the view does not exist, it is created. |
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421 * @param mode Which camera mode the view should match. |
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422 * @param index Which camera index the view should match. |
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423 */ |
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424 CxuiPrecaptureView* |
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425 CxuiViewManager::getPrecaptureView(Cxe::CameraMode mode, Cxe::CameraIndex camera) |
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426 { |
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427 CX_DEBUG_ENTER_FUNCTION(); |
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428 CX_DEBUG(("CxuiViewManager::getPrecaptureView - mode=%d, camera index=%d", mode, camera)); |
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429 |
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430 CX_DEBUG_ASSERT(camera == Cxe::PrimaryCameraIndex); |
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431 |
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432 if (mode == ImageMode) { |
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433 CX_DEBUG(("CxuiViewManager::getPrecaptureView - image mode")); |
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434 return qobject_cast<CxuiPrecaptureView*>(createView(STILL_PRE_CAPTURE_VIEW)); |
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435 |
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436 } else { |
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437 CX_DEBUG(("CxuiViewManager::getPrecaptureView - video mode")); |
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438 return qobject_cast<CxuiPrecaptureView*>(createView(VIDEO_PRE_CAPTURE_VIEW)); |
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439 } |
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440 } |
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441 |
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442 /*! |
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443 * Move to post-capture view. |
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444 */ |
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445 void CxuiViewManager::changeToPostcaptureView() |
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446 { |
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447 CX_DEBUG_ENTER_FUNCTION(); |
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448 // Disconnect signals from old view. |
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449 disconnectSignals(); |
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450 |
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451 CxuiView *postCaptureView = createView(POSTCAPTURE_VIEW); |
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452 |
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453 // Connecting all necessary signals for postcapture view. |
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454 // Not connected yet if not in normal state. We connect the signals |
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455 // once we enter normal state again. |
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456 if (mApplicationState->currentState() == CxuiApplicationState::Normal) { |
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457 connectPostCaptureSignals(); |
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458 } |
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459 |
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460 // Connect signals before we set the post-capture view as current view. |
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461 // We need to have signals connected if post-capture view for example |
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462 // needs to move back to pre-capture view already in showEvent. |
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463 mMainWindow.setCurrentView(postCaptureView, false); |
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464 |
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465 CX_DEBUG_EXIT_FUNCTION(); |
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466 } |
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467 |
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468 /*! |
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469 * Move to pre-capture view. |
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470 */ |
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471 void CxuiViewManager::changeToPrecaptureView() |
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472 { |
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473 CX_DEBUG_ENTER_FUNCTION(); |
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474 |
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475 if (CxuiServiceProvider::isCameraEmbedded()) { |
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476 // disconnect signals, we only want to call this once after the initial prepare |
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477 disconnect(&mEngine.stillCaptureControl(), SIGNAL(imagePrepareComplete(CxeError::Id)), |
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478 this, SLOT(changeToPrecaptureView())); |
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479 disconnect(&mEngine.videoCaptureControl(), SIGNAL(videoPrepareComplete(CxeError::Id)), |
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480 this, SLOT(changeToPrecaptureView())); |
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481 } |
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482 |
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483 // If normal mode is not active, don't switch to precapture view and reserve camera now. |
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484 if (mApplicationState->currentState() != CxuiApplicationState::Normal) { |
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485 CX_DEBUG(("CxuiViewManager - Change to precapture blocked as not normal mode (error, standby, background).")); |
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486 } else { |
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487 |
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488 // Disconnect signals from old view. |
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489 disconnectSignals(); |
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490 |
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491 CxuiPrecaptureView *view = |
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492 getPrecaptureView(mEngine.mode(), mEngine.cameraDeviceControl().cameraIndex()); |
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493 |
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494 // Connect necessary pre-capture view signals. |
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495 connectPreCaptureSignals(view); |
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496 |
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497 mMainWindow.setCurrentView(view, false); |
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498 |
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499 // Release resources needed by scene view. |
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500 HbView *sceneView = mViews.take(SCENE_MODE_VIEW); |
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501 if (sceneView) { |
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502 // This will not delete the view. |
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503 mMainWindow.removeView(sceneView); |
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504 // We can get to this slot from scene view, so don't delete the object too early. |
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505 sceneView->deleteLater(); |
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506 sceneView = NULL; |
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507 } |
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508 |
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509 // Make sure engine prepares for new image/video if necessary |
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510 mEngine.initMode(mEngine.mode()); |
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511 |
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512 startStandbyTimer(); |
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513 |
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514 } |
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515 CX_DEBUG_EXIT_FUNCTION(); |
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516 } |
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517 |
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518 /*! |
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519 * Switch between cameras. |
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520 */ |
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521 void CxuiViewManager::switchCamera() |
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522 { |
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523 CX_DEBUG_ENTER_FUNCTION(); |
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524 |
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525 Cxe::CameraIndex nextCamera; |
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526 Qt::Orientation nextViewOrientation; |
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527 |
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528 if (mEngine.cameraDeviceControl().cameraIndex() == Cxe::PrimaryCameraIndex) { |
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529 nextCamera = Cxe::SecondaryCameraIndex; |
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530 nextViewOrientation = Qt::Vertical; |
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531 } else { |
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532 nextCamera = Cxe::PrimaryCameraIndex; |
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533 nextViewOrientation = Qt::Horizontal; |
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534 } |
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535 |
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536 CxuiPrecaptureView* view = getPrecaptureView(mEngine.mode(), nextCamera); |
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537 connectPreCaptureSignals(view); |
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538 mMainWindow.setCurrentView(view, false); |
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539 view->updateOrientation(nextViewOrientation); |
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540 |
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541 mEngine.cameraDeviceControl().switchCamera(nextCamera); |
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542 |
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543 CX_DEBUG_EXIT_FUNCTION(); |
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544 } |
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545 |
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546 /*! |
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547 * Event filter function. |
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548 * Used to get mouse and key events for standby and capture key handling. |
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549 * @param object Target object. |
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550 * @param event Event to be checked. |
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551 */ |
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552 bool CxuiViewManager::eventFilter(QObject *object, QEvent *event) |
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553 { |
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554 Q_UNUSED(object) |
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555 |
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556 bool eventWasConsumed = false; |
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557 bool userActivity = false; |
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558 |
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559 switch (event->type()) { |
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560 case QEvent::KeyPress: |
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561 case QEvent::KeyRelease: |
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562 userActivity = true; |
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563 eventWasConsumed = mKeyHandler->handleKeyEvent(event); |
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564 if (eventWasConsumed && mApplicationState->currentState() == CxuiApplicationState::Standby) { |
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565 // Queued exit from standby. |
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566 emit standbyExitRequested(); |
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567 } |
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568 break; |
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569 |
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570 case QEvent::GraphicsSceneMouseMove: |
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571 case QEvent::GraphicsSceneMousePress: |
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572 userActivity = true; |
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573 break; |
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574 case QEvent::GraphicsSceneMouseRelease: |
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575 userActivity = true; |
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576 if (mApplicationState->currentState() == CxuiApplicationState::Standby) { |
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577 // Queued exit from standby. |
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578 // Standby popup in view can receive mouse event before it is dismissed. |
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579 emit standbyExitRequested(); |
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580 } |
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581 break; |
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582 } |
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583 |
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584 // Restart standby timer if there is user activity. |
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585 // Only restart the timer if it is running, do not set it running here. |
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586 if (userActivity && mStandbyTimer.isActive()) { |
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587 startStandbyTimer(); |
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588 } |
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589 |
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590 // No need to call base class implementation, because we derive from QObject directly. |
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591 // QObject::eventFilter() implementation always returns false. |
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592 return eventWasConsumed; |
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593 } |
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594 |
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595 /*! |
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596 * Connect signals specific to given view. |
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597 */ |
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598 void CxuiViewManager::connectSignals(CxuiView *view) |
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599 { |
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600 CX_DEBUG_ENTER_FUNCTION(); |
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601 OstTrace0(camerax_performance, CXUIVIEWMANAGER_CONNECTSIGNALS_1, "msg: e_CX_VIEWMANAGER_CONNECT_SIGNALS 1"); |
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602 |
|
603 if (view) { |
|
604 if (view == mViews[POSTCAPTURE_VIEW]) { |
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605 connectPostCaptureSignals(); |
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606 } else if (view == mViews[SCENE_MODE_VIEW]) { |
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607 connectSceneModeSignals(); |
|
608 } else { |
|
609 connectPreCaptureSignals(static_cast<CxuiPrecaptureView *>(view)); |
|
610 } |
|
611 } |
|
612 |
|
613 OstTrace0(camerax_performance, CXUIVIEWMANAGER_CONNECTSIGNALS_2, "msg: e_CX_VIEWMANAGER_CONNECT_SIGNALS 0"); |
|
614 CX_DEBUG_EXIT_FUNCTION(); |
|
615 } |
|
616 |
|
617 /*! |
|
618 * Disconnect signals. |
|
619 * We don't want to send or receive signals with inactive views, so this is done every time changing a view. |
|
620 * @param view View object from which signals are disconnected. If NULL is given, current view is used. |
|
621 */ |
|
622 void CxuiViewManager::disconnectSignals(CxuiView *view) |
|
623 { |
|
624 CX_DEBUG_ENTER_FUNCTION(); |
|
625 OstTrace0(camerax_performance, CXUIVIEWMANAGER_DISCONNECT_1, "msg: e_CX_VIEWMANAGER_DISCONNECT_SIGNALS 1"); |
|
626 |
|
627 // Disconnect all existing capture key signals |
|
628 mKeyHandler->disconnect(); |
|
629 |
|
630 if (!view) { |
|
631 // If view is not given, take current view. |
|
632 view = currentView(); |
|
633 } |
|
634 |
|
635 CX_DEBUG(("CxuiViewManager - disconnecting from view %d", view)); |
|
636 if (view) { |
|
637 // Disconnect all signals from current view to us. |
|
638 disconnect(view, 0, this, 0); |
|
639 // Disconnect all signals from us to current view. |
|
640 disconnect(this, 0, view, 0); |
|
641 } |
|
642 |
|
643 OstTrace0(camerax_performance, CXUIVIEWMANAGER_DISCONNECT_2, "msg: e_CX_VIEWMANAGER_DISCONNECT_SIGNALS 0"); |
|
644 CX_DEBUG_EXIT_FUNCTION(); |
|
645 } |
|
646 |
|
647 /*! |
|
648 * Connect signals to pre-capture view. |
|
649 */ |
|
650 void CxuiViewManager::connectPreCaptureSignals(CxuiPrecaptureView *view) |
|
651 { |
|
652 CX_DEBUG_ENTER_FUNCTION(); |
|
653 |
|
654 // Disconnect from the current, "old" view |
|
655 disconnectSignals(); |
|
656 |
|
657 // connecting pre-capture view signals to standby timer. |
|
658 connect(view, SIGNAL(startStandbyTimer()), this, SLOT(startStandbyTimer()), Qt::UniqueConnection); |
|
659 connect(view, SIGNAL(stopStandbyTimer()), this, SLOT(stopStandbyTimer()), Qt::UniqueConnection); |
|
660 connect(view, SIGNAL(changeToPrecaptureView()), this, SLOT(startStandbyTimer()), Qt::UniqueConnection); |
|
661 connect(view, SIGNAL(changeToPostcaptureView()), this, SLOT(stopStandbyTimer()), Qt::UniqueConnection); |
|
662 |
|
663 // connecting pre-capture view signals to viewmanager slots |
|
664 connect(view, SIGNAL(changeToPostcaptureView()), this, SLOT(changeToPostcaptureView()), Qt::UniqueConnection); |
|
665 connect(view, SIGNAL(changeToPrecaptureView()), this, SLOT(changeToPrecaptureView()), Qt::UniqueConnection); |
|
666 |
|
667 //connecting scene modes signal |
|
668 connect(view, SIGNAL(showScenesView()), this, SLOT(showScenesView()), Qt::UniqueConnection); |
|
669 |
|
670 connect(view, SIGNAL(switchCamera()), this, SLOT(switchCamera()), Qt::UniqueConnection); |
|
671 |
|
672 // connecting error signals from precapture view to application state. |
|
673 connect(view, SIGNAL(errorEncountered(CxeError::Id)), |
|
674 mApplicationState, SLOT(handleApplicationError(CxeError::Id)), |
|
675 Qt::UniqueConnection); |
|
676 |
|
677 // Standby signals |
|
678 connect(this, SIGNAL(normalStateEntered()), view, SLOT(exitStandby()), Qt::UniqueConnection); |
|
679 connect(this, SIGNAL(normalStateExited()), view, SLOT(enterStandby()), Qt::UniqueConnection); |
|
680 |
|
681 // connects all capture key signals. |
|
682 connectCaptureKeySignals(view); |
|
683 |
|
684 CX_DEBUG_EXIT_FUNCTION(); |
|
685 } |
|
686 |
|
687 /*! |
|
688 * Connect signals to post-capture view. |
|
689 */ |
|
690 void CxuiViewManager::connectPostCaptureSignals() |
|
691 { |
|
692 CX_DEBUG_ENTER_FUNCTION(); |
|
693 |
|
694 // Disconnect from the current, "old" view |
|
695 disconnectSignals(); |
|
696 |
|
697 CxuiView *view = mViews[POSTCAPTURE_VIEW]; |
|
698 if (view) { |
|
699 connect(view, SIGNAL(changeToPrecaptureView()), this, SLOT(changeToPrecaptureView()), Qt::UniqueConnection); |
|
700 |
|
701 // Standby signals |
|
702 connect(this, SIGNAL(normalStateEntered()), view, SLOT(exitStandby()), Qt::UniqueConnection); |
|
703 connect(this, SIGNAL(normalStateExited()), view, SLOT(enterStandby()), Qt::UniqueConnection); |
|
704 |
|
705 // connect necessary capturekey signals |
|
706 connectCaptureKeySignals(view); |
|
707 } |
|
708 CX_DEBUG_EXIT_FUNCTION(); |
|
709 } |
|
710 |
|
711 /*! |
|
712 * Connect signals to scene mode view. |
|
713 */ |
|
714 void CxuiViewManager::connectSceneModeSignals() |
|
715 { |
|
716 CX_DEBUG_ENTER_FUNCTION(); |
|
717 |
|
718 // Disconnect from the current, "old" view |
|
719 disconnectSignals(); |
|
720 |
|
721 CxuiView *view = mViews[SCENE_MODE_VIEW]; |
|
722 if (view) { |
|
723 // Standby signals for releasing camera |
|
724 connect(this, SIGNAL(normalStateEntered()), view, SLOT(exitStandby())); |
|
725 connect(this, SIGNAL(normalStateExited()), view, SLOT(enterStandby())); |
|
726 |
|
727 // Moving back to pre-capture view |
|
728 connect(view, SIGNAL(viewCloseEvent()), this, SLOT(changeToPrecaptureView())); |
|
729 |
|
730 connectCaptureKeySignals(view); |
|
731 } |
|
732 CX_DEBUG_EXIT_FUNCTION(); |
|
733 } |
|
734 |
|
735 /*! |
|
736 * Connect key handler capture key signals. |
|
737 */ |
|
738 void CxuiViewManager::connectCaptureKeySignals(CxuiView *view) |
|
739 { |
|
740 CX_DEBUG_ENTER_FUNCTION(); |
|
741 |
|
742 // Disconnect all existing capture key signals |
|
743 mKeyHandler->disconnect(); |
|
744 |
|
745 if (view) { |
|
746 // If the view class does not implement the named slot, the connect will fail |
|
747 // and output some warnings as debug prints. This is by design. |
|
748 connect(mKeyHandler, SIGNAL(autofocusKeyPressed()), view, SLOT(handleAutofocusKeyPressed())); |
|
749 connect(mKeyHandler, SIGNAL(autofocusKeyReleased()), view, SLOT(handleAutofocusKeyReleased())); |
|
750 connect(mKeyHandler, SIGNAL(captureKeyPressed()), view, SLOT(handleCaptureKeyPressed())); |
|
751 connect(mKeyHandler, SIGNAL(captureKeyReleased()), view, SLOT(handleCaptureKeyReleased())); |
|
752 } |
|
753 |
|
754 CX_DEBUG_EXIT_FUNCTION(); |
|
755 } |
|
756 |
|
757 /*! |
|
758 * Clears all camera activities from activity manager. |
|
759 */ |
|
760 void CxuiViewManager::clearAllActivities() |
|
761 { |
|
762 HbActivityManager *activityManager = mApplication.activityManager(); |
|
763 activityManager->removeActivity(CxuiActivityIds::STILL_PRECAPTURE_ACTIVITY); |
|
764 activityManager->removeActivity(CxuiActivityIds::STILL_POSTCAPTURE_ACTIVITY); |
|
765 activityManager->removeActivity(CxuiActivityIds::VIDEO_PRECAPTURE_ACTIVITY); |
|
766 activityManager->removeActivity(CxuiActivityIds::VIDEO_POSTCAPTURE_ACTIVITY); |
|
767 } |
|
768 |
|
769 /*! |
|
770 * Raise application to foreground if it's currently (fully) in background. |
|
771 */ |
|
772 void CxuiViewManager::toForeground() |
|
773 { |
|
774 CX_DEBUG_ENTER_FUNCTION(); |
|
775 |
|
776 if (mApplicationState->currentState() == CxuiApplicationState::Background) { |
|
777 // Bring to foreground and gain focus. |
|
778 CX_DEBUG(("CxuiViewManager - in background, bringing to foreground now.")); |
|
779 mMainWindow.raise(); |
|
780 mMainWindow.activateWindow(); |
|
781 } |
|
782 |
|
783 CX_DEBUG_EXIT_FUNCTION(); |
|
784 } |
|
785 |
|
786 // end of file |