1 /* |
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2 * Copyright (c) 2007-2008 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: Base class for pre-capture views* |
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15 */ |
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16 |
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17 |
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18 #ifndef CAMPRECAPTUREVIEWBASE_H |
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19 #define CAMPRECAPTUREVIEWBASE_H |
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20 |
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21 #include <akntoolbarobserver.h> |
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22 #include <akntouchgesturefw.h> |
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23 #include <akntouchgesturefwobserver.h> |
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24 #include <akntouchgesturefwevents.h> |
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25 |
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26 #include "CamCaptureSetupViewBase.h" |
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27 |
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28 #include "CamControllerObservers.h" |
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29 #include "CamAppController.h" |
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30 |
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31 // FORWARD DECLARATION |
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32 class CCamCaptureSetupMenu; |
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33 class CCamStandbyContainer; |
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34 class MAknsSkinInstance; |
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35 class TAknsItemID; |
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36 class CAknButton; |
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37 |
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38 |
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39 using namespace AknTouchGestureFw; |
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40 // CLASS DECLARATION |
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41 |
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42 /** |
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43 * Base class for precapture views |
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44 * |
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45 * @since 2.8 |
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46 */ |
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47 class CCamPreCaptureViewBase : public CCamCaptureSetupViewBase, |
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48 public MCamControllerObserver, |
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49 public MAknToolbarObserver, |
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50 public MAknTouchGestureFwObserver |
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51 { |
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52 public: // Constructors and destructor |
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53 |
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54 /** |
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55 * Destructor. |
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56 * @since 2.8 |
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57 */ |
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58 virtual ~CCamPreCaptureViewBase(); |
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59 |
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60 public: // Functions from base classes |
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61 |
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62 /** |
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63 * From CAknView Handle commands |
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64 * @since 2.8 |
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65 * @param aCommand command to be handled |
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66 */ |
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67 void HandleCommandL( TInt aCommand ); |
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68 |
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69 /** |
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70 * From CAknView Handles the foreground/background event |
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71 * @since 2.8 |
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72 * @param aForeground ETrue if this view is on foreground, else EFalse. |
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73 */ |
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74 void HandleForegroundEventL( TBool aForeground ); |
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75 |
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76 /** |
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77 * From MCamControllerObserver |
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78 * @since 2.8 |
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79 * @param aEvent The enumerated code for the event received |
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80 * @param aError The error code associated with the event |
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81 */ |
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82 void HandleControllerEventL( TCamControllerEvent aEvent, |
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83 TInt aError ); |
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84 |
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85 /** |
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86 * From CAknView. |
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87 * @since 2.8 |
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88 * @param aPreViewId the ID for previous view we are switching from |
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89 * @param aCustomMessageId the Uid for message passed to this view |
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90 * @param aCustomMessage descriptor containing data content for view specific message |
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91 */ |
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92 void DoActivateL( const TVwsViewId& aPreViewId, TUid aCustomMessageId, |
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93 const TDesC8& aCustomMessage ); |
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94 /** |
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95 * From CAknView. |
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96 * @since 2.8 |
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97 */ |
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98 void DoDeactivate(); |
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99 |
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100 /** |
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101 * From CCamViewBase |
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102 * Handle change of focus to another application |
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103 * This only handles another application coming to the foreground when |
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104 * the camera application is already in the background behind an eikon |
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105 * server window |
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106 * @since 2.8 |
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107 */ |
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108 void HandleFocusLossL(); |
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109 |
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110 /** |
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111 * From CCamCaptureSetupViewBase |
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112 * Revert to normal mode |
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113 * @since 2.8 |
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114 */ |
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115 virtual void ExitAllModesL(); |
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116 |
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117 /** |
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118 * Gesture events are subscribed once the containers are constructed by |
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119 * derived class. |
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120 */ |
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121 void CreateContainerL(); |
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122 |
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123 /** |
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124 * Gesture event notifications are received in this function. |
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125 */ |
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126 void HandleTouchGestureL( MAknTouchGestureFwEvent& aEvent ); |
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127 |
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128 public: // New functions |
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129 |
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130 /** |
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131 * From CCamCaptureSetupViewBase |
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132 * Return the active setting mode |
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133 * @since 2.8 |
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134 * @return the active setting mode |
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135 */ |
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136 TCamSettingMode ActiveSettingMode(); |
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137 |
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138 /** |
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139 * AppUi calls this to notify views of focusgained and focuslost |
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140 * events. |
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141 */ |
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142 void HandleAppEvent( const TCamAppEvent& aEvent ); |
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143 |
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144 /** |
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145 * Sets a flag to true to indicate that access point dialog is shown and |
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146 * viewfinder needs to be restarted. |
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147 */ |
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148 void SetLocationTrailConnecting(); |
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149 |
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150 /** |
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151 * AppUi calls this to indicate if postcapture view will be visible |
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152 * in near future. |
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153 */ |
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154 void SetPostCaptureViewAsumption( TBool aAssumePostCaptureView ); |
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155 |
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156 /** |
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157 * Try to start the capture with MSK command. |
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158 * @since 9.1 |
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159 * @return ETrue if started. |
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160 */ |
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161 virtual TBool StartMskCaptureL() = 0; |
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162 |
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163 |
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164 /** |
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165 * Getter for iCaptureSetupModeActive |
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166 * @since 9.2 |
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167 * @return iCaptureSetupModeActive |
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168 */ |
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169 TBool IsSetupModeActive(); |
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170 |
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171 protected: // Functions from base classes |
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172 |
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173 /** |
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174 * From CCamPreCaptureViewBase |
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175 * Set the menu bar resource. |
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176 */ |
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177 virtual void SetMenuBar() = 0; |
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178 |
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179 /** |
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180 * From CCamCaptureSetupViewBase |
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181 * Switches the current mode to capture setup and activates a |
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182 * specific control. |
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183 * @since 2.8 |
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184 * @param aSetupCommand that specifies which setup control type to activate. |
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185 */ |
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186 void SwitchToCaptureSetupModeL( TInt aSetupCommand ); |
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187 |
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188 /** |
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189 * From CCamCaptureSetupViewBase |
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190 * Switches the current mode to scene setting and activates a |
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191 * specific control. |
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192 * @since 2.8 |
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193 */ |
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194 void SwitchToSceneSettingModeL(); |
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195 |
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196 /** |
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197 * From CCamCaptureSetupViewBase |
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198 * Exits capture setup mode and activates the capture setup menu control. |
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199 * @since 2.8 |
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200 */ |
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201 void ExitCaptureSetupModeL(); |
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202 |
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203 /** |
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204 * From CCamCaptureSetupViewBase |
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205 * Exits scene setting mode and activates the capture setup menu control. |
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206 * @since 2.8 |
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207 */ |
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208 void ExitSceneSettingModeL(); |
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209 |
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210 /** |
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211 * From CCamCaptureSetupViewBase |
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212 * Exits scene setting mode and activates the capture setup menu control. |
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213 * @since 2.8 |
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214 */ |
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215 void ExitInfoListBoxL(); |
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216 |
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217 /** |
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218 * Returns whether the view is a precapture view or not |
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219 * @since 3.0 |
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220 * @returns ETrue |
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221 */ |
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222 virtual TBool IsPreCapture(); |
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223 |
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224 /** |
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225 * Update fixed toolbar icons according to current settings |
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226 * @since S60 5.0 |
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227 */ |
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228 virtual void UpdateToolbarIconsL() = 0; |
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229 /** |
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230 * Redraws the toolbar and toolbarextension if visible |
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231 * @since S60 5.1 |
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232 */ |
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233 virtual void RedrawToolBar(); |
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234 |
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235 /** |
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236 * Returns the toolbar button by id from either the toolbar or toolbar extension |
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237 * @param aCommandId CommandId correpsonding to the button |
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238 * @returns the button or NULL |
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239 * @since S60 5.1 |
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240 */ |
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241 CAknButton* ToolbarButtonById(const TCamCmd aCommandId) const; |
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242 |
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243 public: |
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244 |
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245 /** |
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246 * Hides a toolbar/extension icon |
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247 * @param aCommandId CommandId correpsonding to the button |
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248 * @returns void |
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249 * @since S60 5.1 |
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250 */ |
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251 virtual void HideButton(const TCamCmd aCommandId); |
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252 |
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253 protected: // New functions |
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254 |
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255 /** |
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256 * C++ default constructor. |
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257 * @param aController Reference to either the application controller |
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258 * base class or test base class |
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259 * @since 2.8 |
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260 */ |
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261 CCamPreCaptureViewBase( CCamAppController& aController ); |
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262 |
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263 /** |
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264 * Symbian 2nd phase constructor. |
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265 * @since 2.8 |
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266 */ |
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267 void ConstructL(); |
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268 |
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269 /** |
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270 * Enter Viewfinder mode |
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271 * @since 2.8 |
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272 */ |
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273 virtual void StartViewFinder() = 0; |
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274 |
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275 /** |
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276 * Exit Viewfinder mode |
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277 * @since 2.8 |
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278 */ |
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279 virtual void StopViewFinder() = 0; |
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280 |
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281 /** |
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282 * Switch from current mode to standby mode |
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283 * @since 2.8 |
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284 * @param aViewId the current view id |
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285 * @param aError associated error code |
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286 */ |
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287 void SwitchToStandbyModeL( TCamAppViewIds aViewId, TInt aError ); |
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288 |
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289 /** |
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290 * Exit standby mode and return to previous capture mode |
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291 * @since 2.8 |
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292 */ |
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293 void ExitStandbyModeL(); |
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294 |
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295 #if 0 |
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296 /** |
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297 * Check whether the ok options menu can be displayed |
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298 * @since 2.8 |
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299 * @return ETrue if the menu can be displayed, else EFalse |
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300 */ |
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301 TBool IsOkOptionsMenuAllowed(); |
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302 #endif // 0 |
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303 |
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304 /** |
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305 * Stop the viewfinder and inform the controller that the engine is |
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306 * no longer required by this view |
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307 * @since 2.8 |
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308 */ |
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309 void ReleaseResources(); |
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310 |
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311 /** |
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312 * Switches the current mode to capture setup menu and activates |
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313 * the capture setup menu control. |
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314 * @since 2.8 |
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315 */ |
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316 void SwitchToCaptureSetupMenuModeL(); |
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317 |
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318 /** |
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319 * Exits capture setup menu mode and activates the original precapture |
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320 * view container that was active before entering this mode. |
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321 * @since 2.8 |
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322 */ |
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323 void ExitCaptureSetupMenuModeL(); |
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324 |
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325 /** |
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326 * Creates a capture setup menu. Derived classes should create |
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327 * either a video or photo menu, depending on the class type. |
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328 * @since 2.8 |
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329 */ |
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330 virtual void CreateCaptureSetupMenuL() = 0; |
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331 |
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332 /** |
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333 * Removes the capture setup menu and original container from |
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334 * the container stack. |
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335 * @since 2.8 |
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336 */ |
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337 void RemoveCaptureSetupMenuContainers(); |
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338 |
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339 /** |
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340 * Set the icon of a toolbar button |
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341 * @since S60 5.0 |
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342 * @param aButton The button whose icon is to be changed. |
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343 * @param aIconFilename Full path to the MBM/MIF file |
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344 * @param aIconId Icon ID in MBM/MIF file |
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345 * @param aMaskId Mask ID in MBM/MIF file |
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346 * @param aSkinInstance Current skin instance |
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347 * @param aSkinItemId Skin ID for the button graphic |
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348 * |
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349 */ |
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350 void SetIconL( |
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351 CAknButton* aButton, |
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352 const TDesC& aIconFilename, |
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353 TInt aIconId, |
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354 TInt aMaskId, |
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355 MAknsSkinInstance* aSkinInstance, |
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356 const TAknsItemID& aSkinItemId ); |
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357 |
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358 /** |
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359 * Initialise the switch camera menu item, used from |
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360 * DynInitMenuPaneL() |
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361 * @since 3.0 |
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362 * @param aMenuPane The menu pane to initialise |
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363 */ |
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364 void DynInitSwitchCameraMenuItemL( CEikMenuPane* aMenuPane ); |
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365 |
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366 // from base class MAknToolbarObserver |
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367 |
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368 void OfferToolbarEventL( TInt aCommand ); |
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369 |
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370 private: // new functions |
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371 |
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372 /** |
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373 * Cleans up the capture setup menu if a leave occurs |
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374 * while switching to capture setup menu mode |
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375 * @param aAny pointer to the object to cleanup |
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376 * @since 2.8 |
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377 */ |
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378 static void CleanupCaptureSetupMenu( TAny* aAny ); |
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379 |
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380 /** |
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381 * Helper method to setup the Active Palette. |
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382 * If needed, the AP is created. |
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383 * For existing AP, the items are first cleared. |
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384 * New items are set with resource from GetAPResourceId. |
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385 */ |
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386 void SetupActivePaletteL(); |
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387 |
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388 protected: // data |
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389 |
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390 // An extra container that the view uses when in capture setup menu mode. |
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391 CCamCaptureSetupMenu* iCaptureSetupMenuContainer; |
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392 |
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393 // Used to determine when the view is in capture setup mode |
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394 TBool iCaptureSetupMenuModeActive; |
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395 |
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396 // Used to determine which capture setup menu item to select |
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397 // when a capture setup control is exited. |
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398 TInt iCaptureSetupMenuLastItemIndex; |
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399 |
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400 |
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401 // Indicates that the application has lost the foreground but has not |
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402 // released the resources |
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403 TBool iContinueInBackground; |
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404 |
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405 // Indicates if the view was told to initiate standby mode from |
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406 // activation |
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407 TBool iActivateToStandby; |
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408 |
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409 // Indicates if the view was told to exit to standby mode from |
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410 // the current mode |
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411 TBool iDeactivateToStandby; |
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412 |
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413 // Indicates if toolbar extension should be invisible when returning |
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414 // precapture view |
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415 TBool iToolbarExtensionInvisible; |
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416 |
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417 // Asumption that next view is postcaptureview. If true don't start |
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418 // viewfinder if coming to foreground from background. |
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419 TBool iAssumePostCaptureView; |
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420 |
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421 TBool iLocationTrailConnecting; |
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422 |
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423 // Gesture related |
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424 CAknTouchGestureFw *iGestureFw; |
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425 TInt iLastMovement; |
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426 }; |
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427 |
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428 #endif // CAMPRECAPTUREVIEWBASE_H |
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429 |
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430 // End of File |
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