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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 #include <w32std.h> // RWindow, RWsSession. |
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18 #include <coemain.h> // CCoeEnv |
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19 #include <coecntrl.h> |
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20 #include "cxutils.h" |
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21 #include "cxecameradevicecontrolsymbian.h" // CxeCameraDevice |
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22 #include "cxuifakeviewfindercontrol.h" |
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23 #include "cxesettings.h" |
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24 #include "cxesettingsmappersymbian.h" |
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25 |
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26 |
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27 /* |
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28 * CxuiFakeViewfinderControl::CxuiFakeViewfinderControl |
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29 */ |
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30 CxuiFakeViewfinderControl::CxuiFakeViewfinderControl( |
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31 CxeCameraDevice &cameraDevice, |
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32 CxeCameraDeviceControlSymbian &cameraDeviceControl ) |
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33 : CxeViewfinderControlSymbian(cameraDevice, cameraDeviceControl), |
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34 mCameraDevice(cameraDevice), |
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35 mCameraDeviceControl(cameraDeviceControl), |
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36 mWindow(NULL), |
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37 mDirectViewfinder(NULL), |
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38 mDirectViewfinderInUse(true) |
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39 { |
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40 CX_DEBUG_IN_FUNCTION(); |
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41 } |
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42 |
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43 |
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44 |
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45 /* |
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46 * CxuiFakeViewfinderControl::~CxuiFakeViewfinderControl() |
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47 */ |
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48 CxuiFakeViewfinderControl::~CxuiFakeViewfinderControl() |
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49 { |
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50 CX_DEBUG_ENTER_FUNCTION(); |
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51 |
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52 stop(); |
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53 |
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54 CX_DEBUG_EXIT_FUNCTION(); |
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55 } |
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56 |
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57 |
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58 /* |
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59 * Stop viewfinder |
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60 */ |
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61 void CxuiFakeViewfinderControl::stop() |
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62 { |
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63 CX_DEBUG_ENTER_FUNCTION(); |
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64 |
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65 if (state() == Running) { |
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66 setState(Ready); |
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67 } |
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68 |
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69 CX_DEBUG_EXIT_FUNCTION(); |
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70 } |
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71 |
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72 |
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73 /** |
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74 * Start the viewfinder |
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75 */ |
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76 |
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77 int CxuiFakeViewfinderControl::start() |
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78 { |
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79 CX_DEBUG_ENTER_FUNCTION(); |
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80 TInt err = KErrNone; |
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81 |
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82 if (state() == Running) { |
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83 CX_DEBUG( ( "Viewfinder already running - ignored start()" ) ); |
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84 CX_DEBUG_EXIT_FUNCTION(); |
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85 return 0; |
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86 } |
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87 |
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88 if (state() == Uninitialized) { |
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89 err = initViewfinder(); |
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90 } |
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91 |
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92 // apply any settings here |
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93 |
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94 if (!err && state() == Ready) { |
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95 setState( Running ); |
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96 } |
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97 |
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98 CX_DEBUG(("CxuiFakeViewfinderControl::start symbian error code : %d", err)); |
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99 CX_DEBUG_EXIT_FUNCTION(); |
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100 return err; |
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101 } |
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102 |
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103 |
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104 /* |
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105 * Intialize the viewfinder based on the VF mode |
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106 */ |
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107 |
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108 int CxuiFakeViewfinderControl::initViewfinder() |
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109 { |
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110 CX_DEBUG_ENTER_FUNCTION(); |
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111 |
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112 // For now only direct vf. If there is any need for supporting other VF modes, condition checks |
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113 // and handling of new states are needed here. |
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114 setState(Ready); |
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115 |
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116 CX_DEBUG_EXIT_FUNCTION(); |
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117 return KErrNone; |
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118 } |
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119 |
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120 /* |
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121 * Release Vf, when we change mode or during shutdown or ? |
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122 */ |
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123 |
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124 void CxuiFakeViewfinderControl::releaseCurrentViewfinder() |
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125 { |
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126 CX_DEBUG_ENTER_FUNCTION(); |
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127 |
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128 setState(Uninitialized); |
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129 |
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130 CX_DEBUG_EXIT_FUNCTION(); |
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131 } |
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132 |
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133 CxeViewfinderControl::State CxuiFakeViewfinderControl::state() const |
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134 { |
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135 return static_cast<State>(stateId()); |
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136 } |
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137 |
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138 void CxuiFakeViewfinderControl::handleStateChanged(int newStateId, CxeError::Id error) |
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139 { |
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140 emit stateChanged(static_cast<State>(newStateId), error); |
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141 } |
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142 |
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143 // end of file |