author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 00:05:08 +0300 | |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#include <QApplication> |
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#include "cxutils.h" |
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#include "cxeengine.h" |
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#include "cxecameradevicecontrol.h" |
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#include "cxestillcapturecontrol.h" |
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#include "cxevideocapturecontrol.h" |
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#include "cxuiserviceprovider.h" |
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#include "cxesettings.h" |
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#include <xqaiwdecl.h> |
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CxuiServiceProvider* CxuiServiceProvider::mInstance = NULL; |
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/*! |
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* Constructor. |
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*/ |
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CxuiServiceProvider::CxuiServiceProvider(CxeEngine *engine) |
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: |
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XQServiceProvider("cxui." + XQI_CAMERA_CAPTURE), |
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mRequestIndex(-1), |
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mEngine(engine), |
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mRequestedMode(Cxe::ImageMode), |
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mCameraIndex(0), |
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mQuality(0), |
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mAllowModeSwitching(true), |
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mAllowQualityChange(true), |
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mAllowCameraSwitching(true), |
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mWindowTitle("") |
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{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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publishAll(); |
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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/*! |
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* Destructor. |
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*/ |
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CxuiServiceProvider::~CxuiServiceProvider() |
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{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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if (mRequestIndex != -1) { |
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CX_DEBUG(("Request still active...")); |
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// Complete request now, this will return error to client |
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completeRequest(mRequestIndex, QString()); |
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} |
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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|
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/*! |
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* Creates singleton instance of service provider. |
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*/ |
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void CxuiServiceProvider::create(CxeEngine* engine) |
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{ |
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if (mInstance == NULL) { |
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mInstance = new CxuiServiceProvider(engine); |
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} |
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} |
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/*! |
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* Returns singleton instance of service provider. |
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* |
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*/ |
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CxuiServiceProvider* CxuiServiceProvider::instance() |
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{ |
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return mInstance; |
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} |
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/*! |
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* Deletes singleton instance of service provider. |
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*/ |
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void CxuiServiceProvider::destroy() |
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{ |
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delete mInstance; |
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mInstance = NULL; |
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} |
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|
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/*! |
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* Returns true if camera is started by another application. |
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* |
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* "Embedded" in camera means that the camera is started as a service |
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* by another application using QtHighway. It doesn't necessarily |
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* mean that camera is actually embedded (=window groups chained). The |
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* distinction between embedded and non-embedded service is not relevant on |
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* camera side, it's more meaningful to the client app. |
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* |
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*/ |
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bool CxuiServiceProvider::isCameraEmbedded() |
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{ |
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return mInstance != NULL; |
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} |
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110 |
|
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111 |
/*! |
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* Returns camera mode requested by client. |
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*/ |
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Cxe::CameraMode CxuiServiceProvider::requestedMode() const |
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115 |
{ |
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return mRequestedMode; |
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} |
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118 |
|
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119 |
/*! |
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* Returns boolean to indicate whether client app allows camera mode switching. |
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121 |
*/ |
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bool CxuiServiceProvider::allowModeSwitching() const |
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123 |
{ |
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return mAllowModeSwitching; |
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} |
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126 |
|
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127 |
/*! |
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* Returns boolean to indicate whether client app allows image/video quality to be |
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* changed. |
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130 |
*/ |
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bool CxuiServiceProvider::allowQualityChange() const |
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132 |
{ |
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return mAllowQualityChange; |
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} |
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135 |
|
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136 |
/*! |
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* Returns boolean to indicate whether client app allows switching |
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* between primary and secondary camera. |
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139 |
*/ |
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bool CxuiServiceProvider::allowCameraSwitching() const |
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141 |
{ |
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return mAllowCameraSwitching; |
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} |
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144 |
|
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145 |
/*! |
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* Returns window title provided by client application. |
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*/ |
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QString CxuiServiceProvider::windowTitle() const |
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149 |
{ |
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return mWindowTitle; |
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} |
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152 |
|
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153 |
/*! |
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* Function that is called when request arrives. Sets up camera to requested state. |
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*/ |
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void CxuiServiceProvider::capture(int mode, const QVariantMap ¶meters) |
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157 |
{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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159 |
|
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if (mRequestIndex != -1) { |
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// only one request can be active at once |
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CX_DEBUG(("Request already active, ignoring")); |
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CX_DEBUG_EXIT_FUNCTION(); |
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return; |
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} |
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166 |
|
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// read options from map |
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if (!readParameters(parameters)) { |
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CX_DEBUG_EXIT_FUNCTION(); |
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return; |
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} |
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172 |
|
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if (mCameraIndex < 0 || mCameraIndex > 1) { |
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CX_DEBUG(("Invalid camera index")); |
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CX_DEBUG_EXIT_FUNCTION(); |
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return; |
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} |
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178 |
|
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CX_DEBUG(("Getting request info")); |
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XQRequestInfo info = requestInfo(); |
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|
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QString windowTitle = info.info(XQINFO_KEY_WINDOW_TITLE).toString(); |
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if (!windowTitle.isNull() && !windowTitle.isEmpty()) { |
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CX_DEBUG(("Got window title=%s", qPrintable(windowTitle))); |
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mWindowTitle = windowTitle; |
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} |
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mRequestIndex = setCurrentRequestAsync(); |
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188 |
|
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mEngine->cameraDeviceControl().switchCamera(static_cast<Cxe::CameraIndex> (mCameraIndex)); |
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190 |
|
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191 |
|
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if (mode == 0) { |
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CX_DEBUG(("Image capture requested")); |
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mRequestedMode = Cxe::ImageMode; |
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} |
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else { |
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CX_DEBUG(("Video capture requested")); |
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mRequestedMode = Cxe::VideoMode; |
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} |
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200 |
|
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if (mQuality == 1) { |
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// set image quality to lowest |
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int imageQualityIndex = mEngine->stillCaptureControl().supportedImageQualities().size() - 1; |
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CX_DEBUG(("Setting image quality to lowest, index=%d", imageQualityIndex)); |
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mEngine->settings().set(CxeSettingIds::IMAGE_QUALITY, imageQualityIndex); |
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206 |
|
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// set video quality to lowest |
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int videoQualityIndex = mEngine->videoCaptureControl().supportedVideoQualities().size() - 1; |
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CX_DEBUG(("Setting video quality to lowest, index=%d", videoQualityIndex)); |
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mEngine->settings().set(CxeSettingIds::VIDEO_QUALITY, videoQualityIndex); |
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} else if (mQuality == 2) { |
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// set image quality to highest |
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CX_DEBUG(("Setting image quality to highest, index=0")); |
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mEngine->settings().set(CxeSettingIds::IMAGE_QUALITY, 0); |
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// set video quality to highest |
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CX_DEBUG(("Setting video quality to highest, index=0")); |
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mEngine->settings().set(CxeSettingIds::VIDEO_QUALITY, 0); |
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} |
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mEngine->initMode(mRequestedMode); |
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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/*! |
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* Sends filename of captured image/video to client and exits camera app. |
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*/ |
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void CxuiServiceProvider::sendFilenameToClientAndExit(QString filename) |
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{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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if (mRequestIndex == -1) { |
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CX_DEBUG(("CxuiServiceProvider: no request in progress")); |
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QCoreApplication::instance()->quit(); |
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CX_DEBUG_EXIT_FUNCTION(); |
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return; |
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} |
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|
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connect(this, SIGNAL(returnValueDelivered()), QCoreApplication::instance(), SLOT(quit())); |
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CX_DEBUG(("CxuiServiceProvider: completing request")); |
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if (!completeRequest(mRequestIndex, QVariant(filename))) { |
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// if request completion fails call quit immediately because signal is not coming |
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CX_DEBUG(("completeRequest() failed, quitting now")); |
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QCoreApplication::instance()->quit(); |
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} |
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mRequestIndex = -1; |
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|
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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|
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/*! |
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* Helper function to read request parameters. |
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*/ |
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bool CxuiServiceProvider::readParameters(const QVariantMap& parameters) |
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{ |
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|
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CX_DEBUG_ENTER_FUNCTION(); |
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CX_DEBUG(("Reading parameters")); |
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bool ok; |
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mCameraIndex = parameters[XQCAMERA_INDEX].toInt(&ok); |
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if (!ok) { |
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CX_DEBUG(("Error reading parameter %s", XQCAMERA_INDEX.latin1())); |
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CX_DEBUG_EXIT_FUNCTION(); |
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return false; |
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} |
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mQuality = parameters[XQCAMERA_QUALITY].toInt(&ok); |
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if (!ok) { |
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CX_DEBUG(("Error reading parameter %s", XQCAMERA_QUALITY.latin1())); |
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CX_DEBUG_EXIT_FUNCTION(); |
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return false; |
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} |
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|
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// ignore possible errors on these parameters. default values will be false |
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mAllowModeSwitching = parameters[XQCAMERA_MODE_SWITCH].toBool(); |
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mAllowQualityChange = parameters[XQCAMERA_QUALITY_CHANGE].toBool(); |
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mAllowCameraSwitching = parameters[XQCAMERA_INDEX_SWITCH].toBool(); |
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|
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CX_DEBUG_EXIT_FUNCTION(); |
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return true; |
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} |
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