author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 02 Sep 2010 20:14:28 +0300 | |
changeset 56 | 01e205c615b9 |
parent 48 | 42ba2d16bf40 |
permissions | -rw-r--r-- |
48
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/* |
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* Copyright (c) 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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|
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|
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#include "cxefilesavethreaddesktop.h" |
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#include "cxeimagedataitem.h" // item |
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#include "cxutils.h" // debug |
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/*! |
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\class CxeFileSaveThreadDesktop |
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\brief Still image saving thread |
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*/ |
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// ======== MEMBER FUNCTIONS ======== |
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|
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CxeFileSaveThreadDesktop::CxeFileSaveThreadDesktop(QObject *parent) |
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: CxeFileSaveThread(parent), mExitThread(false), mExit(false) |
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{ |
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start(IdlePriority); |
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} |
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|
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CxeFileSaveThreadDesktop::~CxeFileSaveThreadDesktop() |
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{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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mMutex.lock(); |
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mExitThread = true; |
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mDataToSave.wakeOne(); |
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mMutex.unlock(); |
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|
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wait(); // until the thread has finished execution. |
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qDeleteAll(mDataList); // Ensure destruction |
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mDataList.clear(); |
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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|
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void CxeFileSaveThreadDesktop::save(CxeImageDataItem *data) |
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{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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// Ensure safe data adding. |
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// Saving thread will wait if needed, in read method, until mutex is unlocked |
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mMutex.lock(); |
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mDataList.append(data); |
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// Wake up saving thread if it's sleeping |
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mDataToSave.wakeOne(); |
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mMutex.unlock(); |
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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void CxeFileSaveThreadDesktop::handleVideoSaved(CxeError::Id status, const QString &filename) |
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{ |
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Q_UNUSED(status); |
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Q_UNUSED(filename); |
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} |
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void CxeFileSaveThreadDesktop::handleSnapshotReady(CxeError::Id status, const QImage &snapshot, const QString &filename) |
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{ |
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Q_UNUSED(status); |
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Q_UNUSED(snapshot); |
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Q_UNUSED(filename); |
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} |
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void CxeFileSaveThreadDesktop::handleSnapshotReady(CxeError::Id status, const QImage &snapshot, int id) |
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{ |
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Q_UNUSED(status); |
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Q_UNUSED(snapshot); |
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Q_UNUSED(id); |
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} |
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void CxeFileSaveThreadDesktop::read() |
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{ |
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mMutex.lock(); |
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mCount = mDataList.count(); |
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mExit = mExitThread; |
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mMutex.unlock(); |
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} |
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void CxeFileSaveThreadDesktop::run() |
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{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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CxeImageDataItem *item = NULL; |
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int i = 0; |
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// Check if there is data to save. |
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// There should not be any, because the thread is just contructed |
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read(); |
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|
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while (!mExit || i < mCount) { // Complete save before exit |
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CX_DEBUG(("CxeFileSaveThreadDesktop: index %d", i)); |
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106 |
// Wait data |
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107 |
if (!mExit && i >= mCount) { |
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108 |
// If there isn't any data to save, put the thread sleeping |
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109 |
CX_DEBUG(("CxeFileSaveThreadDesktop: set thread sleeping")); |
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110 |
mMutex.lock(); |
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111 |
//! @todo: read datalist count here before clearing, because there is some machine cycles after previous read |
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112 |
// Clear the datalist, since all items are saved |
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113 |
mDataList.clear(); |
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114 |
i = 0; |
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115 |
mDataToSave.wait(&mMutex); // waiting "wakeOne" |
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116 |
mMutex.unlock(); |
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117 |
CX_DEBUG(("CxeFileSaveThreadDesktop: woken up")); |
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118 |
} |
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119 |
|
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120 |
// There should be data now, because the thread is woken up |
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121 |
read(); |
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122 |
|
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123 |
if (i < mCount) { |
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124 |
item = mDataList[i]; |
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125 |
} else { |
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126 |
CX_DEBUG(("CxeFileSaveThreadDesktop: ERROR - woke up without data")); |
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127 |
continue; |
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128 |
} |
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129 |
|
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130 |
// Check that item is not saved already |
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131 |
if (item && item->state() == CxeImageDataItem::SavePending) { |
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132 |
item->save();// Error ignored since it is emitted from CxeImageDataItemSymbian |
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133 |
// Delete item, since we own it |
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134 |
delete item; |
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135 |
item = NULL; |
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136 |
} |
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137 |
|
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138 |
// Saving takes some seconds, there might be new data available. |
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139 |
read(); |
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140 |
++i; |
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141 |
} |
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142 |
|
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143 |
CX_DEBUG_EXIT_FUNCTION(); |
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144 |
} |