author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:03:46 +0300 | |
branch | RCL_3 |
changeset 23 | 61bc0f252b2b |
permissions | -rw-r--r-- |
23
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/* |
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* Copyright (c) 2009 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 <QString> |
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#include "cxutils.h" |
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#include "thumbnailmanager_qt.h" |
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/*! |
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* ThumbnailManager::ThumbnailManager |
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*/ |
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ThumbnailManager::ThumbnailManager(QObject* parentPtr) |
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: mTimer(this) |
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{ |
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Q_UNUSED(parentPtr); |
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mCurrentThumbnailId = 0; |
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mThumbnailManagerIds.clear(); |
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mTimer.setSingleShot(true); |
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connect(&mTimer, SIGNAL(timeout()), |
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this, SLOT(emulateThumbnailReady())); |
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} |
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/*! |
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* ThumbnailManager::~ThumbnailManager |
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*/ |
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ThumbnailManager::~ThumbnailManager() |
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{ |
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} |
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/*! |
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* create thumbnail for the given image/video file name and data. |
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*/ |
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int ThumbnailManager::getThumbnail(const QString& filename, void * clientData, int priority) |
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{ |
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CX_DEBUG_ENTER_FUNCTION(); |
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Q_UNUSED(priority); |
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int id = 0; |
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if (filename.isNull() || filename.isEmpty()) { |
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id = -1; |
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} else { |
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// generate thumbnail id |
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id = mCurrentThumbnailId; |
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mThumbnailManagerIds.append(mCurrentThumbnailId++); |
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} |
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// try emulating thumbnail ready |
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mTimer.start(1000); |
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CX_DEBUG_EXIT_FUNCTION(); |
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return id; |
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} |
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int ThumbnailManager::setThumbnail( const QImage& source, const QString& fileName, |
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void *clientData, int priority) |
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{ |
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Q_UNUSED(clientData); |
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Q_UNUSED(priority); |
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Q_UNUSED(source); |
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int status = KErrNone; |
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if (fileName.isNull() || fileName.isEmpty()) { |
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status = KErrNotFound; |
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} else { |
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// generate thumbnail id |
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mThumbnailManagerIds.append(mCurrentThumbnailId); |
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} |
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emit thumbnailReady(QPixmap(), clientData, mCurrentThumbnailId, status); |
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mCurrentThumbnailId++; |
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CX_DEBUG_EXIT_FUNCTION(); |
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return mCurrentThumbnailId; |
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} |
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/*! |
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* start canceling creating thumbnail operation |
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*/ |
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bool ThumbnailManager::cancelRequest(int id) |
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{ |
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return mThumbnailManagerIds.contains(id); |
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} |
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|
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|
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/*! |
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* slot that emulates thumbnail ready |
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*/ |
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void ThumbnailManager::emulateThumbnailReady() |
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{ |
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// get the current thumbnail id |
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int id = mCurrentThumbnailId - 1; |
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int status = KErrNone; |
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|
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if (id == -1) { |
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// if there are no valid thumbnails |
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status = KErrNotFound; |
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} |
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emit thumbnailReady(QPixmap(), 0, id, status); |
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} |
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