--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/phoneuis/bubblemanager2/bubblecore/src/bubbleimagemanager_p.cpp Mon May 03 12:31:11 2010 +0300
@@ -0,0 +1,171 @@
+/*!
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#include <QtCore>
+#include "bubbleimagemanager_p.h"
+#include "bubbleimagemanager.h"
+#include <thumbnailmanager_qt.h>
+
+//#define BUBBLE_IMAGEMANAGER_DEBUG
+#if defined(BUBBLE_IMAGEMANAGER_DEBUG)
+ #define BUBBLE_QDEBUG( a )
+ #define BUBBLE_QDEBUG_2( a, b)
+#else
+ #define BUBBLE_QDEBUG( a )\
+ qDebug() << a;
+
+ #define BUBBLE_QDEBUG_2( a, b)\
+ qDebug() << a << b;
+#endif
+
+BubbleImageManagerPrivate::BubbleImageManagerPrivate(
+ BubbleImageManager* parent)
+ : q_ptr(parent),
+ mInitialized(false)
+{
+}
+
+BubbleImageManagerPrivate::~BubbleImageManagerPrivate()
+{
+}
+
+void BubbleImageManagerPrivate::initialize()
+{
+ mThumbnailManager = new ThumbnailManager(this);
+
+ mThumbnailManager->setMode(ThumbnailManager::Default);
+
+ mThumbnailManager->setQualityPreference(
+ ThumbnailManager::OptimizeForPerformance);
+
+ mThumbnailManager->setThumbnailSize(
+ ThumbnailManager::ThumbnailLarge);
+
+ connect(mThumbnailManager,
+ SIGNAL(thumbnailReady(QPixmap, void *, int, int)),
+ this,
+ SLOT(thumbnailReady(QPixmap, void *, int, int)));
+
+ mInitialized = true;
+}
+
+const QPixmap* BubbleImageManagerPrivate::pixmap(
+ const QString& imageFileName)
+{
+ if (mImageCache.contains(imageFileName)) {
+ return mImageCache.value(imageFileName);
+ } else {
+ return 0;
+ }
+}
+
+void BubbleImageManagerPrivate::loadImage(const QString& imageFileName)
+{
+ if (mImageCache.contains(imageFileName) ||
+ isLoading(imageFileName)) {
+ return;
+ }
+
+ if (!mInitialized) {
+ // connect to thumbnail server
+ initialize();
+ }
+
+ BUBBLE_QDEBUG_2("loading image: ", imageFileName);
+
+ QString* data = new QString(imageFileName);
+ int reqId = mThumbnailManager->getThumbnail(imageFileName, data);
+ mRequestQueue.enqueue(qMakePair(imageFileName,reqId));
+}
+
+void BubbleImageManagerPrivate::unloadImage(const QString& imageFileName)
+{
+ BUBBLE_QDEBUG_2("unloading image: ", imageFileName);
+
+ // returns null, if key doesn't exists
+ QPixmap* pixmap = mImageCache.take(imageFileName);
+ delete pixmap;
+
+ // cancel possible outstanding request
+ QMutableListIterator< QPair<QString,int> > requests(mRequestQueue);
+ while(requests.hasNext()) {
+ QPair<QString,int>& request = requests.next();
+
+ if (request.first==imageFileName) {
+ BUBBLE_QDEBUG_2("cancelling request: ", imageFileName);
+ mThumbnailManager->cancelRequest(request.second);
+ requests.remove();
+ break;
+ }
+ }
+}
+
+void BubbleImageManagerPrivate::releasePixmaps()
+{
+ BUBBLE_QDEBUG_2("releasing all pixmaps: ", mImageCache.count());
+
+ // release all cached pixmaps
+ QList<QPixmap*> pixmaps = mImageCache.values();
+ qDeleteAll(pixmaps);
+ mImageCache.clear();
+}
+
+void BubbleImageManagerPrivate::thumbnailReady(
+ const QPixmap& pixmap, void *data, int id, int error)
+{
+ QString* fileName = (QString*)data;
+
+ if (error==0 && fileName) {
+ QPixmap *p = new QPixmap(pixmap);
+ mImageCache.insert(*fileName,p);
+ emit q_ptr->pixmapReady(*fileName);
+ BUBBLE_QDEBUG_2("thumbnailReady: ", *fileName);
+ }
+
+ // request complete, remove it from queue
+ QMutableListIterator< QPair<QString,int> > requests(mRequestQueue);
+ while(requests.hasNext()) {
+ QPair<QString,int>& request = requests.next();
+ if (request.second==id) {
+ BUBBLE_QDEBUG_2("deleting completed request: ", *fileName);
+ requests.remove();
+ break;
+ }
+ }
+
+ delete fileName;
+}
+
+void BubbleImageManagerPrivate::thumbnailReady()
+{
+}
+
+bool BubbleImageManagerPrivate::isLoading(const QString& imageFileName) const
+{
+ bool loading = false;
+
+ QListIterator< QPair<QString,int> > requests(mRequestQueue);
+ while(requests.hasNext()) {
+ if (requests.next().first==imageFileName) {
+ loading = true;
+ break;
+ }
+ }
+
+ return loading;
+}
+