--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/client/s60/src/tstaskmonitor_p.cpp Mon Sep 13 13:26:33 2010 +0300
@@ -0,0 +1,282 @@
+/*
+* Copyright (c) 2009 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 "tstaskmonitor_p.h"
+#include "tstaskmonitor.h"
+
+#include <eikenv.h>
+#include <fbs.h>
+#include <s32mem.h>
+
+#include <XQConversions>
+
+#include "tstaskmonitorclient.h"
+#include "tstask.h"
+#include "tstaskcontent.h"
+#include "tstaskchangeinfo.h"
+#include "tsutils.h"
+#include "tstaskmonitorhistory.h"
+using TaskSwitcher::CleanupResetAndDestroyPushL;
+
+TsTaskMonitorPrivate::TsTaskMonitorPrivate(TsTaskMonitor *q) : q_ptr(q), mClient(0), mWsSession(CEikonEnv::Static()->WsSession())
+{
+ QT_TRAP_THROWING(mClient = CTsTaskMonitorClient::NewL());
+ mClient->Subscribe(*this);
+}
+
+TsTaskMonitorPrivate::~TsTaskMonitorPrivate()
+{
+ mClient->CancelSubscribe();
+ delete mClient;
+}
+
+
+QList<TsTaskChange> TsTaskMonitorPrivate::changeList(bool fullList)
+{
+ QList<TsTaskChange> retVal;
+
+ QT_TRAP_THROWING (
+
+ HBufC8 *data = mClient->TasksContentLC();
+ if (data->Size() == 0) {
+ CleanupStack::PopAndDestroy(data);
+ return retVal;
+ }
+ TPtr8 dataPointer(data->Des());
+ RDesReadStream dataStream(dataPointer);
+ CleanupClosePushL(dataStream);
+
+ int count = dataStream.ReadInt32L();
+
+ QT_TRYCATCH_LEAVING(
+ QList< QSharedPointer<TsTaskContent> > taskList;
+ QList<TsTaskMonitorHistory> newTaskHistory;
+ for (int iter(0); iter < count; iter++) {
+ QSharedPointer<TsTaskContent> content(new TsTaskContent);
+ TsTaskMonitorHistory newHistoryItem = internalizeContentL(dataStream, content);
+ newHistoryItem.setOffset(iter);
+ newTaskHistory.append(newHistoryItem);
+ taskList.append(content);
+ }
+ if (fullList) {
+ mTaskHistory.clear();
+ }
+ QList<int> insertsList = findInserts(newTaskHistory);
+ QList<int> deletesList = findDeletes(newTaskHistory);
+ QList<TsTaskMonitorHistory> newMinusInserts;
+ if (insertsList.count() > 0 ) {
+ newMinusInserts = substractInsertsFromNew(insertsList, newTaskHistory);
+ } else {
+ newMinusInserts = newTaskHistory;
+ }
+ QList<TsTaskMonitorHistory> interimList;
+ if (deletesList.count() > 0 ) {
+ retVal.append(getDeletesChangeset(deletesList));
+ interimList = substractDeletesFromOld(deletesList);
+ } else {
+ interimList = mTaskHistory;
+ }
+ retVal.append(findMovesAndUpdates(newMinusInserts, taskList, interimList));
+ if (mTaskHistory.isEmpty()) {
+ retVal.append(TsTaskChange(TsTaskChangeInfo(), QSharedPointer<TsTask>()));
+ }
+ retVal.append(getInsertsChangeset(insertsList, taskList));
+ mTaskHistory = newTaskHistory;
+ )//QT_TRYCATCH_LEAVING
+ CleanupStack::PopAndDestroy(&dataStream);
+ CleanupStack::PopAndDestroy(data);
+ );//QT_TRAP_THROWING
+
+ return retVal;
+}
+
+TsTaskMonitorHistory TsTaskMonitorPrivate::internalizeContentL(RDesReadStream & dataStream,
+ QSharedPointer<TsTaskContent> &content)
+{
+ // get name
+ TInt nameLength(dataStream.ReadInt32L());
+ if (0 < nameLength) {
+ HBufC* name = HBufC::NewLC(dataStream, nameLength);
+ content->mName = XQConversions::s60DescToQString(*name);
+ CleanupStack::PopAndDestroy(name);
+ }
+ TPckgBuf<TTime> updateTime;
+ dataStream.ReadL(updateTime);
+ QDateTime historyTime = dateTimeFromS60(updateTime());
+
+ // get screenshot
+ TInt screenshotHandle = dataStream.ReadInt32L();
+ CFbsBitmap *screenshot = new (ELeave) CFbsBitmap;
+ CleanupStack::PushL(screenshot);
+ if (KErrNone == screenshot->Duplicate(screenshotHandle)) {
+ content->mScreenshot = QPixmap::fromSymbianCFbsBitmap(screenshot);
+ }
+ CleanupStack::PopAndDestroy(screenshot);
+ // get key
+ TInt keyLength(dataStream.ReadInt32L());
+ if (0 < keyLength) {
+ HBufC8* key = HBufC8::NewLC(keyLength);
+ TPtr8 des(key->Des());
+ dataStream.ReadL(des, keyLength);
+ content->mKey = XQConversions::s60Desc8ToQByteArray(*key);
+ CleanupStack::PopAndDestroy(key);
+ }
+ // get other values
+ content->mActive = dataStream.ReadInt32L();
+ content->mClosable = dataStream.ReadInt32L();
+ return TsTaskMonitorHistory(content->mKey, historyTime);
+}
+
+QDateTime TsTaskMonitorPrivate::dateTimeFromS60(const TTime &s60Time)
+{
+ TTime posixEpoch(_L("19700000:"));
+ TTimeIntervalSeconds secondsFrom;
+ TTimeIntervalMicroSeconds microSecondsFrom;
+ s60Time.SecondsFrom(posixEpoch, secondsFrom);
+ microSecondsFrom = s60Time.MicroSecondsFrom(posixEpoch);
+ QDateTime retVal = QDateTime::fromTime_t(secondsFrom.Int());
+ retVal = retVal.addMSecs((microSecondsFrom.Int64() % TInt64(1000000) ) / TInt64(1000));
+ return retVal;
+}
+
+int TsTaskMonitorPrivate::findItemIndex(
+ const QList<TsTaskMonitorHistory> &historyList,
+ const TsTaskMonitorHistory &item )
+{
+ for (int iter(0); iter < historyList.count(); iter++) {
+ if(historyList[iter].isEqual(item)) {
+ return iter;
+ }
+ }
+ return -1;
+}
+
+QList<int> TsTaskMonitorPrivate::findInserts(
+ const QList<TsTaskMonitorHistory> &newHistory)
+{
+ QList<int> retVal = QList<int>();
+ for (int iter(0); iter < newHistory.count(); iter++) {
+ if (findItemIndex(mTaskHistory, newHistory[iter]) == -1) {
+ retVal.append(iter);
+ }
+ }
+ return retVal;
+}
+
+QList<int> TsTaskMonitorPrivate::findDeletes(
+ const QList<TsTaskMonitorHistory> &newHistory)
+{
+ QList<int> retVal = QList<int>();
+ //iterate backwards to keep order during model operations
+ for (int iter(mTaskHistory.count() -1); iter >= 0 ; iter--) {
+ if (findItemIndex(newHistory, mTaskHistory[iter]) == -1) {
+ retVal.append(iter);
+ }
+ }
+ return retVal;
+}
+
+QList<TsTaskChange> TsTaskMonitorPrivate::getDeletesChangeset(
+ const QList<int> &deleteList)
+{
+ QList<TsTaskChange> retVal;
+ foreach (int index, deleteList) {
+ TsTaskChangeInfo deleteChange(TsTaskChangeInfo::KInvalidOffset,
+ index);
+ retVal.append(TsTaskChange(deleteChange, QSharedPointer<TsTask>()));
+ }
+ return retVal;
+}
+
+QList<TsTaskChange> TsTaskMonitorPrivate::getInsertsChangeset(const QList<int> &insertList,
+ const QList< QSharedPointer<TsTaskContent> > &taskList)
+{
+ QList<TsTaskChange> retVal;
+ foreach (int index, insertList) {
+ TsTaskChangeInfo insertChange(index,
+ TsTaskChangeInfo::KInvalidOffset);
+ retVal.append(TsTaskChange(
+ insertChange,
+ QSharedPointer<TsTask>(new TsTask(taskList[index], *this))));
+ }
+ return retVal;
+}
+
+QList<TsTaskMonitorHistory> TsTaskMonitorPrivate::substractInsertsFromNew(
+ const QList<int> &insertList,
+ const QList<TsTaskMonitorHistory> &newHistory )
+{
+ QList<TsTaskMonitorHistory> retVal(newHistory);
+ for ( int iter(insertList.count() - 1); iter >= 0 ; iter--) {
+ retVal.removeAt(insertList[iter]);
+ }
+ return retVal;
+}
+
+QList<TsTaskMonitorHistory> TsTaskMonitorPrivate::substractDeletesFromOld(
+ const QList<int> &deleteList)
+{
+ QList<TsTaskMonitorHistory> retVal(mTaskHistory);
+ for (int iter(0); iter < deleteList.count() ; iter++) {
+ retVal.removeAt(deleteList[iter]);
+ }
+ return retVal;
+}
+
+QList<TsTaskChange> TsTaskMonitorPrivate::findMovesAndUpdates(
+ const QList<TsTaskMonitorHistory> &newMinusInserts,
+ const QList< QSharedPointer<TsTaskContent> > &taskList,
+ QList<TsTaskMonitorHistory> &workingList)
+{
+ QList<TsTaskChange> retVal;
+ for (int newPos(0); newPos < newMinusInserts.count(); newPos++) {
+ //case 1 item has moved
+ int previousPos = findItemIndex(workingList, newMinusInserts[newPos]);
+ if (newPos != previousPos) {
+ TsTaskChangeInfo moveChange(newPos, previousPos);
+ retVal.append(
+ TsTaskChange(moveChange, QSharedPointer<TsTask>()));
+ workingList.move(previousPos, newPos);
+ }
+ // case 2 item has changed
+ if (newMinusInserts[newPos].isUpdated(workingList[newPos])) {
+ TsTaskChangeInfo updateChange(newPos, newPos);
+ int taskListOffset = newMinusInserts[newPos].offset();
+ retVal.append( TsTaskChange(
+ updateChange,
+ QSharedPointer<TsTask>(new TsTask(taskList[taskListOffset], *this))));
+ }
+ }
+ return retVal;
+}
+
+void TsTaskMonitorPrivate::HandleRunningAppChange()
+{
+ emit q_ptr->taskListChanged();
+}
+
+void TsTaskMonitorPrivate::openTask(const QByteArray &key)
+{
+ TPtrC8 desC(reinterpret_cast<const TUint8*>(key.constData()), key.length());
+ mClient->OpenTask(desC);
+
+}
+
+void TsTaskMonitorPrivate::closeTask(const QByteArray &key)
+{
+ TPtrC8 desC(reinterpret_cast<const TUint8*>(key.constData()), key.length());
+ mClient->CloseTask(desC);
+}