--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/server/src/tsdatalist.cpp Thu Sep 16 12:11:40 2010 +0100
@@ -0,0 +1,565 @@
+/*
+ * Copyright (c) 2008 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: File containing application list classes
+ *
+ */
+
+//INCLUDES:
+#include <mmf/common/mmfcontrollerpluginresolver.h> // for CleanupResetAndDestroyPushL
+#include <apgwgnam.h>
+#include <bitstd.h>
+#include <AknIconUtils.h> // avkon
+#include <apgicnfl.h> // fbsbitmap
+#include <AknIconSrvClient.h>
+#include <fbs.h>
+#include <apgwgnam.h>
+#include <QSizeF>
+#include <camenuiconutility.h>
+
+#include "tsdatalist.h"
+#include "tsentrykeygenerator.h"
+#include "tsscreenshotmsg.h"
+#include "tsunregscreenshotmsg.h"
+#include "tsvisibilitymsg.h"
+
+// size for the created app icons
+const TInt KAppIconWidth = 128;
+const TInt KAppIconHeight = 128;
+
+//uids to be hidden
+const TUid KHsApplicationUid = { 0x20022F35 };
+
+// ================= MEMBER FUNCTIONS =======================
+
+// --------------------------------------------------------------------------
+/**
+ * Two-phased constructor.
+ */
+CTsDataList* CTsDataList::NewL(MTsResourceManager& resources,
+ MTsWindowGroupsMonitor &monitor,
+ MTsDataObserver& observer)
+{
+ CTsDataList* self = new (ELeave) CTsDataList(resources, monitor, observer);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop(self);
+ return self;
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Constructor.
+ */
+CTsDataList::CTsDataList(MTsResourceManager& resources,
+ MTsWindowGroupsMonitor &monitor,
+ MTsDataObserver& observer)
+:
+ CTsWindowGroupsObserver(monitor),
+ mResources(resources),
+ mObserver(observer)
+{
+}
+
+// --------------------------------------------------------------------------
+/*
+ * Destructor
+ */
+CTsDataList::~CTsDataList()
+{
+ mData.ResetAndDestroy();
+ mVisibleData.Close();
+ mHiddenUids.Close();
+ RFbsSession::Disconnect();
+ RAknIconSrvClient::Disconnect();
+ delete mDefaultIcon;
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Performs 2nd phase construction.
+ */
+void CTsDataList::ConstructL()
+{
+ BaseConstructL();
+ mHiddenUids.AppendL(KHsApplicationUid);
+ User::LeaveIfError(RFbsSession::Connect());
+ RAknIconSrvClient::Connect();
+ mDefaultIcon = HbIcon2CFbsBitmapL(HbIcon("qtg_large_application"));
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Returns a reference to the current content.
+ * Also performs sanity checks, e.g. associates application icons
+ * when no screenshot has been received.
+ * @return ref to content array
+ */
+const RTsFswArray& CTsDataList::Data() const
+{
+ return mVisibleData;
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Interface implementation
+ * @see MTsWindowGroupsObserver HandleWindowGroupChanged
+ */
+void CTsDataList::HandleWindowGroupChanged(MTsResourceManager &,
+ const TArray<RWsSession::TWindowGroupChainInfo> &wgList)
+{
+ TRAP_IGNORE(RTsFswArray newAppsList;
+ CleanupResetAndDestroyPushL(newAppsList);
+ CollectAppsL(newAppsList, wgList);
+ FitDataToList(newAppsList);
+ CleanupStack::PopAndDestroy(&newAppsList);
+ );
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Adds running apps to the list.
+ * @param appsList array to add to
+ */
+void CTsDataList::CollectAppsL(RTsFswArray& appsList,
+ const TArray<RWsSession::TWindowGroupChainInfo> &wgList)
+{
+ for (TInt i = 0; i < wgList.Count(); ++i) {
+ TTsEntryKey key;
+ TInt err = TsEntryKeyGeneraror::Generate(key, wgList[i].iId, wgList);
+
+ //skip this entry if it is already on list or generate key failed
+ if (err!=KErrNone || FindEntry(appsList, key) >= 0) {
+ continue;
+ }
+
+ // get window group name
+ CApaWindowGroupName* windowName = CApaWindowGroupName::NewLC(mResources.WsSession(), key.WindowGroupId());
+ TUid appUid = windowName->AppUid();
+
+ // get screen number (-1=console, 0=main screen, 1=cover ui)
+ TInt appScreen = 0;
+ TInt scrNumErr = mResources.ApaSession().GetDefaultScreenNumber( appScreen, appUid );
+
+ if (appUid.iUid && !windowName->Hidden() && (appScreen == 0 || appScreen == -1) && scrNumErr == KErrNone ) {
+ AddEntryL(key, appUid, windowName, appsList);
+ }
+
+ CleanupStack::PopAndDestroy(windowName);
+ }
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Called from CollectTasksL for each entry in the task list.
+ * @param key entry key
+ * @param appUid application uid
+ * @param wgName window group name or NULL
+ * @param newList list to add to
+ */
+void CTsDataList::AddEntryL(const TTsEntryKey& key, const TUid& appUid,
+ CApaWindowGroupName* wgName, RTsFswArray& newList)
+{
+ CTsEntry* entry = CTsEntry::NewLC(key, mObserver);
+
+ // check if present in old list and if yes then take some of the old data
+ TBool found = ConsiderOldDataL(key);
+
+ // if not present previously then find out app name
+ // and check if screenshot is already available
+ if (!found) {
+ entry->SetAppUid(appUid);
+
+ HBufC* name = FindAppNameLC(wgName, appUid, key.WindowGroupId());
+ if (name) {
+ entry->SetAppNameL(*name);
+ }
+ CleanupStack::PopAndDestroy(name);
+
+ CFbsBitmap* iconBitmap = GetAppIconL(appUid);
+ //transfer ownership to entry
+ entry->SetAppIcon(iconBitmap);
+ }
+
+ if (wgName) {
+ entry->SetCloseableApp(!wgName->IsSystem());
+ }
+
+ // add to new list, ownership is transferred
+ newList.AppendL(entry);
+ CleanupStack::Pop(entry);
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Checks if there is an entry for same app in the content list.
+ * If yes then it takes some of the data for the entry that
+ * will correspond to the same app in the refreshed content list.
+ * @param key new key in content list
+ * @return ETrue if app was found
+ */
+TBool CTsDataList::ConsiderOldDataL(const TTsEntryKey& key)
+{
+ for (TInt entryIdx = 0, oldCount = mData.Count(); entryIdx < oldCount; ++entryIdx) {
+ if (mData[entryIdx]->Key() == key) {
+ return ETrue;
+ }
+ }
+ return EFalse;
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Finds out the application name.
+ * @param windowName window group name or NULL
+ * @param appUId application uid
+ * @param wgId window group id
+ * @return application name, ownership transferred to caller
+ */
+HBufC* CTsDataList::FindAppNameLC(CApaWindowGroupName* windowName, const TUid& appUid, TInt wgId)
+{
+ //Retrieve the app name
+ TApaAppInfo info;
+ mResources.ApaSession().GetAppInfo(info, appUid);
+ TPtrC caption = info.iShortCaption;
+
+ HBufC* tempName = 0;
+ if (!caption.Length() && windowName) // if not set - use thread name instead
+ {
+ if (windowName->Caption().Length()) {
+ tempName = windowName->Caption().AllocL();
+ //put on cleanupstack after the if
+ }
+ else {
+ TThreadId threadId;
+ TInt err = mResources.WsSession().GetWindowGroupClientThreadId(wgId, threadId);
+ if (err == KErrNone) {
+ RThread thread;
+ CleanupClosePushL(thread);
+ err = thread.Open(threadId);
+ if (err == KErrNone) {
+ tempName = thread.Name().AllocL(); // codescanner::forgottoputptroncleanupstack
+ // tempName put on cleanupstack after the if
+ }
+ CleanupStack::PopAndDestroy(&thread);
+ }
+ }
+ }
+ else {
+ tempName = caption.AllocL();
+ //put on cleanupstack after the if
+ }
+ CleanupStack::PushL(tempName);
+ return tempName;
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Fit existing class contained data list into give one.
+ * Data is being changed with application type consideration that is based
+ * on aConsiderWidgets param.
+ * Function removes or add entries into data depend on given list.
+ * @param listToFit list with actual data
+ */
+void CTsDataList::FitDataToList(RTsFswArray& listToFit)
+{
+ TBool changed = EFalse;
+ TInt listCount = listToFit.Count();
+ TInt dataCount = mData.Count();
+
+ //remove items that dont't exists in newly collected list
+ for (TInt i = dataCount - 1; i >= 0; --i) {
+ if (!CheckIfExists(*mData[i], listToFit)) {
+ delete mData[i];
+ mData.Remove(i);
+ changed = ETrue;
+ }
+ }
+ RArray<TTsEntryKey> allKeys;
+
+ //add new items at start
+ for (TInt i = listToFit.Count() - 1; i >= 0; --i) {
+ allKeys.Insert(listToFit[i]->Key(), 0);
+ if (!CheckIfExists(*listToFit[i], mData)) {
+ HideEntryIfNotAllowed(listToFit[i]);
+ mData.Insert(listToFit[i], 0);
+
+ TTime currentTimestamp;
+ currentTimestamp.UniversalTime();
+ mData[0]->SetTimestamp(currentTimestamp);
+
+ listToFit[i] = 0;
+ changed = ETrue;
+ }
+ }
+ //establish order
+ TBool orderChanged = EstablishOrder(allKeys);
+
+ //update entries data
+ TBool dataChanged = UpdateEntryData(listToFit);
+ RebuildVisibleDataListL();
+ if (changed || orderChanged || dataChanged) {
+ mObserver.DataChanged();
+ }
+ allKeys.Close();
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Checks if there is an entry for same app in the given list.
+ * @param entry entry
+ * @param newList ref to list
+ * @return ETrue if app was found
+ */
+
+TBool CTsDataList::CheckIfExists(const CTsEntry& entry, const RTsFswArray& list) const
+{
+ TBool exists(EFalse);
+ TInt pos = FindEntry(list, entry.Key());
+ if (pos >= 0) {
+ exists = ETrue;
+ }
+ return exists;
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Retrieves the bitmap for the icon of the given app.
+ * @param appUid application uid
+ * @return app CFbsBitmap
+ */
+CFbsBitmap* CTsDataList::GetAppIconL(const TUid& aAppUid)
+{
+ HbIcon icon = CaMenuIconUtility::getApplicationIcon(aAppUid.iUid, QSizeF(KAppIconWidth, KAppIconHeight));
+ CFbsBitmap* iconBitmap = HbIcon2CFbsBitmapL(icon);
+ if (!iconBitmap) {
+ iconBitmap = new(ELeave) CFbsBitmap;
+ TInt err = KErrNotFound;
+ if(mDefaultIcon) {
+ err = iconBitmap->Duplicate(mDefaultIcon->Handle());
+ }
+ if (KErrNone!=err) {
+ delete iconBitmap;
+ iconBitmap = NULL;
+ }
+ }
+ return iconBitmap;
+ }
+
+// --------------------------------------------------------------------------
+/**
+ * Converts HbIcon to CFbsBitmap
+ * @param icon icon to be coverted
+ * @return CFbsBitmap
+ */
+CFbsBitmap* CTsDataList::HbIcon2CFbsBitmapL(const HbIcon& icon)
+{
+ QIcon qicon = icon.qicon();
+ QPixmap pixmap = qicon.pixmap(QSize(KAppIconWidth, KAppIconHeight));
+ CFbsBitmap* retValue = NULL;
+ if (!pixmap.isNull()) {
+ retValue = pixmap.toSymbianCFbsBitmap();
+ }
+ return retValue;
+}
+// --------------------------------------------------------------------------
+TBool CTsDataList::isSupported(TInt function) const
+{
+ return (RegisterScreenshotMessage == function ||
+ UnregisterScreenshotMessage == function ||
+ VisibilityChange == function);
+}
+
+// --------------------------------------------------------------------------
+void CTsDataList::handleDataL(TInt function,RReadStream& dataStream)
+{
+ switch(function){
+ case RegisterScreenshotMessage:
+ registerScreenshotL(dataStream);
+ break;
+ case UnregisterScreenshotMessage:
+ unregisterScreenshotL(dataStream);
+ break;
+ case VisibilityChange:
+ changeVisibilityL(dataStream);
+ break;
+ }
+}
+
+// --------------------------------------------------------------------------
+void CTsDataList::registerScreenshotL(RReadStream& dataStream)
+{
+ CTsScreenshotMsg* msg = CTsScreenshotMsg::NewLC(dataStream);
+ const TInt pos = FindEntry(mData, GenerateKeyL(msg->windowGroupId()));
+ User::LeaveIfError(pos);
+ mData[pos]->SetScreenshotL(msg->screenshot(), msg->priority());
+ CleanupStack::PopAndDestroy(msg);
+}
+// --------------------------------------------------------------------------
+void CTsDataList::unregisterScreenshotL(RReadStream& dataStream)
+{
+
+ CTsUnregisterScreenshotMsg* msg = CTsUnregisterScreenshotMsg::NewLC(dataStream);
+ const TInt pos = FindEntry(mData, GenerateKeyL(msg->windowGroupId()));
+ User::LeaveIfError(pos);
+ mData[pos]->RemoveScreenshotL();
+ CleanupStack::PopAndDestroy(msg);
+}
+// --------------------------------------------------------------------------
+void CTsDataList::changeVisibilityL(RReadStream& dataStream)
+{
+ CTsVisibilitMsg* msg = CTsVisibilitMsg::NewLC(dataStream);
+ const TInt pos = FindEntry(mData, GenerateKeyL(msg->windowGroupId()));
+ User::LeaveIfError(pos);
+ msg->visibility() == mData[pos]->GetVisibility() ? User::Leave(KErrInUse) :
+ mData[pos]->SetVisibility(msg->visibility());
+ CleanupStack::PopAndDestroy(msg);
+ RebuildVisibleDataListL();
+ mObserver.DataChanged();
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Checks if given uid is on hidden list
+ * @param aUid uid to be checked
+ * @return ETrue if uid is on hidden list
+ */
+TBool CTsDataList::IsHiddenUid(TUid uid)
+{
+ return mHiddenUids.Find(uid) >= 0 ? ETrue : EFalse;
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Finds entry in array
+ * @param list list to find
+ * @param key finding key
+ * @return position or KErrNotFound
+ */
+TInt CTsDataList::FindEntry(const RTsFswArray& list, const TTsEntryKey& key) const
+{
+ TInt pos(KErrNotFound);
+ for (TInt entryIdx = 0; entryIdx < list.Count(); ++entryIdx) {
+ if (list[entryIdx]->Key() == key) {
+ pos = entryIdx;
+ break;
+ }
+ }
+ return pos;
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Establish entry order accridung to aKeyList, all keys MUST be in iData
+ * @param keyList reference key list
+ * @return ETrue if changes occured
+ */
+TBool CTsDataList::EstablishOrder(const RArray<TTsEntryKey>& keyList)
+{
+ TBool changed(EFalse);
+ TInt lastChangedItem(KErrNotFound);
+ __ASSERT_ALWAYS(mData.Count() == keyList.Count(), User::Panic(_L("EstablishOrder 1"), KErrBadHandle) );
+ for (TInt i = 0; i < keyList.Count(); i++) {
+ const TTsEntryKey& currentdataKey = mData[i]->Key();
+ const TTsEntryKey& referenceKey = keyList[i];
+ if (!(currentdataKey == referenceKey)) {
+ TInt foundPos = FindEntry(mData, referenceKey);
+ __ASSERT_ALWAYS(foundPos>=0, User::Panic(_L("EstablishOrder 2"), KErrBadHandle) );
+ CTsEntry* entry = mData[foundPos];
+ mData.Remove(foundPos);
+ mData.Insert(entry, i);
+ changed = ETrue;
+ lastChangedItem = i;
+ }
+ }
+
+ TTime currentTimestamp;
+ currentTimestamp.UniversalTime();
+ for (TInt i = lastChangedItem; i >= 0; --i) {
+ mData[i]->SetTimestamp(currentTimestamp);
+ }
+
+ return changed;
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Updates entry data on mData according to list
+ * @param list reference entires list
+ * @return ETrue if changes occured
+ */
+TBool CTsDataList::UpdateEntryData(const RTsFswArray& list)
+{
+ __ASSERT_ALWAYS(mData.Count() == list.Count(), User::Panic(_L("UpdateEntryData 1"), KErrBadHandle) );
+ TBool changed(EFalse);
+ for (TInt i=0; i<list.Count(); i++) {
+ if(list[i]) {
+ __ASSERT_ALWAYS(mData[i]->Key() == list[i]->Key(), User::Panic(_L("UpdateEntryData 12"), KErrBadHandle) );
+ if(mData[i]->CloseableApp() != list[i]->CloseableApp()) {
+ mData[i]->SetCloseableApp(list[i]->CloseableApp());
+ changed = ETrue;
+ }
+ }
+ }
+ return changed;
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Function generate task key using window group id
+ * @param wgId - window group id of running application
+ * @param entry key
+ */
+TTsEntryKey CTsDataList::GenerateKeyL(TInt wgId)
+{
+ RArray<RWsSession::TWindowGroupChainInfo> allWgIds;
+ CleanupClosePushL(allWgIds);
+ User::LeaveIfError(mResources.WsSession().WindowGroupList(0, &allWgIds));
+ TTsEntryKey key;
+ User::LeaveIfError(TsEntryKeyGeneraror::Generate(key, wgId, allWgIds.Array()));
+ CleanupStack::PopAndDestroy(&allWgIds);
+ return key;
+}
+
+// --------------------------------------------------------------------------
+/**
+ * Hides entrie if exist on mHiddenUids
+ * @param entry
+ */
+void CTsDataList::HideEntryIfNotAllowed(CTsEntry* entry)
+{
+ TUid uid = entry->AppUid();
+ if(mHiddenUids.Find(uid) >= 0) {
+ entry->SetVisibility(Invisible);
+ }
+
+}
+
+void CTsDataList::RebuildVisibleDataListL()
+{
+ mVisibleData.Reset();
+
+ RArray<TInt> visibleItems(mData.Count() ? mData.Count() : 1);
+ CleanupClosePushL(visibleItems);
+ for (TInt iter = 0; iter < mData.Count(); ++iter) {
+ if (Visible == mData[iter]->GetVisibility()) {
+ visibleItems.AppendL(iter);
+ }
+ }
+
+ for (TInt iter = 0; iter < visibleItems.Count(); ++iter) {
+ mVisibleData.AppendL(mData[visibleItems[iter]]);
+ }
+ CleanupStack::PopAndDestroy(&visibleItems);
+}
+// end of file