diff -r 053c6c7c14f3 -r 0efa10d348c0 contentstorage/cahandler/app/src/caapphandler.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contentstorage/cahandler/app/src/caapphandler.cpp	Tue Aug 31 15:30:51 2010 +0300
@@ -0,0 +1,246 @@
+/*
+ * 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:  ?Description
+ *
+ */
+
+#include <QString>
+#include <e32base.h>
+#include <w32std.h>
+#include <apgtask.h>
+#include <apgcli.h>
+#include <eikenv.h>
+#include <eikappui.h>
+#include <vwsdef.h>
+#include <AknDef.h>
+#include <AknTaskList.h>
+
+#include <usif/usifcommon.h>
+#include <usif/scr/scr.h>
+
+#include <cadefs.h>
+#include <caentry.h>
+
+#include "caapphandler.h"
+#include "cainnerentry.h"
+#include "causifuninstalloperation.h"
+#include "catasklist.h"
+#include "cautils.h"
+#include "caclient_defines.h"
+#include "cadef.h"
+
+using namespace Usif;
+
+static const char caTypeApp[] = "application";
+static const char caTypePackage[] = "package";
+static const char caTypeWidget[] = "widget";
+static const char caAttrView[] = "view";
+static const char caCmdClose[] = "close";
+static const char caAttrWindowGroupId[] = "window_group_id";
+static const char caAttrComponentId[] = "component_id";
+
+/*!
+ *  Command handler for application entries.
+ *
+ *  \lib caclient.lib
+ */
+
+/*!
+ * Constructor.
+ */
+CaAppHandler::CaAppHandler(QObject *parent):
+    iEikEnv(CEikonEnv::Static()),
+    iUsifUninstallOperation(NULL)
+{
+    Q_UNUSED(parent);
+}
+
+/*!
+ * Destructor.
+ */
+CaAppHandler::~CaAppHandler()
+{
+    delete iUsifUninstallOperation;
+}
+
+/*!
+ * Execute a given command.
+ * \param entry a reference to a CaEntry instance.
+ * \param command a given command.
+ * \retval an error code.
+ */
+int CaAppHandler::execute(const CaEntry &entry, const QString &command)
+{
+    int result(KErrGeneral);
+    if (command == caCmdOpen && entry.entryTypeName() == caTypeApp) {
+        QString viewIdValue = entry.attribute(caAttrView);
+        bool viewIdIsCorrect(true);
+        int viewId(-1);
+        if (!viewIdValue.isNull()) {
+            viewId = viewIdValue.toInt(&viewIdIsCorrect, 0);
+        }
+        if (viewIdIsCorrect) {
+            QString uidValue =
+                entry.attribute(APPLICATION_UID_ATTRIBUTE_NAME);
+            int uid = uidValue.toInt();
+            TRAP(result, launchApplicationL(TUid::Uid(uid), viewId));
+        }
+    } else if (command == caCmdClose && entry.entryTypeName() == caTypeApp ) {
+        QString windowGroupId = entry.attribute(caAttrWindowGroupId);
+        if (!windowGroupId.isNull()) {
+            result = closeApplication(entry.flags(), windowGroupId.toInt());
+        }
+    } else if (command == caCmdRemove) {
+        QString componentId(entry.attribute(caAttrComponentId));
+        result = handleRemove(entry.flags(),
+            entry.entryTypeName(),
+            componentId);
+    } else {
+        result = KErrNotSupported;
+    }
+
+    return result;
+}
+
+/*!
+ * Launch application
+ * \param uid UID of the application to launch.
+ * \param viewId id of the view the application is to start in.
+ */
+void CaAppHandler::launchApplicationL(const TUid uid, TInt viewId)
+{
+    if (viewId > 0 && iEikEnv) {
+        TVwsViewId view(uid, TUid::Uid(viewId));
+        iEikEnv->EikAppUi()->ActivateViewL( view );
+    } else {
+        RWsSession wsSession;
+        User::LeaveIfError(wsSession.Connect());
+        CleanupClosePushL<RWsSession>(wsSession);
+
+        CCaTaskList* taskList = CCaTaskList::NewLC(wsSession);
+        TApaTask task = taskList->FindRootApp(uid);
+        CleanupStack::PopAndDestroy(taskList);
+
+        if (task.Exists()) {
+            task.BringToForeground();
+        } else {
+            // TApaAppInfo size is greater then 1024 bytes
+            // so its instances should not be created on the stack.
+            TApaAppInfo* appInfo = new(ELeave) TApaAppInfo;
+            CleanupStack::PushL(appInfo);
+            TApaAppCapabilityBuf capabilityBuf;
+            RApaLsSession appArcSession;
+            User::LeaveIfError(appArcSession.Connect());
+            CleanupClosePushL<RApaLsSession>(appArcSession);
+
+            User::LeaveIfError(appArcSession.GetAppInfo(*appInfo, uid));
+            User::LeaveIfError(appArcSession.GetAppCapability(
+               capabilityBuf, uid));
+
+            TApaAppCapability &caps = capabilityBuf();
+            CApaCommandLine *cmdLine = CApaCommandLine::NewLC();
+            cmdLine->SetExecutableNameL(appInfo->iFullName);
+
+            if (caps.iLaunchInBackground) {
+                cmdLine->SetCommandL(EApaCommandBackground);
+            } else {
+                cmdLine->SetCommandL(EApaCommandRun);
+            }
+
+            cmdLine->SetTailEndL(KNullDesC8);
+
+            User::LeaveIfError(appArcSession.StartApp(*cmdLine));
+
+            CleanupStack::PopAndDestroy(cmdLine);
+            CleanupStack::PopAndDestroy(&appArcSession);
+            CleanupStack::PopAndDestroy(appInfo);
+        }
+        CleanupStack::PopAndDestroy( &wsSession );
+    }
+}
+
+/*!
+ * Closes application.
+ * \param flags an entry flags.
+ * \param windowGroupId window group id.
+ * \retval an error code.
+ */
+int CaAppHandler::closeApplication(const EntryFlags &flags, int windowGroupId)
+{
+    int result(KErrNone);
+    if (flags.testFlag(RunningEntryFlag) && windowGroupId > 0) {
+        RWsSession wsSession;
+        result = wsSession.Connect();
+        if (result==KErrNone) {
+            TWsEvent event;
+            event.SetTimeNow();
+            event.SetType(KAknShutOrHideApp);
+            wsSession.SendEventToWindowGroup(windowGroupId, event);
+        }
+        wsSession.Close();
+    }
+    return result;
+}
+
+/*!
+ * Uninstall application.
+ * \param flags flags of the application which is to uninstall.
+ * \param typeName type name of the entry.
+ * \param componentId component id.
+ * \retval an error code.
+ */
+int CaAppHandler::handleRemove(const EntryFlags &flags,
+    const QString &typeName,
+    const QString &componentId)
+{
+    int result(KErrNone);
+    if (flags.testFlag(RemovableEntryFlag)) {
+        if (typeName == caTypeApp
+            || typeName == caTypePackage
+            || typeName == caTypeWidget) {
+            if(componentId.isNull()) {
+                result = KErrNotFound;
+            } else {
+                bool convertStatus(false);
+                int id = componentId.toInt(&convertStatus);
+                if (convertStatus) {
+                    TRAP(result, startUsifUninstallL(id));
+                } else {
+                    result = KErrGeneral;
+                }
+            }
+        }
+        else {
+            result = KErrNotSupported;
+        }
+    } else {
+        result = KErrAccessDenied;
+    }
+    return result;
+}
+
+/*!
+ * Start uninstall operation via usif.
+ * \param componentId component id.
+ */
+void CaAppHandler::startUsifUninstallL(TInt componentId)
+{
+    if (iUsifUninstallOperation && iUsifUninstallOperation->IsActive()) {
+        User::Leave( KErrInUse );
+    }
+    delete iUsifUninstallOperation;
+    iUsifUninstallOperation = NULL;
+    iUsifUninstallOperation = CCaUsifUninstallOperation::NewL(componentId);
+}
+