--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tstaskmonitor/screenshotplugin/src/tsscreenshotplugin.cpp Fri Jun 11 13:58:37 2010 +0300
@@ -0,0 +1,176 @@
+/*
+* 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:
+*
+*/
+#include "tsscreenshotplugin.h"
+#include "tstaskmonitorglobals.h"
+#include <graphics/wsscreendevice.h>
+#include <s32mem.h>
+
+const TInt KMsgSize(5);
+const TInt KInvalidGroupId(~0);
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CTsScreenshotPlugin* CTsScreenshotPlugin::NewL()
+{
+ //no second step construction is required here
+ //window server will initialize plugin later
+ return new(ELeave)CTsScreenshotPlugin();
+}
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CTsScreenshotPlugin::ConstructL(MWsGraphicDrawerEnvironment& env,
+ const TGraphicDrawerId& id,
+ MWsClient& owner,
+ const TDesC8& /*data*/ )
+{
+ BaseConstructL(env, id, owner);
+ env.RegisterEventHandler(this,
+ this,
+ TWservCrEvent::EWindowGroupChanged |
+ TWservCrEvent::EDeviceOrientationChanged);
+ mWindowGroupId = KInvalidGroupId;
+}
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CTsScreenshotPlugin::~CTsScreenshotPlugin()
+{
+ Env().UnregisterEventHandler(this);
+ mCache.ResetAndDestroy();
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CTsScreenshotPlugin::DoDraw(MWsGc&, const TRect&, const TDesC8&) const
+{
+ //plugin is not a real drawer
+ //no implementation required
+}
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CTsScreenshotPlugin::HandleMessage(const TDesC8& msg)
+{
+ TRAP_IGNORE(HandleMessageL(msg));
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CTsScreenshotPlugin::HandleMessageL(const TDesC8& msg)
+{
+ TInt parsedMsg[KMsgSize];
+ RDesReadStream msgStream(msg);
+ for (TInt iter(0); iter < KMsgSize; ++iter) {
+ parsedMsg[iter] = msgStream.ReadInt32L();
+ }
+
+ if (RegisterScreenshotMessage == parsedMsg[0]) { //Screenshot registeration ACK
+ for(TInt iter(0); iter < mCache.Count(); ++iter) {
+ if (mCache[iter]->Handle() == parsedMsg[ScreenshotHandle + 1]) {
+ //bitmap is not needed no more
+ delete mCache[iter];
+ mCache.Remove(iter);
+ break;
+ }
+ }
+ }
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CTsScreenshotPlugin::DoHandleEvent(const TWservCrEvent& event)
+{
+ switch (event.Type()) {
+ case TWservCrEvent::EWindowGroupChanged:
+ if (KInvalidGroupId != mWindowGroupId) {
+ TakeScreenshot(mWindowGroupId);
+ }
+ mWindowGroupId = event.WindowGroupIdentifier();
+ break;
+ case TWservCrEvent::EDeviceOrientationChanged:
+ TakeScreenshot(mWindowGroupId);
+ break;
+ }
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CTsScreenshotPlugin::TakeScreenshot(TInt id)
+{
+ TRAP_IGNORE(TakeScreenshotL(id);)
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CTsScreenshotPlugin::TakeScreenshotL(TInt id)
+{
+ if(0 >= Env().ScreenCount()) {
+ User::Leave(KErrCorrupt);
+ }
+ const TInt screenId(0); //use local variable in case of changing screen selection policy
+ const MWsScreenConfig* const screenConfig =
+ Env().Screen(screenId)->ObjectInterface<MWsScreenConfig>();
+ const MWsScreenDevice* const screenDevice =
+ static_cast<MWsScreenDevice*>(Env().Screen(screenId)->ResolveObjectInterface(MWsScreenDevice::EWsObjectInterfaceId));
+
+ User::LeaveIfNull(screenConfig);
+ User::LeaveIfNull(screenDevice);
+
+ //prepare destination bitmap
+ CFbsBitmap *bitmap = new (ELeave) CFbsBitmap();
+ CleanupStack::PushL(bitmap);
+
+
+ User::LeaveIfError(bitmap->Create(screenConfig->SizeInPixels(),
+ screenConfig->DisplayMode()));
+
+ screenDevice->CopyScreenToBitmapL(bitmap,
+ screenConfig->SizeInPixels());
+
+
+ //prepare and send message
+ TInt msg[KMsgSize] = {RegisterScreenshotMessage};
+
+ msg[WindowsGroup + 1] = id;
+ msg[ScreenshotHandle + 1] = bitmap->Handle();
+ msg[Priority + 1] = Low;
+ msg[AdditionalParameters + 1] = 0; //unused
+
+ const TPckgC<TInt[sizeof(msg) / sizeof(TInt)]> buf(msg);
+
+ User::LeaveIfError(SendMessage(buf));
+
+ mCache.AppendL(bitmap);
+ CleanupStack::Pop(bitmap);
+
+}
+