--- a/javauis/mmapi_akn/baseline/src/cmmasnapshot.cpp Thu Jul 15 18:31:06 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,248 +0,0 @@
-/*
-* Copyright (c) 2002-2007 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: This class takes snapshot and resizes bitmap if needed.
-*
-*/
-
-
-// INCLUDE FILES
-#include <jdebug.h>
-
-#include "cmmasnapshot.h"
-#include "mmmaguiplayer.h"
-#include "mmmasnapshotreadycallback.h"
-#include "mmmasnapshot.h"
-
-// CONSTANTS
-const TInt KIgnoreSize = -1;
-
-
-// CONSTRUCTION
-CMMASnapshot* CMMASnapshot::NewL(MMMAGuiPlayer* aGuiPlayer,
- MMMASnapshotReadyCallback& aCallBack)
-{
- CMMASnapshot* self = new(ELeave) CMMASnapshot(aGuiPlayer,
- aCallBack);
- CleanupStack::PushL(self);
- self->ConstructL();
- CleanupStack::Pop(); // self
- return self;
-}
-
-CMMASnapshot::~CMMASnapshot()
-{
- if (iScaler)
- {
- iScaler->Cancel();
- delete iScaler;
- }
- if (iEncoder)
- {
- iEncoder->Cancel();
- delete iEncoder;
- }
- delete iBitmap;
- delete iBuffer;
- delete iSettings;
-}
-
-void CMMASnapshot::ConstructL()
-{
- CActiveScheduler::Add(this);
- iScaler = CBitmapScaler::NewL();
-}
-
-CMMASnapshot::CMMASnapshot(MMMAGuiPlayer* aGuiPlayer,
- MMMASnapshotReadyCallback& aCallBack):
- CActive(EPriorityStandard),
- iEncoding(MMMASnapshot::EBitmap),
- iCallBack(aCallBack),
- iState(EIdle)
-{
- iGUIPlayer = aGuiPlayer;
-}
-
-void CMMASnapshot::TakeSnapShotL(const TDesC& aProperties)
-{
- // snapshot sequence is not finished
- __ASSERT_DEBUG(iState == EIdle, User::Invariant());
- // image buffer must be taken with ImageBuffer before taking new snapshot
- __ASSERT_DEBUG(iBuffer == NULL, User::Invariant());
-
- CMMAImageSettings* settings
- = TMMAParameterValidator::ValidateImagePropertiesL(aProperties);
- CleanupStack::PushL(settings);
-
- delete iSettings;
- CleanupStack::Pop(settings);
- iSettings = settings;
-
- // take snapshot from player. RunL is called when image is ready
- // or error occures
- iState = ETakingSnapshot;
- TSize snapshotSize(iSettings->iWidth, iSettings->iHeight);
- iEncoding = iGUIPlayer->SnapshoterL()->TakeSnapshotL(&iStatus,
- snapshotSize,
- *iSettings);
- SetActive();
-}
-
-HBufC8* CMMASnapshot::ImageBuffer()
-{
- // this must not be called when snapshot sequence is running
- __ASSERT_DEBUG(iState == EIdle, User::Invariant());
- HBufC8* buffer = iBuffer;
- // caller takes ownership of the buffer
- iBuffer = NULL;
- return buffer;
-}
-
-void CMMASnapshot::ResizeL()
-{
- iState = EResizing;
- TSize imageSize(iBitmap->SizeInPixels());
- if (iSettings->iWidth != KIgnoreSize)
- {
- imageSize.iWidth = iSettings->iWidth;
- }
- if (iSettings->iHeight != KIgnoreSize)
- {
- imageSize.iHeight = iSettings->iHeight;
- }
- if (imageSize == iBitmap->SizeInPixels())
- {
- // no user resizing needed, continue sequence
- EncodeL();
- }
- else
- {
- iScaler->Scale(&iStatus, *iBitmap, imageSize, EFalse);
- SetActive();
- }
-}
-
-void CMMASnapshot::EncodeL()
-{
- // CImageEncoder cannot be reused, so have to make it every time
- CImageEncoder* encoder = CImageEncoder::DataNewL(iBuffer, *iSettings->iMimeType);
- delete iEncoder;
- iEncoder = encoder;
-
- iState = EEncoding;
- iEncoder->Convert(&iStatus, *iBitmap, iSettings->iImageData);
- SetActive();
-}
-
-void CMMASnapshot::Completed(TInt aError)
-{
- iStatus = aError;
- iCallBack.SnapshotReady();
-}
-
-void CMMASnapshot::RunL()
-{
- if (iStatus != KErrNone)
- {
- // Error has occured, inform java side and change state
- iState = EIdle;
- Completed(iStatus.Int());
- return;
- }
-
- switch (iState)
- {
- case ETakingSnapshot:
- {
- DEBUG_INT("MMA::CMMASnapshot::RunL: iEncoding = %d", iEncoding);
- if (iEncoding == MMMASnapshot::EEncoded)
- {
- // take encoded image from player.
- // Ownership transfers to this class.
- iBuffer = iGUIPlayer->SnapshoterL()->SnapshotEncoded();
- if (!iBuffer)
- {
- // error has occured with taking image
- Completed(KErrNotFound);
- }
- // Image is ready, update internal state and inform listener
- // Encoded images are not resized
- iState = EIdle;
- Completed(KErrNone);
- }
- else
- {
- // take bitmap from player.
- // Ownership transfers to this class.
- iBitmap = iGUIPlayer->SnapshoterL()->SnapshotBitmap();
- if (!iBitmap)
- {
- // error has occured with taking image
- Completed(KErrNotFound);
- }
- // Continue to next state
- ResizeL();
- }
- break;
- }
- case EResizing:
- {
- // Continue to next state
- EncodeL();
- break;
- }
- case EEncoding:
- {
- delete iEncoder;
- iEncoder = NULL;
-
- delete iBitmap;
- iBitmap = NULL;
- iState = EIdle;
- // encoding is ready, inform listener
- Completed(KErrNone);
- break;
- }
- default:
- {
- // unknown state
- __ASSERT_DEBUG(EFalse, User::Invariant());
- }
- }
-}
-
-TInt CMMASnapshot::RunError(TInt aError)
-{
- // Reset state
- iState = EIdle;
- // Pass error code to observer
- Completed(aError);
-
- return KErrNone;
-}
-
-void CMMASnapshot::DoCancel()
-{
- // snapshot taking cannot be cancelled
- if (iScaler)
- {
- iScaler->Cancel();
- }
- if (iEncoder)
- {
- iEncoder->Cancel();
- }
- iState = EIdle;
-}
-
-// END OF FILE