/*
* Copyright (c) 2002 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 implements FramePositioningControl for animation
*
*/
// INCLUDE FILES
#include <jdebug.h>
#include <e32base.h>
#include "MIHLImageViewer.h"
#include "cmmaanimationframepositioningcontrol.h"
CMMAAnimationFramePositioningControl*
CMMAAnimationFramePositioningControl::NewL(CMMAAnimationPlayer* aPlayer)
{
CMMAAnimationFramePositioningControl* self =
new(ELeave) CMMAAnimationFramePositioningControl(aPlayer);
return self;
}
CMMAAnimationFramePositioningControl::
CMMAAnimationFramePositioningControl(CMMAAnimationPlayer* aPlayer)
: CMMAFramePositioningControl(aPlayer), iPlayer(aPlayer)
{
DEBUG("MMA:CMMAAnimationFramePositioningControl::CMMAAnimationFramePositioningControl");
}
CMMAAnimationFramePositioningControl::~CMMAAnimationFramePositioningControl()
{
DEBUG("MMA:CMMAAnimationFramePositioningControl::~CMMAAnimationFramePositioningControl");
}
TInt CMMAAnimationFramePositioningControl::SeekL(TInt aFrameNumber)
{
DEBUG("CMMAAnimationFramePositioningControl::SeekL");
MIHLImageViewer* viewer = iPlayer->Viewer();
if (!viewer)
{
return KErrNotFound;
}
TInt frameNumber = FindFrame(viewer, aFrameNumber);
TInt64 mediaTime = iPlayer->MediaTimeForFrame(frameNumber);
// adjust wanted media time to get right frame (equal value returns one too small)
mediaTime++;
iPlayer->SetMediaTimeL(&mediaTime);
frameNumber = viewer->AnimationFrame();
return frameNumber;
}
TInt CMMAAnimationFramePositioningControl::SkipL(TInt aFramesToSkip)
{
DEBUG("CMMAAnimationFramePositioningControl::SkipL");
MIHLImageViewer* viewer = iPlayer->Viewer();
if (!viewer)
{
return KErrNotFound;
}
TInt frameNumber = viewer->AnimationFrame();
SeekL(frameNumber + aFramesToSkip);
// Calculate number of frames skipped
return viewer->AnimationFrame() - frameNumber;
}
void CMMAAnimationFramePositioningControl::MapFrameToTimeL(
TInt aFrameNumber,
TInt64* aMediaTime)
{
DEBUG("CMMAAnimationFramePositioningControl::MapFrameToTimeL");
MIHLImageViewer* viewer = iPlayer->Viewer();
if (!viewer || (aFrameNumber < 0) ||
(aFrameNumber >= viewer->AnimationFrameCount()))
{
*aMediaTime = KErrNotFound;
}
else
{
*aMediaTime = iPlayer->MediaTimeForFrame(aFrameNumber);
}
}
TInt CMMAAnimationFramePositioningControl::MapTimeToFrameL(
TInt64* aMediaTime)
{
DEBUG("CMMAAnimationFramePositioningControl::MapTimeToFrameL");
MIHLImageViewer* viewer = iPlayer->Viewer();
TInt64 duration;
iPlayer->GetDuration(&duration);
if (!viewer || (*aMediaTime < 0) ||
(duration == KErrNotFound))
{
return KErrNotFound;
}
return iPlayer->FindFrame(*aMediaTime);
}
TInt CMMAAnimationFramePositioningControl::FindFrame(MIHLImageViewer* aViewer, TInt aFrameNumber)
{
TInt frame = 0;
TInt count = aViewer->AnimationFrameCount();
if (aFrameNumber >= count)
{
frame = count - 1;
}
else if (aFrameNumber > 0)
{
frame = aFrameNumber;
}
return frame;
}
// END OF FILE