protected internal override void onVisibilityChanged(android.view.View changedView
, int visibility)
{
base.onVisibilityChanged(changedView, visibility);
if (mSurface != null)
{
// When the view becomes invisible, stop updating it, it's a waste of CPU
// To cancel updates, the easiest thing to do is simply to remove the
// updates listener
if (visibility == VISIBLE)
{
mSurface.setOnFrameAvailableListener(mUpdateListener);
updateLayer();
}
else
{
mSurface.setOnFrameAvailableListener(null);
}
}
}
internal override android.view.HardwareLayer getHardwareLayer()
{
if (mLayer == null)
{
if (mAttachInfo == null || mAttachInfo.mHardwareRenderer == null)
{
return(null);
}
mLayer = mAttachInfo.mHardwareRenderer.createHardwareLayer(mOpaque);
mSurface = mAttachInfo.mHardwareRenderer.createSurfaceTexture(mLayer);
nSetDefaultBufferSize(mSurface, getWidth(), getHeight());
nCreateNativeWindow(mSurface);
mUpdateListener = new _OnFrameAvailableListener_315(this);
mSurface.setOnFrameAvailableListener(mUpdateListener);
if (mListener != null)
{
mListener.onSurfaceTextureAvailable(mSurface, getWidth(), getHeight());
}
}
applyUpdate();
applyTransformMatrix();
return(mLayer);
}
internal override android.view.HardwareLayer getHardwareLayer()
{
if (mLayer == null)
{
if (mAttachInfo == null || mAttachInfo.mHardwareRenderer == null)
{
return null;
}
mLayer = mAttachInfo.mHardwareRenderer.createHardwareLayer(mOpaque);
mSurface = mAttachInfo.mHardwareRenderer.createSurfaceTexture(mLayer);
nSetDefaultBufferSize(mSurface, getWidth(), getHeight());
nCreateNativeWindow(mSurface);
mUpdateListener = new _OnFrameAvailableListener_315(this);
mSurface.setOnFrameAvailableListener(mUpdateListener);
if (mListener != null)
{
mListener.onSurfaceTextureAvailable(mSurface, getWidth(), getHeight());
}
}
applyUpdate();
applyTransformMatrix();
return mLayer;
}