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/*
* Copyright 2012, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define LOG_TAG "BaseLayerAndroid"
#define LOG_NDEBUG 1
#include "config.h"
#include "BaseLayerAndroid.h"
#include "AndroidLog.h"
#include "FixedPositioning.h"
#include "GLWebViewState.h"
#include "LayerContent.h"
namespace WebCore {
// Note: this must match the use of ID 0 specifying the base layer in DrawExtra
#define BASE_UNIQUE_ID 0
BaseLayerAndroid::BaseLayerAndroid(LayerContent* content)
: LayerAndroid((RenderLayer*)0)
, m_color(Color::white)
{
if (content) {
setContent(content);
setSize(content->width(), content->height());
}
m_uniqueId = BASE_UNIQUE_ID;
}
void BaseLayerAndroid::getLocalTransform(SkMatrix* matrix) const
{
// base layer doesn't use size in transform calculation
matrix->preConcat(getMatrix());
}
IFrameLayerAndroid* BaseLayerAndroid::updatePosition(SkRect viewport,
IFrameLayerAndroid* parentIframeLayer)
{
if (viewport.fRight > getWidth() || viewport.fBottom > getHeight()) {
// To handle the viewport expanding past the layer's size with HW accel,
// expand the size of the layer, so that tiles will cover the viewport.
setSize(std::max(viewport.fRight, getWidth()),
std::max(viewport.fBottom, getHeight()));
}
return LayerAndroid::updatePosition(viewport, parentIframeLayer);
}
void BaseLayerAndroid::updatePositionsRecursive(const SkRect& visibleContentRect)
{
updateLayerPositions(visibleContentRect);
TransformationMatrix ident;
FloatRect clip(0, 0, 1e10, 1e10);
updateGLPositionsAndScale(ident, clip, 1, state()->scale());
}
ForegroundBaseLayerAndroid::ForegroundBaseLayerAndroid(LayerContent* content)
: LayerAndroid((RenderLayer*)0)
{
setIntrinsicallyComposited(true);
}
FixedBackgroundBaseLayerAndroid::FixedBackgroundBaseLayerAndroid(LayerContent* content)
: LayerAndroid((RenderLayer*)0)
{
if (content) {
setContent(content);
setSize(content->width(), content->height());
}
setIntrinsicallyComposited(true);
// TODO: add support for fixed positioning attributes
SkRect viewRect;
SkLength left, top, right, bottom;
left.setFixedValue(0);
top.setFixedValue(0);
right.setAuto();
bottom.setAuto();
SkLength marginLeft, marginTop, marginRight, marginBottom;
marginLeft.setAuto();
marginTop.setAuto();
marginRight.setAuto();
marginBottom.setAuto();
viewRect.set(0, 0, content->width(), content->height());
FixedPositioning* fixedPosition = new FixedPositioning(this);
setFixedPosition(fixedPosition);
fixedPosition->setFixedPosition(left, top, right, bottom,
marginLeft, marginTop,
marginRight, marginBottom,
IntPoint(0, 0), viewRect);
}
} // namespace WebCore
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