PassRefPtr<Image> MediaControlTextTrackContainerElement::createTextTrackRepresentationImage()
{
if (!hasChildNodes())
return nullptr;
Frame* frame = document().frame();
if (!frame)
return nullptr;
document().updateLayout();
auto renderer = this->renderer();
if (!renderer)
return nullptr;
if (!renderer->hasLayer())
return nullptr;
RenderLayer* layer = toRenderLayerModelObject(renderer)->layer();
float deviceScaleFactor = 1;
if (Page* page = document().page())
deviceScaleFactor = page->deviceScaleFactor();
IntRect paintingRect = IntRect(IntPoint(), layer->size());
OwnPtr<ImageBuffer> buffer(ImageBuffer::create(paintingRect.size(), deviceScaleFactor, ColorSpaceDeviceRGB));
if (!buffer)
return nullptr;
layer->paint(buffer->context(), paintingRect, PaintBehaviorFlattenCompositingLayers, nullptr, nullptr, RenderLayer::PaintLayerPaintingCompositingAllPhases);
return buffer->copyImage();
}
LayoutState::LayoutState(RenderObject* root)
: m_clipped(false)
, m_pageLogicalHeight(0)
, m_pageLogicalHeightChanged(false)
, m_columnInfo(0)
, m_next(0)
#ifndef NDEBUG
, m_renderer(root)
#endif
{
RenderObject* container = root->container();
// [SonyEricsson]: Check if container is null and in that case create an empty size
// to avoid a crash dereferencing a null pointer.
if (container) {
FloatPoint absContentPoint = container->localToAbsolute(FloatPoint(), false, true);
m_paintOffset = IntSize(absContentPoint.x(), absContentPoint.y());
} else {
m_paintOffset = IntSize();
}
if (container->hasOverflowClip()) {
RenderLayer* layer = toRenderBoxModelObject(container)->layer();
m_clipped = true;
m_clipRect = IntRect(toPoint(m_paintOffset), layer->size());
m_paintOffset -= layer->scrolledContentOffset();
}
}
LayoutState::LayoutState(LayoutState* prev, RenderBox* renderer, const IntSize& offset)
: m_next(prev)
#ifndef NDEBUG
, m_renderer(renderer)
#endif
{
ASSERT(m_next);
bool fixed = renderer->isPositioned() && renderer->style()->position() == FixedPosition;
if (fixed) {
// FIXME: This doesn't work correctly with transforms.
FloatPoint fixedOffset = renderer->view()->localToAbsolute(FloatPoint(), true);
m_offset = IntSize(fixedOffset.x(), fixedOffset.y()) + offset;
} else
m_offset = prev->m_offset + offset;
if (renderer->isRelPositioned()) {
if (renderer->hasLayer())
m_offset += renderer->layer()->relativePositionOffset();
} else if (renderer->isPositioned() && !fixed) {
if (RenderObject* container = renderer->container()) {
if (container->isRelPositioned() && container->isRenderInline())
m_offset += toRenderInline(container)->relativePositionedInlineOffset(renderer);
}
}
m_clipped = !fixed && prev->m_clipped;
if (m_clipped)
m_clipRect = prev->m_clipRect;
if (renderer->hasOverflowClip()) {
RenderLayer* layer = renderer->layer();
IntRect clipRect(toPoint(m_offset) + renderer->view()->layoutDelta(), layer->size());
if (m_clipped)
m_clipRect.intersect(clipRect);
else {
m_clipRect = clipRect;
m_clipped = true;
}
m_offset -= layer->scrolledContentOffset();
}
m_layoutDelta = m_next->m_layoutDelta;
// FIXME: <http://bugs.webkit.org/show_bug.cgi?id=13443> Apply control clip if present.
}
LayoutState::LayoutState(RenderObject* root)
: m_clipped(false)
, m_next(0)
#ifndef NDEBUG
, m_renderer(root)
#endif
{
RenderObject* container = root->container();
FloatPoint absContentPoint = container->localToAbsolute(FloatPoint(), false, true);
m_offset = IntSize(absContentPoint.x(), absContentPoint.y());
if (container->hasOverflowClip()) {
RenderLayer* layer = toRenderBoxModelObject(container)->layer();
m_clipped = true;
m_clipRect = IntRect(toPoint(m_offset), layer->size());
m_offset -= layer->scrolledContentOffset();
}
}
LayoutState::LayoutState(LayoutState* prev, RenderBox* renderer, const IntSize& offset, int pageLogicalHeight, bool pageLogicalHeightChanged, ColumnInfo* columnInfo)
: m_columnInfo(columnInfo)
, m_next(prev)
#ifndef NDEBUG
, m_renderer(renderer)
#endif
{
ASSERT(m_next);
bool fixed = renderer->isPositioned() && renderer->style()->position() == FixedPosition;
if (fixed) {
// FIXME: This doesn't work correctly with transforms.
FloatPoint fixedOffset = renderer->view()->localToAbsolute(FloatPoint(), true);
m_paintOffset = IntSize(fixedOffset.x(), fixedOffset.y()) + offset;
} else
m_paintOffset = prev->m_paintOffset + offset;
if (renderer->isPositioned() && !fixed) {
if (RenderObject* container = renderer->container()) {
if (container->isRelPositioned() && container->isRenderInline())
m_paintOffset += toRenderInline(container)->relativePositionedInlineOffset(renderer);
}
}
m_layoutOffset = m_paintOffset;
if (renderer->isRelPositioned() && renderer->hasLayer())
m_paintOffset += renderer->layer()->relativePositionOffset();
m_clipped = !fixed && prev->m_clipped;
if (m_clipped)
m_clipRect = prev->m_clipRect;
if (renderer->hasOverflowClip()) {
RenderLayer* layer = renderer->layer();
IntRect clipRect(toPoint(m_paintOffset) + renderer->view()->layoutDelta(), layer->size());
if (m_clipped)
m_clipRect.intersect(clipRect);
else {
m_clipRect = clipRect;
m_clipped = true;
}
m_paintOffset -= layer->scrolledContentOffset();
}
// If we establish a new page height, then cache the offset to the top of the first page.
// We can compare this later on to figure out what part of the page we're actually on,
if (pageLogicalHeight || m_columnInfo) {
m_pageLogicalHeight = pageLogicalHeight;
m_pageOffset = IntSize(m_layoutOffset.width() + renderer->borderLeft() + renderer->paddingLeft(),
m_layoutOffset.height() + renderer->borderTop() + renderer->paddingTop());
m_pageLogicalHeightChanged = pageLogicalHeightChanged;
} else {
// If we don't establish a new page height, then propagate the old page height and offset down.
m_pageLogicalHeight = m_next->m_pageLogicalHeight;
m_pageLogicalHeightChanged = m_next->m_pageLogicalHeightChanged;
m_pageOffset = m_next->m_pageOffset;
// Disable pagination for objects we don't support. For now this includes overflow:scroll/auto and inline blocks.
if (renderer->isReplaced() || renderer->scrollsOverflow())
m_pageLogicalHeight = 0;
}
if (!m_columnInfo)
m_columnInfo = m_next->m_columnInfo;
m_layoutDelta = m_next->m_layoutDelta;
// FIXME: <http://bugs.webkit.org/show_bug.cgi?id=13443> Apply control clip if present.
}
