void
RenderFrameParent::BuildViewMap()
{
ViewMap newContentViews;
// BuildViewMap assumes we have a primary frame, which may not be the case.
if (GetRootLayer() && mFrameLoader->GetPrimaryFrameOfOwningContent()) {
// Some of the content views in our hash map may no longer be active. To
// tag them as inactive and to remove any chance of them using a dangling
// pointer, we set mContentView to NULL.
//
// BuildViewMap will restore mFrameLoader if the content view is still
// in our hash table.
for (ViewMap::const_iterator iter = mContentViews.begin();
iter != mContentViews.end();
++iter) {
iter->second->mFrameLoader = NULL;
}
mozilla::layout::BuildViewMap(mContentViews, newContentViews, mFrameLoader, GetRootLayer());
}
// Here, we guarantee that *only* the root view is preserved in
// case we couldn't build a new view map above. This is important because
// the content view map should only contain the root view and content
// views that are present in the layer tree.
if (newContentViews.empty()) {
newContentViews[FrameMetrics::ROOT_SCROLL_ID] =
FindViewForId(mContentViews, FrameMetrics::ROOT_SCROLL_ID);
}
mContentViews = newContentViews;
}
NS_IMETHODIMP
RenderFrameParent::BuildDisplayList(nsDisplayListBuilder* aBuilder,
nsSubDocumentFrame* aFrame,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
// We're the subdoc for <browser remote="true"> and it has
// painted content. Display its shadow layer tree.
nsDisplayList shadowTree;
ContainerLayer* container = GetRootLayer();
if (aBuilder->IsForEventDelivery() && container) {
nsRect bounds = aFrame->EnsureInnerView()->GetBounds();
ViewTransform offset =
ViewTransform(GetRootFrameOffset(aFrame, aBuilder), 1, 1);
BuildListForLayer(container, mFrameLoader, offset,
aBuilder, shadowTree, aFrame);
} else {
shadowTree.AppendToTop(
new (aBuilder) nsDisplayRemote(aBuilder, aFrame, this));
}
// Clip the shadow layers to subdoc bounds
nsPoint offset = aFrame->GetOffsetToCrossDoc(aBuilder->ReferenceFrame());
nsRect bounds = aFrame->EnsureInnerView()->GetBounds() + offset;
return aLists.Content()->AppendNewToTop(
new (aBuilder) nsDisplayClip(aBuilder, aFrame, &shadowTree,
bounds));
}
bool
UsdMtlxFileFormat::ReadFromString(
const SdfLayerBasePtr& layerBase,
const std::string& str) const
{
TRACE_FUNCTION();
SdfLayerHandle layer = TfDynamic_cast<SdfLayerHandle>(layerBase);
if (!TF_VERIFY(layer)) {
return false;
}
auto stage = UsdStage::CreateInMemory();
if (!_Read(stage,
[&str](mx::DocumentPtr d) {
mx::readFromXmlString(d, str);
})) {
return false;
}
layer->TransferContent(stage->GetRootLayer());
return true;
}
already_AddRefed<Layer>
RenderFrameParent::BuildLayer(nsDisplayListBuilder* aBuilder,
nsIFrame* aFrame,
LayerManager* aManager,
const nsIntRect& aVisibleRect)
{
NS_ABORT_IF_FALSE(aFrame,
"makes no sense to have a shadow tree without a frame");
NS_ABORT_IF_FALSE(!mContainer ||
IsTempLayerManager(aManager) ||
mContainer->Manager() == aManager,
"retaining manager changed out from under us ... HELP!");
if (mContainer && mContainer->Manager() != aManager) {
// This can happen if aManager is a "temporary" manager, or if the
// widget's layer manager changed out from under us. We need to
// FIXME handle the former case somehow, probably with an API to
// draw a manager's subtree. The latter is bad bad bad, but the
// the NS_ABORT_IF_FALSE() above will flag it. Returning NULL
// here will just cause the shadow subtree not to be rendered.
return nsnull;
}
if (mContainer) {
ClearContainer(mContainer);
}
ContainerLayer* shadowRoot = GetRootLayer();
if (!shadowRoot) {
mContainer = nsnull;
return nsnull;
}
NS_ABORT_IF_FALSE(!shadowRoot || shadowRoot->Manager() == aManager,
"retaining manager changed out from under us ... HELP!");
// Wrap the shadow layer tree in mContainer.
if (!mContainer) {
mContainer = aManager->CreateContainerLayer();
}
NS_ABORT_IF_FALSE(!mContainer->GetFirstChild(),
"container of shadow tree shouldn't have a 'root' here");
mContainer->InsertAfter(shadowRoot, nsnull);
AssertInTopLevelChromeDoc(mContainer, aFrame);
ViewTransform transform;
TransformShadowTree(aBuilder, mFrameLoader, aFrame, shadowRoot, transform);
mContainer->SetClipRect(nsnull);
if (mFrameLoader->AsyncScrollEnabled()) {
const nsContentView* view = GetContentView(FrameMetrics::ROOT_SCROLL_ID);
BuildBackgroundPatternFor(mContainer,
shadowRoot,
view->GetViewConfig(),
mBackgroundColor,
aManager, aFrame);
}
mContainer->SetVisibleRegion(aVisibleRect);
return nsRefPtr<Layer>(mContainer).forget();
}