mirror of
https://github.com/classilla/tenfourfox.git
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193 lines
4.5 KiB
C++
193 lines
4.5 KiB
C++
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsIStyleRuleProcessor.h"
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#include "nsIDocument.h"
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#include "nsIContent.h"
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#include "nsIServiceManager.h"
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#include "nsXBLResourceLoader.h"
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#include "nsXBLPrototypeResources.h"
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#include "nsXBLPrototypeBinding.h"
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#include "nsIDocumentObserver.h"
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#include "mozilla/css/Loader.h"
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#include "nsIURI.h"
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#include "nsLayoutCID.h"
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#include "nsCSSRuleProcessor.h"
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#include "nsStyleSet.h"
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#include "mozilla/dom/URL.h"
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#include "mozilla/DebugOnly.h"
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using namespace mozilla;
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using mozilla::dom::IsChromeURI;
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nsXBLPrototypeResources::nsXBLPrototypeResources(nsXBLPrototypeBinding* aBinding)
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{
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MOZ_COUNT_CTOR(nsXBLPrototypeResources);
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mLoader = new nsXBLResourceLoader(aBinding, this);
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}
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nsXBLPrototypeResources::~nsXBLPrototypeResources()
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{
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MOZ_COUNT_DTOR(nsXBLPrototypeResources);
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if (mLoader) {
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mLoader->mResources = nullptr;
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}
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}
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void
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nsXBLPrototypeResources::AddResource(nsIAtom* aResourceType, const nsAString& aSrc)
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{
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if (mLoader)
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mLoader->AddResource(aResourceType, aSrc);
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}
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void
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nsXBLPrototypeResources::LoadResources(bool* aResult)
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{
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if (mLoader)
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mLoader->LoadResources(aResult);
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else
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*aResult = true; // All resources loaded.
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}
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void
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nsXBLPrototypeResources::AddResourceListener(nsIContent* aBoundElement)
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{
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if (mLoader)
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mLoader->AddResourceListener(aBoundElement);
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}
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nsresult
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nsXBLPrototypeResources::FlushSkinSheets()
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{
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if (mStyleSheetList.Length() == 0)
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return NS_OK;
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nsCOMPtr<nsIDocument> doc =
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mLoader->mBinding->XBLDocumentInfo()->GetDocument();
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// If doc is null, we're in the process of tearing things down, so just
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// return without rebuilding anything.
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if (!doc) {
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return NS_OK;
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}
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// We have scoped stylesheets. Reload any chrome stylesheets we
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// encounter. (If they aren't skin sheets, it doesn't matter, since
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// they'll still be in the chrome cache.
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nsTArray<RefPtr<CSSStyleSheet>> oldSheets;
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oldSheets.SwapElements(mStyleSheetList);
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mozilla::css::Loader* cssLoader = doc->CSSLoader();
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for (size_t i = 0, count = oldSheets.Length(); i < count; ++i) {
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CSSStyleSheet* oldSheet = oldSheets[i];
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nsIURI* uri = oldSheet->GetSheetURI();
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RefPtr<CSSStyleSheet> newSheet;
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if (IsChromeURI(uri)) {
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if (NS_FAILED(cssLoader->LoadSheetSync(uri, getter_AddRefs(newSheet))))
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continue;
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}
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else {
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newSheet = oldSheet;
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}
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mStyleSheetList.AppendElement(newSheet);
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}
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GatherRuleProcessor();
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return NS_OK;
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}
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nsresult
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nsXBLPrototypeResources::Write(nsIObjectOutputStream* aStream)
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{
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if (mLoader)
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return mLoader->Write(aStream);
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return NS_OK;
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}
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void
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nsXBLPrototypeResources::Traverse(nsCycleCollectionTraversalCallback &cb)
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{
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NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "proto mResources mLoader");
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cb.NoteXPCOMChild(mLoader);
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CycleCollectionNoteChild(cb, mRuleProcessor.get(), "mRuleProcessor");
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ImplCycleCollectionTraverse(cb, mStyleSheetList, "mStyleSheetList");
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}
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void
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nsXBLPrototypeResources::Unlink()
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{
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mStyleSheetList.Clear();
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mRuleProcessor = nullptr;
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}
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void
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nsXBLPrototypeResources::ClearLoader()
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{
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mLoader = nullptr;
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}
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void
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nsXBLPrototypeResources::GatherRuleProcessor()
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{
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mRuleProcessor = new nsCSSRuleProcessor(mStyleSheetList,
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SheetType::Doc,
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nullptr,
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mRuleProcessor);
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}
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void
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nsXBLPrototypeResources::AppendStyleSheet(CSSStyleSheet* aSheet)
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{
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mStyleSheetList.AppendElement(aSheet);
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}
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void
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nsXBLPrototypeResources::RemoveStyleSheet(CSSStyleSheet* aSheet)
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{
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mStyleSheetList.RemoveElement(aSheet);
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}
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void
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nsXBLPrototypeResources::InsertStyleSheetAt(size_t aIndex, CSSStyleSheet* aSheet)
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{
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mStyleSheetList.InsertElementAt(aIndex, aSheet);
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}
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CSSStyleSheet*
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nsXBLPrototypeResources::StyleSheetAt(size_t aIndex) const
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{
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return mStyleSheetList[aIndex];
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}
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size_t
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nsXBLPrototypeResources::SheetCount() const
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{
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return mStyleSheetList.Length();
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}
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bool
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nsXBLPrototypeResources::HasStyleSheets() const
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{
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return !mStyleSheetList.IsEmpty();
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}
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void
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nsXBLPrototypeResources::AppendStyleSheetsTo(
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nsTArray<CSSStyleSheet*>& aResult) const
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{
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aResult.AppendElements(mStyleSheetList);
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}
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