зеркало из https://github.com/mozilla/gecko-dev.git
130 строки
3.2 KiB
C++
130 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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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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mRuleProcessor = nullptr;
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sheet_array_type oldSheets(mStyleSheetList);
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mStyleSheetList.Clear();
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mozilla::css::Loader* cssLoader = doc->CSSLoader();
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for (sheet_array_type::size_type i = 0, count = oldSheets.Length();
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i < count; ++i) {
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nsCSSStyleSheet* oldSheet = oldSheets[i];
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nsIURI* uri = oldSheet->GetSheetURI();
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nsRefPtr<nsCSSStyleSheet> 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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mRuleProcessor = new nsCSSRuleProcessor(mStyleSheetList,
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nsStyleSet::eDocSheet,
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nullptr);
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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) const
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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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}
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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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