| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * (C) 2001 Dirk Mueller (mueller@kde.org) |
| * (C) 2006 Alexey Proskuryakov (ap@webkit.org) |
| * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All |
| * rights reserved. |
| * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. |
| * (http://www.torchmobile.com/) |
| * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "third_party/blink/renderer/core/css/document_style_sheet_collection.h" |
| |
| #include "third_party/blink/renderer/core/css/document_style_sheet_collector.h" |
| #include "third_party/blink/renderer/core/css/resolver/style_resolver.h" |
| #include "third_party/blink/renderer/core/css/resolver/viewport_style_resolver.h" |
| #include "third_party/blink/renderer/core/css/style_change_reason.h" |
| #include "third_party/blink/renderer/core/css/style_engine.h" |
| #include "third_party/blink/renderer/core/css/style_sheet_candidate.h" |
| #include "third_party/blink/renderer/core/css/style_sheet_list.h" |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/dom/processing_instruction.h" |
| #include "third_party/blink/renderer/core/style/computed_style.h" |
| |
| namespace blink { |
| |
| DocumentStyleSheetCollection::DocumentStyleSheetCollection( |
| TreeScope& tree_scope) |
| : TreeScopeStyleSheetCollection(tree_scope) { |
| DCHECK_EQ(tree_scope.RootNode(), tree_scope.RootNode().GetDocument()); |
| } |
| |
| void DocumentStyleSheetCollection::CollectStyleSheetsFromCandidates( |
| StyleEngine& master_engine, |
| DocumentStyleSheetCollector& collector) { |
| // TODO(keishi) Check added for crbug.com/699269 diagnosis. Remove once done. |
| CHECK(HeapObjectHeader::FromPayload(this)->IsValid()); |
| CHECK(ThreadState::Current()->IsOnThreadHeap(this)); |
| for (Node* n : style_sheet_candidate_nodes_) { |
| CHECK(HeapObjectHeader::FromPayload(n)->IsValid()); |
| CHECK(ThreadState::Current()->IsOnThreadHeap(n)); |
| StyleSheetCandidate candidate(*n); |
| |
| DCHECK(!candidate.IsXSL()); |
| if (candidate.IsImport()) { |
| Document* document = candidate.ImportedDocument(); |
| if (!document) |
| continue; |
| if (collector.HasVisited(document)) |
| continue; |
| collector.WillVisit(document); |
| |
| document->GetStyleEngine().UpdateActiveStyleSheetsInImport(master_engine, |
| collector); |
| continue; |
| } |
| |
| if (candidate.IsEnabledAndLoading()) |
| continue; |
| |
| StyleSheet* sheet = candidate.Sheet(); |
| if (!sheet) |
| continue; |
| |
| collector.AppendSheetForList(sheet); |
| if (!candidate.CanBeActivated( |
| GetDocument().GetStyleEngine().PreferredStylesheetSetName())) |
| continue; |
| |
| CSSStyleSheet* css_sheet = To<CSSStyleSheet>(sheet); |
| collector.AppendActiveStyleSheet( |
| std::make_pair(css_sheet, master_engine.RuleSetForSheet(*css_sheet))); |
| } |
| if (!GetTreeScope().HasAdoptedStyleSheets()) |
| return; |
| |
| for (CSSStyleSheet* sheet : GetTreeScope().AdoptedStyleSheets()) { |
| if (!sheet || |
| !sheet->CanBeActivated( |
| GetDocument().GetStyleEngine().PreferredStylesheetSetName())) |
| continue; |
| DCHECK_EQ(GetDocument(), sheet->AssociatedDocument()); |
| collector.AppendSheetForList(sheet); |
| collector.AppendActiveStyleSheet( |
| std::make_pair(sheet, master_engine.RuleSetForSheet(*sheet))); |
| } |
| } |
| |
| void DocumentStyleSheetCollection::CollectStyleSheets( |
| StyleEngine& master_engine, |
| DocumentStyleSheetCollector& collector) { |
| for (auto& sheet : |
| GetDocument().GetStyleEngine().InjectedAuthorStyleSheets()) { |
| collector.AppendActiveStyleSheet(std::make_pair( |
| sheet.second, |
| GetDocument().GetStyleEngine().RuleSetForSheet(*sheet.second))); |
| } |
| CollectStyleSheetsFromCandidates(master_engine, collector); |
| if (CSSStyleSheet* inspector_sheet = |
| GetDocument().GetStyleEngine().InspectorStyleSheet()) { |
| collector.AppendActiveStyleSheet(std::make_pair( |
| inspector_sheet, |
| GetDocument().GetStyleEngine().RuleSetForSheet(*inspector_sheet))); |
| } |
| } |
| |
| void DocumentStyleSheetCollection::UpdateActiveStyleSheets( |
| StyleEngine& master_engine) { |
| // StyleSheetCollection is GarbageCollected<>, allocate it on the heap. |
| auto* collection = MakeGarbageCollected<StyleSheetCollection>(); |
| ActiveDocumentStyleSheetCollector collector(*collection); |
| CollectStyleSheets(master_engine, collector); |
| ApplyActiveStyleSheetChanges(*collection); |
| } |
| |
| void DocumentStyleSheetCollection::CollectViewportRules( |
| ViewportStyleResolver& viewport_resolver) { |
| for (Node* node : style_sheet_candidate_nodes_) { |
| StyleSheetCandidate candidate(*node); |
| |
| if (candidate.IsImport()) |
| continue; |
| StyleSheet* sheet = candidate.Sheet(); |
| if (!sheet) |
| continue; |
| if (!candidate.CanBeActivated( |
| GetDocument().GetStyleEngine().PreferredStylesheetSetName())) |
| continue; |
| viewport_resolver.CollectViewportRulesFromAuthorSheet( |
| To<CSSStyleSheet>(*sheet)); |
| } |
| } |
| |
| } // namespace blink |