1/* 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. 3 * Copyright 2014 The Chromium Authors. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21#include "config.h" 22#include "core/page/InjectedStyleSheets.h" 23 24#include "core/dom/Document.h" 25#include "core/dom/StyleEngine.h" 26#include "core/frame/LocalFrame.h" 27#include "core/page/Page.h" 28#include "wtf/HashSet.h" 29 30namespace blink { 31 32// static 33InjectedStyleSheets& InjectedStyleSheets::instance() 34{ 35 DEFINE_STATIC_LOCAL(InjectedStyleSheets, instance, ()); 36 return instance; 37} 38 39void InjectedStyleSheets::add(const String& source, const Vector<String>& whitelist, StyleInjectionTarget injectIn) 40{ 41 m_entries.append(adoptPtr(new InjectedStyleSheetEntry(source, whitelist, injectIn))); 42 invalidateInjectedStyleSheetCacheInAllFrames(); 43} 44 45void InjectedStyleSheets::removeAll() 46{ 47 m_entries.clear(); 48 invalidateInjectedStyleSheetCacheInAllFrames(); 49} 50 51void InjectedStyleSheets::invalidateInjectedStyleSheetCacheInAllFrames() 52{ 53 // Clear our cached sheets and have them just reparse. 54 const HashSet<Page*>& pages = Page::ordinaryPages(); 55 56 HashSet<Page*>::const_iterator end = pages.end(); 57 for (HashSet<Page*>::const_iterator it = pages.begin(); it != end; ++it) { 58 for (Frame* frame = (*it)->mainFrame(); frame; frame = frame->tree().traverseNext()) { 59 if (frame->isLocalFrame()) 60 toLocalFrame(frame)->document()->styleEngine()->invalidateInjectedStyleSheetCache(); 61 } 62 } 63} 64 65} // namespace blink 66