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      1 /*
      2  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "core/page/PageGroup.h"
     28 
     29 #include "core/dom/Document.h"
     30 #include "core/dom/DocumentStyleSheetCollection.h"
     31 #include "core/page/Frame.h"
     32 #include "core/page/Page.h"
     33 
     34 namespace WebCore {
     35 
     36 PageGroup::PageGroup()
     37 {
     38 }
     39 
     40 PageGroup::~PageGroup()
     41 {
     42     removeAllUserContent();
     43 }
     44 
     45 PageGroup* PageGroup::sharedGroup()
     46 {
     47     static PageGroup* staticSharedGroup = create().leakRef();
     48     return staticSharedGroup;
     49 }
     50 
     51 PageGroup* PageGroup::inspectorGroup()
     52 {
     53     static PageGroup* staticInspectorGroup = create().leakRef();
     54     return staticInspectorGroup;
     55 }
     56 
     57 void PageGroup::addPage(Page* page)
     58 {
     59     ASSERT(page);
     60     ASSERT(!m_pages.contains(page));
     61     m_pages.add(page);
     62 }
     63 
     64 void PageGroup::removePage(Page* page)
     65 {
     66     ASSERT(page);
     67     ASSERT(m_pages.contains(page));
     68     m_pages.remove(page);
     69 }
     70 
     71 void PageGroup::addUserStyleSheet(const String& source, const KURL& url,
     72                                   const Vector<String>& whitelist, const Vector<String>& blacklist,
     73                                   UserContentInjectedFrames injectedFrames,
     74                                   UserStyleLevel level,
     75                                   UserStyleInjectionTime injectionTime)
     76 {
     77     m_userStyleSheets.append(adoptPtr(new UserStyleSheet(source, url, whitelist, blacklist, injectedFrames, level)));
     78 
     79     if (injectionTime == InjectInExistingDocuments)
     80         invalidatedInjectedStyleSheetCacheInAllFrames();
     81 }
     82 
     83 void PageGroup::removeAllUserContent()
     84 {
     85     m_userStyleSheets.clear();
     86     invalidatedInjectedStyleSheetCacheInAllFrames();
     87 }
     88 
     89 void PageGroup::invalidatedInjectedStyleSheetCacheInAllFrames()
     90 {
     91     // Clear our cached sheets and have them just reparse.
     92     HashSet<Page*>::const_iterator end = m_pages.end();
     93     for (HashSet<Page*>::const_iterator it = m_pages.begin(); it != end; ++it) {
     94         for (Frame* frame = (*it)->mainFrame(); frame; frame = frame->tree()->traverseNext())
     95             frame->document()->styleSheetCollection()->invalidateInjectedStyleSheetCache();
     96     }
     97 }
     98 
     99 } // namespace WebCore
    100