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/StyleEngine.h"
31 #include "core/frame/Frame.h"
32 #include "core/page/Page.h"
33 #include "wtf/StdLibExtras.h"
34
35 namespace WebCore {
36
PageGroup()37 PageGroup::PageGroup()
38 {
39 }
40
~PageGroup()41 PageGroup::~PageGroup()
42 {
43 removeInjectedStyleSheets();
44 }
45
sharedGroup()46 PageGroup* PageGroup::sharedGroup()
47 {
48 DEFINE_STATIC_REF(PageGroup, staticSharedGroup, (create()));
49 return staticSharedGroup;
50 }
51
addPage(Page * page)52 void PageGroup::addPage(Page* page)
53 {
54 ASSERT(page);
55 ASSERT(!m_pages.contains(page));
56 m_pages.add(page);
57 }
58
removePage(Page * page)59 void PageGroup::removePage(Page* page)
60 {
61 ASSERT(page);
62 ASSERT(m_pages.contains(page));
63 m_pages.remove(page);
64 }
65
injectStyleSheet(const String & source,const Vector<String> & whitelist,StyleInjectionTarget injectIn)66 void PageGroup::injectStyleSheet(const String& source, const Vector<String>& whitelist, StyleInjectionTarget injectIn)
67 {
68 m_injectedStyleSheets.append(adoptPtr(new InjectedStyleSheet(source, whitelist, injectIn)));
69 invalidatedInjectedStyleSheetCacheInAllFrames();
70 }
71
removeInjectedStyleSheets()72 void PageGroup::removeInjectedStyleSheets()
73 {
74 m_injectedStyleSheets.clear();
75 invalidatedInjectedStyleSheetCacheInAllFrames();
76 }
77
invalidatedInjectedStyleSheetCacheInAllFrames()78 void PageGroup::invalidatedInjectedStyleSheetCacheInAllFrames()
79 {
80 // Clear our cached sheets and have them just reparse.
81 HashSet<Page*>::const_iterator end = m_pages.end();
82 for (HashSet<Page*>::const_iterator it = m_pages.begin(); it != end; ++it) {
83 for (Frame* frame = (*it)->mainFrame(); frame; frame = frame->tree().traverseNext())
84 frame->document()->styleEngine()->invalidateInjectedStyleSheetCache();
85 }
86 }
87
88 } // namespace WebCore
89