1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
* Copyright (C) 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PageGroup_h
#define PageGroup_h
#include "core/page/InjectedStyleSheet.h"
#include "platform/Supplementable.h"
#include "wtf/HashSet.h"
#include "wtf/Noncopyable.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
namespace WebCore {
class Page;
// FIXME: This is really more of a "Settings Group" than a Page Group.
// It has nothing to do with Page. There is one shared PageGroup
// in the renderer process, which all normal Pages belong to. There are also
// additional private PageGroups for SVGImage, Inspector Overlay, etc.
// This really only exists to service InjectedStyleSheets at this point.
// InjectedStyleSheets could instead just use a global, and StyleEngine
// could be taught to look for InjectedStyleSheets when resolving style
// for normal frames.
class PageGroup : public Supplementable<PageGroup>, public RefCounted<PageGroup> {
WTF_MAKE_NONCOPYABLE(PageGroup); WTF_MAKE_FAST_ALLOCATED;
public:
~PageGroup();
static PassRefPtr<PageGroup> create() { return adoptRef(new PageGroup()); }
static PageGroup* sharedGroup();
const HashSet<Page*>& pages() const { return m_pages; }
void addPage(Page*);
void removePage(Page*);
void injectStyleSheet(const String& source, const Vector<String>& whitelist, StyleInjectionTarget);
void removeInjectedStyleSheets();
const InjectedStyleSheetVector& injectedStyleSheets() const { return m_injectedStyleSheets; }
private:
PageGroup();
void invalidatedInjectedStyleSheetCacheInAllFrames();
HashSet<Page*> m_pages;
InjectedStyleSheetVector m_injectedStyleSheets;
};
} // namespace WebCore
#endif // PageGroup_h
|