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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef OpenedFrameTracker_h | 5 #ifndef OpenedFrameTracker_h |
6 #define OpenedFrameTracker_h | 6 #define OpenedFrameTracker_h |
7 | 7 |
| 8 #include "wtf/FastAllocBase.h" |
8 #include "wtf/HashSet.h" | 9 #include "wtf/HashSet.h" |
9 #include "wtf/Noncopyable.h" | 10 #include "wtf/Noncopyable.h" |
10 | 11 |
11 namespace blink { | 12 namespace blink { |
12 | 13 |
13 class Visitor; | 14 class Visitor; |
14 class InlinedGlobalMarkingVisitor; | 15 class InlinedGlobalMarkingVisitor; |
15 class WebFrame; | 16 class WebFrame; |
16 | 17 |
17 // Small helper class to track the set of frames that a WebFrame has opened. | 18 // Small helper class to track the set of frames that a WebFrame has opened. |
18 // Due to layering restrictions, we need to hide the implementation, since | 19 // Due to layering restrictions, we need to hide the implementation, since |
19 // public/web/ cannot depend on wtf/. | 20 // public/web/ cannot depend on wtf/. |
20 class OpenedFrameTracker { | 21 class OpenedFrameTracker { |
| 22 WTF_MAKE_FAST_ALLOCATED(OpenedFrameTracker); |
21 WTF_MAKE_NONCOPYABLE(OpenedFrameTracker); | 23 WTF_MAKE_NONCOPYABLE(OpenedFrameTracker); |
22 public: | 24 public: |
23 OpenedFrameTracker(); | 25 OpenedFrameTracker(); |
24 ~OpenedFrameTracker(); | 26 ~OpenedFrameTracker(); |
25 | 27 |
26 bool isEmpty() const; | 28 bool isEmpty() const; |
27 void add(WebFrame*); | 29 void add(WebFrame*); |
28 void remove(WebFrame*); | 30 void remove(WebFrame*); |
29 | 31 |
30 // Updates the opener for all tracked frames. | 32 // Updates the opener for all tracked frames. |
31 void updateOpener(WebFrame*); | 33 void updateOpener(WebFrame*); |
32 | 34 |
33 void traceFrames(Visitor*); | 35 void traceFrames(Visitor*); |
34 void traceFrames(InlinedGlobalMarkingVisitor); | 36 void traceFrames(InlinedGlobalMarkingVisitor); |
35 | 37 |
36 private: | 38 private: |
37 template <typename VisitorDispatcher> | 39 template <typename VisitorDispatcher> |
38 void traceFramesImpl(VisitorDispatcher); | 40 void traceFramesImpl(VisitorDispatcher); |
39 | 41 |
40 WTF::HashSet<WebFrame*> m_openedFrames; | 42 WTF::HashSet<WebFrame*> m_openedFrames; |
41 }; | 43 }; |
42 | 44 |
43 } // namespace blink | 45 } // namespace blink |
44 | 46 |
45 #endif // WebFramePrivate_h | 47 #endif // WebFramePrivate_h |
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