OLD | NEW |
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/HashSet.h" | 8 #include "wtf/HashSet.h" |
9 #include "wtf/Noncopyable.h" | 9 #include "wtf/Noncopyable.h" |
10 | 10 |
11 namespace blink { | 11 namespace blink { |
12 | 12 |
13 class Visitor; | 13 class Visitor; |
14 class InlinedGlobalMarkingVisitor; | |
15 class WebFrame; | 14 class WebFrame; |
16 | 15 |
17 // Small helper class to track the set of frames that a WebFrame has opened. | 16 // 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 | 17 // Due to layering restrictions, we need to hide the implementation, since |
19 // public/web/ cannot depend on wtf/. | 18 // public/web/ cannot depend on wtf/. |
20 class OpenedFrameTracker { | 19 class OpenedFrameTracker { |
21 WTF_MAKE_NONCOPYABLE(OpenedFrameTracker); | 20 WTF_MAKE_NONCOPYABLE(OpenedFrameTracker); |
22 | 21 |
23 public: | 22 public: |
24 OpenedFrameTracker(); | 23 OpenedFrameTracker(); |
25 ~OpenedFrameTracker(); | 24 ~OpenedFrameTracker(); |
26 | 25 |
27 bool isEmpty() const; | 26 bool isEmpty() const; |
28 void add(WebFrame*); | 27 void add(WebFrame*); |
29 void remove(WebFrame*); | 28 void remove(WebFrame*); |
30 | 29 |
31 // Helper used when swapping a frame into the frame tree: this updates the | 30 // Helper used when swapping a frame into the frame tree: this updates the |
32 // opener for opened frames to point to the new frame being swapped in. | 31 // opener for opened frames to point to the new frame being swapped in. |
33 void transferTo(WebFrame*); | 32 void transferTo(WebFrame*); |
34 | 33 |
35 void traceFrames(Visitor*); | 34 void traceFrames(Visitor*); |
36 void traceFrames(InlinedGlobalMarkingVisitor); | |
37 | 35 |
38 private: | 36 private: |
39 template <typename VisitorDispatcher> | 37 template <typename VisitorDispatcher> |
40 void traceFramesImpl(VisitorDispatcher); | 38 void traceFramesImpl(VisitorDispatcher); |
41 | 39 |
42 WTF::HashSet<WebFrame*> m_openedFrames; | 40 WTF::HashSet<WebFrame*> m_openedFrames; |
43 }; | 41 }; |
44 | 42 |
45 } // namespace blink | 43 } // namespace blink |
46 | 44 |
47 #endif // WebFramePrivate_h | 45 #endif // WebFramePrivate_h |
OLD | NEW |