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Side by Side Diff: Source/web/OpenedFrameTracker.cpp

Issue 594483002: Oilpan: extend tracing over WebFrame trees. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Improve weak callback registration Created 6 years, 2 months ago
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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 #include "config.h" 5 #include "config.h"
6 #include "web/OpenedFrameTracker.h" 6 #include "web/OpenedFrameTracker.h"
7 7
8 #include "platform/heap/Handle.h"
8 #include "public/web/WebFrame.h" 9 #include "public/web/WebFrame.h"
9 10
10 namespace blink { 11 namespace blink {
11 12
12 OpenedFrameTracker::OpenedFrameTracker() 13 OpenedFrameTracker::OpenedFrameTracker()
13 { 14 {
14 } 15 }
15 16
16 OpenedFrameTracker::~OpenedFrameTracker() 17 OpenedFrameTracker::~OpenedFrameTracker()
17 { 18 {
19 #if !ENABLE(OILPAN)
20 // Oilpan takes care of clearing weak m_opener fields during GC.
18 updateOpener(0); 21 updateOpener(0);
22 #endif
19 } 23 }
20 24
21 bool OpenedFrameTracker::isEmpty() const 25 bool OpenedFrameTracker::isEmpty() const
22 { 26 {
23 return m_openedFrames.isEmpty(); 27 return m_openedFrames.isEmpty();
24 } 28 }
25 29
26 void OpenedFrameTracker::add(WebFrame* frame) 30 void OpenedFrameTracker::add(WebFrame* frame)
27 { 31 {
28 m_openedFrames.add(frame); 32 m_openedFrames.add(frame);
29 } 33 }
30 34
31 void OpenedFrameTracker::remove(WebFrame* frame) 35 void OpenedFrameTracker::remove(WebFrame* frame)
32 { 36 {
33 m_openedFrames.remove(frame); 37 m_openedFrames.remove(frame);
34 } 38 }
35 39
36 void OpenedFrameTracker::updateOpener(WebFrame* frame) 40 void OpenedFrameTracker::updateOpener(WebFrame* frame)
37 { 41 {
38 HashSet<WebFrame*>::iterator end = m_openedFrames.end(); 42 HashSet<WebFrame*>::iterator end = m_openedFrames.end();
39 for (HashSet<WebFrame*>::iterator it = m_openedFrames.begin(); it != end; ++ it) 43 for (HashSet<WebFrame*>::iterator it = m_openedFrames.begin(); it != end; ++ it)
40 (*it)->m_opener = frame; 44 (*it)->m_opener = frame;
41 } 45 }
42 46
47 void OpenedFrameTracker::traceFrames(Visitor* visitor)
48 {
49 #if ENABLE(OILPAN)
50 HashSet<WebFrame*>::iterator end = m_openedFrames.end();
51 for (HashSet<WebFrame*>::iterator it = m_openedFrames.begin(); it != end; ++ it)
52 WebFrame::traceFrame(visitor, *it);
53 #endif
54 }
55
43 } // namespace blink 56 } // namespace blink
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