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
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "web/OpenedFrameTracker.h"
#include "platform/heap/Handle.h"
#include "public/web/WebFrame.h"
namespace blink {
OpenedFrameTracker::OpenedFrameTracker()
{
}
OpenedFrameTracker::~OpenedFrameTracker()
{
#if !ENABLE(OILPAN)
// Oilpan takes care of clearing weak m_opener fields during GC.
updateOpener(0);
#endif
}
bool OpenedFrameTracker::isEmpty() const
{
return m_openedFrames.isEmpty();
}
void OpenedFrameTracker::add(WebFrame* frame)
{
m_openedFrames.add(frame);
}
void OpenedFrameTracker::remove(WebFrame* frame)
{
m_openedFrames.remove(frame);
}
void OpenedFrameTracker::updateOpener(WebFrame* frame)
{
HashSet<WebFrame*>::iterator end = m_openedFrames.end();
for (HashSet<WebFrame*>::iterator it = m_openedFrames.begin(); it != end; ++it)
(*it)->m_opener = frame;
}
void OpenedFrameTracker::traceFrames(Visitor* visitor)
{
#if ENABLE(OILPAN)
HashSet<WebFrame*>::iterator end = m_openedFrames.end();
for (HashSet<WebFrame*>::iterator it = m_openedFrames.begin(); it != end; ++it)
WebFrame::traceFrame(visitor, *it);
#endif
}
} // namespace blink
|
