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
|
// 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 "content/browser/renderer_host/compositor_resize_lock_aura.h"
#include "base/debug/trace_event.h"
#include "content/public/browser/browser_thread.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/aura/window_tree_host.h"
#include "ui/compositor/compositor.h"
namespace content {
CompositorResizeLock::CompositorResizeLock(
aura::WindowTreeHost* host,
const gfx::Size new_size,
bool defer_compositor_lock,
const base::TimeDelta& timeout)
: ResizeLock(new_size, defer_compositor_lock),
host_(host),
cancelled_(false),
weak_ptr_factory_(this) {
DCHECK(host_);
TRACE_EVENT_ASYNC_BEGIN2("ui", "CompositorResizeLock", this,
"width", expected_size().width(),
"height", expected_size().height());
host_->dispatcher()->HoldPointerMoves();
BrowserThread::PostDelayedTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&CompositorResizeLock::CancelLock,
weak_ptr_factory_.GetWeakPtr()),
timeout);
}
CompositorResizeLock::~CompositorResizeLock() {
CancelLock();
TRACE_EVENT_ASYNC_END2("ui", "CompositorResizeLock", this,
"width", expected_size().width(),
"height", expected_size().height());
}
bool CompositorResizeLock::GrabDeferredLock() {
return ResizeLock::GrabDeferredLock();
}
void CompositorResizeLock::UnlockCompositor() {
ResizeLock::UnlockCompositor();
compositor_lock_ = NULL;
}
void CompositorResizeLock::LockCompositor() {
ResizeLock::LockCompositor();
compositor_lock_ = host_->compositor()->GetCompositorLock();
}
void CompositorResizeLock::CancelLock() {
if (cancelled_)
return;
cancelled_ = true;
UnlockCompositor();
host_->dispatcher()->ReleasePointerMoves();
}
} // namespace content
|
