blob: 547c442e85aabdf830a5ab045a4784c861129aed (
plain)
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
|
// Copyright 2012 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.
#ifndef CC_TREES_LAYER_TREE_HOST_CLIENT_H_
#define CC_TREES_LAYER_TREE_HOST_CLIENT_H_
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
namespace gfx {
class Vector2d;
}
namespace cc {
class ContextProvider;
class InputHandler;
class OutputSurface;
class LayerTreeHostClient {
public:
virtual void WillBeginFrame() = 0;
// Marks finishing compositing-related tasks on the main thread. In threaded
// mode, this corresponds to DidCommit().
virtual void DidBeginFrame() = 0;
virtual void Animate(double frame_begin_time) = 0;
virtual void Layout() = 0;
virtual void ApplyScrollAndScale(gfx::Vector2d scroll_delta,
float page_scale) = 0;
virtual scoped_ptr<OutputSurface> CreateOutputSurface() = 0;
virtual void DidRecreateOutputSurface(bool success) = 0;
virtual scoped_ptr<InputHandler> CreateInputHandler() = 0;
virtual void WillCommit() = 0;
virtual void DidCommit() = 0;
virtual void DidCommitAndDrawFrame() = 0;
virtual void DidCompleteSwapBuffers() = 0;
// Used only in the single-threaded path.
virtual void ScheduleComposite() = 0;
// These must always return a valid ContextProvider. But the provider does not
// need to be capable of creating contexts.
virtual scoped_refptr<cc::ContextProvider>
OffscreenContextProviderForMainThread() = 0;
virtual scoped_refptr<cc::ContextProvider>
OffscreenContextProviderForCompositorThread() = 0;
// This hook is for testing.
virtual void WillRetryRecreateOutputSurface() {}
protected:
virtual ~LayerTreeHostClient() {}
};
}
#endif // CC_TREES_LAYER_TREE_HOST_CLIENT_H_
|
