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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "content/browser/renderer_host/delegated_frame_evictor.h" | 5 #include "content/browser/renderer_host/delegated_frame_evictor.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 | 8 |
9 namespace content { | 9 namespace content { |
10 | 10 |
11 DelegatedFrameEvictor::DelegatedFrameEvictor( | 11 DelegatedFrameEvictor::DelegatedFrameEvictor( |
12 DelegatedFrameEvictorClient* client) | 12 DelegatedFrameEvictorClient* client) |
13 : client_(client), has_frame_(false), visible_(false) { | 13 : client_(client), has_frame_(false) {} |
14 } | |
15 | 14 |
16 DelegatedFrameEvictor::~DelegatedFrameEvictor() { DiscardedFrame(); } | 15 DelegatedFrameEvictor::~DelegatedFrameEvictor() { DiscardedFrame(); } |
17 | 16 |
18 void DelegatedFrameEvictor::SwappedFrame(bool visible) { | 17 void DelegatedFrameEvictor::SwappedFrame(bool visible) { |
19 visible_ = visible; | |
20 has_frame_ = true; | 18 has_frame_ = true; |
21 RendererFrameManager::GetInstance()->AddFrame(this, visible); | 19 RendererFrameManager::GetInstance()->AddFrame(this, visible); |
22 } | 20 } |
23 | 21 |
24 void DelegatedFrameEvictor::DiscardedFrame() { | 22 void DelegatedFrameEvictor::DiscardedFrame() { |
25 RendererFrameManager::GetInstance()->RemoveFrame(this); | 23 RendererFrameManager::GetInstance()->RemoveFrame(this); |
26 has_frame_ = false; | 24 has_frame_ = false; |
27 } | 25 } |
28 | 26 |
29 void DelegatedFrameEvictor::SetVisible(bool visible) { | 27 void DelegatedFrameEvictor::SetVisible(bool visible) { |
30 if (visible_ == visible) | |
31 return; | |
32 visible_ = visible; | |
33 if (has_frame_) { | 28 if (has_frame_) { |
34 if (visible) { | 29 if (visible) { |
35 LockFrame(); | 30 RendererFrameManager::GetInstance()->LockFrame(this); |
36 } else { | 31 } else { |
37 UnlockFrame(); | 32 RendererFrameManager::GetInstance()->UnlockFrame(this); |
38 } | 33 } |
39 } | 34 } |
40 } | 35 } |
41 | 36 |
42 void DelegatedFrameEvictor::LockFrame() { | 37 void DelegatedFrameEvictor::LockFrame() { |
43 DCHECK(has_frame_); | 38 DCHECK(has_frame_); |
44 RendererFrameManager::GetInstance()->LockFrame(this); | 39 RendererFrameManager::GetInstance()->LockFrame(this); |
45 } | 40 } |
46 | 41 |
47 void DelegatedFrameEvictor::UnlockFrame() { | 42 void DelegatedFrameEvictor::UnlockFrame() { |
48 DCHECK(has_frame_); | 43 DCHECK(has_frame_); |
49 RendererFrameManager::GetInstance()->UnlockFrame(this); | 44 RendererFrameManager::GetInstance()->UnlockFrame(this); |
50 } | 45 } |
51 | 46 |
52 void DelegatedFrameEvictor::EvictCurrentFrame() { | 47 void DelegatedFrameEvictor::EvictCurrentFrame() { |
53 client_->EvictDelegatedFrame(); | 48 client_->EvictDelegatedFrame(); |
54 } | 49 } |
55 | 50 |
56 } // namespace content | 51 } // namespace content |
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