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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 "content/browser/compositor/browser_compositor_view_mac.h" | 5 #include "content/browser/renderer_host/browser_compositor_view_mac.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #include <utility> | 9 #include <utility> |
10 | 10 |
11 #include "base/lazy_instance.h" | 11 #include "base/lazy_instance.h" |
12 #include "base/trace_event/trace_event.h" | 12 #include "base/trace_event/trace_event.h" |
13 #include "content/browser/compositor/image_transport_factory.h" | 13 #include "content/browser/compositor/image_transport_factory.h" |
14 #include "content/public/browser/context_factory.h" | 14 #include "content/public/browser/context_factory.h" |
15 #include "ui/accelerated_widget_mac/accelerated_widget_mac.h" | 15 #include "ui/accelerated_widget_mac/accelerated_widget_mac.h" |
16 #include "ui/accelerated_widget_mac/window_resize_helper_mac.h" | 16 #include "ui/accelerated_widget_mac/window_resize_helper_mac.h" |
17 | 17 |
18 //////////////////////////////////////////////////////////////////////////////// | 18 //////////////////////////////////////////////////////////////////////////////// |
19 // BrowserCompositorMac | 19 // BrowserCompositorMac |
20 | 20 |
21 namespace content { | 21 namespace content { |
22 | 22 |
23 namespace { | 23 namespace { |
24 | 24 |
25 // Set when no browser compositors should remain alive. | 25 // Set when no browser compositors should remain alive. |
26 bool g_has_shut_down = false; | 26 bool g_has_shut_down = false; |
27 | 27 |
28 // The number of placeholder objects allocated. If this reaches zero, then | 28 // The number of placeholder objects allocated. If this reaches zero, then |
29 // the BrowserCompositorMac being held on to for recycling, | 29 // the BrowserCompositorMac being held on to for recycling, |
30 // |g_recyclable_browser_compositor|, will be freed. | 30 // |g_recyclable_browser_compositor|, will be freed. |
31 uint32_t g_placeholder_count = 0; | 31 uint32_t g_placeholder_count = 0; |
32 | 32 |
33 // A spare BrowserCompositorMac kept around for recycling. | 33 // A spare BrowserCompositorMac kept around for recycling. |
34 base::LazyInstance<scoped_ptr<BrowserCompositorMac>> | 34 base::LazyInstance<scoped_ptr<BrowserCompositorMac>> |
35 g_recyclable_browser_compositor; | 35 g_recyclable_browser_compositor; |
36 | 36 |
37 } // namespace | 37 } // namespace |
38 | 38 |
39 BrowserCompositorMac::BrowserCompositorMac() | 39 BrowserCompositorMac::BrowserCompositorMac() |
40 : accelerated_widget_mac_(new ui::AcceleratedWidgetMac()), | 40 : accelerated_widget_mac_(new ui::AcceleratedWidgetMac()), |
41 compositor_(content::GetContextFactory(), | 41 compositor_(content::GetContextFactory(), |
42 ui::WindowResizeHelperMac::Get()->task_runner()) { | 42 ui::WindowResizeHelperMac::Get()->task_runner()) { |
43 compositor_.SetAcceleratedWidget( | 43 compositor_.SetAcceleratedWidget( |
44 accelerated_widget_mac_->accelerated_widget()); | 44 accelerated_widget_mac_->accelerated_widget()); |
45 compositor_.SetLocksWillTimeOut(false); | 45 compositor_.SetLocksWillTimeOut(false); |
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111 DCHECK_GT(g_placeholder_count, 0u); | 111 DCHECK_GT(g_placeholder_count, 0u); |
112 g_placeholder_count -= 1; | 112 g_placeholder_count -= 1; |
113 | 113 |
114 // If there are no placeholders allocated, destroy the recyclable | 114 // If there are no placeholders allocated, destroy the recyclable |
115 // BrowserCompositorMac. | 115 // BrowserCompositorMac. |
116 if (!g_placeholder_count) | 116 if (!g_placeholder_count) |
117 g_recyclable_browser_compositor.Get().reset(); | 117 g_recyclable_browser_compositor.Get().reset(); |
118 } | 118 } |
119 | 119 |
120 } // namespace content | 120 } // namespace content |
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