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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 #ifndef GFX_GTK_NATIVE_VIEW_ID_MANAGER_H_ | 5 #ifndef GFX_GTK_NATIVE_VIEW_ID_MANAGER_H_ |
| 6 #define GFX_GTK_NATIVE_VIEW_ID_MANAGER_H_ | 6 #define GFX_GTK_NATIVE_VIEW_ID_MANAGER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <map> | 9 #include <map> |
| 10 | 10 |
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| 62 // These are actually private functions, but need to be called from statics. | 62 // These are actually private functions, but need to be called from statics. |
| 63 void OnRealize(gfx::NativeView widget); | 63 void OnRealize(gfx::NativeView widget); |
| 64 void OnUnrealize(gfx::NativeView widget); | 64 void OnUnrealize(gfx::NativeView widget); |
| 65 void OnDestroy(gfx::NativeView widget); | 65 void OnDestroy(gfx::NativeView widget); |
| 66 | 66 |
| 67 Lock& unrealize_lock() { return unrealize_lock_; } | 67 Lock& unrealize_lock() { return unrealize_lock_; } |
| 68 | 68 |
| 69 private: | 69 private: |
| 70 // This object is a singleton: | 70 // This object is a singleton: |
| 71 GtkNativeViewManager(); | 71 GtkNativeViewManager(); |
| 72 ~GtkNativeViewManager(); |
| 72 friend struct DefaultSingletonTraits<GtkNativeViewManager>; | 73 friend struct DefaultSingletonTraits<GtkNativeViewManager>; |
| 73 | 74 |
| 74 struct NativeViewInfo { | 75 struct NativeViewInfo { |
| 75 NativeViewInfo() | 76 NativeViewInfo() |
| 76 : x_window_id(0) { | 77 : x_window_id(0) { |
| 77 } | 78 } |
| 78 | 79 |
| 79 XID x_window_id; | 80 XID x_window_id; |
| 80 }; | 81 }; |
| 81 | 82 |
| 82 gfx::NativeViewId GetWidgetId(gfx::NativeView id); | 83 gfx::NativeViewId GetWidgetId(gfx::NativeView id); |
| 83 | 84 |
| 84 // This lock can be used to block GTK from unrealizing windows. This is needed | 85 // This lock can be used to block GTK from unrealizing windows. This is needed |
| 85 // when the BACKGROUND_X11 thread is using a window obtained via GetXIDForId, | 86 // when the BACKGROUND_X11 thread is using a window obtained via GetXIDForId, |
| 86 // and can't allow the X11 resource to be deleted. | 87 // and can't allow the X11 resource to be deleted. |
| 87 Lock unrealize_lock_; | 88 Lock unrealize_lock_; |
| 88 | 89 |
| 89 // protects native_view_to_id_ and id_to_info_ | 90 // protects native_view_to_id_ and id_to_info_ |
| 90 Lock lock_; | 91 Lock lock_; |
| 91 | 92 |
| 92 // If asked for an id for the same widget twice, we want to return the same | 93 // If asked for an id for the same widget twice, we want to return the same |
| 93 // id. So this records the current mapping. | 94 // id. So this records the current mapping. |
| 94 std::map<gfx::NativeView, gfx::NativeViewId> native_view_to_id_; | 95 std::map<gfx::NativeView, gfx::NativeViewId> native_view_to_id_; |
| 95 std::map<gfx::NativeViewId, NativeViewInfo> id_to_info_; | 96 std::map<gfx::NativeViewId, NativeViewInfo> id_to_info_; |
| 96 | 97 |
| 97 DISALLOW_COPY_AND_ASSIGN(GtkNativeViewManager); | 98 DISALLOW_COPY_AND_ASSIGN(GtkNativeViewManager); |
| 98 }; | 99 }; |
| 99 | 100 |
| 100 #endif // GFX_GTK_NATIVE_VIEW_ID_MANAGER_H_ | 101 #endif // GFX_GTK_NATIVE_VIEW_ID_MANAGER_H_ |
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