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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 CONTENT_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_ | 5 #ifndef CONTENT_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_ |
| 6 #define CONTENT_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_ | 6 #define CONTENT_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
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| 22 class RenderWidgetHostView; | 22 class RenderWidgetHostView; |
| 23 class WebUI; | 23 class WebUI; |
| 24 | 24 |
| 25 namespace content { | 25 namespace content { |
| 26 class BrowserContext; | 26 class BrowserContext; |
| 27 } | 27 } |
| 28 | 28 |
| 29 // Manages RenderViewHosts for a TabContents. Normally there is only one and | 29 // Manages RenderViewHosts for a TabContents. Normally there is only one and |
| 30 // it is easy to do. But we can also have transitions of processes (and hence | 30 // it is easy to do. But we can also have transitions of processes (and hence |
| 31 // RenderViewHosts) that can get complex. | 31 // RenderViewHosts) that can get complex. |
| 32 class RenderViewHostManager | 32 class CONTENT_EXPORT RenderViewHostManager |
| 33 : public RenderViewHostDelegate::RendererManagement, | 33 : public RenderViewHostDelegate::RendererManagement, |
| 34 public NotificationObserver { | 34 public NotificationObserver { |
| 35 public: | 35 public: |
| 36 // Functions implemented by our owner that we need. | 36 // Functions implemented by our owner that we need. |
| 37 // | 37 // |
| 38 // TODO(brettw) Clean this up! These are all the functions in TabContents that | 38 // TODO(brettw) Clean this up! These are all the functions in TabContents that |
| 39 // are required to run this class. The design should probably be better such | 39 // are required to run this class. The design should probably be better such |
| 40 // that these are more clear. | 40 // that these are more clear. |
| 41 // | 41 // |
| 42 // There is additional complexity that some of the functions we need in | 42 // There is additional complexity that some of the functions we need in |
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| 99 // | 99 // |
| 100 // This will be non-NULL between Init() and Shutdown(). You may want to NULL | 100 // This will be non-NULL between Init() and Shutdown(). You may want to NULL |
| 101 // check it in many cases, however. Windows can send us messages during the | 101 // check it in many cases, however. Windows can send us messages during the |
| 102 // destruction process after it has been shut down. | 102 // destruction process after it has been shut down. |
| 103 RenderViewHost* current_host() const { | 103 RenderViewHost* current_host() const { |
| 104 return render_view_host_; | 104 return render_view_host_; |
| 105 } | 105 } |
| 106 | 106 |
| 107 // Returns the view associated with the current RenderViewHost, or NULL if | 107 // Returns the view associated with the current RenderViewHost, or NULL if |
| 108 // there is no current one. | 108 // there is no current one. |
| 109 CONTENT_EXPORT RenderWidgetHostView* GetRenderWidgetHostView() const; | 109 RenderWidgetHostView* GetRenderWidgetHostView() const; |
| 110 | 110 |
| 111 // Returns the pending render view host, or NULL if there is no pending one. | 111 // Returns the pending render view host, or NULL if there is no pending one. |
| 112 RenderViewHost* pending_render_view_host() const { | 112 RenderViewHost* pending_render_view_host() const { |
| 113 return pending_render_view_host_; | 113 return pending_render_view_host_; |
| 114 } | 114 } |
| 115 | 115 |
| 116 // Returns the current committed Web UI or NULL if none applies. | 116 // Returns the current committed Web UI or NULL if none applies. |
| 117 WebUI* web_ui() const { return web_ui_.get(); } | 117 WebUI* web_ui() const { return web_ui_.get(); } |
| 118 | 118 |
| 119 // Returns the Web UI for the pending navigation, or NULL of none applies. | 119 // Returns the Web UI for the pending navigation, or NULL of none applies. |
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| 287 }; | 287 }; |
| 288 | 288 |
| 289 // The "details" for a NOTIFY_RENDER_VIEW_HOST_CHANGED notification. The old | 289 // The "details" for a NOTIFY_RENDER_VIEW_HOST_CHANGED notification. The old |
| 290 // host can be NULL when the first RenderViewHost is set. | 290 // host can be NULL when the first RenderViewHost is set. |
| 291 struct RenderViewHostSwitchedDetails { | 291 struct RenderViewHostSwitchedDetails { |
| 292 RenderViewHost* old_host; | 292 RenderViewHost* old_host; |
| 293 RenderViewHost* new_host; | 293 RenderViewHost* new_host; |
| 294 }; | 294 }; |
| 295 | 295 |
| 296 #endif // CONTENT_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_ | 296 #endif // CONTENT_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_ |
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