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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 #import "chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.h" | 5 #import "chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.h" |
6 | 6 |
7 #include "base/memory/scoped_nsobject.h" | 7 #include "base/memory/scoped_nsobject.h" |
8 #include "content/browser/renderer_host/render_view_host.h" | 8 #include "content/browser/renderer_host/render_view_host.h" |
9 #include "content/browser/renderer_host/render_widget_host_view.h" | 9 #include "content/browser/renderer_host/render_widget_host_view.h" |
10 #include "content/browser/tab_contents/navigation_controller.h" | 10 #include "content/browser/tab_contents/navigation_controller.h" |
11 #include "content/browser/tab_contents/tab_contents.h" | 11 #include "content/browser/tab_contents/tab_contents.h" |
12 #include "content/public/browser/notification_observer.h" | 12 #include "content/public/browser/notification_observer.h" |
13 #include "content/public/browser/notification_registrar.h" | 13 #include "content/public/browser/notification_registrar.h" |
14 #include "content/public/browser/notification_details.h" | 14 #include "content/public/browser/notification_details.h" |
15 #include "content/public/browser/notification_source.h" | 15 #include "content/public/browser/notification_source.h" |
16 #include "content/public/browser/notification_types.h" | 16 #include "content/public/browser/notification_types.h" |
17 | 17 |
| 18 using content::WebContents; |
| 19 |
18 @interface TabContentsController(Private) | 20 @interface TabContentsController(Private) |
19 // Forwards frame update to |delegate_| (ResizeNotificationView calls it). | 21 // Forwards frame update to |delegate_| (ResizeNotificationView calls it). |
20 - (void)tabContentsViewFrameWillChange:(NSRect)frameRect; | 22 - (void)tabContentsViewFrameWillChange:(NSRect)frameRect; |
21 // Notification from TabContents (forwarded by TabContentsNotificationBridge). | 23 // Notification from TabContents (forwarded by TabContentsNotificationBridge). |
22 - (void)tabContentsRenderViewHostChanged:(RenderViewHost*)oldHost | 24 - (void)tabContentsRenderViewHostChanged:(RenderViewHost*)oldHost |
23 newHost:(RenderViewHost*)newHost; | 25 newHost:(RenderViewHost*)newHost; |
24 @end | 26 @end |
25 | 27 |
26 | 28 |
27 // A supporting C++ bridge object to register for TabContents notifications. | 29 // A supporting C++ bridge object to register for TabContents notifications. |
28 | 30 |
29 class TabContentsNotificationBridge : public content::NotificationObserver { | 31 class TabContentsNotificationBridge : public content::NotificationObserver { |
30 public: | 32 public: |
31 explicit TabContentsNotificationBridge(TabContentsController* controller); | 33 explicit TabContentsNotificationBridge(TabContentsController* controller); |
32 | 34 |
33 // Overriden from content::NotificationObserver. | 35 // Overriden from content::NotificationObserver. |
34 virtual void Observe(int type, | 36 virtual void Observe(int type, |
35 const content::NotificationSource& source, | 37 const content::NotificationSource& source, |
36 const content::NotificationDetails& details); | 38 const content::NotificationDetails& details); |
37 // Register for |contents|'s notifications, remove all prior registrations. | 39 // Register for |contents|'s notifications, remove all prior registrations. |
38 void ChangeTabContents(TabContents* contents); | 40 void ChangeWebContents(WebContents* contents); |
39 private: | 41 private: |
40 content::NotificationRegistrar registrar_; | 42 content::NotificationRegistrar registrar_; |
41 TabContentsController* controller_; // weak, owns us | 43 TabContentsController* controller_; // weak, owns us |
42 }; | 44 }; |
43 | 45 |
44 TabContentsNotificationBridge::TabContentsNotificationBridge( | 46 TabContentsNotificationBridge::TabContentsNotificationBridge( |
45 TabContentsController* controller) | 47 TabContentsController* controller) |
46 : controller_(controller) { | 48 : controller_(controller) { |
47 } | 49 } |
48 | 50 |
49 void TabContentsNotificationBridge::Observe( | 51 void TabContentsNotificationBridge::Observe( |
50 int type, | 52 int type, |
51 const content::NotificationSource& source, | 53 const content::NotificationSource& source, |
52 const content::NotificationDetails& details) { | 54 const content::NotificationDetails& details) { |
53 if (type == content::NOTIFICATION_RENDER_VIEW_HOST_CHANGED) { | 55 if (type == content::NOTIFICATION_RENDER_VIEW_HOST_CHANGED) { |
54 RenderViewHostSwitchedDetails* switched_details = | 56 RenderViewHostSwitchedDetails* switched_details = |
55 content::Details<RenderViewHostSwitchedDetails>(details).ptr(); | 57 content::Details<RenderViewHostSwitchedDetails>(details).ptr(); |
56 [controller_ tabContentsRenderViewHostChanged:switched_details->old_host | 58 [controller_ tabContentsRenderViewHostChanged:switched_details->old_host |
57 newHost:switched_details->new_host]; | 59 newHost:switched_details->new_host]; |
58 } else { | 60 } else { |
59 NOTREACHED(); | 61 NOTREACHED(); |
60 } | 62 } |
61 } | 63 } |
62 | 64 |
63 void TabContentsNotificationBridge::ChangeTabContents(TabContents* contents) { | 65 void TabContentsNotificationBridge::ChangeWebContents(WebContents* contents) { |
64 registrar_.RemoveAll(); | 66 registrar_.RemoveAll(); |
65 if (contents) { | 67 if (contents) { |
66 registrar_.Add( | 68 registrar_.Add( |
67 this, | 69 this, |
68 content::NOTIFICATION_RENDER_VIEW_HOST_CHANGED, | 70 content::NOTIFICATION_RENDER_VIEW_HOST_CHANGED, |
69 content::Source<NavigationController>(&contents->GetController())); | 71 content::Source<NavigationController>(&contents->GetController())); |
70 } | 72 } |
71 } | 73 } |
72 | 74 |
73 | 75 |
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98 | 100 |
99 @implementation TabContentsController | 101 @implementation TabContentsController |
100 @synthesize tabContents = contents_; | 102 @synthesize tabContents = contents_; |
101 | 103 |
102 - (id)initWithContents:(TabContents*)contents | 104 - (id)initWithContents:(TabContents*)contents |
103 delegate:(id<TabContentsControllerDelegate>)delegate { | 105 delegate:(id<TabContentsControllerDelegate>)delegate { |
104 if ((self = [super initWithNibName:nil bundle:nil])) { | 106 if ((self = [super initWithNibName:nil bundle:nil])) { |
105 contents_ = contents; | 107 contents_ = contents; |
106 delegate_ = delegate; | 108 delegate_ = delegate; |
107 tabContentsBridge_.reset(new TabContentsNotificationBridge(self)); | 109 tabContentsBridge_.reset(new TabContentsNotificationBridge(self)); |
108 tabContentsBridge_->ChangeTabContents(contents); | 110 tabContentsBridge_->ChangeWebContents(contents); |
109 } | 111 } |
110 return self; | 112 return self; |
111 } | 113 } |
112 | 114 |
113 - (void)dealloc { | 115 - (void)dealloc { |
114 // make sure our contents have been removed from the window | 116 // make sure our contents have been removed from the window |
115 [[self view] removeFromSuperview]; | 117 [[self view] removeFromSuperview]; |
116 [super dealloc]; | 118 [super dealloc]; |
117 } | 119 } |
118 | 120 |
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157 with:contentsNativeView]; | 159 with:contentsNativeView]; |
158 } | 160 } |
159 // Restore autoresizing properties possibly stripped by | 161 // Restore autoresizing properties possibly stripped by |
160 // ensureContentsSizeDoesNotChange call. | 162 // ensureContentsSizeDoesNotChange call. |
161 [contentsNativeView setAutoresizingMask:NSViewWidthSizable| | 163 [contentsNativeView setAutoresizingMask:NSViewWidthSizable| |
162 NSViewHeightSizable]; | 164 NSViewHeightSizable]; |
163 } | 165 } |
164 | 166 |
165 - (void)changeTabContents:(TabContents*)newContents { | 167 - (void)changeTabContents:(TabContents*)newContents { |
166 contents_ = newContents; | 168 contents_ = newContents; |
167 tabContentsBridge_->ChangeTabContents(contents_); | 169 tabContentsBridge_->ChangeWebContents(contents_); |
168 } | 170 } |
169 | 171 |
170 - (void)tabContentsViewFrameWillChange:(NSRect)frameRect { | 172 - (void)tabContentsViewFrameWillChange:(NSRect)frameRect { |
171 [delegate_ tabContentsViewFrameWillChange:self frameRect:frameRect]; | 173 [delegate_ tabContentsViewFrameWillChange:self frameRect:frameRect]; |
172 } | 174 } |
173 | 175 |
174 - (void)tabContentsRenderViewHostChanged:(RenderViewHost*)oldHost | 176 - (void)tabContentsRenderViewHostChanged:(RenderViewHost*)oldHost |
175 newHost:(RenderViewHost*)newHost { | 177 newHost:(RenderViewHost*)newHost { |
176 if (oldHost && newHost && oldHost->view() && newHost->view()) { | 178 if (oldHost && newHost && oldHost->view() && newHost->view()) { |
177 newHost->view()->set_reserved_contents_rect( | 179 newHost->view()->set_reserved_contents_rect( |
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202 // the view may have, so avoid changing the view hierarchy unless | 204 // the view may have, so avoid changing the view hierarchy unless |
203 // the view is different. | 205 // the view is different. |
204 if ([self tabContents] != updatedContents) { | 206 if ([self tabContents] != updatedContents) { |
205 [self changeTabContents:updatedContents]; | 207 [self changeTabContents:updatedContents]; |
206 if ([self tabContents]) | 208 if ([self tabContents]) |
207 [self ensureContentsVisible]; | 209 [self ensureContentsVisible]; |
208 } | 210 } |
209 } | 211 } |
210 | 212 |
211 @end | 213 @end |
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