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Side by Side Diff: content/browser/web_contents/render_view_host_manager.h

Issue 10038026: TabContents -> WebContentsImpl, part 12. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 8 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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_WEB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_ 5 #ifndef CONTENT_BROWSER_WEB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_
6 #define CONTENT_BROWSER_WEB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_ 6 #define CONTENT_BROWSER_WEB_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 namespace content { 22 namespace content {
23 class BrowserContext; 23 class BrowserContext;
24 class NavigationEntry; 24 class NavigationEntry;
25 class NavigationEntryImpl; 25 class NavigationEntryImpl;
26 class RenderViewHost; 26 class RenderViewHost;
27 class RenderViewHostImpl; 27 class RenderViewHostImpl;
28 class RenderWidgetHostView; 28 class RenderWidgetHostView;
29 class TestWebContents; 29 class TestWebContents;
30 } 30 }
31 31
32 // Manages RenderViewHosts for a TabContents. Normally there is only one and 32 // Manages RenderViewHosts for a WebContentsImpl. Normally there is only one and
33 // it is easy to do. But we can also have transitions of processes (and hence 33 // it is easy to do. But we can also have transitions of processes (and hence
34 // RenderViewHosts) that can get complex. 34 // RenderViewHosts) that can get complex.
35 class CONTENT_EXPORT RenderViewHostManager 35 class CONTENT_EXPORT RenderViewHostManager
36 : public content::RenderViewHostDelegate::RendererManagement, 36 : public content::RenderViewHostDelegate::RendererManagement,
37 public content::NotificationObserver { 37 public content::NotificationObserver {
38 public: 38 public:
39 // Functions implemented by our owner that we need. 39 // Functions implemented by our owner that we need.
40 // 40 //
41 // TODO(brettw) Clean this up! These are all the functions in TabContents that 41 // TODO(brettw) Clean this up! These are all the functions in WebContentsImpl
42 // are required to run this class. The design should probably be better such 42 // that are required to run this class. The design should probably be better
43 // that these are more clear. 43 // such that these are more clear.
44 // 44 //
45 // There is additional complexity that some of the functions we need in 45 // There is additional complexity that some of the functions we need in
46 // TabContents are inherited and non-virtual. These are named with 46 // WebContentsImpl are inherited and non-virtual. These are named with
47 // "RenderManager" so that the duplicate implementation of them will be clear. 47 // "RenderManager" so that the duplicate implementation of them will be clear.
48 class CONTENT_EXPORT Delegate { 48 class CONTENT_EXPORT Delegate {
49 public: 49 public:
50 // Initializes the given renderer if necessary and creates the view ID 50 // Initializes the given renderer if necessary and creates the view ID
51 // corresponding to this view host. If this method is not called and the 51 // corresponding to this view host. If this method is not called and the
52 // process is not shared, then the TabContents will act as though the 52 // process is not shared, then the WebContentsImpl will act as though the
53 // renderer is not running (i.e., it will render "sad tab"). This method is 53 // renderer is not running (i.e., it will render "sad tab"). This method is
54 // automatically called from LoadURL. 54 // automatically called from LoadURL.
55 // 55 //
56 // If you are attaching to an already-existing RenderView, you should call 56 // If you are attaching to an already-existing RenderView, you should call
57 // InitWithExistingID. 57 // InitWithExistingID.
58 virtual bool CreateRenderViewForRenderManager( 58 virtual bool CreateRenderViewForRenderManager(
59 content::RenderViewHost* render_view_host) = 0; 59 content::RenderViewHost* render_view_host) = 0;
60 virtual void BeforeUnloadFiredFromRenderManager( 60 virtual void BeforeUnloadFiredFromRenderManager(
61 bool proceed, bool* proceed_to_fire_unload) = 0; 61 bool proceed, bool* proceed_to_fire_unload) = 0;
62 virtual void DidStartLoadingFromRenderManager( 62 virtual void DidStartLoadingFromRenderManager(
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after
94 94
95 // Both delegate pointers must be non-NULL and are not owned by this class. 95 // Both delegate pointers must be non-NULL and are not owned by this class.
96 // They must outlive this class. The RenderViewHostDelegate is what will be 96 // They must outlive this class. The RenderViewHostDelegate is what will be
97 // installed into all RenderViewHosts that are created. 97 // installed into all RenderViewHosts that are created.
98 // 98 //
99 // You must call Init() before using this class. 99 // You must call Init() before using this class.
100 RenderViewHostManager(content::RenderViewHostDelegate* render_view_delegate, 100 RenderViewHostManager(content::RenderViewHostDelegate* render_view_delegate,
101 Delegate* delegate); 101 Delegate* delegate);
102 virtual ~RenderViewHostManager(); 102 virtual ~RenderViewHostManager();
103 103
104 // For arguments, see TabContents constructor. 104 // For arguments, see WebContentsImpl constructor.
105 void Init(content::BrowserContext* browser_context, 105 void Init(content::BrowserContext* browser_context,
106 content::SiteInstance* site_instance, 106 content::SiteInstance* site_instance,
107 int routing_id); 107 int routing_id);
108 108
109 // Returns the currently active RenderViewHost. 109 // Returns the currently active RenderViewHost.
110 // 110 //
111 // This will be non-NULL between Init() and Shutdown(). You may want to NULL 111 // This will be non-NULL between Init() and Shutdown(). You may want to NULL
112 // check it in many cases, however. Windows can send us messages during the 112 // check it in many cases, however. Windows can send us messages during the
113 // destruction process after it has been shut down. 113 // destruction process after it has been shut down.
114 content::RenderViewHostImpl* current_host() const; 114 content::RenderViewHostImpl* current_host() const;
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288 // The intersitial page currently shown if any, not own by this class 288 // The intersitial page currently shown if any, not own by this class
289 // (the InterstitialPage is self-owned, it deletes itself when hidden). 289 // (the InterstitialPage is self-owned, it deletes itself when hidden).
290 InterstitialPageImpl* interstitial_page_; 290 InterstitialPageImpl* interstitial_page_;
291 291
292 content::NotificationRegistrar registrar_; 292 content::NotificationRegistrar registrar_;
293 293
294 DISALLOW_COPY_AND_ASSIGN(RenderViewHostManager); 294 DISALLOW_COPY_AND_ASSIGN(RenderViewHostManager);
295 }; 295 };
296 296
297 #endif // CONTENT_BROWSER_WEB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_ 297 #endif // CONTENT_BROWSER_WEB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_
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