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

Issue 9146028: Define the public interface for content browser SiteInstance. This interface is implemented by th... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 8 years, 11 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_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"
11 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/scoped_ptr.h"
12 #include "content/browser/site_instance.h" 12 #include "content/browser/site_instance_impl.h"
13 #include "content/common/content_export.h" 13 #include "content/common/content_export.h"
14 #include "content/public/browser/notification_observer.h" 14 #include "content/public/browser/notification_observer.h"
15 #include "content/public/browser/notification_registrar.h" 15 #include "content/public/browser/notification_registrar.h"
16 #include "content/public/browser/render_view_host_delegate.h" 16 #include "content/public/browser/render_view_host_delegate.h"
17 17
18 class InterstitialPage; 18 class InterstitialPage;
19 class NavigationControllerImpl; 19 class NavigationControllerImpl;
20 class RenderViewHost; 20 class RenderViewHost;
21 class RenderWidgetHostView; 21 class RenderWidgetHostView;
22 class WebUIImpl; 22 class WebUIImpl;
23 23
24 namespace content { 24 namespace content {
25 class BrowserContext; 25 class BrowserContext;
26 class NavigationEntry; 26 class NavigationEntry;
27 class NavigationEntryImpl; 27 class NavigationEntryImpl;
28 class SiteInstance;
jam 2012/01/24 03:29:33 nit: not needed since you include the impl header
ananta 2012/01/24 23:46:26 Done.
28 } 29 }
29 30
30 // Manages RenderViewHosts for a TabContents. Normally there is only one and 31 // Manages RenderViewHosts for a TabContents. Normally there is only one and
31 // it is easy to do. But we can also have transitions of processes (and hence 32 // it is easy to do. But we can also have transitions of processes (and hence
32 // RenderViewHosts) that can get complex. 33 // RenderViewHosts) that can get complex.
33 class CONTENT_EXPORT RenderViewHostManager 34 class CONTENT_EXPORT RenderViewHostManager
34 : public content::RenderViewHostDelegate::RendererManagement, 35 : public content::RenderViewHostDelegate::RendererManagement,
35 public content::NotificationObserver { 36 public content::NotificationObserver {
36 public: 37 public:
37 // Functions implemented by our owner that we need. 38 // Functions implemented by our owner that we need.
(...skipping 56 matching lines...) Expand 10 before | Expand all | Expand 10 after
94 // They must outlive this class. The RenderViewHostDelegate is what will be 95 // They must outlive this class. The RenderViewHostDelegate is what will be
95 // installed into all RenderViewHosts that are created. 96 // installed into all RenderViewHosts that are created.
96 // 97 //
97 // You must call Init() before using this class. 98 // You must call Init() before using this class.
98 RenderViewHostManager(content::RenderViewHostDelegate* render_view_delegate, 99 RenderViewHostManager(content::RenderViewHostDelegate* render_view_delegate,
99 Delegate* delegate); 100 Delegate* delegate);
100 virtual ~RenderViewHostManager(); 101 virtual ~RenderViewHostManager();
101 102
102 // For arguments, see TabContents constructor. 103 // For arguments, see TabContents constructor.
103 void Init(content::BrowserContext* browser_context, 104 void Init(content::BrowserContext* browser_context,
104 SiteInstance* site_instance, 105 content::SiteInstance* site_instance,
105 int routing_id); 106 int routing_id);
106 107
107 // Returns the currently active RenderViewHost. 108 // Returns the currently active RenderViewHost.
108 // 109 //
109 // This will be non-NULL between Init() and Shutdown(). You may want to NULL 110 // This will be non-NULL between Init() and Shutdown(). You may want to NULL
110 // check it in many cases, however. Windows can send us messages during the 111 // check it in many cases, however. Windows can send us messages during the
111 // destruction process after it has been shut down. 112 // destruction process after it has been shut down.
112 RenderViewHost* current_host() const { 113 RenderViewHost* current_host() const {
113 return render_view_host_; 114 return render_view_host_;
114 } 115 }
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213 // RenderProcessHosts) even if the site instance would otherwise be the same. 214 // RenderProcessHosts) even if the site instance would otherwise be the same.
214 // As part of this, we'll also force new SiteInstances and BrowsingInstances. 215 // As part of this, we'll also force new SiteInstances and BrowsingInstances.
215 // Either of the entries may be NULL. 216 // Either of the entries may be NULL.
216 bool ShouldSwapProcessesForNavigation( 217 bool ShouldSwapProcessesForNavigation(
217 const content::NavigationEntry* cur_entry, 218 const content::NavigationEntry* cur_entry,
218 const content::NavigationEntryImpl* new_entry) const; 219 const content::NavigationEntryImpl* new_entry) const;
219 220
220 // Returns an appropriate SiteInstance object for the given NavigationEntry, 221 // Returns an appropriate SiteInstance object for the given NavigationEntry,
221 // possibly reusing the current SiteInstance. 222 // possibly reusing the current SiteInstance.
222 // Never called if --process-per-tab is used. 223 // Never called if --process-per-tab is used.
223 SiteInstance* GetSiteInstanceForEntry( 224 content::SiteInstance* GetSiteInstanceForEntry(
224 const content::NavigationEntryImpl& entry, 225 const content::NavigationEntryImpl& entry,
225 SiteInstance* curr_instance); 226 content::SiteInstance* curr_instance);
226 227
227 // Helper method to create a pending RenderViewHost for a cross-site 228 // Helper method to create a pending RenderViewHost for a cross-site
228 // navigation. 229 // navigation.
229 bool CreatePendingRenderView(const content::NavigationEntryImpl& entry, 230 bool CreatePendingRenderView(const content::NavigationEntryImpl& entry,
230 SiteInstance* instance); 231 content::SiteInstance* instance);
231 232
232 // Sets up the necessary state for a new RenderViewHost navigating to the 233 // Sets up the necessary state for a new RenderViewHost navigating to the
233 // given entry. 234 // given entry.
234 bool InitRenderView(RenderViewHost* render_view_host, 235 bool InitRenderView(RenderViewHost* render_view_host,
235 const content::NavigationEntryImpl& entry); 236 const content::NavigationEntryImpl& entry);
236 237
237 // Sets the pending RenderViewHost/WebUI to be the active one. Note that this 238 // Sets the pending RenderViewHost/WebUI to be the active one. Note that this
238 // doesn't require the pending render_view_host_ pointer to be non-NULL, since 239 // doesn't require the pending render_view_host_ pointer to be non-NULL, since
239 // there could be Web UI switching as well. Call this for every commit. 240 // there could be Web UI switching as well. Call this for every commit.
240 void CommitPending(); 241 void CommitPending();
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286 // The intersitial page currently shown if any, not own by this class 287 // The intersitial page currently shown if any, not own by this class
287 // (the InterstitialPage is self-owned, it deletes itself when hidden). 288 // (the InterstitialPage is self-owned, it deletes itself when hidden).
288 InterstitialPage* interstitial_page_; 289 InterstitialPage* interstitial_page_;
289 290
290 content::NotificationRegistrar registrar_; 291 content::NotificationRegistrar registrar_;
291 292
292 DISALLOW_COPY_AND_ASSIGN(RenderViewHostManager); 293 DISALLOW_COPY_AND_ASSIGN(RenderViewHostManager);
293 }; 294 };
294 295
295 #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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