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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_HOST_H__ | |
| 6 #define CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_HOST_H__ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <map> | |
| 10 | |
| 11 #include "content/public/browser/notification_observer.h" | |
| 12 #include "content/public/browser/notification_registrar.h" | |
| 13 #include "content/public/browser/web_contents_delegate.h" | |
| 14 #include "content/public/browser/web_contents_observer.h" | |
| 15 #include "ppapi/c/pp_instance.h" | |
| 16 #include "ui/gfx/size.h" | |
| 17 | |
| 18 class WebContentsImpl; | |
| 19 | |
| 20 namespace content { | |
| 21 | |
| 22 class RenderProcessHost; | |
| 23 | |
| 24 // A BrowserPluginHost object is used by both embedders and guests. | |
| 25 // The primary purpose of BrowserPluginHost is to allow an embedder | |
| 26 // to manage the lifetime of its guests. It cleans up its guests | |
| 27 // on navigation, crashes, and "hides" guests when it hides. | |
| 28 // For the guest, BrowserPluginHost keeps track of its embedder, | |
| 29 // and its BrowserPlugin instance ID. | |
| 30 class BrowserPluginHost : public WebContentsObserver, | |
| 31 public NotificationObserver, | |
| 32 public WebContentsDelegate { | |
| 33 public: | |
| 34 // BrowserPluginHost is owned by a WebContentsImpl. Here it takes in its | |
| 35 // owner. The owner can be either a guest or embedder WebContents. | |
| 36 explicit BrowserPluginHost(WebContentsImpl* web_contents); | |
| 37 | |
| 38 virtual ~BrowserPluginHost(); | |
| 39 | |
| 40 void ConnectEmbedderToChannel(RenderViewHost* render_view_host, | |
| 41 const IPC::ChannelHandle& handle); | |
| 42 | |
| 43 // This is called on the first navigation of the browser plugin. It creates | |
| 44 // a new WebContentsImpl for the guest, associates it with its embedder, sets | |
| 45 // its size and navigates it to the src URL. | |
| 46 void NavigateGuestFromEmbedder(RenderViewHost* render_view_host, | |
| 47 int container_instance_id, | |
| 48 long long frame_id, | |
| 49 const std::string& src); | |
| 50 | |
| 51 RenderProcessHost* embedder_render_process_host() const { | |
| 52 return embedder_render_process_host_; | |
| 53 } | |
| 54 int instance_id() const { return instance_id_; } | |
| 55 | |
| 56 private: | |
| 57 typedef std::map<WebContentsImpl*, int64> GuestMap; | |
| 58 typedef std::map<int, BrowserPluginHost*> ContainerInstanceMap; | |
| 59 | |
| 60 // Get a guest BrowserPluginHost by its container ID specified | |
| 61 // in BrowserPlugin. | |
| 62 BrowserPluginHost* GetGuestByContainerID(int container_id); | |
| 63 | |
| 64 // Associate a guest with its container instance ID. | |
| 65 void RegisterContainerInstance( | |
| 66 int container_id, | |
| 67 BrowserPluginHost* observer); | |
| 68 | |
| 69 // An embedder BrowserPluginHost keeps track of | |
| 70 // its guests so that if it navigates away, its associated RenderView | |
| 71 // crashes or it is hidden, it takes appropriate action on the guest. | |
| 72 void AddGuest(WebContentsImpl* guest, int64 frame_id); | |
| 73 | |
| 74 // This removes a guest from an embedder's guest list. | |
| 75 // TODO(fsamuel): Use this when deleting guest after they crash. | |
| 76 // ToT plugin crash handling seems to be broken in this case and so I can't | |
| 77 // test this scenario at the moment. Delete this comment once fixed. | |
| 78 void RemoveGuest(WebContentsImpl* guest); | |
| 79 | |
| 80 void set_embedder_render_process_host( | |
| 81 RenderProcessHost* embedder_render_process_host) { | |
| 82 embedder_render_process_host_ = embedder_render_process_host; | |
| 83 } | |
| 84 void set_instance_id(int instance_id) { instance_id_ = instance_id; } | |
| 85 | |
| 86 void OnNavigateFromGuest(PP_Instance instance, | |
| 87 const std::string& src); | |
| 88 | |
| 89 void DestroyGuests(); | |
| 90 | |
| 91 // WebContentsDelegate implementation. | |
| 92 virtual bool TakeFocus(bool reverse) OVERRIDE; | |
| 93 | |
| 94 // WebContentObserver implementation. | |
| 95 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; | |
| 96 // Used to monitor frame navigation to cleanup guests when a frame navigates | |
| 97 // away from the browser plugin it's hosting. | |
| 98 virtual void DidCommitProvisionalLoadForFrame( | |
| 99 int64 frame_id, | |
| 100 bool is_main_frame, | |
| 101 const GURL& url, | |
| 102 PageTransition transition_type, | |
| 103 RenderViewHost* render_view_host) OVERRIDE; | |
| 104 virtual void RenderViewDeleted(RenderViewHost* render_view_host) OVERRIDE; | |
| 105 virtual void RenderViewGone(base::TerminationStatus status) OVERRIDE; | |
| 106 virtual void WebContentsDestroyed(WebContents* web_contents) OVERRIDE; | |
| 107 | |
| 108 // NotificationObserver method override. | |
| 109 virtual void Observe(int type, | |
| 110 const NotificationSource& source, | |
| 111 const NotificationDetails& details) OVERRIDE; | |
| 112 | |
| 113 // A scoped container for notification registries. | |
| 114 NotificationRegistrar registrar_; | |
| 115 RenderProcessHost* embedder_render_process_host_; | |
| 116 std::string embedder_channel_name_; | |
| 117 // An identifier that uniquely identifies a browser plugin container | |
| 118 // within an embedder. | |
| 119 int instance_id_; | |
| 120 gfx::Size initial_size_; | |
| 121 GuestMap guests_; | |
| 122 ContainerInstanceMap guests_by_container_id_; | |
| 123 | |
| 124 DISALLOW_COPY_AND_ASSIGN(BrowserPluginHost); | |
| 125 }; | |
| 126 | |
| 127 } // namespace content | |
| 128 | |
| 129 #endif // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_HOST_H_ | |
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Chromium Code Reviews
Issue 10555029:
Browser Plugin: Move to old directories (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src