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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 #include "content/browser/browser_plugin/browser_plugin_host.h" |
| 6 |
| 7 #include "content/browser/renderer_host/render_view_host_impl.h" |
| 8 #include "content/browser/web_contents/web_contents_impl.h" |
| 9 #include "content/common/browser_plugin_messages.h" |
| 10 #include "content/public/browser/notification_details.h" |
| 11 #include "content/public/browser/notification_source.h" |
| 12 #include "content/public/browser/notification_types.h" |
| 13 #include "content/public/browser/render_process_host.h" |
| 14 #include "content/public/browser/render_widget_host_view.h" |
| 15 #include "content/public/browser/site_instance.h" |
| 16 #include "ppapi/proxy/ppapi_messages.h" |
| 17 |
| 18 namespace content { |
| 19 |
| 20 BrowserPluginHost::BrowserPluginHost( |
| 21 WebContentsImpl* web_contents) |
| 22 : WebContentsObserver(web_contents), |
| 23 embedder_(NULL), |
| 24 instance_id_(0) { |
| 25 registrar_.Add(this, |
| 26 NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED, |
| 27 Source<RenderViewHost>( |
| 28 web_contents->GetRenderViewHost())); |
| 29 } |
| 30 |
| 31 BrowserPluginHost::~BrowserPluginHost() { |
| 32 } |
| 33 |
| 34 BrowserPluginHost* BrowserPluginHost::GetGuestByContainerID(int container_id) { |
| 35 ContainerInstanceMap::const_iterator it = |
| 36 guests_by_container_id_.find(container_id); |
| 37 if (it != guests_by_container_id_.end()) |
| 38 return it->second; |
| 39 return NULL; |
| 40 } |
| 41 |
| 42 void BrowserPluginHost::RegisterContainerInstance( |
| 43 int container_id, |
| 44 BrowserPluginHost* observer) { |
| 45 DCHECK(guests_by_container_id_.find(container_id) == |
| 46 guests_by_container_id_.end()); |
| 47 guests_by_container_id_[container_id] = observer; |
| 48 } |
| 49 |
| 50 bool BrowserPluginHost::OnMessageReceived(const IPC::Message& message) { |
| 51 bool handled = true; |
| 52 IPC_BEGIN_MESSAGE_MAP(BrowserPluginHost, message) |
| 53 IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_ConnectToChannel, |
| 54 OnConnectToChannel) |
| 55 IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_NavigateFromEmbedder, |
| 56 OnNavigateFromEmbedder) |
| 57 IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_NavigateFromGuest, |
| 58 OnNavigateFromGuest) |
| 59 IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_MapInstance, |
| 60 OnMapInstance) |
| 61 IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_ResizeGuest, OnResizeGuest) |
| 62 IPC_MESSAGE_UNHANDLED(handled = false) |
| 63 IPC_END_MESSAGE_MAP() |
| 64 return handled; |
| 65 } |
| 66 |
| 67 void BrowserPluginHost::OnResizeGuest(int width, int height) { |
| 68 // Tell the RenderWidgetHostView to adjust its size. |
| 69 web_contents()->GetRenderViewHost()->GetView()->SetSize( |
| 70 gfx::Size(width, height)); |
| 71 } |
| 72 |
| 73 void BrowserPluginHost::OnNavigateFromEmbedder( |
| 74 int instance_id, |
| 75 long long frame_id, |
| 76 const std::string& src, |
| 77 const gfx::Size& size) { |
| 78 BrowserPluginHost* guest_observer = GetGuestByContainerID(instance_id); |
| 79 WebContentsImpl* guest_web_contents = |
| 80 guest_observer ? |
| 81 static_cast<WebContentsImpl*>(guest_observer->web_contents()): NULL; |
| 82 if (!guest_observer) { |
| 83 GURL url(src); |
| 84 guest_web_contents = |
| 85 static_cast<WebContentsImpl*>( |
| 86 WebContents::Create( |
| 87 web_contents()->GetBrowserContext(), |
| 88 web_contents()->GetSiteInstance(), |
| 89 MSG_ROUTING_NONE, |
| 90 NULL, // base WebContents |
| 91 NULL // session storage namespace |
| 92 )); |
| 93 guest_observer = |
| 94 guest_web_contents->browser_plugin_host(); |
| 95 guest_observer->set_embedder(static_cast<WebContentsImpl*>(web_contents())); |
| 96 guest_observer->set_instance_id(instance_id); |
| 97 guest_observer->set_url(url); |
| 98 guest_observer->set_initial_size(size); |
| 99 RegisterContainerInstance(instance_id, guest_observer); |
| 100 AddGuest(guest_web_contents, frame_id); |
| 101 } |
| 102 |
| 103 // TODO(fsamuel): Set the WebContentsDelegate here. |
| 104 guest_observer->web_contents()->GetController().LoadURL( |
| 105 guest_observer->url(), |
| 106 Referrer(), |
| 107 PAGE_TRANSITION_HOME_PAGE, |
| 108 std::string()); |
| 109 } |
| 110 |
| 111 void BrowserPluginHost::OnNavigateFromGuest( |
| 112 PP_Instance instance, |
| 113 const std::string& src) { |
| 114 DCHECK(embedder()); |
| 115 GURL url(src); |
| 116 web_contents()->GetController().LoadURL( |
| 117 url, |
| 118 Referrer(), |
| 119 PAGE_TRANSITION_HOME_PAGE, |
| 120 std::string()); |
| 121 } |
| 122 |
| 123 void BrowserPluginHost::OnMapInstance(int container_id, PP_Instance instance) { |
| 124 BrowserPluginHost* guest_observer = GetGuestByContainerID(container_id); |
| 125 WebContentsImpl* guest_web_contents = |
| 126 static_cast<WebContentsImpl*>(guest_observer->web_contents()); |
| 127 RenderViewHost* rvh = guest_web_contents->GetPendingRenderViewHost() ? |
| 128 guest_web_contents->GetPendingRenderViewHost() : |
| 129 guest_web_contents->GetRenderViewHost(); |
| 130 // TODO(fsamuel): This is wrong. The current size of the plugin container |
| 131 // might not be equal to initial size on subsequent navigations. |
| 132 // BrowserPluginHost_MapInstance should also report the current size of |
| 133 // the container to the browser process. |
| 134 rvh->GetView()->SetSize(guest_observer->initial_size()); |
| 135 |
| 136 rvh->Send(new BrowserPluginMsg_CompleteNavigation( |
| 137 rvh->GetRoutingID(), |
| 138 instance)); |
| 139 } |
| 140 |
| 141 void BrowserPluginHost::OnConnectToChannel( |
| 142 const IPC::ChannelHandle& channel_handle) { |
| 143 DCHECK(embedder()); |
| 144 WebContentsImpl* embedder_web_contents = |
| 145 static_cast<WebContentsImpl*>(web_contents()); |
| 146 RenderViewHost* rvh = |
| 147 embedder_web_contents->GetPendingRenderViewHost() ? |
| 148 embedder_web_contents->GetPendingRenderViewHost() : |
| 149 embedder_web_contents->GetRenderViewHost(); |
| 150 // Tell the BrowserPlugin in the embedder that we're done and that it can |
| 151 // begin using the guest renderer. |
| 152 embedder()->GetRenderProcessHost()->Send( |
| 153 new BrowserPluginMsg_LoadGuest( |
| 154 instance_id(), |
| 155 rvh->GetProcess()->GetID(), |
| 156 channel_handle)); |
| 157 } |
| 158 |
| 159 void BrowserPluginHost::AddGuest(WebContentsImpl* guest, int64 frame_id) { |
| 160 guests_[guest] = frame_id; |
| 161 } |
| 162 |
| 163 void BrowserPluginHost::RemoveGuest(WebContentsImpl* guest) { |
| 164 guests_.erase(guest); |
| 165 } |
| 166 |
| 167 void BrowserPluginHost::DestroyGuests() { |
| 168 for (GuestMap::const_iterator it = guests_.begin(); |
| 169 it != guests_.end(); ++it) { |
| 170 WebContentsImpl* web_contents = it->first; |
| 171 delete web_contents; |
| 172 } |
| 173 guests_.clear(); |
| 174 guests_by_container_id_.clear(); |
| 175 } |
| 176 |
| 177 void BrowserPluginHost::DidCommitProvisionalLoadForFrame( |
| 178 int64 frame_id, |
| 179 bool is_main_frame, |
| 180 const GURL& url, |
| 181 PageTransition transition_type) { |
| 182 typedef std::set<WebContentsImpl*> GuestSet; |
| 183 GuestSet guests_to_delete; |
| 184 for (GuestMap::const_iterator it = guests_.begin(); |
| 185 it != guests_.end(); ++it) { |
| 186 WebContentsImpl* web_contents = it->first; |
| 187 if (it->second == frame_id) { |
| 188 guests_to_delete.insert(web_contents); |
| 189 } |
| 190 } |
| 191 for (GuestSet::const_iterator it = guests_to_delete.begin(); |
| 192 it != guests_to_delete.end(); ++it) { |
| 193 delete *it; |
| 194 guests_.erase(*it); |
| 195 } |
| 196 } |
| 197 |
| 198 void BrowserPluginHost::RenderViewDeleted(RenderViewHost* render_view_host) { |
| 199 DestroyGuests(); |
| 200 } |
| 201 |
| 202 void BrowserPluginHost::RenderViewGone(base::TerminationStatus status) { |
| 203 DestroyGuests(); |
| 204 } |
| 205 |
| 206 void BrowserPluginHost::WebContentsDestroyed(WebContents* web_contents) { |
| 207 DestroyGuests(); |
| 208 } |
| 209 |
| 210 void BrowserPluginHost::Observe( |
| 211 int type, |
| 212 const NotificationSource& source, |
| 213 const NotificationDetails& details) { |
| 214 DCHECK(type == NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED); |
| 215 bool visible = *Details<bool>(details).ptr(); |
| 216 |
| 217 // If the embedder is hidden we need to hide the guests as well. |
| 218 for (GuestMap::const_iterator it = guests_.begin(); |
| 219 it != guests_.end(); ++it) { |
| 220 WebContentsImpl* web_contents = it->first; |
| 221 if (visible) |
| 222 web_contents->ShowContents(); |
| 223 else |
| 224 web_contents->HideContents(); |
| 225 } |
| 226 } |
| 227 |
| 228 } // namespace content |
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