Web Intents: Preparatory work.

chrome/browser/ui/tab_contents/tab_contents_wrapper.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "chrome/browser/autocomplete_history_manager.h"
 #include "chrome/browser/autofill/autofill_manager.h"
 #include "chrome/browser/automation/automation_tab_helper.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/custom_handlers/register_protocol_handler_infobar_delegate.h"
 #include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/extensions/extension_webnavigation_api.h"
 #include "chrome/browser/external_protocol/external_protocol_observer.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/history/history_tab_helper.h"
+#include "chrome/browser/intents/register_intent_handler_infobar_delegate.h"
 #include "chrome/browser/omnibox_search_hint.h"
 #include "chrome/browser/password_manager/password_manager.h"
 #include "chrome/browser/password_manager_delegate_impl.h"
 #include "chrome/browser/pdf_unsupported_feature.h"
 #include "chrome/browser/plugin_observer.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prerender/prerender_observer.h"
 #include "chrome/browser/printing/print_preview_message_handler.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/renderer_host/web_cache_manager.h"
@@ skipping 356 matching lines @@
   WebCacheManager::GetInstance()->ObserveActivity(
       tab_contents()->GetRenderProcessHost()->id());
 }
 
 bool TabContentsWrapper::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(TabContentsWrapper, message)
     IPC_MESSAGE_HANDLER(ViewHostMsg_JSOutOfMemory, OnJSOutOfMemory)
     IPC_MESSAGE_HANDLER(ViewHostMsg_RegisterProtocolHandler,
                         OnRegisterProtocolHandler)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_RegisterIntentHandler,
+                        OnRegisterIntentHandler)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Snapshot, OnSnapshot)
     IPC_MESSAGE_HANDLER(ViewHostMsg_PDFHasUnsupportedFeature,
                         OnPDFHasUnsupportedFeature)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidBlockDisplayingInsecureContent,
                         OnDidBlockDisplayingInsecureContent)
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidBlockRunningInsecureContent,
                         OnDidBlockRunningInsecureContent)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ skipping 153 matching lines @@
     return;
 
   if (!handler.IsEmpty() &&
       registry->CanSchemeBeOverridden(handler.protocol())) {
     AddInfoBar(new RegisterProtocolHandlerInfoBarDelegate(tab_contents(),
                                                           registry,
                                                           handler));
   }
 }
 
+void TabContentsWrapper::OnRegisterIntentHandler(const string16& action,
+                                                 const string16& type,
+                                                 const string16& href,
+                                                 const string16& title) {
+  if (profile()->IsOffTheRecord())
+    return;
+
+  if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableWebIntents))
+    return;
+
+  AddInfoBar(new RegisterIntentHandlerInfoBarDelegate(tab_contents()));
+}
+
 void TabContentsWrapper::OnSnapshot(const SkBitmap& bitmap) {
   NotificationService::current()->Notify(
       chrome::NOTIFICATION_TAB_SNAPSHOT_TAKEN,
       Source<TabContentsWrapper>(this),
       Details<const SkBitmap>(&bitmap));
 }
 
 void TabContentsWrapper::OnPDFHasUnsupportedFeature() {
   PDFHasUnsupportedFeature(this);
 }
@@ skipping 100 matching lines @@
   if (infobars_.empty()) {
     registrar_.Remove(this, content::NOTIFICATION_NAV_ENTRY_COMMITTED,
         Source<NavigationController>(&tab_contents_->controller()));
   }
 }
 
 void TabContentsWrapper::RemoveAllInfoBars(bool animate) {
   while (!infobars_.empty())
     RemoveInfoBarInternal(GetInfoBarDelegateAt(infobar_count() - 1), animate);
 }