"Redirecting URLs to Packaged Apps" implementation: revised

chrome/renderer/extensions/dispatcher.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_RENDERER_EXTENSIONS_DISPATCHER_H_
 #define CHROME_RENDERER_EXTENSIONS_DISPATCHER_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/memory/shared_memory.h"
 #include "base/timer/timer.h"
 #include "chrome/common/extensions/extension_set.h"
 #include "chrome/renderer/extensions/chrome_v8_context.h"
 #include "chrome/renderer/extensions/chrome_v8_context_set.h"
 #include "chrome/renderer/extensions/v8_schema_registry.h"
 #include "chrome/renderer/resource_bundle_source_map.h"
 #include "content/public/renderer/render_process_observer.h"
 #include "extensions/common/event_filter.h"
 #include "extensions/common/features/feature.h"
+#include "third_party/WebKit/public/web/WebNavigationPolicy.h"
+#include "third_party/WebKit/public/web/WebNavigationType.h"
 #include "v8/include/v8.h"
 
 class ChromeRenderViewTest;
 class GURL;
 class ModuleSystem;
 class URLPattern;
 struct ExtensionMsg_ExternalConnectionInfo;
 struct ExtensionMsg_Loaded_Params;
 
 namespace WebKit {
 class WebFrame;
 class WebSecurityOrigin;
+class WebURLRequest;
 }
 
 namespace base {
 class DictionaryValue;
 class ListValue;
 }
 
 namespace content {
 class RenderThread;
 }
@@ skipping 80 matching lines @@
 
   // Shared implementation of the various MessageInvoke IPCs.
   void InvokeModuleSystemMethod(
       content::RenderView* render_view,
       const std::string& extension_id,
       const std::string& module_name,
       const std::string& function_name,
       const base::ListValue& args,
       bool user_gesture);
 
+  // For top-level navigations, tries to find a platform app that has registered
+  // url_handlers matching the URL. If found, delegates further URL processing
+  // to the browser (the browser is supposed to launch the app), and returns
+  // true. Otherwise, returns false.
+  bool MaybeRedirectUrlToApp(WebKit::WebFrame* frame,
+                             const WebKit::WebURLRequest& request,
+                             WebKit::WebNavigationType type,
+                             WebKit::WebNavigationPolicy default_policy);
+
  private:
   friend class ::ChromeRenderViewTest;
   FRIEND_TEST_ALL_PREFIXES(RendererPermissionsPolicyDelegateTest,
                            CannotScriptWebstore);
   typedef void (*BindingInstaller)(ModuleSystem* module_system,
                                   v8::Handle<v8::Object> chrome);
 
   // RenderProcessObserver implementation:
   virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void WebKitInitialized() OVERRIDE;
@@ skipping 154 matching lines @@
   // The platforms system font family and size;
   std::string system_font_family_;
   std::string system_font_size_;
 
   DISALLOW_COPY_AND_ASSIGN(Dispatcher);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_DISPATCHER_H_