apps/custom_launcher_page_contents.h

   1 // Copyright 2014 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 APPS_CUSTOM_LAUNCHER_PAGE_CONTENTS_H_
   6 #define APPS_CUSTOM_LAUNCHER_PAGE_CONTENTS_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "content/public/browser/web_contents_delegate.h"
  10 #include "content/public/browser/web_contents_observer.h"
  11 #include "extensions/browser/extension_function_dispatcher.h"
  12
  13 class GURL;
  14
  15 namespace content {
  16 class BrowserContext;
  17 }
  18
  19 namespace extensions {
  20 class AppDelegate;
  21 class AppWebContentsHelper;
  22 }
  23
  24 namespace apps {
  25
  26 // Manages the web contents for extension-hosted launcher pages. The
  27 // implementation for this class should create and maintain the WebContents for
  28 // the page, and handle any message passing between the web contents and the
  29 // extension system.
  30 class CustomLauncherPageContents
  31     : public content::WebContentsDelegate,
  32       public content::WebContentsObserver,
  33       public extensions::ExtensionFunctionDispatcher::Delegate {
  34  public:
  35   CustomLauncherPageContents(scoped_ptr<extensions::AppDelegate> app_delegate,
  36                              const std::string& extension_id);
  37   virtual ~CustomLauncherPageContents();
  38
  39   // Called to initialize and load the WebContents.
  40   void Initialize(content::BrowserContext* context, const GURL& url);
  41
  42   content::WebContents* web_contents() const { return web_contents_.get(); }
  43
  44   // content::WebContentsDelegate overrides:
  45   virtual content::WebContents* OpenURLFromTab(
  46       content::WebContents* source,
  47       const content::OpenURLParams& params) override;
  48   virtual void AddNewContents(content::WebContents* source,
  49                               content::WebContents* new_contents,
  50                               WindowOpenDisposition disposition,
  51                               const gfx::Rect& initial_pos,
  52                               bool user_gesture,
  53                               bool* was_blocked) override;
  54   virtual bool IsPopupOrPanel(
  55       const content::WebContents* source) const override;
  56   virtual bool ShouldSuppressDialogs() override;
  57   virtual bool PreHandleGestureEvent(
  58       content::WebContents* source,
  59       const blink::WebGestureEvent& event) override;
  60   virtual content::ColorChooser* OpenColorChooser(
  61       content::WebContents* web_contents,
  62       SkColor color,
  63       const std::vector<content::ColorSuggestion>& suggestions) override;
  64   virtual void RunFileChooser(
  65       content::WebContents* tab,
  66       const content::FileChooserParams& params) override;
  67   virtual void RequestToLockMouse(content::WebContents* web_contents,
  68                                   bool user_gesture,
  69                                   bool last_unlocked_by_target) override;
  70   virtual void RequestMediaAccessPermission(
  71       content::WebContents* web_contents,
  72       const content::MediaStreamRequest& request,
  73       const content::MediaResponseCallback& callback) override;
  74   virtual bool CheckMediaAccessPermission(
  75       content::WebContents* web_contents,
  76       const GURL& security_origin,
  77       content::MediaStreamType type) override;
  78
  79  private:
  80   // content::WebContentsObserver overrides:
  81   virtual bool OnMessageReceived(const IPC::Message& message) override;
  82
  83   // extensions::ExtensionFunctionDispatcher::Delegate overrides:
  84   virtual extensions::WindowController* GetExtensionWindowController()
  85       const override;
  86   virtual content::WebContents* GetAssociatedWebContents() const override;
  87
  88   void OnRequest(const ExtensionHostMsg_Request_Params& params);
  89
  90   scoped_ptr<content::WebContents> web_contents_;
  91   scoped_ptr<extensions::ExtensionFunctionDispatcher>
  92       extension_function_dispatcher_;
  93   scoped_ptr<extensions::AppDelegate> app_delegate_;
  94   scoped_ptr<extensions::AppWebContentsHelper> helper_;
  95
  96   std::string extension_id_;
  97
  98   DISALLOW_COPY_AND_ASSIGN(CustomLauncherPageContents);
  99 };
 100
 101 }  // namespace apps
 102
 103 #endif  // APPS_CUSTOM_LAUNCHER_PAGE_CONTENTS_H_