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   ~CustomLauncherPageContents() override;
  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   content::WebContents* OpenURLFromTab(
  46       content::WebContents* source,
  47       const content::OpenURLParams& params) override;
  48   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   bool IsPopupOrPanel(const content::WebContents* source) const override;
  55   bool ShouldSuppressDialogs(content::WebContents* source) override;
  56   bool PreHandleGestureEvent(content::WebContents* source,
  57                              const blink::WebGestureEvent& event) override;
  58   content::ColorChooser* OpenColorChooser(
  59       content::WebContents* web_contents,
  60       SkColor color,
  61       const std::vector<content::ColorSuggestion>& suggestions) override;
  62   void RunFileChooser(content::WebContents* tab,
  63                       const content::FileChooserParams& params) override;
  64   void RequestToLockMouse(content::WebContents* web_contents,
  65                           bool user_gesture,
  66                           bool last_unlocked_by_target) override;
  67   void RequestMediaAccessPermission(
  68       content::WebContents* web_contents,
  69       const content::MediaStreamRequest& request,
  70       const content::MediaResponseCallback& callback) override;
  71   bool CheckMediaAccessPermission(content::WebContents* web_contents,
  72                                   const GURL& security_origin,
  73                                   content::MediaStreamType type) override;
  74
  75  private:
  76   // content::WebContentsObserver overrides:
  77   bool OnMessageReceived(const IPC::Message& message) override;
  78
  79   // extensions::ExtensionFunctionDispatcher::Delegate overrides:
  80   extensions::WindowController* GetExtensionWindowController() const override;
  81   content::WebContents* GetAssociatedWebContents() const override;
  82
  83   void OnRequest(const ExtensionHostMsg_Request_Params& params);
  84
  85   scoped_ptr<content::WebContents> web_contents_;
  86   scoped_ptr<extensions::ExtensionFunctionDispatcher>
  87       extension_function_dispatcher_;
  88   scoped_ptr<extensions::AppDelegate> app_delegate_;
  89   scoped_ptr<extensions::AppWebContentsHelper> helper_;
  90
  91   std::string extension_id_;
  92
  93   DISALLOW_COPY_AND_ASSIGN(CustomLauncherPageContents);
  94 };
  95
  96 }  // namespace apps
  97
  98 #endif  // APPS_CUSTOM_LAUNCHER_PAGE_CONTENTS_H_