extensions/browser/app_window/app_delegate.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 EXTENSIONS_BROWSER_APP_WINDOW_APP_DELEGATE_H_
   6 #define EXTENSIONS_BROWSER_APP_WINDOW_APP_DELEGATE_H_
   7
   8 #include "base/callback_forward.h"
   9 #include "content/public/common/media_stream_request.h"
  10 #include "third_party/skia/include/core/SkColor.h"
  11 #include "ui/base/window_open_disposition.h"
  12
  13 namespace content {
  14 class BrowserContext;
  15 class ColorChooser;
  16 struct FileChooserParams;
  17 struct OpenURLParams;
  18 class RenderViewHost;
  19 class WebContents;
  20 }
  21
  22 namespace gfx {
  23 class Rect;
  24 class Size;
  25 }
  26
  27 namespace extensions {
  28
  29 class Extension;
  30
  31 // Interface to give packaged apps access to services in the browser, for things
  32 // like handling links and showing UI prompts to the user.
  33 class AppDelegate {
  34  public:
  35   virtual ~AppDelegate() {}
  36
  37   // General initialization.
  38   virtual void InitWebContents(content::WebContents* web_contents) = 0;
  39   virtual void RenderViewCreated(content::RenderViewHost* render_view_host) = 0;
  40
  41   // Resizes WebContents.
  42   virtual void ResizeWebContents(content::WebContents* web_contents,
  43                                  const gfx::Size& size) = 0;
  44
  45   // Link handling.
  46   virtual content::WebContents* OpenURLFromTab(
  47       content::BrowserContext* context,
  48       content::WebContents* source,
  49       const content::OpenURLParams& params) = 0;
  50   virtual void AddNewContents(content::BrowserContext* context,
  51                               content::WebContents* new_contents,
  52                               WindowOpenDisposition disposition,
  53                               const gfx::Rect& initial_rect,
  54                               bool user_gesture,
  55                               bool* was_blocked) = 0;
  56
  57   // Feature support.
  58   virtual content::ColorChooser* ShowColorChooser(
  59       content::WebContents* web_contents,
  60       SkColor initial_color) = 0;
  61   virtual void RunFileChooser(content::WebContents* tab,
  62                               const content::FileChooserParams& params) = 0;
  63   virtual void RequestMediaAccessPermission(
  64       content::WebContents* web_contents,
  65       const content::MediaStreamRequest& request,
  66       const content::MediaResponseCallback& callback,
  67       const Extension* extension) = 0;
  68   virtual bool CheckMediaAccessPermission(content::WebContents* web_contents,
  69                                           const GURL& security_origin,
  70                                           content::MediaStreamType type,
  71                                           const Extension* extension) = 0;
  72   virtual int PreferredIconSize() = 0;
  73
  74   // Web contents modal dialog support.
  75   virtual void SetWebContentsBlocked(content::WebContents* web_contents,
  76                                      bool blocked) = 0;
  77   virtual bool IsWebContentsVisible(content::WebContents* web_contents) = 0;
  78
  79   // |callback| will be called when the process is about to terminate.
  80   virtual void SetTerminatingCallback(const base::Closure& callback) = 0;
  81
  82   // Called when the app is hidden or shown.
  83   virtual void OnHide() = 0;
  84   virtual void OnShow() = 0;
  85 };
  86
  87 }  // namespace extensions
  88
  89 #endif  // EXTENSIONS_BROWSER_APP_WINDOW_APP_DELEGATE_H_