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      1 // Copyright 2013 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 CHROME_BROWSER_MEDIA_DESKTOP_MEDIA_PICKER_H_
      6 #define CHROME_BROWSER_MEDIA_DESKTOP_MEDIA_PICKER_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/callback_forward.h"
     10 #include "base/memory/scoped_ptr.h"
     11 #include "base/strings/string16.h"
     12 #include "content/public/common/desktop_media_id.h"
     13 #include "ui/gfx/native_widget_types.h"
     14 
     15 class DesktopMediaPickerModel;
     16 
     17 // Abstract interface for desktop media picker UI. It's used by Desktop Media
     18 // API to let user choose a desktop media source.
     19 class DesktopMediaPicker {
     20  public:
     21   typedef base::Callback<void(content::DesktopMediaID)> DoneCallback;
     22 
     23   // Creates default implementation of DesktopMediaPicker for the current
     24   // platform.
     25   static scoped_ptr<DesktopMediaPicker> Create();
     26 
     27   DesktopMediaPicker() {}
     28   virtual ~DesktopMediaPicker() {}
     29 
     30   // Shows dialog with list of desktop media sources (screens, windows, tabs)
     31   // provided by |model| and calls |done_callback| when user chooses one of the
     32   // sources or closes the dialog.
     33   virtual void Show(gfx::NativeWindow context,
     34                     gfx::NativeWindow parent,
     35                     const string16& app_name,
     36                     scoped_ptr<DesktopMediaPickerModel> model,
     37                     const DoneCallback& done_callback) = 0;
     38 
     39  private:
     40   DISALLOW_COPY_AND_ASSIGN(DesktopMediaPicker);
     41 };
     42 
     43 #endif  // CHROME_BROWSER_MEDIA_DESKTOP_MEDIA_PICKER_H_
     44