Desktop chrome tab capture-chooseDesktopMedia()

chrome/browser/media/desktop_media_list_ash.h

 // Copyright 2013 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_BROWSER_MEDIA_DESKTOP_MEDIA_LIST_ASH_H_
 #define CHROME_BROWSER_MEDIA_DESKTOP_MEDIA_LIST_ASH_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 12 matching lines @@
 class SingleReleaseCallback;
 }
 
 namespace gfx {
 class Image;
 }
 
 // Implementation of DesktopMediaList that shows native screens and
 // native windows.
 class DesktopMediaListAsh : public DesktopMediaList {
  public:

[qiangchen, 2015/12/07 22:45:56]

Any reason to move SourceTypes to the parent class?

[GeorgeZ, 2015/12/09 19:36:37]

This definition once shared with a sibling class. I will move it back to child
class.

-  enum SourceTypes {
-    SCREENS = 1,
-    WINDOWS = 2,
-  };
-
   explicit DesktopMediaListAsh(int source_types);
   ~DesktopMediaListAsh() override;
 
   // DesktopMediaList interface.
   void SetUpdatePeriod(base::TimeDelta period) override;
   void SetThumbnailSize(const gfx::Size& thumbnail_size) override;
   void StartUpdating(DesktopMediaListObserver* observer) override;
   int GetSourceCount() const override;
   const Source& GetSource(int index) const override;
   void SetViewDialogWindowId(content::DesktopMediaID dialog_id) override;
 
  private:
   // Struct used to represent sources list the model gets from the Worker.
   struct SourceDescription {
     SourceDescription(content::DesktopMediaID id, const base::string16& name);
+    SourceDescription() = default;
 
     content::DesktopMediaID id;
     base::string16 name;
+    gfx::ImageSkia thumbnail;
   };
 
   // Order comparator for sources. Used to sort list of sources.
   static bool CompareSources(const SourceDescription& a,
                              const SourceDescription& b);
 
   void Refresh();
   void EnumerateWindowsForRoot(
       std::vector<DesktopMediaListAsh::SourceDescription>* windows,
       aura::Window* root_window,
       int container_id);
+  void EnumerateTabs(
+      std::vector<DesktopMediaListAsh::SourceDescription>* sources);
   void EnumerateSources(
       std::vector<DesktopMediaListAsh::SourceDescription>* windows);
   void CaptureThumbnail(content::DesktopMediaID id, aura::Window* window);
   void OnThumbnailCaptured(content::DesktopMediaID id,
                            const gfx::Image& image);
 
   int source_types_;
 
   // Time interval between mode updates.
   base::TimeDelta update_period_;
@@ skipping 11 matching lines @@
   std::vector<Source> sources_;
 
   int pending_window_capture_requests_;
 
   base::WeakPtrFactory<DesktopMediaListAsh> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopMediaListAsh);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_DESKTOP_MEDIA_LIST_ASH_H_