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// 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"
#include "base/sequenced_task_runner.h"
#include "chrome/browser/media/desktop_media_list.h"
#include "content/public/browser/desktop_media_id.h"
class SkBitmap;
namespace aura {
class Window;
}
namespace cc {
class CopyOutputResult;
class SingleReleaseCallback;
}
namespace gfx {
class Image;
}
// Implementation of DesktopMediaList that shows native screens and
// native windows.
class DesktopMediaListAsh : public DesktopMediaList {
public:
enum SourceTypes {
SCREENS = 1,
WINDOWS = 2,
};
explicit DesktopMediaListAsh(int source_types);
virtual ~DesktopMediaListAsh();
// DesktopMediaList interface.
virtual void SetUpdatePeriod(base::TimeDelta period) override;
virtual void SetThumbnailSize(const gfx::Size& thumbnail_size) override;
virtual void StartUpdating(DesktopMediaListObserver* observer) override;
virtual int GetSourceCount() const override;
virtual const Source& GetSource(int index) const override;
virtual void SetViewDialogWindowId(
content::DesktopMediaID::Id 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);
content::DesktopMediaID id;
base::string16 name;
};
// 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 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_;
// Size of thumbnails generated by the model.
gfx::Size thumbnail_size_;
// ID of the hosting dialog.
content::DesktopMediaID::Id view_dialog_id_;
// The observer passed to StartUpdating().
DesktopMediaListObserver* observer_;
// Current list of sources.
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_
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