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Unified Diff: chrome/browser/media/desktop_media_picker_model.h

Issue 89683003: Rename DesktopMediaPickerModel[Impl]->[Native]DesktopMediaList (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years ago
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Index: chrome/browser/media/desktop_media_picker_model.h
diff --git a/chrome/browser/media/desktop_media_picker_model.h b/chrome/browser/media/desktop_media_picker_model.h
deleted file mode 100644
index 839ffc7eddf9468e3ff93faa2b1b65c1c4e1e7e6..0000000000000000000000000000000000000000
--- a/chrome/browser/media/desktop_media_picker_model.h
+++ /dev/null
@@ -1,157 +0,0 @@
-// 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_PICKER_MODEL_H_
-#define CHROME_BROWSER_MEDIA_DESKTOP_MEDIA_PICKER_MODEL_H_
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/sequenced_task_runner.h"
-#include "content/public/common/desktop_media_id.h"
-#include "ui/gfx/image/image_skia.h"
-
-namespace webrtc {
-class ScreenCapturer;
-class WindowCapturer;
-}
-
-// DesktopMediaPickerModel provides the list of desktop media source (screens,
-// windows, tabs), and their thumbnails, to the desktop media picker dialog. It
-// transparently updates the list in the background, and notifies the desktop
-// media picker when something changes.
-class DesktopMediaPickerModel {
- public:
- // Interface implemented by the picker dialog to receive notifications when
- // the model's contents change.
- class Observer {
- public:
- virtual ~Observer() {}
-
- virtual void OnSourceAdded(int index) = 0;
- virtual void OnSourceRemoved(int index) = 0;
- virtual void OnSourceNameChanged(int index) = 0;
- virtual void OnSourceThumbnailChanged(int index) = 0;
- };
-
- // Struct used to represent each entry in the model.
- struct Source {
- Source(content::DesktopMediaID id, const string16& name);
-
- // Id of the source.
- content::DesktopMediaID id;
-
- // Name of the source that should be shown to the user.
- string16 name;
-
- // The thumbnail for the source.
- gfx::ImageSkia thumbnail;
- };
-
- virtual ~DesktopMediaPickerModel() {}
-
- // Sets time interval between updates. By default list of sources and their
- // thumbnail are updated once per second. If called after StartUpdating() then
- // it will take effect only after the next update.
- virtual void SetUpdatePeriod(base::TimeDelta period) = 0;
-
- // Sets size to which the thumbnails should be scaled. If called after
- // StartUpdating() then some thumbnails may be still scaled to the old size
- // until they are updated.
- virtual void SetThumbnailSize(const gfx::Size& thumbnail_size) = 0;
-
- // Sets ID of the hosting desktop picker dialog. The window with this ID will
- // be filtered out from the list of sources.
- virtual void SetViewDialogWindowId(content::DesktopMediaID::Id dialog_id) = 0;
-
- // Starts updating the model. The model is initially empty, so OnSourceAdded()
- // notifications will be generated for each existing source as it is
- // enumerated. After the initial enumeration the model will be refreshed based
- // on the update period, and notifications generated only for changes in the
- // model.
- virtual void StartUpdating(Observer* observer) = 0;
-
- virtual int source_count() const = 0;
- virtual const Source& source(int index) const = 0;
-};
-
-class DesktopMediaPickerModelImpl : public DesktopMediaPickerModel {
- public:
- // Caller may pass NULL for either of the arguments in case when only some
- // types of sources the model should be populated with (e.g. it will only
- // contain windows, if |screen_capturer| is NULL).
- DesktopMediaPickerModelImpl(
- scoped_ptr<webrtc::ScreenCapturer> screen_capturer,
- scoped_ptr<webrtc::WindowCapturer> window_capturer);
- virtual ~DesktopMediaPickerModelImpl();
-
- // DesktopMediaPickerModel interface.
- virtual void SetUpdatePeriod(base::TimeDelta period) OVERRIDE;
- virtual void SetThumbnailSize(const gfx::Size& thumbnail_size) OVERRIDE;
- virtual void StartUpdating(Observer* observer) OVERRIDE;
- virtual int source_count() const OVERRIDE;
- virtual const Source& source(int index) const OVERRIDE;
- virtual void SetViewDialogWindowId(
- content::DesktopMediaID::Id dialog_id) OVERRIDE;
-
- private:
- class Worker;
- friend class Worker;
-
- // Struct used to represent sources list the model gets from the Worker.
- struct SourceDescription {
- SourceDescription(content::DesktopMediaID id, const string16& name);
-
- content::DesktopMediaID id;
- string16 name;
- };
-
- // Order comparator for sources. Used to sort list of sources.
- static bool CompareSources(const SourceDescription& a,
- const SourceDescription& b);
-
- // Post a task for the |worker_| to update list of windows and get thumbnails.
- void Refresh();
-
- // Called by |worker_| to refresh the model. First it posts tasks for
- // OnSourcesList() with the fresh list of sources, then follows with
- // OnSourceThumbnail() for each changed thumbnail and then calls
- // OnRefreshFinished() at the end.
- void OnSourcesList(const std::vector<SourceDescription>& sources);
- void OnSourceThumbnail(int index, const gfx::ImageSkia& thumbnail);
- void OnRefreshFinished();
-
- // Capturers specified in SetCapturers() and passed to the |worker_| later.
- scoped_ptr<webrtc::ScreenCapturer> screen_capturer_;
- scoped_ptr<webrtc::WindowCapturer> window_capturer_;
-
- // 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().
- Observer* observer_;
-
- // Task runner used for the |worker_|.
- scoped_refptr<base::SequencedTaskRunner> capture_task_runner_;
-
- // An object that does all the work of getting list of sources on a background
- // thread (see |capture_task_runner_|). Destroyed on |capture_task_runner_|
- // after the model is destroyed.
- scoped_ptr<Worker> worker_;
-
- // Current list of sources.
- std::vector<Source> sources_;
-
- base::WeakPtrFactory<DesktopMediaPickerModelImpl> weak_factory_;
-
- DISALLOW_COPY_AND_ASSIGN(DesktopMediaPickerModelImpl);
-};
-
-#endif // CHROME_BROWSER_MEDIA_DESKTOP_MEDIA_PICKER_MODEL_H_
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