chrome/browser/ui/tabs/tab_utils.h

// Copyright (c) 2012 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_UI_TABS_TAB_UTILS_H_
#define CHROME_BROWSER_UI_TABS_TAB_UTILS_H_

#include "base/memory/scoped_ptr.h"

namespace content {
class WebContents;
}  // namespace content

namespace gfx {
class Animation;
}  // namespace gfx

namespace chrome {

// Returns whether we should show a projecting favicon indicator for this tab.
bool ShouldShowProjectingIndicator(content::WebContents* contents);

// Returns whether we should show a recording favicon indicator for this tab.
bool ShouldShowRecordingIndicator(content::WebContents* contents);

// Returns whether the given |contents| is playing audio. We might choose to
// show an audio favicon indicator for this tab.
bool IsPlayingAudio(content::WebContents* contents);

// Returns whether the given |contents| is capturing video.
bool IsCapturingVideo(content::WebContents* contents);

// Returns whether the given |contents| is capturing video.
bool IsCapturingAudio(content::WebContents* contents);

// Returns an Animation that throbs a few times, and ends in the fully-on
// state. This is meant to be used for the tab recording/capture favicon
// overlay.
scoped_ptr<gfx::Animation> CreateTabRecordingIndicatorAnimation();

}  // namespace chrome

#endif  // CHROME_BROWSER_UI_TABS_TAB_UTILS_H_