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// Copyright 2014 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 ASH_CONTENT_DISPLAY_SCREEN_ORIENTATION_DELEGATE_CHROMEOS_H_
#define ASH_CONTENT_DISPLAY_SCREEN_ORIENTATION_DELEGATE_CHROMEOS_H_
#include "base/macros.h"
#include "content/public/browser/screen_orientation_delegate.h"
#include "third_party/WebKit/public/platform/WebScreenOrientationLockType.h"
namespace aura {
class Window;
}
namespace content {
class WebContents;
}
namespace ash {
// Implements ChromeOS specific functionality for ScreenOrientationProvider.
class ScreenOrientationDelegate : public content::ScreenOrientationDelegate {
public:
ScreenOrientationDelegate();
virtual ~ScreenOrientationDelegate();
// content::ScreenOrientationDelegate:
bool FullScreenRequired(content::WebContents* web_contents) override;
void Lock(content::WebContents* web_contents,
blink::WebScreenOrientationLockType lock_orientation) override;
bool ScreenOrientationProviderSupported() override;
void Unlock(content::WebContents* web_contents) override;
private:
// Locks rotation to the angle matching the primary orientation for
// |lock_orientation|.
void LockRotationToPrimaryOrientation(
blink::WebScreenOrientationLockType lock_orientation);
// Locks rotation to the angle matching the secondary orientation for
// |lock_orientation|.
void LockRotationToSecondaryOrientation(
blink::WebScreenOrientationLockType lock_orientation);
// For orientations that do not specify primary or secondary, locks to the
// current rotation if it matches |lock_orientation|. Otherwise locks to a
// matching rotation.
void LockToRotationMatchingOrientation(
blink::WebScreenOrientationLockType lock_orientation);
// The window that has applied the current lock. No other window can apply a
// lock until the current window unlocks rotation.
aura::Window* locking_window_;
// The orientation of the display when at a rotation of 0.
blink::WebScreenOrientationLockType natural_orientation_;
DISALLOW_COPY_AND_ASSIGN(ScreenOrientationDelegate);
};
} // namespace ash
#endif // ASH_CONTENT_DISPLAY_SCREEN_ORIENTATION_DELEGATE_CHROMEOS_H_
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