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// Copyright (c) 2015 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_EXCLUSIVE_ACCESS_MOUSE_LOCK_CONTROLLER_H_
#define CHROME_BROWSER_UI_EXCLUSIVE_ACCESS_MOUSE_LOCK_CONTROLLER_H_
#include "chrome/browser/ui/exclusive_access/exclusive_access_controller_base.h"
#include "components/content_settings/core/common/content_settings.h"
// This class implements mouselock behavior.
class MouseLockController : public ExclusiveAccessControllerBase {
public:
MouseLockController(ExclusiveAccessManager* manager, Browser* browser);
~MouseLockController() override;
bool IsMouseLocked() const;
bool IsMouseLockSilentlyAccepted() const;
bool IsMouseLockRequested() const;
void RequestToLockMouse(content::WebContents* web_contents,
bool user_gesture,
bool last_unlocked_by_target);
// Override from ExclusiveAccessControllerBase
bool HandleUserPressedEscape() override;
void ExitExclusiveAccessToPreviousState() override;
bool OnAcceptExclusiveAccessPermission() override;
bool OnDenyExclusiveAccessPermission() override;
// Called by Browser::LostMouseLock.
void LostMouseLock();
void UnlockMouse();
private:
enum MouseLockState {
MOUSELOCK_NOT_REQUESTED,
// The page requests to lock the mouse and the user hasn't responded to the
// request.
MOUSELOCK_REQUESTED,
// Mouse lock has been allowed by the user.
MOUSELOCK_ACCEPTED,
// Mouse lock has been silently accepted, no notification to user.
MOUSELOCK_ACCEPTED_SILENTLY
};
void NotifyMouseLockChange();
void ExitExclusiveAccessIfNecessary() override;
void NotifyTabExclusiveAccessLost() override;
ContentSetting GetMouseLockSetting(const GURL& url) const;
MouseLockState mouse_lock_state_;
DISALLOW_COPY_AND_ASSIGN(MouseLockController);
};
#endif // CHROME_BROWSER_UI_EXCLUSIVE_ACCESS_MOUSE_LOCK_CONTROLLER_H_
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