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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_PointerLockManager_h
#define mozilla_PointerLockManager_h
#include "mozilla/AlreadyAddRefed.h"
#include "nsIWeakReferenceUtils.h"
#include "nsThreadUtils.h"
namespace mozilla {
enum class StyleCursorKind : uint8_t;
namespace dom {
class BrowsingContext;
class BrowserParent;
enum class CallerType : uint32_t;
class Document;
class Element;
} // namespace dom
class PointerLockManager final {
public:
static void RequestLock(dom::Element* aElement, dom::CallerType aCallerType);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
static void Unlock(dom::Document* aDoc = nullptr);
static bool IsLocked() { return sIsLocked; }
static already_AddRefed<dom::Element> GetLockedElement();
static already_AddRefed<dom::Document> GetLockedDocument();
static dom::BrowserParent* GetLockedRemoteTarget();
/**
* Returns true if aContext and the current pointer locked document
* have common top BrowsingContext.
* Note that this method returns true only if caller is in the same process
* as pointer locked document.
*/
static bool IsInLockContext(mozilla::dom::BrowsingContext* aContext);
// Set/release pointer lock remote target. Should only be called in parent
// process.
static bool SetLockedRemoteTarget(dom::BrowserParent* aBrowserParent);
static void ReleaseLockedRemoteTarget(dom::BrowserParent* aBrowserParent);
private:
class PointerLockRequest final : public Runnable {
public:
PointerLockRequest(dom::Element* aElement, bool aUserInputOrChromeCaller);
MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHOD Run() final;
private:
nsWeakPtr mElement;
nsWeakPtr mDocument;
bool mUserInputOrChromeCaller;
};
static void ChangePointerLockedElement(dom::Element* aElement,
dom::Document* aDocument,
dom::Element* aPointerLockedElement);
MOZ_CAN_RUN_SCRIPT_BOUNDARY
static bool StartSetPointerLock(dom::Element* aElement,
dom::Document* aDocument);
MOZ_CAN_RUN_SCRIPT
static bool SetPointerLock(dom::Element* aElement, dom::Document* aDocument,
StyleCursorKind);
static bool sIsLocked;
};
} // namespace mozilla
#endif // mozilla_PointerLockManager_h
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