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