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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "PermissionDescriptor.h"
#include <wtf/CompletionHandler.h>
#include <wtf/RefPtr.h>
#include <wtf/ThreadSafeRefCounted.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
enum class PermissionName : uint8_t;
enum class PermissionQuerySource : uint8_t;
enum class PermissionState : uint8_t;
class Page;
class PermissionObserver;
struct ClientOrigin;
class SecurityOriginData;
class PermissionController : public ThreadSafeRefCounted<PermissionController> {
public:
static PermissionController& singleton();
WEBCORE_EXPORT static void setSharedController(Ref<PermissionController>&&);
virtual ~PermissionController() = default;
virtual void query(ClientOrigin&&, PermissionDescriptor, const WeakPtr<Page>&, PermissionQuerySource, CompletionHandler<void(std::optional<PermissionState>)>&&) = 0;
virtual void addObserver(PermissionObserver&) = 0;
virtual void removeObserver(PermissionObserver&) = 0;
virtual void permissionChanged(PermissionName, const SecurityOriginData&) = 0;
protected:
PermissionController() = default;
};
class DummyPermissionController final : public PermissionController {
public:
static Ref<DummyPermissionController> create() { return adoptRef(*new DummyPermissionController); }
private:
DummyPermissionController() = default;
void query(ClientOrigin&&, PermissionDescriptor, const WeakPtr<Page>&, PermissionQuerySource, CompletionHandler<void(std::optional<PermissionState>)>&& callback) final { callback({ }); }
void addObserver(PermissionObserver&) final { }
void removeObserver(PermissionObserver&) final { }
void permissionChanged(PermissionName, const SecurityOriginData&) final { }
};
} // namespace WebCore
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