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// Copyright 2019 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 THIRD_PARTY_BLINK_RENDERER_MODULES_WAKE_LOCK_WAKE_LOCK_MANAGER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WAKE_LOCK_WAKE_LOCK_MANAGER_H_
#include "base/gtest_prod_util.h"
#include "services/device/public/mojom/wake_lock.mojom-blink-forward.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/modules/wake_lock/wake_lock_type.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_wrapper_mode.h"
namespace blink {
class ExecutionContext;
class ScriptPromiseResolver;
class WakeLockSentinel;
// https://w3c.github.io/wake-lock/#concepts-and-state-record
// Per-document and per-wake lock type internal data.
class MODULES_EXPORT WakeLockManager final
: public GarbageCollected<WakeLockManager> {
public:
WakeLockManager(ExecutionContext*, WakeLockType);
void AcquireWakeLock(ScriptPromiseResolver*);
void ClearWakeLocks();
void UnregisterSentinel(WakeLockSentinel*);
void Trace(Visitor* visitor);
private:
// Handle connection errors from |wake_lock_|.
void OnWakeLockConnectionError();
// A set with all WakeLockSentinel instances belonging to this
// Navigator/WorkerNavigator.
HeapHashSet<Member<WakeLockSentinel>> wake_lock_sentinels_;
// An actual platform WakeLock. If bound, it means there is an active wake
// lock for a given type.
HeapMojoRemote<device::mojom::blink::WakeLock,
HeapMojoWrapperMode::kWithoutContextObserver>
wake_lock_;
WakeLockType wake_lock_type_;
// ExecutionContext from which we will connect to |wake_lock_service_|.
Member<ExecutionContext> execution_context_;
FRIEND_TEST_ALL_PREFIXES(WakeLockManagerTest, AcquireWakeLock);
FRIEND_TEST_ALL_PREFIXES(WakeLockManagerTest, ReleaseAllWakeLocks);
FRIEND_TEST_ALL_PREFIXES(WakeLockManagerTest, ReleaseOneWakeLock);
FRIEND_TEST_ALL_PREFIXES(WakeLockManagerTest, ClearWakeLocks);
FRIEND_TEST_ALL_PREFIXES(WakeLockManagerTest, WakeLockConnectionError);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WAKE_LOCK_WAKE_LOCK_MANAGER_H_
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