зеркало из https://github.com/mozilla/gecko-dev.git
60 строки
1.7 KiB
C++
60 строки
1.7 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_InputTaskManager_h
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#define mozilla_InputTaskManager_h
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#include "TaskController.h"
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namespace mozilla {
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class InputTaskManager : public TaskManager {
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public:
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int32_t GetPriorityModifierForEventLoopTurn(
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const MutexAutoLock& aProofOfLock) final;
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void WillRunTask() final;
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void DidRunTask() final;
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enum InputEventQueueState {
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STATE_DISABLED,
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STATE_FLUSHING,
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STATE_SUSPEND,
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STATE_ENABLED
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};
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void EnableInputEventPrioritization();
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void FlushInputEventPrioritization();
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void SuspendInputEventPrioritization();
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void ResumeInputEventPrioritization();
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InputEventQueueState State() { return mInputQueueState; }
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void SetState(InputEventQueueState aState) { mInputQueueState = aState; }
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TimeStamp InputHandlingStartTime() { return mInputHandlingStartTime; }
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void SetInputHandlingStartTime(TimeStamp aStartTime) {
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mInputHandlingStartTime = aStartTime;
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}
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static InputTaskManager* Get() { return gInputTaskManager.get(); }
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static void Cleanup() { gInputTaskManager = nullptr; }
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static void Init();
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private:
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InputTaskManager() : mInputQueueState(STATE_DISABLED) {}
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TimeStamp mInputHandlingStartTime;
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Atomic<InputEventQueueState> mInputQueueState;
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AutoTArray<TimeStamp, 4> mStartTimes;
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static StaticRefPtr<InputTaskManager> gInputTaskManager;
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};
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} // namespace mozilla
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#endif // mozilla_InputTaskManager_h
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