зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.6 KiB
C++
78 строки
2.6 KiB
C++
/* -*- 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/. */
|
|
|
|
#include "InputTaskManager.h"
|
|
|
|
namespace mozilla {
|
|
|
|
StaticRefPtr<InputTaskManager> InputTaskManager::gInputTaskManager;
|
|
|
|
void InputTaskManager::EnableInputEventPrioritization() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(mInputQueueState == STATE_DISABLED);
|
|
mInputQueueState = STATE_ENABLED;
|
|
mInputHandlingStartTime = TimeStamp();
|
|
}
|
|
|
|
void InputTaskManager::FlushInputEventPrioritization() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(mInputQueueState == STATE_ENABLED ||
|
|
mInputQueueState == STATE_SUSPEND);
|
|
mInputQueueState =
|
|
mInputQueueState == STATE_ENABLED ? STATE_FLUSHING : STATE_SUSPEND;
|
|
}
|
|
|
|
void InputTaskManager::SuspendInputEventPrioritization() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(mInputQueueState == STATE_ENABLED ||
|
|
mInputQueueState == STATE_FLUSHING);
|
|
mInputQueueState = STATE_SUSPEND;
|
|
}
|
|
|
|
void InputTaskManager::ResumeInputEventPrioritization() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(mInputQueueState == STATE_SUSPEND);
|
|
mInputQueueState = STATE_ENABLED;
|
|
}
|
|
|
|
int32_t InputTaskManager::GetPriorityModifierForEventLoopTurn(
|
|
const MutexAutoLock& aProofOfLock) {
|
|
size_t inputCount = PendingTaskCount();
|
|
if (State() == STATE_ENABLED && InputHandlingStartTime().IsNull() &&
|
|
inputCount > 0) {
|
|
SetInputHandlingStartTime(
|
|
InputEventStatistics::Get().GetInputHandlingStartTime(inputCount));
|
|
}
|
|
|
|
if (inputCount > 0 && (State() == InputTaskManager::STATE_FLUSHING ||
|
|
(State() == InputTaskManager::STATE_ENABLED &&
|
|
!InputHandlingStartTime().IsNull() &&
|
|
TimeStamp::Now() > InputHandlingStartTime()))) {
|
|
return 0;
|
|
}
|
|
|
|
int32_t modifier = static_cast<int32_t>(EventQueuePriority::InputLow) -
|
|
static_cast<int32_t>(EventQueuePriority::MediumHigh);
|
|
return modifier;
|
|
}
|
|
|
|
void InputTaskManager::WillRunTask() {
|
|
TaskManager::WillRunTask();
|
|
mStartTimes.AppendElement(TimeStamp::Now());
|
|
}
|
|
|
|
void InputTaskManager::DidRunTask() {
|
|
TaskManager::DidRunTask();
|
|
MOZ_ASSERT(!mStartTimes.IsEmpty());
|
|
TimeStamp start = mStartTimes.PopLastElement();
|
|
InputEventStatistics::Get().UpdateInputDuration(TimeStamp::Now() - start);
|
|
}
|
|
|
|
// static
|
|
void InputTaskManager::Init() { gInputTaskManager = new InputTaskManager(); }
|
|
|
|
} // namespace mozilla
|