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47 lines
1.0 KiB
C++
47 lines
1.0 KiB
C++
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/lib/ui/painting/utils.h"
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#include "flutter/common/threads.h"
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namespace blink {
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namespace {
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constexpr fxl::TimeDelta kDrainDelay = fxl::TimeDelta::FromMilliseconds(250);
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} // anonymous namespace
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SkiaUnrefQueue::SkiaUnrefQueue() : drain_pending_(false) {}
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SkiaUnrefQueue SkiaUnrefQueue::instance_;
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SkiaUnrefQueue& SkiaUnrefQueue::Get() {
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return instance_;
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}
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void SkiaUnrefQueue::Unref(SkRefCnt* object) {
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fxl::MutexLocker lock(&mutex_);
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objects_.push_back(object);
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if (!drain_pending_) {
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drain_pending_ = true;
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Threads::IO()->PostDelayedTask([this] { Drain(); }, kDrainDelay);
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}
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}
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void SkiaUnrefQueue::Drain() {
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std::deque<SkRefCnt*> skia_objects;
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{
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fxl::MutexLocker lock(&mutex_);
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objects_.swap(skia_objects);
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drain_pending_ = false;
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}
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for (SkRefCnt* skia_object : skia_objects) {
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skia_object->unref();
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}
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}
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} // namespace blink
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