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// Copyright 2016 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.
#include "cc/tiles/tile_task_manager.h"
#include "base/memory/ptr_util.h"
#include "base/trace_event/trace_event.h"
namespace cc {
TileTaskManager::TileTaskManager() {}
TileTaskManager::~TileTaskManager() {}
// static
std::unique_ptr<TileTaskManagerImpl> TileTaskManagerImpl::Create(
TaskGraphRunner* task_graph_runner) {
return base::WrapUnique<TileTaskManagerImpl>(
new TileTaskManagerImpl(task_graph_runner));
}
TileTaskManagerImpl::TileTaskManagerImpl(TaskGraphRunner* task_graph_runner)
: task_graph_runner_(task_graph_runner),
namespace_token_(task_graph_runner->GenerateNamespaceToken()) {}
TileTaskManagerImpl::~TileTaskManagerImpl() {}
void TileTaskManagerImpl::ScheduleTasks(TaskGraph* graph) {
TRACE_EVENT0("cc", "TileTaskManagerImpl::ScheduleTasks");
task_graph_runner_->ScheduleTasks(namespace_token_, graph);
}
void TileTaskManagerImpl::CheckForCompletedTasks() {
TRACE_EVENT0("cc", "TileTaskManagerImpl::CheckForCompletedTasks");
Task::Vector completed_tasks;
task_graph_runner_->CollectCompletedTasks(namespace_token_, &completed_tasks);
for (auto& task : completed_tasks) {
DCHECK(task->state().IsFinished() || task->state().IsCanceled());
TileTask* tile_task = static_cast<TileTask*>(task.get());
tile_task->OnTaskCompleted();
tile_task->DidComplete();
}
}
void TileTaskManagerImpl::Shutdown() {
TRACE_EVENT0("cc", "TileTaskManagerImpl::Shutdown");
// Cancel non-scheduled tasks and wait for running tasks to finish.
TaskGraph empty;
task_graph_runner_->ScheduleTasks(namespace_token_, &empty);
task_graph_runner_->WaitForTasksToFinishRunning(namespace_token_);
}
} // namespace cc
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