| // Copyright 2016 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/trees/swap_promise_manager.h" |
| |
| #include <utility> |
| |
| #include "cc/trees/latency_info_swap_promise_monitor.h" |
| #include "cc/trees/swap_promise.h" |
| |
| namespace cc { |
| |
| SwapPromiseManager::SwapPromiseManager() = default; |
| |
| SwapPromiseManager::~SwapPromiseManager() { |
| DCHECK(latency_info_swap_promise_monitors_.empty()); |
| BreakSwapPromises(SwapPromise::COMMIT_FAILS); |
| } |
| |
| void SwapPromiseManager::QueueSwapPromise( |
| std::unique_ptr<SwapPromise> swap_promise) { |
| DCHECK(swap_promise); |
| swap_promise_list_.push_back(std::move(swap_promise)); |
| } |
| |
| void SwapPromiseManager::InsertLatencyInfoSwapPromiseMonitor( |
| LatencyInfoSwapPromiseMonitor* monitor) { |
| latency_info_swap_promise_monitors_.insert(monitor); |
| } |
| |
| void SwapPromiseManager::RemoveLatencyInfoSwapPromiseMonitor( |
| LatencyInfoSwapPromiseMonitor* monitor) { |
| latency_info_swap_promise_monitors_.erase(monitor); |
| } |
| |
| void SwapPromiseManager::NotifyLatencyInfoSwapPromiseMonitors() { |
| for (LatencyInfoSwapPromiseMonitor* monitor : |
| latency_info_swap_promise_monitors_) { |
| monitor->OnSetNeedsCommitOnMain(); |
| } |
| } |
| |
| void SwapPromiseManager::WillCommit() { |
| for (const auto& swap_promise : swap_promise_list_) |
| swap_promise->OnCommit(); |
| } |
| |
| std::vector<std::unique_ptr<SwapPromise>> |
| SwapPromiseManager::TakeSwapPromises() { |
| std::vector<std::unique_ptr<SwapPromise>> result; |
| result.swap(swap_promise_list_); |
| return result; |
| } |
| |
| void SwapPromiseManager::BreakSwapPromises( |
| SwapPromise::DidNotSwapReason reason) { |
| std::vector<std::unique_ptr<SwapPromise>> keep_active_swap_promises; |
| keep_active_swap_promises.reserve(swap_promise_list_.size()); |
| |
| base::TimeTicks timestamp = base::TimeTicks::Now(); |
| for (auto& swap_promise : swap_promise_list_) { |
| if (swap_promise->DidNotSwap(reason, timestamp) == |
| SwapPromise::DidNotSwapAction::KEEP_ACTIVE) { |
| keep_active_swap_promises.push_back(std::move(swap_promise)); |
| } |
| } |
| swap_promise_list_.swap(keep_active_swap_promises); |
| } |
| |
| } // namespace cc |