| // Copyright 2013 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 "base/logging.h" |
| #include "cc/trees/layer_tree_host_impl.h" |
| #include "cc/trees/swap_promise_manager.h" |
| #include "cc/trees/swap_promise_monitor.h" |
| |
| namespace cc { |
| |
| SwapPromiseMonitor::SwapPromiseMonitor(SwapPromiseManager* swap_promise_manager, |
| LayerTreeHostImpl* host_impl) |
| : swap_promise_manager_(swap_promise_manager), host_impl_(host_impl) { |
| DCHECK((swap_promise_manager && !host_impl) || |
| (!swap_promise_manager && host_impl)); |
| if (swap_promise_manager) |
| swap_promise_manager->InsertSwapPromiseMonitor(this); |
| if (host_impl_) |
| host_impl_->InsertSwapPromiseMonitor(this); |
| } |
| |
| SwapPromiseMonitor::~SwapPromiseMonitor() { |
| if (swap_promise_manager_) |
| swap_promise_manager_->RemoveSwapPromiseMonitor(this); |
| if (host_impl_) |
| host_impl_->RemoveSwapPromiseMonitor(this); |
| } |
| |
| } // namespace cc |