cc/base/latency_info_swap_promise_monitor.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/base/latency_info_swap_promise_monitor.h"
   6
   7 #include "cc/base/latency_info_swap_promise.h"
   8 #include "cc/trees/layer_tree_host.h"
   9 #include "cc/trees/layer_tree_host_impl.h"
  10 #include "cc/trees/layer_tree_impl.h"
  11
  12 namespace cc {
  13
  14 LatencyInfoSwapPromiseMonitor::LatencyInfoSwapPromiseMonitor(
  15     ui::LatencyInfo* latency,
  16     LayerTreeHost* layer_tree_host,
  17     LayerTreeHostImpl* layer_tree_host_impl)
  18     : SwapPromiseMonitor(layer_tree_host, layer_tree_host_impl),
  19       latency_(latency) {}
  20
  21 LatencyInfoSwapPromiseMonitor::~LatencyInfoSwapPromiseMonitor() {}
  22
  23 void LatencyInfoSwapPromiseMonitor::OnSetNeedsCommitOnMain() {
  24   if (!latency_->FindLatency(
  25           ui::INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_COMPONENT, 0, 0)) {
  26     latency_->AddLatencyNumber(
  27         ui::INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_COMPONENT, 0, 0);
  28     scoped_ptr<SwapPromise> swap_promise(new LatencyInfoSwapPromise(*latency_));
  29     layer_tree_host_->QueueSwapPromise(swap_promise.Pass());
  30   }
  31 }
  32
  33 void LatencyInfoSwapPromiseMonitor::OnSetNeedsRedrawOnImpl() {
  34   if (!latency_->FindLatency(
  35           ui::INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_COMPONENT, 0, 0)) {
  36     latency_->AddLatencyNumber(
  37         ui::INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_COMPONENT, 0, 0);
  38     scoped_ptr<SwapPromise> swap_promise(new LatencyInfoSwapPromise(*latency_));
  39     layer_tree_host_impl_->active_tree()->QueueSwapPromise(swap_promise.Pass());
  40   }
  41 }
  42
  43 }  // namespace cc