cc/trees/latency_info_swap_promise_monitor.h

   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 "base/compiler_specific.h"
   6 #include "cc/trees/swap_promise_monitor.h"
   7
   8 #ifndef CC_TREES_LATENCY_INFO_SWAP_PROMISE_MONITOR_H_
   9 #define CC_TREES_LATENCY_INFO_SWAP_PROMISE_MONITOR_H_
  10
  11 namespace ui {
  12 struct LatencyInfo;
  13 }  // namespace ui
  14
  15 namespace cc {
  16
  17 // A LatencyInfoSwapPromiseMonitor queues a LatencyInfoSwapPromise into
  18 // LayerTreeHost or LayerTreeHostImpl if there is compositor state change
  19 // while it is being mointored.
  20 class CC_EXPORT LatencyInfoSwapPromiseMonitor : public SwapPromiseMonitor {
  21  public:
  22   LatencyInfoSwapPromiseMonitor(ui::LatencyInfo* latency,
  23                                 LayerTreeHost* layer_tree_host,
  24                                 LayerTreeHostImpl* layer_tree_host_impl);
  25   ~LatencyInfoSwapPromiseMonitor() override;
  26
  27   void OnSetNeedsCommitOnMain() override;
  28   void OnSetNeedsRedrawOnImpl() override;
  29   void OnForwardScrollUpdateToMainThreadOnImpl() override;
  30
  31  private:
  32   ui::LatencyInfo* latency_;
  33 };
  34
  35 }  // namespace cc
  36
  37 #endif  // CC_TREES_LATENCY_INFO_SWAP_PROMISE_MONITOR_H_