src/cc/trees/scoped_abort_remaining_swap_promises.h

   1 // Copyright 2014 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 #ifndef CC_TREES_SCOPED_ABORT_REMAINING_SWAP_PROMISES_H_
   6 #define CC_TREES_SCOPED_ABORT_REMAINING_SWAP_PROMISES_H_
   7
   8 #include "cc/base/swap_promise.h"
   9 #include "cc/trees/layer_tree_host.h"
  10
  11 namespace cc {
  12
  13 class ScopedAbortRemainingSwapPromises {
  14  public:
  15   explicit ScopedAbortRemainingSwapPromises(LayerTreeHost* layer_tree_host)
  16       : layer_tree_host_(layer_tree_host) {}
  17
  18   ~ScopedAbortRemainingSwapPromises() {
  19     layer_tree_host_->BreakSwapPromises(SwapPromise::COMMIT_FAILS);
  20   }
  21
  22  private:
  23   LayerTreeHost* layer_tree_host_;
  24
  25   DISALLOW_COPY_AND_ASSIGN(ScopedAbortRemainingSwapPromises);
  26 };
  27
  28 }  // namespace cc
  29
  30 #endif  // CC_TREES_SCOPED_ABORT_REMAINING_SWAP_PROMISES_H_