ppapi/shared_impl/compositor_layer_data.cc

   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 #include "ppapi/shared_impl/compositor_layer_data.h"
   6
   7 namespace ppapi {
   8
   9 namespace {
  10
  11 template<typename T>
  12 void Copy(scoped_ptr<T>* a, const scoped_ptr<T>& b) {
  13   if (b) {
  14     if (!(*a))
  15       a->reset(new T());
  16     **a = *b;
  17   } else {
  18     a->reset();
  19   }
  20 }
  21
  22 }  // namespace
  23
  24 const CompositorLayerData& CompositorLayerData::operator=(
  25     const CompositorLayerData& other) {
  26   DCHECK(other.is_null() || other.is_valid());
  27
  28   common = other.common;
  29   Copy(&color, other.color);
  30   Copy(&texture, other.texture);
  31   Copy(&image, other.image);
  32
  33   return *this;
  34 }
  35
  36 }  // namespace ppapi