ui/compositor/paint_cache.cc

   1 // Copyright 2015 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 "ui/compositor/paint_cache.h"
   6
   7 #include "cc/resources/display_item_list.h"
   8 #include "cc/resources/drawing_display_item.h"
   9 #include "ui/compositor/paint_context.h"
  10
  11 namespace ui {
  12
  13 PaintCache::PaintCache() {
  14 }
  15
  16 PaintCache::~PaintCache() {
  17 }
  18
  19 bool PaintCache::UseCache(const PaintContext& context) {
  20   if (!display_item_)
  21     return false;
  22   DCHECK(context.list_);
  23   context.list_->AppendItem(display_item_->Clone());
  24   return true;
  25 }
  26
  27 void PaintCache::SetCache(scoped_ptr<cc::DrawingDisplayItem> item) {
  28   display_item_ = item.Pass();
  29 }
  30
  31 }  // namespace ui