ui/ozone/platform/dri/dri_window_delegate_manager.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 "ui/ozone/platform/dri/dri_window_delegate_manager.h"
   6
   7 #include "ui/ozone/platform/dri/dri_window_delegate.h"
   8
   9 namespace ui {
  10
  11 DriWindowDelegateManager::DriWindowDelegateManager() {
  12 }
  13
  14 DriWindowDelegateManager::~DriWindowDelegateManager() {
  15   DCHECK(delegate_map_.empty());
  16 }
  17
  18 void DriWindowDelegateManager::AddWindowDelegate(
  19     gfx::AcceleratedWidget widget,
  20     scoped_ptr<DriWindowDelegate> delegate) {
  21   std::pair<WidgetToDelegateMap::iterator, bool> result =
  22       delegate_map_.add(widget, delegate.Pass());
  23   DCHECK(result.second) << "Delegate already added.";
  24 }
  25
  26 scoped_ptr<DriWindowDelegate> DriWindowDelegateManager::RemoveWindowDelegate(
  27     gfx::AcceleratedWidget widget) {
  28   scoped_ptr<DriWindowDelegate> delegate = delegate_map_.take_and_erase(widget);
  29   DCHECK(delegate) << "Attempting to remove non-existing delegate for "
  30                    << widget;
  31   return delegate.Pass();
  32 }
  33
  34 DriWindowDelegate* DriWindowDelegateManager::GetWindowDelegate(
  35     gfx::AcceleratedWidget widget) {
  36   WidgetToDelegateMap::iterator it = delegate_map_.find(widget);
  37   if (it != delegate_map_.end())
  38     return it->second;
  39
  40   NOTREACHED() << "Attempting to get non-existing delegate for " << widget;
  41   return NULL;
  42 }
  43
  44 }  // namespace ui