It is time.

ui/views/accessibility/ax_aura_obj_cache.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ui/views/accessibility/ax_aura_obj_cache.h"
-
-#include "base/memory/singleton.h"
-#include "base/stl_util.h"
-#include "ui/aura/window.h"
-#include "ui/views/accessibility/ax_aura_obj_wrapper.h"
-#include "ui/views/accessibility/ax_view_obj_wrapper.h"
-#include "ui/views/accessibility/ax_widget_obj_wrapper.h"
-#include "ui/views/accessibility/ax_window_obj_wrapper.h"
-#include "ui/views/view.h"
-#include "ui/views/widget/widget.h"
-
-namespace views {
-
-// static
-AXAuraObjCache* AXAuraObjCache::GetInstance() {
-  return Singleton<AXAuraObjCache>::get();
-}
-
-AXAuraObjWrapper* AXAuraObjCache::GetOrCreate(View* view) {
-  return CreateInternal<AXViewObjWrapper>(view, view_to_id_map_);
-}
-
-AXAuraObjWrapper* AXAuraObjCache::GetOrCreate(Widget* widget) {
-  return CreateInternal<AXWidgetObjWrapper>(widget, widget_to_id_map_);
-}
-
-AXAuraObjWrapper* AXAuraObjCache::GetOrCreate(aura::Window* window) {
-  return CreateInternal<AXWindowObjWrapper>(window, window_to_id_map_);
-}
-
-int32 AXAuraObjCache::GetID(View* view) {
-  return GetIDInternal(view, view_to_id_map_);
-}
-
-int32 AXAuraObjCache::GetID(Widget* widget) {
-  return GetIDInternal(widget, widget_to_id_map_);
-}
-
-int32 AXAuraObjCache::GetID(aura::Window* window) {
-  return GetIDInternal(window, window_to_id_map_);
-}
-
-void AXAuraObjCache::Remove(View* view) {
-  RemoveInternal(view, view_to_id_map_);
-}
-
-void AXAuraObjCache::Remove(Widget* widget) {
-  RemoveInternal(widget, widget_to_id_map_);
-}
-
-void AXAuraObjCache::Remove(aura::Window* window) {
-  RemoveInternal(window, window_to_id_map_);
-}
-
-AXAuraObjWrapper* AXAuraObjCache::Get(int32 id) {
-  std::map<int32, AXAuraObjWrapper*>::iterator it = cache_.find(id);
-
-  if (it == cache_.end())
-    return NULL;
-
-  return it->second;
-}
-
-void AXAuraObjCache::Remove(int32 id) {
-  AXAuraObjWrapper* obj = Get(id);
-
-  if (id == -1 || !obj)
-    return;
-
-  cache_.erase(id);
-  delete obj;
-}
-
-AXAuraObjCache::AXAuraObjCache() : current_id_(1) {
-}
-
-AXAuraObjCache::~AXAuraObjCache() {
-  STLDeleteContainerPairSecondPointers(cache_.begin(), cache_.end());
-  cache_.clear();
-}
-
-template <typename AuraViewWrapper, typename AuraView>
-AXAuraObjWrapper* AXAuraObjCache::CreateInternal(
-    AuraView* aura_view, std::map<AuraView*, int32>& aura_view_to_id_map) {
-  if (!aura_view)
-    return NULL;
-
-  typename std::map<AuraView*, int32>::iterator it =
-      aura_view_to_id_map.find(aura_view);
-
-  if (it != aura_view_to_id_map.end())
-    return Get(it->second);
-
-  AXAuraObjWrapper* wrapper = new AuraViewWrapper(aura_view);
-  aura_view_to_id_map[aura_view] = current_id_;
-  cache_[current_id_] = wrapper;
-  current_id_++;
-  return wrapper;
-}
-
-template<typename AuraView> int32 AXAuraObjCache::GetIDInternal(
-    AuraView* aura_view, std::map<AuraView*, int32>& aura_view_to_id_map) {
-  if (!aura_view)
-    return -1;
-
-  typename std::map<AuraView*, int32>::iterator it =
-      aura_view_to_id_map.find(aura_view);
-
-  if (it != aura_view_to_id_map.end())
-    return it->second;
-
-  return -1;
-}
-
-template<typename AuraView>
-void AXAuraObjCache::RemoveInternal(
-    AuraView* aura_view, std::map<AuraView*, int32>& aura_view_to_id_map) {
-  int32 id = GetID(aura_view);
-  if (id == -1)
-    return;
-  aura_view_to_id_map.erase(aura_view);
-  Remove(id);
-}
-
-}  // namespace views