ui/views/accessibility/ax_widget_obj_wrapper.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/views/accessibility/ax_widget_obj_wrapper.h"
   6
   7 #include "ui/accessibility/ax_node_data.h"
   8 #include "ui/views/accessibility/ax_aura_obj_cache.h"
   9 #include "ui/views/accessibility/ax_aura_obj_wrapper.h"
  10 #include "ui/views/widget/widget.h"
  11
  12 namespace views {
  13
  14 AXWidgetObjWrapper::AXWidgetObjWrapper(Widget* widget) : widget_(widget) {
  15   widget->AddObserver(this);
  16   widget->AddRemovalsObserver(this);
  17 }
  18
  19 AXWidgetObjWrapper::~AXWidgetObjWrapper() {
  20   if (!AXAuraObjCache::GetInstance()->is_destroying()) {
  21     widget_->RemoveObserver(this);
  22     widget_->RemoveRemovalsObserver(this);
  23   }
  24   widget_ = NULL;
  25 }
  26
  27 AXAuraObjWrapper* AXWidgetObjWrapper::GetParent() {
  28   return AXAuraObjCache::GetInstance()->GetOrCreate(widget_->GetNativeView());
  29 }
  30
  31 void AXWidgetObjWrapper::GetChildren(
  32     std::vector<AXAuraObjWrapper*>* out_children) {
  33   out_children->push_back(
  34       AXAuraObjCache::GetInstance()->GetOrCreate(widget_->GetRootView()));
  35 }
  36
  37 void AXWidgetObjWrapper::Serialize(ui::AXNodeData* out_node_data) {
  38   out_node_data->id = GetID();
  39   out_node_data->role = ui::AX_ROLE_CLIENT;
  40   out_node_data->location = widget_->GetWindowBoundsInScreen();
  41   // TODO(dtseng): Set better states.
  42   out_node_data->state = 0;
  43 }
  44
  45 int32 AXWidgetObjWrapper::GetID() {
  46   return AXAuraObjCache::GetInstance()->GetID(widget_);
  47 }
  48
  49 void AXWidgetObjWrapper::OnWidgetDestroying(Widget* widget) {
  50   AXAuraObjCache::GetInstance()->Remove(widget);
  51 }
  52
  53 void AXWidgetObjWrapper::OnWillRemoveView(Widget* widget, View* view) {
  54   AXAuraObjCache::GetInstance()->Remove(view);
  55 }
  56
  57 }  // namespace views