ui/views/accessibility/ax_view_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_view_obj_wrapper.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "ui/accessibility/ax_node_data.h"
   9 #include "ui/accessibility/ax_view_state.h"
  10 #include "ui/events/event_utils.h"
  11 #include "ui/views/accessibility/ax_aura_obj_cache.h"
  12 #include "ui/views/view.h"
  13 #include "ui/views/widget/widget.h"
  14
  15 namespace views {
  16
  17 AXViewObjWrapper::AXViewObjWrapper(View* view)  : view_(view) {
  18   if (view->GetWidget())
  19     AXAuraObjCache::GetInstance()->GetOrCreate(view->GetWidget());
  20 }
  21
  22 AXViewObjWrapper::~AXViewObjWrapper() {}
  23
  24 AXAuraObjWrapper* AXViewObjWrapper::GetParent() {
  25   AXAuraObjCache* cache = AXAuraObjCache::GetInstance();
  26   if (view_->parent())
  27     return cache->GetOrCreate(view_->parent());
  28
  29   if (view_->GetWidget())
  30     return cache->GetOrCreate(view_->GetWidget());
  31
  32   return NULL;
  33 }
  34
  35 void AXViewObjWrapper::GetChildren(
  36     std::vector<AXAuraObjWrapper*>* out_children) {
  37   // TODO(dtseng): Need to handle |Widget| child of |View|.
  38   for (int i = 0; i < view_->child_count(); ++i) {
  39     AXAuraObjWrapper* child =
  40         AXAuraObjCache::GetInstance()->GetOrCreate(view_->child_at(i));
  41     out_children->push_back(child);
  42   }
  43 }
  44
  45 void AXViewObjWrapper::Serialize(ui::AXNodeData* out_node_data) {
  46   ui::AXViewState view_data;
  47   view_->GetAccessibleState(&view_data);
  48
  49   out_node_data->id = GetID();
  50   out_node_data->role = view_data.role;
  51
  52   out_node_data->state = view_data.state();
  53   if (view_->HasFocus())
  54     out_node_data->state |= 1 << ui::AX_STATE_FOCUSED;
  55   if (view_->IsFocusable())
  56     out_node_data->state |= 1 << ui::AX_STATE_FOCUSABLE;
  57
  58   out_node_data->location = view_->GetBoundsInScreen();
  59
  60   out_node_data->AddStringAttribute(
  61       ui::AX_ATTR_NAME, base::UTF16ToUTF8(view_data.name));
  62   out_node_data->AddStringAttribute(
  63       ui::AX_ATTR_VALUE, base::UTF16ToUTF8(view_data.value));
  64
  65   if (view_data.selection_start > -1 && view_data.selection_end > -1) {
  66     out_node_data->AddIntAttribute(ui::AX_ATTR_TEXT_SEL_START,
  67                                    view_data.selection_start);
  68
  69     out_node_data->AddIntAttribute(ui::AX_ATTR_TEXT_SEL_END,
  70                                    view_data.selection_end);
  71   }
  72 }
  73
  74 int32 AXViewObjWrapper::GetID() {
  75   return AXAuraObjCache::GetInstance()->GetID(view_);
  76 }
  77
  78 void AXViewObjWrapper::DoDefault() {
  79   gfx::Rect rect = view_->GetLocalBounds();
  80   gfx::Point center = rect.CenterPoint();
  81   view_->OnMousePressed(ui::MouseEvent(
  82       ui::ET_MOUSE_PRESSED, center, center, ui::EventTimeForNow(),
  83       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON));
  84   view_->OnMouseReleased(ui::MouseEvent(
  85       ui::ET_MOUSE_RELEASED, center, center, ui::EventTimeForNow(),
  86       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON));
  87 }
  88
  89 void AXViewObjWrapper::Focus() {
  90   view_->RequestFocus();
  91 }
  92
  93 void AXViewObjWrapper::MakeVisible() {
  94   // TODO(dtseng): Implement.
  95 }
  96
  97 void AXViewObjWrapper::SetSelection(int32 start, int32 end) {
  98   // TODO(dtseng): Implement.
  99 }
 100
 101 void AXViewObjWrapper::ShowContextMenu() {
 102   view_->ShowContextMenu(view_->bounds().CenterPoint(),
 103                          ui::MENU_SOURCE_KEYBOARD);
 104 }
 105
 106 }  // namespace views