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/views/accessibility/ax_aura_obj_cache.h"
  11 #include "ui/views/view.h"
  12 #include "ui/views/widget/widget.h"
  13
  14 namespace views {
  15
  16 AXViewObjWrapper::AXViewObjWrapper(View* view)  : view_(view) {
  17   DCHECK(view->GetWidget());
  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   return cache->GetOrCreate(view_->GetWidget());
  30 }
  31
  32 void AXViewObjWrapper::GetChildren(
  33     std::vector<AXAuraObjWrapper*>* out_children) {
  34   // TODO(dtseng): Need to handle |Widget| child of |View|.
  35   for (int i = 0; i < view_->child_count(); ++i) {
  36     AXAuraObjWrapper* child =
  37         AXAuraObjCache::GetInstance()->GetOrCreate(view_->child_at(i));
  38     out_children->push_back(child);
  39   }
  40 }
  41
  42 void AXViewObjWrapper::Serialize(ui::AXNodeData* out_node_data) {
  43   ui::AXViewState view_data;
  44   view_->GetAccessibleState(&view_data);
  45   out_node_data->id = GetID();
  46   out_node_data->role = view_data.role;
  47
  48   out_node_data->state = view_data.state();
  49   if (view_->HasFocus())
  50     out_node_data->state |= 1 << ui::AX_STATE_FOCUSED;
  51   if (view_->IsFocusable())
  52     out_node_data->state |= 1 << ui::AX_STATE_FOCUSABLE;
  53
  54   out_node_data->location = view_->GetBoundsInScreen();
  55
  56   out_node_data->AddStringAttribute(
  57       ui::AX_ATTR_NAME, base::UTF16ToUTF8(view_data.name));
  58   out_node_data->AddStringAttribute(
  59       ui::AX_ATTR_VALUE, base::UTF16ToUTF8(view_data.value));
  60
  61   out_node_data->AddIntAttribute(ui::AX_ATTR_TEXT_SEL_START,
  62                                  view_data.selection_start);
  63   out_node_data->AddIntAttribute(ui::AX_ATTR_TEXT_SEL_END,
  64                                  view_data.selection_end);
  65 }
  66
  67 int32 AXViewObjWrapper::GetID() {
  68   return AXAuraObjCache::GetInstance()->GetID(view_);
  69 }
  70
  71 void AXViewObjWrapper::DoDefault() {
  72   gfx::Rect rect = view_->GetBoundsInScreen();
  73   gfx::Point center = rect.CenterPoint();
  74   view_->OnMousePressed(ui::MouseEvent(ui::ET_MOUSE_PRESSED, center, center,
  75                                        ui::EF_LEFT_MOUSE_BUTTON,
  76                                        ui::EF_LEFT_MOUSE_BUTTON));
  77 }
  78
  79 void AXViewObjWrapper::Focus() {
  80   view_->RequestFocus();
  81 }
  82
  83 void AXViewObjWrapper::MakeVisible() {
  84   // TODO(dtseng): Implement.
  85 }
  86
  87 void AXViewObjWrapper::SetSelection(int32 start, int32 end) {
  88   // TODO(dtseng): Implement.
  89 }
  90
  91 }  // namespace views