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      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
     92