ui/accessibility/platform/ax_platform_node_base.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/accessibility/platform/ax_platform_node_base.h"
   6
   7 #include "ui/accessibility/ax_node_data.h"
   8 #include "ui/accessibility/platform/ax_platform_node_delegate.h"
   9
  10 namespace ui {
  11
  12 AXPlatformNodeBase::AXPlatformNodeBase() {
  13 }
  14
  15 AXPlatformNodeBase::~AXPlatformNodeBase() {
  16 }
  17
  18 void AXPlatformNodeBase::Init(AXPlatformNodeDelegate* delegate) {
  19   delegate_ = delegate;
  20 }
  21
  22 AXRole AXPlatformNodeBase::GetRole() const {
  23   return delegate_ ? delegate_->GetData()->role : AX_ROLE_UNKNOWN;
  24 }
  25
  26 gfx::Rect AXPlatformNodeBase::GetBoundsInScreen() const {
  27   if (!delegate_)
  28     return gfx::Rect();
  29   gfx::Rect bounds = delegate_->GetData()->location;
  30   bounds.Offset(delegate_->GetGlobalCoordinateOffset());
  31   return bounds;
  32 }
  33
  34 gfx::NativeViewAccessible AXPlatformNodeBase::GetParent() {
  35   return delegate_ ? delegate_->GetParent() : NULL;
  36 }
  37
  38 int AXPlatformNodeBase::GetChildCount() {
  39   return delegate_ ? delegate_->GetChildCount() : 0;
  40 }
  41
  42 gfx::NativeViewAccessible AXPlatformNodeBase::ChildAtIndex(int index) {
  43   return delegate_ ? delegate_->ChildAtIndex(index) : NULL;
  44 }
  45
  46 // AXPlatformNode
  47
  48 void AXPlatformNodeBase::Destroy() {
  49   delegate_ = NULL;
  50   delete this;
  51 }
  52
  53 gfx::NativeViewAccessible AXPlatformNodeBase::GetNativeViewAccessible() {
  54   return NULL;
  55 }
  56
  57
  58 }  // namespace ui