MacViews: Accessibility bridge

ui/accessibility/platform/ax_platform_node.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/accessibility/platform/ax_platform_node.h"
+
+#include "ui/accessibility/ax_node_data.h"
 #include "ui/accessibility/platform/ax_platform_node_delegate.h"
 
 namespace ui {
 
-#if !defined(OS_WIN)
+#if !defined(OS_MACOSX)
 // static
 AXPlatformNode* AXPlatformNode::Create(AXPlatformNodeDelegate* delegate) {
-  AXPlatformNode* node = new AXPlatformNode();
-  node->Init(delegate);
-  return node;
+  return NULL;
 }
 #endif
 
 AXPlatformNode::AXPlatformNode() {
 }
 
 AXPlatformNode::~AXPlatformNode() {
 }
 
 void AXPlatformNode::Init(AXPlatformNodeDelegate* delegate) {
   delegate_ = delegate;
 }
 
 void AXPlatformNode::Detach() {
   delegate_ = NULL;
 }
 
-gfx::NativeViewAccessible AXPlatformNode::GetNativeViewAccessible() {
-  return NULL;
+AXRole AXPlatformNode::GetRole() const {
+  return delegate_ ? delegate_->GetData()->role : AX_ROLE_UNKNOWN;
 }
 
-AXPlatformNode* AXPlatformNode::NextSibling() {
-  if (!delegate_)
-    return NULL;
-
-  AXPlatformNode* parent = delegate_->GetParent();
-  if (!parent)
-    return NULL;
-
-  int next_index = delegate_->GetIndexInParent() + 1;
-  if (next_index >= 0 && next_index < parent->GetChildCount())
-    return parent->ChildAtIndex(next_index);
-
-  return NULL;
+gfx::Rect AXPlatformNode::GetBoundsInScreen() const {
+  gfx::Rect bounds = delegate_->GetData()->location;

[dmazzoni, 2014/07/29 06:35:14]

Check delegate_ for NULL everywhere

[Andre, 2014/07/29 21:58:56]

Done.

+  bounds.Offset(delegate_->GetGlobalCoordinateOffset());
+  return bounds;
 }
 
-AXPlatformNode* AXPlatformNode::PreviousSibling() {
-  if (!delegate_)
-    return NULL;
-
-  AXPlatformNode* parent = delegate_->GetParent();
-  if (!parent)
-    return NULL;
-
-  int previous_index = delegate_->GetIndexInParent() - 1;
-  if (previous_index >= 0 && previous_index < parent->GetChildCount())
-    return parent->ChildAtIndex(previous_index);
-
-  return NULL;
+gfx::NativeViewAccessible AXPlatformNode::GetParent() {
+  return delegate_ ? delegate_->GetParent() : NULL;
 }
 
-bool AXPlatformNode::HasBoolAttribute(
-    ui::AXBoolAttribute attribute) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.bool_attributes.size(); ++i) {
-    if (data.bool_attributes[i].first == attribute)
-      return true;
-  }
-
-  return false;
+int AXPlatformNode::GetChildCount() {
+  return delegate_ ? delegate_->GetChildCount() : 0;
 }
 
-
-bool AXPlatformNode::GetBoolAttribute(
-    ui::AXBoolAttribute attribute) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.bool_attributes.size(); ++i) {
-    if (data.bool_attributes[i].first == attribute)
-      return data.bool_attributes[i].second;
-  }
-
-  return false;
-}
-
-bool AXPlatformNode::GetBoolAttribute(
-    ui::AXBoolAttribute attribute, bool* value) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.bool_attributes.size(); ++i) {
-    if (data.bool_attributes[i].first == attribute) {
-      *value = data.bool_attributes[i].second;
-      return true;
-    }
-  }
-
-  return false;
-}
-
-bool AXPlatformNode::HasFloatAttribute(
-    ui::AXFloatAttribute attribute) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.float_attributes.size(); ++i) {
-    if (data.float_attributes[i].first == attribute)
-      return true;
-  }
-
-  return false;
-}
-
-float AXPlatformNode::GetFloatAttribute(
-    ui::AXFloatAttribute attribute) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.float_attributes.size(); ++i) {
-    if (data.float_attributes[i].first == attribute)
-      return data.float_attributes[i].second;
-  }
-
-  return 0.0;
-}
-
-bool AXPlatformNode::GetFloatAttribute(
-    ui::AXFloatAttribute attribute, float* value) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.float_attributes.size(); ++i) {
-    if (data.float_attributes[i].first == attribute) {
-      *value = data.float_attributes[i].second;
-      return true;
-    }
-  }
-
-  return false;
-}
-
-bool AXPlatformNode::HasIntAttribute(
-    ui::AXIntAttribute attribute) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.int_attributes.size(); ++i) {
-    if (data.int_attributes[i].first == attribute)
-      return true;
-  }
-
-  return false;
-}
-
-int AXPlatformNode::GetIntAttribute(ui::AXIntAttribute attribute) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.int_attributes.size(); ++i) {
-    if (data.int_attributes[i].first == attribute)
-      return data.int_attributes[i].second;
-  }
-
-  return 0;
-}
-
-bool AXPlatformNode::GetIntAttribute(
-    ui::AXIntAttribute attribute, int* value) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.int_attributes.size(); ++i) {
-    if (data.int_attributes[i].first == attribute) {
-      *value = data.int_attributes[i].second;
-      return true;
-    }
-  }
-
-  return false;
-}
-
-bool AXPlatformNode::HasStringAttribute(
-    ui::AXStringAttribute attribute) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.string_attributes.size(); ++i) {
-    if (data.string_attributes[i].first == attribute)
-      return true;
-  }
-
-  return false;
-}
-
-const std::string& AXPlatformNode::GetStringAttribute(
-    ui::AXStringAttribute attribute) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  CR_DEFINE_STATIC_LOCAL(std::string, empty_string, ());
-  for (size_t i = 0; i < data.string_attributes.size(); ++i) {
-    if (data.string_attributes[i].first == attribute)
-      return data.string_attributes[i].second;
-  }
-
-  return empty_string;
-}
-
-bool AXPlatformNode::GetStringAttribute(
-    ui::AXStringAttribute attribute, std::string* value) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.string_attributes.size(); ++i) {
-    if (data.string_attributes[i].first == attribute) {
-      *value = data.string_attributes[i].second;
-      return true;
-    }
-  }
-
-  return false;
-}
-
-base::string16 AXPlatformNode::GetString16Attribute(
-    ui::AXStringAttribute attribute) const {
-  std::string value_utf8;
-  if (!GetStringAttribute(attribute, &value_utf8))
-    return base::string16();
-  return base::UTF8ToUTF16(value_utf8);
-}
-
-bool AXPlatformNode::GetString16Attribute(
-    ui::AXStringAttribute attribute,
-    base::string16* value) const {
-  std::string value_utf8;
-  if (!GetStringAttribute(attribute, &value_utf8))
-    return false;
-  *value = base::UTF8ToUTF16(value_utf8);
-  return true;
-}
-
-bool AXPlatformNode::HasIntListAttribute(
-    ui::AXIntListAttribute attribute) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.intlist_attributes.size(); ++i) {
-    if (data.intlist_attributes[i].first == attribute)
-      return true;
-  }
-
-  return false;
-}
-
-const std::vector<int32>& AXPlatformNode::GetIntListAttribute(
-    ui::AXIntListAttribute attribute) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  CR_DEFINE_STATIC_LOCAL(std::vector<int32>, empty_vector, ());
-  for (size_t i = 0; i < data.intlist_attributes.size(); ++i) {
-    if (data.intlist_attributes[i].first == attribute)
-      return data.intlist_attributes[i].second;
-  }
-
-  return empty_vector;
-}
-
-bool AXPlatformNode::GetIntListAttribute(
-    ui::AXIntListAttribute attribute,
-    std::vector<int32>* value) const {
-  ui::AXNodeData* data = delegate_->GetData();
-  if (!data)
-    return false;
-
-  for (size_t i = 0; i < data.intlist_attributes.size(); ++i) {
-    if (data.intlist_attributes[i].first == attribute) {
-      *value = data.intlist_attributes[i].second;
-      return true;
-    }
-  }
-
-  return false;
-}
-
-bool AXPlatformNode::GetHtmlAttribute(
-    const char* html_attr, std::string* value) const {
-  for (size_t i = 0; i < GetHtmlAttributes().size(); ++i) {
-    const std::string& attr = GetHtmlAttributes()[i].first;
-    if (LowerCaseEqualsASCII(attr, html_attr)) {
-      *value = GetHtmlAttributes()[i].second;
-      return true;
-    }
-  }
-
-  return false;
-}
-
-bool AXPlatformNode::GetHtmlAttribute(
-    const char* html_attr, base::string16* value) const {
-  std::string value_utf8;
-  if (!GetHtmlAttribute(html_attr, &value_utf8))
-    return false;
-  *value = base::UTF8ToUTF16(value_utf8);
-  return true;
+gfx::NativeViewAccessible AXPlatformNode::ChildAtIndex(int index) {
+  return delegate_ ? delegate_->ChildAtIndex(index) : NULL;
 }
 
 }  // namespace ui