content/browser/accessibility/browser_accessibility_auralinux.cc

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/accessibility/browser_accessibility_auralinux.h"

#include "content/browser/accessibility/browser_accessibility_manager.h"
#include "ui/accessibility/platform/ax_platform_node_auralinux.h"

namespace content {

BrowserAccessibilityAuraLinux* ToBrowserAccessibilityAuraLinux(
    BrowserAccessibility* obj) {
  return static_cast<BrowserAccessibilityAuraLinux*>(obj);
}

// static
std::unique_ptr<BrowserAccessibility> BrowserAccessibility::Create(
    BrowserAccessibilityManager* manager,
    ui::AXNode* node) {
  return std::make_unique<BrowserAccessibilityAuraLinux>(manager, node);
}

BrowserAccessibilityAuraLinux::BrowserAccessibilityAuraLinux(
    BrowserAccessibilityManager* manager,
    ui::AXNode* node)
    : BrowserAccessibility(manager, node) {
  platform_node_ = static_cast<ui::AXPlatformNodeAuraLinux*>(
      ui::AXPlatformNode::Create(this));
}

BrowserAccessibilityAuraLinux::~BrowserAccessibilityAuraLinux() {
  DCHECK(platform_node_);
  // Clear platform_node_ and return another raw_ptr instance
  // that is allowed to dangle.
  platform_node_.ExtractAsDangling()->Destroy();
}

ui::AXPlatformNodeAuraLinux* BrowserAccessibilityAuraLinux::GetNode() const {
  return platform_node_;
}

gfx::NativeViewAccessible
BrowserAccessibilityAuraLinux::GetNativeViewAccessible() {
  DCHECK(platform_node_);
  return platform_node_->GetNativeViewAccessible();
}

void BrowserAccessibilityAuraLinux::UpdatePlatformAttributes() {
  GetNode()->UpdateHypertext();
}

void BrowserAccessibilityAuraLinux::OnDataChanged() {
  BrowserAccessibility::OnDataChanged();
  DCHECK(platform_node_);
  platform_node_->EnsureAtkObjectIsValid();
}

ui::AXPlatformNode* BrowserAccessibilityAuraLinux::GetAXPlatformNode() const {
  return GetNode();
}

std::u16string BrowserAccessibilityAuraLinux::GetHypertext() const {
  return GetNode()->AXPlatformNodeAuraLinux::GetHypertext();
}

ui::TextAttributeList BrowserAccessibilityAuraLinux::ComputeTextAttributes()
    const {
  return GetNode()->ComputeTextAttributes();
}

}  // namespace content