cef/tests/cefclient/browser/osr_accessibility_node.cc

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// Copyright 2017 The Chromium Embedded Framework Authors. Portions copyright
// 2013 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.
// Base class implementation for CEF Acccessibility node. This is subclassed and
// used by both IAccessible/NSAccessibility protocol implementation.
#include "tests/cefclient/browser/osr_accessibility_node.h"
#include "tests/cefclient/browser/osr_accessibility_helper.h"
namespace client {
OsrAXNode::OsrAXNode(CefRefPtr<CefDictionaryValue> value,
OsrAccessibilityHelper* helper)
: node_id_(-1),
platform_accessibility_(NULL),
parent_(NULL),
accessibility_helper_(helper) {
UpdateValue(value);
}
void OsrAXNode::UpdateValue(CefRefPtr<CefDictionaryValue> value) {
if (value && value->HasKey("id")) {
node_id_ = value->GetInt("id");
if (value->HasKey("role"))
role_ = value->GetString("role");
if (value->HasKey("child_ids")) {
CefRefPtr<CefListValue> childs = value->GetList("child_ids");
// Reset child Ids
child_ids_.clear();
for (size_t idx = 0; idx < childs->GetSize(); idx++)
child_ids_.push_back(childs->GetInt(idx));
}
// Update Location
if (value->HasKey("location")) {
CefRefPtr<CefDictionaryValue> loc = value->GetDictionary("location");
if (loc) {
location_ = CefRect(loc->GetDouble("x"), loc->GetDouble("y"),
loc->GetDouble("width"), loc->GetDouble("height"));
}
}
// Update offsets
if (value->HasKey("offset_container_id")) {
offset_container_id_ = value->GetInt("offset_container_id");
}
// Update attributes
if (value->HasKey("attributes")) {
attributes_ = value->GetDictionary("attributes");
if (attributes_ && attributes_->HasKey("name"))
name_ = attributes_->GetString("name");
if (attributes_ && attributes_->HasKey("value"))
value_ = attributes_->GetString("value");
if (attributes_ && attributes_->HasKey("description"))
description_ = attributes_->GetString("description");
}
}
}
CefWindowHandle OsrAXNode::GetWindowHandle() const {
if (accessibility_helper_)
return accessibility_helper_->GetWindowHandle();
return NULL;
}
CefRefPtr<CefBrowser> OsrAXNode::GetBrowser() const {
if (accessibility_helper_)
return accessibility_helper_->GetBrowser();
return NULL;
}
void OsrAXNode::SetParent(OsrAXNode* parent) {
parent_ = parent;
}
CefRect OsrAXNode::AxLocation() const {
CefRect loc = location_;
OsrAXNode* offsetNode = accessibility_helper_->GetNode(offset_container_id_);
// Add offset from parent Lcoation
if (offsetNode) {
CefRect offset = offsetNode->AxLocation();
loc.x += offset.x;
loc.y += offset.y;
}
return loc;
}
OsrAXNode* OsrAXNode::ChildAtIndex(int index) const {
if (index < GetChildCount())
return accessibility_helper_->GetNode(child_ids_[index]);
else
return NULL;
}
// Create and return the platform specific OsrAXNode Object
OsrAXNode* OsrAXNode::CreateNode(CefRefPtr<CefDictionaryValue> value,
OsrAccessibilityHelper* helper) {
return new OsrAXNode(value, helper);
}
} // namespace client