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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "ui/accessibility/platform/inspect/ax_tree_formatter_base.h"
#include <utility>
#include "base/strings/stringprintf.h"
#include "base/values.h"
#include "content/browser/accessibility/accessibility_event_recorder.h"
#include "content/browser/accessibility/accessibility_tree_formatter_blink.h"
#include "content/browser/accessibility/browser_accessibility.h"
#include "content/public/browser/ax_inspect_factory.h"
#include "browser_accessibility_qt.h"
#include <QtGui/qaccessible.h>
namespace content {
#if QT_CONFIG(accessibility)
class AccessibilityTreeFormatterQt : public ui::AXTreeFormatterBase {
public:
explicit AccessibilityTreeFormatterQt();
~AccessibilityTreeFormatterQt() override;
base::Value BuildTree(ui::AXPlatformNodeDelegate *start) const override;
base::Value BuildTreeForSelector(const AXTreeSelector &selector) const override
{
return base::Value{};
}
private:
void RecursiveBuildAccessibilityTree(const BrowserAccessibility &node, base::DictionaryValue *dict) const;
void AddProperties(const BrowserAccessibility &node, base::DictionaryValue *dict) const;
std::string ProcessTreeForOutput(const base::DictionaryValue &node) const override;
};
AccessibilityTreeFormatterQt::AccessibilityTreeFormatterQt()
{
}
AccessibilityTreeFormatterQt::~AccessibilityTreeFormatterQt()
{
}
base::Value AccessibilityTreeFormatterQt::BuildTree(ui::AXPlatformNodeDelegate *start) const
{
BrowserAccessibility *root_internal =
BrowserAccessibility::FromAXPlatformNodeDelegate(start);
base::Value dict(base::Value::Type::DICTIONARY);
RecursiveBuildAccessibilityTree(*root_internal, static_cast<base::DictionaryValue *>(&dict));
return dict;
}
void AccessibilityTreeFormatterQt::RecursiveBuildAccessibilityTree(const BrowserAccessibility &node, base::DictionaryValue *dict) const
{
AddProperties(node, dict);
auto children = std::make_unique<base::ListValue>();
for (size_t i = 0; i < node.PlatformChildCount(); ++i) {
std::unique_ptr<base::DictionaryValue> child_dict(new base::DictionaryValue);
content::BrowserAccessibility *child_node = node.PlatformGetChild(i);
RecursiveBuildAccessibilityTree(*child_node, child_dict.get());
children->Append(std::move(child_dict));
}
dict->Set(kChildrenDictAttr, std::move(children));
}
void AccessibilityTreeFormatterQt::AddProperties(const BrowserAccessibility &node, base::DictionaryValue *dict) const
{
dict->SetInteger("id", node.GetId());
const QAccessibleInterface *iface = toQAccessibleInterface(&node);
dict->SetString("role", qAccessibleRoleString(iface->role()));
QAccessible::State state = iface->state();
std::vector<base::Value> states;
if (state.busy)
states.push_back(base::Value("busy"));
if (state.checkable)
states.push_back(base::Value("checkable"));
if (state.checked)
states.push_back(base::Value("checked"));
if (node.IsClickable())
states.push_back(base::Value("clickable"));
if (state.collapsed)
states.push_back(base::Value("collapsed"));
if (state.disabled)
states.push_back(base::Value("disabled"));
if (state.editable)
states.push_back(base::Value("editable"));
if (state.expandable)
states.push_back(base::Value("expandable"));
if (state.expanded)
states.push_back(base::Value("expanded"));
if (state.focusable)
states.push_back(base::Value("focusable"));
if (state.focused)
states.push_back(base::Value("focused"));
if (state.hasPopup)
states.push_back(base::Value("hasPopup"));
if (state.hotTracked)
states.push_back(base::Value("hotTracked"));
if (state.invisible)
states.push_back(base::Value("invisible"));
if (state.linked)
states.push_back(base::Value("linked"));
if (state.multiLine)
states.push_back(base::Value("multiLine"));
if (state.multiSelectable)
states.push_back(base::Value("multiSelectable"));
if (state.modal)
states.push_back(base::Value("modal"));
if (state.offscreen)
states.push_back(base::Value("offscreen"));
if (state.passwordEdit)
states.push_back(base::Value("password"));
if (state.pressed)
states.push_back(base::Value("pressed"));
if (state.readOnly)
states.push_back(base::Value("readOnly"));
if (state.selectable)
states.push_back(base::Value("selectable"));
if (state.selected)
states.push_back(base::Value("selected"));
if (state.traversed)
states.push_back(base::Value("traversed"));
dict->SetKey("states", base::Value(states));
dict->SetString("name", iface->text(QAccessible::Name).toStdString());
dict->SetString("description", iface->text(QAccessible::Description).toStdString());
}
std::string AccessibilityTreeFormatterQt::ProcessTreeForOutput(const base::DictionaryValue &node) const
{
std::string error_value;
if (node.GetString("error", &error_value))
return error_value;
std::string line;
std::string role_value;
node.GetString("role", &role_value);
if (!role_value.empty())
WriteAttribute(true, base::StringPrintf("%s", role_value.c_str()), &line);
const base::ListValue *states_value = nullptr;
if (node.GetList("states", &states_value)) {
for (const auto &state : states_value->GetList()) {
std::string state_value;
if (state.GetAsString(&state_value))
WriteAttribute(false, state_value, &line);
}
}
std::string name_value;
if (node.GetString("name", &name_value))
WriteAttribute(true, base::StringPrintf("name='%s'", name_value.c_str()), &line);
std::string description_value;
if (node.GetString("description", &description_value))
WriteAttribute(false, base::StringPrintf("description='%s'", description_value.c_str()), &line);
int id_value;
node.GetInteger("id", &id_value);
WriteAttribute(false, base::StringPrintf("id=%d", id_value), &line);
return line + "\n";
}
#endif // QT_CONFIG(accessibility)
// static
std::unique_ptr<ui::AXTreeFormatter>
AXInspectFactory::CreatePlatformFormatter()
{
return AXInspectFactory::CreateFormatter(ui::AXApiType::kQt);
}
// static
std::unique_ptr<ui::AXEventRecorder> AXInspectFactory::CreatePlatformRecorder(BrowserAccessibilityManager *manager,
base::ProcessId pid,
const ui::AXTreeSelector &selector)
{
return AXInspectFactory::CreateRecorder(ui::AXApiType::kQt, manager, pid, selector);
}
// static
std::unique_ptr<ui::AXTreeFormatter> AXInspectFactory::CreateFormatter(ui::AXApiType::Type type)
{
switch (type) {
case ui::AXApiType::kBlink:
return std::make_unique<AccessibilityTreeFormatterBlink>();
case ui::AXApiType::kQt:
#if QT_CONFIG(accessibility)
return std::make_unique<AccessibilityTreeFormatterQt>();
#else
return nullptr;
#endif
default:
NOTREACHED() << "Unsupported inspect type " << type;
}
return nullptr;
}
// static
std::unique_ptr<ui::AXEventRecorder> AXInspectFactory::CreateRecorder(ui::AXApiType::Type type,
BrowserAccessibilityManager *manager,
base::ProcessId pid,
const ui::AXTreeSelector &selector)
{
switch (type) {
case ui::AXApiType::kQt:
return std::make_unique<AccessibilityEventRecorder>(manager);
default:
NOTREACHED() << "Unsupported inspect type " << type;
}
return nullptr;
}
} // namespace content
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