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| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the QtWebEngine module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #include "browser_accessibility_manager_qt.h" |
| |
| #include "ui/accessibility/ax_enums.mojom.h" |
| #include "browser_accessibility_qt.h" |
| |
| using namespace blink; |
| |
| namespace content { |
| |
| BrowserAccessibilityManager* BrowserAccessibilityManager::Create( |
| const ui::AXTreeUpdate& initialTree, |
| BrowserAccessibilityDelegate* delegate, |
| BrowserAccessibilityFactory* factory) |
| { |
| #if QT_CONFIG(accessibility) |
| return new BrowserAccessibilityManagerQt(nullptr, initialTree, delegate, factory); |
| #else |
| delete factory; |
| return nullptr; |
| #endif // QT_CONFIG(accessibility) |
| } |
| |
| BrowserAccessibility *BrowserAccessibility::Create() |
| { |
| #if QT_CONFIG(accessibility) |
| return new BrowserAccessibilityQt(); |
| #else |
| return nullptr; |
| #endif // QT_CONFIG(accessibility) |
| } |
| |
| #if QT_CONFIG(accessibility) |
| BrowserAccessibilityManagerQt::BrowserAccessibilityManagerQt( |
| QObject *parentObject, const ui::AXTreeUpdate &initialTree, |
| BrowserAccessibilityDelegate* delegate, BrowserAccessibilityFactory* factory) |
| : BrowserAccessibilityManager(delegate, factory) |
| , m_parentObject(parentObject) |
| { |
| Initialize(initialTree); |
| m_valid = true; // BrowserAccessibilityQt can start using the AXTree |
| } |
| |
| BrowserAccessibilityManagerQt::~BrowserAccessibilityManagerQt() |
| { |
| m_valid = false; // BrowserAccessibilityQt should stop using the AXTree |
| } |
| |
| QAccessibleInterface *BrowserAccessibilityManagerQt::rootParentAccessible() |
| { |
| return QAccessible::queryAccessibleInterface(m_parentObject); |
| } |
| |
| void BrowserAccessibilityManagerQt::FireBlinkEvent(ax::mojom::Event event_type, |
| BrowserAccessibility* node) |
| { |
| BrowserAccessibilityQt *iface = static_cast<BrowserAccessibilityQt*>(node); |
| |
| switch (event_type) { |
| case ax::mojom::Event::kFocus: { |
| QAccessibleEvent event(iface, QAccessible::Focus); |
| QAccessible::updateAccessibility(&event); |
| break; |
| } |
| case ax::mojom::Event::kCheckedStateChanged: { |
| QAccessible::State change; |
| change.checked = true; |
| QAccessibleStateChangeEvent event(iface, change); |
| QAccessible::updateAccessibility(&event); |
| break; |
| } |
| case ax::mojom::Event::kValueChanged: { |
| QVariant value; |
| if (QAccessibleValueInterface *valueIface = iface->valueInterface()) |
| value = valueIface->currentValue(); |
| QAccessibleValueChangeEvent event(iface, value); |
| QAccessible::updateAccessibility(&event); |
| break; |
| } |
| case ax::mojom::Event::kChildrenChanged: |
| break; |
| case ax::mojom::Event::kLayoutComplete: |
| break; |
| case ax::mojom::Event::kLoadComplete: |
| break; |
| case ax::mojom::Event::kTextChanged: { |
| QAccessibleTextUpdateEvent event(iface, -1, QString(), QString()); |
| QAccessible::updateAccessibility(&event); |
| break; |
| } |
| case ax::mojom::Event::kTextSelectionChanged: { |
| QAccessibleTextInterface *textIface = iface->textInterface(); |
| if (textIface) { |
| int start = 0; |
| int end = 0; |
| textIface->selection(0, &start, &end); |
| if (start == end) { |
| QAccessibleTextCursorEvent event(iface, start); |
| QAccessible::updateAccessibility(&event); |
| } else { |
| QAccessibleTextSelectionEvent event(iface, start, end); |
| QAccessible::updateAccessibility(&event); |
| } |
| } |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| |
| void BrowserAccessibilityManagerQt::FireGeneratedEvent(ui::AXEventGenerator::Event event_type, |
| BrowserAccessibility* node) |
| { |
| BrowserAccessibilityQt *iface = static_cast<BrowserAccessibilityQt*>(node); |
| |
| switch (event_type) { |
| case ui::AXEventGenerator::Event::VALUE_CHANGED: |
| if (iface->role() == QAccessible::EditableText) { |
| QAccessibleTextUpdateEvent event(iface, -1, QString(), QString()); |
| QAccessible::updateAccessibility(&event); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| #endif // QT_CONFIG(accessibility) |
| |
| } |