diff options
Diffstat (limited to 'src/gui/accessible/linux/qspiaccessiblebridge.cpp')
| -rw-r--r-- | src/gui/accessible/linux/qspiaccessiblebridge.cpp | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/src/gui/accessible/linux/qspiaccessiblebridge.cpp b/src/gui/accessible/linux/qspiaccessiblebridge.cpp new file mode 100644 index 0000000000..de2e7d5fc0 --- /dev/null +++ b/src/gui/accessible/linux/qspiaccessiblebridge.cpp @@ -0,0 +1,283 @@ +// Copyright (C) 2016 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 "qspiaccessiblebridge_p.h" + +#include <atspi/atspi-constants.h> +#include <private/qguiapplication_p.h> +#include <qpa/qplatformintegration.h> +#include <qstring.h> + +#include "atspiadaptor_p.h" + +#include "qspidbuscache_p.h" +#include "qspi_constant_mappings_p.h" +#include "dbusconnection_p.h" +#include "qspi_struct_marshallers_p.h" + +#if QT_CONFIG(accessibility) +#include "deviceeventcontroller_adaptor.h" + +QT_BEGIN_NAMESPACE + +using namespace Qt::StringLiterals; + +/*! + \class QSpiAccessibleBridge + \internal +*/ + +QSpiAccessibleBridge::QSpiAccessibleBridge() + : cache(nullptr), dec(nullptr), dbusAdaptor(nullptr) +{ + dbusConnection = new DBusConnection(); + connect(dbusConnection, SIGNAL(enabledChanged(bool)), this, SLOT(enabledChanged(bool))); + // Now that we have connected the signal, make sure we didn't miss a change, + // e.g. when running as root or when AT_SPI_BUS_ADDRESS is set by hand. + // But do that only on next loop, once dbus is really settled. + QTimer::singleShot( + 0, this, [this]{ + if (dbusConnection->isEnabled() && dbusConnection->connection().isConnected()) + enabledChanged(true); + }); +} + +void QSpiAccessibleBridge::enabledChanged(bool enabled) +{ + setActive(enabled); + updateStatus(); +} + +QSpiAccessibleBridge::~QSpiAccessibleBridge() +{ + delete dbusConnection; +} // Qt currently doesn't delete plugins. + +QDBusConnection QSpiAccessibleBridge::dBusConnection() const +{ + return dbusConnection->connection(); +} + +void QSpiAccessibleBridge::updateStatus() +{ + // create the adaptor to handle everything if we are in enabled state + if (!dbusAdaptor && isActive()) { + qSpiInitializeStructTypes(); + initializeConstantMappings(); + + cache = new QSpiDBusCache(dbusConnection->connection(), this); + dec = new DeviceEventControllerAdaptor(this); + + dbusConnection->connection().registerObject(ATSPI_DBUS_PATH_DEC ""_L1, this, QDBusConnection::ExportAdaptors); + + dbusAdaptor = new AtSpiAdaptor(dbusConnection, this); + dbusConnection->connection().registerVirtualObject(QSPI_OBJECT_PATH_ACCESSIBLE ""_L1, dbusAdaptor, QDBusConnection::SubPath); + dbusAdaptor->registerApplication(); + } +} + +void QSpiAccessibleBridge::notifyAccessibilityUpdate(QAccessibleEvent *event) +{ + if (!dbusAdaptor) + return; + if (isActive() && event->accessibleInterface()) + dbusAdaptor->notify(event); +} + +struct RoleMapping { + QAccessible::Role role; + AtspiRole spiRole; + const char *name; +}; + +static RoleMapping map[] = { + //: Role of an accessible object - the object is in an invalid state or could not be constructed + { QAccessible::NoRole, ATSPI_ROLE_INVALID, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "invalid role") }, + //: Role of an accessible object + { QAccessible::TitleBar, ATSPI_ROLE_TEXT, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "title bar") }, + //: Role of an accessible object + { QAccessible::MenuBar, ATSPI_ROLE_MENU_BAR, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "menu bar") }, + //: Role of an accessible object + { QAccessible::ScrollBar, ATSPI_ROLE_SCROLL_BAR, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "scroll bar") }, + //: Role of an accessible object - the grip is usually used for resizing another object + { QAccessible::Grip, ATSPI_ROLE_UNKNOWN, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "grip") }, + //: Role of an accessible object + { QAccessible::Sound, ATSPI_ROLE_UNKNOWN, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "sound") }, + //: Role of an accessible object + { QAccessible::Cursor, ATSPI_ROLE_UNKNOWN, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "cursor") }, + //: Role of an accessible object + { QAccessible::Caret, ATSPI_ROLE_UNKNOWN, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "text caret") }, + //: Role of an accessible object + { QAccessible::AlertMessage, ATSPI_ROLE_ALERT, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "alert message") }, + //: Role of an accessible object: a window with frame and title + { QAccessible::Window, ATSPI_ROLE_FRAME, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "frame") }, + //: Role of an accessible object + { QAccessible::Client, ATSPI_ROLE_FILLER, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "filler") }, + //: Role of an accessible object + { QAccessible::PopupMenu, ATSPI_ROLE_POPUP_MENU, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "popup menu") }, + //: Role of an accessible object + { QAccessible::MenuItem, ATSPI_ROLE_MENU_ITEM, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "menu item") }, + //: Role of an accessible object + { QAccessible::ToolTip, ATSPI_ROLE_TOOL_TIP, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "tool tip") }, + //: Role of an accessible object + { QAccessible::Application, ATSPI_ROLE_APPLICATION, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "application") }, + //: Role of an accessible object + { QAccessible::Document, ATSPI_ROLE_DOCUMENT_FRAME, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "document") }, + //: Role of an accessible object + { QAccessible::Pane, ATSPI_ROLE_PANEL, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "panel") }, + //: Role of an accessible object + { QAccessible::Chart, ATSPI_ROLE_CHART, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "chart") }, + //: Role of an accessible object + { QAccessible::Dialog, ATSPI_ROLE_DIALOG, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "dialog") }, + //: Role of an accessible object + { QAccessible::Border, ATSPI_ROLE_FRAME, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "frame") }, + //: Role of an accessible object + { QAccessible::Grouping, ATSPI_ROLE_PANEL, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "panel") }, + //: Role of an accessible object + { QAccessible::Separator, ATSPI_ROLE_SEPARATOR, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "separator") }, + //: Role of an accessible object + { QAccessible::ToolBar, ATSPI_ROLE_TOOL_BAR, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "tool bar") }, + //: Role of an accessible object + { QAccessible::StatusBar, ATSPI_ROLE_STATUS_BAR, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "status bar") }, + //: Role of an accessible object + { QAccessible::Table, ATSPI_ROLE_TABLE, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "table") }, + //: Role of an accessible object - part of a table + { QAccessible::ColumnHeader, ATSPI_ROLE_TABLE_COLUMN_HEADER, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "column header") }, + //: Role of an accessible object - part of a table + { QAccessible::RowHeader, ATSPI_ROLE_TABLE_ROW_HEADER, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "row header") }, + //: Role of an accessible object - part of a table + { QAccessible::Column, ATSPI_ROLE_TABLE_CELL, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "column") }, + //: Role of an accessible object - part of a table + { QAccessible::Row, ATSPI_ROLE_TABLE_ROW, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "row") }, + //: Role of an accessible object - part of a table + { QAccessible::Cell, ATSPI_ROLE_TABLE_CELL, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "cell") }, + //: Role of an accessible object + { QAccessible::Link, ATSPI_ROLE_LINK, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "link") }, + //: Role of an accessible object + { QAccessible::HelpBalloon, ATSPI_ROLE_DIALOG, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "help balloon") }, + //: Role of an accessible object - a helper dialog + { QAccessible::Assistant, ATSPI_ROLE_DIALOG, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "assistant") }, + //: Role of an accessible object + { QAccessible::List, ATSPI_ROLE_LIST, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "list") }, + //: Role of an accessible object + { QAccessible::ListItem, ATSPI_ROLE_LIST_ITEM, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "list item") }, + //: Role of an accessible object + { QAccessible::Tree, ATSPI_ROLE_TREE, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "tree") }, + //: Role of an accessible object + { QAccessible::TreeItem, ATSPI_ROLE_TABLE_CELL, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "tree item") }, + //: Role of an accessible object + { QAccessible::PageTab, ATSPI_ROLE_PAGE_TAB, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "page tab") }, + //: Role of an accessible object + { QAccessible::PropertyPage, ATSPI_ROLE_PAGE_TAB, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "property page") }, + //: Role of an accessible object + { QAccessible::Indicator, ATSPI_ROLE_UNKNOWN, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "indicator") }, + //: Role of an accessible object + { QAccessible::Graphic, ATSPI_ROLE_IMAGE, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "graphic") }, + //: Role of an accessible object + { QAccessible::StaticText, ATSPI_ROLE_LABEL, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "label") }, + //: Role of an accessible object + { QAccessible::EditableText, ATSPI_ROLE_TEXT, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "text") }, + //: Role of an accessible object + { QAccessible::PushButton, ATSPI_ROLE_PUSH_BUTTON, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "push button") }, + //: Role of an accessible object + { QAccessible::CheckBox, ATSPI_ROLE_CHECK_BOX, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "check box") }, + //: Role of an accessible object + { QAccessible::RadioButton, ATSPI_ROLE_RADIO_BUTTON, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "radio button") }, + //: Role of an accessible object + { QAccessible::ComboBox, ATSPI_ROLE_COMBO_BOX, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "combo box") }, + //: Role of an accessible object + { QAccessible::ProgressBar, ATSPI_ROLE_PROGRESS_BAR, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "progress bar") }, + //: Role of an accessible object + { QAccessible::Dial, ATSPI_ROLE_DIAL, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "dial") }, + //: Role of an accessible object + { QAccessible::HotkeyField, ATSPI_ROLE_TEXT, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "hotkey field") }, + //: Role of an accessible object + { QAccessible::Slider, ATSPI_ROLE_SLIDER, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "slider") }, + //: Role of an accessible object + { QAccessible::SpinBox, ATSPI_ROLE_SPIN_BUTTON, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "spin box") }, + //: Role of an accessible object + { QAccessible::Canvas, ATSPI_ROLE_CANVAS, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "canvas") }, + //: Role of an accessible object + { QAccessible::Animation, ATSPI_ROLE_ANIMATION, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "animation") }, + //: Role of an accessible object + { QAccessible::Equation, ATSPI_ROLE_TEXT, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "equation") }, + //: Role of an accessible object + { QAccessible::ButtonDropDown, ATSPI_ROLE_PUSH_BUTTON, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "button with drop down") }, + //: Role of an accessible object +#if ATSPI_ROLE_COUNT > 130 + { QAccessible::ButtonMenu, ATSPI_ROLE_PUSH_BUTTON_MENU, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "button menu") }, +#else + { QAccessible::ButtonMenu, ATSPI_ROLE_PUSH_BUTTON, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "button menu") }, +#endif + //: Role of an accessible object - a button that expands a grid. + { QAccessible::ButtonDropGrid, ATSPI_ROLE_PUSH_BUTTON, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "button with drop down grid") }, + //: Role of an accessible object - blank space between other objects. + { QAccessible::Whitespace, ATSPI_ROLE_FILLER, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "space") }, + //: Role of an accessible object + { QAccessible::PageTabList, ATSPI_ROLE_PAGE_TAB_LIST, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "page tab list") }, + //: Role of an accessible object + { QAccessible::Clock, ATSPI_ROLE_UNKNOWN, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "clock") }, + //: Role of an accessible object + { QAccessible::Splitter, ATSPI_ROLE_SPLIT_PANE, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "splitter") }, + //: Role of an accessible object + { QAccessible::LayeredPane, ATSPI_ROLE_LAYERED_PANE, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "layered pane") }, + //: Role of an accessible object + { QAccessible::WebDocument, ATSPI_ROLE_DOCUMENT_WEB, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "web document") }, + //: Role of an accessible object + { QAccessible::Paragraph, ATSPI_ROLE_PARAGRAPH, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "paragraph") }, + //: Role of an accessible object + { QAccessible::Section, ATSPI_ROLE_SECTION, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "section") }, + //: Role of an accessible object + { QAccessible::ColorChooser, ATSPI_ROLE_COLOR_CHOOSER, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "color chooser") }, + //: Role of an accessible object + { QAccessible::Footer, ATSPI_ROLE_FOOTER, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "footer") }, + //: Role of an accessible object + { QAccessible::Form, ATSPI_ROLE_FORM, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "form") }, + //: Role of an accessible object + { QAccessible::Heading, ATSPI_ROLE_HEADING, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "heading") }, + //: Role of an accessible object + { QAccessible::Note, ATSPI_ROLE_COMMENT, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "note") }, + //: Role of an accessible object + { QAccessible::ComplementaryContent, ATSPI_ROLE_SECTION, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "complementary content") }, + //: Role of an accessible object + { QAccessible::Terminal, ATSPI_ROLE_TERMINAL, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "terminal") }, + //: Role of an accessible object + { QAccessible::Desktop, ATSPI_ROLE_DESKTOP_FRAME, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "desktop") }, + //: Role of an accessible object + { QAccessible::Notification, ATSPI_ROLE_NOTIFICATION, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "notification") }, + //: Role of an accessible object + { QAccessible::UserRole, ATSPI_ROLE_UNKNOWN, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "unknown") } +}; + +void QSpiAccessibleBridge::initializeConstantMappings() +{ + for (uint i = 0; i < sizeof(map) / sizeof(RoleMapping); ++i) + m_spiRoleMapping.insert(map[i].role, RoleNames(map[i].spiRole, QLatin1StringView(map[i].name), tr(map[i].name))); + + // -1 because we have button duplicated, as PushButton and Button. + Q_ASSERT_X(m_spiRoleMapping.size() == + QAccessible::staticMetaObject.enumerator( + QAccessible::staticMetaObject.indexOfEnumerator("Role")).keyCount() - 1, + "", "Handle all QAccessible::Role members in qSpiRoleMapping"); +} + +QSpiAccessibleBridge *QSpiAccessibleBridge::instance() +{ + if (auto integration = QGuiApplicationPrivate::platformIntegration()) { + if (auto accessibility = integration->accessibility()) + return static_cast<QSpiAccessibleBridge *>(accessibility); + } + return nullptr; +} + +RoleNames QSpiAccessibleBridge::namesForRole(QAccessible::Role role) +{ + auto brigde = QSpiAccessibleBridge::instance(); + return brigde ? brigde->spiRoleNames().value(role) : RoleNames(); +} + +QT_END_NAMESPACE + +#include "moc_qspiaccessiblebridge_p.cpp" +#endif // QT_CONFIG(accessibility) |