diff options
Diffstat (limited to 'src/core/browser_accessibility_qt.cpp')
| -rw-r--r-- | src/core/browser_accessibility_qt.cpp | 693 |
1 files changed, 438 insertions, 255 deletions
diff --git a/src/core/browser_accessibility_qt.cpp b/src/core/browser_accessibility_qt.cpp index de78eb85d..de3347df3 100644 --- a/src/core/browser_accessibility_qt.cpp +++ b/src/core/browser_accessibility_qt.cpp @@ -1,88 +1,197 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtWebEngine module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2022 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 // Copyright (c) 2012 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.Chromium file. #include "browser_accessibility_qt.h" - -#if QT_CONFIG(accessibility) - -#include "ui/accessibility/ax_enums.mojom.h" - #include "browser_accessibility_manager_qt.h" #include "qtwebenginecoreglobal_p.h" #include "type_conversion.h" -using namespace blink; -using QtWebEngineCore::toQt; +#if QT_CONFIG(accessibility) +#include "content/browser/accessibility/browser_accessibility.h" +#include "ui/accessibility/ax_enums.mojom.h" -namespace content { +#include <QtGui/qaccessible.h> + +namespace QtWebEngineCore { +class BrowserAccessibilityInterface; + +class BrowserAccessibilityQt + : public content::BrowserAccessibility +{ +public: + BrowserAccessibilityQt(content::BrowserAccessibilityManager *manager, ui::AXNode *node); + ~BrowserAccessibilityQt(); + + bool isReady() const; + + QtWebEngineCore::BrowserAccessibilityInterface *interface = nullptr; +}; + +class BrowserAccessibilityInterface + : public QAccessibleInterface + , public QAccessibleActionInterface + , public QAccessibleTextInterface + , public QAccessibleValueInterface + , public QAccessibleTableInterface + , public QAccessibleTableCellInterface +{ +public: + BrowserAccessibilityInterface(BrowserAccessibilityQt *chromiumInterface); + ~BrowserAccessibilityInterface() override; + + void destroy(); + + // QAccessibleInterface + bool isValid() const override; + QObject *object() const override; + QAccessibleInterface *childAt(int x, int y) const override; + void *interface_cast(QAccessible::InterfaceType type) override; + + // navigation, hierarchy + QAccessibleInterface *parent() const override; + QAccessibleInterface *child(int index) const override; + QAccessibleInterface *focusChild() const override; + int childCount() const override; + int indexOfChild(const QAccessibleInterface *) const override; + + // properties and state + QString text(QAccessible::Text t) const override; + void setText(QAccessible::Text t, const QString &text) override; + QRect rect() const override; + QAccessible::Role role() const override; + QAccessible::State state() const override; + + // QAccessibleActionInterface + QStringList actionNames() const override; + void doAction(const QString &actionName) override; + QStringList keyBindingsForAction(const QString &actionName) const override; + + // QAccessibleTextInterface + void addSelection(int startOffset, int endOffset) override; + QString attributes(int offset, int *startOffset, int *endOffset) const override; + int cursorPosition() const override; + QRect characterRect(int offset) const override; + int selectionCount() const override; + int offsetAtPoint(const QPoint &point) const override; + void selection(int selectionIndex, int *startOffset, int *endOffset) const override; + QString text(int startOffset, int endOffset) const override; + void removeSelection(int selectionIndex) override; + void setCursorPosition(int position) override; + void setSelection(int selectionIndex, int startOffset, int endOffset) override; + int characterCount() const override; + void scrollToSubstring(int startIndex, int endIndex) override; + + // QAccessibleValueInterface + QVariant currentValue() const override; + void setCurrentValue(const QVariant &value) override; + QVariant maximumValue() const override; + QVariant minimumValue() const override; + QVariant minimumStepSize() const override; + + // QAccessibleTableInterface + QAccessibleInterface *cellAt(int row, int column) const override; + QAccessibleInterface *caption() const override; + QAccessibleInterface *summary() const override; + QString columnDescription(int column) const override; + QString rowDescription(int row) const override; + int columnCount() const override; + int rowCount() const override; + // selection + int selectedCellCount() const override; + int selectedColumnCount() const override; + int selectedRowCount() const override; + QList<QAccessibleInterface *> selectedCells() const override; + QList<int> selectedColumns() const override; + QList<int> selectedRows() const override; + bool isColumnSelected(int column) const override; + bool isRowSelected(int row) const override; + bool selectRow(int row) override; + bool selectColumn(int column) override; + bool unselectRow(int row) override; + bool unselectColumn(int column) override; + + // QAccessibleTableCellInterface + int columnExtent() const override; + QList<QAccessibleInterface *> columnHeaderCells() const override; + int columnIndex() const override; + int rowExtent() const override; + QList<QAccessibleInterface *> rowHeaderCells() const override; + int rowIndex() const override; + bool isSelected() const override; + QAccessibleInterface *table() const override; + + void modelChange(QAccessibleTableModelChangeEvent *event) override; + +private: + content::BrowserAccessibility *findTable() const; + + QObject *m_object = nullptr; + QAccessible::Id m_id = 0; + BrowserAccessibilityQt *q; +}; + +BrowserAccessibilityQt::BrowserAccessibilityQt(content::BrowserAccessibilityManager *manager, + ui::AXNode *node) + : content::BrowserAccessibility(manager, node) + , interface(new BrowserAccessibilityInterface(this)) +{ +} + +BrowserAccessibilityQt::~BrowserAccessibilityQt() +{ + if (interface) + interface->destroy(); +} + +bool BrowserAccessibilityQt::isReady() const +{ + // FIXME: This is just a workaround, remove this when the commented out assert in + // BrowserAccessibilityManager::GetFromID(int32_t id) gets fixed. + return manager()->GetFromID(node()->id()) != nullptr; +} + +BrowserAccessibilityInterface::BrowserAccessibilityInterface(BrowserAccessibilityQt *chromiumInterface) + : q(chromiumInterface) +{ + if (parent() && parent()->object()) { + m_object = new QObject(parent()->object()); + QString name = toQt(q->GetAuthorUniqueId()); + if (!name.isEmpty()) + m_object->setObjectName(name); + } -const BrowserAccessibilityQt *ToBrowserAccessibilityQt(const BrowserAccessibility *obj) -{ - return static_cast<const BrowserAccessibilityQt *>(obj); + m_id = QAccessible::registerAccessibleInterface(this); } -QAccessibleInterface *toQAccessibleInterface(BrowserAccessibility *obj) +BrowserAccessibilityInterface::~BrowserAccessibilityInterface() { - return static_cast<BrowserAccessibilityQt *>(obj); + q->interface = nullptr; } -BrowserAccessibilityQt::BrowserAccessibilityQt() +void BrowserAccessibilityInterface::destroy() { - QAccessible::registerAccessibleInterface(this); + QAccessible::deleteAccessibleInterface(m_id); } -bool BrowserAccessibilityQt::isValid() const +bool BrowserAccessibilityInterface::isValid() const { - auto managerQt = static_cast<BrowserAccessibilityManagerQt *>(manager_); + if (!q->isReady()) + return false; + + auto managerQt = static_cast<content::BrowserAccessibilityManagerQt *>(q->manager()); return managerQt && managerQt->isValid(); } -QObject *BrowserAccessibilityQt::object() const +QObject *BrowserAccessibilityInterface::object() const { - return 0; + return m_object; } -QAccessibleInterface *BrowserAccessibilityQt::childAt(int x, int y) const +QAccessibleInterface *BrowserAccessibilityInterface::childAt(int x, int y) const { for (int i = 0; i < childCount(); ++i) { QAccessibleInterface *childIface = child(i); @@ -90,10 +199,10 @@ QAccessibleInterface *BrowserAccessibilityQt::childAt(int x, int y) const if (childIface->rect().contains(x,y)) return childIface; } - return 0; + return nullptr; } -void *BrowserAccessibilityQt::interface_cast(QAccessible::InterfaceType type) +void *BrowserAccessibilityInterface::interface_cast(QAccessible::InterfaceType type) { switch (type) { case QAccessible::ActionInterface: @@ -101,7 +210,7 @@ void *BrowserAccessibilityQt::interface_cast(QAccessible::InterfaceType type) return static_cast<QAccessibleActionInterface*>(this); break; case QAccessible::TextInterface: - if (HasState(ax::mojom::State::kEditable)) + if (q->HasState(ax::mojom::State::kEditable)) return static_cast<QAccessibleTextInterface*>(this); break; case QAccessible::ValueInterface: { @@ -123,35 +232,36 @@ void *BrowserAccessibilityQt::interface_cast(QAccessible::InterfaceType type) } case QAccessible::TableCellInterface: { QAccessible::Role r = role(); - if (r == QAccessible::Cell || - r == QAccessible::ListItem || - r == QAccessible::TreeItem) - return static_cast<QAccessibleTableCellInterface*>(this); + if (r == QAccessible::Cell || r == QAccessible::ListItem || r == QAccessible::TreeItem) { + if (findTable()) + return static_cast<QAccessibleTableCellInterface *>(this); + } break; } default: break; } - return 0; + return nullptr; } -QAccessibleInterface *BrowserAccessibilityQt::parent() const +QAccessibleInterface *BrowserAccessibilityInterface::parent() const { - BrowserAccessibility *p = PlatformGetParent(); - if (p) - return static_cast<BrowserAccessibilityQt*>(p); - return static_cast<BrowserAccessibilityManagerQt*>(manager())->rootParentAccessible(); + content::BrowserAccessibility *chromiumParent = q->PlatformGetParent(); + if (chromiumParent) + return toQAccessibleInterface(chromiumParent); + return static_cast<content::BrowserAccessibilityManagerQt*>(q->manager())->rootParentAccessible(); } -QAccessibleInterface *BrowserAccessibilityQt::child(int index) const +QAccessibleInterface *BrowserAccessibilityInterface::child(int index) const { - return static_cast<BrowserAccessibilityQt*>(BrowserAccessibility::PlatformGetChild(index)); + content::BrowserAccessibility *chromiumChild = q->PlatformGetChild(index); + return chromiumChild ? toQAccessibleInterface(chromiumChild) : nullptr; } -QAccessibleInterface *BrowserAccessibilityQt::focusChild() const +QAccessibleInterface *BrowserAccessibilityInterface::focusChild() const { if (state().focused) - return const_cast<BrowserAccessibilityQt *>(this); + return const_cast<BrowserAccessibilityInterface *>(this); for (int i = 0; i < childCount(); ++i) { if (QAccessibleInterface *iface = child(i)->focusChild()) @@ -161,57 +271,65 @@ QAccessibleInterface *BrowserAccessibilityQt::focusChild() const return nullptr; } -int BrowserAccessibilityQt::childCount() const +int BrowserAccessibilityInterface::childCount() const { - return PlatformChildCount(); + return q->PlatformChildCount(); } -int BrowserAccessibilityQt::indexOfChild(const QAccessibleInterface *iface) const +int BrowserAccessibilityInterface::indexOfChild(const QAccessibleInterface *iface) const { - const BrowserAccessibilityQt *child = static_cast<const BrowserAccessibilityQt*>(iface); - return const_cast<BrowserAccessibilityQt *>(child)->GetIndexInParent(); + const BrowserAccessibilityInterface *child = static_cast<const BrowserAccessibilityInterface *>(iface); + return const_cast<BrowserAccessibilityInterface *>(child)->q->GetIndexInParent().value(); } -QString BrowserAccessibilityQt::text(QAccessible::Text t) const +QString BrowserAccessibilityInterface::text(QAccessible::Text t) const { + if (!q->isReady()) + return QString(); + switch (t) { case QAccessible::Name: - return toQt(GetStringAttribute(ax::mojom::StringAttribute::kName)); + return toQt(q->GetStringAttribute(ax::mojom::StringAttribute::kName)); case QAccessible::Description: - return toQt(GetStringAttribute(ax::mojom::StringAttribute::kDescription)); + return toQt(q->GetStringAttribute(ax::mojom::StringAttribute::kDescription)); case QAccessible::Value: - return toQt(GetStringAttribute(ax::mojom::StringAttribute::kValue)); + return toQt(q->GetStringAttribute(ax::mojom::StringAttribute::kValue)); case QAccessible::Accelerator: - return toQt(GetStringAttribute(ax::mojom::StringAttribute::kKeyShortcuts)); + return toQt(q->GetStringAttribute(ax::mojom::StringAttribute::kKeyShortcuts)); default: break; } return QString(); } -void BrowserAccessibilityQt::setText(QAccessible::Text t, const QString &text) +void BrowserAccessibilityInterface::setText(QAccessible::Text t, const QString &text) { } -QRect BrowserAccessibilityQt::rect() const +QRect BrowserAccessibilityInterface::rect() const { - if (!manager()) // needed implicitly by GetScreenBoundsRect() + if (!q->manager() || !q->isReady()) // needed implicitly by GetScreenBoundsRect() return QRect(); - gfx::Rect bounds = GetUnclippedScreenBoundsRect(); + gfx::Rect bounds = q->GetUnclippedScreenBoundsRect(); + bounds = gfx::ScaleToRoundedRect(bounds, 1.f / q->manager()->device_scale_factor()); // FIXME: check return QRect(bounds.x(), bounds.y(), bounds.width(), bounds.height()); } -QAccessible::Role BrowserAccessibilityQt::role() const +QAccessible::Role BrowserAccessibilityInterface::role() const { - switch (GetRole()) { + switch (q->GetRole()) { case ax::mojom::Role::kNone: case ax::mojom::Role::kUnknown: return QAccessible::NoRole; + // Internal roles (matching auralinux and win) + case ax::mojom::Role::kKeyboard: + case ax::mojom::Role::kImeCandidate: + return QAccessible::NoRole; + // Used by Chromium to distinguish between the root of the tree // for this page, and a web area for a frame within this page. - case ax::mojom::Role::kWebArea: case ax::mojom::Role::kWebView: case ax::mojom::Role::kRootWebArea: // not sure if we need to make a diff here, but this seems common return QAccessible::WebDocument; @@ -223,8 +341,6 @@ QAccessible::Role BrowserAccessibilityQt::role() const case ax::mojom::Role::kAlert: case ax::mojom::Role::kAlertDialog: return QAccessible::AlertMessage; - case ax::mojom::Role::kAnchor: - return QAccessible::Link; case ax::mojom::Role::kApplication: return QAccessible::Document; // returning Application here makes Qt return the top level app object case ax::mojom::Role::kArticle: @@ -261,10 +377,11 @@ QAccessible::Role BrowserAccessibilityQt::role() const case ax::mojom::Role::kComboBoxMenuButton: case ax::mojom::Role::kTextFieldWithComboBox: return QAccessible::ComboBox; + case ax::mojom::Role::kComboBoxSelect: + return QAccessible::PopupMenu; case ax::mojom::Role::kComplementary: return QAccessible::ComplementaryContent; case ax::mojom::Role::kComment: - case ax::mojom::Role::kCommentSection: return QAccessible::Section; case ax::mojom::Role::kContentDeletion: case ax::mojom::Role::kContentInsertion: @@ -328,6 +445,11 @@ QAccessible::Role BrowserAccessibilityQt::role() const case ax::mojom::Role::kDocIndex: case ax::mojom::Role::kDocIntroduction: case ax::mojom::Role::kDocNotice: + return QAccessible::Section; + case ax::mojom::Role::kDocPageFooter: + return QAccessible::Footer; + case ax::mojom::Role::kDocPageHeader: + return QAccessible::Heading; case ax::mojom::Role::kDocPageList: case ax::mojom::Role::kDocPart: case ax::mojom::Role::kDocPreface: @@ -353,7 +475,8 @@ QAccessible::Role BrowserAccessibilityQt::role() const case ax::mojom::Role::kFigure: return QAccessible::Section; case ax::mojom::Role::kFooter: - return QAccessible::Footer; + // CORE-AAM recommends LANDMARK instead of FOOTER. + return QAccessible::Section; case ax::mojom::Role::kFooterAsNonLandmark: return QAccessible::Section; case ax::mojom::Role::kForm: @@ -377,23 +500,16 @@ QAccessible::Role BrowserAccessibilityQt::role() const return QAccessible::WebDocument; case ax::mojom::Role::kIframePresentational: return QAccessible::Grouping; - case ax::mojom::Role::kIgnored: - return QAccessible::NoRole; case ax::mojom::Role::kImage: return QAccessible::Graphic; - case ax::mojom::Role::kImageMap: - return QAccessible::Document; case ax::mojom::Role::kInlineTextBox: return QAccessible::StaticText; case ax::mojom::Role::kInputTime: return QAccessible::SpinBox; - case ax::mojom::Role::kKeyboard: - return QAccessible::NoRole; // FIXME case ax::mojom::Role::kLabelText: return QAccessible::StaticText; case ax::mojom::Role::kLayoutTable: case ax::mojom::Role::kLayoutTableCell: - case ax::mojom::Role::kLayoutTableColumn: case ax::mojom::Role::kLayoutTableRow: return QAccessible::Section; case ax::mojom::Role::kLegend: @@ -423,7 +539,50 @@ QAccessible::Role BrowserAccessibilityQt::role() const case ax::mojom::Role::kMarquee: return QAccessible::Section; case ax::mojom::Role::kMath: + case ax::mojom::Role::kMathMLMath: return QAccessible::Equation; + case ax::mojom::Role::kMathMLFraction: + return QAccessible::Grouping; + case ax::mojom::Role::kMathMLIdentifier: + return QAccessible::StaticText; + case ax::mojom::Role::kMathMLMultiscripts: + return QAccessible::Section; + case ax::mojom::Role::kMathMLNoneScript: + return QAccessible::Section; + case ax::mojom::Role::kMathMLNumber: + return QAccessible::StaticText; + case ax::mojom::Role::kMathMLOperator: + return QAccessible::StaticText; + case ax::mojom::Role::kMathMLOver: + return QAccessible::Section; + case ax::mojom::Role::kMathMLPrescriptDelimiter: + return QAccessible::Section; + case ax::mojom::Role::kMathMLRoot: + return QAccessible::Section; + case ax::mojom::Role::kMathMLRow: + return QAccessible::Section; + case ax::mojom::Role::kMathMLSquareRoot: + return QAccessible::Section; + case ax::mojom::Role::kMathMLStringLiteral: + return QAccessible::StaticText; + case ax::mojom::Role::kMathMLSub: + return QAccessible::Section; + case ax::mojom::Role::kMathMLSubSup: + return QAccessible::Section; + case ax::mojom::Role::kMathMLSup: + return QAccessible::Section; + case ax::mojom::Role::kMathMLTable: + return QAccessible::Table; + case ax::mojom::Role::kMathMLTableCell: + return QAccessible::Cell; + case ax::mojom::Role::kMathMLTableRow: + return QAccessible::Row; + case ax::mojom::Role::kMathMLText: + return QAccessible::StaticText; + case ax::mojom::Role::kMathMLUnder: + return QAccessible::Section; + case ax::mojom::Role::kMathMLUnderOver: + return QAccessible::Section; case ax::mojom::Role::kMenu: return QAccessible::PopupMenu; case ax::mojom::Role::kMenuBar: @@ -434,8 +593,6 @@ QAccessible::Role BrowserAccessibilityQt::role() const return QAccessible::CheckBox; case ax::mojom::Role::kMenuItemRadio: return QAccessible::RadioButton; - case ax::mojom::Role::kMenuButton: - return QAccessible::MenuItem; case ax::mojom::Role::kMenuListOption: return QAccessible::MenuItem; case ax::mojom::Role::kMenuListPopup: @@ -450,12 +607,18 @@ QAccessible::Role BrowserAccessibilityQt::role() const return QAccessible::Pane; case ax::mojom::Role::kParagraph: return QAccessible::Paragraph; + case ax::mojom::Role::kPdfActionableHighlight: + return QAccessible::Button; + case ax::mojom::Role::kPdfRoot: + return QAccessible::Document; + case ax::mojom::Role::kPluginObject: + return QAccessible::Grouping; case ax::mojom::Role::kPopUpButton: return QAccessible::ComboBox; + case ax::mojom::Role::kPortal: + return QAccessible::Button; case ax::mojom::Role::kPre: return QAccessible::Section; - case ax::mojom::Role::kPresentational: - return QAccessible::NoRole; // FIXME case ax::mojom::Role::kProgressIndicator: return QAccessible::ProgressBar; case ax::mojom::Role::kRadioButton: @@ -464,8 +627,6 @@ QAccessible::Role BrowserAccessibilityQt::role() const return QAccessible::Grouping; case ax::mojom::Role::kRegion: return QAccessible::Section; - case ax::mojom::Role::kRevision: - return QAccessible::Section; case ax::mojom::Role::kRow: return QAccessible::Row; case ax::mojom::Role::kRowGroup: @@ -473,7 +634,7 @@ QAccessible::Role BrowserAccessibilityQt::role() const case ax::mojom::Role::kRowHeader: return QAccessible::RowHeader; case ax::mojom::Role::kRuby: - return QAccessible::StaticText; + return QAccessible::Grouping; case ax::mojom::Role::kRubyAnnotation: return QAccessible::StaticText; case ax::mojom::Role::kScrollBar: @@ -487,7 +648,6 @@ QAccessible::Role BrowserAccessibilityQt::role() const case ax::mojom::Role::kSection: return QAccessible::Section; case ax::mojom::Role::kSlider: - case ax::mojom::Role::kSliderThumb: return QAccessible::Slider; case ax::mojom::Role::kSpinButton: return QAccessible::SpinBox; @@ -499,10 +659,14 @@ QAccessible::Role BrowserAccessibilityQt::role() const return QAccessible::Indicator; case ax::mojom::Role::kStrong: return QAccessible::StaticText; + case ax::mojom::Role::kSubscript: + return QAccessible::Grouping; case ax::mojom::Role::kSuggestion: return QAccessible::Section; + case ax::mojom::Role::kSuperscript: + return QAccessible::Grouping; case ax::mojom::Role::kSvgRoot: - return QAccessible::Graphic; + return QAccessible::WebDocument; case ax::mojom::Role::kSwitch: return QAccessible::Button; case ax::mojom::Role::kTable: @@ -544,63 +708,68 @@ QAccessible::Role BrowserAccessibilityQt::role() const return QAccessible::NoRole; } -QAccessible::State BrowserAccessibilityQt::state() const +QAccessible::State BrowserAccessibilityInterface::state() const { QAccessible::State state = QAccessible::State(); - if (HasState(ax::mojom::State::kCollapsed)) + if (!q->isReady()) { + state.invalid = true; + return state; + } + + if (q->HasState(ax::mojom::State::kCollapsed)) state.collapsed = true; - if (HasState(ax::mojom::State::kDefault)) + if (q->HasState(ax::mojom::State::kDefault)) state.defaultButton = true; - if (HasState(ax::mojom::State::kEditable)) + if (q->HasState(ax::mojom::State::kEditable)) state.editable = true; - if (HasState(ax::mojom::State::kExpanded)) + if (q->HasState(ax::mojom::State::kExpanded)) state.expanded = true; - if (HasState(ax::mojom::State::kFocusable)) + if (q->HasState(ax::mojom::State::kFocusable)) state.focusable = true; - if (HasState(ax::mojom::State::kHorizontal)) + if (q->HasState(ax::mojom::State::kHorizontal)) {} // FIXME - if (HasState(ax::mojom::State::kHovered)) + if (q->HasState(ax::mojom::State::kHovered)) state.hotTracked = true; - if (HasState(ax::mojom::State::kIgnored)) + if (q->HasState(ax::mojom::State::kIgnored)) {} // FIXME - if (HasState(ax::mojom::State::kInvisible)) + if (q->HasState(ax::mojom::State::kInvisible)) state.invisible = true; - if (HasState(ax::mojom::State::kLinked)) + if (q->HasState(ax::mojom::State::kLinked)) state.linked = true; - if (HasState(ax::mojom::State::kMultiline)) + if (q->HasState(ax::mojom::State::kMultiline)) state.multiLine = true; - if (HasState(ax::mojom::State::kMultiselectable)) + if (q->HasState(ax::mojom::State::kMultiselectable)) state.multiSelectable = true; - if (HasState(ax::mojom::State::kProtected)) + if (q->HasState(ax::mojom::State::kProtected)) state.passwordEdit = true; - if (HasState(ax::mojom::State::kRequired)) + if (q->HasState(ax::mojom::State::kRequired)) {} // FIXME - if (HasState(ax::mojom::State::kRichlyEditable)) + if (q->HasState(ax::mojom::State::kRichlyEditable)) {} // FIXME - if (HasState(ax::mojom::State::kVertical)) + if (q->HasState(ax::mojom::State::kVertical)) {} // FIXME - if (HasState(ax::mojom::State::kVisited)) + if (q->HasState(ax::mojom::State::kVisited)) state.traversed = true; - if (IsOffscreen()) + if (q->IsOffscreen()) state.offscreen = true; - if (manager()->GetFocus() == this) + if (q->manager()->GetFocus() == q) state.focused = true; - if (GetBoolAttribute(ax::mojom::BoolAttribute::kBusy)) + if (q->GetBoolAttribute(ax::mojom::BoolAttribute::kBusy)) state.busy = true; - if (GetBoolAttribute(ax::mojom::BoolAttribute::kModal)) + if (q->GetBoolAttribute(ax::mojom::BoolAttribute::kModal)) state.modal = true; - if (HasBoolAttribute(ax::mojom::BoolAttribute::kSelected)) { + if (q->HasBoolAttribute(ax::mojom::BoolAttribute::kSelected)) { state.selectable = true; - state.selected = GetBoolAttribute(ax::mojom::BoolAttribute::kSelected); + state.selected = q->GetBoolAttribute(ax::mojom::BoolAttribute::kSelected); } - if (HasIntAttribute(ax::mojom::IntAttribute::kCheckedState)) { + if (q->HasIntAttribute(ax::mojom::IntAttribute::kCheckedState)) { state.checkable = true; const ax::mojom::CheckedState checkedState = - static_cast<ax::mojom::CheckedState>(GetIntAttribute(ax::mojom::IntAttribute::kCheckedState)); + static_cast<ax::mojom::CheckedState>(q->GetIntAttribute(ax::mojom::IntAttribute::kCheckedState)); switch (checkedState) { case ax::mojom::CheckedState::kTrue: - if (GetRole() == ax::mojom::Role::kToggleButton) + if (q->GetRole() == ax::mojom::Role::kToggleButton) state.pressed = true; else state.checked = true; @@ -613,8 +782,8 @@ QAccessible::State BrowserAccessibilityQt::state() const break; } } - if (HasIntAttribute(ax::mojom::IntAttribute::kRestriction)) { - const ax::mojom::Restriction restriction = static_cast<ax::mojom::Restriction>(GetIntAttribute(ax::mojom::IntAttribute::kRestriction)); + if (q->HasIntAttribute(ax::mojom::IntAttribute::kRestriction)) { + const ax::mojom::Restriction restriction = static_cast<ax::mojom::Restriction>(q->GetIntAttribute(ax::mojom::IntAttribute::kRestriction)); switch (restriction) { case ax::mojom::Restriction::kReadOnly: state.readOnly = true; @@ -626,8 +795,8 @@ QAccessible::State BrowserAccessibilityQt::state() const break; } } - if (HasIntAttribute(ax::mojom::IntAttribute::kHasPopup)) { - const ax::mojom::HasPopup hasPopup = static_cast<ax::mojom::HasPopup>(GetIntAttribute(ax::mojom::IntAttribute::kHasPopup)); + if (q->HasIntAttribute(ax::mojom::IntAttribute::kHasPopup)) { + const ax::mojom::HasPopup hasPopup = static_cast<ax::mojom::HasPopup>(q->GetIntAttribute(ax::mojom::IntAttribute::kHasPopup)); switch (hasPopup) { case ax::mojom::HasPopup::kFalse: break; @@ -644,356 +813,370 @@ QAccessible::State BrowserAccessibilityQt::state() const return state; } -// Qt does not reference count accessibles -void BrowserAccessibilityQt::NativeAddReference() -{ -} - -// there is no reference counting, but BrowserAccessibility::Destroy -// calls this (and that is the only place in the chromium sources, -// so we can safely use it to dispose of ourselves here -// (the default implementation of this function just contains a "delete this") -void BrowserAccessibilityQt::NativeReleaseReference() -{ - // delete this - QAccessible::Id interfaceId = QAccessible::uniqueId(this); - QAccessible::deleteAccessibleInterface(interfaceId); -} - -QStringList BrowserAccessibilityQt::actionNames() const +QStringList BrowserAccessibilityInterface::actionNames() const { QStringList actions; - if (HasState(ax::mojom::State::kFocusable)) + if (q->HasState(ax::mojom::State::kFocusable)) actions << QAccessibleActionInterface::setFocusAction(); return actions; } -void BrowserAccessibilityQt::doAction(const QString &actionName) +void BrowserAccessibilityInterface::doAction(const QString &actionName) { if (actionName == QAccessibleActionInterface::setFocusAction()) - manager()->SetFocus(*this); + q->manager()->SetFocus(*q); } -QStringList BrowserAccessibilityQt::keyBindingsForAction(const QString &actionName) const +QStringList +BrowserAccessibilityInterface::keyBindingsForAction(const QString & /*actionName*/) const { QT_NOT_YET_IMPLEMENTED return QStringList(); } -void BrowserAccessibilityQt::addSelection(int startOffset, int endOffset) +void BrowserAccessibilityInterface::addSelection(int startOffset, int endOffset) { - manager()->SetSelection(AXPlatformRange(CreatePositionAt(startOffset), CreatePositionAt(endOffset))); + q->manager()->SetSelection(content::BrowserAccessibility::AXRange(q->CreatePositionAt(startOffset), q->CreatePositionAt(endOffset))); } -QString BrowserAccessibilityQt::attributes(int offset, int *startOffset, int *endOffset) const +QString BrowserAccessibilityInterface::attributes(int offset, int *startOffset, int *endOffset) const { *startOffset = offset; *endOffset = offset; return QString(); } -int BrowserAccessibilityQt::cursorPosition() const +int BrowserAccessibilityInterface::cursorPosition() const { int pos = 0; - GetIntAttribute(ax::mojom::IntAttribute::kTextSelStart, &pos); + q->GetIntAttribute(ax::mojom::IntAttribute::kTextSelStart, &pos); return pos; } -QRect BrowserAccessibilityQt::characterRect(int /*offset*/) const +QRect BrowserAccessibilityInterface::characterRect(int /*offset*/) const { QT_NOT_YET_IMPLEMENTED return QRect(); } -int BrowserAccessibilityQt::selectionCount() const +int BrowserAccessibilityInterface::selectionCount() const { int start = 0; int end = 0; - GetIntAttribute(ax::mojom::IntAttribute::kTextSelStart, &start); - GetIntAttribute(ax::mojom::IntAttribute::kTextSelEnd, &end); + q->GetIntAttribute(ax::mojom::IntAttribute::kTextSelStart, &start); + q->GetIntAttribute(ax::mojom::IntAttribute::kTextSelEnd, &end); if (start != end) return 1; return 0; } -int BrowserAccessibilityQt::offsetAtPoint(const QPoint &/*point*/) const +int BrowserAccessibilityInterface::offsetAtPoint(const QPoint &/*point*/) const { QT_NOT_YET_IMPLEMENTED return 0; } -void BrowserAccessibilityQt::selection(int selectionIndex, int *startOffset, int *endOffset) const +void BrowserAccessibilityInterface::selection(int selectionIndex, int *startOffset, int *endOffset) const { Q_ASSERT(startOffset && endOffset); *startOffset = 0; *endOffset = 0; if (selectionIndex != 0) return; - GetIntAttribute(ax::mojom::IntAttribute::kTextSelStart, startOffset); - GetIntAttribute(ax::mojom::IntAttribute::kTextSelEnd, endOffset); + q->GetIntAttribute(ax::mojom::IntAttribute::kTextSelStart, startOffset); + q->GetIntAttribute(ax::mojom::IntAttribute::kTextSelEnd, endOffset); } -QString BrowserAccessibilityQt::text(int startOffset, int endOffset) const +QString BrowserAccessibilityInterface::text(int startOffset, int endOffset) const { return text(QAccessible::Value).mid(startOffset, endOffset - startOffset); } -void BrowserAccessibilityQt::removeSelection(int selectionIndex) +void BrowserAccessibilityInterface::removeSelection(int selectionIndex) { - manager()->SetSelection(AXPlatformRange(CreatePositionAt(0), CreatePositionAt(0))); + q->manager()->SetSelection(content::BrowserAccessibility::AXRange(q->CreatePositionAt(0), q->CreatePositionAt(0))); } -void BrowserAccessibilityQt::setCursorPosition(int position) +void BrowserAccessibilityInterface::setCursorPosition(int position) { - manager()->SetSelection(AXPlatformRange(CreatePositionAt(position), CreatePositionAt(position))); + q->manager()->SetSelection(content::BrowserAccessibility::AXRange(q->CreatePositionAt(position), q->CreatePositionAt(position))); } -void BrowserAccessibilityQt::setSelection(int selectionIndex, int startOffset, int endOffset) +void BrowserAccessibilityInterface::setSelection(int selectionIndex, int startOffset, int endOffset) { if (selectionIndex != 0) return; - manager()->SetSelection(AXPlatformRange(CreatePositionAt(startOffset), CreatePositionAt(endOffset))); + q->manager()->SetSelection(content::BrowserAccessibility::AXRange(q->CreatePositionAt(startOffset), q->CreatePositionAt(endOffset))); } -int BrowserAccessibilityQt::characterCount() const +int BrowserAccessibilityInterface::characterCount() const { return text(QAccessible::Value).length(); } -void BrowserAccessibilityQt::scrollToSubstring(int startIndex, int endIndex) +void BrowserAccessibilityInterface::scrollToSubstring(int startIndex, int endIndex) { int count = characterCount(); if (startIndex < endIndex && endIndex < count) - manager()->ScrollToMakeVisible(*this, - GetRootFrameHypertextRangeBoundsRect( - startIndex, - endIndex - startIndex, - ui::AXClippingBehavior::kUnclipped)); + q->manager()->ScrollToMakeVisible(*q, + q->GetRootFrameHypertextRangeBoundsRect( + startIndex, + endIndex - startIndex, + ui::AXClippingBehavior::kUnclipped)); } -QVariant BrowserAccessibilityQt::currentValue() const +QVariant BrowserAccessibilityInterface::currentValue() const { QVariant result; float value; - if (GetFloatAttribute(ax::mojom::FloatAttribute::kValueForRange, &value)) { + if (q->GetFloatAttribute(ax::mojom::FloatAttribute::kValueForRange, &value)) { result = (double) value; } return result; } -void BrowserAccessibilityQt::setCurrentValue(const QVariant &value) +void BrowserAccessibilityInterface::setCurrentValue(const QVariant &value) { // not yet implemented anywhere in blink QT_NOT_YET_IMPLEMENTED } -QVariant BrowserAccessibilityQt::maximumValue() const +QVariant BrowserAccessibilityInterface::maximumValue() const { QVariant result; float value; - if (GetFloatAttribute(ax::mojom::FloatAttribute::kMaxValueForRange, &value)) { + if (q->GetFloatAttribute(ax::mojom::FloatAttribute::kMaxValueForRange, &value)) { result = (double) value; } return result; } -QVariant BrowserAccessibilityQt::minimumValue() const +QVariant BrowserAccessibilityInterface::minimumValue() const { QVariant result; float value; - if (GetFloatAttribute(ax::mojom::FloatAttribute::kMinValueForRange, &value)) { + if (q->GetFloatAttribute(ax::mojom::FloatAttribute::kMinValueForRange, &value)) { result = (double) value; } return result; } -QVariant BrowserAccessibilityQt::minimumStepSize() const +QVariant BrowserAccessibilityInterface::minimumStepSize() const { QVariant result; float value; - if (GetFloatAttribute(ax::mojom::FloatAttribute::kStepValueForRange, &value)) { + if (q->GetFloatAttribute(ax::mojom::FloatAttribute::kStepValueForRange, &value)) { result = (double) value; } return result; } -QAccessibleInterface *BrowserAccessibilityQt::cellAt(int row, int column) const +QAccessibleInterface *BrowserAccessibilityInterface::cellAt(int row, int column) const { int columns = 0; int rows = 0; - if (!GetIntAttribute(ax::mojom::IntAttribute::kTableColumnCount, &columns) || - !GetIntAttribute(ax::mojom::IntAttribute::kTableRowCount, &rows) || - columns <= 0 || - rows <= 0) { - return 0; + if (!q->GetIntAttribute(ax::mojom::IntAttribute::kTableColumnCount, &columns) + || !q->GetIntAttribute(ax::mojom::IntAttribute::kTableRowCount, &rows) + || columns <= 0 + || rows <= 0) { + return nullptr; } if (row < 0 || row >= rows || column < 0 || column >= columns) - return 0; + return nullptr; - base::Optional<int> cell_id = GetCellId(row, column); - BrowserAccessibility* cell = cell_id ? manager()->GetFromID(*cell_id) : nullptr; - if (cell) { - QAccessibleInterface *iface = static_cast<BrowserAccessibilityQt*>(cell); - return iface; - } + absl::optional<int> cell_id = q->GetCellId(row, column); + content::BrowserAccessibility *cell = cell_id ? q->manager()->GetFromID(*cell_id) : nullptr; + if (cell) + return content::toQAccessibleInterface(cell); return nullptr; } -QAccessibleInterface *BrowserAccessibilityQt::caption() const +QAccessibleInterface *BrowserAccessibilityInterface::caption() const { return nullptr; } -QAccessibleInterface *BrowserAccessibilityQt::summary() const +QAccessibleInterface *BrowserAccessibilityInterface::summary() const { return nullptr; } -QString BrowserAccessibilityQt::columnDescription(int column) const +QString BrowserAccessibilityInterface::columnDescription(int column) const { return QString(); } -QString BrowserAccessibilityQt::rowDescription(int row) const +QString BrowserAccessibilityInterface::rowDescription(int row) const { return QString(); } -int BrowserAccessibilityQt::columnCount() const +int BrowserAccessibilityInterface::columnCount() const { int columns = 0; - if (GetIntAttribute(ax::mojom::IntAttribute::kTableColumnCount, &columns)) + if (q->GetIntAttribute(ax::mojom::IntAttribute::kTableColumnCount, &columns)) return columns; - return 0; } -int BrowserAccessibilityQt::rowCount() const +int BrowserAccessibilityInterface::rowCount() const { int rows = 0; - if (GetIntAttribute(ax::mojom::IntAttribute::kTableRowCount, &rows)) - return rows; + if (q->GetIntAttribute(ax::mojom::IntAttribute::kTableRowCount, &rows)) + return rows; return 0; } -int BrowserAccessibilityQt::selectedCellCount() const +int BrowserAccessibilityInterface::selectedCellCount() const { return 0; } -int BrowserAccessibilityQt::selectedColumnCount() const +int BrowserAccessibilityInterface::selectedColumnCount() const { return 0; } -int BrowserAccessibilityQt::selectedRowCount() const +int BrowserAccessibilityInterface::selectedRowCount() const { return 0; } -QList<QAccessibleInterface *> BrowserAccessibilityQt::selectedCells() const +QList<QAccessibleInterface *> BrowserAccessibilityInterface::selectedCells() const { return QList<QAccessibleInterface *>(); } -QList<int> BrowserAccessibilityQt::selectedColumns() const +QList<int> BrowserAccessibilityInterface::selectedColumns() const { return QList<int>(); } -QList<int> BrowserAccessibilityQt::selectedRows() const +QList<int> BrowserAccessibilityInterface::selectedRows() const { return QList<int>(); } -bool BrowserAccessibilityQt::isColumnSelected(int /*column*/) const +bool BrowserAccessibilityInterface::isColumnSelected(int /*column*/) const { return false; } -bool BrowserAccessibilityQt::isRowSelected(int /*row*/) const +bool BrowserAccessibilityInterface::isRowSelected(int /*row*/) const { return false; } -bool BrowserAccessibilityQt::selectRow(int /*row*/) +bool BrowserAccessibilityInterface::selectRow(int /*row*/) { return false; } -bool BrowserAccessibilityQt::selectColumn(int /*column*/) +bool BrowserAccessibilityInterface::selectColumn(int /*column*/) { return false; } -bool BrowserAccessibilityQt::unselectRow(int /*row*/) +bool BrowserAccessibilityInterface::unselectRow(int /*row*/) { return false; } -bool BrowserAccessibilityQt::unselectColumn(int /*column*/) +bool BrowserAccessibilityInterface::unselectColumn(int /*column*/) { return false; } -int BrowserAccessibilityQt::columnExtent() const +int BrowserAccessibilityInterface::columnExtent() const { return 1; } -QList<QAccessibleInterface *> BrowserAccessibilityQt::columnHeaderCells() const +QList<QAccessibleInterface *> BrowserAccessibilityInterface::columnHeaderCells() const { return QList<QAccessibleInterface*>(); } -int BrowserAccessibilityQt::columnIndex() const +int BrowserAccessibilityInterface::columnIndex() const { int column = 0; - if (GetIntAttribute(ax::mojom::IntAttribute::kTableCellColumnIndex, &column)) - return column; + if (q->GetIntAttribute(ax::mojom::IntAttribute::kTableCellColumnIndex, &column)) + return column; return 0; } -int BrowserAccessibilityQt::rowExtent() const +int BrowserAccessibilityInterface::rowExtent() const { return 1; } -QList<QAccessibleInterface *> BrowserAccessibilityQt::rowHeaderCells() const +QList<QAccessibleInterface *> BrowserAccessibilityInterface::rowHeaderCells() const { return QList<QAccessibleInterface*>(); } -int BrowserAccessibilityQt::rowIndex() const +int BrowserAccessibilityInterface::rowIndex() const { int row = 0; - if (GetIntAttribute(ax::mojom::IntAttribute::kTableCellRowIndex, &row)) - return row; + if (q->GetIntAttribute(ax::mojom::IntAttribute::kTableCellRowIndex, &row)) + return row; return 0; } -bool BrowserAccessibilityQt::isSelected() const +bool BrowserAccessibilityInterface::isSelected() const { return false; } -QAccessibleInterface *BrowserAccessibilityQt::table() const +content::BrowserAccessibility *BrowserAccessibilityInterface::findTable() const { - BrowserAccessibility* find_table = PlatformGetParent(); - while (find_table && find_table->GetRole() != ax::mojom::Role::kTable) - find_table = find_table->PlatformGetParent(); - if (!find_table) - return 0; - return static_cast<BrowserAccessibilityQt*>(find_table); + content::BrowserAccessibility *parent = q->PlatformGetParent(); + while (parent && parent->GetRole() != ax::mojom::Role::kTable) + parent = parent->PlatformGetParent(); + + return parent; } -void BrowserAccessibilityQt::modelChange(QAccessibleTableModelChangeEvent *) +QAccessibleInterface *BrowserAccessibilityInterface::table() const { + content::BrowserAccessibility *table = findTable(); + Q_ASSERT(table); + return content::toQAccessibleInterface(table); +} +void BrowserAccessibilityInterface::modelChange(QAccessibleTableModelChangeEvent *) +{ } -} // namespace content +} // namespace QtWebEngineCore #endif // QT_CONFIG(accessibility) +namespace content { + +// static +std::unique_ptr<BrowserAccessibility> BrowserAccessibility::Create(BrowserAccessibilityManager *man, ui::AXNode *node) +{ +#if QT_CONFIG(accessibility) + return std::unique_ptr<BrowserAccessibility>(new QtWebEngineCore::BrowserAccessibilityQt(man, node)); +#else + Q_UNUSED(man); + Q_UNUSED(node); + return nullptr; +#endif // #if QT_CONFIG(accessibility) +} + +#if QT_CONFIG(accessibility) +QAccessibleInterface *toQAccessibleInterface(BrowserAccessibility *obj) +{ + return static_cast<QtWebEngineCore::BrowserAccessibilityQt *>(obj)->interface; +} + +const QAccessibleInterface *toQAccessibleInterface(const BrowserAccessibility *obj) +{ + return static_cast<const QtWebEngineCore::BrowserAccessibilityQt *>(obj)->interface; +} +#endif // #if QT_CONFIG(accessibility) + +} // namespace content |