Add accessible roles for web document, paragraph and section

These roles seem wide-spread enough that it makes sense to add them.
QtWebEngine will use them.

Change-Id: I9c2d6ab23ada0607078bcd407a72ecae9f87eeea
Reviewed-by: Andras Becsi <andras.becsi@digia.com>

src/gui/accessible/qaccessible.cpp

@@ -344,6 +344,7 @@ QT_BEGIN_NAMESPACE
     \value NoRole           The object has no role. This usually indicates an invalid object.
     \value PageTab          A page tab that the user can select to switch to a different page in a dialog.
     \value PageTabList      A list of page tabs.
+    \value Paragraph        A paragraph of text (usually found in documents).
     \value Pane             A generic container.
     \value PopupMenu        A menu which lists options that the user can select to perform an action.
     \value ProgressBar      The object displays the progress of an operation in progress.
@@ -353,6 +354,7 @@ QT_BEGIN_NAMESPACE
     \value Row              A row of cells, usually within a table.
     \value RowHeader        A header for a row of data.
     \value ScrollBar        A scroll bar, which allows the user to scroll the visible area.
+    \value Section          A section (in a document).
     \value Separator        A separator that divides space into logical areas.
     \value Slider           A slider that allows the user to select a value within a given range.
     \value Sound            An object that represents a sound.
@@ -368,6 +370,7 @@ QT_BEGIN_NAMESPACE
     \value Tree             A list of items in a tree structure.
     \value TreeItem         An item in a tree structure.
     \value UserRole         The first value to be used for user defined roles.
+    \value WebDocument      HTML document, usually in a browser.
     \value Whitespace       Blank space between other objects.
     \value Window           A top level window.
 */

src/gui/accessible/qaccessible.h

@@ -296,6 +296,9 @@ public:
         LayeredPane    = 0x00000080,
         Terminal       = 0x00000081,
         Desktop        = 0x00000082,
+        Paragraph      = 0x00000083,
+        WebDocument    = 0x00000084,
+        Section        = 0x00000085,
         UserRole       = 0x0000ffff
     };
 

src/platformsupport/linuxaccessibility/bridge.cpp

@@ -244,6 +244,12 @@ static RoleMapping map[] = {
     //: 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::UserRole, ATSPI_ROLE_UNKNOWN, QT_TRANSLATE_NOOP("QSpiAccessibleBridge", "unknown") }
 };
 

src/plugins/platforms/cocoa/qcocoaaccessibility.mm

@@ -149,6 +149,9 @@ static void populateRoleMap()
     roleMap[QAccessible::ListItem] = NSAccessibilityStaticTextRole;
     roleMap[QAccessible::Cell] = NSAccessibilityStaticTextRole;
     roleMap[QAccessible::Client] = NSAccessibilityGroupRole;
+    roleMap[QAccessible::Paragraph] = NSAccessibilityGroupRole;
+    roleMap[QAccessible::Section] = NSAccessibilityGroupRole;
+    roleMap[QAccessible::WebDocument] = NSAccessibilityGroupRole;
 }
 
 /*

src/plugins/platforms/windows/accessible/iaccessible2.cpp

@@ -358,6 +358,8 @@ HRESULT STDMETHODCALLTYPE QWindowsIA2Accessible::role(long *ia2role)
     case QAccessible::LayeredPane: r = IA2_ROLE_LAYERED_PANE; break;
     case QAccessible::Terminal: r = IA2_ROLE_TERMINAL; break;
     case QAccessible::Desktop: r = IA2_ROLE_DESKTOP_PANE; break;
+    case QAccessible::Paragraph: r = IA2_ROLE_PARAGRAPH; break;
+    case QAccessible::Section: r = IA2_ROLE_SECTION; break;
     default: break;
     }
 

src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp

@@ -935,6 +935,8 @@ HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accRole(VARIANT varID, VAR
             // does not support IAccessible2, since it should prefer IA2::role() then.
             if (role == QAccessible::LayeredPane)
                 role = QAccessible::Pane;
+            else if (role == QAccessible::WebDocument)
+                role = QAccessible::Document;
             else
                 role = QAccessible::Client;
         }