示例#1
0
    def _normalizeControlField(self, attrs):
        stdName = attrs.get("acrobat::stdname", "")
        try:
            role, level = normalizeStdName(stdName)
        except LookupError:
            role, level = None, None

        if not role:
            role = IAccessibleHandler.NVDARoleFromAttr(
                attrs['IAccessible::role'])
        states = IAccessibleHandler.getStatesSetFromIAccessibleAttrs(attrs)
        role, states = controlTypes.transformRoleStates(role, states)

        if (role == controlTypes.Role.EDITABLETEXT and states.issuperset({
                controlTypes.State.READONLY, controlTypes.State.FOCUSABLE,
                controlTypes.State.LINKED
        })):
            # HACK: Acrobat sets focus states on text nodes beneath links,
            # making them appear as read only editable text fields.
            states.difference_update(
                {controlTypes.State.FOCUSABLE, controlTypes.State.FOCUSED})

        attrs['role'] = role
        attrs['states'] = states
        if level:
            attrs["level"] = level
        return super(AdobeAcrobat_TextInfo, self)._normalizeControlField(attrs)
示例#2
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	def _normalizeControlField(self,attrs):
		role=controlTypes.Role.STATICTEXT
		states = IAccessibleHandler.getStatesSetFromIAccessibleAttrs(attrs)
		if controlTypes.State.LINKED in states:
			role=controlTypes.Role.LINK
		attrs['role']=role
		attrs['states']=states
		return super(LotusNotesRichText_TextInfo, self)._normalizeControlField(attrs)
示例#3
0
文件: webKit.py 项目: zstanecic/nvda
	def _normalizeControlField(self, attrs: textInfos.ControlField):
		accRole=attrs['IAccessible::role']
		role = level = None
		if accRole.isdigit():
			accRole = int(accRole)
		else:
			if "H1" <= accRole <= "H6":
				role = controlTypes.Role.HEADING
				level = int(accRole[1])
			else:
				accRole = accRole.lower()

		if not role:
			role = IAccessibleHandler.IAccessibleRolesToNVDARoles.get(accRole, controlTypes.Role.UNKNOWN)
		states = IAccessibleHandler.getStatesSetFromIAccessibleAttrs(attrs)
		role, states = controlTypes.transformRoleStates(role, states)

		attrs["role"] = role
		attrs["states"] = states
		if level:
			attrs["level"] = level
		return super(WebKit_TextInfo, self)._normalizeControlField(attrs)
示例#4
0
文件: MSHTML.py 项目: hss16/nvda
    def _normalizeControlField(self,
                               attrs: textInfos.ControlField):  # noqa: C901
        level = None

        isCurrent = self._getIsCurrentAttribute(attrs)
        if isCurrent != controlTypes.IsCurrent.NO:
            attrs['current'] = isCurrent

        placeholder = self._getPlaceholderAttribute(
            attrs, 'HTMLAttrib::aria-placeholder')
        if placeholder:
            attrs['placeholder'] = placeholder
        nodeName = attrs.get('IHTMLDOMNode::nodeName', "")
        roleAttrib = attrs.get("HTMLAttrib::role", "")
        ariaRoles = [ar for ar in roleAttrib.split(" ") if ar]
        #choose role
        #Priority is aria role -> HTML tag name -> IAccessible role
        role = next((aria.ariaRolesToNVDARoles[ar]
                     for ar in ariaRoles if ar in aria.ariaRolesToNVDARoles),
                    controlTypes.Role.UNKNOWN)
        if role == controlTypes.Role.UNKNOWN and nodeName:
            role = NVDAObjects.IAccessible.MSHTML.nodeNamesToNVDARoles.get(
                nodeName, controlTypes.Role.UNKNOWN)

        if role == controlTypes.Role.UNKNOWN:
            role = IAccessibleHandler.NVDARoleFromAttr(
                attrs.get('IAccessible::role'))

        roleText = attrs.get('HTMLAttrib::aria-roledescription')
        if roleText:
            attrs['roleText'] = roleText

        states = IAccessibleHandler.getStatesSetFromIAccessibleAttrs(attrs)
        role, states = controlTypes.transformRoleStates(role, states)

        if attrs.get('HTMLAttrib::longdesc'):
            states.add(controlTypes.State.HASLONGDESC)
        #IE exposes destination anchors as links, this is wrong
        if nodeName == "A" and role == controlTypes.Role.LINK and controlTypes.State.LINKED not in states:
            role = controlTypes.Role.TEXTFRAME
        if 'IHTMLElement::isContentEditable' in attrs:
            states.add(controlTypes.State.EDITABLE)
        if 'HTMLAttrib::onclick' in attrs or 'HTMLAttrib::onmousedown' in attrs or 'HTMLAttrib::onmouseup' in attrs:
            states.add(controlTypes.State.CLICKABLE)
        if 'HTMLAttrib::required' in attrs or attrs.get(
                'HTMLAttrib::aria-required', 'false') == 'true':
            states.add(controlTypes.State.REQUIRED)
        description = None
        ariaDescribedBy = attrs.get('HTMLAttrib::aria-describedby')
        if ariaDescribedBy:
            ariaDescribedByIds = ariaDescribedBy.split()
            description = ""
            for ariaDescribedById in ariaDescribedByIds:
                descNode = None
                try:
                    descNode = self.obj.rootNVDAObject.HTMLNode.document.getElementById(
                        ariaDescribedById)
                except (COMError, NameError):
                    descNode = None
                if not descNode:
                    try:
                        descNode = NVDAObjects.IAccessible.MSHTML.locateHTMLElementByID(
                            self.obj.rootNVDAObject.HTMLNode.document,
                            ariaDescribedById)
                    except (COMError, NameError):
                        descNode = None
                if descNode:
                    try:
                        description = description + " " + self.obj.makeTextInfo(
                            NVDAObjects.IAccessible.MSHTML.MSHTML(
                                HTMLNode=descNode)).text
                    except:
                        pass
        ariaSort = attrs.get('HTMLAttrib::aria-sort')
        state = aria.ariaSortValuesToNVDAStates.get(ariaSort)
        if state is not None:
            states.add(state)
        ariaSelected = attrs.get('HTMLAttrib::aria-selected')
        if ariaSelected == "true":
            states.add(controlTypes.State.SELECTED)
        elif ariaSelected == "false":
            states.discard(controlTypes.State.SELECTED)
        ariaExpanded = attrs.get('HTMLAttrib::aria-expanded')
        if ariaExpanded == "true":
            states.add(controlTypes.State.EXPANDED)
        elif ariaExpanded == "false":
            states.add(controlTypes.State.COLLAPSED)
        if attrs.get('HTMLAttrib::aria-invalid', 'false') == 'true':
            states.add(controlTypes.State.INVALID_ENTRY)
        if attrs.get('HTMLAttrib::aria-multiline', 'false') == 'true':
            states.add(controlTypes.State.MULTILINE)
        if attrs.get('HTMLAttrib::aria-dropeffect', 'none') != 'none':
            states.add(controlTypes.State.DROPTARGET)
        ariaGrabbed = attrs.get('HTMLAttrib::aria-grabbed', None)
        if ariaGrabbed == 'false':
            states.add(controlTypes.State.DRAGGABLE)
        elif ariaGrabbed == 'true':
            states.add(controlTypes.State.DRAGGING)
        if nodeName == "TEXTAREA":
            states.add(controlTypes.State.MULTILINE)
        if "H1" <= nodeName <= "H6":
            level = nodeName[1:]
        if nodeName in ("UL", "OL", "DL"):
            states.add(controlTypes.State.READONLY)
        if role == controlTypes.Role.UNKNOWN:
            role = controlTypes.Role.TEXTFRAME
        if role == controlTypes.Role.GRAPHIC:
            # MSHTML puts the unavailable state on all graphics when the showing of graphics is disabled.
            # This is rather annoying and irrelevant to our users, so discard it.
            states.discard(controlTypes.State.UNAVAILABLE)
        lRole = aria.htmlNodeNameToAriaRoles.get(nodeName.lower())
        if lRole:
            ariaRoles.append(lRole)
        # If the first role is a landmark role, use it.
        landmark = ariaRoles[
            0] if ariaRoles and ariaRoles[0] in aria.landmarkRoles else None
        ariaLevel = attrs.get('HTMLAttrib::aria-level', None)
        ariaLevel = int(ariaLevel) if ariaLevel is not None else None
        if ariaLevel:
            level = ariaLevel
        if role:
            attrs['role'] = role
        attrs['states'] = states
        if level:
            attrs["level"] = level
        if landmark:
            attrs["landmark"] = landmark
        if description:
            attrs["description"] = description
        return super(MSHTMLTextInfo, self)._normalizeControlField(attrs)
示例#5
0
    def _normalizeControlField(self, attrs):  # noqa: C901
        for attr in ("table-rownumber-presentational",
                     "table-columnnumber-presentational",
                     "table-rowcount-presentational",
                     "table-columncount-presentational"):
            attrVal = attrs.get(attr)
            if attrVal is not None and attrVal.lstrip('-').isdigit():
                attrs[attr] = int(attrVal)
            else:
                attrs[attr] = None

        attrs["_description-from"] = self._calculateDescriptionFrom(attrs)
        attrs.update(_getNormalizedCurrentAttrs(attrs))

        placeholder = self._getPlaceholderAttribute(
            attrs, "IAccessible2::attribute_placeholder")
        if placeholder is not None:
            attrs['placeholder'] = placeholder

        role = IAccessibleHandler.NVDARoleFromAttr(attrs['IAccessible::role'])
        if attrs.get('IAccessible2::attribute_tag',
                     "").lower() == "blockquote":
            role = controlTypes.Role.BLOCKQUOTE

        states = IAccessibleHandler.getStatesSetFromIAccessibleAttrs(attrs)
        states |= IAccessibleHandler.getStatesSetFromIAccessible2Attrs(attrs)
        role, states = controlTypes.transformRoleStates(role, states)

        if role == controlTypes.Role.EDITABLETEXT and not (
                controlTypes.State.FOCUSABLE in states
                or controlTypes.State.UNAVAILABLE in states
                or controlTypes.State.EDITABLE in states):
            # This is a text leaf.
            # See NVDAObjects.Iaccessible.mozilla.findOverlayClasses for an explanation of these checks.
            role = controlTypes.Role.STATICTEXT
        if attrs.get("IAccessibleAction_showlongdesc") is not None:
            states.add(controlTypes.State.HASLONGDESC)
        if "IAccessibleAction_click" in attrs:
            states.add(controlTypes.State.CLICKABLE)
        grabbed = attrs.get("IAccessible2::attribute_grabbed")
        if grabbed == "false":
            states.add(controlTypes.State.DRAGGABLE)
        elif grabbed == "true":
            states.add(controlTypes.State.DRAGGING)
        sorted = attrs.get("IAccessible2::attribute_sort")
        if sorted == "ascending":
            states.add(controlTypes.State.SORTED_ASCENDING)
        elif sorted == "descending":
            states.add(controlTypes.State.SORTED_DESCENDING)
        elif sorted == "other":
            states.add(controlTypes.State.SORTED)
        roleText = attrs.get("IAccessible2::attribute_roledescription")
        if roleText:
            attrs['roleText'] = roleText
        if attrs.get("IAccessible2::attribute_dropeffect", "none") != "none":
            states.add(controlTypes.State.DROPTARGET)
        if role == controlTypes.Role.LINK and controlTypes.State.LINKED not in states:
            # This is a named link destination, not a link which can be activated. The user doesn't care about these.
            role = controlTypes.Role.TEXTFRAME
        level = attrs.get('IAccessible2::attribute_level', "")
        xmlRoles = attrs.get("IAccessible2::attribute_xml-roles",
                             "").split(" ")
        landmark = next((xr for xr in xmlRoles if xr in aria.landmarkRoles),
                        None)
        if landmark and role != controlTypes.Role.LANDMARK and landmark != xmlRoles[
                0]:
            # Ignore the landmark role
            landmark = None
        if role == controlTypes.Role.DOCUMENT and xmlRoles[0] == "article":
            role = controlTypes.Role.ARTICLE
        elif role == controlTypes.Role.GROUPING and xmlRoles[0] == "figure":
            role = controlTypes.Role.FIGURE
        elif role in (controlTypes.Role.LANDMARK,
                      controlTypes.Role.SECTION) and xmlRoles[0] == "region":
            role = controlTypes.Role.REGION
        elif xmlRoles[0] == "switch":
            # role="switch" gets mapped to IA2_ROLE_TOGGLE_BUTTON, but it uses the
            # checked state instead of pressed. The simplest way to deal with this
            # identity crisis is to map it to a check box.
            role = controlTypes.Role.CHECKBOX
            states.discard(controlTypes.State.PRESSED)
        attrs['role'] = role
        attrs['states'] = states
        if level != "" and level is not None:
            attrs['level'] = level
        if landmark:
            attrs["landmark"] = landmark
        return super(Gecko_ia2_TextInfo, self)._normalizeControlField(attrs)