@progress/wct-a11y-spec/dist/design-system/PDF Viewer.json

Contains accessibility and keyboard navigation specification of Telerik and Kendo web components.

[
    {
        "h2": "Accessibility Support"
    },
    {
        "p": "Out of the box, the Telerik and Kendo UI PDF Viewer provides extensive accessibility support and enables users with disabilities to acquire complete control over its features."
    },
    {
        "p": "The PDF Viewer is compliant with the [Web Content Accessibility Guidelines (WCAG) 2.2 standards](https://www.w3.org/TR/WCAG22/) and [Section 508](http://www.section508.gov/) requirements, follows the [Web Accessibility Initiative - Accessible Rich Internet Applications (WAI-ARIA)](https://www.w3.org/WAI/ARIA/apg/) best practices for implementing the [keyboard navigation](#keyboard-navigation) for its `component` role, provides options for [managing its focus](#managing-the-focus) and is tested against the most popular [screen readers](#screen-readers)."
    },
    {
        "h3": "WAI-ARIA"
    },
    {
        "p": "This section lists the selectors, attributes, and behavior patterns supported by the component and its composite elements, if any."
    },
    {
        "p": "The PDF Viewer component contains two inner elements - a toolbar and a page container."
    },
    {
        "link": {
            "title": "ToolBar accessibility specification",
            "source": "{{toolbar_a11y_link}}"
        }
    },
    {
        "table": {
            "headers": [
                "Selector",
                "Attribute",
                "Usage"
            ],
            "rows": [
                {
                    "Selector": "`.k-pdfviewer .k-canvas`",
                    "Attribute": "`tabindex=0`",
                    "Usage": "Defines the focusable page container element."
                },
                {
                    "Selector": "",
                    "Attribute": "`aria-label`",
                    "Usage": "Describes the purpose of the focusable container. Translatable message."
                },
                {
                    "Selector": "",
                    "Attribute": "`role=document`",
                    "Usage": "Defines that content should be evaluated in reader mode by assistive technologies."
                },
                {
                    "Selector": "`.k-pdfviewer .k-toolbar .k-button:has(.k-svg-i-search, .k-i-search)`",
                    "Attribute": "`aria-haspopup=dialog`",
                    "Usage": "Describes that the Search tool button opens a dialog element."
                },
                {
                    "Selector": "`.k-pdfviewer .k-canvas .k-search-panel`",
                    "Attribute": "`role=dialog`",
                    "Usage": "Describes the role of the Search panel."
                },
                {
                    "Selector": "",
                    "Attribute": "`aria-label`",
                    "Usage": "Translatable message, same label as the one, used to describe the Toolbar Search tool."
                }
            ]
        }
    },
    {
        "h3": "Managing the Focus"
    },
    {
        "p": "The PDF Viewer integrates the **Toolbar** component and inherits all shortcuts from it. So, the component has two tab stops - one the toolbar and one the page container."
    },
    {
        "h3": "Annotations Floating Toolbar"
    },
    {
        "p": "The Floating Toolbar in the PDFViewer annotations option implements the same keyboard navigation pattern as the **Toolbar** component - focus shifts to the first actionable button, allowing the user to navigate through the options using arrow keys. The `Esc` key is also typically used to close the floating toolbar, as it's a familiar pattern for users to exit pop-ups or overlay elements."
    },
    {
        "h3": "Keyboard Shortcuts"
    },
    {
        "h4": "Page Container"
    },
    {
        "p": "The page container implements all default shortcuts for a scrollable region."
    },
    {
        "table": {
            "headers": [
                "Shortcut",
                "Behavior"
            ],
            "rows": [
                {
                    "Shortcut": "`Up Arrow`",
                    "Behavior": "Scrolls up the container."
                },
                {
                    "Shortcut": "`Down Arrow`",
                    "Behavior": "Scrolls down the container."
                },
                {
                    "Shortcut": "`PageUp`",
                    "Behavior": "Scrolls up the container."
                },
                {
                    "Shortcut": "`PageDown`",
                    "Behavior": "Scrolls down the container."
                },
                {
                    "Shortcut": "`Shift + Tab`",
                    "Behavior": "Returns focus to the toolbar."
                }
            ]
        }
    },
    {
        "h3": "Testing"
    },
    {
        "p": "The PDF Viewer has been extensively tested automatically with [axe-core](https://github.com/dequelabs/axe-core) and manually with the most popular screen readers."
    },
    {
        "h3": "Screen Readers"
    },
    {
        "p": "The PDF Viewer has been tested with the following screen readers and browsers combinations:"
    },
    {
        "table": {
            "headers": [
                "Environment",
                "Tool"
            ],
            "rows": [
                [
                    "Firefox",
                    "NVDA"
                ],
                [
                    "Chrome",
                    "JAWS"
                ],
                [
                    "Microsoft Edge",
                    "JAWS"
                ]
            ]
        }
    }
]