[
    {
        "h2": "Accessibility Support"
    },
    {
        "p": "Out of the box, the Telerik and Kendo UI TimeDurationPicker provides extensive accessibility support and enables users with disabilities to acquire complete control over its features."
    },
    {
        "p": "The TimeDurationPicker 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."
    },
    {
        "h4": "TimeDurationPicker Wrapping Element"
    },
    {
        "table": {
            "headers": [
                "Selector",
                "Attribute",
                "Usage"
            ],
            "rows": [
                {
                    "Selector": "`.k-input-inner`",
                    "Attribute": "`role=combobox`",
                    "Usage": "The input element must follow the `combobox` specification."
                },
                {
                    "Selector": "",
                    "Attribute": "`label for` or `aria-label` or `aria-labelledby`",
                    "Usage": "An accessible name must be assigned to the input."
                },
                {
                    "Selector": "",
                    "Attribute": "`aria-expanded=true/false`",
                    "Usage": "Announces whether the Popup is visible or not."
                },
                {
                    "Selector": "",
                    "Attribute": "`aria-haspopup=dialog`",
                    "Usage": "Indicates the component has a Dialog Popup"
                },
                {
                    "Selector": "",
                    "Attribute": "`aria-controls=.k-popup id`",
                    "Usage": " Points to the popup element. Signifies that the `combobox` element controls the `dialog` popup."
                },
                {
                    "Selector": "",
                    "Attribute": "`readonly` or `aria-readonly`",
                    "Usage": "The attribute is rendered only when the DatePicker is readonly."
                },
                {
                    "Selector": "`.k-invalid .k-input-inner,.ng-invalid .k-input-inner`",
                    "Attribute": "`aria-invalid=true`",
                    "Usage": "An attribute is rendered only when the picker is in form and announces the valid state of the component."
                },
                {
                    "Selector": "`.k-disabled .k-input-inner`",
                    "Attribute": "`disabled=disabled` or `aria-disabled=true`",
                    "Usage": "An attribute is rendered only when the DatePicker is disabled."
                },
                {
                    "Selector": "`.k-input-button`",
                    "Attribute": "`aria-hidden=true`",
                    "Usage": "The button element must be hidden from the assistive technologies."
                },
                {
                    "Selector": "",
                    "Attribute": "`tabindex=-1`",
                    "Usage": "The button element must not be focusable."
                },
                {
                    "Selector": "`k-timedurationpicker.k-disabled .k-button`",
                    "Attribute": "`disabled` or `aria-disabled=true`",
                    "Usage": "An attribute is rendered only when the picker is disabled."
                }
            ]
        }
    },
    {
        "h4": "List Elements in the Popup"
    },
    {
        "table": {
            "headers": [
                "Selector",
                "Attribute",
                "Usage"
            ],
            "rows": [
                {
                    "Selector": "`.k-time-list`",
                    "Attribute": "`role=listbox`",
                    "Usage": "The timelist elements must have a `listbox` role assigned."
                },
                {
                    "Selector": "",
                    "Attribute": "`aria-label` or `aria-labelledby`",
                    "Usage": "An accessible name must be assigned to the listbox."
                },
                {
                    "Selector": "`.k-time-list .k-reset`",
                    "Attribute": "`role=none/presentation`",
                    "Usage": "The `k-rest` `<ul>` element's semantic meaning must be removed from the accessibility tree."
                },
                {
                    "Selector": "`.k-time-list .k-item`",
                    "Attribute": "`role=option`",
                    "Usage": "The available options in the listbox must be marked as such."
                },
                {
                    "Selector": "",
                    "Attribute": "`aria-selected=true/false`",
                    "Usage": "The selected option must have its `aria-selected` attribute set to `true`."
                }
            ]
        }
    },
    {
        "h4": "Adaptive Mode"
    },
    {
        "p": "When the component is in adaptive mode, the popup element follows the specifications of the ActionSheet component."
    },
    {
        "link": {
            "title": "ActionSheet accessibility specification",
            "source": "{{actionsheet_a11y_link}}"
        }
    },
    {
        "h3": "Managing the Focus"
    },
    {
        "p": "Initial focus is on the selected time."
    },
    {
        "p": "The time dropdown tab sequence is:  **hours** part, **minutes** part, **seconds** part, **Cancel** button, **Set** button. The tab key is trapped in the popup."
    },
    {
        "h3": "Keyboard Shortcuts"
    },
    {
        "h4": "Actions applied to the input:"
    },
    {
        "table": {
            "headers": [
                "Shortcut",
                "Behavior"
            ],
            "rows": [
                {
                    "Shortcut": "`Esc`",
                    "Behavior": "Closes the popup"
                },
                {
                    "Shortcut": "`Alt/Opt(Mac) + Down`",
                    "Behavior": "Opens the popup"
                },
                {
                    "Shortcut": "`Alt/Opt(Mac) + Up`",
                    "Behavior": "Closes the popup"
                },
                {
                    "Shortcut": "`Up`",
                    "Behavior": "Increases the value of the time segment that is highlighted."
                },
                {
                    "Shortcut": "`Down`",
                    "Behavior": "Decreases the value of the time segment that is highlighted."
                },
                {
                    "Shortcut": "`Left`",
                    "Behavior": "Moves to previous time segment in the input."
                },
                {
                    "Shortcut": "`Right`",
                    "Behavior": "Moves to next time segment in the input."
                },
                {
                    "Shortcut": "`Backspace`",
                    "Behavior": "Deletes value of the time segment."
                }
            ]
        }
    },
    {
        "h4": "Actions applied to the time list:"
    },
    {
        "table": {
            "headers": [
                "Shortcut",
                "Behavior"
            ],
            "rows": [
                {
                    "Shortcut": "`Esc`",
                    "Behavior": "Closes the popup"
                },
                {
                    "Shortcut": "`Shift + Tab` or `Left`",
                    "Behavior": "Focuses previous carousel."
                },
                {
                    "Shortcut": "`Tab` or `Right`",
                    "Behavior": "Focuses next carousel."
                },
                {
                    "Shortcut": "`Down`",
                    "Behavior": "Selects next value in the carousel."
                },
                {
                    "Shortcut": "`Up`",
                    "Behavior": "Selects previous value in the carousel."
                }
            ]
        }
    },
    {
        "h4": "ActionSheet Popup"
    },
    {
        "p": "In adaptive mode, the popup element of the TimeDurationPicker has to implement the keyboard navigation specification for an ActionSheet component."
    },
    {
        "link": {
            "title": "ActionSheet  specification",
            "source": "{{actionsheet_kb_link}}"
        }
    },
    {
        "h3": "Testing"
    },
    {
        "p": "The TimeDurationPicker 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 TimeDurationPicker has been tested with the following screen readers and browsers combinations:"
    },
    {
        "table": {
            "headers": [
                "Environment",
                "Tool"
            ],
            "rows": [
                [
                    "Firefox",
                    "NVDA"
                ],
                [
                    "Chrome",
                    "JAWS"
                ],
                [
                    "Microsoft Edge",
                    "JAWS"
                ]
            ]
        }
    },
    {
        "h3": "Resources"
    },
    {
        "ul": [
            {
                "link": {
                    "title": "WAI-ARIA specification for combobox",
                    "source": "https://www.w3.org/TR/wai-aria-1.2/#combobox"
                }
            },
            {
                "link": {
                    "title": "WAI-ARIA specification for listbox",
                    "source": "https://www.w3.org/TR/wai-aria-1.2/#listbox"
                }
            }
        ]
    }
]