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Non-standard
This feature is not on a current W3C standards track, but it is supported on the Firefox OS platform. Although implementations may change in the future and it is not supported widely across browsers, it is suitable for use in code dedicated to Firefox OS apps.
This API is available on Firefox OS for privileged or certified applications only.
The sendTouchEvent() method of the HTMLIFrameElement allows you to fake a touch event and send it to the browser <iframe>'s content.
Note: This method is available for touch-enabled devices only.
Syntax
instanceOfHTMLIframeElement.sendTouchEvent(type, x, y, rx, ry,
rotationAngles, forces,
count, modifiers);
Returns
Void.
Parameters
type- A string representing the event type. Possible values are
touchstart,touchend,touchmove, ortouchcancel. x- An array of numbers representing the x position of each touch point relative to the browser
<iframe>'s visible area in CSS pixels. y- An array of numbers representing the y position of each touch point relative to the browser
<iframe>'s visible area in CSS pixels. rx- An array of numbers representing the x radius of each touch point in CSS pixels.
ry- An array of numbers representing the y radius of each touch point in CSS pixels.
rotationAngles- An array of numbers representing the angle of each touch point in degrees.
forces- An array of numbers representing the intensity of each touch in the range 0–1.
count- The number of touches that should be performed.
modifiers- A number representing a key pressed at the same time the mouse button was clicked:
1: Alt2: Ctrl4: Shift8: Meta16: Alt Gr32: Caps Lock64: Fn128: Num Lock256: Scroll512: Symbol Lock1024: Win
Note: You can specify multiple key modifiers separated by a pipe symbol, for example
1 | 1014.
Examples
var browser = document.querySelector('iframe');
browser.sendTouchEvent("touchstart", [1], [x], [y], [2], [2],
[20], [0.5], 1, 0);
Specification
Not part of any specification.
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | Not supported | Not supported | Not supported | Not supported | Not supported |
| Feature | Android | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | Not supported | Not supported | 1.0.1 | Not supported | Not supported | Not supported |
Note: Use of the Browser API requires a privileged app, and browser and/or embed-apps permissions, depending on what you want to do. See Using the Browser API for more details.