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Bug 891882 - Enable touch event on B2G desktop r=vingtetun

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This commit is contained in:
Fabrice Desré 2013-11-06 11:05:07 -08:00
parent f2a57fa3f9
commit a94450b388
3 changed files with 33 additions and 4 deletions
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4
b2g/app/b2g.js
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@ -287,14 +287,10 @@ pref("image.mem.min_discard_timeout_ms", 86400000); /* 24h, we rely on the out o
pref("image.mem.max_decoded_image_kb", 30000); /* 30MB seems reasonable */
pref("image.onload.decode.limit", 24); /* don't decode more than 24 images eagerly */
// XXX this isn't a good check for "are touch events supported", but
// we don't really have a better one at the moment.
#ifdef MOZ_WIDGET_GONK
// enable touch events interfaces
pref("dom.w3c_touch_events.enabled", 1);
pref("dom.w3c_touch_events.safetyX", 0); // escape borders in units of 1/240"
pref("dom.w3c_touch_events.safetyY", 120); // escape borders in units of 1/240"
#endif
#ifdef MOZ_SAFE_BROWSING
// Safe browsing does nothing unless this pref is set

21
b2g/chrome/content/shell.js
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@ -628,6 +628,27 @@ var shell = {
Services.obs.notifyObservers(null, "browser-ui-startup-complete", "");
#ifndef MOZ_WIDGET_GONK
let require = Cu.import("resource://gre/modules/devtools/Loader.jsm", {})
.devtools.require;
let { TouchEventHandler } = require("devtools/touch-events");
let frame = content.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShell).chromeEventHandler;
let scope = {
addEventListener:
function(type, fun, capture) {
frame.addEventListener(type, fun, capture);
},
removeEventListener:
function(type, fun) {
frame.removeEventListener(type, fun);
}
};
let touchEventHandler = new TouchEventHandler(scope);
touchEventHandler.start();
#endif
if ('pendingChromeEvents' in shell) {
shell.pendingChromeEvents.forEach((shell.sendChromeEvent).bind(shell));
}

12
toolkit/devtools/touch-events.js
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@ -159,6 +159,18 @@ function TouchEventHandler (window) {
return timeout;
},
sendTouchEvent: function teh_sendTouchEvent(evt, target, name) {
// When running OOP b2g desktop, we need to send the touch events
// using the mozbrowser api on the unwrapped frame.
if (target.localName == "iframe" && target.mozbrowser === true) {
let unwraped = XPCNativeWrapper.unwrap(target);
unwraped.sendTouchEvent(name, [0], // event type, id
[evt.pageX], [evt.pageY], // x, y
[1], [1], // rx, ry
[0], [0], // rotation, force
1); // count
return;
}
let document = target.ownerDocument;
let content = this.getContent(target);