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Bug 755648 - Fix the key event dance between system app and apps. r=vingtetun

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This commit is contained in:
Tim Chien 2012-06-07 10:18:29 +08:00
parent dc1ddec369
commit 1778ecf02e
1 changed files with 13 additions and 24 deletions
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37
b2g/chrome/content/shell.js
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@ -191,13 +191,13 @@ var shell = {
audioManager.masterVolume = volume;
},
forwardKeyToHomescreen: function shell_forwardKeyToHomescreen(evt) {
forwardKeyToContent: function shell_forwardKeyToContent(evt) {
let generatedEvent = content.document.createEvent('KeyboardEvent');
generatedEvent.initKeyEvent(evt.type, true, true, evt.view, evt.ctrlKey,
evt.altKey, evt.shiftKey, evt.metaKey,
evt.keyCode, evt.charCode);
content.dispatchEvent(generatedEvent);
content.document.documentElement.dispatchEvent(generatedEvent);
},
handleEvent: function shell_handleEvent(evt) {
@ -205,30 +205,9 @@ var shell = {
case 'keydown':
case 'keyup':
case 'keypress':
// If the home key is pressed, always forward it to the homescreen
if (evt.eventPhase == evt.CAPTURING_PHASE) {
if (evt.keyCode == evt.VK_DOM_HOME) {
window.setTimeout(this.forwardKeyToHomescreen, 0, evt);
evt.preventDefault();
evt.stopPropagation();
}
return;
}
// If one of the other keys is used in an application and is
// cancelled via preventDefault, do nothing.
let homescreen = (evt.target.ownerDocument.defaultView == content);
if (!homescreen && evt.defaultPrevented)
return;
// If one of the other keys is used in an application and is
// not used forward it to the homescreen
if (!homescreen)
window.setTimeout(this.forwardKeyToHomescreen, 0, evt);
// For debug purposes and because some of the APIs are not yet exposed
// to the content, let's react on some of the keyup events.
if (evt.type == 'keyup') {
if (evt.type == 'keyup' && evt.eventPhase == evt.BUBBLING_PHASE) {
switch (evt.keyCode) {
case evt.DOM_VK_F5:
if (Services.prefs.getBoolPref('b2g.keys.search.enabled'))
@ -244,6 +223,16 @@ var shell = {
break;
}
}
// Redirect the HOME key to System app and stop the applications from
// handling it.
let rootContentEvt = (evt.target.ownerDocument.defaultView == content);
if (!rootContentEvt && evt.eventPhase == evt.CAPTURING_PHASE &&
evt.keyCode == evt.DOM_VK_HOME) {
this.forwardKeyToContent(evt);
evt.preventDefault();
evt.stopImmediatePropagation();
}
break;
case 'mozfullscreenchange':