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Bug 924983 - Introduce context actions. r=yzen

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This commit is contained in:
Eitan Isaacson 2013-11-06 09:43:53 -08:00
parent 0737cbdf35
commit b7c403b9cb
2 changed files with 30 additions and 0 deletions
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12
accessible/src/jsat/AccessFu.jsm
View File

@ -735,6 +735,12 @@ var Input = {
case 'swipeleft1':
this.moveCursor('movePrevious', 'Simple', 'gesture');
break;
case 'swipeup1':
this.contextAction('backward');
break;
case 'swipedown1':
this.contextAction('forward');
break;
case 'exploreend1':
this.activateCurrent(null, true);
break;
@ -859,6 +865,12 @@ var Input = {
origin: 'top', inputType: aInputType});
},
contextAction: function contextAction(aDirection) {
// XXX: For now, the only supported context action is adjusting a range.
let mm = Utils.getMessageManager(Utils.CurrentBrowser);
mm.sendAsyncMessage('AccessFu:AdjustRange', {direction: aDirection});
},
moveByGranularity: function moveByGranularity(aDetails) {
const MOVEMENT_GRANULARITY_PARAGRAPH = 8;

18
accessible/src/jsat/content-script.js
View File

@ -331,6 +331,23 @@ function scroll(aMessage) {
}
}
function adjustRange(aMessage) {
function sendUpDownKey(aAccessible) {
let evt = content.document.createEvent('KeyboardEvent');
let keycode = aMessage.json.direction == 'forward' ?
content.KeyEvent.DOM_VK_DOWN : content.KeyEvent.DOM_VK_UP;
evt.initKeyEvent(
"keypress", false, true, null, false, false, false, false, keycode, 0);
if (aAccessible.DOMNode) {
aAccessible.DOMNode.dispatchEvent(evt);
}
}
let position = Utils.getVirtualCursor(content.document).position;
if (!forwardToChild(aMessage, adjustRange, position)) {
sendUpDownKey(position);
}
}
addMessageListener(
'AccessFu:Start',
function(m) {
@ -344,6 +361,7 @@ addMessageListener(
addMessageListener('AccessFu:Activate', activateCurrent);
addMessageListener('AccessFu:ContextMenu', activateContextMenu);
addMessageListener('AccessFu:Scroll', scroll);
addMessageListener('AccessFu:AdjustRange', adjustRange);
addMessageListener('AccessFu:MoveCaret', moveCaret);
addMessageListener('AccessFu:MoveByGranularity', moveByGranularity);