зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
2.7 KiB
JavaScript
90 строки
2.7 KiB
JavaScript
/* vim: set ts=2 sw=2 sts=2 et tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
"use strict";
|
|
|
|
var EXPORTED_SYMBOLS = ["FindBarChild"];
|
|
|
|
ChromeUtils.import("resource://gre/modules/ActorChild.jsm");
|
|
ChromeUtils.import("resource://gre/modules/Services.jsm");
|
|
ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
|
|
|
|
ChromeUtils.defineModuleGetter(this, "BrowserUtils",
|
|
"resource://gre/modules/BrowserUtils.jsm");
|
|
|
|
class FindBarChild extends ActorChild {
|
|
constructor(mm) {
|
|
super(mm);
|
|
this._findKey = null;
|
|
|
|
XPCOMUtils.defineLazyProxy(this, "FindBarContent", () => {
|
|
let tmp = {};
|
|
ChromeUtils.import("resource://gre/modules/FindBarContent.jsm", tmp);
|
|
return new tmp.FindBarContent(this.mm);
|
|
}, {inQuickFind: false, inPassThrough: false});
|
|
}
|
|
|
|
/**
|
|
* Check whether this key event will start the findbar in the parent,
|
|
* in which case we should pass any further key events to the parent to avoid
|
|
* them being lost.
|
|
* @param aEvent the key event to check.
|
|
*/
|
|
eventMatchesFindShortcut(aEvent) {
|
|
if (!this._findKey) {
|
|
this._findKey = Services.cpmm.sharedData.get("Findbar:Shortcut");
|
|
if (!this._findKey) {
|
|
return false;
|
|
}
|
|
}
|
|
for (let k in this._findKey) {
|
|
if (this._findKey[k] != aEvent[k]) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
handleEvent(event) {
|
|
if (event.type == "keypress") {
|
|
this.onKeypress(event);
|
|
}
|
|
}
|
|
|
|
onKeypress(event) {
|
|
let {FindBarContent} = this;
|
|
|
|
if (!FindBarContent.inPassThrough &&
|
|
this.eventMatchesFindShortcut(event)) {
|
|
return FindBarContent.start(event);
|
|
}
|
|
|
|
if (event.ctrlKey || event.altKey || event.metaKey || event.defaultPrevented ||
|
|
!BrowserUtils.canFastFind(this.content)) {
|
|
return null;
|
|
}
|
|
|
|
if (FindBarContent.inPassThrough || FindBarContent.inQuickFind) {
|
|
return FindBarContent.onKeypress(event);
|
|
}
|
|
|
|
if (event.charCode && BrowserUtils.shouldFastFind(event.target)) {
|
|
let key = String.fromCharCode(event.charCode);
|
|
if ((key == "/" || key == "'") && FindBarChild.manualFAYT) {
|
|
return FindBarContent.startQuickFind(event);
|
|
}
|
|
if (key != " " && FindBarChild.findAsYouType) {
|
|
return FindBarContent.startQuickFind(event, true);
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
|
|
XPCOMUtils.defineLazyPreferenceGetter(FindBarChild, "findAsYouType",
|
|
"accessibility.typeaheadfind");
|
|
XPCOMUtils.defineLazyPreferenceGetter(FindBarChild, "manualFAYT",
|
|
"accessibility.typeaheadfind.manual");
|
|
|