gecko-dev/toolkit/actors/FindBarChild.jsm
Paolo Amadini 3320f4e2ef Bug 1486984 - Fix find commands for PDF and special pages, and remove obsolete code. r=Gijs
Support for finding text in a page is now determined by a blacklist of locations, simplifying handling in multi-process mode and restoring the intended behavior.

Differential Revision: https://phabricator.services.mozilla.com/D8005

--HG--
extra : rebase_source : 129f3d4e3cdd3673251ed7a3cc58101dd3cb0c91
2018-10-23 15:29:09 +01:00

98 lines
2.9 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(dispatcher) {
super(dispatcher);
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);
}
// disable FAYT in about:blank to prevent FAYT opening unexpectedly.
let location = this.content.location.href;
if (location == "about:blank") {
return null;
}
if (event.ctrlKey || event.altKey || event.metaKey || event.defaultPrevented ||
!BrowserUtils.mimeTypeIsTextBased(this.content.document.contentType) ||
!BrowserUtils.canFindInPage(location)) {
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");