gecko-dev/toolkit/modules/InlineSpellCheckerContent.jsm

143 lines
4.5 KiB
JavaScript

/* vim: set ts=2 sw=2 sts=2 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 { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
var { InlineSpellChecker, SpellCheckHelper } =
Cu.import("resource://gre/modules/InlineSpellChecker.jsm", {});
this.EXPORTED_SYMBOLS = [ "InlineSpellCheckerContent" ]
var InlineSpellCheckerContent = {
_spellChecker: null,
_manager: null,
initContextMenu(event, editFlags, messageManager) {
this._manager = messageManager;
let spellChecker;
if (!(editFlags & (SpellCheckHelper.TEXTAREA | SpellCheckHelper.INPUT))) {
// Get the editor off the window.
let win = event.target.ownerGlobal;
let editingSession = win.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIEditingSession);
spellChecker = this._spellChecker =
new InlineSpellChecker(editingSession.getEditorForWindow(win));
} else {
// Use the element's editor.
spellChecker = this._spellChecker =
new InlineSpellChecker(event.target.QueryInterface(Ci.nsIDOMNSEditableElement).editor);
}
this._spellChecker.initFromEvent(event.rangeParent, event.rangeOffset)
this._addMessageListeners();
if (!spellChecker.canSpellCheck) {
return { canSpellCheck: false,
initialSpellCheckPending: true,
enableRealTimeSpell: false };
}
if (!spellChecker.mInlineSpellChecker.enableRealTimeSpell) {
return { canSpellCheck: true,
initialSpellCheckPending: spellChecker.initialSpellCheckPending,
enableRealTimeSpell: false };
}
let dictionaryList = {};
let realSpellChecker = spellChecker.mInlineSpellChecker.spellChecker;
realSpellChecker.GetDictionaryList(dictionaryList, {});
// The original list we get is in random order. We need our list to be
// sorted by display names.
dictionaryList = spellChecker.sortDictionaryList(dictionaryList.value).map((obj) => {
return obj.id;
});
spellChecker.mDictionaryNames = dictionaryList;
return { canSpellCheck: spellChecker.canSpellCheck,
initialSpellCheckPending: spellChecker.initialSpellCheckPending,
enableRealTimeSpell: spellChecker.enabled,
overMisspelling: spellChecker.overMisspelling,
misspelling: spellChecker.mMisspelling,
spellSuggestions: this._generateSpellSuggestions(),
currentDictionary: spellChecker.mInlineSpellChecker.spellChecker.GetCurrentDictionary(),
dictionaryList };
},
uninitContextMenu() {
for (let i of this._messages)
this._manager.removeMessageListener(i, this);
this._manager = null;
this._spellChecker = null;
},
_generateSpellSuggestions() {
let spellChecker = this._spellChecker.mInlineSpellChecker.spellChecker;
try {
spellChecker.CheckCurrentWord(this._spellChecker.mMisspelling);
} catch (e) {
return [];
}
let suggestions = new Array(5);
for (let i = 0; i < 5; ++i) {
suggestions[i] = spellChecker.GetSuggestedWord();
if (suggestions[i].length === 0) {
suggestions.length = i;
break;
}
}
this._spellChecker.mSpellSuggestions = suggestions;
return suggestions;
},
_messages: [
"InlineSpellChecker:selectDictionary",
"InlineSpellChecker:replaceMisspelling",
"InlineSpellChecker:toggleEnabled",
"InlineSpellChecker:recheck",
"InlineSpellChecker:uninit"
],
_addMessageListeners() {
for (let i of this._messages)
this._manager.addMessageListener(i, this);
},
receiveMessage(msg) {
switch (msg.name) {
case "InlineSpellChecker:selectDictionary":
this._spellChecker.selectDictionary(msg.data.index);
break;
case "InlineSpellChecker:replaceMisspelling":
this._spellChecker.replaceMisspelling(msg.data.index);
break;
case "InlineSpellChecker:toggleEnabled":
this._spellChecker.toggleEnabled();
break;
case "InlineSpellChecker:recheck":
this._spellChecker.mInlineSpellChecker.enableRealTimeSpell = true;
break;
case "InlineSpellChecker:uninit":
this.uninitContextMenu();
break;
}
}
};