// Modify page
/*
JS sucks (again, and again, and again, and again…)
Not possible to load content from within the extension:
https://bugzilla.mozilla.org/show_bug.cgi?id=1267027
No SharedWorker, no images allowed for now…
*/
"use strict";
function showError (e) {
console.error(e.fileName + "\n" + e.name + "\nline: " + e.lineNumber + "\n" + e.message);
}
// Chrome don’t follow the W3C specification:
// https://browserext.github.io/browserext/
let bChrome = false;
if (typeof(browser) !== "object") {
var browser = chrome;
bChrome = true;
}
/*
function loadImage (sContainerClass, sImagePath) {
let xRequest = new XMLHttpRequest();
xRequest.open('GET', browser.extension.getURL("")+sImagePath, false);
xRequest.responseType = "arraybuffer";
xRequest.send();
let blobTxt = new Blob([xRequest.response], {type: 'image/png'});
let img = document.createElement('img');
img.src = (URL || webkitURL).createObjectURL(blobTxt); // webkitURL is obsolete: https://bugs.webkit.org/show_bug.cgi?id=167518
Array.filter(document.getElementsByClassName(sContainerClass), function (oElem) {
oElem.appendChild(img);
});
}
*/
const oGrammalecte = {
nMenu: 0,
lMenu: [],
oTFPanel: null,
oLxgPanel: null,
oGCPanel: null,
oMessageBox: null,
xRightClickedNode: null,
xObserver: null,
listenRightClick: function () {
// Node where a right click is done
// Bug report: https://bugzilla.mozilla.org/show_bug.cgi?id=1325814
document.addEventListener('contextmenu', function (xEvent) {
this.xRightClickedNode = xEvent.target;
}.bind(this), true);
},
clearRightClickedNode: function () {
this.xRightClickedNode = null;
},
createMenus: function () {
if (bChrome) {
browser.storage.local.get("ui_options", this._createMenus.bind(this));
return;
}
browser.storage.local.get("ui_options").then(this._createMenus.bind(this), showError);
},
_createMenus: function (dOptions) {
if (dOptions.hasOwnProperty("ui_options")) {
dOptions = dOptions.ui_options;
if (dOptions.textarea) {
for (let xNode of document.getElementsByTagName("textarea")) {
if (xNode.style.display !== "none" && xNode.style.visibility !== "hidden") {
this.lMenu.push(new GrammalecteMenu(this.nMenu, xNode));
this.nMenu += 1;
}
}
}
if (dOptions.editablenode) {
for (let xNode of document.querySelectorAll("[contenteditable]")) {
this.lMenu.push(new GrammalecteMenu(this.nMenu, xNode));
this.nMenu += 1;
}
}
}
},
observePage: function () {
/*
When a textarea is added via jascript we add the menu :)
*/
this.xObserver = new MutationObserver(function (mutations) {
mutations.forEach(function (mutation) {
for (let i = 0; i < mutation.addedNodes.length; i++){
if (mutation.addedNodes[i].tagName == "TEXTAREA") {
oGrammalecte.lMenu.push(new GrammalecteMenu(oGrammalecte.nMenu, mutation.addedNodes[i]));
oGrammalecte.nMenu += 1;
} else if (mutation.addedNodes[i].getElementsByTagName) {
for (let xNode of mutation.addedNodes[i].getElementsByTagName("textarea")) {
oGrammalecte.lMenu.push(new GrammalecteMenu(oGrammalecte.nMenu, xNode));
oGrammalecte.nMenu += 1;
}
}
}
});
});
this.xObserver.observe(document.body, {
childList: true,
subtree: true
});
},
rescanPage: function () {
if (this.oTFPanel !== null) { this.oTFPanel.hide(); }
if (this.oLxgPanel !== null) { this.oLxgPanel.hide(); }
if (this.oGCPanel !== null) { this.oGCPanel.hide(); }
for (let oMenu of this.lMenu) {
oMenu.deleteNodes();
}
this.lMenu.length = 0; // to clear an array
this.listenRightClick();
this.createMenus();
},
createTFPanel: function () {
if (this.oTFPanel === null) {
this.oTFPanel = new GrammalecteTextFormatter("grammalecte_tf_panel", "Formateur de texte", 760, 600, false);
//this.oTFPanel.logInnerHTML();
this.oTFPanel.insertIntoPage();
this.oTFPanel.adjustHeight();
}
},
createLxgPanel: function () {
if (this.oLxgPanel === null) {
this.oLxgPanel = new GrammalecteLexicographer("grammalecte_lxg_panel", "Lexicographe", 500, 700);
this.oLxgPanel.insertIntoPage();
}
},
createGCPanel: function () {
if (this.oGCPanel === null) {
this.oGCPanel = new GrammalecteGrammarChecker("grammalecte_gc_panel", "Grammalecte", 500, 700);
this.oGCPanel.insertIntoPage();
}
},
createMessageBox: function () {
if (this.oMessageBox === null) {
this.oMessageBox = new GrammalecteMessageBox("grammalecte_message_box", "Grammalecte");
this.oMessageBox.insertIntoPage();
}
},
startGCPanel: function (xNode=null) {
this.createGCPanel();
this.oGCPanel.clear();
this.oGCPanel.show();
this.oGCPanel.start(xNode);
this.oGCPanel.startWaitIcon();
},
startLxgPanel: function () {
this.createLxgPanel();
this.oLxgPanel.clear();
this.oLxgPanel.show();
this.oLxgPanel.startWaitIcon();
},
startFTPanel: function (xNode=null) {
this.createTFPanel();
this.oTFPanel.start(xNode);
this.oTFPanel.show();
},
showMessage: function (sMessage) {
this.createMessageBox();
this.oMessageBox.show();
this.oMessageBox.setMessage(sMessage);
},
getPageText: function () {
let sPageText = document.body.innerText;
let nPos = sPageText.indexOf("__grammalecte_panel__");
if (nPos >= 0) {
sPageText = sPageText.slice(0, nPos);
}
return sPageText;
},
createNode: function (sType, oAttr, oDataset=null) {
try {
let xNode = document.createElement(sType);
Object.assign(xNode, oAttr);
if (oDataset) {
Object.assign(xNode.dataset, oDataset);
}
return xNode;
}
catch (e) {
showError(e);
}
}
}
/*
Connexion to the background
*/
let xGrammalectePort = browser.runtime.connect({name: "content-script port"});
xGrammalectePort.onMessage.addListener(function (oMessage) {
let {sActionDone, result, dInfo, bEnd, bError} = oMessage;
let sText = "";
switch (sActionDone) {
case "parseAndSpellcheck":
if (!bEnd) {
oGrammalecte.oGCPanel.addParagraphResult(result);
} else {
oGrammalecte.oGCPanel.stopWaitIcon();
}
break;
case "parseAndSpellcheck1":
oGrammalecte.oGCPanel.refreshParagraph(dInfo.sParagraphId, result);
break;
case "getListOfTokens":
if (!bEnd) {
oGrammalecte.oLxgPanel.addListOfTokens(result);
} else {
oGrammalecte.oLxgPanel.stopWaitIcon();
}
break;
case "getSpellSuggestions":
oGrammalecte.oGCPanel.oTooltip.setSpellSuggestionsFor(result.sWord, result.aSugg, dInfo.sErrorId);
break;
/*
Commands received from the context menu
(Context menu are initialized in background)
*/
// Grammar checker commands
case "rightClickGCEditableNode":
if (oGrammalecte.xRightClickedNode !== null) {
oGrammalecte.startGCPanel(oGrammalecte.xRightClickedNode);
sText = (oGrammalecte.xRightClickedNode.tagName == "TEXTAREA") ? oGrammalecte.xRightClickedNode.value : oGrammalecte.xRightClickedNode.innerText;
xGrammalectePort.postMessage({
sCommand: "parseAndSpellcheck",
dParam: {sText: sText, sCountry: "FR", bDebug: false, bContext: false},
dInfo: {sTextAreaId: oGrammalecte.xRightClickedNode.id}
});
} else {
oGrammalecte.showMessage("Erreur. Le node sur lequel vous avez cliqué n’a pas pu être identifié. Sélectionnez le texte à corriger et relancez le correcteur via le menu contextuel.");
}
break;
case "rightClickGCPage":
oGrammalecte.startGCPanel();
xGrammalectePort.postMessage({
sCommand: "parseAndSpellcheck",
dParam: {sText: oGrammalecte.getPageText(), sCountry: "FR", bDebug: false, bContext: false},
dInfo: {}
});
break;
case "rightClickGCSelectedText":
oGrammalecte.startGCPanel();
// selected text is sent to the GC worker in the background script.
break;
// Lexicographer commands
case "rightClickLxgEditableNode":
if (oGrammalecte.xRightClickedNode !== null) {
oGrammalecte.startLxgPanel();
sText = (oGrammalecte.xRightClickedNode.tagName == "TEXTAREA") ? oGrammalecte.xRightClickedNode.value : oGrammalecte.xRightClickedNode.innerText;
xGrammalectePort.postMessage({
sCommand: "getListOfTokens",
dParam: {sText: sText},
dInfo: {sTextAreaId: oGrammalecte.xRightClickedNode.id}
});
} else {
oGrammalecte.showMessage("Erreur. Le node sur lequel vous avez cliqué n’a pas pu être identifié. Sélectionnez le texte à analyser et relancez le lexicographe via le menu contextuel.");
}
break;
case "rightClickLxgPage":
oGrammalecte.startLxgPanel();
xGrammalectePort.postMessage({
sCommand: "getListOfTokens",
dParam: {sText: oGrammalecte.getPageText()},
dInfo: {}
});
break;
case "rightClickLxgSelectedText":
oGrammalecte.startLxgPanel();
// selected text is sent to the GC worker in the background script.
break;
// Text formatter command
case "rightClickTFEditableNode":
if (oGrammalecte.xRightClickedNode !== null) {
if (oGrammalecte.xRightClickedNode.tagName == "TEXTAREA") {
oGrammalecte.startFTPanel(oGrammalecte.xRightClickedNode);
} else {
oGrammalecte.showMessage("Cette zone de texte n’est pas réellement un champ de formulaire, mais un node HTML éditable. Le formateur de texte n’est pas disponible pour ce type de champ de saisie.");
}
} else {
oGrammalecte.showMessage("Erreur. Le node sur lequel vous avez cliqué n’a pas pu être identifié.");
}
break;
// rescan page command
case "rescanPage":
oGrammalecte.rescanPage();
break;
default:
console.log("[Content script] Unknown command: " + sActionDone);
}
});
/*
Start
*/
oGrammalecte.listenRightClick();
oGrammalecte.createMenus();
oGrammalecte.observePage();