Grammalecte  Check-in [d330b8f101]

Overview
Comment:[fx] panel button: stop observing page content, just create one button and move according to the focus (much simplier and more reliable)
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk | fx
Files: files | file ages | folders
SHA3-256: d330b8f101a62c8404607c3120d3050152480a3d13761d68b56238f53f88645a
User & Date: olr on 2020-03-31 15:39:03
Other Links: manifest | tags
Context
2020-03-31
15:41
[fx] remove rescanPage command check-in: 45bce0a282 user: olr tags: fx, trunk
15:39
[fx] panel button: stop observing page content, just create one button and move according to the focus (much simplier and more reliable) check-in: d330b8f101 user: olr tags: fx, trunk
07:42
[fr] faux positif et ajustements check-in: b4883f6fda user: olr tags: fr, trunk
Changes

Modified gc_lang/fr/webext/content_scripts/init.js from [f2766d89f6] to [e2ae031877].

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const oGrammalecte = {

    nButton: 0,
    lButton: [],


    oTFPanel: null,
    oGCPanel: null,

    oMessageBox: null,

    xRightClickedNode: null,

................................................................................

    sExtensionUrl: null,

    oOptions: null,

    bAutoRefresh: true,

    listenRightClick: function () {








        // Node where a right click is done
        // Bug report: https://bugzilla.mozilla.org/show_bug.cgi?id=1325814
        document.addEventListener('contextmenu', (xEvent) => {
            this.xRightClickedNode = xEvent.target;
        }, true);
    },

    clearRightClickedNode: function () {
        this.xRightClickedNode = null;
    },

    createButtons: function () {
        if (bChrome) {
            browser.storage.local.get("ui_options", this._prepareButtons.bind(this));
            return;
        }
        browser.storage.local.get("ui_options").then(this._prepareButtons.bind(this), showError);
    },

    _isEligibleNode: function (xNode) {
        return (xNode.style.display !== "none" && xNode.style.visibility !== "hidden"
               && !(xNode.dataset.grammalecte_button  &&  xNode.dataset.grammalecte_button == "false"))
    },

    _prepareButtons: function (oOptions) {
        if (oOptions.hasOwnProperty("ui_options")) {
            this.oOptions = oOptions.ui_options;
            // textarea
            if (this.oOptions  && this.oOptions.textarea) {
                for (let xNode of document.getElementsByTagName("textarea")) {
                    if (this._isEligibleNode(xNode)  &&  xNode.getAttribute("spellcheck") !== "false") {
                        this.lButton.push(new GrammalecteButton(this.nButton, xNode));
                        this.nButton += 1;

                    }
                }
            }
            // editable nodes
            if (this.oOptions  &&  this.oOptions.editablenode) {
                for (let xNode of document.querySelectorAll("[contenteditable]")) {
                    if (this._isEligibleNode(xNode)) {
                        this.lButton.push(new GrammalecteButton(this.nButton, xNode));
                        this.nButton += 1;
                    }
                }
            }
        }
    },

    observePage: function () {
        // When a textarea is added via jascript we add the buttons
        let that = this;
        this.xObserver = new MutationObserver(function (lMutations) {
            lMutations.forEach(function (xMutation) {
                if (that.oOptions) {
                    for (let i = 0;  i < xMutation.addedNodes.length;  i++) {
                        let xNode = xMutation.addedNodes[i];
                        if (xNode.tagName == "TEXTAREA"  &&  that.oOptions.textarea  &&  xNode.getAttribute("spellcheck") !== "false" &&  that._isEligibleNode(xNode)) {
                            oGrammalecte.lButton.push(new GrammalecteButton(oGrammalecte.nButton, xNode));
                            oGrammalecte.nButton += 1;
                        }
                        /*else if (xNode.isContentEditable  &&  that.oOptions.editablenode  &&  that._isEligibleNode(xNode)) {
                            // this makes Twitter crash when hitting backspace button
                            oGrammalecte.lButton.push(new GrammalecteButton(oGrammalecte.nButton, xNode));
                            oGrammalecte.nButton += 1;
                        }*/
                        else if (xNode.getElementsByTagName  &&  that.oOptions.textarea) {
                            for (let xSubNode of xNode.getElementsByTagName("textarea")) {
                                if (that._isEligibleNode(xSubNode)  &&  xSubNode.getAttribute("spellcheck") !== "false") {
                                    oGrammalecte.lButton.push(new GrammalecteButton(oGrammalecte.nButton, xSubNode));
                                    oGrammalecte.nButton += 1;
                                }
                            }
                        }
                        /*else if (xNode.querySelectorAll  &&  that.oOptions.editablenode) {
                            for (let xSubNode of xNode.querySelectorAll("[contenteditable]")) {
                                if (that._isEligibleNode(xSubNode)) {
                                    oGrammalecte.lButton.push(new GrammalecteButton(oGrammalecte.nButton, xSubNode));
                                    oGrammalecte.nButton += 1;
                                }
                            }
                        }*/
                    }
                }
            });
        });
        this.xObserver.observe(document.body, { childList: true, subtree: true });
    },

    rescanPage: function () {
        if (this.oTFPanel !== null) { this.oTFPanel.hide(); }
        if (this.oGCPanel !== null) { this.oGCPanel.hide(); }
        for (let oMenu of this.lButton) {
            oMenu.deleteNodes();
        }
        this.lButton.length = 0; // to clear an array
        this.listenRightClick();
        this.createButtons();
    },

    createTFPanel: function () {
        if (this.oTFPanel === null) {
            this.oTFPanel = new GrammalecteTextFormatter("grammalecte_tf_panel", "Formateur de texte", 760, 595, false);
            this.oTFPanel.insertIntoPage();
        }
................................................................................
            return xNode;
        }
        catch (e) {
            showError(e);
        }
    },

    getCaretPosition (xElement) {
        // JS awfulness again.
        // recepie from https://stackoverflow.com/questions/4811822/get-a-ranges-start-and-end-offsets-relative-to-its-parent-container
        let nCaretOffsetStart = 0;
        let nCaretOffsetEnd = 0;
        let xSelection = window.getSelection();
        if (xSelection.rangeCount > 0) {
            let xRange = xSelection.getRangeAt(0);
................................................................................
            nCaretOffsetEnd = nCaretOffsetStart + xRange.toString().length;
        }
        return [nCaretOffsetStart, nCaretOffsetEnd];
        // for later: solution with multilines text
        // https://stackoverflow.com/questions/4811822/get-a-ranges-start-and-end-offsets-relative-to-its-parent-container/4812022
    },

    setCaretPosition (xElement, nCaretOffsetStart, nCaretOffsetEnd) {
        // JS awfulness again.
        // recipie from https://stackoverflow.com/questions/6249095/how-to-set-caretcursor-position-in-contenteditable-element-div
        let iChar = 0;
        let xRange = document.createRange();
        xRange.setStart(xElement, 0);
        xRange.collapse(true);

................................................................................
                    lNode.push(xNode.childNodes[i]);
                }
            }
        }
        let xSelection = window.getSelection();
        xSelection.removeAllRanges();
        xSelection.addRange(xRange);














    }
};


function autoRefreshOption (oSavedOptions=null) {
    // auto recallable function
    if (oSavedOptions === null) {
................................................................................
    getListOfTokens: function (sText) {
        this.xConnect.postMessage({ sCommand: "getListOfTokens", oParam: { sText: sText }, oInfo: {} });
    },

    parseFull: function (sText) {
        this.xConnect.postMessage({
            sCommand: "parseFull",
            oParam: { sText: sTex, sCountry: "FR", bDebug: false, bContext: false },
            oInfo: {}
        });
    },

    getVerb: function (sVerb, bStart=true, bPro=false, bNeg=false, bTpsCo=false, bInt=false, bFem=false) {
        this.xConnect.postMessage({
            sCommand: "getVerb",
................................................................................
    },

    /*
        Messages from the background
    */
    listen: function () {
        this.xConnect.onMessage.addListener(function (oMessage) {
            let {sActionDone, result, oInfo, bEnd, bError} = oMessage;
            switch (sActionDone) {
                case "init":
                    oGrammalecte.sExtensionUrl = oMessage.sUrl;
                    oGrammalecte.listenRightClick();
                    oGrammalecte.createButtons();
                    oGrammalecte.observePage();
                    break;
                case "parseAndSpellcheck":
                    if (oInfo.sDestination == "__GrammalectePanel__") {
                        if (!bEnd) {
                            oGrammalecte.oGCPanel.addParagraphResult(result);
                        } else {
                            oGrammalecte.oGCPanel.stopWaitIcon();







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const oGrammalecte = {

    nButton: 0,
    lButton: [],

    oPanelButton: null,
    oTFPanel: null,
    oGCPanel: null,

    oMessageBox: null,

    xRightClickedNode: null,

................................................................................

    sExtensionUrl: null,

    oOptions: null,

    bAutoRefresh: true,

    listen: function () {
        document.addEventListener("click", (xEvent) => {
            //console.log("click", xEvent.target.id);
            this.oPanelButton.examineNode(xEvent.target);
        });
        document.addEventListener("keyup", (xEvent) => {
            //console.log("keyup", document.activeElement.id);
            this.oPanelButton.examineNode(document.activeElement);
        });
        // Node where a right click is done
        // Bug report: https://bugzilla.mozilla.org/show_bug.cgi?id=1325814
        document.addEventListener('contextmenu', (xEvent) => {
            this.xRightClickedNode = xEvent.target;
        }, true);
    },

    clearRightClickedNode: function () {
        this.xRightClickedNode = null;
    },

    createButton: function () {








        if (this.oPanelButton === null) {










            this.oPanelButton = new GrammalecteButton();

            this.oPanelButton.insertIntoPage();
        }































































    },

    createTFPanel: function () {
        if (this.oTFPanel === null) {
            this.oTFPanel = new GrammalecteTextFormatter("grammalecte_tf_panel", "Formateur de texte", 760, 595, false);
            this.oTFPanel.insertIntoPage();
        }
................................................................................
            return xNode;
        }
        catch (e) {
            showError(e);
        }
    },

    getCaretPosition: function (xElement) {
        // JS awfulness again.
        // recepie from https://stackoverflow.com/questions/4811822/get-a-ranges-start-and-end-offsets-relative-to-its-parent-container
        let nCaretOffsetStart = 0;
        let nCaretOffsetEnd = 0;
        let xSelection = window.getSelection();
        if (xSelection.rangeCount > 0) {
            let xRange = xSelection.getRangeAt(0);
................................................................................
            nCaretOffsetEnd = nCaretOffsetStart + xRange.toString().length;
        }
        return [nCaretOffsetStart, nCaretOffsetEnd];
        // for later: solution with multilines text
        // https://stackoverflow.com/questions/4811822/get-a-ranges-start-and-end-offsets-relative-to-its-parent-container/4812022
    },

    setCaretPosition: function (xElement, nCaretOffsetStart, nCaretOffsetEnd) {
        // JS awfulness again.
        // recipie from https://stackoverflow.com/questions/6249095/how-to-set-caretcursor-position-in-contenteditable-element-div
        let iChar = 0;
        let xRange = document.createRange();
        xRange.setStart(xElement, 0);
        xRange.collapse(true);

................................................................................
                    lNode.push(xNode.childNodes[i]);
                }
            }
        }
        let xSelection = window.getSelection();
        xSelection.removeAllRanges();
        xSelection.addRange(xRange);
    },

    getElementCoord: function (xElem) {
        // https://stackoverflow.com/questions/5598743/finding-elements-position-relative-to-the-document
        let xBox = xElem.getBoundingClientRect();
        let scrollTop = document.documentElement.scrollTop || document.body.scrollTop;
        let scrollLeft = document.documentElement.scrollLeft || document.body.scrollLeft;
        let clientTop = document.documentElement.clientTop || document.body.clientTop || 0;
        let clientLeft = document.documentElement.clientLeft || document.body.clientLeft || 0;
        let top  = xBox.top + scrollTop - clientTop;
        let left = xBox.left + scrollLeft - clientLeft;
        let bottom = xBox.bottom + scrollTop - clientTop;
        let right = xBox.right + scrollLeft - clientLeft;
        return { top: Math.round(top), left: Math.round(left), bottom: Math.round(bottom), right: Math.round(right) };
    }
};


function autoRefreshOption (oSavedOptions=null) {
    // auto recallable function
    if (oSavedOptions === null) {
................................................................................
    getListOfTokens: function (sText) {
        this.xConnect.postMessage({ sCommand: "getListOfTokens", oParam: { sText: sText }, oInfo: {} });
    },

    parseFull: function (sText) {
        this.xConnect.postMessage({
            sCommand: "parseFull",
            oParam: { sText: sText, sCountry: "FR", bDebug: false, bContext: false },
            oInfo: {}
        });
    },

    getVerb: function (sVerb, bStart=true, bPro=false, bNeg=false, bTpsCo=false, bInt=false, bFem=false) {
        this.xConnect.postMessage({
            sCommand: "getVerb",
................................................................................
    },

    /*
        Messages from the background
    */
    listen: function () {
        this.xConnect.onMessage.addListener(function (oMessage) {
            let { sActionDone, result, oInfo, bEnd, bError } = oMessage;
            switch (sActionDone) {
                case "init":
                    oGrammalecte.sExtensionUrl = oMessage.sUrl;
                    oGrammalecte.listen();
                    oGrammalecte.createButton();

                    break;
                case "parseAndSpellcheck":
                    if (oInfo.sDestination == "__GrammalectePanel__") {
                        if (!bEnd) {
                            oGrammalecte.oGCPanel.addParagraphResult(result);
                        } else {
                            oGrammalecte.oGCPanel.stopWaitIcon();

Modified gc_lang/fr/webext/content_scripts/menu.css from [949d2c4a43] to [caed9e4799].

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/*
    CSS
    Button and menu for Grammalecte
*/

/*
    Button
*/
div.grammalecte_menu_main_button {
    all: initial;
    position: absolute;
    box-sizing: border-box;
    display: none;
    margin: -8px 0 0 -8px;
    width: 16px;
    height: 16px;
    background-color: hsla(210, 80%, 95%, .5);
    border: 3px solid hsla(210, 80%, 50%, .9);
    border-top: 3px solid hsla(210, 80%, 90%, .9);
    border-left: 3px solid hsla(210, 80%, 90%, .9);
    border-radius: 50%;
................................................................................
        box-shadow: 0 0 0 10px hsla(210, 50%, 50%, 0);
    }
    100% {
        transform: rotate(360deg) scale(1);
        box-shadow: 0 0 0 0 hsla(210, 50%, 50%, 0);
    }
}


/*
    Menu
*/
div.grammalecte_menu {
    all: initial;
    display: none;
    position: absolute;
    margin-left: -10px;
    border-radius: 5px;
    border: 3px solid hsl(210, 50%, 30%);
    box-shadow: 0px 0px 2px hsla(210, 10%, 10%, .5);
    background-color: hsl(210, 50%, 30%);
    font-family: "Trebuchet MS", "Fira Sans", "Ubuntu Condensed", "Liberation Sans", sans-serif;
    z-index: 2147483640; /* maximum is 2147483647: https://stackoverflow.com/questions/491052/minimum-and-maximum-value-of-z-index */
    text-align: left;
    width: 220px;
}

@media print {
    .grammalecte_menu { display: none; }
}

div.grammalecte_menu > div {
    line-height: 21px;
}
div.grammalecte_menu > div.grammalecte_menu_close_button {
    line-height: 18px;
}

div.grammalecte_menu_close_button {
    float: right;
    margin: 2px 2px 0 0;
    padding: 1px 5px;
    border-radius: 2px;
    background-color: hsl(0, 50%, 50%);
    color: hsl(0, 20%, 90%);
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
}
div.grammalecte_menu_close_button:hover {
    background-color: hsl(0, 60%, 50%);
    color: hsl(0, 30%, 96%);
}

div.grammalecte_menu_item {
    padding: 3px 10px;
    background-color: hsl(210, 50%, 40%);
    font-size: 14px;
    color: hsl(210, 50%, 92%);
    cursor: pointer;
}
div.grammalecte_menu_item:hover {
    background-color: hsl(210, 50%, 45%);
    color: hsl(210, 50%, 100%);
}

div.grammalecte_menu_item_block {
    padding: 3px 10px;
    background-color: hsl(210, 50%, 40%);
    font-size: 14px;
    color: hsl(210, 50%, 92%);
    border-top: 1px solid hsl(210, 50%, 30%);
    border-radius: 0 0 3px 3px;
}

div.grammalecte_menu_button {
    display: inline-block;
    padding: 0 5px;
    margin-left: 10px;
    border-radius: 2px;
    background-color: hsl(210, 50%, 45%);
    font-size: 12px;
    line-height: 1.6;
    text-align: center;
    cursor: pointer;
}
div.grammalecte_menu_button:hover {
    background-color: hsl(210, 50%, 50%);
}

div.grammalecte_menu_header {
    padding: 2px 10px;
    background-color: hsl(210, 50%, 30%);
    background-image:  url('data:image/png;base64,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');
    background-repeat: no-repeat;
    background-position: 10% 50%;
    font-size: 16px;
    font-family: "Trebuchet MS", "Fira Sans", "Ubuntu Condensed", "Liberation Sans", sans-serif;
    color: hsl(210, 50%, 90%);
    text-shadow: 0px 0px 2px hsla(210, 10%, 10%, .9);
    text-align: center;
}
div.grammalecte_menu_footer {
    padding: 2px 10px;
    background-color: hsl(210, 50%, 30%);
}


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/*
    CSS
    Button for Grammalecte
*/




div.grammalecte_menu_main_button {
    all: initial;
    position: absolute;
    box-sizing: border-box;
    display: none;
    margin: -12px 0 0 -12px;
    width: 16px;
    height: 16px;
    background-color: hsla(210, 80%, 95%, .5);
    border: 3px solid hsla(210, 80%, 50%, .9);
    border-top: 3px solid hsla(210, 80%, 90%, .9);
    border-left: 3px solid hsla(210, 80%, 90%, .9);
    border-radius: 50%;
................................................................................
        box-shadow: 0 0 0 10px hsla(210, 50%, 50%, 0);
    }
    100% {
        transform: rotate(360deg) scale(1);
        box-shadow: 0 0 0 0 hsla(210, 50%, 50%, 0);
    }
}



































































































Modified gc_lang/fr/webext/content_scripts/menu.js from [628a40a497] to [85adf4425a].

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/* jshint esversion:6, -W097 */
/* jslint esversion:6 */
/* global oGrammalecte, showError, window, document */

"use strict";


class GrammalecteButton {

    constructor (nMenu, xNode) {
        this.xNode = xNode;

        this.xButton = oGrammalecte.createNode("div", {className: "grammalecte_menu_main_button", textContent: " "});
        this.xButton.onclick = () => {

            oGrammalecte.startGCPanel(this.xNode);
        };
        this.xButton.style.zIndex = (xNode.style.zIndex.search(/^[0-9]+$/) !== -1) ? (parseInt(xNode.style.zIndex) + 1).toString() : xNode.style.zIndex;



        this.bShadow = document.body.createShadowRoot || document.body.attachShadow;
        if (this.bShadow) {
            this.xShadowBtn = oGrammalecte.createNode("div", {style: "display:none;position:absolute;width:0;height:0;"});
            this.xShadowBtnNode = this.xShadowBtn.attachShadow({mode: "open"});
            oGrammalecte.createStyle("content_scripts/menu.css", null, this.xShadowBtnNode);
            this.xShadowBtnNode.appendChild(this.xButton);
            this._insert(this.xShadowBtn);
        } else {
            if (!document.getElementById("grammalecte_cssmenu")) {
                oGrammalecte.createStyle("content_scripts/menu.css", "grammalecte_cssmenu", document.head);
            }
            this._insert(this.xButton);
        }


        this._listen();


    }

    _insert (xNewNode) {
        // insertion
        let xReferenceNode = this.xNode;
        if (this.xNode.classList.contains('rich-editor')) {
            xReferenceNode = this.xNode.parentNode;
        }



        xReferenceNode.parentNode.insertBefore(xNewNode, xReferenceNode.nextSibling);
        // offset
        let nNodeMarginBottom = parseInt(window.getComputedStyle(this.xNode).marginBottom.replace('px', ''), 10);
        let nMarginTop = (this.bShadow) ? -1 * nNodeMarginBottom : -1 * (8 + nNodeMarginBottom);
        xNewNode.style.marginTop = nMarginTop + "px";

    }






    _listen () {
        this.xNode.addEventListener('focus', (e) => {
            if (this.bShadow) {





                this.xShadowBtn.style.display = "block";
            }



            this.xButton.style.display = "block";
        });
        /*this.xNode.addEventListener('blur', (e) => {
            window.setTimeout(() => { this.xButton.style.display = "none"; }, 300);
        });*/
    }

    deleteNodes () {


        if (this.bShadow) {




            this.xShadowBtn.parentNode.removeChild(this.xShadowBtn);

        } else {



            this.xButton.parentNode.removeChild(this.xButton);
        }
    }
}







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/* jshint esversion:6, -W097 */
/* jslint esversion:6 */
/* global oGrammalecte, showError, window, document */

"use strict";


class GrammalecteButton {

    constructor () {

        // the pearl button
        this.xButton = oGrammalecte.createNode("div", { className: "grammalecte_menu_main_button", textContent: " " });
        this.xButton.onclick = () => {
            if (this.xTextNode) {
                oGrammalecte.startGCPanel(this.xTextNode);


            }
        };
        // about the text node
        this.xTextNode = null;
        // read user config
        this._bTextArea = true;
        this._bEditableNode = true;
        this._bIframe = false;
        if (bChrome) {
            browser.storage.local.get("ui_options", this.setOptions.bind(this));
        } else {
            browser.storage.local.get("ui_options").then(this.setOptions.bind(this), showError);

        }

    }

    setOptions (oOptions) {
        if (oOptions.hasOwnProperty("ui_options")) {
            this._bTextArea = oOptions.ui_options.textarea;
            this._bEditableNode = oOptions.ui_options.editablenode;
        }
    }






    examineNode (xNode) {
        if (xNode && xNode instanceof HTMLElement
                && ( ((xNode.tagName == "TEXTAREA" || xNode.tagName == "INPUT") && this._bTextArea && xNode.getAttribute("spellcheck") !== "false")
                    || (xNode.isContentEditable && this._bEditableNode)
                    || (xNode.tagName == "IFRAME" && this._bIframe) )
                && xNode.style.display !== "none" && xNode.style.visibility !== "hidden"
                && !(xNode.dataset.grammalecte_button  &&  xNode.dataset.grammalecte_button == "false")) {
            this.xTextNode = xNode;
            this.show()
        }
        else {
            this.xTextNode = null;
            this.hide();
        }
    }

    show () {

        if (this.xTextNode) {
            this.xButton.style.display = "none"; // we hide it before showing it again to relaunch the animation
            let oCoord = oGrammalecte.getElementCoord(this.xTextNode);
            //console.log("top:", oCoord.left, "bottom:", oCoord.top, "left:", oCoord.bottom, "right:", oCoord.right);
            this.xButton.style.top = `${oCoord.bottom}px`;
            this.xButton.style.left = `${oCoord.left}px`;
            this.xButton.style.display = "block";
        }
    }

    hide () {
        this.xButton.style.display = "none";




    }


    insertIntoPage () {
        this.bShadow = document.body.createShadowRoot || document.body.attachShadow;
        if (this.bShadow) {
            this.xShadowBtn = oGrammalecte.createNode("div", { style: "display:none; position:absolute; width:0; height:0;" });
            this.xShadowBtnNode = this.xShadowBtn.attachShadow({ mode: "open" });
            oGrammalecte.createStyle("content_scripts/menu.css", null, this.xShadowBtnNode);
            this.xShadowBtnNode.appendChild(this.xButton);
            document.body.appendChild(this.xShadowBtnNode);
        }
        else {
            if (!document.getElementById("grammalecte_cssmenu")) {
                oGrammalecte.createStyle("content_scripts/menu.css", "grammalecte_cssmenu", document.head);
            }
            document.body.appendChild(this.xButton);
        }
    }
}