/* 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";
// This is loaded into all XUL windows. Wrap in a block to prevent
// leaking to window scope.
{
const { LoginHelper } = ChromeUtils.importESModule(
"resource://gre/modules/LoginHelper.sys.mjs"
);
MozElements.MozAutocompleteRichlistitem = class MozAutocompleteRichlistitem extends (
MozElements.MozRichlistitem
) {
constructor() {
super();
/**
* This overrides listitem's mousedown handler because we want to set the
* selected item even when the shift or accel keys are pressed.
*/
this.addEventListener("mousedown", event => {
// Call this.control only once since it's not a simple getter.
let control = this.control;
if (!control || control.disabled) {
return;
}
if (!this.selected) {
control.selectItem(this);
}
control.currentItem = this;
});
this.addEventListener("mouseover", event => {
// The point of implementing this handler is to allow drags to change
// the selected item. If the user mouses down on an item, it becomes
// selected. If they then drag the mouse to another item, select it.
// Handle all three primary mouse buttons: right, left, and wheel, since
// all three change the selection on mousedown.
let mouseDown = event.buttons & 0b111;
if (!mouseDown) {
return;
}
// Call this.control only once since it's not a simple getter.
let control = this.control;
if (!control || control.disabled) {
return;
}
if (!this.selected) {
control.selectItem(this);
}
control.currentItem = this;
});
this.addEventListener("overflow", () => this._onOverflow());
this.addEventListener("underflow", () => this._onUnderflow());
}
connectedCallback() {
if (this.delayConnectedCallback()) {
return;
}
this.textContent = "";
this.appendChild(this.constructor.fragment);
this.initializeAttributeInheritance();
this._boundaryCutoff = null;
this._inOverflow = false;
this._adjustAcItem();
}
static get inheritedAttributes() {
return {
".ac-type-icon": "selected,current,type",
".ac-site-icon": "src=image,selected,type",
".ac-title": "selected",
".ac-title-text": "selected",
".ac-separator": "selected,type",
".ac-url": "selected",
".ac-url-text": "selected",
};
}
static get markup() {
return `
`;
}
get _typeIcon() {
return this.querySelector(".ac-type-icon");
}
get _titleText() {
return this.querySelector(".ac-title-text");
}
get _separator() {
return this.querySelector(".ac-separator");
}
get _urlText() {
return this.querySelector(".ac-url-text");
}
get _stringBundle() {
if (!this.__stringBundle) {
this.__stringBundle = Services.strings.createBundle(
"chrome://global/locale/autocomplete.properties"
);
}
return this.__stringBundle;
}
get boundaryCutoff() {
if (!this._boundaryCutoff) {
this._boundaryCutoff = Services.prefs.getIntPref(
"toolkit.autocomplete.richBoundaryCutoff"
);
}
return this._boundaryCutoff;
}
_cleanup() {
this.removeAttribute("url");
this.removeAttribute("image");
this.removeAttribute("title");
this.removeAttribute("text");
}
_onOverflow() {
this._inOverflow = true;
this._handleOverflow();
}
_onUnderflow() {
this._inOverflow = false;
this._handleOverflow();
}
_getBoundaryIndices(aText, aSearchTokens) {
// Short circuit for empty search ([""] == "")
if (aSearchTokens == "") {
return [0, aText.length];
}
// Find which regions of text match the search terms
let regions = [];
for (let search of Array.prototype.slice.call(aSearchTokens)) {
let matchIndex = -1;
let searchLen = search.length;
// Find all matches of the search terms, but stop early for perf
let lowerText = aText.substr(0, this.boundaryCutoff).toLowerCase();
while ((matchIndex = lowerText.indexOf(search, matchIndex + 1)) >= 0) {
regions.push([matchIndex, matchIndex + searchLen]);
}
}
// Sort the regions by start position then end position
regions = regions.sort((a, b) => {
let start = a[0] - b[0];
return start == 0 ? a[1] - b[1] : start;
});
// Generate the boundary indices from each region
let start = 0;
let end = 0;
let boundaries = [];
let len = regions.length;
for (let i = 0; i < len; i++) {
// We have a new boundary if the start of the next is past the end
let region = regions[i];
if (region[0] > end) {
// First index is the beginning of match
boundaries.push(start);
// Second index is the beginning of non-match
boundaries.push(end);
// Track the new region now that we've stored the previous one
start = region[0];
}
// Push back the end index for the current or new region
end = Math.max(end, region[1]);
}
// Add the last region
boundaries.push(start);
boundaries.push(end);
// Put on the end boundary if necessary
if (end < aText.length) {
boundaries.push(aText.length);
}
// Skip the first item because it's always 0
return boundaries.slice(1);
}
_getSearchTokens(aSearch) {
let search = aSearch.toLowerCase();
return search.split(/\s+/);
}
_setUpDescription(aDescriptionElement, aText) {
// Get rid of all previous text
if (!aDescriptionElement) {
return;
}
while (aDescriptionElement.hasChildNodes()) {
aDescriptionElement.firstChild.remove();
}
// Get the indices that separate match and non-match text
let search = this.getAttribute("text");
let tokens = this._getSearchTokens(search);
let indices = this._getBoundaryIndices(aText, tokens);
this._appendDescriptionSpans(
indices,
aText,
aDescriptionElement,
aDescriptionElement
);
}
_appendDescriptionSpans(
indices,
text,
spansParentElement,
descriptionElement
) {
let next;
let start = 0;
let len = indices.length;
// Even indexed boundaries are matches, so skip the 0th if it's empty
for (let i = indices[0] == 0 ? 1 : 0; i < len; i++) {
next = indices[i];
let spanText = text.substr(start, next - start);
start = next;
if (i % 2 == 0) {
// Emphasize the text for even indices
let span = spansParentElement.appendChild(
document.createElementNS("http://www.w3.org/1999/xhtml", "span")
);
this._setUpEmphasisSpan(span, descriptionElement);
span.textContent = spanText;
} else {
// Otherwise, it's plain text
spansParentElement.appendChild(document.createTextNode(spanText));
}
}
}
_setUpEmphasisSpan(aSpan, aDescriptionElement) {
aSpan.classList.add("ac-emphasize-text");
switch (aDescriptionElement) {
case this._titleText:
aSpan.classList.add("ac-emphasize-text-title");
break;
case this._urlText:
aSpan.classList.add("ac-emphasize-text-url");
break;
}
}
/**
* This will generate an array of emphasis pairs for use with
* _setUpEmphasisedSections(). Each pair is a tuple (array) that
* represents a block of text - containing the text of that block, and a
* boolean for whether that block should have an emphasis styling applied
* to it.
*
* These pairs are generated by parsing a localised string (aSourceString)
* with parameters, in the format that is used by
* nsIStringBundle.formatStringFromName():
*
* "textA %1$S textB textC %2$S"
*
* Or:
*
* "textA %S"
*
* Where "%1$S", "%2$S", and "%S" are intended to be replaced by provided
* replacement strings. These are specified an array of tuples
* (aReplacements), each containing the replacement text and a boolean for
* whether that text should have an emphasis styling applied. This is used
* as a 1-based array - ie, "%1$S" is replaced by the item in the first
* index of aReplacements, "%2$S" by the second, etc. "%S" will always
* match the first index.
*/
_generateEmphasisPairs(aSourceString, aReplacements) {
let pairs = [];
// Split on %S, %1$S, %2$S, etc. ie:
// "textA %S"
// becomes ["textA ", "%S"]
// "textA %1$S textB textC %2$S"
// becomes ["textA ", "%1$S", " textB textC ", "%2$S"]
let parts = aSourceString.split(/(%(?:[0-9]+\$)?S)/);
for (let part of parts) {
// The above regex will actually give us an empty string at the
// end - we don't want that, as we don't want to later generate an
// empty text node for it.
if (part.length === 0) {
continue;
}
// Determine if this token is a replacement token or a normal text
// token. If it is a replacement token, we want to extract the
// numerical number. However, we still want to match on "$S".
let match = part.match(/^%(?:([0-9]+)\$)?S$/);
if (match) {
// "%S" doesn't have a numerical number in it, but will always
// be assumed to be 1. Furthermore, the input string specifies
// these with a 1-based index, but we want a 0-based index.
let index = (match[1] || 1) - 1;
if (index >= 0 && index < aReplacements.length) {
pairs.push([...aReplacements[index]]);
}
} else {
pairs.push([part]);
}
}
return pairs;
}
/**
* _setUpEmphasisedSections() has the same use as _setUpDescription,
* except instead of taking a string and highlighting given tokens, it takes
* an array of pairs generated by _generateEmphasisPairs(). This allows
* control over emphasising based on specific blocks of text, rather than
* search for substrings.
*/
_setUpEmphasisedSections(aDescriptionElement, aTextPairs) {
// Get rid of all previous text
while (aDescriptionElement.hasChildNodes()) {
aDescriptionElement.firstChild.remove();
}
for (let [text, emphasise] of aTextPairs) {
if (emphasise) {
let span = aDescriptionElement.appendChild(
document.createElementNS("http://www.w3.org/1999/xhtml", "span")
);
span.textContent = text;
switch (emphasise) {
case "match":
this._setUpEmphasisSpan(span, aDescriptionElement);
break;
}
} else {
aDescriptionElement.appendChild(document.createTextNode(text));
}
}
}
_unescapeUrl(url) {
return Services.textToSubURI.unEscapeURIForUI(url);
}
_reuseAcItem() {
this.collapsed = false;
// The popup may have changed size between now and the last
// time the item was shown, so always handle over/underflow.
let dwu = window.windowUtils;
let popupWidth = dwu.getBoundsWithoutFlushing(this.parentNode).width;
if (!this._previousPopupWidth || this._previousPopupWidth != popupWidth) {
this._previousPopupWidth = popupWidth;
this.handleOverUnderflow();
}
}
_adjustAcItem() {
let originalUrl = this.getAttribute("ac-value");
let title = this.getAttribute("ac-comment");
this.setAttribute("url", originalUrl);
this.setAttribute("image", this.getAttribute("ac-image"));
this.setAttribute("title", title);
this.setAttribute("text", this.getAttribute("ac-text"));
let type = this.getAttribute("originaltype");
let types = new Set(type.split(/\s+/));
// Remove types that should ultimately not be in the `type` string.
types.delete("autofill");
type = [...types][0] || "";
this.setAttribute("type", type);
let displayUrl = this._unescapeUrl(originalUrl);
// Show the domain as the title if we don't have a title.
if (!title) {
try {
let uri = Services.io.newURI(originalUrl);
// Not all valid URLs have a domain.
if (uri.host) {
title = uri.host;
}
} catch (e) {}
if (!title) {
title = displayUrl;
}
}
if (Array.isArray(title)) {
this._setUpEmphasisedSections(this._titleText, title);
} else {
this._setUpDescription(this._titleText, title);
}
this._setUpDescription(this._urlText, displayUrl);
// Removing the max-width may be jarring when the item is visible, but
// we have no other choice to properly crop the text.
// Removing max-widths may cause overflow or underflow events, that
// will set the _inOverflow property. In case both the old and the new
// text are overflowing, the overflow event won't happen, and we must
// enforce an _handleOverflow() call to update the max-widths.
let wasInOverflow = this._inOverflow;
this._removeMaxWidths();
if (wasInOverflow && this._inOverflow) {
this._handleOverflow();
}
}
_removeMaxWidths() {
if (this._hasMaxWidths) {
this._titleText.style.removeProperty("max-width");
this._urlText.style.removeProperty("max-width");
this._hasMaxWidths = false;
}
}
/**
* This method truncates the displayed strings as necessary.
*/
_handleOverflow() {
let itemRect = this.parentNode.getBoundingClientRect();
let titleRect = this._titleText.getBoundingClientRect();
let separatorRect = this._separator.getBoundingClientRect();
let urlRect = this._urlText.getBoundingClientRect();
let separatorURLWidth = separatorRect.width + urlRect.width;
// Total width for the title and URL is the width of the item
// minus the start of the title text minus a little optional extra padding.
// This extra padding amount is basically arbitrary but keeps the text
// from getting too close to the popup's edge.
let dir = this.getAttribute("dir");
let titleStart =
dir == "rtl"
? itemRect.right - titleRect.right
: titleRect.left - itemRect.left;
let popup = this.parentNode.parentNode;
let itemWidth =
itemRect.width -
titleStart -
popup.overflowPadding -
(popup.margins ? popup.margins.end : 0);
let titleWidth = titleRect.width;
if (titleWidth + separatorURLWidth > itemWidth) {
// The percentage of the item width allocated to the title.
let titlePct = 0.66;
let titleAvailable = itemWidth - separatorURLWidth;
let titleMaxWidth = Math.max(titleAvailable, itemWidth * titlePct);
if (titleWidth > titleMaxWidth) {
this._titleText.style.maxWidth = titleMaxWidth + "px";
}
let urlMaxWidth = Math.max(
itemWidth - titleWidth,
itemWidth * (1 - titlePct)
);
urlMaxWidth -= separatorRect.width;
this._urlText.style.maxWidth = urlMaxWidth + "px";
this._hasMaxWidths = true;
}
}
handleOverUnderflow() {
this._removeMaxWidths();
this._handleOverflow();
}
};
MozXULElement.implementCustomInterface(
MozElements.MozAutocompleteRichlistitem,
[Ci.nsIDOMXULSelectControlItemElement]
);
class MozAutocompleteRichlistitemInsecureWarning extends MozElements.MozAutocompleteRichlistitem {
constructor() {
super();
this.addEventListener("click", event => {
if (event.button != 0) {
return;
}
let baseURL = Services.urlFormatter.formatURLPref(
"app.support.baseURL"
);
window.openTrustedLinkIn(baseURL + "insecure-password", "tab", {
relatedToCurrent: true,
});
});
}
connectedCallback() {
if (this.delayConnectedCallback()) {
return;
}
super.connectedCallback();
// Unlike other autocomplete items, the height of the insecure warning
// increases by wrapping. So "forceHandleUnderflow" is for container to
// recalculate an item's height and width.
this.classList.add("forceHandleUnderflow");
}
static get inheritedAttributes() {
return {
".ac-type-icon": "selected,current,type",
".ac-site-icon": "src=image,selected,type",
".ac-title-text": "selected",
".ac-separator": "selected,type",
".ac-url": "selected",
".ac-url-text": "selected",
};
}
static get markup() {
return `
`;
}
get _learnMoreString() {
if (!this.__learnMoreString) {
this.__learnMoreString = Services.strings
.createBundle("chrome://passwordmgr/locale/passwordmgr.properties")
.GetStringFromName("insecureFieldWarningLearnMore");
}
return this.__learnMoreString;
}
/**
* Override _getSearchTokens to have the Learn More text emphasized
*/
_getSearchTokens(aSearch) {
return [this._learnMoreString.toLowerCase()];
}
}
class MozAutocompleteRichlistitemLoginsFooter extends MozElements.MozAutocompleteRichlistitem {}
class MozAutocompleteImportableLearnMoreRichlistitem extends MozElements.MozAutocompleteRichlistitem {
constructor() {
super();
MozXULElement.insertFTLIfNeeded("toolkit/main-window/autocomplete.ftl");
}
static get markup() {
return `
`;
}
// Override to avoid clearing out fluent description.
_setUpDescription() {}
}
class MozAutocompleteTwoLineRichlistitem extends MozElements.MozRichlistitem {
connectedCallback() {
if (this.delayConnectedCallback()) {
return;
}
this.textContent = "";
this.appendChild(this.constructor.fragment);
this.initializeAttributeInheritance();
this._adjustAcItem();
}
static get inheritedAttributes() {
return {
// getLabelAt:
".line1-label": "text=ac-value",
// getCommentAt:
".line2-label": "text=ac-label",
};
}
static get markup() {
return `
`;
}
_adjustAcItem() {}
_onOverflow() {}
_onUnderflow() {}
handleOverUnderflow() {}
}
class MozAutocompleteGenericRichlistitem extends MozAutocompleteTwoLineRichlistitem {
static get inheritedAttributes() {
return {};
}
_adjustAcItem() {
super._adjustAcItem();
try {
const details = JSON.parse(this.getAttribute("ac-label"));
this.querySelector(".ac-site-icon").src = details.icon;
this.querySelector(".line1-label").textContent = details.title;
this.querySelector(".line2-label").textContent = details.subtitle;
} catch {
// Update item content only when expected JSON is provided
}
}
}
class MozAutocompleteLoginRichlistitem extends MozAutocompleteTwoLineRichlistitem {
connectedCallback() {
super.connectedCallback();
this.querySelector(".ac-settings-button").addEventListener(
"mousedown",
event => {
event.stopPropagation();
const details = JSON.parse(this.getAttribute("ac-label"));
LoginHelper.openPasswordManager(window, {
loginGuid: details?.guid,
});
}
);
}
static get inheritedAttributes() {
return {
// getLabelAt:
".line1-label": "text=ac-value",
// Don't inherit ac-label with getCommentAt since the label is JSON.
};
}
static get markup() {
return `
`;
}
_adjustAcItem() {
super._adjustAcItem();
let details = JSON.parse(this.getAttribute("ac-label"));
this.querySelector(".line2-label").textContent = details.comment;
this.querySelector(
".ac-site-icon"
).src = `page-icon:${details.login?.origin}`;
}
}
class MozAutocompleteGeneratedPasswordRichlistitem extends MozAutocompleteTwoLineRichlistitem {
constructor() {
super();
// Line 2 and line 3 both display text with a different line-height than
// line 1 but we want the line-height to be the same so we wrap the text
// in and only adjust the line-height via font CSS properties on them.
this.generatedPasswordText = document.createElement("span");
this.line3Text = document.createElement("span");
this.line3 = document.createElement("div");
this.line3.className = "label-row generated-password-autosave";
this.line3.append(this.line3Text);
}
get _autoSaveString() {
if (!this.__autoSaveString) {
let brandShorterName = Services.strings
.createBundle("chrome://branding/locale/brand.properties")
.GetStringFromName("brandShorterName");
this.__autoSaveString = Services.strings
.createBundle("chrome://passwordmgr/locale/passwordmgr.properties")
.formatStringFromName("generatedPasswordWillBeSaved", [
brandShorterName,
]);
}
return this.__autoSaveString;
}
_adjustAcItem() {
let { generatedPassword, willAutoSaveGeneratedPassword } = JSON.parse(
this.getAttribute("ac-label")
);
let line2Label = this.querySelector(".line2-label");
line2Label.textContent = "";
this.generatedPasswordText.textContent = generatedPassword;
line2Label.append(this.generatedPasswordText);
if (willAutoSaveGeneratedPassword) {
this.line3Text.textContent = this._autoSaveString;
this.querySelector(".labels-wrapper").append(this.line3);
} else {
this.line3.remove();
}
super._adjustAcItem();
}
}
class MozAutocompleteImportableLoginsRichlistitem extends MozAutocompleteTwoLineRichlistitem {
constructor() {
super();
MozXULElement.insertFTLIfNeeded("toolkit/main-window/autocomplete.ftl");
}
static get inheritedAttributes() {
return {
// getLabelAt:
".line1-label": "text=ac-value",
// Don't inherit ac-label with getCommentAt since the label is JSON.
};
}
static get markup() {
return `
`;
}
_adjustAcItem() {
super._adjustAcItem();
document.l10n.setAttributes(
this.querySelector(".labels-wrapper"),
`autocomplete-import-logins-${this.getAttribute("ac-value")}`,
{
host: JSON.parse(this.getAttribute("ac-label")).hostname.replace(
/^www\./,
""
),
}
);
}
}
customElements.define(
"autocomplete-richlistitem",
MozElements.MozAutocompleteRichlistitem,
{
extends: "richlistitem",
}
);
customElements.define(
"autocomplete-generic-richlistitem",
MozAutocompleteGenericRichlistitem,
{
extends: "richlistitem",
}
);
customElements.define(
"autocomplete-richlistitem-insecure-warning",
MozAutocompleteRichlistitemInsecureWarning,
{
extends: "richlistitem",
}
);
customElements.define(
"autocomplete-richlistitem-logins-footer",
MozAutocompleteRichlistitemLoginsFooter,
{
extends: "richlistitem",
}
);
customElements.define(
"autocomplete-two-line-richlistitem",
MozAutocompleteTwoLineRichlistitem,
{
extends: "richlistitem",
}
);
customElements.define(
"autocomplete-login-richlistitem",
MozAutocompleteLoginRichlistitem,
{
extends: "richlistitem",
}
);
customElements.define(
"autocomplete-generated-password-richlistitem",
MozAutocompleteGeneratedPasswordRichlistitem,
{
extends: "richlistitem",
}
);
customElements.define(
"autocomplete-importable-learn-more-richlistitem",
MozAutocompleteImportableLearnMoreRichlistitem,
{
extends: "richlistitem",
}
);
customElements.define(
"autocomplete-importable-logins-richlistitem",
MozAutocompleteImportableLoginsRichlistitem,
{
extends: "richlistitem",
}
);
}