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/* 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
const { PrivateBrowsingUtils } = ChromeUtils.importESModule(
"resource://gre/modules/PrivateBrowsingUtils.sys.mjs"
);
const { EnableDelayHelper } = ChromeUtils.importESModule(
"resource://gre/modules/PromptUtils.sys.mjs"
);
class MozHandler extends window.MozElements.MozRichlistitem {
static get markup() {
return `
<vbox pack="center">
<html:img alt="" height="32" width="32" loading="lazy" />
</vbox>
<vbox flex="1">
<label class="name"/>
<label class="description"/>
</vbox>
`;
}
connectedCallback() {
this.textContent = "";
this.appendChild(this.constructor.fragment);
this.initializeAttributeInheritance();
}
static get inheritedAttributes() {
return {
img: "src=image,disabled",
".name": "value=name,disabled",
".description": "value=description,disabled",
};
}
get label() {
return `${this.getAttribute("name")} ${this.getAttribute("description")}`;
}
}
customElements.define("mozapps-handler", MozHandler, {
extends: "richlistitem",
});
window.addEventListener("DOMContentLoaded", () => dialog.initialize(), {
once: true,
});
let dialog = {
/**
* This function initializes the content of the dialog.
*/
initialize() {
let args = window.arguments[0].wrappedJSObject || window.arguments[0];
let { handler, outArgs, usePrivateBrowsing, enableButtonDelay } = args;
this._handlerInfo = handler.QueryInterface(Ci.nsIHandlerInfo);
this._outArgs = outArgs;
this.isPrivate =
usePrivateBrowsing ||
(window.opener && PrivateBrowsingUtils.isWindowPrivate(window.opener));
this._dialog = document.querySelector("dialog");
this._itemChoose = document.getElementById("item-choose");
this._rememberCheck = document.getElementById("remember");
// Register event listener for the checkbox hint.
this._rememberCheck.addEventListener("change", () => this.onCheck());
document.addEventListener("dialogaccept", () => {
this.onAccept();
});
// UI is ready, lets populate our list
this.populateList();
this.initL10n();
if (enableButtonDelay) {
this._delayHelper = new EnableDelayHelper({
disableDialog: () => {
this._acceptBtnDisabled = true;
this.updateAcceptButton();
},
enableDialog: () => {
this._acceptBtnDisabled = false;
this.updateAcceptButton();
},
focusTarget: window,
});
}
},
initL10n() {
let rememberLabel = document.getElementById("remember-label");
document.l10n.setAttributes(rememberLabel, "chooser-dialog-remember", {
scheme: this._handlerInfo.type,
});
let description = document.getElementById("description");
document.l10n.setAttributes(description, "chooser-dialog-description", {
scheme: this._handlerInfo.type,
});
},
/**
* Populates the list that a user can choose from.
*/
populateList: function populateList() {
var items = document.getElementById("items");
var possibleHandlers = this._handlerInfo.possibleApplicationHandlers;
var preferredHandler = this._handlerInfo.preferredApplicationHandler;
for (let i = possibleHandlers.length - 1; i >= 0; --i) {
let app = possibleHandlers.queryElementAt(i, Ci.nsIHandlerApp);
let elm = document.createXULElement("richlistitem", {
is: "mozapps-handler",
});
elm.setAttribute("name", app.name);
elm.obj = app;
// We defer loading the favicon so it doesn't delay load. The dialog is
// opened in a SubDialog which will only show on window load.
if (app instanceof Ci.nsIGIOHandlerApp) {
elm.setAttribute("image", "moz-icon://" + app.id + "?size=32");
} else if (app instanceof Ci.nsILocalHandlerApp) {
// See if we have an nsILocalHandlerApp and set the icon
let uri = Services.io.newFileURI(app.executable);
elm.setAttribute("image", "moz-icon://" + uri.spec + "?size=32");
} else if (app instanceof Ci.nsIWebHandlerApp) {
let uri = Services.io.newURI(app.uriTemplate);
if (/^https?$/.test(uri.scheme)) {
// Unfortunately we can't use the favicon service to get the favicon,
// because the service looks for a record with the exact URL we give
// it, and users won't have such records for URLs they don't visit,
// and users won't visit the handler's URL template, they'll only
// visit URLs derived from that template (i.e. with %s in the template
// replaced by the URL of the content being handled).
elm.setAttribute("image", uri.prePath + "/favicon.ico");
}
elm.setAttribute("description", uri.prePath);
// Check for extensions needing private browsing access before
// creating UI elements.
if (this.isPrivate) {
let policy = WebExtensionPolicy.getByURI(uri);
if (policy && !policy.privateBrowsingAllowed) {
elm.setAttribute("disabled", true);
this.getPrivateBrowsingDisabledLabel().then(label => {
elm.setAttribute("description", label);
});
if (app == preferredHandler) {
preferredHandler = null;
}
}
}
} else if (app instanceof Ci.nsIDBusHandlerApp) {
elm.setAttribute("description", app.method);
} else if (!(app instanceof Ci.nsIGIOMimeApp)) {
// We support GIO application handler, but no action required there
throw new Error("unknown handler type");
}
items.insertBefore(elm, this._itemChoose);
if (preferredHandler && app == preferredHandler) {
this.selectedItem = elm;
}
}
if (this._handlerInfo.hasDefaultHandler) {
let elm = document.createXULElement("richlistitem", {
is: "mozapps-handler",
});
elm.id = "os-default-handler";
elm.setAttribute("name", this._handlerInfo.defaultDescription);
items.insertBefore(elm, items.firstChild);
if (
this._handlerInfo.preferredAction == Ci.nsIHandlerInfo.useSystemDefault
) {
this.selectedItem = elm;
}
}
// Add gio handlers
if (Cc["@mozilla.org/gio-service;1"]) {
let gIOSvc = Cc["@mozilla.org/gio-service;1"].getService(
Ci.nsIGIOService
);
var gioApps = gIOSvc.getAppsForURIScheme(this._handlerInfo.type);
for (let handler of gioApps.enumerate(Ci.nsIHandlerApp)) {
// OS handler share the same name, it's most likely the same app, skipping...
if (handler.name == this._handlerInfo.defaultDescription) {
continue;
}
// Check if the handler is already in possibleHandlers
let appAlreadyInHandlers = false;
for (let i = possibleHandlers.length - 1; i >= 0; --i) {
let app = possibleHandlers.queryElementAt(i, Ci.nsIHandlerApp);
// nsGIOMimeApp::Equals is able to compare with nsILocalHandlerApp
if (handler.equals(app)) {
appAlreadyInHandlers = true;
break;
}
}
if (!appAlreadyInHandlers) {
let elm = document.createXULElement("richlistitem", {
is: "mozapps-handler",
});
elm.setAttribute("name", handler.name);
elm.obj = handler;
items.insertBefore(elm, this._itemChoose);
}
}
}
items.ensureSelectedElementIsVisible();
},
/**
* Brings up a filepicker and allows a user to choose an application.
*/
async chooseApplication() {
let title = await this.getChooseAppWindowTitle();
var fp = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
fp.init(window.browsingContext, title, Ci.nsIFilePicker.modeOpen);
fp.appendFilters(Ci.nsIFilePicker.filterApps);
fp.open(rv => {
if (rv == Ci.nsIFilePicker.returnOK && fp.file) {
let uri = Services.io.newFileURI(fp.file);
let handlerApp = Cc[
"@mozilla.org/uriloader/local-handler-app;1"
].createInstance(Ci.nsILocalHandlerApp);
handlerApp.executable = fp.file;
// if this application is already in the list, select it and don't add it again
let parent = document.getElementById("items");
for (let i = 0; i < parent.childNodes.length; ++i) {
let elm = parent.childNodes[i];
if (
elm.obj instanceof Ci.nsILocalHandlerApp &&
elm.obj.equals(handlerApp)
) {
parent.selectedItem = elm;
parent.ensureSelectedElementIsVisible();
return;
}
}
let elm = document.createXULElement("richlistitem", {
is: "mozapps-handler",
});
elm.setAttribute("name", fp.file.leafName);
elm.setAttribute("image", "moz-icon://" + uri.spec + "?size=32");
elm.obj = handlerApp;
parent.selectedItem = parent.insertBefore(elm, parent.firstChild);
parent.ensureSelectedElementIsVisible();
}
});
},
/**
* Function called when the OK button is pressed.
*/
onAccept() {
this.updateHandlerData(this._rememberCheck.checked);
this._outArgs.setProperty("openHandler", true);
},
/**
* Determines if the accept button should be disabled or not
*/
updateAcceptButton() {
this._dialog.setAttribute(
"buttondisabledaccept",
this._acceptBtnDisabled || this._itemChoose.selected
);
},
/**
* Update the handler info to reflect the user choice.
* @param {boolean} skipAsk - Whether we should persist the application
* choice and skip asking next time.
*/
updateHandlerData(skipAsk) {
// We need to make sure that the default is properly set now
if (this.selectedItem.obj) {
// default OS handler doesn't have this property
this._outArgs.setProperty(
"preferredAction",
Ci.nsIHandlerInfo.useHelperApp
);
this._outArgs.setProperty(
"preferredApplicationHandler",
this.selectedItem.obj
);
} else {
this._outArgs.setProperty(
"preferredAction",
Ci.nsIHandlerInfo.useSystemDefault
);
}
this._outArgs.setProperty("alwaysAskBeforeHandling", !skipAsk);
},
/**
* Updates the UI based on the checkbox being checked or not.
*/
onCheck() {
if (document.getElementById("remember").checked) {
document.getElementById("remember-text").setAttribute("visible", "true");
} else {
document.getElementById("remember-text").removeAttribute("visible");
}
},
/**
* Function called when the user double clicks on an item of the list
*/
onDblClick: function onDblClick() {
if (this.selectedItem == this._itemChoose) {
this.chooseApplication();
} else {
this._dialog.acceptDialog();
}
},
// Getters / Setters
/**
* Returns/sets the selected element in the richlistbox
*/
get selectedItem() {
return document.getElementById("items").selectedItem;
},
set selectedItem(aItem) {
document.getElementById("items").selectedItem = aItem;
},
/**
* Lazy l10n getter for the title of the app chooser window
*/
async getChooseAppWindowTitle() {
if (!this._chooseAppWindowTitle) {
this._chooseAppWindowTitle = await document.l10n.formatValues([
"choose-other-app-window-title",
]);
}
return this._chooseAppWindowTitle;
},
/**
* Lazy l10n getter for handler menu items which are disabled due to private
* browsing.
*/
async getPrivateBrowsingDisabledLabel() {
if (!this._privateBrowsingDisabledLabel) {
this._privateBrowsingDisabledLabel = await document.l10n.formatValues([
"choose-dialog-privatebrowsing-disabled",
]);
}
return this._privateBrowsingDisabledLabel;
},
};