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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 { AppConstants } = ChromeUtils.importESModule(
"resource://gre/modules/AppConstants.sys.mjs"
);
function AppPicker() {}
AppPicker.prototype = {
// Class members
_incomingParams: null,
/**
* Init the dialog and populate the application list
*/
appPickerLoad: function appPickerLoad() {
const nsILocalHandlerApp = Ci.nsILocalHandlerApp;
document.addEventListener("dialogaccept", function () {
g_dialog.appPickerOK();
});
document.addEventListener("dialogcancel", function () {
g_dialog.appPickerCancel();
});
document.addEventListener("dialogextra2", function () {
g_dialog.appPickerBrowse();
});
this._incomingParams = window.arguments[0];
this._incomingParams.handlerApp = null;
document.title = this._incomingParams.title;
// Header creation - at the very least, we must have
// a mime type:
//
// (icon) Zip File
// (icon) filename
//
// (icon) Web Feed
// (icon) mime/type
//
// (icon) mime/type
// (icon)
var mimeInfo = this._incomingParams.mimeInfo;
var filename = this._incomingParams.filename;
if (!filename) {
filename = mimeInfo.MIMEType;
}
var description = this._incomingParams.description;
if (!description) {
description = filename;
filename = "";
}
// Setup the dialog header information
document
.getElementById("content-description")
.setAttribute("value", description);
document
.getElementById("suggested-filename")
.setAttribute("value", filename || "");
document
.getElementById("content-icon")
.setAttribute(
"src",
"moz-icon://" + filename + "?size=32&contentType=" + mimeInfo.MIMEType
);
// Grab a list of nsILocalHandlerApp application helpers to list
var fileList = mimeInfo.possibleLocalHandlers;
var list = document.getElementById("app-picker-listbox");
var primaryCount = 0;
if (!fileList || !fileList.length) {
// display a message saying nothing is configured
document.getElementById("app-picker-notfound").removeAttribute("hidden");
return;
}
for (var idx = 0; idx < fileList.length; idx++) {
var file = fileList.queryElementAt(idx, nsILocalHandlerApp);
try {
if (!file.executable || !file.executable.isFile()) {
continue;
}
} catch (err) {
continue;
}
var item = document.createXULElement("richlistitem");
item.handlerApp = file;
list.appendChild(item);
var image = document.createXULElement("image");
image.setAttribute("src", this.getFileIconURL(file.executable));
item.appendChild(image);
var label = document.createXULElement("label");
label.setAttribute("value", this.getFileDisplayName(file.executable));
item.appendChild(label);
primaryCount++;
}
if (primaryCount == 0) {
// display a message saying nothing is configured
document.getElementById("app-picker-notfound").removeAttribute("hidden");
}
},
/**
* Retrieve the moz-icon for the app
*/
getFileIconURL: function getFileIconURL(file) {
const nsIFileProtocolHandler = Ci.nsIFileProtocolHandler;
var fph = Services.io
.getProtocolHandler("file")
.QueryInterface(nsIFileProtocolHandler);
if (!fph) {
return "";
}
var urlSpec = fph.getURLSpecFromActualFile(file);
return "moz-icon://" + urlSpec + "?size=32";
},
/**
* Retrieve the pretty description from the file
*/
getFileDisplayName: function getFileDisplayName(file) {
if (AppConstants.platform == "win") {
if (file instanceof Ci.nsILocalFileWin) {
try {
return file.getVersionInfoField("FileDescription");
} catch (e) {}
}
} else if (AppConstants.platform == "macosx") {
if (file instanceof Ci.nsILocalFileMac) {
try {
return file.bundleDisplayName;
} catch (e) {}
}
}
return file.leafName;
},
/**
* Double click accepts an app
*/
appDoubleClick: function appDoubleClick() {
var list = document.getElementById("app-picker-listbox");
var selItem = list.selectedItem;
if (!selItem) {
this._incomingParams.handlerApp = null;
return true;
}
this._incomingParams.handlerApp = selItem.handlerApp;
window.close();
return true;
},
appPickerOK: function appPickerOK() {
if (this._incomingParams.handlerApp) {
return;
}
var list = document.getElementById("app-picker-listbox");
var selItem = list.selectedItem;
if (!selItem) {
this._incomingParams.handlerApp = null;
return;
}
this._incomingParams.handlerApp = selItem.handlerApp;
},
appPickerCancel: function appPickerCancel() {
this._incomingParams.handlerApp = null;
},
/**
* User browse for an app.
*/
appPickerBrowse: function appPickerBrowse() {
var nsIFilePicker = Ci.nsIFilePicker;
var fp = Cc["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);
fp.init(
window.browsingContext,
this._incomingParams.title,
nsIFilePicker.modeOpen
);
fp.appendFilters(nsIFilePicker.filterApps);
var startLocation;
if (AppConstants.platform == "win") {
startLocation = "ProgF"; // Program Files
} else if (AppConstants.platform == "macosx") {
startLocation = "LocApp"; // Local Applications
} else {
startLocation = "Home";
}
fp.displayDirectory = Services.dirsvc.get(startLocation, Ci.nsIFile);
fp.open(rv => {
if (rv == nsIFilePicker.returnOK && fp.file) {
var localHandlerApp = Cc[
"@mozilla.org/uriloader/local-handler-app;1"
].createInstance(Ci.nsILocalHandlerApp);
localHandlerApp.executable = fp.file;
this._incomingParams.handlerApp = localHandlerApp;
window.close();
}
});
},
};
// Global object
var g_dialog = new AppPicker();