130 lines
No EOL
3.7 KiB
JavaScript
130 lines
No EOL
3.7 KiB
JavaScript
/*
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The background process is responsible for opening Caret windows in response to
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app launches, choosing a file in the Files app on Chrome OS, and external
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messages.
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*/
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var mainWindow = null;
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var pending = null;
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var upgrading = false;
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var files = [];
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var commands = [];
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var openWindow = function() {
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//if window exists, re-use it
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if (mainWindow) {
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//attach any new files to the window, and re-trigger "open from launch"
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mainWindow.contentWindow.launchData = files;
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mainWindow.contentWindow.require(["command"], function(c) {
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c.fire("session:open-launch");
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});
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mainWindow.focus();
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mainWindow.drawAttention();
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files = [];
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pending = null;
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return;
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}
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//otherwise, open a new window
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var defaults = {
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width: 800,
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height: 600,
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left: 50,
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top: 50
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};
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chrome.app.window.create("main.html", {
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bounds: defaults,
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id: "caret:main",
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frame: "none",
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minWidth: 640,
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minHeight: 480
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}, function(win) {
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mainWindow = win;
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win.contentWindow.launchData = files;
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win.contentWindow.launchCommands = commands;
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mainWindow.onClosed.addListener(function() {
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mainWindow = null;
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chrome.storage.local.remove("isOpen");
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});
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files = [];
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commands = [];
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pending = null;
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chrome.storage.local.set({isOpen: true});
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});
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}
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var launch = function(launchData) {
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if (launchData && launchData.items) files.push.apply(files, launchData.items);
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//we delay opening the actual window to give multiple file events time to fire
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if (pending !== null) return;
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//do not open windows when an upgrade is running
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if (upgrading) return;
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pending = setTimeout(openWindow, 250);
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};
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chrome.app.runtime.onLaunched.addListener(launch);
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var onMessage = function(message, sender, sendResponse) {
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//main window will pick up the message, if it's open
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//we also allow extensions to suppress launch behavior for spurious messages
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if (mainWindow || message.quiet || !message.command) {
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//if it is open, and the command is loud enough, flash the window
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if (mainWindow && message.command && !message.quiet) {
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mainWindow.drawAttention();
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}
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return;
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}
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commands.push({
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message: message,
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sender: sender,
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sendResponse: sendResponse
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});
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//as with files, delay to accumulate multiple messages
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if (pending !== null) return;
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if (upgrading) return;
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pending = setTimeout(openWindow, 250);
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};
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chrome.runtime.onMessageExternal.addListener(onMessage);
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//relaunch on reboot, if the window was open at shutdown
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chrome.app.runtime.onRestarted.addListener(function() {
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chrome.storage.local.get("isOpen", function(data) {
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if (data.isOpen) launch();
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});
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});
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// setup for launcher context menus
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// currently this is just for emergency reset
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chrome.contextMenus.create({
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title: "Emergency Reset",
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contexts: [ "launcher" ],
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id: "app:factory-reset"
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});
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var emergencyReset = function() {
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if (mainWindow) mainWindow.close();
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var cleared = {
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local: false,
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sync: false
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};
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var check = function(storage) {
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cleared[storage] = true;
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if (cleared.local && cleared.sync) {
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chrome.notifications.create("app:factory-reset-complete", {
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type: "basic",
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iconUrl: "icon-128.png",
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title: "Emergency Reset Complete",
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message: "Caret has been reset to the default settings."
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}, function() {});
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}
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};
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chrome.storage.local.clear(check.bind(null, "local"));
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chrome.storage.sync.clear(check.bind(null, "sync"));
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};
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chrome.contextMenus.onClicked.addListener(function(data) {
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if (data.menuItemId != "app:factory-reset") return;
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emergencyReset();
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}); |