diff options
Diffstat (limited to 'apps/system/js/window_manager.js')
| -rw-r--r-- | apps/system/js/window_manager.js | 2011 |
1 files changed, 0 insertions, 2011 deletions
diff --git a/apps/system/js/window_manager.js b/apps/system/js/window_manager.js deleted file mode 100644 index e53605e..0000000 --- a/apps/system/js/window_manager.js +++ /dev/null @@ -1,2011 +0,0 @@ -/* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- / -/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ - -// -// This file calls getElementById without waiting for an onload event, so it -// must have a defer attribute or be included at the end of the <body>. -// -// This module is responsible for launching apps and for allowing -// the user to switch among apps and kill apps. Specifically, it handles: -// launching apps, -// killing apps -// keeping track of the set of running apps (which we call tasks here) -// keeping track of which task is displayed (the foreground task) -// changing the foreground task -// hiding all apps to display the homescreen -// displaying the app switcher to allow the user to switch and kill apps -// performing appropriate transition animations between: -// the homescreen and an app -// the homescreen and the switcher -// an app and the homescreen -// the switcher and the homescreen -// the switcher and the current foreground task -// the switcher and a different task -// Handling Home key events to switch to the homescreen and the switcher -// -// The public API of the module is small. It defines an WindowManager object -// with these methods: -// -// launch(origin): switch to the specified running app -// kill(origin, callback): stop specified app -// reload(origin): reload the given app -// getDisplayedApp(): return the origin of the currently displayed app -// setOrientationForApp(origin): set the phone to orientation to a given app -// getAppFrame(origin): returns the iframe element for the specified origin -// which is assumed to be running. This is only currently used -// for tests and chrome stuff: see the end of the file -// getRunningApps(): get the app references of the running apps. -// -// TODO -// The "origin" does not actually refer to app's origin but rather a identifier -// of the app reference that one gets from |getDisplayedApp()| or -// iterates |getRunningApps|. The string is make up of the specified -// launching entry point, origin, or the website url launched by wrapper. -// It would be ideal if the variable get correctly named and it's rule is being -// properly documented. -// See https://bugzilla.mozilla.org/show_bug.cgi?id=796629 -// - -var WindowManager = (function() { - 'use strict'; - - function debug(str) { - dump('WindowManager: ' + str + '\n'); - } - - // Holds the origin of the home screen, which should be the first - // app we launch through web activity during boot - var homescreen = null; - var homescreenURL = ''; - var homescreenManifestURL = ''; - var ftu = null; - var ftuManifestURL = ''; - var ftuURL = ''; - var isRunningFirstRunApp = false; - // keep the reference of inline activity frame here - var inlineActivityFrames = []; - var activityCallerOrigin = ''; - - // Some document elements we use - var windows = document.getElementById('windows'); - var screenElement = document.getElementById('screen'); - var wrapperHeader = document.querySelector('#wrapper-activity-indicator'); - var wrapperFooter = document.querySelector('#wrapper-footer'); - var kTransitionTimeout = 1000; - - // Set this to true to debugging the transitions and state change - var slowTransition = false; - if (slowTransition) { - windows.classList.add('slow-transition'); - } - - // - // The set of running apps. - // This is a map from app origin to an object like this: - // { - // name: the app's name - // manifest: the app's manifest object - // frame: the iframe element that the app is displayed in - // launchTime: last time when app gets active - // } - // - var runningApps = {}; - var numRunningApps = 0; // appendFrame() and removeFrame() maintain this count - var nextAppId = 0; // to give each app's iframe a unique id attribute - - // The origin of the currently displayed app, or null if there isn't one - var displayedApp = null; - - // Function to hide init starting logo - function handleInitlogo(callback) { - var initlogo = document.getElementById('initlogo'); - initlogo.classList.add('hide'); - initlogo.addEventListener('transitionend', function delInitlogo() { - initlogo.removeEventListener('transitionend', delInitlogo); - initlogo.parentNode.removeChild(initlogo); - if (callback) { - callback(); - } - }); - }; - - // Public function. Return the origin of the currently displayed app - // or null if there is none. - function getDisplayedApp() { - return displayedApp || null; - } - - function requireFullscreen(origin) { - var app = runningApps[origin]; - if (!app) - return false; - - var manifest = app.manifest; - if (manifest.entry_points && manifest.type == 'certified') { - var entryPoint = manifest.entry_points[origin.split('/')[3]]; - if (entryPoint) - return entryPoint.fullscreen; - return false; - } else { - return manifest.fullscreen; - } - } - - // Make the specified app the displayed app. - // Public function. Pass null to make the homescreen visible - function launch(origin) { - // If the origin is indeed valid we make that app as the displayed app. - if (isRunning(origin)) { - setDisplayedApp(origin); - return; - } - - // If the origin is null, make the homescreen visible. - if (origin == null) { - setDisplayedApp(homescreen); - return; - } - - // At this point, we have no choice but to show the homescreen. - // We cannot launch/relaunch a given app based on the "origin" because - // we would need the manifest URL and the specific entry point. - console.warn('No running app is being identified as "' + origin + '". ' + - 'Showing home screen instead.'); - setDisplayedApp(homescreen); - } - - function isRunning(origin) { - return runningApps.hasOwnProperty(origin); - } - - function getAppFrame(origin) { - if (isRunning(origin)) - return runningApps[origin].frame; - else - return null; - } - - // Set the size of the app's iframe to match the size of the screen. - // We have to call this on resize events (which happen when the - // phone orientation is changed). And also when an app is launched - // and each time an app is brought to the front, since the - // orientation could have changed since it was last displayed - function setAppSize(origin, changeActivityFrame) { - var app = runningApps[origin]; - if (!app) - return; - - var frame = app.frame; - var manifest = app.manifest; - - var cssWidth = window.innerWidth + 'px'; - var cssHeight = window.innerHeight - StatusBar.height; - if ('wrapper' in frame.dataset) { - cssHeight -= 10; - } - cssHeight += 'px'; - - if (!screenElement.classList.contains('attention') && - requireFullscreen(origin)) { - cssHeight = window.innerHeight + 'px'; - } - - frame.style.width = cssWidth; - frame.style.height = cssHeight; - - // We will call setInlineActivityFrameSize() - // if changeActivityFrame is not explicitly set to false. - if (changeActivityFrame !== false) - setInlineActivityFrameSize(); - } - - // App's height is relevant to keyboard height - function setAppHeight(keyboardHeight) { - var app = runningApps[displayedApp]; - if (!app) - return; - - var frame = app.frame; - var manifest = app.manifest; - - var cssHeight = - window.innerHeight - StatusBar.height - keyboardHeight + 'px'; - - if (!screenElement.classList.contains('attention') && - requireFullscreen(displayedApp)) { - cssHeight = window.innerHeight - keyboardHeight + 'px'; - } - - frame.style.height = cssHeight; - - setInlineActivityFrameSize(); - } - - // Copy the dimension of the currently displayed app - function setInlineActivityFrameSize() { - if (!inlineActivityFrames.length) - return; - - var app = runningApps[displayedApp]; - var appFrame = app.frame; - var frame = inlineActivityFrames[inlineActivityFrames.length - 1]; - - frame.style.width = appFrame.style.width; - - if (document.mozFullScreen) { - frame.style.height = window.innerHeight + 'px'; - frame.style.top = '0px'; - } else { - if ('wrapper' in appFrame.dataset) { - frame.style.height = window.innerHeight - StatusBar.height + 'px'; - } else { - frame.style.height = appFrame.style.height; - } - frame.style.top = appFrame.offsetTop + 'px'; - } - } - - function setFrameBackgroundBlob(frame, blob, transparent) { - URL.revokeObjectURL(frame.dataset.bgObjectURL); - delete frame.dataset.bgObjectURL; - - var objectURL = URL.createObjectURL(blob); - frame.dataset.bgObjectURL = objectURL; - var backgroundCSS = - '-moz-linear-gradient(top, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.5) 100%),' + - 'url(' + objectURL + '),' + - ((transparent) ? 'transparent' : '#fff'); - - frame.style.background = backgroundCSS; - } - - function clearFrameBackground(frame) { - if (!('bgObjectURL' in frame.dataset)) - return; - - URL.revokeObjectURL(frame.dataset.bgObjectURL); - delete frame.dataset.bgObjectURL; - frame.style.background = ''; - } - - var openFrame = null; - var closeFrame = null; - var openCallback = null; - var closeCallback = null; - var transitionOpenCallback = null; - var transitionCloseCallback = null; - - // Use setOpenFrame() to reset the CSS classes set - // to the current openFrame (before overwriting the reference) - function setOpenFrame(frame) { - if (openFrame) { - removeFrameClasses(openFrame); - } - - openFrame = frame; - } - - // Use setCloseFrame() to reset the CSS classes set - // to the current closeFrame (before overwriting the reference) - function setCloseFrame(frame) { - if (closeFrame) { - removeFrameClasses(closeFrame); - // closeFrame should not be set to active - closeFrame.classList.remove('active'); - } - - closeFrame = frame; - } - - // Remove these visible className from frame so we will not ended - // up having a frozen frame in the middle of the transition - function removeFrameClasses(frame) { - var classNames = ['opening', 'closing', 'opening-switching', - 'opening-card', 'closing-card']; - - var classList = frame.classList; - - classNames.forEach(function removeClass(className) { - classList.remove(className); - }); - } - - windows.addEventListener('transitionend', function frameTransitionend(evt) { - var prop = evt.propertyName; - var frame = evt.target; - if (prop !== 'transform') - return; - - var classList = frame.classList; - - if (classList.contains('inlineActivity')) { - if (classList.contains('active')) { - if (openFrame) - openFrame.firstChild.focus(); - - setOpenFrame(null); - } else { - windows.removeChild(frame); - } - - return; - } - - if (screenElement.classList.contains('switch-app')) { - if (classList.contains('closing')) { - classList.remove('closing'); - classList.add('closing-card'); - - if (openFrame) { - if (openFrame.classList.contains('opening-card')) { - openFrame.classList.remove('opening-card'); - openFrame.classList.add('opening-switching'); - } else { - // Skip the opening-card and opening-switching transition - // because the closing-card transition had already finished here. - if (openFrame.classList.contains('fullscreen-app')) { - screenElement.classList.add('fullscreen-app'); - } - openFrame.classList.add('opening'); - } - } - } else if (classList.contains('closing-card')) { - windowClosed(frame); - setTimeout(closeCallback); - closeCallback = null; - - } else if (classList.contains('opening-switching')) { - // If the opening app need to be full screen, switch to full screen - if (classList.contains('fullscreen-app')) { - screenElement.classList.add('fullscreen-app'); - } - - classList.remove('opening-switching'); - classList.add('opening'); - } else if (classList.contains('opening')) { - windowOpened(frame); - - setTimeout(openCallback); - openCallback = null; - - setCloseFrame(null); - setOpenFrame(null); - screenElement.classList.remove('switch-app'); - } - - return; - } - - if (classList.contains('opening')) { - windowOpened(frame); - - setTimeout(openCallback); - openCallback = null; - - setOpenFrame(null); - } else if (classList.contains('closing')) { - windowClosed(frame); - - setTimeout(closeCallback); - closeCallback = null; - - setCloseFrame(null); - } - }); - - // Executes when the opening transition scale the app - // to full size. - function windowOpened(frame) { - var iframe = frame.firstChild; - - frame.classList.add('active'); - windows.classList.add('active'); - - if ('wrapper' in frame.dataset) { - wrapperFooter.classList.add('visible'); - } - - // Take the focus away from the currently displayed app - var app = runningApps[displayedApp]; - if (app && app.iframe) - app.iframe.blur(); - - // Give the focus to the frame - iframe.focus(); - - if (!TrustedUIManager.isVisible() && !isRunningFirstRunApp) { - // Set homescreen visibility to false - toggleHomescreen(false); - } - - // Set displayedApp to the new value - displayedApp = iframe.dataset.frameOrigin; - - // Set orientation for the new app - setOrientationForApp(displayedApp); - - // Dispatch an 'appopen' event. - var manifestURL = runningApps[displayedApp].manifestURL; - var evt = document.createEvent('CustomEvent'); - evt.initCustomEvent('appopen', true, false, { - manifestURL: manifestURL, - origin: displayedApp - }); - frame.dispatchEvent(evt); - } - - // Executes when app closing transition finishes. - function windowClosed(frame) { - var iframe = frame.firstChild; - - // If the FTU is closing, make sure we save this state - if (iframe.src == ftuURL) { - isRunningFirstRunApp = false; - document.getElementById('screen').classList.remove('ftu'); - window.asyncStorage.setItem('ftu.enabled', false); - // Done with FTU, letting everyone know - var evt = document.createEvent('CustomEvent'); - evt.initCustomEvent('ftudone', - /* canBubble */ true, /* cancelable */ false, {}); - window.dispatchEvent(evt); - } - - frame.classList.remove('active'); - windows.classList.remove('active'); - - // set the closed frame visibility to false - if ('setVisible' in iframe) - iframe.setVisible(false); - - screenElement.classList.remove('fullscreen-app'); - } - - // The following things needs to happen when firstpaint happens. - // We centralize all that here but not all of them applies. - windows.addEventListener('mozbrowserfirstpaint', function firstpaint(evt) { - var iframe = evt.target; - var frame = iframe.parentNode; - - // remove the unpainted flag - delete iframe.dataset.unpainted; - - setTimeout(function firstpainted() { - // Save the screenshot - // Remove the background only until we actually got the screenshot, - // because the getScreenshot() call will be pushed back by - // painting/loading in the child process; when we got the screenshot, - // that means the app is mostly loaded. - // (as opposed to plain white firstpaint) - saveAppScreenshot(frame, function screenshotTaken() { - // Remove the default background - frame.classList.remove('default-background'); - - // Remove the screenshot from frame - clearFrameBackground(frame); - }); - }); - }); - - // setFrameBackground() will attach the screenshot background to - // the given frame. - // The callback could be sync or async (depend on whether we need - // the screenshot from database or not) - function setFrameBackground(frame, callback, transparent) { - var iframe = frame.firstChild; - // If the frame is painted, or there is already background image present - // start the transition right away. - if (!('unpainted' in iframe.dataset) || - ('bgObjectURL' in frame.dataset)) { - callback(); - return; - } - - // Get the screenshot from the database - getAppScreenshotFromDatabase(iframe.src || iframe.dataset.frameOrigin, - function(screenshot) { - // If firstpaint is faster than database, we will not transition - // with screenshot. - if (!('unpainted' in iframe.dataset)) { - callback(); - return; - } - - if (!screenshot) { - // put a default background - frame.classList.add('default-background'); - callback(); - return; - } - - // set the screenshot as the background of the frame itself. - // we are safe to do so since there is nothing on it yet. - setFrameBackgroundBlob(frame, screenshot, transparent); - - // start the transition - callback(); - }); - } - - // On-disk database for window manager. - // It's only for app screenshots right now. - var database = null; - var DB_SCREENSHOT_OBJSTORE = 'screenshots'; - - (function openDatabase() { - var DB_VERSION = 2; - var DB_NAME = 'window_manager'; - - var req = window.indexedDB.open(DB_NAME, DB_VERSION); - req.onerror = function() { - console.error('Window Manager: opening database failed.'); - }; - req.onupgradeneeded = function databaseUpgradeneeded() { - database = req.result; - - if (database.objectStoreNames.contains(DB_SCREENSHOT_OBJSTORE)) - database.deleteObjectStore(DB_SCREENSHOT_OBJSTORE); - - var store = database.createObjectStore( - DB_SCREENSHOT_OBJSTORE, { keyPath: 'url' }); - }; - - req.onsuccess = function databaseSuccess() { - database = req.result; - }; - })(); - - function putAppScreenshotToDatabase(url, data) { - if (!database) - return; - - var txn = database.transaction(DB_SCREENSHOT_OBJSTORE, 'readwrite'); - txn.onerror = function() { - console.warn( - 'Window Manager: transaction error while trying to save screenshot.'); - }; - var store = txn.objectStore(DB_SCREENSHOT_OBJSTORE); - var req = store.put({ - url: url, - screenshot: data - }); - req.onerror = function(evt) { - console.warn( - 'Window Manager: put error while trying to save screenshot.'); - }; - } - - function getAppScreenshotFromDatabase(url, callback) { - if (!database) { - console.warn( - 'Window Manager: Neither database nor app frame is ' + - 'ready for getting screenshot.'); - - callback(); - return; - } - - var req = database.transaction(DB_SCREENSHOT_OBJSTORE) - .objectStore(DB_SCREENSHOT_OBJSTORE).get(url); - req.onsuccess = function() { - if (!req.result) { - console.log('Window Manager: No screenshot in database. ' + - 'This is expected from a fresh installed app.'); - callback(); - - return; - } - - callback(req.result.screenshot, true); - } - req.onerror = function(evt) { - console.warn('Window Manager: get screenshot from database failed.'); - callback(); - }; - } - - function deleteAppScreenshotFromDatabase(url) { - var txn = database.transaction(DB_SCREENSHOT_OBJSTORE); - var store = txn.objectStore(DB_SCREENSHOT_OBJSTORE); - - store.delete(url); - } - - function getAppScreenshotFromFrame(frame, callback) { - if (!frame) { - callback(); - return; - } - - var iframe = frame.firstChild; - var req = iframe.getScreenshot(iframe.offsetWidth, iframe.offsetHeight); - - req.onsuccess = function gotScreenshotFromFrame(evt) { - var result = evt.target.result; - callback(result, false); - }; - - req.onerror = function gotScreenshotFromFrameError(evt) { - console.warn('Window Manager: getScreenshot failed.'); - callback(); - }; - } - - // Meta method for get the screenshot from the app frame, - // and save it to database. - function saveAppScreenshot(frame, callback) { - getAppScreenshotFromFrame(frame, function gotScreenshot(screenshot) { - if (callback) - callback(screenshot); - - if (!screenshot) - return; - - var iframe = frame.firstChild; - putAppScreenshotToDatabase(iframe.src || iframe.dataset.frameOrigin, - screenshot); - }); - } - - // Perform an "open" animation for the app's iframe - function openWindow(origin, callback) { - var app = runningApps[origin]; - setOpenFrame(app.frame); - - openCallback = callback || function() {}; - - // set the size of the opening app - setAppSize(origin); - - if (origin === homescreen) { - // We cannot apply background screenshot to home screen app since - // the screenshot is encoded in JPEG and the alpha channel is - // not perserved. See - // https://bugzilla.mozilla.org/show_bug.cgi?id=801676#c33 - // If that resolves, - // setFrameBackground(openFrame, gotBackground, true); - // will simply work here. - - // Call the openCallback only once. We have to use tmp var as - // openCallback can be a method calling the callback - // (like the `removeFrame` callback in `kill()` ). - var tmpCallback = openCallback; - openCallback = null; - tmpCallback(); - - windows.classList.add('active'); - openFrame.classList.add('homescreen'); - openFrame.firstChild.focus(); - setOpenFrame(null); - displayedApp = origin; - - return; - } - - if (requireFullscreen(origin)) - screenElement.classList.add('fullscreen-app'); - - transitionOpenCallback = function startOpeningTransition() { - // We have been canceled by another transition. - if (!openFrame || transitionOpenCallback != startOpeningTransition) - return; - - // Make sure we're not called twice. - transitionOpenCallback = null; - - if (!screenElement.classList.contains('switch-app')) { - openFrame.classList.add('opening'); - } else if (!openFrame.classList.contains('opening')) { - openFrame.classList.add('opening-card'); - } - }; - - if ('unpainted' in openFrame.firstChild.dataset) { - waitForNextPaintOrBackground(openFrame, transitionOpenCallback); - } else { - waitForNextPaint(openFrame, transitionOpenCallback); - } - - // Set the frame to be visible. - if ('setVisible' in openFrame.firstChild) { - if (!AttentionScreen.isFullyVisible()) { - openFrame.firstChild.setVisible(true); - } else { - // If attention screen is fully visible now, - // don't give the open frame visible. - // This is the case that homescreen is restarted behind attention screen - openFrame.firstChild.setVisible(false); - } - } - } - - function waitForNextPaintOrBackground(frame, callback) { - var waiting = true; - function proceed() { - if (waiting) { - waiting = false; - callback(); - } - } - - waitForNextPaint(frame, proceed); - setFrameBackground(frame, proceed); - } - - function waitForNextPaint(frame, callback) { - function onNextPaint() { - clearTimeout(timeout); - callback(); - } - - var iframe = frame.firstChild; - - // Register a timeout in case we don't receive - // nextpaint in an acceptable time frame. - var timeout = setTimeout(function() { - if ('removeNextPaintListener' in iframe) - iframe.removeNextPaintListener(onNextPaint); - callback(); - }, kTransitionTimeout); - - if ('addNextPaintListener' in iframe) - iframe.addNextPaintListener(onNextPaint); - } - - // Perform a "close" animation for the app's iframe - function closeWindow(origin, callback) { - var app = runningApps[origin]; - setCloseFrame(app.frame); - closeCallback = callback || function() {}; - - // Animate the window close. Ensure the homescreen is in the - // foreground since it will be shown during the animation. - var homescreenFrame = ensureHomescreen(); - - // invoke openWindow to show homescreen here - openWindow(homescreen, null); - - // Take keyboard focus away from the closing window - closeFrame.firstChild.blur(); - - // set orientation for homescreen app - setOrientationForApp(homescreen); - - // Set the size of both homescreen app and the closing app - // since the orientation had changed. - setAppSize(homescreen); - setAppSize(origin); - - // Send a synthentic 'appwillclose' event. - // The keyboard uses this and the appclose event to know when to close - // See https://github.com/andreasgal/gaia/issues/832 - var evt = document.createEvent('CustomEvent'); - evt.initCustomEvent('appwillclose', true, false, { origin: origin }); - closeFrame.dispatchEvent(evt); - - if ('wrapper' in closeFrame.dataset) { - wrapperHeader.classList.remove('visible'); - wrapperFooter.classList.remove('visible'); - } - - transitionCloseCallback = function startClosingTransition() { - // We have been canceled by another transition. - if (!closeFrame || transitionCloseCallback != startClosingTransition) - return; - - // Make sure we're not called twice. - transitionCloseCallback = null; - - // Start the transition - closeFrame.classList.add('closing'); - closeFrame.classList.remove('active'); - }; - - waitForNextPaint(homescreenFrame, transitionCloseCallback); - } - - // Perform a "switching" animation for the closing frame and the opening frame - function switchWindow(origin, callback) { - // This will trigger different transition to both openWindow() - // and closeWindow() transition. - screenElement.classList.add('switch-app'); - - // Ask closeWindow() to start closing the displayedApp - closeWindow(displayedApp, callback); - - // Ask openWindow() to show a card on the right waiting to be opened - openWindow(origin); - } - - // Ensure the homescreen is loaded and return its frame. Restarts - // the homescreen app if it was killed in the background. - // Note: this function would not invoke openWindow(homescreen), - // which should be handled in setDisplayedApp and in closeWindow() - function ensureHomescreen(reset) { - // If the url of the homescreen is not known at this point do nothing. - if (!homescreen || !homescreenManifestURL) { - return null; - } - - if (!isRunning(homescreen)) { - var app = Applications.getByManifestURL(homescreenManifestURL); - appendFrame(null, homescreen, homescreenURL, - app.manifest.name, app.manifest, app.manifestURL); - runningApps[homescreen].iframe.dataset.start = Date.now(); - setAppSize(homescreen); - } else if (reset) { - runningApps[homescreen].iframe.src = homescreenURL; - setAppSize(homescreen); - } - - return runningApps[homescreen].frame; - } - - function retrieveHomescreen(callback) { - var lock = navigator.mozSettings.createLock(); - var setting = lock.get('homescreen.manifestURL'); - setting.onsuccess = function() { - var app = - Applications.getByManifestURL(this.result['homescreen.manifestURL']); - - // XXX This is a one-day workaround to not break everybody and make sure - // work can continue. - if (!app) { - var tmpURL = document.location.toString() - .replace('system', 'homescreen') - .replace('index.html', 'manifest.webapp'); - app = Applications.getByManifestURL(tmpURL); - } - - if (app) { - homescreenManifestURL = app.manifestURL; - homescreen = app.origin; - homescreenURL = app.origin + '/index.html#root'; - - callback(app); - } - } - } - - function skipFTU() { - document.getElementById('screen').classList.remove('ftuStarting'); - handleInitlogo(); - setDisplayedApp(homescreen); - } - - // Check if the FTU was executed or not, if not, get a - // reference to the app and launch it. - function retrieveFTU() { - window.asyncStorage.getItem('ftu.enabled', function getItem(launchFTU) { - document.getElementById('screen').classList.add('ftuStarting'); - if (launchFTU === false) { - skipFTU(); - return; - } - var lock = navigator.mozSettings.createLock(); - var req = lock.get('ftu.manifestURL'); - req.onsuccess = function() { - ftuManifestURL = this.result['ftu.manifestURL']; - if (!ftuManifestURL) { - dump('FTU manifest cannot be found skipping.\n'); - skipFTU(); - return; - } - ftu = Applications.getByManifestURL(ftuManifestURL); - if (!ftu) { - dump('Opps, bogus FTU manifest.\n'); - skipFTU(); - return; - } - ftuURL = ftu.origin + ftu.manifest.entry_points['ftu'].launch_path; - ftu.launch('ftu'); - }; - req.onerror = function() { - dump('Couldn\'t get the ftu manifestURL.\n'); - skipFTU(); - }; - }); - } - - // Hide current app - function hideCurrentApp(callback) { - if (displayedApp == null || displayedApp == homescreen) - return; - - toggleHomescreen(true); - var frame = getAppFrame(displayedApp); - frame.classList.add('back'); - frame.classList.remove('restored'); - if (callback) { - frame.addEventListener('transitionend', function execCallback() { - frame.style.visibility = 'hidden'; - frame.removeEventListener('transitionend', execCallback); - callback(); - }); - } - } - - // If app parameter is passed, - // it means there's a specific app needs to be restored - // instead of current app - function restoreCurrentApp(app) { - if (app) { - // Restore app visibility immediately but don't open it. - var frame = getAppFrame(app); - frame.style.visibility = 'visible'; - frame.classList.remove('back'); - } else { - app = displayedApp; - toggleHomescreen(false); - var frame = getAppFrame(app); - frame.style.visibility = 'visible'; - frame.classList.remove('back'); - frame.classList.add('restored'); - frame.addEventListener('transitionend', function removeRestored() { - frame.removeEventListener('transitionend', removeRestored); - frame.classList.remove('restored'); - }); - } - } - - function toggleHomescreen(visible) { - var homescreenFrame = ensureHomescreen(); - if (homescreenFrame && 'setVisible' in homescreenFrame.firstChild) - homescreenFrame.firstChild.setVisible(visible); - } - - // Switch to a different app - function setDisplayedApp(origin, callback) { - var currentApp = displayedApp, newApp = origin || homescreen; - var isFirstRunApplication = !currentApp && (origin == ftuURL); - - var homescreenFrame = null; - if (!isFirstRunApplication) { - // Returns the frame reference of the home screen app. - // Restarts the homescreen app if it was killed in the background. - homescreenFrame = ensureHomescreen(); - } - - // Cancel transitions waiting to be started. - transitionOpenCallback = null; - transitionCloseCallback = null; - - // Discard any existing activity - stopInlineActivity(true); - - // Before starting a new transition, let's make sure current transitions - // are stopped and the state classes are cleaned up. - // visibility status should also be reset. - if (openFrame && 'setVisible' in openFrame.firstChild) - openFrame.firstChild.setVisible(false); - if (closeFrame && 'setVisible' in closeFrame.firstChild) - closeFrame.firstChild.setVisible(false); - - if (!isFirstRunApplication && newApp == homescreen && !AttentionScreen.isFullyVisible()) { - toggleHomescreen(true); - } - - setOpenFrame(null); - setCloseFrame(null); - screenElement.classList.remove('switch-app'); - screenElement.classList.remove('fullscreen-app'); - - // Dispatch an appwillopen event only when we open an app - if (newApp != currentApp) { - var evt = document.createEvent('CustomEvent'); - evt.initCustomEvent('appwillopen', true, true, { origin: newApp }); - - var app = runningApps[newApp]; - // Allows listeners to cancel app opening and so stay on homescreen - if (!app.frame.dispatchEvent(evt)) { - if (typeof(callback) == 'function') - callback(); - return; - } - - var iframe = app.iframe; - - // unpainted means that the app is cold booting - // if it is, we're going to listen for Browser API's loadend event - // which indicates that the iframe's document load is complete - // - // if the app is not cold booting (is in memory) we will listen - // to appopen event, which is fired when the transition to the - // app window is complete. - // - // [w] - warm boot (app is in memory, just transition to it) - // [c] - cold boot (app has to be booted, we show it's document load - // time) - var type; - if ('unpainted' in iframe.dataset) { - type = 'mozbrowserloadend'; - } else { - iframe.dataset.start = Date.now(); - type = 'appopen'; - } - - app.frame.addEventListener(type, function apploaded(e) { - e.target.removeEventListener(e.type, apploaded); - - var evt = document.createEvent('CustomEvent'); - evt.initCustomEvent('apploadtime', true, false, { - time: parseInt(Date.now() - iframe.dataset.start), - type: (e.type == 'appopen') ? 'w' : 'c' - }); - iframe.dispatchEvent(evt); - }); - } - - // Case 1: the app is already displayed - if (currentApp && currentApp == newApp) { - if (newApp == homescreen) { - // relaunch homescreen - openWindow(homescreen, callback); - } else if (callback) { - // Just run the callback right away if it is not homescreen - callback(); - } - } - // Case 2: null --> app - else if (isFirstRunApplication) { - isRunningFirstRunApp = true; - openWindow(newApp, function windowOpened() { - handleInitlogo(function() { - var mainScreen = document.getElementById('screen'); - mainScreen.classList.add('ftu'); - mainScreen.classList.remove('ftuStarting'); - }); - }); - } - // Case 3: null->homescreen || homescreen->app - else if ((!currentApp && newApp == homescreen) || - (currentApp == homescreen && newApp)) { - openWindow(newApp, callback); - } - // Case 4: app->homescreen - else if (currentApp && currentApp != homescreen && newApp == homescreen) { - // For screenshot to catch current window size - closeWindow(currentApp, callback); - } - // Case 5: app-to-app transition - else { - switchWindow(newApp, callback); - } - // Set homescreen as active, - // to control the z-index between homescreen & keyboard iframe - if ((newApp == homescreen) && homescreenFrame) { - homescreenFrame.classList.add('active'); - } else { - homescreenFrame.classList.remove('active'); - } - - // Record the time when app was launched, - // need this to display apps in proper order on CardsView. - // We would also need this to determined the freshness of the frame - // for making screenshots. - if (newApp) - runningApps[newApp].launchTime = Date.now(); - - // If the app has a attention screen open, displaying it - AttentionScreen.showForOrigin(newApp); - } - - function setOrientationForApp(origin) { - if (origin == null) { // No app is currently running. - screen.mozLockOrientation('portrait-primary'); - return; - } - - var app = runningApps[origin]; - if (!app) - return; - var manifest = app.manifest; - - if (manifest.orientation) { - var rv = screen.mozLockOrientation(manifest.orientation); - if (rv === false) { - console.warn('screen.mozLockOrientation() returned false for', - origin, 'orientation', manifest.orientation); - } - } - else { // If no orientation was requested, then let it rotate - screen.mozUnlockOrientation(); - } - } - - var isOutOfProcessDisabled = false; - SettingsListener.observe('debug.oop.disabled', false, function(value) { - isOutOfProcessDisabled = value; - }); - - function createFrame(origFrame, origin, url, name, manifest, manifestURL) { - var iframe = origFrame || document.createElement('iframe'); - iframe.setAttribute('mozallowfullscreen', 'true'); - - var frame = document.createElement('div'); - frame.appendChild(iframe); - frame.className = 'appWindow'; - - iframe.dataset.frameOrigin = origin; - // Save original frame URL in order to restore it on frame load error - iframe.dataset.frameURL = url; - - // Note that we don't set the frame size here. That will happen - // when we display the app in setDisplayedApp() - - // frames are began unpainted. - iframe.dataset.unpainted = true; - - if (!manifestURL) { - frame.setAttribute('data-wrapper', 'true'); - return frame; - } - - // Most apps currently need to be hosted in a special 'mozbrowser' iframe. - // They also need to be marked as 'mozapp' to be recognized as apps by the - // platform. - iframe.setAttribute('mozbrowser', 'true'); - - // These apps currently have bugs preventing them from being - // run out of process. All other apps will be run OOP. - // - var outOfProcessBlackList = [ - 'Browser' - // Requires nested content processes (bug 761935). This is not - // on the schedule for v1. - ]; - - if (!isOutOfProcessDisabled && - outOfProcessBlackList.indexOf(name) === -1) { - // FIXME: content shouldn't control this directly - iframe.setAttribute('remote', 'true'); - } - - iframe.setAttribute('mozapp', manifestURL); - iframe.src = url; - return frame; - } - - function appendFrame(origFrame, origin, url, name, manifest, manifestURL) { - // Create the <iframe mozbrowser mozapp> that hosts the app - var frame = - createFrame(origFrame, origin, url, name, manifest, manifestURL); - var iframe = frame.firstChild; - frame.id = 'appframe' + nextAppId++; - iframe.dataset.frameType = 'window'; - - // Give a name to the frame for differentiating between main frame and - // inline frame. With the name we can get frames of the same app using the - // window.open method. - iframe.name = 'main'; - - // If this frame corresponds to the homescreen, set mozapptype=homescreen - // so we're less likely to kill this frame's process when we're running low - // on memory. - // - // We must do this before we the appendChild() call below. Once - // we add this frame to the document, we can't change its app type. - if (origin === homescreen) { - iframe.setAttribute('mozapptype', 'homescreen'); - } - - // Add the iframe to the document - windows.appendChild(frame); - - // And map the app origin to the info we need for the app - var app = new AppWindow({ - origin: origin, - name: name, - manifest: manifest, - manifestURL: manifestURL, - frame: frame, - iframe: iframe, - launchTime: 0 - }); - runningApps[origin] = app; - - if (requireFullscreen(origin)) { - frame.classList.add('fullscreen-app'); - } - if (origin === ftuURL) { - // Add a way to identify ftu app - // (Used by SimLock) - frame.classList.add('ftu'); - } - - // A frame should start with visible false - if ('setVisible' in iframe) - iframe.setVisible(false); - - numRunningApps++; - - return app; - } - - function startInlineActivity(origin, url, name, manifest, manifestURL) { - // Create the <iframe mozbrowser mozapp> that hosts the app - var frame = createFrame(null, origin, url, name, manifest, manifestURL); - var iframe = frame.firstChild; - frame.classList.add('inlineActivity'); - iframe.dataset.frameType = 'inline-activity'; - - // Give a name to the frame for differentiating between main frame and - // inline frame. With the name we can get frames of the same app using the - // window.open method. - iframe.name = 'inline'; - - // Save the reference - inlineActivityFrames.push(frame); - - // Set the size - setInlineActivityFrameSize(); - - // Add the iframe to the document - windows.appendChild(frame); - - // Open the frame, first, store the reference - openFrame = frame; - - // set the frame to visible state - if ('setVisible' in iframe) - iframe.setVisible(true); - - setFrameBackground(openFrame, function gotBackground() { - // Start the transition when this async/sync callback is called. - openFrame.classList.add('active'); - if (inlineActivityFrames.length == 1) - activityCallerOrigin = displayedApp; - if ('wrapper' in runningApps[displayedApp].frame.dataset) { - wrapperFooter.classList.remove('visible'); - wrapperHeader.classList.remove('visible'); - } - }); - } - - function removeFrame(origin) { - var app = runningApps[origin]; - var frame = app.frame; - - if (frame) { - windows.removeChild(frame); - clearFrameBackground(frame); - } - - if (openFrame == frame) { - setOpenFrame(null); - setTimeout(openCallback); - openCallback = null; - } - if (closeFrame == frame) { - setCloseFrame(null); - setTimeout(closeCallback); - closeCallback = null; - } - - delete runningApps[origin]; - numRunningApps--; - } - - function removeInlineFrame(frame) { - // If frame is transitioning we should remove the reference - if (openFrame == frame) - setOpenFrame(null); - - // If frame is never set visible, we can remove the frame directly - // without closing transition - if (!frame.classList.contains('active')) { - windows.removeChild(frame); - return; - } - // Take keyboard focus away from the closing window - frame.firstChild.blur(); - // Remove the active class and start the closing transition - frame.classList.remove('active'); - } - - // If all is not specified, - // remove the top most frame - function stopInlineActivity(all) { - if (!inlineActivityFrames.length) - return; - - if (!all) { - var frame = inlineActivityFrames.pop(); - removeInlineFrame(frame); - } else { - // stop all activity frames - // Remore the inlineActivityFrame reference - for (var frame of inlineActivityFrames) { - removeInlineFrame(frame); - } - inlineActivityFrames = []; - } - - if (!inlineActivityFrames.length) { - // Give back focus to the displayed app - var app = runningApps[displayedApp]; - if (app && app.iframe) { - app.iframe.focus(); - if ('wrapper' in app.frame.dataset) { - wrapperFooter.classList.add('visible'); - } - } - screenElement.classList.remove('inline-activity'); - } - } - - // Watch activity completion here instead of activity.js - // Because we know when and who to re-launch when activity ends. - window.addEventListener('mozChromeEvent', function(e) { - if (e.detail.type == 'activity-done') { - // Remove the top most frame every time we get an 'activity-done' event. - stopInlineActivity(); - if (!inlineActivityFrames.length) { - setDisplayedApp(activityCallerOrigin); - activityCallerOrigin = ''; - } - } - }); - - // There are two types of mozChromeEvent we need to handle - // in order to launch the app for Gecko - window.addEventListener('mozChromeEvent', function(e) { - var startTime = Date.now(); - - var manifestURL = e.detail.manifestURL; - if (!manifestURL) - return; - - var app = Applications.getByManifestURL(manifestURL); - if (!app) - return; - - var manifest = app.manifest; - var name = new ManifestHelper(manifest).name; - var origin = app.origin; - - // Check if it's a virtual app from a entry point. - // If so, change the app name and origin to the - // entry point. - var entryPoints = manifest.entry_points; - if (entryPoints && manifest.type == 'certified') { - var givenPath = e.detail.url.substr(origin.length); - - // Workaround here until the bug (to be filed) is fixed - // Basicly, gecko is sending the URL without launch_path sometimes - for (var ep in entryPoints) { - var currentEp = entryPoints[ep]; - var path = givenPath; - if (path.indexOf('?') != -1) { - path = path.substr(0, path.indexOf('?')); - } - - //Remove the origin and / to find if if the url is the entry point - if (path.indexOf('/' + ep) == 0 && - (currentEp.launch_path == path)) { - origin = origin + currentEp.launch_path; - name = new ManifestHelper(currentEp).name; - } - } - } - switch (e.detail.type) { - // mozApps API is asking us to launch the app - // We will launch it in foreground - case 'webapps-launch': - if (origin == homescreen) { - // No need to append a frame if is homescreen - setDisplayedApp(); - } else { - if (!isRunning(origin)) { - appendFrame(null, origin, e.detail.url, - name, app.manifest, app.manifestURL); - } - runningApps[origin].iframe.dataset.start = startTime; - setDisplayedApp(origin, null, 'window'); - } - break; - // System Message Handler API is asking us to open the specific URL - // that handles the pending system message. - // We will launch it in background if it's not handling an activity. - case 'open-app': - // If the system message goes to System app, - // we should not be launching that in a frame. - if (e.detail.url === window.location.href) - return; - - if (e.detail.isActivity && e.detail.target.disposition && - e.detail.target.disposition == 'inline') { - // Inline activities behaves more like a dialog, - // let's deal them here. - - startInlineActivity(origin, e.detail.url, - name, manifest, app.manifestURL); - - return; - } - - if (isRunning(origin)) { - // If the app is in foreground, it's too risky to change it's - // URL. We'll ignore this request. - if (displayedApp !== origin) { - var iframe = getAppFrame(origin).firstChild; - - // If the app is opened and it is loaded to the correct page, - // then there is nothing to do. - if (iframe.src !== e.detail.url) { - // Rewrite the URL of the app frame to the requested URL. - // XXX: We could ended opening URls not for the app frame - // in the app frame. But we don't care. - iframe.src = e.detail.url; - } - } - } else if (origin !== homescreen) { - // XXX: We could ended opening URls not for the app frame - // in the app frame. But we don't care. - appendFrame(null, origin, e.detail.url, - name, manifest, app.manifestURL); - - // set the size of the iframe - // so Cards View will get a correct screenshot of the frame - if (!e.detail.isActivity) - setAppSize(origin, false); - } else { - ensureHomescreen(); - } - - // We will only bring web activity handling apps to the foreground - if (!e.detail.isActivity) - return; - - // XXX: the correct way would be for UtilityTray to close itself - // when there is a appwillopen/appopen event. - UtilityTray.hide(); - - setDisplayedApp(origin); - - break; - } - }); - - // If the application tried to close themselves by calling window.close() - // we will handle that here. - // XXX: this event is fired twice: - // https://bugzilla.mozilla.org/show_bug.cgi?id=814583 - window.addEventListener('mozbrowserclose', function(e) { - if (!'frameType' in e.target.dataset) - return; - - switch (e.target.dataset.frameType) { - case 'window': - kill(e.target.dataset.frameOrigin); - break; - - case 'inline-activity': - stopInlineActivity(true); - break; - } - }); - - // Deal with locationchange - window.addEventListener('mozbrowserlocationchange', function(e) { - if (!'frameType' in e.target.dataset) - return; - - e.target.dataset.url = e.detail; - }); - - // Deal with application uninstall event - // if the application is being uninstalled, we ensure it stop running here. - window.addEventListener('applicationuninstall', function(e) { - kill(e.detail.application.origin); - - deleteAppScreenshotFromDatabase(e.detail.application.origin); - }); - - // When an UI layer is overlapping the current app, - // WindowManager should set the visibility of app iframe to false - // And reset to true when the layer is gone. - // We may need to handle windowclosing, windowopened in the future. - var attentionScreenTimer = null; - - var overlayEvents = [ - 'lock', - 'will-unlock', - 'attentionscreenshow', - 'attentionscreenhide', - 'status-active', - 'status-inactive' - ]; - - function overlayEventHandler(evt) { - if (attentionScreenTimer) - clearTimeout(attentionScreenTimer); - switch (evt.type) { - case 'status-active': - case 'attentionscreenhide': - case 'will-unlock': - if (LockScreen.locked) - return; - if (inlineActivityFrames.length) { - setVisibilityForInlineActivity(true); - } else { - setVisibilityForCurrentApp(true); - } - break; - case 'lock': - setVisibilityForCurrentApp(false); - break; - - /* - * Because in-transition is needed in attention screen, - * We set a timer here to deal with visibility change - */ - case 'status-inactive': - if (!AttentionScreen.isVisible()) - return; - case 'attentionscreenshow': - if (evt.detail && evt.detail.origin && - evt.detail.origin != displayedApp) { - attentionScreenTimer = setTimeout(function setVisibility() { - if (inlineActivityFrames.length) { - setVisibilityForInlineActivity(false); - } else { - setVisibilityForCurrentApp(false); - } - }, 3000); - - // Immediatly blur the frame in order to ensure hiding the keyboard - var app = runningApps[displayedApp]; - if (app) - app.iframe.blur(); - } - break; - } - } - - overlayEvents.forEach(function overlayEventIterator(event) { - window.addEventListener(event, overlayEventHandler); - }); - - function setVisibilityForInlineActivity(visible) { - if (!inlineActivityFrames.length) - return; - - var topFrame = inlineActivityFrames[inlineActivityFrames.length - 1].firstChild; - if ('setVisible' in topFrame) { - topFrame.setVisible(visible); - } - - // Restore/give away focus on visiblity change - // so that the app can take back its focus - if (visible) { - topFrame.focus(); - } else { - topFrame.blur(); - } - } - - function setVisibilityForCurrentApp(visible) { - var app = runningApps[displayedApp]; - if (!app) - return; - if ('setVisible' in app.iframe) - app.iframe.setVisible(visible); - - // Restore/give away focus on visiblity change - // so that the app can take back its focus - if (visible) - app.iframe.focus(); - else - app.iframe.blur(); - } - - function handleAppCrash(origin, manifestURL) { - if (origin && manifestURL) { - // When inline activity frame crashes, - // query the localized name from manifest - var app = Applications.getByManifestURL(manifestURL); - CrashReporter.setAppName(getAppName(origin, app.manifest)); - } else { - var app = runningApps[displayedApp]; - CrashReporter.setAppName(app.name); - } - } - - function getAppName(origin, manifest) { - if (!manifest) - return ''; - - if (manifest.entry_points && manifest.type == 'certified') { - var entryPoint = manifest.entry_points[origin.split('/')[3]]; - return new ManifestHelper(entryPoint).name; - } - return new ManifestHelper(manifest).name; - } - - // Deal with crashed apps - window.addEventListener('mozbrowsererror', function(e) { - if (!'frameType' in e.target.dataset) - return; - - var origin = e.target.dataset.frameOrigin; - var manifestURL = e.target.getAttribute('mozapp'); - - if (e.target.dataset.frameType == 'inline-activity') { - stopInlineActivity(true); - handleAppCrash(origin, manifestURL); - return; - } - - if (e.target.dataset.frameType !== 'window') - return; - - /* - detail.type = error (Server Not Found case) - is handled in Modal Dialog - */ - if (e.detail.type !== 'fatal') - return; - - // If the crashing app is currently displayed, we will present - // the user with a banner notification. - if (displayedApp == origin) - handleAppCrash(); - - // If the crashing app is the home screen app and it is the displaying app - // we will need to relaunch it right away. - // Alternatively, if home screen is not the displaying app, - // we will not relaunch it until the foreground app is closed. - // (to be dealt in setDisplayedApp(), not here) - if (displayedApp == homescreen) { - kill(origin, function relaunchHomescreen() { - setDisplayedApp(homescreen); - }); - return; - } - - // Actually remove the frame, and trigger the closing transition - // if the app is currently displaying - kill(origin); - }); - - - function hasPermission(app, permission) { - var mozPerms = navigator.mozPermissionSettings; - if (!mozPerms) - return false; - - var value = mozPerms.get(permission, app.manifestURL, app.origin, false); - - return (value === 'allow'); - } - - // Use a setting in order to be "called" by settings app - navigator.mozSettings.addObserver( - 'clear.remote-windows.data', - function clearRemoteWindowsData(setting) { - var shouldClear = setting.settingValue; - if (!shouldClear) - return; - - // Delete all storage and cookies from our content processes - var request = navigator.mozApps.getSelf(); - request.onsuccess = function() { - request.result.clearBrowserData(); - }; - - // Reset the setting value to false - var lock = navigator.mozSettings.createLock(); - lock.set({'clear.remote-windows.data': false}); - }); - - // Watch for window.open usages in order to open wrapper frames - window.addEventListener('mozbrowseropenwindow', function handleWrapper(evt) { - var detail = evt.detail; - var features; - try { - features = JSON.parse(detail.features); - } catch (e) { - features = {}; - } - - // Handles only call to window.open with `{remote: true}` feature. - if (!features.remote) - return; - - // XXX bug 819882: for now, only allows homescreen to open oop windows - var callerIframe = evt.target; - var callerFrame = callerIframe.parentNode; - var manifestURL = callerIframe.getAttribute('mozapp'); - var callerApp = Applications.getByManifestURL(manifestURL); - if (!callerApp || !callerFrame.classList.contains('homescreen')) - return; - var callerOrigin = callerApp.origin; - - // So, we are going to open a remote window. - // Now, avoid PopupManager listener to be fired. - evt.stopImmediatePropagation(); - - var name = detail.name; - var url = detail.url; - - // Use fake origin for named windows in order to be able to reuse them, - // otherwise always open a new window for '_blank'. - var origin = null; - var app = null; - if (name == '_blank') { - origin = url; - - // Just bring on top if a wrapper window is already running with this url - if (origin in runningApps && - runningApps[origin].windowName == '_blank') { - setDisplayedApp(origin); - return; - } - } else { - origin = 'window:' + name + ',source:' + callerOrigin; - - var runningApp = runningApps[origin]; - if (runningApp && runningApp.windowName === name) { - if (runningApp.iframe.src === url) { - // If the url is already loaded, just display the app - setDisplayedApp(origin); - return; - } else { - // Wrapper context shouldn't be shared between two apps -> killing - kill(origin); - } - } - } - - var title = '', icon = '', remote = false, useAsyncPanZoom = false; - var originName, originURL, searchName, searchURL; - - try { - var features = JSON.parse(detail.features); - var regExp = new RegExp(' ', 'g'); - - title = features.name.replace(regExp, ' ') || url; - icon = features.icon || ''; - - if (features.origin) { - originName = features.origin.name.replace(regExp, ' '); - originURL = decodeURIComponent(features.origin.url); - } - - if (features.search) { - searchName = features.search.name.replace(regExp, ' '); - searchURL = decodeURIComponent(features.search.url); - } - - if (features.useAsyncPanZoom) - useAsyncPanZoom = true; - } catch (ex) { } - - // If we don't reuse an existing app, open a brand new one - var iframe; - if (!app) { - // Bug 807438: Move new window document OOP - // Ignore `event.detail.frameElement` for now in order - // to create a remote system app frame. - // So that new window documents are going to share - // system app content processes data jar. - iframe = document.createElement('iframe'); - iframe.setAttribute('mozbrowser', 'true'); - iframe.setAttribute('remote', 'true'); - - iframe.addEventListener('mozbrowserloadstart', function start() { - iframe.dataset.loading = true; - wrapperHeader.classList.add('visible'); - }); - - iframe.addEventListener('mozbrowserloadend', function end() { - delete iframe.dataset.loading; - wrapperHeader.classList.remove('visible'); - }); - - // `mozasyncpanzoom` only works when added before attaching the iframe - // node to the document. - if (useAsyncPanZoom) { - iframe.dataset.useAsyncPanZoom = true; - iframe.setAttribute('mozasyncpanzoom', 'true'); - } - - var app = appendFrame(iframe, origin, url, title, { - 'name': title - }, null); - - // Set the window name in order to reuse this app if we try to open - // a new window with same name - app.windowName = name; - } else { - iframe = app.iframe; - - // Update app name for the card view - app.manifest.name = title; - } - - iframe.dataset.name = title; - iframe.dataset.icon = icon; - - if (originName) - iframe.dataset.originName = originName; - if (originURL) - iframe.dataset.originURL = originURL; - - if (searchName) - iframe.dataset.searchName = searchName; - if (searchURL) - iframe.dataset.searchURL = searchURL; - - // First load blank page in order to hide previous website - iframe.src = url; - - setDisplayedApp(origin); - }, true); // Use capture in order to catch the event before PopupManager does - - - // Stop running the app with the specified origin - function kill(origin, callback) { - if (!isRunning(origin)) - return; - - // As we can't immediatly remove runningApps entry, - // we flag it as being killed in order to avoid trying to remove it twice. - // (Check required because of bug 814583) - if (runningApps[origin].killed) - return; - runningApps[origin].killed = true; - - // If the app is the currently displayed app, switch to the homescreen - if (origin === displayedApp) { - // when the homescreen is displayed and being - // killed we need to forcibly restart it... - if (origin === homescreen) { - removeFrame(origin); - - // XXX workaround bug 810431. - // we need this here and not in other situations - // as it is expected that homescreen frame is available. - setTimeout(function() { - setDisplayedApp(); - - if (callback) { - callback(); - } - }); - } else { - setDisplayedApp(homescreen, function() { - removeFrame(origin); - if (callback) - setTimeout(callback); - }); - } - - } else { - removeFrame(origin); - } - - // Send a synthentic 'appterminated' event. - // Let other system app module know an app is - // being killed, removed or crashed. - var evt = document.createEvent('CustomEvent'); - evt.initCustomEvent('appterminated', true, false, { origin: origin }); - window.dispatchEvent(evt); - } - - // Reload the frame of the running app - function reload(origin) { - if (!isRunning(origin)) - return; - - var app = runningApps[origin]; - app.reload(); - } - - // When a resize event occurs, resize the running app, if there is one - // When the status bar is active it doubles in height so we need a resize - var appResizeEvents = ['resize', 'status-active', 'status-inactive', - 'keyboardchange', 'keyboardhide', - 'attentionscreenhide']; - appResizeEvents.forEach(function eventIterator(event) { - window.addEventListener(event, function on(evt) { - if (event == 'keyboardchange') { - // Cancel fullscreen if keyboard pops - if (document.mozFullScreen) - document.mozCancelFullScreen(); - - setAppHeight(evt.detail.height); - } else if (displayedApp) { - setAppSize(displayedApp); - } - }); - }); - - window.addEventListener('home', function(e) { - // If the lockscreen is active, it will stop propagation on this event - // and we'll never see it here. Similarly, other overlays may use this - // event to hide themselves and may prevent the event from getting here. - // Note that for this to work, the lockscreen and other overlays must - // be included in index.html before this one, so they can register their - // event handlers before we do. - - // If we are currently transitioning, the user would like to cancel - // it instead of toggling homescreen panels. - var inTransition = !!(openFrame || closeFrame); - - if (document.mozFullScreen) { - document.mozCancelFullScreen(); - } - - if (displayedApp !== homescreen || inTransition) { - if (displayedApp != ftuURL) { - setDisplayedApp(homescreen); - } else { - e.preventDefault(); - } - } else { - stopInlineActivity(true); - ensureHomescreen(true); - } - }); - - // Cancel dragstart event to workaround - // https://bugzilla.mozilla.org/show_bug.cgi?id=783076 - // which stops OOP home screen pannable with left mouse button on - // B2G/Desktop. - windows.addEventListener('dragstart', function(evt) { - evt.preventDefault(); - }, true); - - // With all important event handlers in place, we can now notify - // Gecko that we're ready for certain system services to send us - // messages (e.g. the radio). - // Note that shell.js starts listen for the mozContentEvent event at - // mozbrowserloadstart, which sometimes does not happen till window.onload. - window.addEventListener('load', function wm_loaded() { - window.removeEventListener('load', wm_loaded); - - var evt = new CustomEvent('mozContentEvent', - { bubbles: true, cancelable: false, - detail: { type: 'system-message-listener-ready' } }); - window.dispatchEvent(evt); - }); - - // This is code copied from - // http://dl.dropbox.com/u/8727858/physical-events/index.html - // It appears to workaround the Nexus S bug where we're not - // getting orientation data. See: - // https://bugzilla.mozilla.org/show_bug.cgi?id=753245 - // It seems it needs to be in both window_manager.js and bootstrap.js. - function dumbListener2(event) {} - window.addEventListener('devicemotion', dumbListener2); - - window.setTimeout(function() { - window.removeEventListener('devicemotion', dumbListener2); - }, 2000); - - // Return the object that holds the public API - return { - isFtuRunning: function() { - return isRunningFirstRunApp; - }, - launch: launch, - kill: kill, - reload: reload, - getDisplayedApp: getDisplayedApp, - setOrientationForApp: setOrientationForApp, - getAppFrame: getAppFrame, - getRunningApps: function() { - return runningApps; - }, - setDisplayedApp: setDisplayedApp, - getCurrentDisplayedApp: function() { - return runningApps[displayedApp]; - }, - hideCurrentApp: hideCurrentApp, - restoreCurrentApp: restoreCurrentApp, - retrieveHomescreen: retrieveHomescreen, - retrieveFTU: retrieveFTU - }; -}()); - |