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this fixes #246 -- FF tab management re-factored

pull/2/head
gorhill 10 years ago
parent
fd4a7579f1
commit
d6a48df601
1 changed files with 400 additions and 278 deletions
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  1. 678
      platform/firefox/vapi-background.js

678
platform/firefox/vapi-background.js
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@ -129,6 +129,41 @@ window.addEventListener('unload', function() {
/******************************************************************************/
vAPI.browserSettings = {
setBool: function(branch, setting, value) {
try {
Services.prefs
.getBranch(branch + '.')
.setBoolPref(setting, value);
} catch (ex) {
}
},
set: function(details) {
for ( var setting in details ) {
if ( details.hasOwnProperty(setting) === false ) {
continue;
}
switch ( setting ) {
case 'prefetching':
this.setBool('network', 'prefetch-next', !!details[setting]);
break;
case 'hyperlinkAuditing':
this.setBool('browser', 'send_pings', !!details[setting]);
this.setBool('beacon', 'enabled', !!details[setting]);
break;
default:
break;
}
}
}
};
/******************************************************************************/
// API matches that of chrome.storage.local:
// https://developer.chrome.com/extensions/storage
@ -392,277 +427,70 @@ vAPI.storage = (function() {
/******************************************************************************/
var windowWatcher = {
onReady: function(e) {
if ( e ) {
this.removeEventListener(e.type, windowWatcher.onReady);
}
var wintype = this.document.documentElement.getAttribute('windowtype');
if ( wintype !== 'navigator:browser' ) {
return;
}
var tabBrowser = getTabBrowser(this);
if ( !tabBrowser || !tabBrowser.tabContainer ) {
return;
}
var tabContainer = tabBrowser.tabContainer;
tabContainer.addEventListener('TabClose', tabWatcher.onTabClose);
tabContainer.addEventListener('TabSelect', tabWatcher.onTabSelect);
tabBrowser.addTabsProgressListener(tabWatcher);
vAPI.contextMenu.register(this.document);
// when new window is opened TabSelect doesn't run on the selected tab?
},
observe: function(win, topic) {
if ( topic === 'domwindowopened' ) {
win.addEventListener('DOMContentLoaded', this.onReady);
}
}
};
/******************************************************************************/
var tabWatcher = {
SAME_DOCUMENT: Ci.nsIWebProgressListener.LOCATION_CHANGE_SAME_DOCUMENT,
onTabClose: function({target}) {
// target is tab in Firefox, browser in Fennec
var tabId = vAPI.tabs.getTabId(target);
if ( tabId === vAPI.noTabId ) {
return;
}
vAPI.tabs.onClosed(tabId);
delete vAPI.toolbarButton.tabs[tabId];
},
onTabSelect: function({target}) {
var tabId = vAPI.tabs.getTabId(target);
if ( tabId === vAPI.noTabId ) {
return;
}
vAPI.setIcon(tabId, getOwnerWindow(target));
},
onLocationChange: function(browser, webProgress, request, location, flags) {
if ( !webProgress.isTopLevel ) {
return;
}
var tabId = vAPI.tabs.getTabId(browser);
// LOCATION_CHANGE_SAME_DOCUMENT = "did not load a new document"
if ( flags & this.SAME_DOCUMENT ) {
vAPI.tabs.onUpdated(tabId, {url: location.asciiSpec}, {
tabId: tabId,
url: browser.currentURI.asciiSpec
});
return;
}
// https://github.com/gorhill/uBlock/issues/105
// Allow any kind of pages
vAPI.tabs.onNavigation({
tabId: tabId,
url: location.asciiSpec
});
}
};
/******************************************************************************/
vAPI.isBehindTheSceneTabId = function(tabId) {
return tabId.toString() === '-1';
};
vAPI.noTabId = '-1';
/******************************************************************************/
var getTabBrowser = function(win) {
return win.gBrowser || null;
};
/******************************************************************************/
var getBrowserForTab = function(tab) {
if ( !tab ) {
return null;
}
return tab.linkedBrowser || null;
};
/******************************************************************************/
var getOwnerWindow = function(target) {
if ( target.ownerDocument ) {
return target.ownerDocument.defaultView;
}
return null;
};
/******************************************************************************/
vAPI.tabs = {};
/******************************************************************************/
vAPI.tabs.registerListeners = function() {
// onNavigation and onUpdated handled with tabWatcher.onLocationChange
// onClosed - handled in tabWatcher.onTabClose
for ( var win of this.getWindows() ) {
windowWatcher.onReady.call(win);
}
Services.ww.registerNotification(windowWatcher);
cleanupTasks.push(function() {
Services.ww.unregisterNotification(windowWatcher);
for ( var win of vAPI.tabs.getWindows() ) {
vAPI.contextMenu.unregister(win.document);
win.removeEventListener('DOMContentLoaded', windowWatcher.onReady);
var tabContainer;
var tabBrowser = getTabBrowser(win);
if ( !tabBrowser ) {
continue;
}
if ( tabBrowser.tabContainer ) {
tabContainer = tabBrowser.tabContainer;
tabBrowser.removeTabsProgressListener(tabWatcher);
}
tabContainer.removeEventListener('TabClose', tabWatcher.onTabClose);
tabContainer.removeEventListener('TabSelect', tabWatcher.onTabSelect);
// Close extension tabs
for ( var tab of tabBrowser.tabs ) {
var browser = getBrowserForTab(tab);
if ( browser === null ) {
continue;
}
var URI = browser.currentURI;
if ( URI.schemeIs('chrome') && URI.host === location.host ) {
vAPI.tabs._remove(tab, getTabBrowser(win));
}
}
}
});
vAPI.isBehindTheSceneTabId = function(tabId) {
return tabId.toString() === '-1';
};
/******************************************************************************/
vAPI.tabs.stack = new WeakMap();
vAPI.tabs.stackId = 1;
vAPI.noTabId = '-1';
/******************************************************************************/
vAPI.tabs.getTabId = function(target) {
if ( !target ) {
return vAPI.noTabId;
}
if ( target.linkedPanel ) {
target = target.linkedBrowser; // target is a tab
}
if ( target.localName !== 'browser' ) {
return vAPI.noTabId;
}
var tabId = this.stack.get(target);
if ( tabId ) {
return tabId;
}
tabId = '' + this.stackId++;
this.stack.set(target, tabId);
// https://github.com/gorhill/uMatrix/issues/189
// If a new tabid-tab pair is created, tell the client code about it.
if ( this.onNavigation ) {
this.onNavigation({
tabId: tabId,
url: target.currentURI.asciiSpec
});
}
return tabId;
};
vAPI.tabs = {};
/******************************************************************************/
// If tabIds is an array, then an array of tabs will be returned,
// otherwise a single tab
vAPI.tabs.getTabsForIds = function(tabIds) {
var tabs = [];
var singleTab = !Array.isArray(tabIds);
if ( singleTab ) {
tabIds = [tabIds];
}
for ( var tab of this.getAllSync() ) {
var tabId = this.stack.get(getBrowserForTab(tab));
if ( !tabId ) {
continue;
}
if ( tabIds.indexOf(tabId) !== -1 ) {
if ( singleTab ) {
return tab;
}
tabs.push(tab);
}
if ( tabs.length >= tabIds.length ) {
break;
}
}
return tabs.length !== 0 ? tabs : null;
vAPI.tabs.registerListeners = function() {
tabWatcher.start();
};
/******************************************************************************/
vAPI.tabs.get = function(tabId, callback) {
var tab, win;
var browser;
if ( tabId === null ) {
win = Services.wm.getMostRecentWindow('navigator:browser');
tab = getTabBrowser(win).selectedTab;
tabId = this.getTabId(tab);
browser = tabWatcher.currentBrowser();
tabId = tabWatcher.tabIdFromTarget(browser);
} else {
tab = this.getTabsForIds(tabId);
if ( tab ) {
win = getOwnerWindow(tab);
}
browser = tabWatcher.browserFromTabId(tabId);
}
// For internal use
if ( typeof callback !== 'function' ) {
return tab;
return browser;
}
if ( !tab ) {
if ( !browser ) {
callback();
return;
}
var windows = this.getWindows();
var browser = getBrowserForTab(tab);
var win = getOwnerWindow(browser);
var tabBrowser = getTabBrowser(win);
var tabIndex = tabBrowser.browsers.indexOf(browser);
var tabTitle = tab.label;
var windows = this.getWindows();
callback({
id: tabId,
index: tabIndex,
index: tabWatcher.indexFromTarget(browser),
windowId: windows.indexOf(win),
active: tab === tabBrowser.selectedTab,
active: browser === tabBrowser.selectedBrowser,
url: browser.currentURI.asciiSpec,
title: tabTitle
title: browser.contentTitle
});
};
@ -693,24 +521,22 @@ vAPI.tabs.getAllSync = function(window) {
/******************************************************************************/
vAPI.tabs.getAll = function(callback) {
var tabs = [];
var win, tab;
var tabs = [], tab;
for ( win of this.getWindows() ) {
var tabBrowser = getTabBrowser(win);
if ( tabBrowser === null ) {
for ( var browser of tabWatcher.browsers() ) {
tab = tabWatcher.tabFromBrowser(browser);
if ( tab === null ) {
continue;
}
for ( tab of tabBrowser.tabs ) {
if ( tab.hasAttribute('pending') ) {
continue;
}
tabs.push({
id: this.getTabId(tab),
url: getBrowserForTab(tab).currentURI.asciiSpec
});
if ( tab.hasAttribute('pending') ) {
continue;
}
tabs.push({
id: tabWatcher.tabIdFromTarget(browser),
url: browser.currentURI.asciiSpec
});
}
callback(tabs);
};
@ -749,13 +575,13 @@ vAPI.tabs.open = function(details) {
details.url = vAPI.getURL(details.url);
}
var win, tab, tabBrowser;
var tab;
if ( details.select ) {
var URI = Services.io.newURI(details.url, null, null);
for ( tab of this.getAllSync() ) {
var browser = getBrowserForTab(tab);
var browser = tabWatcher.browserFromTarget(tab);
// Or simply .equals if we care about the fragment
if ( URI.equalsExceptRef(browser.currentURI) === false ) {
@ -772,15 +598,15 @@ vAPI.tabs.open = function(details) {
}
if ( details.tabId ) {
tab = this.getTabsForIds(details.tabId);
tab = tabWatcher.browserFromTabId(details.tabId);
if ( tab ) {
getBrowserForTab(tab).loadURI(details.url);
tabWatcher.browserFromTarget(tab).loadURI(details.url);
return;
}
}
win = Services.wm.getMostRecentWindow('navigator:browser');
tabBrowser = getTabBrowser(win);
var win = Services.wm.getMostRecentWindow('navigator:browser');
var tabBrowser = getTabBrowser(win);
if ( details.index === -1 ) {
details.index = tabBrowser.browsers.indexOf(tabBrowser.selectedBrowser) + 1;
@ -805,9 +631,9 @@ vAPI.tabs.replace = function(tabId, url) {
targetURL = vAPI.getURL(targetURL);
}
var tab = this.getTabsForIds(tabId);
if ( tab ) {
getBrowserForTab(tab).loadURI(targetURL);
var browser = tabWatcher.browserFromTabId(tabId);
if ( browser ) {
browser.loadURI(targetURL);
}
};
@ -820,50 +646,46 @@ vAPI.tabs._remove = function(tab, tabBrowser) {
/******************************************************************************/
vAPI.tabs.remove = function(tabIds) {
if ( !Array.isArray(tabIds) ) {
tabIds = [tabIds];
}
var tabs = this.getTabsForIds(tabIds);
if ( !tabs ) {
var browser = tabWatcher.browserFromTabId(tabId);
if ( !browser ) {
return;
}
for ( var tab of tabs ) {
this._remove(tab, getTabBrowser(getOwnerWindow(tab)));
var tab = tabWatcher.tabFromBrowser(browser);
if ( !tab ) {
return;
}
this._remove(tab, getTabBrowser(getOwnerWindow(browser)));
};
/******************************************************************************/
vAPI.tabs.reload = function(tabId) {
var tab = this.get(tabId);
if ( !tab ) {
var browser = tabWatcher.browserFromTabId(tabId);
if ( !browser ) {
return;
}
getBrowserForTab(tab).webNavigation.reload(
Ci.nsIWebNavigation.LOAD_FLAGS_BYPASS_CACHE
);
browser.webNavigation.reload(Ci.nsIWebNavigation.LOAD_FLAGS_BYPASS_CACHE);
};
/******************************************************************************/
vAPI.tabs.select = function(tab) {
tab = typeof tab === 'object' ? tab : this.get(tab);
if ( typeof tab !== 'object' ) {
tab = tabWatcher.tabFromBrowser(tabWatcher.browserFromTabId(tab));
}
if ( !tab ) {
return;
}
getTabBrowser(getOwnerWindow(tab)).selectedTab = tab;
var tabBrowser = getTabBrowser(getOwnerWindow(tab)).selectedTab = tab;
};
/******************************************************************************/
vAPI.tabs.injectScript = function(tabId, details, callback) {
var tab = this.get(tabId);
if ( !tab ) {
var browser = tabWatcher.browserFromTabId(tabId);
if ( !browser ) {
return;
}
@ -872,7 +694,7 @@ vAPI.tabs.injectScript = function(tabId, details, callback) {
}
details.file = vAPI.getURL(details.file);
getBrowserForTab(tab).messageManager.sendAsyncMessage(
browser.messageManager.sendAsyncMessage(
location.host + ':broadcast',
JSON.stringify({
broadcast: true,
@ -891,6 +713,309 @@ vAPI.tabs.injectScript = function(tabId, details, callback) {
/******************************************************************************/
// Firefox:
// https://developer.mozilla.org/en-US/Add-ons/Code_snippets/Tabbed_browser
//
// browser --> ownerDocument --> defaultView --> gBrowser --> browsers --+
// ^ |
// | |
// +-------------------------------------------------------------------
//
// browser (browser)
// contentTitle
// currentURI
// ownerDocument (XULDocument)
// defaultView (ChromeWindow)
// gBrowser (tabbrowser OR browser)
// browsers (browser)
// selectedBrowser
// selectedTab
// tabs (tab.tabbrowser-tab)
//
// Fennec: (what I figured so far)
//
// tab --> browser windows --> window --> BrowserApp --> tabs --+
// ^ window |
// | |
// +---------------------------------------------------------------+
//
// tab
// browser
// [manual search to go back to tab from list of windows]
var tabWatcher = (function() {
// TODO: find out whether we need a janitor to take care of stale entries.
var browserToTabIdMap = new Map();
var tabIdToBrowserMap = new Map();
var tabIdGenerator = 1;
var indexFromBrowser = function(browser) {
var win = getOwnerWindow(browser);
if ( !win ) {
return -1;
}
var tabbrowser = getTabBrowser(win);
if ( !tabbrowser ) {
return -1;
}
// This can happen, for example, the `view-source:` window, there is
// no tabbrowser object, the browser object sits directly in the
// window.
if ( tabbrowser === browser ) {
return 0;
}
// Fennec
// https://developer.mozilla.org/en-US/Add-ons/Firefox_for_Android/API/BrowserApp
if ( vAPI.fennec ) {
return tabbrowser.tabs.indexOf(tabbrowser.getTabForBrowser(browser));
}
return tabbrowser.browsers.indexOf(browser);
};
var indexFromTarget = function(target) {
return indexFromBrowser(browserFromTarget(target));
};
var tabFromBrowser = function(browser) {
var i = indexFromBrowser(browser);
if ( i === -1 ) {
return null;
}
var win = getOwnerWindow(browser);
if ( !win ) {
return null;
}
var tabbrowser = getTabBrowser(win);
if ( !tabbrowser ) {
return null;
}
if ( !tabbrowser.tabs || i >= tabbrowser.tabs.length ) {
return null;
}
return tabbrowser.tabs[i];
};
var browserFromTarget = function(target) {
if ( !target ) {
return null;
}
if ( vAPI.fennec ) {
if ( target.browser ) { // target is a tab
target = target.browser;
}
} else if ( target.linkedPanel ) { // target is a tab
target = target.linkedBrowser;
}
if ( target.localName !== 'browser' ) {
return null;
}
return target;
};
var tabIdFromTarget = function(target) {
var browser = browserFromTarget(target);
if ( browser === null ) {
return vAPI.noTabId;
}
var tabId = browserToTabIdMap.get(browser);
if ( tabId === undefined ) {
tabId = '' + tabIdGenerator++;
browserToTabIdMap.set(browser, tabId);
tabIdToBrowserMap.set(tabId, browser);
}
return tabId;
};
var browserFromTabId = function(tabId) {
var browser = tabIdToBrowserMap.get(tabId);
if ( browser === undefined ) {
return null;
}
// Verify that the browser is still live
if ( indexFromBrowser(browser) !== -1 ) {
return browser;
}
removeBrowserEntry(tabId, browser);
return null;
};
var currentBrowser = function() {
var win = Services.wm.getMostRecentWindow('navigator:browser');
return browserFromTarget(getTabBrowser(win).selectedTab);
};
var removeBrowserEntry = function(tabId, browser) {
if ( tabId && tabId !== vAPI.noTabId ) {
vAPI.tabs.onClosed(tabId);
delete vAPI.toolbarButton.tabs[tabId];
tabIdToBrowserMap.delete(tabId);
}
if ( browser ) {
browserToTabIdMap.delete(browser);
}
};
// https://developer.mozilla.org/en-US/docs/Web/Events/TabOpen
var onOpen = function({target}) {
var tabId = tabIdFromTarget(target);
var browser = browserFromTabId(tabId);
vAPI.tabs.onNavigation({
frameId: 0,
tabId: tabId,
url: browser.currentURI.asciiSpec,
});
};
// https://developer.mozilla.org/en-US/docs/Web/Events/TabShow
var onShow = function({target}) {
tabIdFromTarget(target);
};
// https://developer.mozilla.org/en-US/docs/Web/Events/TabClose
var onClose = function({target}) {
// target is tab in Firefox, browser in Fennec
var browser = browserFromTarget(target);
var tabId = browserToTabIdMap.get(browser);
removeBrowserEntry(tabId, browser);
};
// https://developer.mozilla.org/en-US/docs/Web/Events/TabSelect
var onSelect = function({target}) {
vAPI.setIcon(tabIdFromTarget(target), getOwnerWindow(target));
};
var onWindowLoad = function(ev) {
if ( ev ) {
this.removeEventListener(ev.type, onWindowLoad);
}
var wintype = this.document.documentElement.getAttribute('windowtype');
if ( wintype !== 'navigator:browser' ) {
return;
}
var tabBrowser = getTabBrowser(this);
if ( !tabBrowser ) {
return;
}
var tabContainer;
if ( tabBrowser.deck ) {
// Fennec
tabContainer = tabBrowser.deck;
} else if ( tabBrowser.tabContainer ) {
// desktop Firefox
tabContainer = tabBrowser.tabContainer;
vAPI.contextMenu.register(this.document);
} else {
return;
}
tabContainer.addEventListener('TabOpen', onOpen);
tabContainer.addEventListener('TabShow', onShow);
tabContainer.addEventListener('TabClose', onClose);
tabContainer.addEventListener('TabSelect', onSelect);
// when new window is opened TabSelect doesn't run on the selected tab?
};
var onWindowUnload = function() {
vAPI.contextMenu.unregister(this.document);
this.removeEventListener('DOMContentLoaded', onWindowLoad);
var tabBrowser = getTabBrowser(this);
if ( !tabBrowser ) {
return;
}
var tabContainer = null;
if ( tabBrowser.deck ) {
// Fennec
tabContainer = tabBrowser.deck;
} else if ( tabBrowser.tabContainer ) {
tabContainer = tabBrowser.tabContainer;
}
if ( tabContainer ) {
tabContainer.removeEventListener('TabOpen', onOpen);
tabContainer.removeEventListener('TabShow', onShow);
tabContainer.removeEventListener('TabClose', onClose);
tabContainer.removeEventListener('TabSelect', onSelect);
}
// Close extension tabs
var browser, URI, tabId;
for ( var tab of tabBrowser.tabs ) {
browser = tabWatcher.browserFromTarget(tab);
if ( browser === null ) {
continue;
}
URI = browser.currentURI;
if ( URI.schemeIs('chrome') && URI.host === location.host ) {
vAPI.tabs._remove(tab, getTabBrowser(this));
}
browser = browserFromTarget(tab);
tabId = browserToTabIdMap.get(browser);
if ( tabId !== undefined ) {
tabIdToBrowserMap.delete(tabId);
}
browserToTabIdMap.delete(browser);
}
};
// https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XPCOM/Reference/Interface/nsIWindowWatcher
var windowWatcher = {
observe: function(win, topic) {
if ( topic === 'domwindowopened' ) {
win.addEventListener('DOMContentLoaded', onWindowLoad);
}
}
};
// Initialize map with existing active tabs
var start = function() {
var tabBrowser, tab;
for ( var win of vAPI.tabs.getWindows() ) {
onWindowLoad.call(win);
tabBrowser = getTabBrowser(win);
if ( tabBrowser === null ) {
continue;
}
for ( tab of tabBrowser.tabs ) {
if ( vAPI.fennec || !tab.hasAttribute('pending') ) {
tabIdFromTarget(tab);
}
}
}
Services.ww.registerNotification(windowWatcher);
};
var stop = function() {
Services.ww.unregisterNotification(windowWatcher);
for ( var win of vAPI.tabs.getWindows() ) {
onWindowUnload.call(win);
}
browserToTabIdMap.clear();
tabIdToBrowserMap.clear();
};
cleanupTasks.push(stop);
return {
browsers: function() { return browserToTabIdMap.keys(); },
browserFromTabId: browserFromTabId,
browserFromTarget: browserFromTarget,
currentBrowser: currentBrowser,
indexFromTarget: indexFromTarget,
start: start,
tabFromBrowser: tabFromBrowser,
tabIdFromTarget: tabIdFromTarget
};
})();
/******************************************************************************/
vAPI.setIcon = function(tabId, iconId, badge) {
// If badge is undefined, then setIcon was called from the TabSelect event
var win;
@ -899,7 +1024,7 @@ vAPI.setIcon = function(tabId, iconId, badge) {
} else {
win = Services.wm.getMostRecentWindow('navigator:browser');
}
var curTabId = vAPI.tabs.getTabId(getTabBrowser(win).selectedTab);
var curTabId = tabWatcher.tabIdFromTarget(getTabBrowser(win).selectedTab);
var tb = vAPI.toolbarButton;
// from 'TabSelect' event
@ -963,7 +1088,7 @@ vAPI.messaging.onMessage = function({target, data}) {
var sender = {
tab: {
id: vAPI.tabs.getTabId(target)
id: tabWatcher.tabIdFromTarget(target)
}
};
@ -1314,7 +1439,7 @@ var httpObserver = {
.notificationCallbacks
.getInterface(Ci.nsILoadContext);
if ( loadContext.topFrameElement ) {
return vAPI.tabs.getTabId(loadContext.topFrameElement);
return tabWatcher.tabIdFromTarget(loadContext.topFrameElement);
}
aWindow = loadContext.associatedWindow;
} catch (ex) {
@ -1330,7 +1455,8 @@ var httpObserver = {
.associatedWindow;
}
if ( aWindow ) {
return vAPI.tabs.getTabId(aWindow
return tabWatcher.tabIdFromTarget(
aWindow
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShell)
.rootTreeItem
@ -1891,7 +2017,7 @@ vAPI.contextMenu.create = function(details, callback) {
}
callback(details, {
id: vAPI.tabs.getTabId(gContextMenu.browser),
id: tabWatcher.tabIdFromTarget(gContextMenu.browser),
url: gContextMenu.browser.currentURI.asciiSpec
});
};
@ -1924,7 +2050,7 @@ var optionsObserver = {
Services.obs.addObserver(this, 'addon-options-displayed', false);
cleanupTasks.push(this.unregister.bind(this));
var browser = getBrowserForTab(vAPI.tabs.get(null));
var browser = tabWatcher.currentBrowser();
if ( browser && browser.currentURI && browser.currentURI.spec === 'about:addons' ) {
this.observe(browser.contentDocument, 'addon-enabled', this.addonId);
}
@ -1973,12 +2099,8 @@ vAPI.lastError = function() {
// the web pages before uBlock was ready.
vAPI.onLoadAllCompleted = function() {
for ( var tab of this.tabs.getAllSync() ) {
// We're insterested in only the tabs that were already loaded
if ( tab.hasAttribute('pending') ) {
continue;
}
getBrowserForTab(tab).messageManager.sendAsyncMessage(
for ( var browser of tabWatcher.browsers() ) {
browser.messageManager.sendAsyncMessage(
location.host + '-load-completed'
);
}

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