summaryrefslogtreecommitdiffstats
path: root/application/basilisk/base/content/browser-ctrlTab.js
diff options
context:
space:
mode:
Diffstat (limited to 'application/basilisk/base/content/browser-ctrlTab.js')
-rw-r--r--application/basilisk/base/content/browser-ctrlTab.js586
1 files changed, 0 insertions, 586 deletions
diff --git a/application/basilisk/base/content/browser-ctrlTab.js b/application/basilisk/base/content/browser-ctrlTab.js
deleted file mode 100644
index fba07be20..000000000
--- a/application/basilisk/base/content/browser-ctrlTab.js
+++ /dev/null
@@ -1,586 +0,0 @@
-/* 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
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/**
- * Tab previews utility, produces thumbnails
- */
-var tabPreviews = {
- init: function tabPreviews_init() {
- if (this._selectedTab)
- return;
- this._selectedTab = gBrowser.selectedTab;
-
- gBrowser.tabContainer.addEventListener("TabSelect", this);
- gBrowser.tabContainer.addEventListener("SSTabRestored", this);
-
- let screenManager = Cc["@mozilla.org/gfx/screenmanager;1"]
- .getService(Ci.nsIScreenManager);
- let left = {}, top = {}, width = {}, height = {};
- screenManager.primaryScreen.GetRectDisplayPix(left, top, width, height);
- this.aspectRatio = height.value / width.value;
- },
-
- get: function tabPreviews_get(aTab) {
- let uri = aTab.linkedBrowser.currentURI.spec;
-
- if (aTab.__thumbnail_lastURI &&
- aTab.__thumbnail_lastURI != uri) {
- aTab.__thumbnail = null;
- aTab.__thumbnail_lastURI = null;
- }
-
- if (aTab.__thumbnail)
- return aTab.__thumbnail;
-
- if (aTab.getAttribute("pending") == "true") {
- let img = new Image;
- img.src = PageThumbs.getThumbnailURL(uri);
- return img;
- }
-
- return this.capture(aTab, !aTab.hasAttribute("busy"));
- },
-
- capture: function tabPreviews_capture(aTab, aShouldCache) {
- let browser = aTab.linkedBrowser;
- let uri = browser.currentURI.spec;
- let canvas = PageThumbs.createCanvas(window);
- PageThumbs.shouldStoreThumbnail(browser, (aDoStore) => {
- if (aDoStore && aShouldCache) {
- PageThumbs.captureAndStore(browser, function() {
- let img = new Image;
- img.src = PageThumbs.getThumbnailURL(uri);
- aTab.__thumbnail = img;
- aTab.__thumbnail_lastURI = uri;
- canvas.getContext("2d").drawImage(img, 0, 0);
- });
- } else {
- PageThumbs.captureToCanvas(browser, canvas, () => {
- if (aShouldCache) {
- aTab.__thumbnail = canvas;
- aTab.__thumbnail_lastURI = uri;
- }
- });
- }
- });
- return canvas;
- },
-
- handleEvent: function tabPreviews_handleEvent(event) {
- switch (event.type) {
- case "TabSelect":
- if (this._selectedTab &&
- this._selectedTab.parentNode &&
- !this._pendingUpdate) {
- // Generate a thumbnail for the tab that was selected.
- // The timeout keeps the UI snappy and prevents us from generating thumbnails
- // for tabs that will be closed. During that timeout, don't generate other
- // thumbnails in case multiple TabSelect events occur fast in succession.
- this._pendingUpdate = true;
- setTimeout(function(self, aTab) {
- self._pendingUpdate = false;
- if (aTab.parentNode &&
- !aTab.hasAttribute("busy") &&
- !aTab.hasAttribute("pending"))
- self.capture(aTab, true);
- }, 2000, this, this._selectedTab);
- }
- this._selectedTab = event.target;
- break;
- case "SSTabRestored":
- this.capture(event.target, true);
- break;
- }
- }
-};
-
-var tabPreviewPanelHelper = {
- opening(host) {
- host.panel.hidden = false;
-
- var handler = this._generateHandler(host);
- host.panel.addEventListener("popupshown", handler);
- host.panel.addEventListener("popuphiding", handler);
-
- host._prevFocus = document.commandDispatcher.focusedElement;
- },
- _generateHandler(host) {
- var self = this;
- return function(event) {
- if (event.target == host.panel) {
- host.panel.removeEventListener(event.type, arguments.callee);
- self["_" + event.type](host);
- }
- };
- },
- _popupshown(host) {
- if ("setupGUI" in host)
- host.setupGUI();
- },
- _popuphiding(host) {
- if ("suspendGUI" in host)
- host.suspendGUI();
-
- if (host._prevFocus) {
- Services.focus.setFocus(host._prevFocus, Ci.nsIFocusManager.FLAG_NOSCROLL);
- host._prevFocus = null;
- } else
- gBrowser.selectedBrowser.focus();
-
- if (host.tabToSelect) {
- gBrowser.selectedTab = host.tabToSelect;
- host.tabToSelect = null;
- }
- }
-};
-
-/**
- * Ctrl-Tab panel
- */
-var ctrlTab = {
- get panel() {
- delete this.panel;
- return this.panel = document.getElementById("ctrlTab-panel");
- },
- get showAllButton() {
- delete this.showAllButton;
- return this.showAllButton = document.getElementById("ctrlTab-showAll");
- },
- get previews() {
- delete this.previews;
- return this.previews = this.panel.getElementsByClassName("ctrlTab-preview");
- },
- get maxTabPreviews() {
- delete this.maxTabPreviews;
- return this.maxTabPreviews = this.previews.length - 1;
- },
- get canvasWidth() {
- delete this.canvasWidth;
- return this.canvasWidth = Math.ceil(screen.availWidth * .85 / this.maxTabPreviews);
- },
- get canvasHeight() {
- delete this.canvasHeight;
- return this.canvasHeight = Math.round(this.canvasWidth * tabPreviews.aspectRatio);
- },
- get keys() {
- var keys = {};
- ["close", "find", "selectAll"].forEach(function(key) {
- keys[key] = document.getElementById("key_" + key)
- .getAttribute("key")
- .toLocaleLowerCase().charCodeAt(0);
- });
- delete this.keys;
- return this.keys = keys;
- },
- _selectedIndex: 0,
- get selected() {
- return this._selectedIndex < 0 ?
- document.activeElement :
- this.previews.item(this._selectedIndex);
- },
- get isOpen() {
- return this.panel.state == "open" || this.panel.state == "showing" || this._timer;
- },
- get tabCount() {
- return this.tabList.length;
- },
- get tabPreviewCount() {
- return Math.min(this.maxTabPreviews, this.tabCount);
- },
-
- get tabList() {
- return this._recentlyUsedTabs;
- },
-
- init: function ctrlTab_init() {
- if (!this._recentlyUsedTabs) {
- tabPreviews.init();
-
- this._initRecentlyUsedTabs();
- this._init(true);
- }
- },
-
- uninit: function ctrlTab_uninit() {
- this._recentlyUsedTabs = null;
- this._init(false);
- },
-
- prefName: "browser.ctrlTab.previews",
- readPref: function ctrlTab_readPref() {
- var enable =
- gPrefService.getBoolPref(this.prefName) &&
- (!gPrefService.prefHasUserValue("browser.ctrlTab.disallowForScreenReaders") ||
- !gPrefService.getBoolPref("browser.ctrlTab.disallowForScreenReaders"));
-
- if (enable)
- this.init();
- else
- this.uninit();
- },
- observe(aSubject, aTopic, aPrefName) {
- this.readPref();
- },
-
- updatePreviews: function ctrlTab_updatePreviews() {
- for (let i = 0; i < this.previews.length; i++)
- this.updatePreview(this.previews[i], this.tabList[i]);
-
- var showAllLabel = gNavigatorBundle.getString("ctrlTab.listAllTabs.label");
- this.showAllButton.label =
- PluralForm.get(this.tabCount, showAllLabel).replace("#1", this.tabCount);
- this.showAllButton.hidden = !allTabs.canOpen;
- },
-
- updatePreview: function ctrlTab_updatePreview(aPreview, aTab) {
- if (aPreview == this.showAllButton)
- return;
-
- aPreview._tab = aTab;
-
- if (aPreview.firstChild)
- aPreview.removeChild(aPreview.firstChild);
- if (aTab) {
- let canvasWidth = this.canvasWidth;
- let canvasHeight = this.canvasHeight;
- aPreview.appendChild(tabPreviews.get(aTab));
- aPreview.setAttribute("label", aTab.label);
- aPreview.setAttribute("tooltiptext", aTab.label);
- aPreview.setAttribute("canvaswidth", canvasWidth);
- aPreview.setAttribute("canvasstyle",
- "max-width:" + canvasWidth + "px;" +
- "min-width:" + canvasWidth + "px;" +
- "max-height:" + canvasHeight + "px;" +
- "min-height:" + canvasHeight + "px;");
- if (aTab.image)
- aPreview.setAttribute("image", aTab.image);
- else
- aPreview.removeAttribute("image");
- aPreview.hidden = false;
- } else {
- aPreview.hidden = true;
- aPreview.removeAttribute("label");
- aPreview.removeAttribute("tooltiptext");
- aPreview.removeAttribute("image");
- }
- },
-
- advanceFocus: function ctrlTab_advanceFocus(aForward) {
- let selectedIndex = Array.indexOf(this.previews, this.selected);
- do {
- selectedIndex += aForward ? 1 : -1;
- if (selectedIndex < 0)
- selectedIndex = this.previews.length - 1;
- else if (selectedIndex >= this.previews.length)
- selectedIndex = 0;
- } while (this.previews[selectedIndex].hidden);
-
- if (this._selectedIndex == -1) {
- // Focus is already in the panel.
- this.previews[selectedIndex].focus();
- } else {
- this._selectedIndex = selectedIndex;
- }
-
- if (this._timer) {
- clearTimeout(this._timer);
- this._timer = null;
- this._openPanel();
- }
- },
-
- _mouseOverFocus: function ctrlTab_mouseOverFocus(aPreview) {
- if (this._trackMouseOver)
- aPreview.focus();
- },
-
- pick: function ctrlTab_pick(aPreview) {
- if (!this.tabCount)
- return;
-
- var select = (aPreview || this.selected);
-
- if (select == this.showAllButton)
- this.showAllTabs();
- else
- this.close(select._tab);
- },
-
- showAllTabs: function ctrlTab_showAllTabs(aPreview) {
- this.close();
- document.getElementById("Browser:ShowAllTabs").doCommand();
- },
-
- remove: function ctrlTab_remove(aPreview) {
- if (aPreview._tab)
- gBrowser.removeTab(aPreview._tab);
- },
-
- attachTab: function ctrlTab_attachTab(aTab, aPos) {
- if (aTab.closing)
- return;
-
- if (aPos == 0)
- this._recentlyUsedTabs.unshift(aTab);
- else if (aPos)
- this._recentlyUsedTabs.splice(aPos, 0, aTab);
- else
- this._recentlyUsedTabs.push(aTab);
- },
-
- detachTab: function ctrlTab_detachTab(aTab) {
- var i = this._recentlyUsedTabs.indexOf(aTab);
- if (i >= 0)
- this._recentlyUsedTabs.splice(i, 1);
- },
-
- open: function ctrlTab_open() {
- if (this.isOpen)
- return;
-
- document.addEventListener("keyup", this, true);
-
- this.updatePreviews();
- this._selectedIndex = 1;
-
- // Add a slight delay before showing the UI, so that a quick
- // "ctrl-tab" keypress just flips back to the MRU tab.
- this._timer = setTimeout(function(self) {
- self._timer = null;
- self._openPanel();
- }, 200, this);
- },
-
- _openPanel: function ctrlTab_openPanel() {
- tabPreviewPanelHelper.opening(this);
-
- this.panel.width = Math.min(screen.availWidth * .99,
- this.canvasWidth * 1.25 * this.tabPreviewCount);
- var estimateHeight = this.canvasHeight * 1.25 + 75;
- this.panel.openPopupAtScreen(screen.availLeft + (screen.availWidth - this.panel.width) / 2,
- screen.availTop + (screen.availHeight - estimateHeight) / 2,
- false);
- },
-
- close: function ctrlTab_close(aTabToSelect) {
- if (!this.isOpen)
- return;
-
- if (this._timer) {
- clearTimeout(this._timer);
- this._timer = null;
- this.suspendGUI();
- if (aTabToSelect)
- gBrowser.selectedTab = aTabToSelect;
- return;
- }
-
- this.tabToSelect = aTabToSelect;
- this.panel.hidePopup();
- },
-
- setupGUI: function ctrlTab_setupGUI() {
- this.selected.focus();
- this._selectedIndex = -1;
-
- // Track mouse movement after a brief delay so that the item that happens
- // to be under the mouse pointer initially won't be selected unintentionally.
- this._trackMouseOver = false;
- setTimeout(function(self) {
- if (self.isOpen)
- self._trackMouseOver = true;
- }, 0, this);
- },
-
- suspendGUI: function ctrlTab_suspendGUI() {
- document.removeEventListener("keyup", this, true);
-
- for (let preview of this.previews) {
- this.updatePreview(preview, null);
- }
- },
-
- onKeyPress: function ctrlTab_onKeyPress(event) {
- var isOpen = this.isOpen;
-
- if (isOpen) {
- event.preventDefault();
- event.stopPropagation();
- }
-
- switch (event.keyCode) {
- case event.DOM_VK_TAB:
- if (event.ctrlKey && !event.altKey && !event.metaKey) {
- if (isOpen) {
- this.advanceFocus(!event.shiftKey);
- } else if (!event.shiftKey) {
- event.preventDefault();
- event.stopPropagation();
- let tabs = gBrowser.visibleTabs;
- if (tabs.length > 2) {
- this.open();
- } else if (tabs.length == 2) {
- let index = tabs[0].selected ? 1 : 0;
- gBrowser.selectedTab = tabs[index];
- }
- }
- }
- break;
- default:
- if (isOpen && event.ctrlKey) {
- if (event.keyCode == event.DOM_VK_DELETE) {
- this.remove(this.selected);
- break;
- }
- switch (event.charCode) {
- case this.keys.close:
- this.remove(this.selected);
- break;
- case this.keys.find:
- case this.keys.selectAll:
- this.showAllTabs();
- break;
- }
- }
- }
- },
-
- removeClosingTabFromUI: function ctrlTab_removeClosingTabFromUI(aTab) {
- if (this.tabCount == 2) {
- this.close();
- return;
- }
-
- this.updatePreviews();
-
- if (this.selected.hidden)
- this.advanceFocus(false);
- if (this.selected == this.showAllButton)
- this.advanceFocus(false);
-
- // If the current tab is removed, another tab can steal our focus.
- if (aTab.selected && this.panel.state == "open") {
- setTimeout(function(selected) {
- selected.focus();
- }, 0, this.selected);
- }
- },
-
- handleEvent: function ctrlTab_handleEvent(event) {
- switch (event.type) {
- case "SSWindowRestored":
- this._initRecentlyUsedTabs();
- break;
- case "TabAttrModified":
- // tab attribute modified (e.g. label, busy, image, selected)
- for (let i = this.previews.length - 1; i >= 0; i--) {
- if (this.previews[i]._tab && this.previews[i]._tab == event.target) {
- this.updatePreview(this.previews[i], event.target);
- break;
- }
- }
- break;
- case "TabSelect":
- this.detachTab(event.target);
- this.attachTab(event.target, 0);
- break;
- case "TabOpen":
- this.attachTab(event.target, 1);
- break;
- case "TabClose":
- this.detachTab(event.target);
- if (this.isOpen)
- this.removeClosingTabFromUI(event.target);
- break;
- case "keypress":
- this.onKeyPress(event);
- break;
- case "keyup":
- if (event.keyCode == event.DOM_VK_CONTROL)
- this.pick();
- break;
- case "popupshowing":
- if (event.target.id == "menu_viewPopup")
- document.getElementById("menu_showAllTabs").hidden = !allTabs.canOpen;
- break;
- }
- },
-
- filterForThumbnailExpiration(aCallback) {
- // Save a few more thumbnails than we actually display, so that when tabs
- // are closed, the previews we add instead still get thumbnails.
- const extraThumbnails = 3;
- const thumbnailCount = Math.min(this.tabPreviewCount + extraThumbnails,
- this.tabCount);
-
- let urls = [];
- for (let i = 0; i < thumbnailCount; i++)
- urls.push(this.tabList[i].linkedBrowser.currentURI.spec);
-
- aCallback(urls);
- },
-
- _initRecentlyUsedTabs() {
- this._recentlyUsedTabs =
- Array.filter(gBrowser.tabs, tab => !tab.closing)
- .sort((tab1, tab2) => tab2.lastAccessed - tab1.lastAccessed);
- },
-
- _init: function ctrlTab__init(enable) {
- var toggleEventListener = enable ? "addEventListener" : "removeEventListener";
-
- window[toggleEventListener]("SSWindowRestored", this, false);
-
- var tabContainer = gBrowser.tabContainer;
- tabContainer[toggleEventListener]("TabOpen", this, false);
- tabContainer[toggleEventListener]("TabAttrModified", this, false);
- tabContainer[toggleEventListener]("TabSelect", this, false);
- tabContainer[toggleEventListener]("TabClose", this, false);
-
- document[toggleEventListener]("keypress", this, false);
- gBrowser.mTabBox.handleCtrlTab = !enable;
-
- if (enable)
- PageThumbs.addExpirationFilter(this);
- else
- PageThumbs.removeExpirationFilter(this);
-
- // If we're not running, hide the "Show All Tabs" menu item,
- // as Shift+Ctrl+Tab will be handled by the tab bar.
- document.getElementById("menu_showAllTabs").hidden = !enable;
- document.getElementById("menu_viewPopup")[toggleEventListener]("popupshowing", this);
-
- // Also disable the <key> to ensure Shift+Ctrl+Tab never triggers
- // Show All Tabs.
- var key_showAllTabs = document.getElementById("key_showAllTabs");
- if (enable)
- key_showAllTabs.removeAttribute("disabled");
- else
- key_showAllTabs.setAttribute("disabled", "true");
- }
-};
-
-
-/**
- * All Tabs menu
- */
-var allTabs = {
- get toolbarButton() {
- return document.getElementById("alltabs-button");
- },
-
- get canOpen() {
- return isElementVisible(this.toolbarButton);
- },
-
- open: function allTabs_open() {
- if (this.canOpen) {
- // Without setTimeout, the menupopup won't stay open when invoking
- // "View > Show All Tabs" and the menu bar auto-hides.
- setTimeout(() => {
- this.toolbarButton.open = true;
- }, 0);
- }
- }
-};