diff options
Diffstat (limited to 'application/palemoon/base/content/newtab/page.js')
-rw-r--r-- | application/palemoon/base/content/newtab/page.js | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/application/palemoon/base/content/newtab/page.js b/application/palemoon/base/content/newtab/page.js deleted file mode 100644 index 7117d4527..000000000 --- a/application/palemoon/base/content/newtab/page.js +++ /dev/null @@ -1,292 +0,0 @@ -#ifdef 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/. */ -#endif - -// The amount of time we wait while coalescing updates for hidden pages. -const SCHEDULE_UPDATE_TIMEOUT_MS = 1000; - -/** - * This singleton represents the whole 'New Tab Page' and takes care of - * initializing all its components. - */ -var gPage = { - /** - * Initializes the page. - */ - init: function Page_init() { - // Add ourselves to the list of pages to receive notifications. - gAllPages.register(this); - - // Listen for 'unload' to unregister this page. - addEventListener("unload", this, false); - - // Listen for toggle button clicks. - let button = document.getElementById("newtab-toggle"); - button.addEventListener("click", e => this.toggleEnabled(e)); - - // XXX bug 991111 - Not all click events are correctly triggered when - // listening from xhtml nodes -- in particular middle clicks on sites, so - // listen from the xul window and filter then delegate - addEventListener("click", this, false); - - // Check if the new tab feature is enabled. - let enabled = gAllPages.enabled; - if (enabled) - this._init(); - - this._updateAttributes(enabled); - }, - - /** - * Listens for notifications specific to this page. - */ - observe: function Page_observe(aSubject, aTopic, aData) { - if (aTopic == "nsPref:changed") { - let enabled = gAllPages.enabled; - this._updateAttributes(enabled); - - // Update thumbnails to the new enhanced setting - if (aData == "browser.newtabpage.enhanced") { - this.update(); - } - - // Initialize the whole page if we haven't done that, yet. - if (enabled) { - this._init(); - } else { - gUndoDialog.hide(); - } - } else if (aTopic == "page-thumbnail:create" && gGrid.ready) { - for (let site of gGrid.sites) { - if (site && site.url === aData) { - site.refreshThumbnail(); - } - } - } - }, - - /** - * Updates the page's grid right away for visible pages. If the page is - * currently hidden, i.e. in a background tab or in the preloader, then we - * batch multiple update requests and refresh the grid once after a short - * delay. Accepts a single parameter the specifies the reason for requesting - * a page update. The page may decide to delay or prevent a requested updated - * based on the given reason. - */ - update(reason = "") { - // Update immediately if we're visible. - if (!document.hidden) { - // Ignore updates where reason=links-changed as those signal that the - // provider's set of links changed. We don't want to update visible pages - // in that case, it is ok to wait until the user opens the next tab. - if (reason != "links-changed" && gGrid.ready) { - gGrid.refresh(); - } - - return; - } - - // Bail out if we scheduled before. - if (this._scheduleUpdateTimeout) { - return; - } - - this._scheduleUpdateTimeout = setTimeout(() => { - // Refresh if the grid is ready. - if (gGrid.ready) { - gGrid.refresh(); - } - - this._scheduleUpdateTimeout = null; - }, SCHEDULE_UPDATE_TIMEOUT_MS); - }, - - /** - * Internally initializes the page. This runs only when/if the feature - * is/gets enabled. - */ - _init: function Page_init() { - if (this._initialized) - return; - - this._initialized = true; - - // Set submit button label for when CSS background are disabled (e.g. - // high contrast mode). - document.getElementById("searchSubmit").value = - document.body.getAttribute("dir") == "ltr" ? "\u25B6" : "\u25C0"; - - if (document.hidden) { - addEventListener("visibilitychange", this); - } else { - setTimeout(() => this.onPageFirstVisible()); - } - - // Initialize and render the grid. - gGrid.init(); - - // Initialize the drop target shim. - gDropTargetShim.init(); - -#ifdef XP_MACOSX - // Workaround to prevent a delay on MacOSX due to a slow drop animation. - document.addEventListener("dragover", this, false); - document.addEventListener("drop", this, false); -#endif - }, - - /** - * Updates the 'page-disabled' attributes of the respective DOM nodes. - * @param aValue Whether the New Tab Page is enabled or not. - */ - _updateAttributes: function Page_updateAttributes(aValue) { - // Set the nodes' states. - let nodeSelector = "#newtab-grid, #searchContainer"; - for (let node of document.querySelectorAll(nodeSelector)) { - if (aValue) - node.removeAttribute("page-disabled"); - else - node.setAttribute("page-disabled", "true"); - } - - // Enables/disables the control and link elements. - let inputSelector = ".newtab-control, .newtab-link"; - for (let input of document.querySelectorAll(inputSelector)) { - if (aValue) - input.removeAttribute("tabindex"); - else - input.setAttribute("tabindex", "-1"); - } - }, - - /** - * Handles unload event - */ - _handleUnloadEvent: function Page_handleUnloadEvent() { - gAllPages.unregister(this); - // compute page life-span and send telemetry probe: using milli-seconds will leave - // many low buckets empty. Instead we use half-second precision to make low end - // of histogram linear and not lose the change in user attention - let delta = Math.round((Date.now() - this._firstVisibleTime) / 500); - if (this._suggestedTilePresent) { - Services.telemetry.getHistogramById("NEWTAB_PAGE_LIFE_SPAN_SUGGESTED").add(delta); - } - else { - Services.telemetry.getHistogramById("NEWTAB_PAGE_LIFE_SPAN").add(delta); - } - }, - - /** - * Handles all page events. - */ - handleEvent: function Page_handleEvent(aEvent) { - switch (aEvent.type) { - case "load": - this.onPageVisibleAndLoaded(); - break; - case "unload": - this._handleUnloadEvent(); - break; - case "click": - let {button, target} = aEvent; - // Go up ancestors until we find a Site or not - while (target) { - if (target.hasOwnProperty("_newtabSite")) { - target._newtabSite.onClick(aEvent); - break; - } - target = target.parentNode; - } - break; - case "dragover": - if (gDrag.isValid(aEvent) && gDrag.draggedSite) - aEvent.preventDefault(); - break; - case "drop": - if (gDrag.isValid(aEvent) && gDrag.draggedSite) { - aEvent.preventDefault(); - aEvent.stopPropagation(); - } - break; - case "visibilitychange": - // Cancel any delayed updates for hidden pages now that we're visible. - if (this._scheduleUpdateTimeout) { - clearTimeout(this._scheduleUpdateTimeout); - this._scheduleUpdateTimeout = null; - - // An update was pending so force an update now. - this.update(); - } - - setTimeout(() => this.onPageFirstVisible()); - removeEventListener("visibilitychange", this); - break; - } - }, - - onPageFirstVisible: function () { - // Record another page impression. - Services.telemetry.getHistogramById("NEWTAB_PAGE_SHOWN").add(true); - - for (let site of gGrid.sites) { - if (site) { - // The site may need to modify and/or re-render itself if - // something changed after newtab was created by preloader. - // For example, the suggested tile endTime may have passed. - site.onFirstVisible(); - } - } - - // save timestamp to compute page life-span delta - this._firstVisibleTime = Date.now(); - - if (document.readyState == "complete") { - this.onPageVisibleAndLoaded(); - } else { - addEventListener("load", this); - } - }, - - onPageVisibleAndLoaded() { - // Send the index of the last visible tile. - this.reportLastVisibleTileIndex(); - // Maybe tell the user they can undo an initial automigration - this.maybeShowAutoMigrationUndoNotification(); - }, - - reportLastVisibleTileIndex() { - let cwu = window.QueryInterface(Ci.nsIInterfaceRequestor) - .getInterface(Ci.nsIDOMWindowUtils); - - let rect = cwu.getBoundsWithoutFlushing(gGrid.node); - let nodes = cwu.nodesFromRect(rect.left, rect.top, 0, rect.width, - rect.height, 0, true, false); - - let i = -1; - let lastIndex = -1; - let sites = gGrid.sites; - - for (let node of nodes) { - if (node.classList && node.classList.contains("newtab-cell")) { - if (sites[++i]) { - lastIndex = i; - if (sites[i].link.targetedSite) { - // record that suggested tile is shown to use suggested-tiles-histogram - this._suggestedTilePresent = true; - } - } - } - } - }, - - toggleEnabled: function(aEvent) { - gAllPages.enabled = !gAllPages.enabled; - event.stopPropagation(); - }, - - maybeShowAutoMigrationUndoNotification() { - // sendAsyncMessage("NewTab:MaybeShowAutoMigrationUndoNotification"); - }, -}; |