1 files changed, 0 insertions, 142 deletions
diff --git a/browser/base/content/browser-thumbnails.js b/browser/base/content/browser-thumbnails.js
deleted file mode 100644
index ebefb193e..000000000
--- a/browser/base/content/browser-thumbnails.js
+++ /dev/null
@@ -1,142 +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/. */
-
-/**
- * Keeps thumbnails of open web pages up-to-date.
- */
-var gBrowserThumbnails = {
-  /**
-   * Pref that controls whether we can store SSL content on disk
-   */
-  PREF_DISK_CACHE_SSL: "browser.cache.disk_cache_ssl",
-
-  _captureDelayMS: 1000,
-
-  /**
-   * Used to keep track of disk_cache_ssl preference
-   */
-  _sslDiskCacheEnabled: null,
-
-  /**
-   * Map of capture() timeouts assigned to their browsers.
-   */
-  _timeouts: null,
-
-  /**
-   * List of tab events we want to listen for.
-   */
-  _tabEvents: ["TabClose", "TabSelect"],
-
-  init: function Thumbnails_init() {
-    PageThumbs.addExpirationFilter(this);
-    gBrowser.addTabsProgressListener(this);
-    Services.prefs.addObserver(this.PREF_DISK_CACHE_SSL, this, false);
-
-    this._sslDiskCacheEnabled =
-      Services.prefs.getBoolPref(this.PREF_DISK_CACHE_SSL);
-
-    this._tabEvents.forEach(function (aEvent) {
-      gBrowser.tabContainer.addEventListener(aEvent, this, false);
-    }, this);
-
-    this._timeouts = new WeakMap();
-  },
-
-  uninit: function Thumbnails_uninit() {
-    PageThumbs.removeExpirationFilter(this);
-    gBrowser.removeTabsProgressListener(this);
-    Services.prefs.removeObserver(this.PREF_DISK_CACHE_SSL, this);
-
-    this._tabEvents.forEach(function (aEvent) {
-      gBrowser.tabContainer.removeEventListener(aEvent, this, false);
-    }, this);
-  },
-
-  handleEvent: function Thumbnails_handleEvent(aEvent) {
-    switch (aEvent.type) {
-      case "scroll":
-        let browser = aEvent.currentTarget;
-        if (this._timeouts.has(browser))
-          this._delayedCapture(browser);
-        break;
-      case "TabSelect":
-        this._delayedCapture(aEvent.target.linkedBrowser);
-        break;
-      case "TabClose": {
-        this._clearTimeout(aEvent.target.linkedBrowser);
-        break;
-      }
-    }
-  },
-
-  observe: function Thumbnails_observe() {
-    this._sslDiskCacheEnabled =
-      Services.prefs.getBoolPref(this.PREF_DISK_CACHE_SSL);
-  },
-
-  filterForThumbnailExpiration:
-  function Thumbnails_filterForThumbnailExpiration(aCallback) {
-    aCallback(this._topSiteURLs);
-  },
-
-  /**
-   * State change progress listener for all tabs.
-   */
-  onStateChange: function Thumbnails_onStateChange(aBrowser, aWebProgress,
-                                                   aRequest, aStateFlags, aStatus) {
-    if (aStateFlags & Ci.nsIWebProgressListener.STATE_STOP &&
-        aStateFlags & Ci.nsIWebProgressListener.STATE_IS_NETWORK)
-      this._delayedCapture(aBrowser);
-  },
-
-  _capture: function Thumbnails_capture(aBrowser) {
-    // Only capture about:newtab top sites.
-    if (this._topSiteURLs.indexOf(aBrowser.currentURI.spec) == -1)
-      return;
-    this._shouldCapture(aBrowser, function (aResult) {
-      if (aResult) {
-        PageThumbs.captureAndStoreIfStale(aBrowser);
-      }
-    });
-  },
-
-  _delayedCapture: function Thumbnails_delayedCapture(aBrowser) {
-    if (this._timeouts.has(aBrowser))
-      clearTimeout(this._timeouts.get(aBrowser));
-    else
-      aBrowser.addEventListener("scroll", this, true);
-
-    let timeout = setTimeout(function () {
-      this._clearTimeout(aBrowser);
-      this._capture(aBrowser);
-    }.bind(this), this._captureDelayMS);
-
-    this._timeouts.set(aBrowser, timeout);
-  },
-
-  _shouldCapture: function Thumbnails_shouldCapture(aBrowser, aCallback) {
-    // Capture only if it's the currently selected tab.
-    if (aBrowser != gBrowser.selectedBrowser) {
-      aCallback(false);
-      return;
-    }
-    PageThumbs.shouldStoreThumbnail(aBrowser, aCallback);
-  },
-
-  get _topSiteURLs() {
-    return NewTabUtils.links.getLinks().reduce((urls, link) => {
-      if (link)
-        urls.push(link.url);
-      return urls;
-    }, []);
-  },
-
-  _clearTimeout: function Thumbnails_clearTimeout(aBrowser) {
-    if (this._timeouts.has(aBrowser)) {
-      aBrowser.removeEventListener("scroll", this, false);
-      clearTimeout(this._timeouts.get(aBrowser));
-      this._timeouts.delete(aBrowser);
-    }
-  }
-};