diff options
Diffstat (limited to 'base/content/browser-thumbnails.js')
| -rw-r--r-- | base/content/browser-thumbnails.js | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/base/content/browser-thumbnails.js b/base/content/browser-thumbnails.js deleted file mode 100644 index 079b0ac..0000000 --- a/base/content/browser-thumbnails.js +++ /dev/null @@ -1,203 +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 - -/** - * 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() { - // Bug 863512 - Make page thumbnails work in electrolysis - if (gMultiProcessBrowser) - return; - - try { - if (Services.prefs.getBoolPref("browser.pagethumbnails.capturing_disabled")) - return; - } catch (e) {} - - 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() { - // Bug 863512 - Make page thumbnails work in electrolysis - if (gMultiProcessBrowser) - return; - - 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) { - // Tycho: aCallback([browser.currentURI.spec for (browser of gBrowser.browsers)]); - let result = []; - for (let browser of gBrowser.browsers) { - result.push(browser.currentURI.spec); - } - aCallback(result); - }, - - /** - * 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) { - if (this._shouldCapture(aBrowser)) - PageThumbs.captureAndStore(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) { - // Capture only if it's the currently selected tab. - if (aBrowser != gBrowser.selectedBrowser) - return false; - - // Don't capture in per-window private browsing mode. - if (PrivateBrowsingUtils.isWindowPrivate(window)) - return false; - - let doc = aBrowser.contentDocument; - - // FIXME Bug 720575 - Don't capture thumbnails for SVG or XML documents as - // that currently regresses Talos SVG tests. - if (doc instanceof XMLDocument) - return false; - - // There's no point in taking screenshot of loading pages. - if (aBrowser.docShell.busyFlags != Ci.nsIDocShell.BUSY_FLAGS_NONE) - return false; - - // Don't take screenshots of about: pages. - if (aBrowser.currentURI.schemeIs("about")) - return false; - - let channel = aBrowser.docShell.currentDocumentChannel; - - // No valid document channel. We shouldn't take a screenshot. - if (!channel) - return false; - - // Don't take screenshots of internally redirecting about: pages. - // This includes error pages. - let uri = channel.originalURI; - if (uri.schemeIs("about")) - return false; - - let httpChannel; - try { - httpChannel = channel.QueryInterface(Ci.nsIHttpChannel); - } catch (e) { /* Not an HTTP channel. */ } - - if (httpChannel) { - // Continue only if we have a 2xx status code. - try { - if (Math.floor(httpChannel.responseStatus / 100) != 2) - return false; - } catch (e) { - // Can't get response information from the httpChannel - // because mResponseHead is not available. - return false; - } - - // Cache-Control: no-store. - if (httpChannel.isNoStoreResponse()) - return false; - - // Don't capture HTTPS pages unless the user explicitly enabled it. - if (uri.schemeIs("https") && !this._sslDiskCacheEnabled) - return false; - } - - return true; - }, - - _clearTimeout: function Thumbnails_clearTimeout(aBrowser) { - if (this._timeouts.has(aBrowser)) { - aBrowser.removeEventListener("scroll", this, false); - clearTimeout(this._timeouts.get(aBrowser)); - this._timeouts.delete(aBrowser); - } - } -}; |