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author | Matt A. Tobin <email@mattatobin.com> | 2019-12-16 13:57:01 -0500 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2019-12-16 13:57:01 -0500 |
commit | 06494f307850c576868831bd28a61464eab1f359 (patch) | |
tree | f281f5c46c3e0b73c7eabe22f02622dc013b0c35 /application/basilisk/components/sessionstore/SessionMigration.jsm | |
parent | e7d4713e0765c79feddf2384d343d10595fa5cb3 (diff) | |
download | UXP-06494f307850c576868831bd28a61464eab1f359.tar UXP-06494f307850c576868831bd28a61464eab1f359.tar.gz UXP-06494f307850c576868831bd28a61464eab1f359.tar.lz UXP-06494f307850c576868831bd28a61464eab1f359.tar.xz UXP-06494f307850c576868831bd28a61464eab1f359.zip |
Remove Basilisk from the Unified XUL Platform repository
Development will proceed at https://github.com/MoonchildProductions/Basilisk
Diffstat (limited to 'application/basilisk/components/sessionstore/SessionMigration.jsm')
-rw-r--r-- | application/basilisk/components/sessionstore/SessionMigration.jsm | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/application/basilisk/components/sessionstore/SessionMigration.jsm b/application/basilisk/components/sessionstore/SessionMigration.jsm deleted file mode 100644 index 1aa22f1a9..000000000 --- a/application/basilisk/components/sessionstore/SessionMigration.jsm +++ /dev/null @@ -1,106 +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/. */ - -"use strict"; - -this.EXPORTED_SYMBOLS = ["SessionMigration"]; - -const Cu = Components.utils; -Cu.import("resource://gre/modules/XPCOMUtils.jsm", this); -Cu.import("resource://gre/modules/Task.jsm", this); -Cu.import("resource://gre/modules/osfile.jsm", this); - -XPCOMUtils.defineLazyModuleGetter(this, "Utils", - "resource://gre/modules/sessionstore/Utils.jsm"); - -// An encoder to UTF-8. -XPCOMUtils.defineLazyGetter(this, "gEncoder", function () { - return new TextEncoder(); -}); - -// A decoder. -XPCOMUtils.defineLazyGetter(this, "gDecoder", function () { - return new TextDecoder(); -}); - -var SessionMigrationInternal = { - /** - * Convert the original session restore state into a minimal state. It will - * only contain: - * - open windows - * - with tabs - * - with history entries with only title, url, triggeringPrincipal - * - with pinned state - * - with tab group info (hidden + group id) - * - with selected tab info - * - with selected window info - * - * The complete state is then wrapped into the "about:welcomeback" page as - * form field info to be restored when restoring the state. - */ - convertState: function(aStateObj) { - let state = { - selectedWindow: aStateObj.selectedWindow, - _closedWindows: [] - }; - state.windows = aStateObj.windows.map(function(oldWin) { - var win = {extData: {}}; - win.tabs = oldWin.tabs.map(function(oldTab) { - var tab = {}; - // Keep only titles, urls and triggeringPrincipals for history entries - tab.entries = oldTab.entries.map(function(entry) { - return { url: entry.url, - triggeringPrincipal_base64: entry.triggeringPrincipal_base64, - title: entry.title }; - }); - tab.index = oldTab.index; - tab.hidden = oldTab.hidden; - tab.pinned = oldTab.pinned; - return tab; - }); - win.selected = oldWin.selected; - win._closedTabs = []; - return win; - }); - let url = "about:welcomeback"; - let formdata = {id: {sessionData: state}, url}; - let entry = { url, triggeringPrincipal_base64: Utils.SERIALIZED_SYSTEMPRINCIPAL }; - return { windows: [{ tabs: [{ entries: [ entry ], formdata}]}]}; - }, - /** - * Asynchronously read session restore state (JSON) from a path - */ - readState: function(aPath) { - return Task.spawn(function() { - let bytes = yield OS.File.read(aPath); - let text = gDecoder.decode(bytes); - let state = JSON.parse(text); - throw new Task.Result(state); - }); - }, - /** - * Asynchronously write session restore state as JSON to a path - */ - writeState: function(aPath, aState) { - let bytes = gEncoder.encode(JSON.stringify(aState)); - return OS.File.writeAtomic(aPath, bytes, {tmpPath: aPath + ".tmp"}); - } -} - -var SessionMigration = { - /** - * Migrate a limited set of session data from one path to another. - */ - migrate: function(aFromPath, aToPath) { - return Task.spawn(function() { - let inState = yield SessionMigrationInternal.readState(aFromPath); - let outState = SessionMigrationInternal.convertState(inState); - // Unfortunately, we can't use SessionStore's own SessionFile to - // write out the data because it has a dependency on the profile dir - // being known. When the migration runs, there is no guarantee that - // that's true. - yield SessionMigrationInternal.writeState(aToPath, outState); - }); - } -}; |