Backed out changeset c98a31227412 (bug 1073992)

This commit is contained in:
Tim Taubert 2014-10-13 14:58:19 +02:00
parent d301c663dd
commit 29c2d2c041
6 changed files with 41 additions and 228 deletions

View File

@ -1,45 +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 = ["RevivableWindows"];
// List of closed windows that we can revive when closing
// windows in succession until the browser quits.
let closedWindows = [];
/**
* This module keeps track of closed windows that are revivable. On Windows
* and Linux we can revive windows before saving to disk - i.e. moving them
* from state._closedWindows[] to state.windows[] so that they're opened
* automatically on next startup. This feature lets us properly support
* closing windows in succession until the browser quits.
*
* The length of the list is not capped by max_undo_windows unlike
* state._closedWindows[].
*/
this.RevivableWindows = Object.freeze({
// Returns whether there are windows to revive.
get isEmpty() {
return closedWindows.length == 0;
},
// Add a window to the list.
add(winState) {
#ifndef XP_MACOSX
closedWindows.push(winState);
#endif
},
// Get the list of revivable windows.
get() {
return [...closedWindows];
},
// Clear the list of revivable windows.
clear() {
closedWindows.length = 0;
}
});

View File

@ -19,8 +19,6 @@ XPCOMUtils.defineLazyModuleGetter(this, "console",
"resource://gre/modules/devtools/Console.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PrivacyFilter",
"resource:///modules/sessionstore/PrivacyFilter.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "RevivableWindows",
"resource:///modules/sessionstore/RevivableWindows.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "SessionStore",
"resource:///modules/sessionstore/SessionStore.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "SessionFile",
@ -207,24 +205,23 @@ let SessionSaverInternal = {
delete state.deferredInitialState;
}
// We want to revive closed windows that have been closed in succession
// without any user action in between closing those. This happens here in
// the SessionSaver because we only want to revive when saving to disk.
// On Mac OS X this list will always be empty.
let windowsToRevive = RevivableWindows.get();
state.windows.unshift(...windowsToRevive);
let revivedWindows = state._closedWindows.splice(0, windowsToRevive.length);
#ifdef DEBUG
// Check that the windows to revive equal the windows
// that we removed from the list of closed windows.
let match = revivedWindows.every((win, idx) => {
return win == windowsToRevive[windowsToRevive.length - 1 - idx];
});
#ifndef XP_MACOSX
// We want to restore closed windows that are marked with _shouldRestore.
// We're doing this here because we want to control this only when saving
// the file.
while (state._closedWindows.length) {
let i = state._closedWindows.length - 1;
if (!match) {
throw new Error("SessionStore: revived windows didn't match closed windows");
if (!state._closedWindows[i]._shouldRestore) {
// We only need to go until _shouldRestore
// is falsy since we're going in reverse.
break;
}
delete state._closedWindows[i]._shouldRestore;
state.windows.unshift(state._closedWindows.pop());
}
#endif DEBUG
#endif
stopWatchFinish("COLLECT_DATA_MS", "COLLECT_DATA_LONGEST_OP_MS");
return this._writeState(state);

View File

@ -107,8 +107,6 @@ XPCOMUtils.defineLazyModuleGetter(this, "GlobalState",
"resource:///modules/sessionstore/GlobalState.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PrivacyFilter",
"resource:///modules/sessionstore/PrivacyFilter.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "RevivableWindows",
"resource:///modules/sessionstore/RevivableWindows.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "RunState",
"resource:///modules/sessionstore/RunState.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "ScratchpadManager",
@ -703,9 +701,7 @@ let SessionStoreInternal = {
this.saveStateDelayed(win);
break;
}
// Any event handled here indicates a user action.
RevivableWindows.clear();
this._clearRestoringWindows();
},
/**
@ -1017,9 +1013,11 @@ let SessionStoreInternal = {
SessionCookies.update([winData]);
}
#ifndef XP_MACOSX
// Until we decide otherwise elsewhere, this window is part of a series
// of closing windows to quit.
RevivableWindows.add(winData);
winData._shouldRestore = true;
#endif
// Store the window's close date to figure out when each individual tab
// was closed. This timestamp should allow re-arranging data based on how
@ -1041,8 +1039,9 @@ let SessionStoreInternal = {
// with tabs we deem not worth saving then we might end up with a
// random closed or even a pop-up window re-opened. To prevent that
// we explicitly allow saving an "empty" window state.
let numOpenWindows = Object.keys(this._windows).length;
let isLastWindow = numOpenWindows == 1 && RevivableWindows.isEmpty;
let isLastWindow =
Object.keys(this._windows).length == 1 &&
!this._closedWindows.some(win => win._shouldRestore || false);
if (hasSaveableTabs || isLastWindow) {
// we don't want to save the busy state
@ -1156,11 +1155,8 @@ let SessionStoreInternal = {
delete this._windows[ix];
}
}
// also clear all data about closed windows
this._closedWindows = [];
RevivableWindows.clear();
// give the tabbrowsers a chance to clear their histories first
var win = this._getMostRecentBrowserWindow();
if (win) {
@ -1168,6 +1164,8 @@ let SessionStoreInternal = {
} else if (RunState.isRunning) {
SessionSaver.run();
}
this._clearRestoringWindows();
},
/**
@ -1221,12 +1219,11 @@ let SessionStoreInternal = {
}
}
// Purging domain data indicates a user action.
RevivableWindows.clear();
if (RunState.isRunning) {
SessionSaver.run();
}
this._clearRestoringWindows();
},
/**
@ -3349,6 +3346,21 @@ let SessionStoreInternal = {
this._closedWindows.splice(spliceTo, this._closedWindows.length);
},
/**
* Clears the set of windows that are "resurrected" before writing to disk to
* make closing windows one after the other until shutdown work as expected.
*
* This function should only be called when we are sure that there has been
* a user action that indicates the browser is actively being used and all
* windows that have been closed before are not part of a series of closing
* windows.
*/
_clearRestoringWindows: function ssi_clearRestoringWindows() {
for (let i = 0; i < this._closedWindows.length; i++) {
delete this._closedWindows[i]._shouldRestore;
}
},
/**
* Reset state to prepare for a new session state to be restored.
*/

View File

@ -46,7 +46,6 @@ EXTRA_JS_MODULES.sessionstore = [
]
EXTRA_PP_JS_MODULES.sessionstore += [
'RevivableWindows.jsm',
'SessionSaver.jsm',
'SessionStore.jsm',
]

View File

@ -81,7 +81,6 @@ skip-if = buildapp == 'mulet'
[browser_merge_closed_tabs.js]
[browser_pageStyle.js]
[browser_privatetabs.js]
[browser_revive_windows.js]
[browser_scrollPositions.js]
[browser_sessionHistory.js]
skip-if = e10s

View File

@ -1,149 +0,0 @@
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const IS_MAC = ("nsILocalFileMac" in Ci);
const URL_PREFIX = "about:mozilla?t=browser_revive_windows&r=";
const PREF_MAX_UNDO = "browser.sessionstore.max_windows_undo";
const URL_MAIN_WINDOW = URL_PREFIX + Math.random();
const URL_ADD_WINDOW1 = URL_PREFIX + Math.random();
const URL_ADD_WINDOW2 = URL_PREFIX + Math.random();
const URL_CLOSED_WINDOW = URL_PREFIX + Math.random();
add_task(function* setup() {
registerCleanupFunction(() => Services.prefs.clearUserPref(PREF_MAX_UNDO));
});
/**
* This test ensure that when closing windows in succession until the browser
* quits we are able to revive more windows than we keep around for the
* "Undo Close Window" feature.
*/
add_task(function* test_revive_windows() {
// We can restore a single window max.
Services.prefs.setIntPref(PREF_MAX_UNDO, 1);
// Clear list of closed windows.
forgetClosedWindows();
let windows = [];
// Create three windows.
for (let i = 0; i < 3; i++) {
let win = yield promiseNewWindow();
windows.push(win);
let tab = win.gBrowser.addTab("about:mozilla");
yield promiseBrowserLoaded(tab.linkedBrowser);
}
// Close all windows.
for (let win of windows) {
yield promiseWindowClosed(win);
}
is(ss.getClosedWindowCount(), 1, "one window restorable");
// Save to disk and read.
let state = JSON.parse(yield promiseRecoveryFileContents());
// Check number of windows.
if (IS_MAC) {
is(state.windows.length, 1, "one open window");
is(state._closedWindows.length, 1, "one closed window");
} else {
is(state.windows.length, 4, "four open windows");
is(state._closedWindows.length, 0, "closed windows");
}
});
/**
* This test ensures that when closing windows one after the other until the
* browser shuts down (on Windows and Linux) we revive closed windows in the
* right order.
*/
add_task(function* test_revive_windows_order() {
// We can restore up to three windows max.
Services.prefs.setIntPref(PREF_MAX_UNDO, 3);
// Clear list of closed windows.
forgetClosedWindows();
let tab = gBrowser.addTab(URL_MAIN_WINDOW);
yield promiseBrowserLoaded(tab.linkedBrowser);
registerCleanupFunction(() => gBrowser.removeTab(tab));
let win0 = yield promiseNewWindow();
let tab0 = win0.gBrowser.addTab(URL_CLOSED_WINDOW);
yield promiseBrowserLoaded(tab0.linkedBrowser);
yield promiseWindowClosed(win0);
let data = ss.getClosedWindowData();
ok(data.contains(URL_CLOSED_WINDOW), "window is restorable");
let win1 = yield promiseNewWindow();
let tab1 = win1.gBrowser.addTab(URL_ADD_WINDOW1);
yield promiseBrowserLoaded(tab1.linkedBrowser);
let win2 = yield promiseNewWindow();
let tab2 = win2.gBrowser.addTab(URL_ADD_WINDOW2);
yield promiseBrowserLoaded(tab2.linkedBrowser);
// Close both windows so that |win1| will be opened first and would be
// behind |win2| that was closed later.
yield promiseWindowClosed(win1);
yield promiseWindowClosed(win2);
// Repeat the checks once.
for (let i = 0; i < 2; i++) {
info(`checking window data, iteration #${i}`);
let contents = yield promiseRecoveryFileContents();
let {windows, _closedWindows: closedWindows} = JSON.parse(contents);
if (IS_MAC) {
// Check number of windows.
is(windows.length, 1, "one open window");
is(closedWindows.length, 3, "three closed windows");
// Check open window.
ok(JSON.stringify(windows).contains(URL_MAIN_WINDOW),
"open window is correct");
// Check closed windows.
ok(JSON.stringify(closedWindows[0]).contains(URL_ADD_WINDOW2),
"correct first additional window");
ok(JSON.stringify(closedWindows[1]).contains(URL_ADD_WINDOW1),
"correct second additional window");
ok(JSON.stringify(closedWindows[2]).contains(URL_CLOSED_WINDOW),
"correct main window");
} else {
// Check number of windows.
is(windows.length, 3, "three open windows");
is(closedWindows.length, 1, "one closed window");
// Check closed window.
ok(JSON.stringify(closedWindows).contains(URL_CLOSED_WINDOW),
"closed window is correct");
// Check that windows are in the right order.
ok(JSON.stringify(windows[0]).contains(URL_ADD_WINDOW1),
"correct first additional window");
ok(JSON.stringify(windows[1]).contains(URL_ADD_WINDOW2),
"correct second additional window");
ok(JSON.stringify(windows[2]).contains(URL_MAIN_WINDOW),
"correct main window");
}
}
});
function promiseNewWindow() {
return new Promise(resolve => whenNewWindowLoaded({private: false}, resolve));
}
function forgetClosedWindows() {
while (ss.getClosedWindowCount()) {
ss.forgetClosedWindow(0);
}
}