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git.wh0rd.org - chrome-ext/tabs-backup.git/blob - background.js
1 // Create a backup on first install (or if storage is wiped for some reason.
2 chrome
.storage
.local
.get(function(items
) {
4 if (items
.prefs_max_backup_items
=== undefined) {
5 chrome
.storage
.local
.set({prefs_max_backup_items
: 10});
7 if (items
.prefs_backup_timer
=== undefined) {
8 chrome
.storage
.local
.set({prefs_backup_timer
: 30});
11 // If a backup exists already, nothing to do.
12 if (items
.backups_list
) {
16 // Create a backup now
18 var formattedDate
= date_format (d
);
20 backupNow(true, formattedDate
, function({success
, backupName
, backupObj
}) {
25 function initAlarm () {
26 //console.log("initAlarm");
28 var BACKUP_ALARM_NAME
= "backup_alarm";
30 // Clear any previous alarm
31 chrome
.alarms
.clearAll();
33 chrome
.storage
.local
.get(function(items
) {
34 const timerMinutes
= items
.prefs_backup_timer
;
35 chrome
.alarms
.create(BACKUP_ALARM_NAME
, {periodInMinutes
: timerMinutes
});
41 function onAlarm (alarm
) {
43 var formattedDate
= date_format (d
);
45 console
.log("Alarm {" + alarm
+ "} fired up: " + formattedDate
);
47 // if last backup time != lastTabsEdit
48 // perform automatic backup
49 backupNow(true, formattedDate
, function({success
, backupName
, backupObj
}) {
50 // automatic backup completed
51 var popupViews
= chrome
.extension
.getViews({type
: "popup"});
52 if (popupViews
.length
> 0) {
53 for (var i
= 0; i
< popupViews
.length
; i
++) {
54 var popupView
= popupViews
[i
];
55 if (!popupView
.insertBackupItem
) {
59 popupView
.insertBackupItem(backupName
, backupObj
, true /*insertAtBeginning*/, true /*doAnimation*/);
60 popupView
.updateStorageInfo();
66 chrome
.alarms
.onAlarm
.addListener(onAlarm
);
68 function date_prependZero (val
) {
69 return val
< 10 ? "0" + val
: "" + val
;
73 function date_format (d
) {
74 var monthOneOffset
= d
.getMonth() + 1; // convert from 0-11 to 1-12
76 var formattedDate
= d
.getFullYear() + "-" + date_prependZero(monthOneOffset
) + "-" + date_prependZero(d
.getDate())
77 + " " + date_prependZero(d
.getHours()) + ":" + date_prependZero(d
.getMinutes()) + ":" + date_prependZero(d
.getSeconds());
83 function backupNowManual (callbackDone
) {
85 var formattedDate
= date_format (d
);
87 backupNow(false, formattedDate
, callbackDone
);
92 function deleteOldestBackup () {
93 chrome
.storage
.local
.get(function(items
) {
94 if(!items
.backups_list
) {
98 var backupsList
= items
.backups_list
;
99 var numItemsToDelete
= backupsList
.length
- items
.prefs_max_backup_items
;
100 if (numItemsToDelete
> 0) {
102 var loopFunc = function () {
105 var deletedBackupName
= backupsList
[i
-1];
106 var popupViews
= chrome
.extension
.getViews({type
: "popup"});
107 if (popupViews
.length
> 0) {
108 for (var j
= 0; j
< popupViews
.length
; j
++) {
109 var popupView
= popupViews
[j
];
110 if (!popupView
.removeBackupItemDiv
) {
114 popupView
.removeBackupItemDiv(deletedBackupName
);
115 popupView
.updateStorageInfo();
121 if (i
>= numItemsToDelete
) {
125 deleteBackup (backupsList
[i
], loopFunc
);
132 //for (var i = 0; i < numItemsToDelete; i++) {
133 // TODO WARNING: I'm calling deleteBackup rapidly, while deleting is async...(I should wait for each delete to complete before deleting the next)
134 //deleteBackup (backupsList[i], function() {
142 //var isCreatingBackup = false;
144 function backupNow(isAutomatic
, backupName
, callbackDone
) {
145 console
.log("backupNow - isAutomatic: " + isAutomatic
+ " name: " + backupName
);
146 /*if (isCreatingBackup === true) {
147 console.log("backupNow - already running..skipping..");
151 //isCreatingBackup = true;
153 /*if (!confirm("Perform a full backup? All windows and their tabs will be saved!")) {
159 isAutomatic
: isAutomatic
,
163 chrome
.windows
.getAll({populate
: true}, function (window_list
) {
166 for(var i
=0;i
<window_list
.length
;i
++) {
167 var window
= window_list
[i
];
169 //console.log ("Window " + i);
176 height
: window
.height
,
180 var windowTabs
= window
.tabs
;
182 // If it's a single window sittig at the new tab page, don't bother
183 // saving it. This is a nice shortcut when things crash as it will
184 // only show a single window.
185 if (windowTabs
.length
== 1) {
186 const tab
= windowTabs
[0];
187 if (tab
.url
== 'chrome://newtab/')
191 for (var j
= 0; j
< windowTabs
.length
; j
++) {
192 var tab
= windowTabs
[j
];
194 //console.log("==> Tab " + j + " (" + tab.index + "): " + tabUrl);
196 // Ignore windows that we can't/shouldn't backup.
197 if (tab
.url
.startsWith('chrome-untrusted://')) {
204 highlighted
: tab
.highlighted
,
208 // Add tab to tabs arrays
209 bkpWindow
.tabs
.push(bkpTab
);
212 if (bkpWindow
.tabs
.length
) {
213 totNumTabs
+= bkpWindow
.tabs
.length
;
215 fullBackup
.windows
.push(bkpWindow
);
222 fullBackup
.totNumTabs
= totNumTabs
;
224 var storageSetValues
= {};
225 storageSetValues
[backupName
] = fullBackup
;
228 chrome
.storage
.local
.set(storageSetValues
, function () {
229 if (chrome
.runtime
.lastError
) {
230 //isCreatingBackup = false;
231 // TODO change icon to error..
232 //alert ("Error: " + chrome.runtime.lastError.message);
233 updateBrowserActionIcon (1);
235 callbackDone({success
: false});
237 console
.log("backup saved");
238 //alert("Backup saved successfully!");
240 chrome
.storage
.local
.get(function(items
) {
241 var backupsList
= [];
242 if(items
.backups_list
) {
243 backupsList
= items
.backups_list
;
246 console
.log("Updating 'backups_list' - cur. size: " + backupsList
.length
);
248 backupsList
.push(backupName
);
250 chrome
.storage
.local
.set({"backups_list": backupsList
}, function () {
251 //isCreatingBackup = false;
253 if (chrome
.runtime
.lastError
) {
254 console
.log ("Error saving backups_list: " + chrome
.runtime
.lastError
.message
);
255 updateBrowserActionIcon (1);
256 callbackDone({success
: false});
258 console
.log("Backups list saved successfully");
260 updateBrowserActionIcon (0);
264 backupObj
: fullBackup
,
267 if (backupsList
.length
> items
.prefs_max_backup_items
) {
268 deleteOldestBackup();
282 function updateBrowserActionIcon (status
) {
286 icon
= "icon_ok.png";
289 icon
= "icon_error.png";
293 chrome
.action
.setIcon({path
: icon
});
296 function deleteBackup (backupName
, callback
) {
297 console
.log("Deleting backup " + backupName
);
299 chrome
.storage
.local
.remove(backupName
, function() {
300 //console.log ("=> Deleted backup " + backupName);
302 chrome
.storage
.local
.get("backups_list", function(items
) {
303 //console.log ("==> got backups_list " + backupName);
305 if(!items
.backups_list
) {
310 var backupsList
= items
.backups_list
;
312 var index
= backupsList
.indexOf(backupName
);
314 backupsList
.splice(index
, 1);
317 //console.log ("===> Updating backups_list (removing " + backupName + ")");
319 chrome
.storage
.local
.set({"backups_list": backupsList
}, function() {
320 //console.log ("===> Updated backups_list (removed " + backupName + ")");
325 //console.log ("==> EXIT got backups_list " + backupName);
328 //console.log ("=> EXIT Deleted backup " + backupName);
331 //console.log("EXIT Deleting backup " + backupName);
336 function restoreNow(backupName
) {
337 console
.log("restoreNow");
339 chrome
.storage
.local
.get(backupName
, function(items
) {
340 if(!items
[backupName
]) {
341 alert("No Backup found");
345 /*if (!confirm("Restore full backup?")) {
349 if (confirm("Would you like to close all existing windows first?")) {
350 chrome.windows.getAll({populate : false}, function (window_list) {
351 for(var i=0;i<window_list.length;i++) {
352 var window = window_list[i];
353 chrome.windows.remove(window.id);
359 var fullBackup
= items
[backupName
];
361 for(var i
=0;i
<fullBackup
.windows
.length
;i
++) {
362 const window
= fullBackup
.windows
[i
];
364 //console.log ("Window " + i);
368 const windowTabs
= window
.tabs
;
369 for (let j
= 0; j
< windowTabs
.length
; j
++) {
370 const tab
= windowTabs
[j
];
371 const tabUrl
= tab
.url
;
372 urlsToOpen
.push(tabUrl
);
375 const windowProperties
= {
381 height
: window
.height
,
384 // Create a new Window
385 chrome
.windows
.create(windowProperties
, function(createdWindow
) {
386 // Chrome errors if the dimensions are set on non-normal windows.
387 // So we create the window first with the right settings, then
388 // update the window state.
389 if (window
.state
!= 'normal') {
390 chrome
.windows
.update(createdWindow
.id
, {state
: window
.state
});
393 chrome
.windows
.get(createdWindow
.id
, {populate
: true}, ({tabs
}) => {
394 for (let tabi
= 0; tabi
< windowTabs
.length
; ++tabi
) {
395 const oldtab
= windowTabs
[tabi
];
396 const newtab
= tabs
[tabi
];
397 chrome
.tabs
.update(newtab
.id
, {
398 highlighted
: oldtab
.highlighted
,
399 pinned
: oldtab
.pinned
,
401 if (!oldtab
.highlighted
) {
402 // If we discard a tab too fast, Chrome will completely
403 // throw it away. Wait until it's in a stable enough
404 // state for us to discard it.
406 const checktab
= (id
) => {
407 if (retryCount
-- < 0)
409 chrome
.tabs
.get(id
, (tab
) => {
411 setTimeout(() => checktab(id
), 500);
413 chrome
.tabs
.discard(id
);
427 * Callback from other pages (like the popup).
429 chrome
.runtime
.onMessage
.addListener(function(request
, sender
, sendResponse
) {
430 console
.log(`Got message from ${sender.id}: action=${request.action}`, request
);
432 let asyncResponse
= false;
433 switch (request
?.action
) {
439 restoreNow(...request
.args
);
443 deleteBackup(...request
.args
, sendResponse
);
444 asyncResponse
= true;
447 case 'backupNowManual':
448 backupNowManual(sendResponse
);
449 asyncResponse
= true;
452 return asyncResponse
;