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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);
199 highlighted
: tab
.highlighted
,
203 // Add tab to tabs arrays
204 bkpWindow
.tabs
.push(bkpTab
);
207 totNumTabs
+= windowTabs
.length
;
209 fullBackup
.windows
.push(bkpWindow
);
215 fullBackup
.totNumTabs
= totNumTabs
;
217 var storageSetValues
= {};
218 storageSetValues
[backupName
] = fullBackup
;
221 chrome
.storage
.local
.set(storageSetValues
, function () {
222 if (chrome
.runtime
.lastError
) {
223 //isCreatingBackup = false;
224 // TODO change icon to error..
225 //alert ("Error: " + chrome.runtime.lastError.message);
226 updateBrowserActionIcon (1);
228 callbackDone({success
: false});
230 console
.log("backup saved");
231 //alert("Backup saved successfully!");
233 chrome
.storage
.local
.get(function(items
) {
234 var backupsList
= [];
235 if(items
.backups_list
) {
236 backupsList
= items
.backups_list
;
239 console
.log("Updating 'backups_list' - cur. size: " + backupsList
.length
);
241 backupsList
.push(backupName
);
243 chrome
.storage
.local
.set({"backups_list": backupsList
}, function () {
244 //isCreatingBackup = false;
246 if (chrome
.runtime
.lastError
) {
247 console
.log ("Error saving backups_list: " + chrome
.runtime
.lastError
.message
);
248 updateBrowserActionIcon (1);
249 callbackDone({success
: false});
251 console
.log("Backups list saved successfully");
253 updateBrowserActionIcon (0);
257 backupObj
: fullBackup
,
260 if (backupsList
.length
> items
.prefs_max_backup_items
) {
261 deleteOldestBackup();
275 function updateBrowserActionIcon (status
) {
279 icon
= "icon_ok.png";
282 icon
= "icon_error.png";
286 chrome
.action
.setIcon({path
: icon
});
289 function deleteBackup (backupName
, callback
) {
290 console
.log("Deleting backup " + backupName
);
292 chrome
.storage
.local
.remove(backupName
, function() {
293 //console.log ("=> Deleted backup " + backupName);
295 chrome
.storage
.local
.get("backups_list", function(items
) {
296 //console.log ("==> got backups_list " + backupName);
298 if(!items
.backups_list
) {
303 var backupsList
= items
.backups_list
;
305 var index
= backupsList
.indexOf(backupName
);
307 backupsList
.splice(index
, 1);
310 //console.log ("===> Updating backups_list (removing " + backupName + ")");
312 chrome
.storage
.local
.set({"backups_list": backupsList
}, function() {
313 //console.log ("===> Updated backups_list (removed " + backupName + ")");
318 //console.log ("==> EXIT got backups_list " + backupName);
321 //console.log ("=> EXIT Deleted backup " + backupName);
324 //console.log("EXIT Deleting backup " + backupName);
329 function restoreNow(backupName
) {
330 console
.log("restoreNow");
332 chrome
.storage
.local
.get(backupName
, function(items
) {
333 if(!items
[backupName
]) {
334 alert("No Backup found");
338 /*if (!confirm("Restore full backup?")) {
342 if (confirm("Would you like to close all existing windows first?")) {
343 chrome.windows.getAll({populate : false}, function (window_list) {
344 for(var i=0;i<window_list.length;i++) {
345 var window = window_list[i];
346 chrome.windows.remove(window.id);
352 var fullBackup
= items
[backupName
];
354 for(var i
=0;i
<fullBackup
.windows
.length
;i
++) {
355 const window
= fullBackup
.windows
[i
];
357 //console.log ("Window " + i);
361 const windowTabs
= window
.tabs
;
362 for (let j
= 0; j
< windowTabs
.length
; j
++) {
363 const tab
= windowTabs
[j
];
364 const tabUrl
= tab
.url
;
365 urlsToOpen
.push(tabUrl
);
368 const windowProperties
= {
374 height
: window
.height
,
377 // Create a new Window
378 chrome
.windows
.create(windowProperties
, function(createdWindow
) {
379 // Chrome errors if the dimensions are set on non-normal windows.
380 // So we create the window first with the right settings, then
381 // update the window state.
382 if (window
.state
!= 'normal') {
383 chrome
.windows
.update(createdWindow
.id
, {state
: window
.state
});
386 chrome
.windows
.get(createdWindow
.id
, {populate
: true}, ({tabs
}) => {
387 for (let tabi
= 0; tabi
< windowTabs
.length
; ++tabi
) {
388 const oldtab
= windowTabs
[tabi
];
389 const newtab
= tabs
[tabi
];
390 chrome
.tabs
.update(newtab
.id
, {
391 highlighted
: oldtab
.highlighted
,
392 pinned
: oldtab
.pinned
,
394 if (!oldtab
.highlighted
) {
395 // If we discard a tab too fast, Chrome will completely
396 // throw it away. Wait until it's in a stable enough
397 // state for us to discard it.
399 const checktab
= (id
) => {
400 if (retryCount
-- < 0)
402 chrome
.tabs
.get(id
, (tab
) => {
404 setTimeout(() => checktab(id
), 500);
406 chrome
.tabs
.discard(id
);
420 * Callback from other pages (like the popup).
422 chrome
.runtime
.onMessage
.addListener(function(request
, sender
, sendResponse
) {
423 console
.log(`Got message from ${sender.id}: action=${request.action}`, request
);
425 let asyncResponse
= false;
426 switch (request
?.action
) {
432 restoreNow(...request
.args
);
436 deleteBackup(...request
.args
, sendResponse
);
437 asyncResponse
= true;
440 case 'backupNowManual':
441 backupNowManual(sendResponse
);
442 asyncResponse
= true;
445 return asyncResponse
;