]>
git.wh0rd.org - chrome-ext/tabs-backup.git/blob - background.js
2 // Set default values if needed
3 if (!localStorage
.prefsMaxBackupItems
) {
4 localStorage
.prefsMaxBackupItems
= "10";
7 if (!localStorage
.prefsBackupTimer
) {
8 localStorage
.prefsBackupTimer
= "30";
11 if (!localStorage
.lastBackupTime
) {
12 localStorage
.lastBackupTime
= -1;
14 // Create a backup now
16 var formattedDate
= date_format (d
);
18 backupNow(true, formattedDate
, function(success
, backupName
, backupObj
) {
23 function initAlarm () {
24 //console.log("initAlarm");
26 var BACKUP_ALARM_NAME
= "backup_alarm";
28 // Clear any previous alarm
29 chrome
.alarms
.clearAll();
31 var timerMinutes
= parseInt(localStorage
.prefsBackupTimer
);
32 chrome
.alarms
.create(BACKUP_ALARM_NAME
, {periodInMinutes
: timerMinutes
});
37 function onAlarm (alarm
) {
39 var formattedDate
= date_format (d
);
41 console
.log("Alarm {" + alarm
+ "} fired up: " + formattedDate
);
43 // if last backup time != lastTabsEdit
44 // perform automatic backup
45 backupNow(true, formattedDate
, function(success
, backupName
, backupObj
) {
46 // automatic backup completed
47 var popupViews
= chrome
.extension
.getViews({type
: "popup"});
48 if (popupViews
.length
> 0) {
49 for (var i
= 0; i
< popupViews
.length
; i
++) {
50 var popupView
= popupViews
[i
];
51 if (!popupView
.insertBackupItem
) {
55 popupView
.insertBackupItem(backupName
, backupObj
, true /*insertAtBeginning*/, true /*doAnimation*/);
56 popupView
.updateStorageInfo();
62 chrome
.alarms
.onAlarm
.addListener(onAlarm
);
64 function date_prependZero (val
) {
65 return val
< 10 ? "0" + val
: "" + val
;
69 function date_format (d
) {
70 var monthOneOffset
= d
.getMonth() + 1; // convert from 0-11 to 1-12
72 var formattedDate
= d
.getFullYear() + "-" + date_prependZero(monthOneOffset
) + "-" + date_prependZero(d
.getDate())
73 + " " + date_prependZero(d
.getHours()) + ":" + date_prependZero(d
.getMinutes()) + ":" + date_prependZero(d
.getSeconds());
79 function backupNowManual (callbackDone
) {
81 var formattedDate
= date_format (d
);
83 backupNow(false, formattedDate
, callbackDone
);
88 function deleteOldestBackup () {
89 chrome
.storage
.local
.get("backups_list", function(items
) {
90 if(!items
.backups_list
) {
94 var backupsList
= items
.backups_list
;
95 var numItemsToDelete
= backupsList
.length
- parseInt(localStorage
.prefsMaxBackupItems
);
96 if (numItemsToDelete
> 0) {
98 var loopFunc = function () {
101 var deletedBackupName
= backupsList
[i
-1];
102 var popupViews
= chrome
.extension
.getViews({type
: "popup"});
103 if (popupViews
.length
> 0) {
104 for (var j
= 0; j
< popupViews
.length
; j
++) {
105 var popupView
= popupViews
[j
];
106 if (!popupView
.removeBackupItemDiv
) {
110 popupView
.removeBackupItemDiv(deletedBackupName
);
111 popupView
.updateStorageInfo();
117 if (i
>= numItemsToDelete
) {
121 deleteBackup (backupsList
[i
], loopFunc
);
128 //for (var i = 0; i < numItemsToDelete; i++) {
129 // TODO WARNING: I'm calling deleteBackup rapidly, while deleting is async...(I should wait for each delete to complete before deleting the next)
130 //deleteBackup (backupsList[i], function() {
138 //var isCreatingBackup = false;
140 function backupNow(isAutomatic
, backupName
, callbackDone
) {
141 console
.log("backupNow - isAutomatic: " + isAutomatic
+ " name: " + backupName
);
142 /*if (isCreatingBackup === true) {
143 console.log("backupNow - already running..skipping..");
147 //isCreatingBackup = true;
149 /*if (!confirm("Perform a full backup? All windows and their tabs will be saved!")) {
155 isAutomatic
: isAutomatic
,
159 chrome
.windows
.getAll({populate
: true}, function (window_list
) {
162 for(var i
=0;i
<window_list
.length
;i
++) {
163 var window
= window_list
[i
];
165 //console.log ("Window " + i);
172 height
: window
.height
,
176 var windowTabs
= window
.tabs
;
178 // If it's a single window sittig at the new tab page, don't bother
179 // saving it. This is a nice shortcut when things crash as it will
180 // only show a single window.
181 if (windowTabs
.length
== 1) {
182 const tab
= windowTabs
[0];
183 if (tab
.title
== 'New Tab' && tab
.url
== 'chrome://newtab/')
187 for (var j
= 0; j
< windowTabs
.length
; j
++) {
188 var tab
= windowTabs
[j
];
190 //console.log("==> Tab " + j + " (" + tab.index + "): " + tabUrl);
195 highlighted
: tab
.highlighted
,
199 // Add tab to tabs arrays
200 bkpWindow
.tabs
.push(bkpTab
);
203 totNumTabs
+= windowTabs
.length
;
205 fullBackup
.windows
.push(bkpWindow
);
211 fullBackup
.totNumTabs
= totNumTabs
;
213 var storageSetValues
= {};
214 storageSetValues
[backupName
] = fullBackup
;
217 chrome
.storage
.local
.set(storageSetValues
, function () {
218 if (chrome
.runtime
.lastError
) {
219 //isCreatingBackup = false;
220 // TODO change icon to error..
221 //alert ("Error: " + chrome.runtime.lastError.message);
222 updateBrowserActionIcon (1);
226 console
.log("backup saved");
227 //alert("Backup saved successfully!");
229 chrome
.storage
.local
.get("backups_list", function(items
) {
230 var backupsList
= [];
231 if(items
.backups_list
) {
232 backupsList
= items
.backups_list
;
235 console
.log("Updating 'backups_list' - cur. size: " + backupsList
.length
);
237 backupsList
.push(backupName
);
239 chrome
.storage
.local
.set({"backups_list": backupsList
}, function () {
240 //isCreatingBackup = false;
242 if (chrome
.runtime
.lastError
) {
243 console
.log ("Error saving backups_list: " + chrome
.runtime
.lastError
.message
);
244 updateBrowserActionIcon (1);
247 console
.log("Backups list saved successfully");
249 updateBrowserActionIcon (0);
250 callbackDone(true, backupName
, fullBackup
);
252 if (backupsList
.length
> parseInt(localStorage
.prefsMaxBackupItems
)) {
253 deleteOldestBackup();
267 function updateBrowserActionIcon (status
) {
271 icon
= "icon_ok.png";
274 icon
= "icon_error.png";
278 chrome
.browserAction
.setIcon({path
: icon
});
281 function deleteBackup (backupName
, callback
) {
282 console
.log("Deleting backup " + backupName
);
284 chrome
.storage
.local
.remove(backupName
, function() {
285 //console.log ("=> Deleted backup " + backupName);
287 chrome
.storage
.local
.get("backups_list", function(items
) {
288 //console.log ("==> got backups_list " + backupName);
290 if(!items
.backups_list
) {
295 var backupsList
= items
.backups_list
;
297 var index
= backupsList
.indexOf(backupName
);
299 backupsList
.splice(index
, 1);
302 //console.log ("===> Updating backups_list (removing " + backupName + ")");
304 chrome
.storage
.local
.set({"backups_list": backupsList
}, function() {
305 //console.log ("===> Updated backups_list (removed " + backupName + ")");
310 //console.log ("==> EXIT got backups_list " + backupName);
313 //console.log ("=> EXIT Deleted backup " + backupName);
316 //console.log("EXIT Deleting backup " + backupName);
321 function restoreNow(backupName
) {
322 console
.log("restoreNow");
324 chrome
.storage
.local
.get(backupName
, function(items
) {
325 if(!items
[backupName
]) {
326 alert("No Backup found");
330 /*if (!confirm("Restore full backup?")) {
334 if (confirm("Would you like to close all existing windows first?")) {
335 chrome.windows.getAll({populate : false}, function (window_list) {
336 for(var i=0;i<window_list.length;i++) {
337 var window = window_list[i];
338 chrome.windows.remove(window.id);
344 var fullBackup
= items
[backupName
];
346 for(var i
=0;i
<fullBackup
.windows
.length
;i
++) {
347 const window
= fullBackup
.windows
[i
];
349 //console.log ("Window " + i);
353 const windowTabs
= window
.tabs
;
354 for (let j
= 0; j
< windowTabs
.length
; j
++) {
355 const tab
= windowTabs
[j
];
356 const tabUrl
= tab
.url
;
357 urlsToOpen
.push(tabUrl
);
360 const windowProperties
= {
366 height
: window
.height
,
369 // Create a new Window
370 chrome
.windows
.create(windowProperties
, function(createdWindow
) {
371 // Chrome errors if the dimensions are set on non-normal windows.
372 // So we create the window first with the right settings, then
373 // update the window state.
374 if (window
.state
!= 'normal') {
375 chrome
.windows
.update(createdWindow
.id
, {state
: window
.state
});
378 chrome
.windows
.get(createdWindow
.id
, {populate
: true}, ({tabs
}) => {
379 for (let tabi
= 0; tabi
< windowTabs
.length
; ++tabi
) {
380 const oldtab
= windowTabs
[tabi
];
381 const newtab
= tabs
[tabi
];
382 chrome
.tabs
.update(newtab
.id
, {
383 highlighted
: oldtab
.highlighted
,
384 pinned
: oldtab
.pinned
,
386 if (!oldtab
.highlighted
) {
387 // If we discard a tab too fast, Chrome will completely
388 // throw it away. Wait until it's in a stable enough
389 // state for us to discard it.
391 const checktab
= (id
) => {
392 if (retryCount
-- < 0)
394 chrome
.tabs
.get(id
, (tab
) => {
396 setTimeout(() => checktab(id
), 500);
398 chrome
.tabs
.discard(id
);