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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef IOS_CHROME_BROWSER_SESSIONS_SESSION_SERVICE_H_ | |
| 6 #define IOS_CHROME_BROWSER_SESSIONS_SESSION_SERVICE_H_ | |
| 7 | |
| 8 #import <Foundation/Foundation.h> | |
| 9 | |
| 10 #include "base/mac/scoped_nsobject.h" | |
| 11 | |
| 12 namespace ios { | |
| 13 class ChromeBrowserState; | |
| 14 } | |
| 15 | |
| 16 @class SessionWindowIOS; | |
| 17 | |
| 18 // Trivial NSKeyedUnarchiver subclass that can be configured with a | |
| 19 // ChromeBrowserState instance that decoding classes can use. | |
| 20 @interface SessionWindowUnarchiver : NSKeyedUnarchiver | |
| 21 | |
| 22 // The BrowserState set on the unarchiver at init; a weak pointer. | |
| 23 @property(nonatomic, readonly) ios::ChromeBrowserState* browserState; | |
| 24 | |
| 25 // Inits exactly as initForReadingWithData: does, additionally setting | |
| 26 // |browserState| on the receiver. | |
| 27 - (instancetype)initForReadingWithData:(NSData*)data | |
| 28 browserState:(ios::ChromeBrowserState*)browserState | |
| 29 NS_DESIGNATED_INITIALIZER; | |
| 30 | |
| 31 @end | |
| 32 | |
| 33 // A singleton service for saving the current session. Can either save on a | |
| 34 // delay or immediately. Saving is always performed on a separate thread. | |
| 35 @interface SessionServiceIOS : NSObject | |
| 36 | |
| 37 // Lazily creates a singleton instance. Use this instead of calling alloc/init. | |
| 38 + (SessionServiceIOS*)sharedService; | |
| 39 | |
| 40 // Saves the session represented by |window| to the given browserState directory | |
| 41 // on disk. If |immediately| is NO, the save is done after a delay. If another | |
| 42 // call is pending, this one is ignored. If YES, the save is done now, | |
| 43 // cancelling any pending calls. Either way, the save is done on a separate | |
| 44 // thread to avoid blocking the UI thread. As a result, |window| should contain | |
| 45 // copies of non-threadsafe objects. | |
| 46 - (void)saveWindow:(SessionWindowIOS*)window | |
| 47 forBrowserState:(ios::ChromeBrowserState*)browserState | |
| 48 immediately:(BOOL)immediately; | |
| 49 | |
| 50 // Loads the window from the given browserState directory on disk on the main | |
| 51 // thread. Returns nil if no session was previously saved. | |
| 52 - (SessionWindowIOS*)loadWindowForBrowserState: | |
| 53 (ios::ChromeBrowserState*)browserState; | |
| 54 | |
| 55 // Schedules deletion of the file containing the commands for the last session | |
| 56 // in the given browserState directory. | |
| 57 - (void)deleteLastSession:(NSString*)directory; | |
| 58 | |
| 59 // Loads the window from the given backup file on disk on the main thread. | |
| 60 // Returns nil if unable to read the sessions. | |
| 61 - (SessionWindowIOS*)loadWindowFromPath:(NSString*)path | |
| 62 forBrowserState:(ios::ChromeBrowserState*)browserState; | |
| 63 | |
| 64 // Returns the path of the session file. | |
| 65 - (NSString*)sessionFilePathForDirectory:(NSString*)directory; | |
| 66 | |
| 67 @end | |
| 68 | |
| 69 @interface SessionServiceIOS (Testing) | |
| 70 | |
| 71 // For some of the unit tests, we need to make sure the session is saved | |
| 72 // immediately so we can read it back in to verify various attributes. This | |
| 73 // is not a situation we normally expect to be in because we never | |
| 74 // want the session being saved on the main thread in the production app. | |
| 75 - (void)performSaveWindow:(SessionWindowIOS*)window | |
| 76 toDirectory:(NSString*)directory; | |
| 77 | |
| 78 @end | |
| 79 | |
| 80 #endif // IOS_CHROME_BROWSER_SESSIONS_SESSION_SERVICE_H_ | |
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Chromium Code Reviews
Issue 2802763002:
[ios] Cleanup SessionServiceIOS implementation. (Closed)
