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comparison: ipc/chromium/src/base/chrome_application_mac.h
ipc/chromium/src/base/chrome_application_mac.h
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| 1 // Copyright (c) 2009 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 BASE_CHROME_APPLICATION_MAC_H_ | |
| 6 #define BASE_CHROME_APPLICATION_MAC_H_ | |
| 7 | |
| 8 #import <AppKit/AppKit.h> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/scoped_nsobject.h" | |
| 12 | |
| 13 // Event hooks must implement this protocol. | |
| 14 @protocol CrApplicationEventHookProtocol | |
| 15 - (void)hookForEvent:(NSEvent*)theEvent; | |
| 16 @end | |
| 17 | |
| 18 | |
| 19 @interface CrApplication : NSApplication { | |
| 20 @private | |
| 21 BOOL handlingSendEvent_; | |
| 22 // Array of objects implementing the CrApplicationEventHookProtocol | |
| 23 scoped_nsobject<NSMutableArray> eventHooks_; | |
| 24 } | |
| 25 @property(readonly, | |
| 26 getter=isHandlingSendEvent, | |
| 27 nonatomic) BOOL handlingSendEvent; | |
| 28 | |
| 29 // Add or remove an event hook to be called for every sendEvent: | |
| 30 // that the application receives. These handlers are called before | |
| 31 // the normal [NSApplication sendEvent:] call is made. | |
| 32 | |
| 33 // This is not a good alternative to a nested event loop. It should | |
| 34 // be used only when normal event logic and notification breaks down | |
| 35 // (e.g. when clicking outside a canBecomeKey:NO window to "switch | |
| 36 // context" out of it). | |
| 37 - (void)addEventHook:(id<CrApplicationEventHookProtocol>)hook; | |
| 38 - (void)removeEventHook:(id<CrApplicationEventHookProtocol>)hook; | |
| 39 | |
| 40 + (NSApplication*)sharedApplication; | |
| 41 @end | |
| 42 | |
| 43 namespace chrome_application_mac { | |
| 44 | |
| 45 // Controls the state of |handlingSendEvent_| in the event loop so that it is | |
| 46 // reset properly. | |
| 47 class ScopedSendingEvent { | |
| 48 public: | |
| 49 ScopedSendingEvent(); | |
| 50 ~ScopedSendingEvent(); | |
| 51 | |
| 52 private: | |
| 53 CrApplication* app_; | |
| 54 BOOL handling_; | |
| 55 DISALLOW_COPY_AND_ASSIGN(ScopedSendingEvent); | |
| 56 }; | |
| 57 | |
| 58 } // chrome_application_mac | |
| 59 | |
| 60 #endif // BASE_CHROME_APPLICATION_MAC_H_ |
