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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // The basis for all native run loops on the Mac is the CFRunLoop. It can be | 5 // The basis for all native run loops on the Mac is the CFRunLoop. It can be |
6 // used directly, it can be used as the driving force behind the similar | 6 // used directly, it can be used as the driving force behind the similar |
7 // Foundation NSRunLoop, and it can be used to implement higher-level event | 7 // Foundation NSRunLoop, and it can be used to implement higher-level event |
8 // loops such as the NSApplication event loop. | 8 // loops such as the NSApplication event loop. |
9 // | 9 // |
10 // This file introduces a basic CFRunLoop-based implementation of the | 10 // This file introduces a basic CFRunLoop-based implementation of the |
11 // MessagePump interface called CFRunLoopBase. CFRunLoopBase contains all | 11 // MessagePump interface called CFRunLoopBase. CFRunLoopBase contains all |
12 // of the machinery necessary to dispatch events to a delegate, but does not | 12 // of the machinery necessary to dispatch events to a delegate, but does not |
13 // implement the specific run loop. Concrete subclasses must provide their | 13 // implement the specific run loop. Concrete subclasses must provide their |
14 // own DoRun and Quit implementations. | 14 // own DoRun and Quit implementations. |
15 // | 15 // |
16 // A concrete subclass that just runs a CFRunLoop loop is provided in | 16 // A concrete subclass that just runs a CFRunLoop loop is provided in |
17 // MessagePumpCFRunLoop. For an NSRunLoop, the similar MessagePumpNSRunLoop | 17 // MessagePumpCFRunLoop. For an NSRunLoop, the similar MessagePumpNSRunLoop |
18 // is provided. | 18 // is provided. |
19 // | 19 // |
20 // For the application's event loop, an implementation based on AppKit's | 20 // For the application's event loop, an implementation based on AppKit's |
21 // NSApplication event system is provided in MessagePumpNSApplication. | 21 // NSApplication event system is provided in MessagePumpNSApplication. |
22 // | 22 // |
23 // Typically, MessagePumpNSApplication only makes sense on a Cocoa | 23 // Typically, MessagePumpNSApplication only makes sense on a Cocoa |
24 // application's main thread. If a CFRunLoop-based message pump is needed on | 24 // application's main thread. If a CFRunLoop-based message pump is needed on |
25 // any other thread, one of the other concrete subclasses is preferrable. | 25 // any other thread, one of the other concrete subclasses is preferrable. |
26 // MessagePumpMac::Create is defined, which returns a new NSApplication-based | 26 // MessagePumpMac::Create is defined, which returns a new NSApplication-based |
27 // or NSRunLoop-based MessagePump subclass depending on which thread it is | 27 // or NSRunLoop-based MessagePump subclass depending on which thread it is |
28 // called on. | 28 // called on. |
29 | 29 |
30 #ifndef BASE_MESSAGE_PUMP_MAC_H_ | 30 #ifndef BASE_MESSAGE_LOOP_MESSAGE_PUMP_MAC_H_ |
31 #define BASE_MESSAGE_PUMP_MAC_H_ | 31 #define BASE_MESSAGE_LOOP_MESSAGE_PUMP_MAC_H_ |
32 | 32 |
33 #include "base/message_pump.h" | 33 #include "base/message_loop/message_pump.h" |
34 | 34 |
35 #include <CoreFoundation/CoreFoundation.h> | 35 #include <CoreFoundation/CoreFoundation.h> |
36 | 36 |
37 #if !defined(__OBJC__) | 37 #if !defined(__OBJC__) |
38 class NSAutoreleasePool; | 38 class NSAutoreleasePool; |
39 #else // !defined(__OBJC__) | 39 #else // !defined(__OBJC__) |
40 #if defined(OS_IOS) | 40 #if defined(OS_IOS) |
41 #import <Foundation/Foundation.h> | 41 #import <Foundation/Foundation.h> |
42 #else | 42 #else |
43 #import <AppKit/AppKit.h> | 43 #import <AppKit/AppKit.h> |
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250 virtual void Quit() OVERRIDE; | 250 virtual void Quit() OVERRIDE; |
251 | 251 |
252 // This message pump can not spin the main message loop directly. Instead, | 252 // This message pump can not spin the main message loop directly. Instead, |
253 // call |Attach()| to set up a delegate. It is an error to call |Run()|. | 253 // call |Attach()| to set up a delegate. It is an error to call |Run()|. |
254 virtual void Attach(Delegate* delegate); | 254 virtual void Attach(Delegate* delegate); |
255 | 255 |
256 protected: | 256 protected: |
257 virtual ~MessagePumpUIApplication(); | 257 virtual ~MessagePumpUIApplication(); |
258 | 258 |
259 private: | 259 private: |
260 base::RunLoop* run_loop_; | 260 RunLoop* run_loop_; |
261 | 261 |
262 DISALLOW_COPY_AND_ASSIGN(MessagePumpUIApplication); | 262 DISALLOW_COPY_AND_ASSIGN(MessagePumpUIApplication); |
263 }; | 263 }; |
264 | 264 |
265 #else | 265 #else |
266 | 266 |
267 class MessagePumpNSApplication : public MessagePumpCFRunLoopBase { | 267 class MessagePumpNSApplication : public MessagePumpCFRunLoopBase { |
268 public: | 268 public: |
269 MessagePumpNSApplication(); | 269 MessagePumpNSApplication(); |
270 | 270 |
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327 // Requires NSApp to implement CrAppProtocol. | 327 // Requires NSApp to implement CrAppProtocol. |
328 BASE_EXPORT static bool IsHandlingSendEvent(); | 328 BASE_EXPORT static bool IsHandlingSendEvent(); |
329 #endif // !defined(OS_IOS) | 329 #endif // !defined(OS_IOS) |
330 | 330 |
331 private: | 331 private: |
332 DISALLOW_IMPLICIT_CONSTRUCTORS(MessagePumpMac); | 332 DISALLOW_IMPLICIT_CONSTRUCTORS(MessagePumpMac); |
333 }; | 333 }; |
334 | 334 |
335 } // namespace base | 335 } // namespace base |
336 | 336 |
337 #endif // BASE_MESSAGE_PUMP_MAC_H_ | 337 #endif // BASE_MESSAGE_LOOP_MESSAGE_PUMP_MAC_H_ |
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