OLD | NEW |
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 |
(...skipping 14 matching lines...) Expand all Loading... |
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_LOOP_MESSAGE_PUMP_MAC_H_ | 30 #ifndef BASE_MESSAGE_LOOP_MESSAGE_PUMP_MAC_H_ |
31 #define BASE_MESSAGE_LOOP_MESSAGE_PUMP_MAC_H_ | 31 #define BASE_MESSAGE_LOOP_MESSAGE_PUMP_MAC_H_ |
32 | 32 |
33 #include "base/message_loop/message_pump.h" | 33 #include "base/message_loop/message_pump.h" |
34 | 34 |
| 35 #include "base/basictypes.h" |
| 36 |
35 #include <CoreFoundation/CoreFoundation.h> | 37 #include <CoreFoundation/CoreFoundation.h> |
36 | 38 |
37 #if !defined(__OBJC__) | 39 #if !defined(__OBJC__) |
38 class NSAutoreleasePool; | 40 class NSAutoreleasePool; |
39 #else // !defined(__OBJC__) | 41 #else // !defined(__OBJC__) |
40 #if defined(OS_IOS) | 42 #if defined(OS_IOS) |
41 #import <Foundation/Foundation.h> | 43 #import <Foundation/Foundation.h> |
42 #else | 44 #else |
43 #import <AppKit/AppKit.h> | 45 #import <AppKit/AppKit.h> |
44 | 46 |
(...skipping 11 matching lines...) Expand all Loading... |
56 namespace base { | 58 namespace base { |
57 | 59 |
58 class RunLoop; | 60 class RunLoop; |
59 class TimeTicks; | 61 class TimeTicks; |
60 | 62 |
61 class MessagePumpCFRunLoopBase : public MessagePump { | 63 class MessagePumpCFRunLoopBase : public MessagePump { |
62 // Needs access to CreateAutoreleasePool. | 64 // Needs access to CreateAutoreleasePool. |
63 friend class MessagePumpScopedAutoreleasePool; | 65 friend class MessagePumpScopedAutoreleasePool; |
64 public: | 66 public: |
65 MessagePumpCFRunLoopBase(); | 67 MessagePumpCFRunLoopBase(); |
| 68 virtual ~MessagePumpCFRunLoopBase(); |
66 | 69 |
67 // Subclasses should implement the work they need to do in MessagePump::Run | 70 // Subclasses should implement the work they need to do in MessagePump::Run |
68 // in the DoRun method. MessagePumpCFRunLoopBase::Run calls DoRun directly. | 71 // in the DoRun method. MessagePumpCFRunLoopBase::Run calls DoRun directly. |
69 // This arrangement is used because MessagePumpCFRunLoopBase needs to set | 72 // This arrangement is used because MessagePumpCFRunLoopBase needs to set |
70 // up and tear down things before and after the "meat" of DoRun. | 73 // up and tear down things before and after the "meat" of DoRun. |
71 virtual void Run(Delegate* delegate) OVERRIDE; | 74 virtual void Run(Delegate* delegate) OVERRIDE; |
72 virtual void DoRun(Delegate* delegate) = 0; | 75 virtual void DoRun(Delegate* delegate) = 0; |
73 | 76 |
74 virtual void ScheduleWork() OVERRIDE; | 77 virtual void ScheduleWork() OVERRIDE; |
75 virtual void ScheduleDelayedWork(const TimeTicks& delayed_work_time) OVERRIDE; | 78 virtual void ScheduleDelayedWork(const TimeTicks& delayed_work_time) OVERRIDE; |
76 | 79 |
77 protected: | 80 protected: |
78 virtual ~MessagePumpCFRunLoopBase(); | |
79 | |
80 // Accessors for private data members to be used by subclasses. | 81 // Accessors for private data members to be used by subclasses. |
81 CFRunLoopRef run_loop() const { return run_loop_; } | 82 CFRunLoopRef run_loop() const { return run_loop_; } |
82 int nesting_level() const { return nesting_level_; } | 83 int nesting_level() const { return nesting_level_; } |
83 int run_nesting_level() const { return run_nesting_level_; } | 84 int run_nesting_level() const { return run_nesting_level_; } |
84 | 85 |
85 // Sets this pump's delegate. Signals the appropriate sources if | 86 // Sets this pump's delegate. Signals the appropriate sources if |
86 // |delegateless_work_| is true. |delegate| can be NULL. | 87 // |delegateless_work_| is true. |delegate| can be NULL. |
87 void SetDelegate(Delegate* delegate); | 88 void SetDelegate(Delegate* delegate); |
88 | 89 |
89 // Return an autorelease pool to wrap around any work being performed. | 90 // Return an autorelease pool to wrap around any work being performed. |
(...skipping 102 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
192 // work on entry and redispatch it as needed once a delegate is available. | 193 // work on entry and redispatch it as needed once a delegate is available. |
193 bool delegateless_work_; | 194 bool delegateless_work_; |
194 bool delegateless_idle_work_; | 195 bool delegateless_idle_work_; |
195 | 196 |
196 DISALLOW_COPY_AND_ASSIGN(MessagePumpCFRunLoopBase); | 197 DISALLOW_COPY_AND_ASSIGN(MessagePumpCFRunLoopBase); |
197 }; | 198 }; |
198 | 199 |
199 class MessagePumpCFRunLoop : public MessagePumpCFRunLoopBase { | 200 class MessagePumpCFRunLoop : public MessagePumpCFRunLoopBase { |
200 public: | 201 public: |
201 MessagePumpCFRunLoop(); | 202 MessagePumpCFRunLoop(); |
| 203 virtual ~MessagePumpCFRunLoop(); |
202 | 204 |
203 virtual void DoRun(Delegate* delegate) OVERRIDE; | 205 virtual void DoRun(Delegate* delegate) OVERRIDE; |
204 virtual void Quit() OVERRIDE; | 206 virtual void Quit() OVERRIDE; |
205 | 207 |
206 protected: | |
207 virtual ~MessagePumpCFRunLoop(); | |
208 | |
209 private: | 208 private: |
210 virtual void EnterExitRunLoop(CFRunLoopActivity activity) OVERRIDE; | 209 virtual void EnterExitRunLoop(CFRunLoopActivity activity) OVERRIDE; |
211 | 210 |
212 // True if Quit is called to stop the innermost MessagePump | 211 // True if Quit is called to stop the innermost MessagePump |
213 // (innermost_quittable_) but some other CFRunLoopRun loop (nesting_level_) | 212 // (innermost_quittable_) but some other CFRunLoopRun loop (nesting_level_) |
214 // is running inside the MessagePump's innermost Run call. | 213 // is running inside the MessagePump's innermost Run call. |
215 bool quit_pending_; | 214 bool quit_pending_; |
216 | 215 |
217 DISALLOW_COPY_AND_ASSIGN(MessagePumpCFRunLoop); | 216 DISALLOW_COPY_AND_ASSIGN(MessagePumpCFRunLoop); |
218 }; | 217 }; |
219 | 218 |
220 class MessagePumpNSRunLoop : public MessagePumpCFRunLoopBase { | 219 class MessagePumpNSRunLoop : public MessagePumpCFRunLoopBase { |
221 public: | 220 public: |
222 BASE_EXPORT MessagePumpNSRunLoop(); | 221 BASE_EXPORT MessagePumpNSRunLoop(); |
| 222 virtual ~MessagePumpNSRunLoop(); |
223 | 223 |
224 virtual void DoRun(Delegate* delegate) OVERRIDE; | 224 virtual void DoRun(Delegate* delegate) OVERRIDE; |
225 virtual void Quit() OVERRIDE; | 225 virtual void Quit() OVERRIDE; |
226 | 226 |
227 protected: | |
228 virtual ~MessagePumpNSRunLoop(); | |
229 | |
230 private: | 227 private: |
231 // A source that doesn't do anything but provide something signalable | 228 // A source that doesn't do anything but provide something signalable |
232 // attached to the run loop. This source will be signalled when Quit | 229 // attached to the run loop. This source will be signalled when Quit |
233 // is called, to cause the loop to wake up so that it can stop. | 230 // is called, to cause the loop to wake up so that it can stop. |
234 CFRunLoopSourceRef quit_source_; | 231 CFRunLoopSourceRef quit_source_; |
235 | 232 |
236 // False after Quit is called. | 233 // False after Quit is called. |
237 bool keep_running_; | 234 bool keep_running_; |
238 | 235 |
239 DISALLOW_COPY_AND_ASSIGN(MessagePumpNSRunLoop); | 236 DISALLOW_COPY_AND_ASSIGN(MessagePumpNSRunLoop); |
240 }; | 237 }; |
241 | 238 |
242 #if defined(OS_IOS) | 239 #if defined(OS_IOS) |
243 // This is a fake message pump. It attaches sources to the main thread's | 240 // This is a fake message pump. It attaches sources to the main thread's |
244 // CFRunLoop, so PostTask() will work, but it is unable to drive the loop | 241 // CFRunLoop, so PostTask() will work, but it is unable to drive the loop |
245 // directly, so calling Run() or Quit() are errors. | 242 // directly, so calling Run() or Quit() are errors. |
246 class MessagePumpUIApplication : public MessagePumpCFRunLoopBase { | 243 class MessagePumpUIApplication : public MessagePumpCFRunLoopBase { |
247 public: | 244 public: |
248 MessagePumpUIApplication(); | 245 MessagePumpUIApplication(); |
| 246 virtual ~MessagePumpUIApplication(); |
249 virtual void DoRun(Delegate* delegate) OVERRIDE; | 247 virtual void DoRun(Delegate* delegate) OVERRIDE; |
250 virtual void Quit() OVERRIDE; | 248 virtual void Quit() OVERRIDE; |
251 | 249 |
252 // This message pump can not spin the main message loop directly. Instead, | 250 // 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()|. | 251 // call |Attach()| to set up a delegate. It is an error to call |Run()|. |
254 virtual void Attach(Delegate* delegate); | 252 virtual void Attach(Delegate* delegate); |
255 | 253 |
256 protected: | |
257 virtual ~MessagePumpUIApplication(); | |
258 | |
259 private: | 254 private: |
260 RunLoop* run_loop_; | 255 RunLoop* run_loop_; |
261 | 256 |
262 DISALLOW_COPY_AND_ASSIGN(MessagePumpUIApplication); | 257 DISALLOW_COPY_AND_ASSIGN(MessagePumpUIApplication); |
263 }; | 258 }; |
264 | 259 |
265 #else | 260 #else |
266 | 261 |
267 class MessagePumpNSApplication : public MessagePumpCFRunLoopBase { | 262 class MessagePumpNSApplication : public MessagePumpCFRunLoopBase { |
268 public: | 263 public: |
269 MessagePumpNSApplication(); | 264 MessagePumpNSApplication(); |
| 265 virtual ~MessagePumpNSApplication(); |
270 | 266 |
271 virtual void DoRun(Delegate* delegate) OVERRIDE; | 267 virtual void DoRun(Delegate* delegate) OVERRIDE; |
272 virtual void Quit() OVERRIDE; | 268 virtual void Quit() OVERRIDE; |
273 | 269 |
274 protected: | |
275 virtual ~MessagePumpNSApplication(); | |
276 | |
277 private: | 270 private: |
278 // False after Quit is called. | 271 // False after Quit is called. |
279 bool keep_running_; | 272 bool keep_running_; |
280 | 273 |
281 // True if DoRun is managing its own run loop as opposed to letting | 274 // True if DoRun is managing its own run loop as opposed to letting |
282 // -[NSApplication run] handle it. The outermost run loop in the application | 275 // -[NSApplication run] handle it. The outermost run loop in the application |
283 // is managed by -[NSApplication run], inner run loops are handled by a loop | 276 // is managed by -[NSApplication run], inner run loops are handled by a loop |
284 // in DoRun. | 277 // in DoRun. |
285 bool running_own_loop_; | 278 bool running_own_loop_; |
286 | 279 |
287 DISALLOW_COPY_AND_ASSIGN(MessagePumpNSApplication); | 280 DISALLOW_COPY_AND_ASSIGN(MessagePumpNSApplication); |
288 }; | 281 }; |
289 | 282 |
290 class MessagePumpCrApplication : public MessagePumpNSApplication { | 283 class MessagePumpCrApplication : public MessagePumpNSApplication { |
291 public: | 284 public: |
292 MessagePumpCrApplication(); | 285 MessagePumpCrApplication(); |
| 286 virtual ~MessagePumpCrApplication(); |
293 | 287 |
294 protected: | 288 protected: |
295 virtual ~MessagePumpCrApplication() {} | |
296 | |
297 // Returns nil if NSApp is currently in the middle of calling | 289 // Returns nil if NSApp is currently in the middle of calling |
298 // -sendEvent. Requires NSApp implementing CrAppProtocol. | 290 // -sendEvent. Requires NSApp implementing CrAppProtocol. |
299 virtual NSAutoreleasePool* CreateAutoreleasePool() OVERRIDE; | 291 virtual NSAutoreleasePool* CreateAutoreleasePool() OVERRIDE; |
300 | 292 |
301 private: | 293 private: |
302 DISALLOW_COPY_AND_ASSIGN(MessagePumpCrApplication); | 294 DISALLOW_COPY_AND_ASSIGN(MessagePumpCrApplication); |
303 }; | 295 }; |
304 #endif // !defined(OS_IOS) | 296 #endif // !defined(OS_IOS) |
305 | 297 |
306 class MessagePumpMac { | 298 class MessagePumpMac { |
(...skipping 21 matching lines...) Expand all Loading... |
328 BASE_EXPORT static bool IsHandlingSendEvent(); | 320 BASE_EXPORT static bool IsHandlingSendEvent(); |
329 #endif // !defined(OS_IOS) | 321 #endif // !defined(OS_IOS) |
330 | 322 |
331 private: | 323 private: |
332 DISALLOW_IMPLICIT_CONSTRUCTORS(MessagePumpMac); | 324 DISALLOW_IMPLICIT_CONSTRUCTORS(MessagePumpMac); |
333 }; | 325 }; |
334 | 326 |
335 } // namespace base | 327 } // namespace base |
336 | 328 |
337 #endif // BASE_MESSAGE_LOOP_MESSAGE_PUMP_MAC_H_ | 329 #endif // BASE_MESSAGE_LOOP_MESSAGE_PUMP_MAC_H_ |
OLD | NEW |