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Unified Diff: base/message_pump_io_ios.h

Issue 17078005: Move message_pump to base/message_loop. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 6 months ago
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Index: base/message_pump_io_ios.h
diff --git a/base/message_pump_io_ios.h b/base/message_pump_io_ios.h
deleted file mode 100644
index 81f529d5131f295c80b23780dd0a0909a1fbdcf5..0000000000000000000000000000000000000000
--- a/base/message_pump_io_ios.h
+++ /dev/null
@@ -1,142 +0,0 @@
-// Copyright 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef BASE_MESSAGE_PUMP_IO_IOS_H_
-#define BASE_MESSAGE_PUMP_IO_IOS_H_
-
-#include "base/base_export.h"
-#include "base/mac/scoped_cffiledescriptorref.h"
-#include "base/mac/scoped_cftyperef.h"
-#include "base/memory/ref_counted.h"
-#include "base/message_pump_mac.h"
-#include "base/observer_list.h"
-
-namespace base {
-
-// This file introduces a class to monitor sockets and issue callbacks when
-// sockets are ready for I/O on iOS.
-class BASE_EXPORT MessagePumpIOSForIO : public MessagePumpNSRunLoop {
- public:
- class IOObserver {
- public:
- IOObserver() {}
-
- // An IOObserver is an object that receives IO notifications from the
- // MessagePump.
- //
- // NOTE: An IOObserver implementation should be extremely fast!
- virtual void WillProcessIOEvent() = 0;
- virtual void DidProcessIOEvent() = 0;
-
- protected:
- virtual ~IOObserver() {}
- };
-
- // Used with WatchFileDescriptor to asynchronously monitor the I/O readiness
- // of a file descriptor.
- class Watcher {
- public:
- // Called from MessageLoop::Run when an FD can be read from/written to
- // without blocking
- virtual void OnFileCanReadWithoutBlocking(int fd) = 0;
- virtual void OnFileCanWriteWithoutBlocking(int fd) = 0;
-
- protected:
- virtual ~Watcher() {}
- };
-
- // Object returned by WatchFileDescriptor to manage further watching.
- class FileDescriptorWatcher {
- public:
- FileDescriptorWatcher();
- ~FileDescriptorWatcher(); // Implicitly calls StopWatchingFileDescriptor.
-
- // NOTE: These methods aren't called StartWatching()/StopWatching() to
- // avoid confusion with the win32 ObjectWatcher class.
-
- // Stop watching the FD, always safe to call. No-op if there's nothing
- // to do.
- bool StopWatchingFileDescriptor();
-
- private:
- friend class MessagePumpIOSForIO;
- friend class MessagePumpIOSForIOTest;
-
- // Called by MessagePumpIOSForIO, ownership of |fdref| and |fd_source|
- // is transferred to this object.
- void Init(CFFileDescriptorRef fdref,
- CFOptionFlags callback_types,
- CFRunLoopSourceRef fd_source,
- bool is_persistent);
-
- void set_pump(MessagePumpIOSForIO* pump) { pump_ = pump; }
- MessagePumpIOSForIO* pump() const { return pump_; }
-
- void set_watcher(Watcher* watcher) { watcher_ = watcher; }
-
- void OnFileCanReadWithoutBlocking(int fd, MessagePumpIOSForIO* pump);
- void OnFileCanWriteWithoutBlocking(int fd, MessagePumpIOSForIO* pump);
-
- bool is_persistent_; // false if this event is one-shot.
- base::mac::ScopedCFFileDescriptorRef fdref_;
- CFOptionFlags callback_types_;
- base::mac::ScopedCFTypeRef<CFRunLoopSourceRef> fd_source_;
- scoped_refptr<MessagePumpIOSForIO> pump_;
- Watcher* watcher_;
-
- DISALLOW_COPY_AND_ASSIGN(FileDescriptorWatcher);
- };
-
- enum Mode {
- WATCH_READ = 1 << 0,
- WATCH_WRITE = 1 << 1,
- WATCH_READ_WRITE = WATCH_READ | WATCH_WRITE
- };
-
- MessagePumpIOSForIO();
-
- // Have the current thread's message loop watch for a a situation in which
- // reading/writing to the FD can be performed without blocking.
- // Callers must provide a preallocated FileDescriptorWatcher object which
- // can later be used to manage the lifetime of this event.
- // If a FileDescriptorWatcher is passed in which is already attached to
- // an event, then the effect is cumulative i.e. after the call |controller|
- // will watch both the previous event and the new one.
- // If an error occurs while calling this method in a cumulative fashion, the
- // event previously attached to |controller| is aborted.
- // Returns true on success.
- // Must be called on the same thread the message_pump is running on.
- bool WatchFileDescriptor(int fd,
- bool persistent,
- int mode,
- FileDescriptorWatcher *controller,
- Watcher *delegate);
-
- void RemoveRunLoopSource(CFRunLoopSourceRef source);
-
- void AddIOObserver(IOObserver* obs);
- void RemoveIOObserver(IOObserver* obs);
-
- protected:
- virtual ~MessagePumpIOSForIO();
-
- private:
- friend class MessagePumpIOSForIOTest;
-
- void WillProcessIOEvent();
- void DidProcessIOEvent();
-
- static void HandleFdIOEvent(CFFileDescriptorRef fdref,
- CFOptionFlags callback_types,
- void* context);
-
- ObserverList<IOObserver> io_observers_;
- ThreadChecker watch_file_descriptor_caller_checker_;
-
- DISALLOW_COPY_AND_ASSIGN(MessagePumpIOSForIO);
-};
-
-} // namespace base
-
-#endif // BASE_MESSAGE_PUMP_IO_IOS_H_
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