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Unified Diff: base/files/file_path_watcher_fsevents.h

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/files/file_path_watcher_fsevents.h
diff --git a/base/files/file_path_watcher_fsevents.h b/base/files/file_path_watcher_fsevents.h
deleted file mode 100644
index 300aa761dfa05e6b7b907453119c6ac0fbf281f3..0000000000000000000000000000000000000000
--- a/base/files/file_path_watcher_fsevents.h
+++ /dev/null
@@ -1,94 +0,0 @@
-// Copyright 2014 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_FILES_FILE_PATH_WATCHER_FSEVENTS_H_
-#define BASE_FILES_FILE_PATH_WATCHER_FSEVENTS_H_
-
-#include <CoreServices/CoreServices.h>
-
-#include <vector>
-
-#include "base/files/file_path.h"
-#include "base/files/file_path_watcher.h"
-
-namespace base {
-
-// Mac-specific file watcher implementation based on FSEvents.
-// There are trade-offs between the FSEvents implementation and a kqueue
-// implementation. The biggest issues are that FSEvents on 10.6 sometimes drops
-// events and kqueue does not trigger for modifications to a file in a watched
-// directory. See file_path_watcher_mac.cc for the code that decides when to
-// use which one.
-class FilePathWatcherFSEvents : public FilePathWatcher::PlatformDelegate {
- public:
- FilePathWatcherFSEvents();
-
- // FilePathWatcher::PlatformDelegate overrides.
- bool Watch(const FilePath& path,
- bool recursive,
- const FilePathWatcher::Callback& callback) override;
- void Cancel() override;
-
- private:
- static void FSEventsCallback(ConstFSEventStreamRef stream,
- void* event_watcher,
- size_t num_events,
- void* event_paths,
- const FSEventStreamEventFlags flags[],
- const FSEventStreamEventId event_ids[]);
-
- ~FilePathWatcherFSEvents() override;
-
- // Called from FSEventsCallback whenever there is a change to the paths.
- void OnFilePathsChanged(const std::vector<FilePath>& paths);
-
- // Called on the message_loop() thread to dispatch path events. Can't access
- // target_ and resolved_target_ directly as those are modified on the
- // libdispatch thread.
- void DispatchEvents(const std::vector<FilePath>& paths,
- const FilePath& target,
- const FilePath& resolved_target);
-
- // Cleans up and stops the event stream.
- void CancelOnMessageLoopThread() override;
-
- // (Re-)Initialize the event stream to start reporting events from
- // |start_event|.
- void UpdateEventStream(FSEventStreamEventId start_event);
-
- // Returns true if resolving the target path got a different result than
- // last time it was done.
- bool ResolveTargetPath();
-
- // Report an error watching the given target.
- void ReportError(const FilePath& target);
-
- // Destroy the event stream.
- void DestroyEventStream();
-
- // Start watching the FSEventStream.
- void StartEventStream(FSEventStreamEventId start_event, const FilePath& path);
-
- // Callback to notify upon changes.
- // (Only accessed from the message_loop() thread.)
- FilePathWatcher::Callback callback_;
-
- // Target path to watch (passed to callback).
- // (Only accessed from the libdispatch thread.)
- FilePath target_;
-
- // Target path with all symbolic links resolved.
- // (Only accessed from the libdispatch thread.)
- FilePath resolved_target_;
-
- // Backend stream we receive event callbacks from (strong reference).
- // (Only accessed from the libdispatch thread.)
- FSEventStreamRef fsevent_stream_;
-
- DISALLOW_COPY_AND_ASSIGN(FilePathWatcherFSEvents);
-};
-
-} // namespace base
-
-#endif // BASE_FILES_FILE_PATH_WATCHER_FSEVENTS_H_
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