f32e59d4b2
* Switch DevToolsFileSystemIndexer to use SequencedTaskRunner https://chromium-review.googlesource.com/c/chromium/src/+/545200 * Remove dead code from devtools_file_system_indexer.cc https://codereview.chromium.org/2508443002 * Fix DCHECKs and a crash in DevToolsFileSystemIndexer https://chromium-review.googlesource.com/c/chromium/src/+/553958 * reset trigram cache when devtools window closes https://chromium-review.googlesource.com/c/chromium/src/+/969969 * Directly use base::File instead of FileProxy in DevToolsFileSystemIndexer https://chromium-review.googlesource.com/c/chromium/src/+/544793
108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BRIGHTRAY_BROWSER_DEVTOOLS_FILE_SYSTEM_INDEXER_H_
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#define BRIGHTRAY_BROWSER_DEVTOOLS_FILE_SYSTEM_INDEXER_H_
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#include <stdint.h>
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include "base/callback.h"
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#include "base/files/file.h"
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#include "base/macros.h"
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#include "base/memory/ref_counted.h"
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namespace base {
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class FilePath;
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class FileEnumerator;
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class Time;
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} // namespace base
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namespace brightray {
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class DevToolsFileSystemIndexer
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: public base::RefCountedThreadSafe<DevToolsFileSystemIndexer> {
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public:
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typedef base::Callback<void(int)> TotalWorkCallback;
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typedef base::Callback<void(int)> WorkedCallback;
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typedef base::Callback<void()> DoneCallback;
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typedef base::Callback<void(const std::vector<std::string>&)> SearchCallback;
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class FileSystemIndexingJob
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: public base::RefCountedThreadSafe<FileSystemIndexingJob> {
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public:
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void Stop();
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private:
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friend class base::RefCountedThreadSafe<FileSystemIndexingJob>;
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friend class DevToolsFileSystemIndexer;
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FileSystemIndexingJob(const base::FilePath& file_system_path,
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const TotalWorkCallback& total_work_callback,
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const WorkedCallback& worked_callback,
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const DoneCallback& done_callback);
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virtual ~FileSystemIndexingJob();
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void Start();
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void StopOnImplSequence();
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void CollectFilesToIndex();
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void IndexFiles();
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void ReadFromFile();
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void OnRead(base::File::Error error, const char* data, int bytes_read);
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void FinishFileIndexing(bool success);
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void CloseFile();
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void ReportWorked();
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base::FilePath file_system_path_;
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TotalWorkCallback total_work_callback_;
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WorkedCallback worked_callback_;
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DoneCallback done_callback_;
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std::unique_ptr<base::FileEnumerator> file_enumerator_;
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typedef std::map<base::FilePath, base::Time> FilePathTimesMap;
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FilePathTimesMap file_path_times_;
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FilePathTimesMap::const_iterator indexing_it_;
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base::File current_file_;
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int64_t current_file_offset_;
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typedef int32_t Trigram;
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std::vector<Trigram> current_trigrams_;
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// The index in this vector is the trigram id.
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std::vector<bool> current_trigrams_set_;
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base::TimeTicks last_worked_notification_time_;
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int files_indexed_;
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bool stopped_;
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};
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DevToolsFileSystemIndexer();
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// Performs file system indexing for given |file_system_path| and sends
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// progress callbacks.
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scoped_refptr<FileSystemIndexingJob> IndexPath(
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const std::string& file_system_path,
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const TotalWorkCallback& total_work_callback,
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const WorkedCallback& worked_callback,
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const DoneCallback& done_callback);
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// Performs trigram search for given |query| in |file_system_path|.
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void SearchInPath(const std::string& file_system_path,
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const std::string& query,
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const SearchCallback& callback);
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private:
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friend class base::RefCountedThreadSafe<DevToolsFileSystemIndexer>;
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virtual ~DevToolsFileSystemIndexer();
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void SearchInPathOnImplSequence(const std::string& file_system_path,
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const std::string& query,
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const SearchCallback& callback);
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DISALLOW_COPY_AND_ASSIGN(DevToolsFileSystemIndexer);
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};
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} // namespace brightray
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#endif // BRIGHTRAY_BROWSER_DEVTOOLS_FILE_SYSTEM_INDEXER_H_
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