refactor: rename the atom directory to shell

shell/browser/net/asar/url_request_asar_job.h

@@ -0,0 +1,137 @@
+// Copyright (c) 2014 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_BROWSER_NET_ASAR_URL_REQUEST_ASAR_JOB_H_
+#define ATOM_BROWSER_NET_ASAR_URL_REQUEST_ASAR_JOB_H_
+
+#include <memory>
+#include <string>
+
+#include "atom/browser/net/js_asker.h"
+#include "atom/common/asar/archive.h"
+#include "base/files/file_path.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "net/http/http_byte_range.h"
+#include "net/url_request/url_request_job.h"
+
+namespace base {
+class TaskRunner;
+}
+
+namespace net {
+class FileStream;
+}
+
+namespace asar {
+
+// Createa a request job according to the file path.
+net::URLRequestJob* CreateJobFromPath(
+    const base::FilePath& full_path,
+    net::URLRequest* request,
+    net::NetworkDelegate* network_delegate,
+    const scoped_refptr<base::TaskRunner> file_task_runner);
+
+class URLRequestAsarJob : public net::URLRequestJob {
+ public:
+  URLRequestAsarJob(net::URLRequest* request,
+                    net::NetworkDelegate* network_delegate);
+
+  void Initialize(const scoped_refptr<base::TaskRunner> file_task_runner,
+                  const base::FilePath& file_path);
+
+ protected:
+  ~URLRequestAsarJob() override;
+
+  void InitializeAsarJob(const scoped_refptr<base::TaskRunner> file_task_runner,
+                         std::shared_ptr<Archive> archive,
+                         const base::FilePath& file_path,
+                         const Archive::FileInfo& file_info);
+  void InitializeFileJob(const scoped_refptr<base::TaskRunner> file_task_runner,
+                         const base::FilePath& file_path);
+
+  // net::URLRequestJob:
+  void Start() override;
+  void Kill() override;
+  int ReadRawData(net::IOBuffer* buf, int buf_size) override;
+  bool IsRedirectResponse(GURL* location,
+                          int* http_status_code,
+                          bool* insecure_scheme_was_upgraded) override;
+  std::unique_ptr<net::SourceStream> SetUpSourceStream() override;
+  bool GetMimeType(std::string* mime_type) const override;
+  void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers) override;
+  int GetResponseCode() const override;
+  void GetResponseInfo(net::HttpResponseInfo* info) override;
+
+ private:
+  // The type of this job.
+  enum class JobType {
+    kError,
+    kAsar,
+    kFile,
+  };
+
+  // Meta information about the file. It's used as a member in the
+  // URLRequestFileJob and also passed between threads because disk access is
+  // necessary to obtain it.
+  struct FileMetaInfo {
+    // Size of the file.
+    int64_t file_size = 0;
+    // Mime type associated with the file.
+    std::string mime_type;
+    // Result returned from GetMimeTypeFromFile(), i.e. flag showing whether
+    // obtaining of the mime type was successful.
+    bool mime_type_result = false;
+    // Flag showing whether the file exists.
+    bool file_exists = false;
+    // Flag showing whether the file name actually refers to a directory.
+    bool is_directory = false;
+    // Path to the file.
+    base::FilePath file_path;
+
+    FileMetaInfo();
+  };
+
+  // Fetches file info on a background thread.
+  static void FetchMetaInfo(const base::FilePath& file_path,
+                            JobType type,
+                            FileMetaInfo* meta_info);
+
+  // Callback after fetching file info on a background thread.
+  void DidFetchMetaInfo(const FileMetaInfo* meta_info);
+
+  // Callback after opening file on a background thread.
+  void DidOpen(int result);
+
+  // Callback after seeking to the beginning of |byte_range_| in the file
+  // on a background thread.
+  void DidSeek(int64_t result);
+
+  // Callback after data is asynchronously read from the file into |buf|.
+  void DidRead(scoped_refptr<net::IOBuffer> buf, int result);
+
+  JobType type_ = JobType::kError;
+
+  std::shared_ptr<Archive> archive_;
+  base::FilePath file_path_;
+  Archive::FileInfo file_info_;
+
+  std::unique_ptr<net::FileStream> stream_;
+  FileMetaInfo meta_info_;
+  scoped_refptr<base::TaskRunner> file_task_runner_;
+
+  net::HttpByteRange byte_range_;
+  int64_t remaining_bytes_ = 0;
+  int64_t seek_offset_ = 0;
+
+  net::Error range_parse_result_ = net::OK;
+
+  base::WeakPtrFactory<URLRequestAsarJob> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(URLRequestAsarJob);
+};
+
+}  // namespace asar
+
+#endif  // ATOM_BROWSER_NET_ASAR_URL_REQUEST_ASAR_JOB_H_