1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CONTENT_CHILD_FILEAPI_WEBFILESYSTEM_IMPL_H_
6 #define CONTENT_CHILD_FILEAPI_WEBFILESYSTEM_IMPL_H_
10 #include "base/basictypes.h"
11 #include "base/compiler_specific.h"
12 #include "base/memory/ref_counted.h"
13 #include "base/threading/non_thread_safe.h"
14 #include "third_party/WebKit/public/platform/WebFileSystem.h"
15 #include "webkit/child/worker_task_runner.h"
18 class MessageLoopProxy;
24 class WebFileWriterClient;
29 class WebFileSystemImpl
30 : public WebKit::WebFileSystem,
31 public webkit_glue::WorkerTaskRunner::Observer,
32 public base::NonThreadSafe {
34 // Returns thread-specific instance. If non-null |main_thread_loop|
35 // is given and no thread-specific instance has been created it may
36 // create a new instance.
37 static WebFileSystemImpl* ThreadSpecificInstance(
38 base::MessageLoopProxy* main_thread_loop);
40 // Deletes thread-specific instance (if exists). For workers it deletes
41 // itself in OnWorkerRunLoopStopped(), but for an instance created on the
42 // main thread this method must be called.
43 static void DeleteThreadSpecificInstance();
45 explicit WebFileSystemImpl(base::MessageLoopProxy* main_thread_loop);
46 virtual ~WebFileSystemImpl();
48 // webkit_glue::WorkerTaskRunner::Observer implementation.
49 virtual void OnWorkerRunLoopStopped() OVERRIDE;
51 // WebFileSystem implementation.
52 virtual void openFileSystem(
53 const WebKit::WebURL& storage_partition,
54 const WebKit::WebFileSystemType type,
55 WebKit::WebFileSystemCallbacks);
56 virtual void resolveURL(
57 const WebKit::WebURL& filesystem_url,
58 WebKit::WebFileSystemCallbacks) OVERRIDE;
59 virtual void deleteFileSystem(
60 const WebKit::WebURL& storage_partition,
61 const WebKit::WebFileSystemType type,
62 WebKit::WebFileSystemCallbacks);
64 const WebKit::WebURL& src_path,
65 const WebKit::WebURL& dest_path,
66 WebKit::WebFileSystemCallbacks) OVERRIDE;
68 const WebKit::WebURL& src_path,
69 const WebKit::WebURL& dest_path,
70 WebKit::WebFileSystemCallbacks) OVERRIDE;
72 const WebKit::WebURL& path,
73 WebKit::WebFileSystemCallbacks) OVERRIDE;
74 virtual void removeRecursively(
75 const WebKit::WebURL& path,
76 WebKit::WebFileSystemCallbacks) OVERRIDE;
77 virtual void readMetadata(
78 const WebKit::WebURL& path,
79 WebKit::WebFileSystemCallbacks) OVERRIDE;
80 virtual void createFile(
81 const WebKit::WebURL& path,
83 WebKit::WebFileSystemCallbacks) OVERRIDE;
84 virtual void createDirectory(
85 const WebKit::WebURL& path,
87 WebKit::WebFileSystemCallbacks) OVERRIDE;
88 virtual void fileExists(
89 const WebKit::WebURL& path,
90 WebKit::WebFileSystemCallbacks) OVERRIDE;
91 virtual void directoryExists(
92 const WebKit::WebURL& path,
93 WebKit::WebFileSystemCallbacks) OVERRIDE;
94 virtual void readDirectory(
95 const WebKit::WebURL& path,
96 WebKit::WebFileSystemCallbacks) OVERRIDE;
97 virtual void createFileWriter(
98 const WebKit::WebURL& path,
99 WebKit::WebFileWriterClient*,
100 WebKit::WebFileSystemCallbacks) OVERRIDE;
101 virtual void createSnapshotFileAndReadMetadata(
102 const WebKit::WebURL& path,
103 WebKit::WebFileSystemCallbacks);
105 int RegisterCallbacks(const WebKit::WebFileSystemCallbacks& callbacks);
106 WebKit::WebFileSystemCallbacks GetAndUnregisterCallbacks(
110 typedef std::map<int, WebKit::WebFileSystemCallbacks> CallbacksMap;
112 scoped_refptr<base::MessageLoopProxy> main_thread_loop_;
114 CallbacksMap callbacks_;
115 int next_callbacks_id_;
117 DISALLOW_COPY_AND_ASSIGN(WebFileSystemImpl);
120 } // namespace content
122 #endif // CONTENT_CHILD_FILEAPI_WEBFILESYSTEM_IMPL_H_