1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
// Copyright (c) 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 CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_EVENT_ROUTER_H_
#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_EVENT_ROUTER_H_
#include <stdint.h>
#include <map>
#include <string>
#include <vector>
#include "base/compiler_specific.h"
#include "base/files/file_path_watcher.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/chromeos/drive/drive_integration_service.h"
#include "chrome/browser/chromeos/extensions/file_manager/device_event_router.h"
#include "chrome/browser/chromeos/extensions/file_manager/job_event_router.h"
#include "chrome/browser/chromeos/file_manager/file_watcher.h"
#include "chrome/browser/chromeos/file_manager/fileapi_util.h"
#include "chrome/browser/chromeos/file_manager/volume_manager.h"
#include "chrome/browser/chromeos/file_manager/volume_manager_observer.h"
#include "chrome/common/extensions/api/file_manager_private.h"
#include "chromeos/disks/disk_mount_manager.h"
#include "chromeos/network/network_state_handler_observer.h"
#include "chromeos/settings/timezone_settings.h"
#include "components/drive/file_system_observer.h"
#include "components/drive/service/drive_service_interface.h"
#include "components/drive/sync_client.h"
#include "components/keyed_service/core/keyed_service.h"
#include "storage/browser/fileapi/file_system_operation.h"
class PrefChangeRegistrar;
class Profile;
using file_manager::util::EntryDefinition;
namespace base {
class ListValue;
}
namespace chromeos {
class NetworkState;
}
namespace drive {
class FileChange;
}
namespace file_manager {
// Monitors changes in disk mounts, network connection state and preferences
// affecting File Manager. Dispatches appropriate File Browser events.
class EventRouter : public KeyedService,
public chromeos::NetworkStateHandlerObserver,
public chromeos::system::TimezoneSettings::Observer,
public drive::FileSystemObserver,
public drive::DriveServiceObserver,
public VolumeManagerObserver {
public:
typedef base::Callback<void(const base::FilePath& virtual_path,
const drive::FileChange* list,
bool got_error,
const std::vector<std::string>& extension_ids)>
DispatchDirectoryChangeEventImplCallback;
explicit EventRouter(Profile* profile);
~EventRouter() override;
// KeyedService overrides.
void Shutdown() override;
typedef base::Callback<void(bool success)> BoolCallback;
// Adds a file watch at |local_path|, associated with |virtual_path|, for
// an extension with |extension_id|.
//
// |callback| will be called with true on success, or false on failure.
// |callback| must not be null.
//
// Obsolete. Used as fallback for files which backends do not implement the
// storage::WatcherManager interface.
void AddFileWatch(const base::FilePath& local_path,
const base::FilePath& virtual_path,
const std::string& extension_id,
const BoolCallback& callback);
// Removes a file watch at |local_path| for an extension with |extension_id|.
//
// Obsolete. Used as fallback for files which backends do not implement the
// storage::WatcherManager interface.
void RemoveFileWatch(const base::FilePath& local_path,
const std::string& extension_id);
// Called when a copy task is completed.
void OnCopyCompleted(
int copy_id, const GURL& source_url, const GURL& destination_url,
base::File::Error error);
// Called when a copy task progress is updated.
void OnCopyProgress(int copy_id,
storage::FileSystemOperation::CopyProgressType type,
const GURL& source_url,
const GURL& destination_url,
int64_t size);
// Called when a notification from a watcher manager arrives.
void OnWatcherManagerNotification(
const storage::FileSystemURL& file_system_url,
const std::string& extension_id,
storage::WatcherManager::ChangeType change_type);
// chromeos::NetworkStateHandlerObserver overrides.
void DefaultNetworkChanged(const chromeos::NetworkState* network) override;
// chromeos::system::TimezoneSettings::Observer overrides.
void TimezoneChanged(const icu::TimeZone& timezone) override;
// drive::DriveServiceObserver overrides.
void OnRefreshTokenInvalid() override;
void OnReadyToSendRequests() override;
// drive::FileSystemObserver overrides.
void OnDirectoryChanged(const base::FilePath& drive_path) override;
void OnFileChanged(const drive::FileChange& changed_files) override;
void OnDriveSyncError(drive::file_system::DriveSyncErrorType type,
const base::FilePath& drive_path) override;
// VolumeManagerObserver overrides.
void OnDiskAdded(const chromeos::disks::DiskMountManager::Disk& disk,
bool mounting) override;
void OnDiskRemoved(
const chromeos::disks::DiskMountManager::Disk& disk) override;
void OnDeviceAdded(const std::string& device_path) override;
void OnDeviceRemoved(const std::string& device_path) override;
void OnVolumeMounted(chromeos::MountError error_code,
const Volume& volume) override;
void OnVolumeUnmounted(chromeos::MountError error_code,
const Volume& volume) override;
void OnFormatStarted(const std::string& device_path, bool success) override;
void OnFormatCompleted(const std::string& device_path, bool success) override;
// Set custom dispatch directory change event implementation for testing.
void SetDispatchDirectoryChangeEventImplForTesting(
const DispatchDirectoryChangeEventImplCallback& callback);
// Returns a weak pointer for the event router.
base::WeakPtr<EventRouter> GetWeakPtr();
private:
typedef std::map<base::FilePath, FileWatcher*> WatcherMap;
// Starts observing file system change events.
void ObserveEvents();
// Called when prefs related to file manager change.
void OnFileManagerPrefsChanged();
// Process file watch notifications.
void HandleFileWatchNotification(const drive::FileChange* list,
const base::FilePath& path,
bool got_error);
// Sends directory change event.
void DispatchDirectoryChangeEvent(
const base::FilePath& path,
const drive::FileChange* list,
bool got_error,
const std::vector<std::string>& extension_ids);
// Default implementation of DispatchDirectoryChangeEvent.
void DispatchDirectoryChangeEventImpl(
const base::FilePath& path,
const drive::FileChange* list,
bool got_error,
const std::vector<std::string>& extension_ids);
// Sends directory change event, after converting the file definition to entry
// definition.
void DispatchDirectoryChangeEventWithEntryDefinition(
const linked_ptr<drive::FileChange> list,
const std::string* extension_id,
bool watcher_error,
const EntryDefinition& entry_definition);
// Dispatches the mount completed event.
void DispatchMountCompletedEvent(
extensions::api::file_manager_private::MountCompletedEventType event_type,
chromeos::MountError error,
const Volume& volume);
// If needed, opens a file manager window for the removable device mounted at
// |mount_path|. Disk.mount_path() is empty, since it is being filled out
// after calling notifying observers by DiskMountManager.
void ShowRemovableDeviceInFileManager(VolumeType type,
const base::FilePath& mount_path);
// Sends onFileTransferUpdate event right now if |immediate| is set. Otherwise
// it refrains from sending for a short while, and after that it sends the
// most recently scheduled event once.
// The delay is for waiting subsequent 'added' events to come after the first
// one when multiple tasks are added. This way, we can avoid frequent UI
// update caused by differences between singular and plural cases.
void ScheduleDriveFileTransferEvent(const drive::JobInfo& job_info,
const std::string& status,
bool immediate);
// Sends the most recently scheduled onFileTransferUpdated event to
// extensions.
// This is used for implementing ScheduledDriveFileTransferEvent().
void SendDriveFileTransferEvent();
base::Time last_copy_progress_event_;
WatcherMap file_watchers_;
scoped_ptr<PrefChangeRegistrar> pref_change_registrar_;
Profile* profile_;
scoped_ptr<DeviceEventRouter> device_event_router_;
scoped_ptr<JobEventRouter> job_event_router_;
DispatchDirectoryChangeEventImplCallback
dispatch_directory_change_event_impl_;
// Note: This should remain the last member so it'll be destroyed and
// invalidate the weak pointers before any other members are destroyed.
base::WeakPtrFactory<EventRouter> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(EventRouter);
};
} // namespace file_manager
#endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_EVENT_ROUTER_H_
|
