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
|
// Copyright (c) 2011 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_BROWSER_EVENT_ROUTER_H_
#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_EVENT_ROUTER_H_
#pragma once
#include <map>
#include <set>
#include <string>
#include "base/files/file_path_watcher.h"
#include "base/memory/linked_ptr.h"
#include "base/memory/scoped_ptr.h"
#include "base/string16.h"
#include "base/synchronization/lock.h"
#include "chrome/browser/chromeos/cros/mount_library.h"
class Profile;
namespace chromeos {
class SystemNotification;
}
// Used to monitor disk mount changes and signal when new mounted usb device is
// found.
class ExtensionFileBrowserEventRouter
: public chromeos::MountLibrary::Observer {
public:
explicit ExtensionFileBrowserEventRouter(Profile* profile);
virtual ~ExtensionFileBrowserEventRouter();
// Starts observing file system change events. Currently only
// MountLibrary events are being observed.
void ObserveFileSystemEvents();
// File watch setup routines.
bool AddFileWatch(const FilePath& file_path,
const FilePath& virtual_path,
const std::string& extension_id);
void RemoveFileWatch(const FilePath& file_path,
const std::string& extension_id);
// MountLibrary::Observer overrides.
virtual void DiskChanged(chromeos::MountLibraryEventType event,
const chromeos::MountLibrary::Disk* disk) OVERRIDE;
virtual void DeviceChanged(chromeos::MountLibraryEventType event,
const std::string& device_path) OVERRIDE;
private:
typedef std::map<std::string, linked_ptr<chromeos::SystemNotification> >
NotificationMap;
typedef std::map<std::string, std::string> MountPointMap;
typedef struct FileWatcherExtensions {
FileWatcherExtensions(const FilePath& path, const std::string& extension_id) {
file_watcher.reset(new base::files::FilePathWatcher());
virtual_path = path;
extensions.insert(extension_id);
}
~FileWatcherExtensions() {}
linked_ptr<base::files::FilePathWatcher> file_watcher;
FilePath local_path;
FilePath virtual_path;
std::set<std::string> extensions;
} FileWatcherProcess;
typedef std::map<FilePath, FileWatcherExtensions*> WatcherMap;
// Helper class for passing through file watch notification events.
class FileWatcherDelegate : public base::files::FilePathWatcher::Delegate {
public:
explicit FileWatcherDelegate(ExtensionFileBrowserEventRouter* router);
private:
// base::files::FilePathWatcher::Delegate overrides.
virtual void OnFilePathChanged(const FilePath& path) OVERRIDE;
virtual void OnFilePathError(const FilePath& path) OVERRIDE;
void HandleFileWatchOnUIThread(const FilePath& local_path, bool got_error);
ExtensionFileBrowserEventRouter* router_;
};
// USB mount event handlers.
void OnDiskAdded(const chromeos::MountLibrary::Disk* disk);
void OnDiskRemoved(const chromeos::MountLibrary::Disk* disk);
void OnDiskChanged(const chromeos::MountLibrary::Disk* disk);
void OnDeviceAdded(const std::string& device_path);
void OnDeviceRemoved(const std::string& device_path);
void OnDeviceScanned(const std::string& device_path);
// Finds first notifications corresponding to the same device. Ensures that
// we don't pop up multiple notifications for the same device.
NotificationMap::iterator FindNotificationForPath(const std::string& path);
// Process file watch notifications.
void HandleFileWatchNotification(const FilePath& path,
bool got_error);
// Sends folder change event.
void DispatchFolderChangeEvent(const FilePath& path, bool error,
const std::set<std::string>& extensions);
// Sends filesystem changed extension message to all renderers.
void DispatchMountEvent(const chromeos::MountLibrary::Disk* disk, bool added);
void RemoveBrowserFromVector(const std::string& path);
// Used to create a window of a standard size, and add it to a list
// of tracked browser windows in case that device goes away.
void OpenFileBrowse(const std::string& url,
const std::string& device_path,
bool small);
// Show/hide desktop notifications.
void ShowDeviceNotification(const std::string& system_path,
int icon_resource_id,
const string16& message);
void HideDeviceNotification(const std::string& system_path);
scoped_refptr<FileWatcherDelegate> delegate_;
MountPointMap mounted_devices_;
NotificationMap notifications_;
WatcherMap file_watchers_;
Profile* profile_;
base::Lock lock_;
DISALLOW_COPY_AND_ASSIGN(ExtensionFileBrowserEventRouter);
};
#endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_EVENT_ROUTER_H_
|
