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// 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 <string>
#include <map>
#include "base/memory/linked_ptr.h"
#include "base/string16.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:
static ExtensionFileBrowserEventRouter* GetInstance();
// Starts/stops observing file system change events. Currently only
// MountLibrary events are being observed.
void ObserveFileSystemEvents(Profile* profile);
void StopObservingFileSystemEvents();
// MountLibrary::Observer overrides.
virtual void DiskChanged(chromeos::MountLibraryEventType event,
const chromeos::MountLibrary::Disk* disk);
virtual void DeviceChanged(chromeos::MountLibraryEventType event,
const std::string& device_path);
private:
friend struct DefaultSingletonTraits<ExtensionFileBrowserEventRouter>;
typedef std::map<std::string, linked_ptr<chromeos::SystemNotification> >
NotificationMap;
typedef std::map<std::string, std::string> MountPointMap;
ExtensionFileBrowserEventRouter();
virtual ~ExtensionFileBrowserEventRouter();
// 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);
// Sends filesystem changed extension message to all renderers.
void DispatchEvent(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);
MountPointMap mounted_devices_;
NotificationMap notifications_;
Profile* profile_;
DISALLOW_COPY_AND_ASSIGN(ExtensionFileBrowserEventRouter);
};
#endif // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_EVENT_ROUTER_H_
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