1 // Copyright (c) 2012 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 CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SERVICE_H_
6 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SERVICE_H_
8 #include "base/basictypes.h"
9 #include "base/callback_forward.h"
10 #include "base/memory/scoped_ptr.h"
11 #include "components/keyed_service/core/keyed_service.h"
13 class ChromeDownloadManagerDelegate;
14 class DownloadHistory;
15 class DownloadUIController;
16 class ExtensionDownloadsEventRouter;
20 class DownloadManager;
23 namespace extensions {
24 class ExtensionDownloadsEventRouter;
27 // Owning class for ChromeDownloadManagerDelegate.
28 class DownloadService : public KeyedService {
30 explicit DownloadService(Profile* profile);
31 virtual ~DownloadService();
33 // Get the download manager delegate, creating it if it doesn't already exist.
34 ChromeDownloadManagerDelegate* GetDownloadManagerDelegate();
36 // Get the interface to the history system. Returns NULL if profile is
37 // incognito or if the DownloadManager hasn't been created yet or if there is
38 // no HistoryService for profile.
39 DownloadHistory* GetDownloadHistory();
41 #if !defined(OS_ANDROID)
42 extensions::ExtensionDownloadsEventRouter* GetExtensionEventRouter() {
43 return extension_event_router_.get();
47 // Has a download manager been created?
48 bool HasCreatedDownloadManager();
50 // Number of non-malicious downloads associated with this instance of the
52 int NonMaliciousDownloadCount() const;
54 // Cancels all in-progress downloads for this profile.
55 void CancelDownloads();
57 // Number of non-malicious downloads associated with all profiles.
58 static int NonMaliciousDownloadCountAllProfiles();
60 // Cancels all in-progress downloads for all profiles.
61 static void CancelAllDownloads();
63 // Sets the DownloadManagerDelegate associated with this object and
64 // its DownloadManager. Takes ownership of |delegate|, and destroys
65 // the previous delegate. For testing.
66 void SetDownloadManagerDelegateForTesting(
67 scoped_ptr<ChromeDownloadManagerDelegate> delegate);
69 // Will be called to release references on other services as part
70 // of Profile shutdown.
71 virtual void Shutdown() OVERRIDE;
73 // Returns false if at least one extension has disabled the shelf, true
75 bool IsShelfEnabled();
78 bool download_manager_created_;
81 // ChromeDownloadManagerDelegate may be the target of callbacks from
82 // the history service/DB thread and must be kept alive for those
84 scoped_ptr<ChromeDownloadManagerDelegate> manager_delegate_;
86 scoped_ptr<DownloadHistory> download_history_;
88 // The UI controller is responsible for observing the download manager and
89 // notifying the UI of any new downloads. Its lifetime matches that of the
90 // associated download manager.
91 scoped_ptr<DownloadUIController> download_ui_;
93 // On Android, GET downloads are not handled by the DownloadManager.
94 // Once we have extensions on android, we probably need the EventRouter
95 // in ContentViewDownloadDelegate which knows about both GET and POST
97 #if !defined(OS_ANDROID)
98 // The ExtensionDownloadsEventRouter dispatches download creation, change, and
99 // erase events to extensions. Like ChromeDownloadManagerDelegate, it's a
100 // chrome-level concept and its lifetime should match DownloadManager. There
101 // should be a separate EDER for on-record and off-record managers.
102 // There does not appear to be a separate ExtensionSystem for on-record and
103 // off-record profiles, so ExtensionSystem cannot own the EDER.
104 scoped_ptr<extensions::ExtensionDownloadsEventRouter> extension_event_router_;
107 DISALLOW_COPY_AND_ASSIGN(DownloadService);
110 #endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_SERVICE_H_