Index: chrome/browser/download/download_ui_controller.h |
diff --git a/chrome/browser/download/download_ui_controller.h b/chrome/browser/download/download_ui_controller.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f4f8de8a7e6a49fac408f70904d7de7fd249db15 |
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+++ b/chrome/browser/download/download_ui_controller.h |
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+// Copyright 2013 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_DOWNLOAD_DOWNLOAD_UI_CONTROLLER_H_ |
+#define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_UI_CONTROLLER_H_ |
+ |
+#include <set> |
+ |
+#include "base/memory/scoped_ptr.h" |
+#include "chrome/browser/download/all_download_item_notifier.h" |
+ |
+class Profile; |
+ |
+namespace content { |
+class WebContents; |
+} |
+ |
+// This class handles the task of observing for download notifications and |
+// notifying the UI when a new download should be displayed in the UI. |
+// |
+// This class monitors each IN_PROGRESS download that is created (for which |
+// OnDownloadCreated is called) until: |
+// - it is assigned a target path or |
+// - is interrupted. |
+// Then the NotifyDownloadStarting() method of the Delegate is invoked. |
+class DownloadUIController : public AllDownloadItemNotifier::Observer { |
+ public: |
+ // The delegate is responsible for figuring out how to notify the UI. |
+ class Delegate { |
+ public: |
+ virtual ~Delegate(); |
+ virtual void NotifyDownloadStarting(content::DownloadItem* item) = 0; |
+ }; |
+ |
+ // |manager| is the download manager to observe for new downloads. If |
+ // |delegate.get()| is NULL, then the default delegate is constructed. |
+ // |
+ // On Android the default delegate notifies DownloadControllerAndroid. On |
+ // other platforms the target of the notification is a Browser object. |
+ // |
+ // Currently explicit delegates are only used for testing. |
+ DownloadUIController(content::DownloadManager* manager, |
+ scoped_ptr<Delegate> delegate); |
+ |
+ virtual ~DownloadUIController(); |
+ |
+ private: |
+ virtual void OnDownloadCreated(content::DownloadManager* manager, |
+ content::DownloadItem* item) OVERRIDE; |
+ virtual void OnDownloadUpdated(content::DownloadManager* manager, |
+ content::DownloadItem* item) OVERRIDE; |
+ |
+ AllDownloadItemNotifier download_notifier_; |
+ |
+ scoped_ptr<Delegate> delegate_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(DownloadUIController); |
+}; |
+ |
+#endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_UI_CONTROLLER_H_ |