Index: content/public/browser/battery_status_provider.h |
diff --git a/content/public/browser/battery_status_provider.h b/content/public/browser/battery_status_provider.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6720247cdeefc4f21d4c39c8f31e10529db42d44 |
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+++ b/content/public/browser/battery_status_provider.h |
@@ -0,0 +1,59 @@ |
+// 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 CONTENT_PUBLIC_BROWSER_BATTERY_STATUS_PROVIDER_H_ |
+#define CONTENT_PUBLIC_BROWSER_BATTERY_STATUS_PROVIDER_H_ |
+ |
+#include <list> |
+ |
+#include "base/memory/singleton.h" |
+#include "base/observer_list.h" |
+#include "content/common/content_export.h" |
+ |
+namespace content { |
+ |
+struct CONTENT_EXPORT PowerSupplyStatus { |
jam
2012/04/12 01:55:10
the content api, like the webkit api, puts each st
sadrul
2012/04/12 05:20:09
Done.
|
+ bool line_power_on; |
+ |
+ bool battery_is_present; |
+ bool battery_is_full; |
+ |
+ // Time in seconds until the battery is empty or full, 0 for unknown. |
+ int64 battery_seconds_to_empty; |
+ int64 battery_seconds_to_full; |
+ |
+ double battery_percentage; |
+ |
+ bool is_calculating_battery_time; |
+}; |
+ |
+class CONTENT_EXPORT BatteryStatusProvider { |
+ public: |
+ class CONTENT_EXPORT Observer { |
jam
2012/04/12 01:55:10
this class is only used by content, so it doesn't
sadrul
2012/04/12 05:20:09
Done.
|
+ public: |
+ virtual void PowerChanged(const PowerSupplyStatus& power_status) = 0; |
+ }; |
+ |
+ static BatteryStatusProvider* GetInstance(); |
+ |
+ void AddObserver(Observer* observer); |
jam
2012/04/12 01:55:10
for the content API we follow webkit API and only
sadrul
2012/04/12 05:20:09
Done.
|
+ void RemoveObserver(Observer* observer); |
+ |
+ // Sends updated battery status information to all the observers. |
+ void SendUpdate(const PowerSupplyStatus& power_status); |
+ |
+ private: |
+ friend struct DefaultSingletonTraits<BatteryStatusProvider>; |
+ |
+ BatteryStatusProvider(); |
+ virtual ~BatteryStatusProvider(); |
+ |
+ ObserverList<Observer> observers_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(BatteryStatusProvider); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_PUBLIC_BROWSER_BATTERY_STATUS_PROVIDER_H_ |