From 99e69716215cd0665379bc90d708f2ea8689831d Mon Sep 17 00:00:00 2001
From: Ruben Brunk <rubenbrunk@google.com>
Date: Tue, 26 May 2015 17:25:07 -0700
Subject: Track camera and flashlight usage in battery stats.

Bug: 15986092

Change-Id: I9dc6828332e4091fd93bf2d82839e8e3862a2fc2
---
 media/utils/include/mediautils/BatteryNotifier.h | 73 ++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 media/utils/include/mediautils/BatteryNotifier.h

(limited to 'media/utils/include')

diff --git a/media/utils/include/mediautils/BatteryNotifier.h b/media/utils/include/mediautils/BatteryNotifier.h
new file mode 100644
index 0000000..4904804
--- /dev/null
+++ b/media/utils/include/mediautils/BatteryNotifier.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2015, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MEDIA_BATTERY_NOTIFIER_H
+#define MEDIA_BATTERY_NOTIFIER_H
+
+#include <binder/IBatteryStats.h>
+#include <utils/Singleton.h>
+#include <utils/String8.h>
+
+#include <map>
+#include <utility>
+
+namespace android {
+
+/**
+ * Class used for logging battery life events in mediaserver.
+ */
+class BatteryNotifier : public Singleton<BatteryNotifier> {
+
+    friend class Singleton<BatteryNotifier>;
+    BatteryNotifier();
+
+public:
+    ~BatteryNotifier();
+
+    void noteStartVideo();
+    void noteStopVideo();
+    void noteResetVideo();
+    void noteStartAudio();
+    void noteStopAudio();
+    void noteResetAudio();
+    void noteFlashlightOn(const String8& id, int uid);
+    void noteFlashlightOff(const String8& id, int uid);
+    void noteResetFlashlight();
+    void noteStartCamera(const String8& id, int uid);
+    void noteStopCamera(const String8& id, int uid);
+    void noteResetCamera();
+
+private:
+    void onBatteryStatServiceDied();
+
+    class DeathNotifier : public IBinder::DeathRecipient {
+        virtual void binderDied(const wp<IBinder>& /*who*/);
+    };
+
+    Mutex mLock;
+    int mVideoRefCount;
+    int mAudioRefCount;
+    std::map<std::pair<String8, int>, bool> mFlashlightState;
+    std::map<std::pair<String8, int>, bool> mCameraState;
+    sp<IBatteryStats> mBatteryStatService;
+    sp<DeathNotifier> mDeathNotifier;
+
+    sp<IBatteryStats> getBatteryService_l();
+};
+
+}  // namespace android
+
+#endif // MEDIA_BATTERY_NOTIFIER_H
-- 
cgit v1.1