1 files changed, 130 insertions, 0 deletions
diff --git a/services/java/com/android/server/ConsumerIrService.java b/services/java/com/android/server/ConsumerIrService.java
new file mode 100644
index 0000000..07f2a41
--- /dev/null
+++ b/services/java/com/android/server/ConsumerIrService.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2013 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.
+ */
+
+package com.android.server;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.PackageManager;
+import android.database.ContentObserver;
+import android.hardware.input.InputManager;
+import android.hardware.IConsumerIrService;
+import android.os.Handler;
+import android.os.PowerManager;
+import android.os.Process;
+import android.os.RemoteException;
+import android.os.IBinder;
+import android.os.Binder;
+import android.os.ServiceManager;
+import android.os.SystemClock;
+import android.os.UserHandle;
+import android.os.WorkSource;
+import android.provider.Settings;
+import android.provider.Settings.SettingNotFoundException;
+import android.util.Slog;
+import android.view.InputDevice;
+
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.ListIterator;
+
+public class ConsumerIrService extends IConsumerIrService.Stub {
+    private static final String TAG = "ConsumerIrService";
+
+    private static final int MAX_XMIT_TIME = 2000000; /* in microseconds */
+
+    private static native int halOpen();
+    private static native int halTransmit(int halObject, int carrierFrequency, int[] pattern);
+    private static native int[] halGetCarrierFrequencies(int halObject);
+
+    private final Context mContext;
+    private final PowerManager.WakeLock mWakeLock;
+    private final int mHal;
+    private final Object mHalLock = new Object();
+
+    ConsumerIrService(Context context) {
+        mContext = context;
+        PowerManager pm = (PowerManager)context.getSystemService(
+                Context.POWER_SERVICE);
+        mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
+        mWakeLock.setReferenceCounted(true);
+
+        mHal = halOpen();
+        if (mHal == 0) {
+            Slog.w(TAG, "No IR HAL loaded");
+        }
+    }
+
+    @Override
+    public boolean hasIrEmitter() {
+        return mHal != 0;
+    }
+
+    private void throwIfNoIrEmitter() {
+        if (mHal == 0) {
+            throw new UnsupportedOperationException("IR emitter not available");
+        }
+    }
+
+
+    @Override
+    public void transmit(String packageName, int carrierFrequency, int[] pattern) {
+        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.TRANSMIT_IR)
+                != PackageManager.PERMISSION_GRANTED) {
+            throw new SecurityException("Requires TRANSMIT_IR permission");
+        }
+
+        long totalXmitTime = 0;
+
+        for (int slice : pattern) {
+            if (slice <= 0) {
+                throw new IllegalArgumentException("Non-positive IR slice");
+            }
+            totalXmitTime += slice;
+        }
+
+        if (totalXmitTime > MAX_XMIT_TIME ) {
+            throw new IllegalArgumentException("IR pattern too long");
+        }
+
+        throwIfNoIrEmitter();
+
+        // Right now there is no mechanism to ensure fair queing of IR requests
+        synchronized (mHalLock) {
+            int err = halTransmit(mHal, carrierFrequency, pattern);
+
+            if (err < 0) {
+                Slog.e(TAG, "Error transmitting: " + err);
+            }
+        }
+    }
+
+    @Override
+    public int[] getCarrierFrequencies() {
+        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.TRANSMIT_IR)
+                != PackageManager.PERMISSION_GRANTED) {
+            throw new SecurityException("Requires TRANSMIT_IR permission");
+        }
+
+        throwIfNoIrEmitter();
+
+        synchronized(mHalLock) {
+            return halGetCarrierFrequencies(mHal);
+        }
+    }
+}