1 files changed, 90 insertions, 0 deletions
diff --git a/java/com/android/incallui/answerproximitysensor/SystemProximityWakeLock.java b/java/com/android/incallui/answerproximitysensor/SystemProximityWakeLock.java
new file mode 100644
index 000000000..776e9a42d
--- /dev/null
+++ b/java/com/android/incallui/answerproximitysensor/SystemProximityWakeLock.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2016 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.incallui.answerproximitysensor;
+
+import android.content.Context;
+import android.hardware.display.DisplayManager;
+import android.hardware.display.DisplayManager.DisplayListener;
+import android.os.PowerManager;
+import android.support.annotation.Nullable;
+import android.view.Display;
+import com.android.dialer.common.LogUtil;
+
+/** The normal PROXIMITY_SCREEN_OFF_WAKE_LOCK provided by the OS. */
+public class SystemProximityWakeLock implements AnswerProximityWakeLock, DisplayListener {
+
+  private static final String TAG = "SystemProximityWakeLock";
+
+  private final Context context;
+  private final PowerManager.WakeLock wakeLock;
+
+  @Nullable private ScreenOnListener listener;
+
+  public SystemProximityWakeLock(Context context) {
+    this.context = context;
+    wakeLock =
+        context
+            .getSystemService(PowerManager.class)
+            .newWakeLock(PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK, TAG);
+  }
+
+  @Override
+  public void acquire() {
+    wakeLock.acquire();
+    context.getSystemService(DisplayManager.class).registerDisplayListener(this, null);
+  }
+
+  @Override
+  public void release() {
+    wakeLock.release();
+    context.getSystemService(DisplayManager.class).unregisterDisplayListener(this);
+  }
+
+  @Override
+  public boolean isHeld() {
+    return wakeLock.isHeld();
+  }
+
+  @Override
+  public void setScreenOnListener(ScreenOnListener listener) {
+    this.listener = listener;
+  }
+
+  @Override
+  public void onDisplayAdded(int displayId) {}
+
+  @Override
+  public void onDisplayRemoved(int displayId) {}
+
+  @Override
+  public void onDisplayChanged(int displayId) {
+    if (displayId == Display.DEFAULT_DISPLAY) {
+      if (isDefaultDisplayOn(context)) {
+        LogUtil.i("SystemProximityWakeLock.onDisplayChanged", "display turned on");
+        if (listener != null) {
+          listener.onScreenOn();
+        }
+      }
+    }
+  }
+
+  private static boolean isDefaultDisplayOn(Context context) {
+    Display display =
+        context.getSystemService(DisplayManager.class).getDisplay(Display.DEFAULT_DISPLAY);
+    return display.getState() != Display.STATE_OFF;
+  }
+}