DO NOT MERGE Disable AccelerometerListener when display is off

Unregister the accelerometer listener when the screen is off
to reduce power consumption.

Slight refactor of component constructors to facilitate testing.

Add test.

Bug: 23498050
Change-Id: If1971a39e8a418253f6611116c855e3c6cf81b93

1 files changed, 64 insertions, 0 deletions

diff --git a/InCallUI/tests/src/com/android/incallui/ProximitySensorTest.java b/InCallUI/tests/src/com/android/incallui/ProximitySensorTest.java
new file mode 100644
index 000000000..d7b2f64b6
--- /dev/null
+++ b/InCallUI/tests/src/com/android/incallui/ProximitySensorTest.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 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
+ */
+
+package com.android.incallui;
+
+import static org.mockito.Mockito.anyBoolean;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+
+import android.test.InstrumentationTestCase;
+
+import com.android.incallui.InCallPresenter.InCallState;
+
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+
+public class ProximitySensorTest extends InstrumentationTestCase {
+    @Mock private AccelerometerListener mAccelerometerListener;
+    private MockCallListWrapper mCallList;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        System.setProperty("dexmaker.dexcache",
+                getInstrumentation().getTargetContext().getCacheDir().getPath());
+        MockitoAnnotations.initMocks(this);
+        mCallList = new MockCallListWrapper();
+    }
+
+    public void testAccelerometerBehaviorOnDisplayChange() {
+        final ProximitySensor proximitySensor =
+                new ProximitySensor(
+                        getInstrumentation().getContext(),
+                        new AudioModeProvider(),
+                        mAccelerometerListener);
+        verify(mAccelerometerListener, never()).enable(anyBoolean());
+        proximitySensor.onStateChange(null, InCallState.OUTGOING, mCallList.getCallList());
+        verify(mAccelerometerListener).enable(true);
+        verify(mAccelerometerListener, never()).enable(false);
+
+        proximitySensor.onDisplayStateChanged(false);
+        verify(mAccelerometerListener).enable(true);
+        verify(mAccelerometerListener).enable(false);
+
+        proximitySensor.onDisplayStateChanged(true);
+        verify(mAccelerometerListener, times(2)).enable(true);
+        verify(mAccelerometerListener).enable(false);
+    }
+}