Add Camera prewarm intent.

Also adds a test app for testing this intent. In addition, the secure
camera gets launched in the background to fix jank while sending the
intent.

Bug: 20016619
Change-Id: I7bb7e22ddaf5dc67fc09b9e63e5f3d10fe8e3ee4

7 files changed, 216 insertions, 0 deletions

diff --git a/tests/CameraPrewarmTest/Android.mk b/tests/CameraPrewarmTest/Android.mk
new file mode 100644
index 0000000..b6316f0
--- /dev/null
+++ b/tests/CameraPrewarmTest/Android.mk
@@ -0,0 +1,11 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files)
+
+LOCAL_PACKAGE_NAME := CameraPrewarmTest
+
+LOCAL_MODULE_TAGS := tests
+LOCAL_CERTIFICATE := platform
+
+include $(BUILD_PACKAGE)
diff --git a/tests/CameraPrewarmTest/AndroidManifest.xml b/tests/CameraPrewarmTest/AndroidManifest.xml
new file mode 100644
index 0000000..eb40200
--- /dev/null
+++ b/tests/CameraPrewarmTest/AndroidManifest.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ 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
+  -->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+        package="com.google.android.test.cameraprewarm">
+    <application android:label="@string/activity_title">
+
+        <activity android:name=".CameraActivity"
+                android:theme="@android:style/Theme.NoTitleBar">
+            <intent-filter>
+                <action android:name="android.media.action.STILL_IMAGE_CAMERA_SECURE" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.media.action.STILL_IMAGE_CAMERA" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+
+        <activity android:name=".SecureCameraActivity"
+                android:theme="@android:style/Theme.NoTitleBar">
+            <intent-filter>
+                <action android:name="android.media.action.STILL_IMAGE_CAMERA_SECURE" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+
+        <receiver android:name=".PrewarmReceiver" >
+            <intent-filter>
+                <action android:name="android.media.action.STILL_IMAGE_CAMERA_PREWARM" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.media.action.STILL_IMAGE_CAMERA_COOLDOWN" />
+            </intent-filter>
+        </receiver>
+
+    </application>
+</manifest>
diff --git a/tests/CameraPrewarmTest/res/layout/camera_activity.xml b/tests/CameraPrewarmTest/res/layout/camera_activity.xml
new file mode 100644
index 0000000..64437bc
--- /dev/null
+++ b/tests/CameraPrewarmTest/res/layout/camera_activity.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ 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
+  -->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:gravity="center">
+</LinearLayout>
+
diff --git a/tests/CameraPrewarmTest/res/values/strings.xml b/tests/CameraPrewarmTest/res/values/strings.xml
new file mode 100644
index 0000000..11f7ac7
--- /dev/null
+++ b/tests/CameraPrewarmTest/res/values/strings.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ 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
+  -->
+
+<resources>
+    <string name="activity_title">Assistant</string>
+    <string name="search_label">Orilla Search Engine</string>
+</resources>
diff --git a/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/CameraActivity.java b/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/CameraActivity.java
new file mode 100644
index 0000000..4d22234
--- /dev/null
+++ b/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/CameraActivity.java
@@ -0,0 +1,37 @@
+/*
+ * 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.google.android.test.cameraprewarm;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.WindowManager;
+
+import com.google.android.test.cameraprewarm.R;
+
+public class CameraActivity extends Activity {
+
+    public final static String TAG = "PrewarmTest";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.camera_activity);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
+        Log.i(TAG, "Activity created");
+    }
+}
diff --git a/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/PrewarmReceiver.java b/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/PrewarmReceiver.java
new file mode 100644
index 0000000..d49f96d
--- /dev/null
+++ b/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/PrewarmReceiver.java
@@ -0,0 +1,35 @@
+/*
+ * 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.google.android.test.cameraprewarm;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.provider.MediaStore;
+import android.util.Log;
+
+public class PrewarmReceiver extends BroadcastReceiver {
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if (intent.getAction().equals(MediaStore.ACTION_STILL_IMAGE_CAMERA_PREWARM)) {
+            Log.i(CameraActivity.TAG, "Prewarm received");
+        } else if (intent.getAction().equals(MediaStore.ACTION_STILL_IMAGE_CAMERA_COOLDOWN)){
+            Log.i(CameraActivity.TAG, "Cooldown received");
+        }
+    }
+}
diff --git a/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/SecureCameraActivity.java b/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/SecureCameraActivity.java
new file mode 100644
index 0000000..530fe00
--- /dev/null
+++ b/tests/CameraPrewarmTest/src/com/google/android/test/cameraprewarm/SecureCameraActivity.java
@@ -0,0 +1,35 @@
+/*
+ * 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.google.android.test.cameraprewarm;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.WindowManager;
+
+import com.google.android.test.cameraprewarm.R;
+
+public class SecureCameraActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.camera_activity);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+        Log.i(CameraActivity.TAG, "Activity created");
+    }
+}