1 files changed, 84 insertions, 0 deletions
diff --git a/java/com/android/incallui/videotech/VideoTech.java b/java/com/android/incallui/videotech/VideoTech.java
new file mode 100644
index 000000000..7da74c057
--- /dev/null
+++ b/java/com/android/incallui/videotech/VideoTech.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2017 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.videotech;
+
+import android.content.Context;
+import com.android.incallui.video.protocol.VideoCallScreen;
+import com.android.incallui.video.protocol.VideoCallScreenDelegate;
+import com.android.incallui.videotech.utils.SessionModificationState;
+
+/** Video calling interface. */
+public interface VideoTech {
+
+  boolean isAvailable(Context context);
+
+  boolean isTransmittingOrReceiving();
+
+  /**
+   * Determines if the answer video UI should open the camera directly instead of letting the video
+   * tech manage the camera.
+   */
+  boolean isSelfManagedCamera();
+
+  boolean shouldUseSurfaceView();
+
+  VideoCallScreenDelegate createVideoCallScreenDelegate(
+      Context context, VideoCallScreen videoCallScreen);
+
+  void onCallStateChanged(Context context, int newState);
+
+  @SessionModificationState
+  int getSessionModificationState();
+
+  void upgradeToVideo();
+
+  void acceptVideoRequest();
+
+  void acceptVideoRequestAsAudio();
+
+  void declineVideoRequest();
+
+  boolean isTransmitting();
+
+  void stopTransmission();
+
+  void resumeTransmission();
+
+  void pause();
+
+  void unpause();
+
+  void setCamera(String cameraId);
+
+  void setDeviceOrientation(int rotation);
+
+  /** Listener for video call events. */
+  interface VideoTechListener {
+
+    void onVideoTechStateChanged();
+
+    void onSessionModificationStateChanged();
+
+    void onCameraDimensionsChanged(int width, int height);
+
+    void onPeerDimensionsChanged(int width, int height);
+
+    void onVideoUpgradeRequestReceived();
+
+    void onUpgradedToVideo(boolean switchToSpeaker);
+  }
+}