1 files changed, 127 insertions, 0 deletions
diff --git a/java/com/android/incallui/answer/impl/AnswerVideoCallScreen.java b/java/com/android/incallui/answer/impl/AnswerVideoCallScreen.java
new file mode 100644
index 000000000..0316a5fab
--- /dev/null
+++ b/java/com/android/incallui/answer/impl/AnswerVideoCallScreen.java
@@ -0,0 +1,127 @@
+/*
+ * 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.answer.impl;
+
+import android.content.res.Configuration;
+import android.graphics.Point;
+import android.support.annotation.NonNull;
+import android.support.v4.app.Fragment;
+import android.view.TextureView;
+import android.view.View;
+import com.android.dialer.common.Assert;
+import com.android.dialer.common.FragmentUtils;
+import com.android.dialer.common.LogUtil;
+import com.android.incallui.video.protocol.VideoCallScreen;
+import com.android.incallui.video.protocol.VideoCallScreenDelegate;
+import com.android.incallui.video.protocol.VideoCallScreenDelegateFactory;
+import com.android.incallui.videosurface.bindings.VideoSurfaceBindings;
+
+/** Shows a video preview for an incoming call. */
+public class AnswerVideoCallScreen implements VideoCallScreen {
+  @NonNull private final Fragment fragment;
+  @NonNull private final TextureView textureView;
+  @NonNull private final VideoCallScreenDelegate delegate;
+
+  public AnswerVideoCallScreen(@NonNull Fragment fragment, @NonNull View view) {
+    this.fragment = fragment;
+
+    textureView =
+        Assert.isNotNull((TextureView) view.findViewById(R.id.incoming_preview_texture_view));
+    View overlayView =
+        Assert.isNotNull(view.findViewById(R.id.incoming_preview_texture_view_overlay));
+    view.setBackgroundColor(0xff000000);
+    delegate =
+        FragmentUtils.getParentUnsafe(fragment, VideoCallScreenDelegateFactory.class)
+            .newVideoCallScreenDelegate();
+    delegate.initVideoCallScreenDelegate(fragment.getContext(), this);
+
+    textureView.setVisibility(View.VISIBLE);
+    overlayView.setVisibility(View.VISIBLE);
+  }
+
+  public void onStart() {
+    LogUtil.i("AnswerVideoCallScreen.onStart", null);
+    delegate.onVideoCallScreenUiReady();
+    delegate.getLocalVideoSurfaceTexture().attachToTextureView(textureView);
+  }
+
+  public void onStop() {
+    LogUtil.i("AnswerVideoCallScreen.onStop", null);
+    delegate.onVideoCallScreenUiUnready();
+  }
+
+  @Override
+  public void showVideoViews(
+      boolean shouldShowPreview, boolean shouldShowRemote, boolean isRemotelyHeld) {
+    LogUtil.i(
+        "AnswerVideoCallScreen.showVideoViews",
+        "showPreview: %b, shouldShowRemote: %b",
+        shouldShowPreview,
+        shouldShowRemote);
+  }
+
+  @Override
+  public void onLocalVideoDimensionsChanged() {
+    LogUtil.i("AnswerVideoCallScreen.onLocalVideoDimensionsChanged", null);
+    updatePreviewVideoScaling();
+  }
+
+  @Override
+  public void onRemoteVideoDimensionsChanged() {}
+
+  @Override
+  public void onLocalVideoOrientationChanged() {
+    LogUtil.i("AnswerVideoCallScreen.onLocalVideoOrientationChanged", null);
+    updatePreviewVideoScaling();
+  }
+
+  @Override
+  public void updateFullscreenAndGreenScreenMode(
+      boolean shouldShowFullscreen, boolean shouldShowGreenScreen) {}
+
+  @Override
+  public Fragment getVideoCallScreenFragment() {
+    return fragment;
+  }
+
+  private void updatePreviewVideoScaling() {
+    if (textureView.getWidth() == 0 || textureView.getHeight() == 0) {
+      LogUtil.i(
+          "AnswerVideoCallScreen.updatePreviewVideoScaling", "view layout hasn't finished yet");
+      return;
+    }
+    Point cameraDimensions = delegate.getLocalVideoSurfaceTexture().getSurfaceDimensions();
+    if (cameraDimensions == null) {
+      LogUtil.i("AnswerVideoCallScreen.updatePreviewVideoScaling", "camera dimensions not set");
+      return;
+    }
+    if (isLandscape()) {
+      VideoSurfaceBindings.scaleVideoAndFillView(
+          textureView, cameraDimensions.x, cameraDimensions.y, delegate.getDeviceOrientation());
+    } else {
+      // Landscape, so dimensions are swapped
+      //noinspection SuspiciousNameCombination
+      VideoSurfaceBindings.scaleVideoAndFillView(
+          textureView, cameraDimensions.y, cameraDimensions.x, delegate.getDeviceOrientation());
+    }
+  }
+
+  private boolean isLandscape() {
+    return fragment.getResources().getConfiguration().orientation
+        == Configuration.ORIENTATION_LANDSCAPE;
+  }
+}