1 files changed, 113 insertions, 0 deletions
diff --git a/src/com/android/tv/ui/TuningBlockView.java b/src/com/android/tv/ui/TuningBlockView.java
new file mode 100644
index 00000000..2914b461
--- /dev/null
+++ b/src/com/android/tv/ui/TuningBlockView.java
@@ -0,0 +1,113 @@
+/*
+ * 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.tv.ui;
+
+import android.animation.Animator;
+import android.animation.AnimatorInflater;
+import android.animation.AnimatorListenerAdapter;
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+
+import com.android.tv.R;
+import com.android.tv.common.SoftPreconditions;
+
+/**
+ * A view to block the screen while tuning channels.
+ */
+public class TuningBlockView extends FrameLayout{
+    private final static String TAG = "TuningBlockView";
+
+    private ImageView mImageView;
+    private Animator mFadeOut;
+
+    public TuningBlockView(Context context) {
+        this(context, null, 0);
+    }
+
+    public TuningBlockView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public TuningBlockView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        mImageView = (ImageView) findViewById(R.id.image);
+        mFadeOut = AnimatorInflater.loadAnimator(
+                getContext(), R.animator.tuning_block_view_fade_out);
+        mFadeOut.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                setVisibility(GONE);
+            }
+        });
+        mFadeOut.setTarget(mImageView);
+    }
+
+    /**
+     * Sets image to the image view. This method should be called after finishing inflate the view.
+     */
+    public void setImage(Drawable imageDrawable) {
+        SoftPreconditions.checkState(mImageView != null, TAG, "imageView is null");
+        mImageView.setImageDrawable(imageDrawable);
+    }
+
+    /**
+     * Sets the visibility of image view.
+     * This method should be called after finishing inflate the view.
+     */
+    public void setImageVisibility(boolean visible) {
+        SoftPreconditions.checkState(mImageView != null, TAG, "imageView is null");
+        mImageView.setAlpha(1.0f);
+        mImageView.setVisibility(visible ? VISIBLE: GONE);
+    }
+
+    /**
+     * Returns if the image view is visible.
+     * This method should be called after finishing inflate the view.
+     */
+    public boolean isImageArtVisible() {
+        SoftPreconditions.checkState(mImageView != null, TAG, "imageView is null");
+        return mImageView.getVisibility() == VISIBLE;
+    }
+
+    /**
+     * Hides the view with animation if needed.
+     */
+    public void hideWithAnimationIfNeeded() {
+        if (getVisibility() == VISIBLE && isImageArtVisible()) {
+            mFadeOut.start();
+        } else {
+            setVisibility(GONE);
+        }
+    }
+
+    /**
+     * Ends the fade out animator.
+     */
+    public void endFadeOutAnimator() {
+        if (mFadeOut != null && mFadeOut.isRunning()) {
+            mFadeOut.end();
+        }
+    }
+}