content: /*
   * 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.google.android.exoplayer2.text;
  
  import android.annotation.TargetApi;
  import android.graphics.Color;
  import android.graphics.Typeface;
  import android.support.annotation.IntDef;
  import android.view.accessibility.CaptioningManager;
  import android.view.accessibility.CaptioningManager.CaptionStyle;
  import com.google.android.exoplayer2.util.Util;
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  
  /**
   * A compatibility wrapper for {@link CaptionStyle}.
   */
  public final class CaptionStyleCompat {
  
    /**
     * The type of edge, which may be none.
     */
    @Retention(RetentionPolicy.SOURCE)
    @IntDef({EDGE_TYPE_NONE, EDGE_TYPE_OUTLINE, EDGE_TYPE_DROP_SHADOW, EDGE_TYPE_RAISED,
        EDGE_TYPE_DEPRESSED})
    public @interface EdgeType {}
    /**
     * Edge type value specifying no character edges.
     */
    public static final int EDGE_TYPE_NONE = 0;
    /**
     * Edge type value specifying uniformly outlined character edges.
     */
    public static final int EDGE_TYPE_OUTLINE = 1;
    /**
     * Edge type value specifying drop-shadowed character edges.
     */
    public static final int EDGE_TYPE_DROP_SHADOW = 2;
    /**
     * Edge type value specifying raised bevel character edges.
     */
    public static final int EDGE_TYPE_RAISED = 3;
    /**
     * Edge type value specifying depressed bevel character edges.
     */
    public static final int EDGE_TYPE_DEPRESSED = 4;
  
    /**
     * Use color setting specified by the track and fallback to default caption style.
     */
    public static final int USE_TRACK_COLOR_SETTINGS = 1;
  
    /**
     * Default caption style.
     */
    public static final CaptionStyleCompat DEFAULT = new CaptionStyleCompat(
        Color.WHITE, Color.BLACK, Color.TRANSPARENT, EDGE_TYPE_NONE, Color.WHITE, null);
  
    /**
     * The preferred foreground color.
     */
    public final int foregroundColor;
  
    /**
     * The preferred background color.
     */
    public final int backgroundColor;
  
    /**
     * The preferred window color.
     */
    public final int windowColor;
  
    /**
     * The preferred edge type. One of:
     * <ul>
     * <li>{@link #EDGE_TYPE_NONE}
     * <li>{@link #EDGE_TYPE_OUTLINE}
     * <li>{@link #EDGE_TYPE_DROP_SHADOW}
     * <li>{@link #EDGE_TYPE_RAISED}
     * <li>{@link #EDGE_TYPE_DEPRESSED}
     * </ul>
     */
    @EdgeType public final int edgeType;
  
    /**
     * The preferred edge color, if using an edge type other than {@link #EDGE_TYPE_NONE}.
     */
    public final int edgeColor;
  
    /**
     * The preferred typeface.
     */
    public final Typeface typeface;
  
    /**
     * Creates a {@link CaptionStyleCompat} equivalent to a provided {@link CaptionStyle}.
     *
     * @param captionStyle A {@link CaptionStyle}.
     * @return The equivalent {@link CaptionStyleCompat}.
     */
    @TargetApi(19)
    public static CaptionStyleCompat createFromCaptionStyle(
        CaptioningManager.CaptionStyle captionStyle) {
      if (Util.SDK_INT >= 21) {
        return createFromCaptionStyleV21(captionStyle);
      } else {
        // Note - Any caller must be on at least API level 19 or greater (because CaptionStyle did
        // not exist in earlier API levels).
        return createFromCaptionStyleV19(captionStyle);
      }
    }
  
    /**
     * @param foregroundColor See {@link #foregroundColor}.
     * @param backgroundColor See {@link #backgroundColor}.
     * @param windowColor See {@link #windowColor}.
     * @param edgeType See {@link #edgeType}.
     * @param edgeColor See {@link #edgeColor}.
     * @param typeface See {@link #typeface}.
     */
    public CaptionStyleCompat(int foregroundColor, int backgroundColor, int windowColor,
        @EdgeType int edgeType, int edgeColor, Typeface typeface) {
      this.foregroundColor = foregroundColor;
      this.backgroundColor = backgroundColor;
      this.windowColor = windowColor;
      this.edgeType = edgeType;
      this.edgeColor = edgeColor;
      this.typeface = typeface;
    }
  
    @TargetApi(19)
    @SuppressWarnings("ResourceType")
    private static CaptionStyleCompat createFromCaptionStyleV19(
        CaptioningManager.CaptionStyle captionStyle) {
      return new CaptionStyleCompat(
          captionStyle.foregroundColor, captionStyle.backgroundColor, Color.TRANSPARENT,
          captionStyle.edgeType, captionStyle.edgeColor, captionStyle.getTypeface());
    }
  
    @TargetApi(21)
    @SuppressWarnings("ResourceType")
    private static CaptionStyleCompat createFromCaptionStyleV21(
        CaptioningManager.CaptionStyle captionStyle) {
      return new CaptionStyleCompat(
          captionStyle.hasForegroundColor() ? captionStyle.foregroundColor : DEFAULT.foregroundColor,
          captionStyle.hasBackgroundColor() ? captionStyle.backgroundColor : DEFAULT.backgroundColor,
          captionStyle.hasWindowColor() ? captionStyle.windowColor : DEFAULT.windowColor,
          captionStyle.hasEdgeType() ? captionStyle.edgeType : DEFAULT.edgeType,
          captionStyle.hasEdgeColor() ? captionStyle.edgeColor : DEFAULT.edgeColor,
          captionStyle.getTypeface());
    }
  
  }
  