public static GenericDraweeHierarchyBuilder updateBuilder()

in drawee/src/main/java/com/facebook/drawee/generic/GenericDraweeHierarchyInflater.java [98:246]


  public static GenericDraweeHierarchyBuilder updateBuilder(
      GenericDraweeHierarchyBuilder builder, Context context, @Nullable AttributeSet attrs) {
    // these paramters cannot be applied immediately so we store them first
    int progressBarAutoRotateInterval = 0;
    int roundedCornerRadius = 0;
    boolean roundTopLeft = true;
    boolean roundTopRight = true;
    boolean roundBottomLeft = true;
    boolean roundBottomRight = true;
    boolean roundTopStart = true;
    boolean roundTopEnd = true;
    boolean roundBottomStart = true;
    boolean roundBottomEnd = true;

    if (attrs != null) {
      TypedArray gdhAttrs =
          context.obtainStyledAttributes(attrs, R.styleable.GenericDraweeHierarchy);
      try {
        final int indexCount = gdhAttrs.getIndexCount();
        for (int i = 0; i < indexCount; i++) {
          final int attr = gdhAttrs.getIndex(i);
          // most popular ones first
          if (attr == R.styleable.GenericDraweeHierarchy_actualImageScaleType) {
            builder.setActualImageScaleType(getScaleTypeFromXml(gdhAttrs, attr));

          } else if (attr == R.styleable.GenericDraweeHierarchy_placeholderImage) {
            builder.setPlaceholderImage(getDrawable(context, gdhAttrs, attr));

          } else if (attr == R.styleable.GenericDraweeHierarchy_pressedStateOverlayImage) {
            builder.setPressedStateOverlay(getDrawable(context, gdhAttrs, attr));

          } else if (attr == R.styleable.GenericDraweeHierarchy_progressBarImage) {
            builder.setProgressBarImage(getDrawable(context, gdhAttrs, attr));

            // the remaining ones without any particular order
          } else if (attr == R.styleable.GenericDraweeHierarchy_fadeDuration) {
            builder.setFadeDuration(gdhAttrs.getInt(attr, 0));

          } else if (attr == R.styleable.GenericDraweeHierarchy_viewAspectRatio) {
            builder.setDesiredAspectRatio(gdhAttrs.getFloat(attr, 0));

          } else if (attr == R.styleable.GenericDraweeHierarchy_placeholderImageScaleType) {
            builder.setPlaceholderImageScaleType(getScaleTypeFromXml(gdhAttrs, attr));

          } else if (attr == R.styleable.GenericDraweeHierarchy_retryImage) {
            builder.setRetryImage(getDrawable(context, gdhAttrs, attr));

          } else if (attr == R.styleable.GenericDraweeHierarchy_retryImageScaleType) {
            builder.setRetryImageScaleType(getScaleTypeFromXml(gdhAttrs, attr));

          } else if (attr == R.styleable.GenericDraweeHierarchy_failureImage) {
            builder.setFailureImage(getDrawable(context, gdhAttrs, attr));

          } else if (attr == R.styleable.GenericDraweeHierarchy_failureImageScaleType) {
            builder.setFailureImageScaleType(getScaleTypeFromXml(gdhAttrs, attr));

          } else if (attr == R.styleable.GenericDraweeHierarchy_progressBarImageScaleType) {
            builder.setProgressBarImageScaleType(getScaleTypeFromXml(gdhAttrs, attr));

          } else if (attr == R.styleable.GenericDraweeHierarchy_progressBarAutoRotateInterval) {
            progressBarAutoRotateInterval =
                gdhAttrs.getInteger(attr, progressBarAutoRotateInterval);

          } else if (attr == R.styleable.GenericDraweeHierarchy_backgroundImage) {
            builder.setBackground(getDrawable(context, gdhAttrs, attr));

          } else if (attr == R.styleable.GenericDraweeHierarchy_overlayImage) {
            builder.setOverlay(getDrawable(context, gdhAttrs, attr));

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundAsCircle) {
            getRoundingParams(builder).setRoundAsCircle(gdhAttrs.getBoolean(attr, false));

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundedCornerRadius) {
            roundedCornerRadius = gdhAttrs.getDimensionPixelSize(attr, roundedCornerRadius);

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundTopLeft) {
            roundTopLeft = gdhAttrs.getBoolean(attr, roundTopLeft);

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundTopRight) {
            roundTopRight = gdhAttrs.getBoolean(attr, roundTopRight);

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundBottomLeft) {
            roundBottomLeft = gdhAttrs.getBoolean(attr, roundBottomLeft);

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundBottomRight) {
            roundBottomRight = gdhAttrs.getBoolean(attr, roundBottomRight);

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundTopStart) {
            roundTopStart = gdhAttrs.getBoolean(attr, roundTopStart);

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundTopEnd) {
            roundTopEnd = gdhAttrs.getBoolean(attr, roundTopEnd);

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundBottomStart) {
            roundBottomStart = gdhAttrs.getBoolean(attr, roundBottomStart);

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundBottomEnd) {
            roundBottomEnd = gdhAttrs.getBoolean(attr, roundBottomEnd);

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundWithOverlayColor) {
            getRoundingParams(builder).setOverlayColor(gdhAttrs.getColor(attr, 0));

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundingBorderWidth) {
            getRoundingParams(builder).setBorderWidth(gdhAttrs.getDimensionPixelSize(attr, 0));

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundingBorderColor) {
            getRoundingParams(builder).setBorderColor(gdhAttrs.getColor(attr, 0));

          } else if (attr == R.styleable.GenericDraweeHierarchy_roundingBorderPadding) {
            getRoundingParams(builder).setPadding(gdhAttrs.getDimensionPixelSize(attr, 0));
          }
        }
      } finally {
        gdhAttrs.recycle();

        if (android.os.Build.VERSION.SDK_INT >= 17
            && context.getResources().getConfiguration().getLayoutDirection()
                == View.LAYOUT_DIRECTION_RTL) {
          roundTopLeft = roundTopLeft && roundTopEnd;
          roundTopRight = roundTopRight && roundTopStart;
          roundBottomRight = roundBottomRight && roundBottomStart;
          roundBottomLeft = roundBottomLeft && roundBottomEnd;
        } else {
          roundTopLeft = roundTopLeft && roundTopStart;
          roundTopRight = roundTopRight && roundTopEnd;
          roundBottomRight = roundBottomRight && roundBottomEnd;
          roundBottomLeft = roundBottomLeft && roundBottomStart;
        }
      }
    }

    // wrap progress bar if auto-rotating requested
    if (builder.getProgressBarImage() != null && progressBarAutoRotateInterval > 0) {
      builder.setProgressBarImage(
          new AutoRotateDrawable(builder.getProgressBarImage(), progressBarAutoRotateInterval));
    }

    // set rounded corner radii if requested
    if (roundedCornerRadius > 0) {
      getRoundingParams(builder)
          .setCornersRadii(
              roundTopLeft ? roundedCornerRadius : 0,
              roundTopRight ? roundedCornerRadius : 0,
              roundBottomRight ? roundedCornerRadius : 0,
              roundBottomLeft ? roundedCornerRadius : 0);
    }

    return builder;
  }