@Override
    public void run() {

      /**
       * Only set mStartTime if this is the first time we're starting, else actually calculate the Y
       * delta
       */
      if (mStartTime == -1) {
        mStartTime = System.currentTimeMillis();
      } else {

        /**
         * We do do all calculations in long to reduce software float calculations. We use 1000 as
         * it gives us good accuracy and small rounding errors
         */
        long normalizedTime = (1000 * (System.currentTimeMillis() - mStartTime)) / mDuration;
        normalizedTime = Math.max(Math.min(normalizedTime, 1000), 0);

        final int deltaY =
            Math.round(
                (mScrollFromY - mScrollToY)
                    * mInterpolator.getInterpolation(normalizedTime / 1000f));
        mCurrentY = mScrollFromY - deltaY;
        setHeaderScroll(mCurrentY);
      }

      // If we're not at the target Y, keep going...
      if (mContinueRunning && mScrollToY != mCurrentY) {
        ViewCompat.postOnAnimation(PullToRefreshBase.this, this);
      } else {
        if (null != mListener) {
          mListener.onSmoothScrollFinished();
        }
      }
    }
Beispiel #2
0
 public void draw(Canvas canvas) {
   int i = 1;
   copyBounds(mTmpRect);
   canvas.save();
   float f;
   float f1;
   float f2;
   boolean flag;
   int j;
   if (ViewCompat.getLayoutDirection(mActivity.getWindow().getDecorView()) == 1) {
     flag = true;
   } else {
     flag = false;
   }
   if (flag) {
     i = -1;
   }
   j = mTmpRect.width();
   f = -mOffset;
   f1 = j;
   f2 = mPosition;
   canvas.translate((float) i * (f * f1 * f2), 0.0F);
   if (flag && !mHasMirroring) {
     canvas.translate(j, 0.0F);
     canvas.scale(-1F, 1.0F);
   }
   super.draw(canvas);
   canvas.restore();
 }
Beispiel #3
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  private static boolean isHittable(View view) {
    if (view.getVisibility() != View.VISIBLE) {
      return false;
    }

    if (ViewCompat.getInstance().getAlpha(view) < 0.001f) {
      return false;
    }

    return true;
  }
  /**
   * Helper method which just calls scrollTo() in the correct scrolling direction.
   *
   * @param value - New Scroll value
   */
  @SuppressLint("InlinedApi")
  protected final void setHeaderScroll(int value) {
    if (DEBUG) {
      Log.d(LOG_TAG, "setHeaderScroll: " + value);
    }

    // Clamp value to with pull scroll range
    final int maximumPullScroll = getMaximumPullScroll();
    value = Math.min(maximumPullScroll, Math.max(-maximumPullScroll, value));

    if (mLayoutVisibilityChangesEnabled) {
      if (value < 0) {
        mHeaderLayout.setVisibility(View.VISIBLE);
      } else if (value > 0) {
        mFooterLayout.setVisibility(View.VISIBLE);
      } else {
        mHeaderLayout.setVisibility(View.INVISIBLE);
        mFooterLayout.setVisibility(View.INVISIBLE);
      }
    }

    if (USE_HW_LAYERS) {
      /**
       * Use a Hardware Layer on the Refreshable View if we've scrolled at all. We don't use them on
       * the Header/Footer Views as they change often, which would negate any HW layer performance
       * boost.
       */
      ViewCompat.setLayerType(
          mRefreshableViewWrapper, value != 0 ? View.LAYER_TYPE_HARDWARE : View.LAYER_TYPE_NONE);
    }

    switch (getPullToRefreshScrollDirection()) {
      case VERTICAL:
        scrollTo(0, value);
        break;
      case HORIZONTAL:
        scrollTo(value, 0);
        break;
    }
  }
Beispiel #5
0
  public LoadingLayout(
      Context context, final Mode mode, final Orientation scrollDirection, TypedArray attrs) {
    super(context);
    mMode = mode;
    mScrollDirection = scrollDirection;

    switch (scrollDirection) {
      case HORIZONTAL:
        LayoutInflater.from(context).inflate(R.layout.pull_to_refresh_header_horizontal, this);
        break;
      case VERTICAL:
      default:
        LayoutInflater.from(context).inflate(R.layout.pull_to_refresh_header_vertical, this);
        break;
    }

    mInnerLayout = (FrameLayout) findViewById(R.id.fl_inner);
    mHeaderText = (TextView) mInnerLayout.findViewById(R.id.pull_to_refresh_text);
    mHeaderProgress = (ProgressBar) mInnerLayout.findViewById(R.id.pull_to_refresh_progress);
    mSubHeaderText = (TextView) mInnerLayout.findViewById(R.id.pull_to_refresh_sub_text);
    mHeaderImage = (ImageView) mInnerLayout.findViewById(R.id.pull_to_refresh_image);

    FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) mInnerLayout.getLayoutParams();

    switch (mode) {
      case PULL_FROM_END:
        lp.gravity = scrollDirection == Orientation.VERTICAL ? Gravity.TOP : Gravity.LEFT;

        // Load in labels
        mPullLabel = context.getString(R.string.pull_to_refresh_from_bottom_pull_label);
        mRefreshingLabel = context.getString(R.string.pull_to_refresh_from_bottom_refreshing_label);
        mReleaseLabel = context.getString(R.string.pull_to_refresh_from_bottom_release_label);
        break;

      case PULL_FROM_START:
      default:
        lp.gravity = scrollDirection == Orientation.VERTICAL ? Gravity.BOTTOM : Gravity.RIGHT;

        // Load in labels
        mPullLabel = context.getString(R.string.pull_to_refresh_pull_label);
        mRefreshingLabel = context.getString(R.string.pull_to_refresh_refreshing_label);
        mReleaseLabel = context.getString(R.string.pull_to_refresh_release_label);
        break;
    }

    if (attrs.hasValue(R.styleable.PullToRefresh_ptrHeaderBackground)) {
      Drawable background = attrs.getDrawable(R.styleable.PullToRefresh_ptrHeaderBackground);
      if (null != background) {
        ViewCompat.setBackground(this, background);
      }
    }

    if (attrs.hasValue(R.styleable.PullToRefresh_ptrHeaderTextAppearance)) {
      TypedValue styleID = new TypedValue();
      attrs.getValue(R.styleable.PullToRefresh_ptrHeaderTextAppearance, styleID);
      setTextAppearance(styleID.data);
    }
    if (attrs.hasValue(R.styleable.PullToRefresh_ptrSubHeaderTextAppearance)) {
      TypedValue styleID = new TypedValue();
      attrs.getValue(R.styleable.PullToRefresh_ptrSubHeaderTextAppearance, styleID);
      setSubTextAppearance(styleID.data);
    }

    // Text Color attrs need to be set after TextAppearance attrs
    if (attrs.hasValue(R.styleable.PullToRefresh_ptrHeaderTextColor)) {
      ColorStateList colors = attrs.getColorStateList(R.styleable.PullToRefresh_ptrHeaderTextColor);
      if (null != colors) {
        setTextColor(colors);
      }
    }
    if (attrs.hasValue(R.styleable.PullToRefresh_ptrHeaderSubTextColor)) {
      ColorStateList colors =
          attrs.getColorStateList(R.styleable.PullToRefresh_ptrHeaderSubTextColor);
      if (null != colors) {
        setSubTextColor(colors);
      }
    }

    // Try and get defined drawable from Attrs
    Drawable imageDrawable = null;
    if (attrs.hasValue(R.styleable.PullToRefresh_ptrDrawable)) {
      imageDrawable = attrs.getDrawable(R.styleable.PullToRefresh_ptrDrawable);
    }

    // Check Specific Drawable from Attrs, these overrite the generic
    // drawable attr above
    switch (mode) {
      case PULL_FROM_START:
      default:
        if (attrs.hasValue(R.styleable.PullToRefresh_ptrDrawableStart)) {
          imageDrawable = attrs.getDrawable(R.styleable.PullToRefresh_ptrDrawableStart);
        } else if (attrs.hasValue(R.styleable.PullToRefresh_ptrDrawableTop)) {
          Utils.warnDeprecation("ptrDrawableTop", "ptrDrawableStart");
          imageDrawable = attrs.getDrawable(R.styleable.PullToRefresh_ptrDrawableTop);
        }
        break;

      case PULL_FROM_END:
        if (attrs.hasValue(R.styleable.PullToRefresh_ptrDrawableEnd)) {
          imageDrawable = attrs.getDrawable(R.styleable.PullToRefresh_ptrDrawableEnd);
        } else if (attrs.hasValue(R.styleable.PullToRefresh_ptrDrawableBottom)) {
          Utils.warnDeprecation("ptrDrawableBottom", "ptrDrawableEnd");
          imageDrawable = attrs.getDrawable(R.styleable.PullToRefresh_ptrDrawableBottom);
        }
        break;
    }

    // If we don't have a user defined drawable, load the default
    if (null == imageDrawable) {
      imageDrawable = context.getResources().getDrawable(getDefaultDrawableResId());
    }

    // Set Drawable, and save width/height
    setLoadingDrawable(imageDrawable);

    reset();
  }