content: /*
   * Copyright (C) 2012 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.amnesica.kryptey.inputmethod.keyboard.internal;
  
  import android.graphics.Typeface;
  
  import com.amnesica.kryptey.inputmethod.latin.utils.ResourceUtils;
  
  public final class KeyDrawParams {
    public Typeface mTypeface = Typeface.DEFAULT;
  
    public int mLetterSize;
    public int mLabelSize;
    public int mLargeLetterSize;
    public int mHintLetterSize;
    public int mShiftedLetterHintSize;
    public int mHintLabelSize;
    public int mPreviewTextSize;
  
    public int mTextColor;
    public int mTextInactivatedColor;
    public int mTextShadowColor;
    public int mFunctionalTextColor;
    public int mHintLetterColor;
    public int mHintLabelColor;
    public int mShiftedLetterHintInactivatedColor;
    public int mShiftedLetterHintActivatedColor;
    public int mPreviewTextColor;
  
    public float mHintLabelVerticalAdjustment;
    public float mLabelOffCenterRatio;
    public float mHintLabelOffCenterRatio;
  
    public int mAnimAlpha;
  
    public KeyDrawParams() {
    }
  
    private KeyDrawParams(final KeyDrawParams copyFrom) {
      mTypeface = copyFrom.mTypeface;
  
      mLetterSize = copyFrom.mLetterSize;
      mLabelSize = copyFrom.mLabelSize;
      mLargeLetterSize = copyFrom.mLargeLetterSize;
      mHintLetterSize = copyFrom.mHintLetterSize;
      mShiftedLetterHintSize = copyFrom.mShiftedLetterHintSize;
      mHintLabelSize = copyFrom.mHintLabelSize;
      mPreviewTextSize = copyFrom.mPreviewTextSize;
  
      mTextColor = copyFrom.mTextColor;
      mTextInactivatedColor = copyFrom.mTextInactivatedColor;
      mTextShadowColor = copyFrom.mTextShadowColor;
      mFunctionalTextColor = copyFrom.mFunctionalTextColor;
      mHintLetterColor = copyFrom.mHintLetterColor;
      mHintLabelColor = copyFrom.mHintLabelColor;
      mShiftedLetterHintInactivatedColor = copyFrom.mShiftedLetterHintInactivatedColor;
      mShiftedLetterHintActivatedColor = copyFrom.mShiftedLetterHintActivatedColor;
      mPreviewTextColor = copyFrom.mPreviewTextColor;
  
      mHintLabelVerticalAdjustment = copyFrom.mHintLabelVerticalAdjustment;
      mLabelOffCenterRatio = copyFrom.mLabelOffCenterRatio;
      mHintLabelOffCenterRatio = copyFrom.mHintLabelOffCenterRatio;
  
      mAnimAlpha = copyFrom.mAnimAlpha;
    }
  
    public void updateParams(final int keyHeight, final KeyVisualAttributes attr) {
      if (attr == null) {
        return;
      }
  
      if (attr.mTypeface != null) {
        mTypeface = attr.mTypeface;
      }
  
      mLetterSize = selectTextSizeFromDimensionOrRatio(keyHeight,
          attr.mLetterSize, attr.mLetterRatio, mLetterSize);
      mLabelSize = selectTextSizeFromDimensionOrRatio(keyHeight,
          attr.mLabelSize, attr.mLabelRatio, mLabelSize);
      mLargeLetterSize = selectTextSize(keyHeight, attr.mLargeLetterRatio, mLargeLetterSize);
      mHintLetterSize = selectTextSize(keyHeight, attr.mHintLetterRatio, mHintLetterSize);
      mShiftedLetterHintSize = selectTextSize(keyHeight,
          attr.mShiftedLetterHintRatio, mShiftedLetterHintSize);
      mHintLabelSize = selectTextSize(keyHeight, attr.mHintLabelRatio, mHintLabelSize);
      mPreviewTextSize = selectTextSize(keyHeight, attr.mPreviewTextRatio, mPreviewTextSize);
  
      mTextColor = selectColor(attr.mTextColor, mTextColor);
      mTextInactivatedColor = selectColor(attr.mTextInactivatedColor, mTextInactivatedColor);
      mTextShadowColor = selectColor(attr.mTextShadowColor, mTextShadowColor);
      mFunctionalTextColor = selectColor(attr.mFunctionalTextColor, mFunctionalTextColor);
      mHintLetterColor = selectColor(attr.mHintLetterColor, mHintLetterColor);
      mHintLabelColor = selectColor(attr.mHintLabelColor, mHintLabelColor);
      mShiftedLetterHintInactivatedColor = selectColor(
          attr.mShiftedLetterHintInactivatedColor, mShiftedLetterHintInactivatedColor);
      mShiftedLetterHintActivatedColor = selectColor(
          attr.mShiftedLetterHintActivatedColor, mShiftedLetterHintActivatedColor);
      mPreviewTextColor = selectColor(attr.mPreviewTextColor, mPreviewTextColor);
  
      mHintLabelVerticalAdjustment = selectFloatIfNonZero(
          attr.mHintLabelVerticalAdjustment, mHintLabelVerticalAdjustment);
      mLabelOffCenterRatio = selectFloatIfNonZero(
          attr.mLabelOffCenterRatio, mLabelOffCenterRatio);
      mHintLabelOffCenterRatio = selectFloatIfNonZero(
          attr.mHintLabelOffCenterRatio, mHintLabelOffCenterRatio);
    }
  
    public KeyDrawParams mayCloneAndUpdateParams(final int keyHeight,
                                                 final KeyVisualAttributes attr) {
      if (attr == null) {
        return this;
      }
      final KeyDrawParams newParams = new KeyDrawParams(this);
      newParams.updateParams(keyHeight, attr);
      return newParams;
    }
  
    private static int selectTextSizeFromDimensionOrRatio(final int keyHeight,
                                                          final int dimens, final float ratio, final int defaultDimens) {
      if (ResourceUtils.isValidDimensionPixelSize(dimens)) {
        return dimens;
      }
      if (ResourceUtils.isValidFraction(ratio)) {
        return (int) (keyHeight * ratio);
      }
      return defaultDimens;
    }
  
    private static int selectTextSize(final int keyHeight, final float ratio,
                                      final int defaultSize) {
      if (ResourceUtils.isValidFraction(ratio)) {
        return (int) (keyHeight * ratio);
      }
      return defaultSize;
    }
  
    private static int selectColor(final int attrColor, final int defaultColor) {
      if (attrColor != 0) {
        return attrColor;
      }
      return defaultColor;
    }
  
    private static float selectFloatIfNonZero(final float attrFloat, final float defaultFloat) {
      if (attrFloat != 0) {
        return attrFloat;
      }
      return defaultFloat;
    }
  }
  