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/*
* Copyright (C) 2013 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.inputmethod.keyboard.internal;
import android.content.res.TypedArray;
import com.android.inputmethod.latin.R;
/**
* This class holds parameters to control how a gesture trail is drawn and animated on the screen.
*
* On the other hand, {@link GestureStrokeDrawingParams} class controls how each gesture stroke is
* sampled and interpolated. This class controls how those gesture strokes are displayed as a
* gesture trail and animated on the screen.
*
* @attr ref R.styleable#MainKeyboardView_gestureTrailFadeoutStartDelay
* @attr ref R.styleable#MainKeyboardView_gestureTrailFadeoutDuration
* @attr ref R.styleable#MainKeyboardView_gestureTrailUpdateInterval
* @attr ref R.styleable#MainKeyboardView_gestureTrailColor
* @attr ref R.styleable#MainKeyboardView_gestureTrailWidth
*/
final class GestureTrailDrawingParams {
private static final int FADEOUT_START_DELAY_FOR_DEBUG = 2000; // millisecond
private static final int FADEOUT_DURATION_FOR_DEBUG = 200; // millisecond
public final int mTrailColor;
public final float mTrailStartWidth;
public final float mTrailEndWidth;
public final float mTrailBodyRatio;
public boolean mTrailShadowEnabled;
public final float mTrailShadowRatio;
public final int mFadeoutStartDelay;
public final int mFadeoutDuration;
public final int mUpdateInterval;
public final int mTrailLingerDuration;
public GestureTrailDrawingParams(final TypedArray mainKeyboardViewAttr) {
mTrailColor = mainKeyboardViewAttr.getColor(
R.styleable.MainKeyboardView_gestureTrailColor, 0);
mTrailStartWidth = mainKeyboardViewAttr.getDimension(
R.styleable.MainKeyboardView_gestureTrailStartWidth, 0.0f);
mTrailEndWidth = mainKeyboardViewAttr.getDimension(
R.styleable.MainKeyboardView_gestureTrailEndWidth, 0.0f);
final int PERCENTAGE_INT = 100;
mTrailBodyRatio = (float)mainKeyboardViewAttr.getInt(
R.styleable.MainKeyboardView_gestureTrailBodyRatio, PERCENTAGE_INT)
/ (float)PERCENTAGE_INT;
final int trailShadowRatioInt = mainKeyboardViewAttr.getInt(
R.styleable.MainKeyboardView_gestureTrailShadowRatio, 0);
mTrailShadowEnabled = (trailShadowRatioInt > 0);
mTrailShadowRatio = (float)trailShadowRatioInt / (float)PERCENTAGE_INT;
mFadeoutStartDelay = GestureTrailDrawingPoints.DEBUG_SHOW_POINTS
? FADEOUT_START_DELAY_FOR_DEBUG
: mainKeyboardViewAttr.getInt(
R.styleable.MainKeyboardView_gestureTrailFadeoutStartDelay, 0);
mFadeoutDuration = GestureTrailDrawingPoints.DEBUG_SHOW_POINTS
? FADEOUT_DURATION_FOR_DEBUG
: mainKeyboardViewAttr.getInt(
R.styleable.MainKeyboardView_gestureTrailFadeoutDuration, 0);
mTrailLingerDuration = mFadeoutStartDelay + mFadeoutDuration;
mUpdateInterval = mainKeyboardViewAttr.getInt(
R.styleable.MainKeyboardView_gestureTrailUpdateInterval, 0);
}
}
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