80 lines
3.6 KiB
Java
80 lines
3.6 KiB
Java
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.keyboard.internal;
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import android.content.res.TypedArray;
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import com.android.inputmethod.latin.R;
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/**
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* This class holds parameters to control how a gesture trail is drawn and animated on the screen.
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*
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* On the other hand, {@link GestureStrokeDrawingParams} class controls how each gesture stroke is
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* sampled and interpolated. This class controls how those gesture strokes are displayed as a
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* gesture trail and animated on the screen.
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*
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* @attr ref R.styleable#MainKeyboardView_gestureTrailFadeoutStartDelay
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* @attr ref R.styleable#MainKeyboardView_gestureTrailFadeoutDuration
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* @attr ref R.styleable#MainKeyboardView_gestureTrailUpdateInterval
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* @attr ref R.styleable#MainKeyboardView_gestureTrailColor
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* @attr ref R.styleable#MainKeyboardView_gestureTrailWidth
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*/
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final class GestureTrailDrawingParams {
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private static final int FADEOUT_START_DELAY_FOR_DEBUG = 2000; // millisecond
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private static final int FADEOUT_DURATION_FOR_DEBUG = 200; // millisecond
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public final int mTrailColor;
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public final float mTrailStartWidth;
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public final float mTrailEndWidth;
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public final float mTrailBodyRatio;
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public boolean mTrailShadowEnabled;
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public final float mTrailShadowRatio;
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public final int mFadeoutStartDelay;
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public final int mFadeoutDuration;
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public final int mUpdateInterval;
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public final int mTrailLingerDuration;
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public GestureTrailDrawingParams(final TypedArray mainKeyboardViewAttr) {
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mTrailColor = mainKeyboardViewAttr.getColor(
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R.styleable.MainKeyboardView_gestureTrailColor, 0);
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mTrailStartWidth = mainKeyboardViewAttr.getDimension(
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R.styleable.MainKeyboardView_gestureTrailStartWidth, 0.0f);
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mTrailEndWidth = mainKeyboardViewAttr.getDimension(
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R.styleable.MainKeyboardView_gestureTrailEndWidth, 0.0f);
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final int PERCENTAGE_INT = 100;
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mTrailBodyRatio = (float)mainKeyboardViewAttr.getInt(
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R.styleable.MainKeyboardView_gestureTrailBodyRatio, PERCENTAGE_INT)
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/ (float)PERCENTAGE_INT;
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final int trailShadowRatioInt = mainKeyboardViewAttr.getInt(
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R.styleable.MainKeyboardView_gestureTrailShadowRatio, 0);
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mTrailShadowEnabled = (trailShadowRatioInt > 0);
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mTrailShadowRatio = (float)trailShadowRatioInt / (float)PERCENTAGE_INT;
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mFadeoutStartDelay = GestureTrailDrawingPoints.DEBUG_SHOW_POINTS
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? FADEOUT_START_DELAY_FOR_DEBUG
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: mainKeyboardViewAttr.getInt(
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R.styleable.MainKeyboardView_gestureTrailFadeoutStartDelay, 0);
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mFadeoutDuration = GestureTrailDrawingPoints.DEBUG_SHOW_POINTS
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? FADEOUT_DURATION_FOR_DEBUG
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: mainKeyboardViewAttr.getInt(
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R.styleable.MainKeyboardView_gestureTrailFadeoutDuration, 0);
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mTrailLingerDuration = mFadeoutStartDelay + mFadeoutDuration;
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mUpdateInterval = mainKeyboardViewAttr.getInt(
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R.styleable.MainKeyboardView_gestureTrailUpdateInterval, 0);
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}
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}
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