/*
* Исходная версия - DashClock
* https://code.google.com/p/dashclock/source/browse/main/src/main/java/com/google/android/apps/dashclock/ui/DragGripView.java
* Данный класс взят из проекта Clover
* https://github.com/Floens/Clover/blob/dev/Clover/app/src/main/java/org/floens/chan/ui/view/DragGripView.java
*
*/
package nya.miku.wishmaster.lib;
/*
* Copyright 2013 Google Inc.
*
* 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.
*/
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.View;
public class DragGripView extends View {
private static final int[] ATTRS = new int[]{
android.R.attr.gravity,
android.R.attr.color,
};
private static final int HORIZ_RIDGES = 2;
@SuppressLint("InlinedApi")
private int mGravity = Gravity.START;
private int mColor = 0xff666666;
private final Paint mRidgePaint;
private final RectF mTempRectF = new RectF();
private final float mRidgeSize;
private final float mRidgeGap;
// private int mWidth;
private int mHeight;
public DragGripView(Context context) {
this(context, null, 0);
}
public DragGripView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public DragGripView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
final TypedArray a = context.obtainStyledAttributes(attrs, ATTRS);
mGravity = a.getInteger(0, mGravity);
mColor = a.getColor(1, mColor);
a.recycle();
final DisplayMetrics res = getResources().getDisplayMetrics();
mRidgeSize = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 4, res);
mRidgeGap = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 2, res);
mRidgePaint = new Paint();
mRidgePaint.setColor(mColor);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
setMeasuredDimension(
View.resolveSize(
(int) (HORIZ_RIDGES * (mRidgeSize + mRidgeGap) - mRidgeGap)
+ getPaddingLeft() + getPaddingRight(),
widthMeasureSpec
),
View.resolveSize(
(int) mRidgeSize,
heightMeasureSpec)
);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
// float drawWidth = HORIZ_RIDGES * (mRidgeSize + mRidgeGap) - mRidgeGap;
float drawLeft = getPaddingLeft();
int vertRidges = (int) ((mHeight - getPaddingTop() - getPaddingBottom() + mRidgeGap)
/ (mRidgeSize + mRidgeGap));
float drawHeight = vertRidges * (mRidgeSize + mRidgeGap) - mRidgeGap;
float drawTop = getPaddingTop()
+ ((mHeight - getPaddingTop() - getPaddingBottom()) - drawHeight) / 2;
for (int y = 0; y < vertRidges; y++) {
for (int x = 0; x < HORIZ_RIDGES; x++) {
mTempRectF.set(
drawLeft + x * (mRidgeSize + mRidgeGap),
drawTop + y * (mRidgeSize + mRidgeGap),
drawLeft + x * (mRidgeSize + mRidgeGap) + mRidgeSize,
drawTop + y * (mRidgeSize + mRidgeGap) + mRidgeSize);
canvas.drawOval(mTempRectF, mRidgePaint);
}
}
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
mHeight = h;
// mWidth = w;
}
}