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/*
* 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.
*/
package com.google.android.apps.dashclock.ui;
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import com.aokp.romcontrol.R;
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 = 3;
private int mGravity = Gravity.START;
private int mColor = 0x33333333;
private Paint mRidgePaint;
private float mRidgeSize;
private 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 Resources res = getResources();
mRidgeSize = res.getDimensionPixelSize(R.dimen.drag_grip_ridge_size);
mRidgeGap = res.getDimensionPixelSize(R.dimen.drag_grip_ridge_gap);
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;
switch (Gravity.getAbsoluteGravity(mGravity, getLayoutDirection())
& Gravity.HORIZONTAL_GRAVITY_MASK) {
case Gravity.CENTER_HORIZONTAL:
drawLeft = getPaddingLeft()
+ ((mWidth - getPaddingLeft() - getPaddingRight()) - drawWidth) / 2;
break;
case Gravity.RIGHT:
drawLeft = getWidth() - getPaddingRight() - drawWidth;
break;
default:
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++) {
canvas.drawRect(
drawLeft + x * (mRidgeSize + mRidgeGap),
drawTop + y * (mRidgeSize + mRidgeGap),
drawLeft + x * (mRidgeSize + mRidgeGap) + mRidgeSize,
drawTop + y * (mRidgeSize + mRidgeGap) + mRidgeSize,
mRidgePaint);
}
}
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
mHeight = h;
mWidth = w;
}
}
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