108 lines
3.1 KiB
Java
108 lines
3.1 KiB
Java
/*
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* Copyright (C) 2015 Hippo Seven
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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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* 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.hippo.widget;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.Rect;
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import android.support.annotation.NonNull;
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import android.util.AttributeSet;
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import android.widget.FrameLayout;
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public class DrawerFrameLayout extends FrameLayout {
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private static final int[] MAX_ATTRS = {android.R.attr.maxWidth};
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private int mMaxWidth = -1;
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private OnGetPaddingListener mOnGetPaddingListener;
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private int mFitPaddingLeft = -1;
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private int mFitPaddingTop = -1;
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private int mFitPaddingRight = -1;
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private int mFitPaddingBottom = -1;
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public DrawerFrameLayout(Context context, AttributeSet attrs) {
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super(context, attrs);
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init(context, attrs);
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}
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public DrawerFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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init(context, attrs);
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}
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private void init(Context context, AttributeSet attrs) {
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final TypedArray a = context.obtainStyledAttributes(attrs, MAX_ATTRS);
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mMaxWidth = a.getDimensionPixelSize(0, -1);
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a.recycle();
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec);
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if (mMaxWidth > 0) {
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widthSpecSize = Math.min(mMaxWidth, widthSpecSize);
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widthMeasureSpec = MeasureSpec.makeMeasureSpec(widthSpecSize,
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MeasureSpec.EXACTLY);
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}
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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}
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@SuppressWarnings("deprecation")
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@Override
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protected boolean fitSystemWindows(@NonNull Rect insets) {
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mFitPaddingLeft = insets.left;
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mFitPaddingTop = insets.top;
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mFitPaddingRight = insets.right;
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mFitPaddingBottom = insets.bottom;
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if (mOnGetPaddingListener != null) {
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mOnGetPaddingListener.onGetPadding(mFitPaddingLeft, mFitPaddingTop,
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mFitPaddingRight, mFitPaddingBottom);
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}
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insets.set(0, 0, 0, 0);
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return super.fitSystemWindows(insets);
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}
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public void setOnGetPaddingListener(OnGetPaddingListener listener) {
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mOnGetPaddingListener = listener;
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}
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public int getFitPaddingLeft() {
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return mFitPaddingLeft;
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}
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public int getFitPaddingTop() {
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return mFitPaddingTop;
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}
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public int getFitPaddingRight() {
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return mFitPaddingRight;
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}
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public int getFitPaddingBottom() {
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return mFitPaddingBottom;
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}
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public interface OnGetPaddingListener {
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public void onGetPadding(int l, int t, int r, int b);
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}
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}
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