package com.app.hubert.guide.model;
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import android.graphics.RectF;
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import androidx.annotation.IntDef;
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import androidx.annotation.LayoutRes;
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import android.view.Gravity;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.FrameLayout;
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import com.app.hubert.guide.core.Controller;
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import com.app.hubert.guide.util.LogUtil;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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/**
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* Created by hubert on 2018/6/28.
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*/
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public class RelativeGuide {
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@IntDef({android.view.Gravity.LEFT, android.view.Gravity.TOP,
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android.view.Gravity.RIGHT, android.view.Gravity.BOTTOM})
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@Retention(RetentionPolicy.SOURCE)
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@interface LimitGravity {
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}
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public static class MarginInfo {
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public int leftMargin;
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public int topMargin;
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public int rightMargin;
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public int bottomMargin;
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public int gravity;
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@Override
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public String toString() {
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return "MarginInfo{" +
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"leftMargin=" + leftMargin +
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", topMargin=" + topMargin +
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", rightMargin=" + rightMargin +
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", bottomMargin=" + bottomMargin +
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", gravity=" + gravity +
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'}';
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}
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}
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public HighLight highLight;
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@LayoutRes
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public int layout;
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public int padding;
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public int gravity;
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public RelativeGuide(@LayoutRes int layout, @LimitGravity int gravity) {
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this.layout = layout;
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this.gravity = gravity;
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}
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/**
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* @param layout 相对位置引导布局
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* @param gravity 仅限left top right bottom
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* @param padding 与高亮view的padding，单位px
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*/
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public RelativeGuide(@LayoutRes int layout, @LimitGravity int gravity, int padding) {
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this.layout = layout;
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this.gravity = gravity;
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this.padding = padding;
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}
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public final View getGuideLayout(ViewGroup viewGroup, Controller controller) {
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View view = LayoutInflater.from(viewGroup.getContext()).inflate(layout, viewGroup, false);
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onLayoutInflated(view);
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onLayoutInflated(view, controller);
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FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) view.getLayoutParams();
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MarginInfo marginInfo = getMarginInfo(gravity, viewGroup, view);
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LogUtil.e(marginInfo.toString());
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offsetMargin(marginInfo, viewGroup, view);
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layoutParams.gravity = marginInfo.gravity;
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layoutParams.leftMargin += marginInfo.leftMargin;
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layoutParams.topMargin += marginInfo.topMargin;
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layoutParams.rightMargin += marginInfo.rightMargin;
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layoutParams.bottomMargin += marginInfo.bottomMargin;
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view.setLayoutParams(layoutParams);
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return view;
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}
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private MarginInfo getMarginInfo(@LimitGravity int gravity, ViewGroup viewGroup, View view) {
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MarginInfo marginInfo = new MarginInfo();
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RectF rectF = highLight.getRectF(viewGroup);
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switch (gravity) {
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case Gravity.LEFT:
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marginInfo.gravity = Gravity.RIGHT;
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marginInfo.rightMargin = (int) (viewGroup.getWidth() - rectF.left + padding);
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marginInfo.topMargin = (int) rectF.top;
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break;
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case Gravity.TOP:
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marginInfo.gravity = Gravity.BOTTOM;
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marginInfo.bottomMargin = (int) (viewGroup.getHeight() - rectF.top + padding);
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marginInfo.leftMargin = (int) rectF.left;
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break;
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case Gravity.RIGHT:
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marginInfo.leftMargin = (int) (rectF.right + padding);
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marginInfo.topMargin = (int) rectF.top;
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break;
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case Gravity.BOTTOM:
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marginInfo.topMargin = (int) (rectF.bottom + padding);
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marginInfo.leftMargin = (int) rectF.left;
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break;
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}
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return marginInfo;
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}
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protected void offsetMargin(MarginInfo marginInfo, ViewGroup viewGroup, View view) {
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//do nothing
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}
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/**
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* 复写初始化布局
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*
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* @param view inflated from layout
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* @see RelativeGuide#onLayoutInflated(View view, Controller controller)
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*/
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@Deprecated
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protected void onLayoutInflated(View view) {
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//do nothing
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}
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/**
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* 复写初始化布局
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*
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* @param view inflated from layout
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* @param controller controller
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*/
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protected void onLayoutInflated(View view, Controller controller) {
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//do nothing
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}
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}
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