[FIX]simplify the onclick in the top view curtain

Author: soulqw

app/src/main/java/com/qw/curtain/sample/SimpleGuideActivity.java

@@ -11,6 +11,7 @@
 
 import com.qw.curtain.lib.Curtain;
 import com.qw.curtain.lib.IGuide;
+import com.qw.curtain.lib.OnViewInTopClickListener;
 import com.qw.curtain.lib.Padding;
 import com.qw.curtain.lib.shape.RoundShape;
 
@@ -60,21 +61,10 @@ private void showInitGuide() {
                 .withPadding(findViewById(R.id.btn_shape_custom), Padding.all(10))
                 .setTopView(R.layout.view_guide_1)
 //                .setNoCurtainAnimation(true)
-                .setCallBack(new Curtain.CallBack() {
+                .addOnTopViewClickListener(R.id.tv_i_know, new OnViewInTopClickListener<IGuide>() {
                     @Override
-                    public void onShow(final IGuide iGuide) {
-                        iGuide.findViewByIdInTopView(R.id.tv_i_know)
-                                .setOnClickListener(new View.OnClickListener() {
-                                    @Override
-                                    public void onClick(View v) {
-                                        iGuide.dismissGuide();
-                                    }
-                                });
-                    }
-
-                    @Override
-                    public void onDismiss(IGuide iGuide) {
-                        showThirdGuide();
+                    public void onClick(View current, IGuide currentHost) {
+                        currentHost.dismissGuide();
                     }
                 }).show();
     }
@@ -84,21 +74,10 @@ private void showThirdGuide() {
         new Curtain(SimpleGuideActivity.this)
                 .with(findViewById(R.id.btn_open_left))
                 .setTopView(R.layout.view_guide_2)
-                .setCallBack(new Curtain.CallBack() {
+                .addOnTopViewClickListener(R.id.tv_i_know, new OnViewInTopClickListener<IGuide>() {
                     @Override
-                    public void onShow(final IGuide iGuide) {
-                        iGuide.findViewByIdInTopView(R.id.tv_i_know)
-                                .setOnClickListener(new View.OnClickListener() {
-                                    @Override
-                                    public void onClick(View v) {
-                                        iGuide.dismissGuide();
-                                    }
-                                });
-                    }
-
-                    @Override
-                    public void onDismiss(IGuide iGuide) {
-
+                    public void onClick(View current, IGuide currentHost) {
+                        currentHost.dismissGuide();
                     }
                 }).show();
     }

curtain/src/main/java/com/qw/curtain/lib/Curtain.java

@@ -6,6 +6,7 @@
 import android.view.View;
 
 import androidx.annotation.ColorRes;
+import androidx.annotation.IdRes;
 import androidx.annotation.LayoutRes;
 import androidx.annotation.MainThread;
 import androidx.annotation.NonNull;
@@ -115,11 +116,24 @@ public Curtain withShape(@NonNull View which, Shape shape) {
     }
 
     /**
-     * set the embellish view of the curtain
+     * set the describe view of the curtain
      */
     public Curtain setTopView(@LayoutRes int layoutId) {
         this.buildParams.topLayoutRes = layoutId;
         return this;
+
+    }
+
+    /**
+     * set the onClick in the top view
+     * this method base on setTopView
+     * @param viewId          the view in top view
+     * @param onClickListener the onClickListener
+     * @see #setTopView(int)
+     */
+    public Curtain addOnTopViewClickListener(@IdRes int viewId, OnViewInTopClickListener<IGuide> onClickListener) {
+        this.buildParams.topViewOnClickListeners.append(viewId, onClickListener);
+        return this;
     }
 
     /**
@@ -230,14 +244,16 @@ public static class Param {
 
         int animationStyle = Constance.STATE_NOT_SET;
 
+        SparseArray<OnViewInTopClickListener> topViewOnClickListeners = new SparseArray<>();
+
     }
 
     public interface CallBack {
 
         /**
          * call when show success
          */
-        void onShow(IGuide iGuide);
+        void onShow(IGuide curtain);
 
         /**
          * call when dismiss

curtain/src/main/java/com/qw/curtain/lib/GuideDialogFragment.java

@@ -51,7 +51,6 @@ public static GuideDialogFragment newInstance(Curtain.Param param) {
         }
         guideView.setHollowInfo(tobeDraw);
         guider.setGuideView(guideView);
-
         return guider;
     }
 
@@ -184,6 +183,23 @@ private void updateTopView() {
             contentView.removeViewAt(1);
         }
         LayoutInflater.from(contentView.getContext()).inflate(topLayoutRes, contentView, true);
+        //on top view click listeners
+        SparseArray<OnViewInTopClickListener> listeners = param.topViewOnClickListeners;
+        int onClickListenersSize = listeners.size();
+        for (int i = 0; i < onClickListenersSize; i++) {
+            int idRes = listeners.keyAt(i);
+            final OnViewInTopClickListener<Object> listener = listeners.valueAt(i);
+            View view = contentView.findViewById(idRes);
+            if (null == view) {
+                throw new NullPointerException("the target view was not find in the top view, check your setTopView layout res first");
+            }
+            view.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    listener.onClick(v, GuideDialogFragment.this);
+                }
+            });
+        }
     }
 
 }

curtain/src/main/java/com/qw/curtain/lib/IGuide.java

@@ -10,12 +10,34 @@
  */
 public interface IGuide {
 
+    /**
+     * you can refresh the hollow fields when it showed
+     *
+     * @param hollows the hollow fields
+     */
     void updateHollows(HollowInfo... hollows);
 
+    /**
+     * you can refresh the top view
+     *
+     * @param layoutId the view res
+     */
     void updateTopView(@LayoutRes int layoutId);
 
+    /**
+     * if you want do more operate in top view (onClickListener or onTouchListener)
+     * you can find it by this method
+     * if you just need an onclick listener in top view you can use Curtain.addOnTopViewClickListener instead
+     *
+     * @param id
+     * @param <T>
+     * @see #Curtain.addOnTopViewClickListener()
+     */
     <T extends View> T findViewByIdInTopView(@IdRes int id);
 
+    /**
+     * dismiss the curtain
+     */
     void dismissGuide();
 
 }

curtain/src/main/java/com/qw/curtain/lib/OnViewInTopClickListener.java

@@ -0,0 +1,15 @@
+package com.qw.curtain.lib;
+
+import android.view.View;
+
+public interface OnViewInTopClickListener<T> {
+
+    /**
+     * the onclick listener of view in the top
+     *
+     * @param current     the clicked view
+     * @param currentHost the host curtain or curtainFlow
+     */
+    void onClick(View current, T currentHost);
+
+}