[Messages] Add swipe detection of message banner view.

Add a detector for message banner view. To detect swipe gestures, set
a swipe handler by MessageBannerView#setSwipeHandler.

Bug: 1123947
Change-Id: Ie8e1405e4bf4c31b37707a2d5e7f33b582283ea7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2473801Reviewed-by: Matthew Jones <mdjones@chromium.org>
Reviewed-by: Theresa  <twellington@chromium.org>
Commit-Queue: Lijin Shen <lazzzis@google.com>
Cr-Commit-Position: refs/heads/master@{#822718}

components/messages/android/java/src/org/chromium/components/messages/MessageBannerView.java

@@ -4,9 +4,11 @@
 
 package org.chromium.components.messages;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
+import android.view.MotionEvent;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
@@ -14,6 +16,9 @@ import android.widget.TextView;
 
 import androidx.annotation.Nullable;
 
+import org.chromium.components.browser_ui.widget.gesture.SwipeGestureListener;
+import org.chromium.components.browser_ui.widget.gesture.SwipeGestureListener.SwipeHandler;
+
 /**
  * View representing the message banner.
  */
@@ -24,6 +29,7 @@ public class MessageBannerView extends LinearLayout {
     private TextView mPrimaryButton;
     private ImageView mSecondaryButton;
     private View mDivider;
+    private SwipeGestureListener mSwipeGestureDetector;
 
     public MessageBannerView(Context context, @Nullable AttributeSet attrs) {
         super(context, attrs);
@@ -70,4 +76,17 @@ public class MessageBannerView extends LinearLayout {
     void setSecondaryIconContentDescription(String description) {
         mSecondaryButton.setContentDescription(description);
     }
+
+    void setSwipeHandler(SwipeHandler handler) {
+        mSwipeGestureDetector = new SwipeGestureListener(getContext(), handler);
+    }
+
+    @SuppressLint("ClickableViewAccessibility")
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        if (mSwipeGestureDetector != null) {
+            return mSwipeGestureDetector.onTouchEvent(event) || super.onTouchEvent(event);
+        }
+        return super.onTouchEvent(event);
+    }
 }