[app] Scroll WebView (#776)

app/src/main/java/org/lsposed/manager/ui/fragment/RepoItemFragment.java

@@ -162,8 +162,6 @@ public class RepoItemFragment extends BaseFragment implements RepoLoader.Listene
             } else {
                 body = HTML_TEMPLATE.replace("@body@", text);
             }
-            body = body.replace("src=\"/", "src=\"/Xposed-Modules-Repo/" + module.getName() + "/raw/main/")
-                    .replace("href=\"/", "href=\"/Xposed-Modules-Repo/" + module.getName() + "/blob/main/");
             view.setWebViewClient(new WebViewClient() {
                 @Override
                 public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {

app/src/main/java/org/lsposed/manager/ui/widget/ScrollWebView.java

@@ -0,0 +1,63 @@
+package org.lsposed.manager.ui.widget;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewParent;
+import android.webkit.WebView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.core.view.ScrollingView;
+import androidx.viewpager2.widget.ViewPager2;
+
+public class ScrollWebView extends WebView {
+    public ScrollWebView(@NonNull Context context) {
+        super(context);
+    }
+
+    public ScrollWebView(@NonNull Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public ScrollWebView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public ScrollWebView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    @SuppressLint("ClickableViewAccessibility")
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        if (event.getAction() == MotionEvent.ACTION_DOWN) {
+            var viewParent = findViewParentIfNeeds(this);
+            if (viewParent != null) viewParent.requestDisallowInterceptTouchEvent(true);
+        }
+        return super.onTouchEvent(event);
+    }
+
+    @Override
+    protected void onOverScrolled(int scrollX, int scrollY, boolean clampedX, boolean clampedY) {
+        if (clampedX) {
+            var viewParent = findViewParentIfNeeds(this);
+            if (viewParent != null) viewParent.requestDisallowInterceptTouchEvent(false);
+        }
+        super.onOverScrolled(scrollX, scrollY, clampedX, clampedY);
+    }
+
+    private static ViewParent findViewParentIfNeeds(View v) {
+        var parent = v.getParent();
+        if (parent == null) return null;
+        if (parent instanceof ViewPager2 || parent instanceof ScrollingView) {
+            return parent;
+        } else if (parent instanceof View) {
+            return findViewParentIfNeeds((View) parent);
+        } else {
+            return parent;
+        }
+    }
+}

app/src/main/res/layout/item_repo_readme.xml

@@ -35,7 +35,7 @@
         app:borderTopDrawable="@null"
         app:borderBottomVisibility="never">
 
-        <WebView
+        <org.lsposed.manager.ui.widget.ScrollWebView
             android:id="@+id/readme"
             android:padding="16dp"
             android:layout_width="match_parent"

app/src/main/res/layout/item_repo_release.xml

@@ -52,7 +52,7 @@
             app:layout_constraintBottom_toBottomOf="parent"
             tools:text="@tools:sample/lorem" />
 
-        <WebView
+        <org.lsposed.manager.ui.widget.ScrollWebView
             android:id="@+id/description"
             android:layout_width="0dp"
             android:layout_height="wrap_content"