Copy links from WebViews on long clicks

app/src/main/java/gr/thmmy/mthmmy/activities/profile/latestPosts/LatestPostsAdapter.java

@@ -6,7 +6,6 @@ import android.graphics.Color;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.webkit.WebView;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
 
@@ -18,7 +17,7 @@ import gr.thmmy.mthmmy.R;
 import gr.thmmy.mthmmy.base.BaseFragment;
 import gr.thmmy.mthmmy.model.PostSummary;
 import gr.thmmy.mthmmy.model.TopicSummary;
-import gr.thmmy.mthmmy.utils.ui.WebViewOnTouchClickListener;
+import gr.thmmy.mthmmy.views.ReactiveWebView;
 import me.zhanghai.android.materialprogressbar.MaterialProgressBar;
 
 /**
@@ -81,7 +80,6 @@ class LatestPostsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
             latestPostViewHolder.post.setBackgroundColor(Color.argb(1, 255, 255, 255));
             latestPostViewHolder.post.loadDataWithBaseURL("file:///android_asset/"
                     , topic.getPost(), "text/html", "UTF-8", null);
-            latestPostViewHolder.post.setOnTouchListener(new WebViewOnTouchClickListener(context));
 
             latestPostViewHolder.latestPostsRow.setOnClickListener(v -> {
                 if (interactionListener != null) {
@@ -106,7 +104,7 @@ class LatestPostsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
         final RelativeLayout latestPostsRow;
         final TextView postTitle;
         final TextView postDate;
-        final WebView post;
+        final ReactiveWebView post;
 
         LatestPostViewHolder(View itemView) {
             super(itemView);

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicAdapter.java

@@ -73,8 +73,8 @@ import gr.thmmy.mthmmy.model.TopicItem;
 import gr.thmmy.mthmmy.utils.parsing.ParseHelpers;
 import gr.thmmy.mthmmy.utils.parsing.ThmmyParser;
 import gr.thmmy.mthmmy.utils.ui.CircleTransform;
-import gr.thmmy.mthmmy.utils.ui.WebViewOnTouchClickListener;
 import gr.thmmy.mthmmy.viewmodel.TopicViewModel;
+import gr.thmmy.mthmmy.views.ReactiveWebView;
 import gr.thmmy.mthmmy.views.editorview.EditorView;
 import gr.thmmy.mthmmy.views.editorview.IEmojiKeyboard;
 import timber.log.Timber;
@@ -363,7 +363,6 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
                 //Post's WebView parameters
                 holder.post.setClickable(true);
                 holder.post.setWebViewClient(new LinkLauncher());
-                holder.post.setOnTouchListener(new WebViewOnTouchClickListener(context));
 
                 //noinspection ConstantConditions
                 loadAvatar(currentPost.getThumbnailURL(), holder.thumbnail);
@@ -834,7 +833,7 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
         final LinearLayout cardChildLinear;
         final TextView postDate, postNum, username, subject;
         final ImageView thumbnail;
-        final public WebView post;
+        final public ReactiveWebView post;
         final ImageButton quoteToggle, overflowButton;
         final RelativeLayout header;
         final LinearLayout userExtraInfo;

app/src/main/java/gr/thmmy/mthmmy/utils/ui/WebViewOnTouchClickListener.java

@@ -1,78 +0,0 @@
-package gr.thmmy.mthmmy.utils.ui;
-
-import android.annotation.SuppressLint;
-import android.app.Dialog;
-import android.content.Context;
-import android.graphics.drawable.ColorDrawable;
-import android.view.MotionEvent;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.ViewGroup.LayoutParams;
-import android.view.Window;
-import android.webkit.WebView;
-
-import com.bumptech.glide.Glide;
-import com.github.chrisbanes.photoview.PhotoView;
-
-import gr.thmmy.mthmmy.base.BaseApplication;
-
-/**
- * Workaround for WebView's inability to send onClick events (sends only onLongClickEvents)
- * If an image is find when clicking it will be inflated as a zoomed/zoomable/pinchable PhotoView
- */
-public class WebViewOnTouchClickListener implements View.OnTouchListener {
-    private final static int screenWidth = BaseApplication.getInstance().getWidthInPixels();
-    private final static int screenHeight = BaseApplication.getInstance().getHeightInPixels();
-
-    private final static long MAX_TOUCH_DURATION = 100;
-    private final Context context;
-    private long downTime;
-
-    public WebViewOnTouchClickListener(Context context){
-        this.context = context;
-    }
-
-    @SuppressLint("ClickableViewAccessibility")
-    @Override
-    public boolean onTouch(View v, MotionEvent event) {
-        switch (event.getAction()) {
-            case MotionEvent.ACTION_DOWN:
-                downTime = event.getEventTime();
-                break;
-            case MotionEvent.ACTION_UP:
-                if(event.getEventTime() - downTime <= MAX_TOUCH_DURATION)
-                    onClick((WebView) v);
-                break;
-            default:
-                break;
-        }
-        return false;
-    }
-
-    private void onClick(WebView webView){
-        WebView.HitTestResult result = webView.getHitTestResult();
-        if(result.getType() == WebView.HitTestResult.IMAGE_TYPE){
-            String imageURL = result.getExtra();
-            showImage(imageURL);
-        }
-        webView.performClick();
-    }
-
-    private void showImage(String url) {
-        Dialog builder = new Dialog(context);
-        builder.requestWindowFeature(Window.FEATURE_NO_TITLE);
-        builder.getWindow().setLayout(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
-        builder.getWindow().setBackgroundDrawable(
-                new ColorDrawable(android.graphics.Color.TRANSPARENT));
-
-        PhotoView photoView = new PhotoView(context);
-        photoView.setLayoutParams(new LayoutParams(screenWidth, screenHeight));
-
-        Glide.with(context).load(url).fitCenter().into(photoView);
-
-        builder.addContentView(photoView, new ViewGroup.LayoutParams(
-                ViewGroup.LayoutParams.MATCH_PARENT,
-                ViewGroup.LayoutParams.MATCH_PARENT));
-        builder.show();
-    }
-}

app/src/main/java/gr/thmmy/mthmmy/views/ReactiveWebView.java

@@ -0,0 +1,105 @@
+package gr.thmmy.mthmmy.views;
+
+import android.app.Dialog;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.graphics.drawable.ColorDrawable;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.ViewGroup;
+import android.view.Window;
+import android.webkit.WebView;
+import android.widget.Toast;
+
+import com.bumptech.glide.Glide;
+import com.github.chrisbanes.photoview.PhotoView;
+
+import gr.thmmy.mthmmy.base.BaseApplication;
+
+import static android.content.Context.CLIPBOARD_SERVICE;
+
+public class ReactiveWebView extends WebView {
+    private final static int screenWidth = BaseApplication.getInstance().getWidthInPixels();
+    private final static int screenHeight = BaseApplication.getInstance().getHeightInPixels();
+
+    private final static long MAX_TOUCH_DURATION = 100;
+    private final Context context;
+    private long downTime;
+
+
+    public ReactiveWebView(Context context) {
+        super(context);
+        this.context = context;
+        setOnLongClickListener();
+    }
+
+    public ReactiveWebView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        this.context = context;
+        setOnLongClickListener();
+    }
+
+    public ReactiveWebView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        this.context = context;
+        setOnLongClickListener();
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        switch (event.getAction()) {
+            case MotionEvent.ACTION_DOWN:
+                downTime = event.getEventTime();
+                break;
+            case MotionEvent.ACTION_UP:
+                if(event.getEventTime() - downTime <= MAX_TOUCH_DURATION)
+                    performClick();
+                break;
+            default:
+                break;
+        }
+        return super.onTouchEvent(event);
+    }
+
+    @Override
+    public boolean performClick() {
+        WebView.HitTestResult result = this.getHitTestResult();
+        if(result.getType() == WebView.HitTestResult.IMAGE_TYPE){
+            String imageURL = result.getExtra();
+            showImage(imageURL);
+        }
+        return super.performClick();
+    }
+
+    private void showImage(String url) {
+        Dialog builder = new Dialog(context);
+        builder.requestWindowFeature(Window.FEATURE_NO_TITLE);
+        builder.getWindow().setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
+        builder.getWindow().setBackgroundDrawable(
+                new ColorDrawable(android.graphics.Color.TRANSPARENT));
+
+        PhotoView photoView = new PhotoView(context);
+        photoView.setLayoutParams(new ViewGroup.LayoutParams(screenWidth, screenHeight));
+
+        Glide.with(context).load(url).fitCenter().into(photoView);
+
+        builder.addContentView(photoView, new ViewGroup.LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.MATCH_PARENT));
+        builder.show();
+    }
+
+    private void setOnLongClickListener(){
+        this.setOnLongClickListener(v -> {
+            HitTestResult result = ReactiveWebView.this.getHitTestResult();
+            if(result.getType() == HitTestResult.SRC_ANCHOR_TYPE){
+                ClipboardManager clipboard = (ClipboardManager) BaseApplication.getInstance().getSystemService(CLIPBOARD_SERVICE);
+                ClipData clip = ClipData.newPlainText("ReactiveWebViewCopiedText", result.getExtra());
+                clipboard.setPrimaryClip(clip);
+                Toast.makeText(BaseApplication.getInstance().getApplicationContext(),"Link copied",Toast.LENGTH_SHORT).show();
+            }
+            return false;
+        });
+    }
+}

app/src/main/res/layout-v21/activity_topic_post_row.xml

@@ -225,7 +225,7 @@
                 android:layout_height="match_parent"
                 android:layout_marginBottom="16dp">
 
-                <WebView
+                <gr.thmmy.mthmmy.views.ReactiveWebView
                     android:id="@+id/post"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"

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

@@ -225,7 +225,7 @@
                 android:layout_height="match_parent"
                 android:layout_marginBottom="16dp">
 
-                <WebView
+                <gr.thmmy.mthmmy.views.ReactiveWebView
                     android:id="@+id/post"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"

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

@@ -50,7 +50,7 @@
             android:layout_alignParentStart="true"
             android:layout_below="@+id/spacer_divider">
 
-            <WebView
+            <gr.thmmy.mthmmy.views.ReactiveWebView
                 android:id="@+id/post"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"