implement basic webview context menu for images

AndroidManifest.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.fox.ttrss"
-    android:versionCode="151"
+    android:versionCode="152"
     android:versionName="1.4.3" >
 
     <uses-sdk

res/menu/article_content_img_context_menu.xml

@@ -0,0 +1,18 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <item
+        android:id="@+id/article_img_open"
+        android:showAsAction=""
+        android:title="@string/article_img_open"/>
+    
+    <item
+        android:id="@+id/article_img_share"
+        android:showAsAction=""
+        android:title="@string/article_img_share"/>
+
+    <!--  <item
+        android:id="@+id/article_img_save"
+        android:showAsAction=""
+        android:title="Save image to file"/> -->
+
+</menu>

res/values/strings.xml

@@ -186,4 +186,6 @@
     <string name="headlines_starred">Starred</string>
     <string name="headlines_published">Published</string>
     <string name="headlines_unread">Unread</string>
+    <string name="article_img_open">Open image</string>
+    <string name="article_img_share">Share image</string>
 </resources>

src/org/fox/ttrss/ArticleFragment.java

@@ -21,11 +21,13 @@ import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.support.v4.app.Fragment;
 import android.text.Html;
+import android.util.Log;
 import android.util.TypedValue;
 import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;
 import android.view.GestureDetector;
 import android.view.LayoutInflater;
+import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.OnClickListener;
@@ -34,7 +36,9 @@ import android.webkit.WebChromeClient;
 import android.webkit.WebSettings;
 import android.webkit.WebSettings.LayoutAlgorithm;
 import android.webkit.WebView;
+import android.webkit.WebView.HitTestResult;
 import android.widget.TextView;
+import android.widget.AdapterView.AdapterContextMenuInfo;
 
 public class ArticleFragment extends Fragment implements GestureDetector.OnDoubleTapListener {
 	private final String TAG = this.getClass().getSimpleName();
@@ -60,8 +64,25 @@ public class ArticleFragment extends Fragment implements GestureDetector.OnDoubl
 	public void onCreateContextMenu(ContextMenu menu, View v,
 	    ContextMenuInfo menuInfo) {
 
-		getActivity().getMenuInflater().inflate(R.menu.article_link_context_menu, menu);
+		if (v.getId() == R.id.content) {
-		menu.setHeaderTitle(m_article.title);
+			HitTestResult result = ((WebView)v).getHitTestResult();
+
+			if (result.getType() == HitTestResult.IMAGE_TYPE || result.getType() == HitTestResult.SRC_IMAGE_ANCHOR_TYPE) {
+				menu.setHeaderTitle(result.getExtra());
+				getActivity().getMenuInflater().inflate(R.menu.article_content_img_context_menu, menu);
+				
+				/* FIXME I have no idea how to do this correctly ;( */
+				
+				m_activity.setLastContentImageHitTestUrl(result.getExtra());
+				
+			} else {
+				menu.setHeaderTitle(m_article.title);
+				getActivity().getMenuInflater().inflate(R.menu.article_link_context_menu, menu);
+			}
+		} else {
+			menu.setHeaderTitle(m_article.title);
+			getActivity().getMenuInflater().inflate(R.menu.article_link_context_menu, menu);
+		}
 		
 		super.onCreateContextMenu(menu, v, menuInfo);		
 		
@@ -143,6 +164,8 @@ public class ArticleFragment extends Fragment implements GestureDetector.OnDoubl
 			WebView web = (WebView)view.findViewById(R.id.content);
 			
 			if (web != null) {
+				registerForContextMenu(web);
+				
 				web.setWebChromeClient(new WebChromeClient() {					
 					@Override
 	                public void onProgressChanged(WebView view, int progress) {
@@ -319,7 +342,6 @@ public class ArticleFragment extends Fragment implements GestureDetector.OnDoubl
 		out.putParcelable("article", m_article);
 	}
 
-	
 	@Override
 	public void onAttach(Activity activity) {
 		super.onAttach(activity);		
@@ -350,8 +372,7 @@ public class ArticleFragment extends Fragment implements GestureDetector.OnDoubl
 			
 			@Override
 			public void onLongPress(MotionEvent e) {
-				// TODO Auto-generated method stub
+				m_activity.openContextMenu(getView());				
-				
 			}
 			
 			@Override

src/org/fox/ttrss/OnlineActivity.java

@@ -39,6 +39,8 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.Window;
+import android.webkit.WebView;
+import android.webkit.WebView.HitTestResult;
 import android.widget.EditText;
 import android.widget.SearchView;
 import android.widget.ShareActionProvider;
@@ -61,6 +63,8 @@ public class OnlineActivity extends CommonActivity {
 	private ActionMode m_headlinesActionMode;
 	private HeadlinesActionModeCallback m_headlinesActionModeCallback;
 
+	private String m_lastImageHitTestUrl;
+
 	private BroadcastReceiver m_broadcastReceiver = new BroadcastReceiver() {
 		@Override
 		public void onReceive(Context content, Intent intent) {
@@ -536,6 +540,29 @@ public class OnlineActivity extends CommonActivity {
 		final ArticlePager ap = (ArticlePager)getSupportFragmentManager().findFragmentByTag(FRAG_ARTICLE);
 		
 		switch (item.getItemId()) {
+		case R.id.article_img_open:
+			if (getLastContentImageHitTestUrl() != null) {
+				try {
+					Intent intent = new Intent(Intent.ACTION_VIEW, 
+							Uri.parse(getLastContentImageHitTestUrl()));
+					startActivity(intent);
+				} catch (Exception e) {
+					e.printStackTrace();
+					toast(R.string.error_other_error);
+				}
+			}			
+			return true;
+		case R.id.article_img_share:
+			if (getLastContentImageHitTestUrl() != null) {
+				Intent intent = new Intent(Intent.ACTION_SEND);
+
+				intent.setType("image/png");
+				intent.putExtra(Intent.EXTRA_SUBJECT, getLastContentImageHitTestUrl());
+				intent.putExtra(Intent.EXTRA_TEXT, getLastContentImageHitTestUrl());
+
+				startActivity(Intent.createChooser(intent, getLastContentImageHitTestUrl()));
+			}
+			return true;
 		case R.id.article_link_share:
 			if (ap != null && ap.getSelectedArticle() != null) {
 				shareArticle(ap.getSelectedArticle());
@@ -1570,4 +1597,12 @@ public class OnlineActivity extends CommonActivity {
 	public String getViewMode() {		
 		return m_prefs.getString("view_mode", "adaptive");
 	}
+	
+	public void setLastContentImageHitTestUrl(String url) {
+		m_lastImageHitTestUrl = url;		
+	}
+	
+	public String getLastContentImageHitTestUrl() {
+		return m_lastImageHitTestUrl;
+	}
 }