do no ttry setting web software rendering before api 11

reimplement titlewebview as an alternative rendering option
bump version

AndroidManifest.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.fox.ttrss"
-    android:versionCode="211"
+    android:versionCode="212"
-    android:versionName="1.16b8" >
+    android:versionName="1.16b9" >
 
     <uses-sdk
         android:minSdkVersion="8"

res/layout/article_fragment_compat.xml

@@ -0,0 +1,97 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/article_fragment"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    android:background="?articleBackground"
+    android:orientation="vertical"
+    android:padding="5sp" >
+
+    <org.fox.ttrss.util.TitleWebView
+        android:id="@+id/content"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_weight="1">
+        
+            <LinearLayout
+        android:id="@+id/article_header"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_weight="0"
+        android:orientation="vertical"
+        android:paddingBottom="2dp" >
+
+        <TextView
+            android:id="@+id/title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:paddingBottom="4dp"
+            android:text="My simple headline"
+            android:textColor="?linkColor"
+            android:textSize="18sp" />
+
+        <TextView
+            android:id="@+id/author"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:ellipsize="end"
+            android:gravity="right"
+            android:singleLine="true"
+            android:text="by Author"
+            android:textColor="?headlineSecondaryTextColor"
+            android:textSize="12sp" />
+
+        <TextView
+            android:id="@+id/comments"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:gravity="right"
+            android:text="24 comments"
+            android:textColor="?linkColor"
+            android:textSize="12sp" />
+
+        <ImageView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="4dp"
+            android:layout_marginTop="4dp"
+            android:layout_weight="0"
+            android:background="?ttrssHorizontalDivider"
+            android:paddingTop="2dip" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingBottom="4dp"
+            android:layout_weight="1" >
+
+            <TextView
+                android:id="@+id/tags"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="0.5"
+                android:ellipsize="end"
+                android:singleLine="true"
+                android:text="Example Feed"
+                android:textColor="?headlineSecondaryTextColor"
+                android:textSize="12sp" />
+
+            <TextView
+                android:id="@+id/date"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="0.5"
+                android:gravity="right"
+                android:text="Jan 01, 12:00"
+                android:textAppearance="?android:attr/textAppearanceSmall"
+                android:textColor="?headlineSecondaryTextColor"
+                android:textSize="12sp" />
+        </LinearLayout>
+    </LinearLayout>
+        
+        
+        </org.fox.ttrss.util.TitleWebView>
+
+</LinearLayout>

res/values/strings.xml

@@ -209,4 +209,6 @@
     <string name="download_articles_and_go_offline">Download articles and go offline</string>
     <string name="tasker_save_and_close">Save and close</string>
     <string name="synchronize_read_articles_and_go_online">Synchronize read articles and go online</string>
+    <string name="prefs_compatible_article_layout">Compatible article layout</string>
+    <string name="prefs_compatible_layout_summary">Enable if you see glitches in article content</string>
 </resources>

res/xml/preferences.xml

@@ -161,6 +161,11 @@
             android:title="@string/offline_oldest_first" />
     </PreferenceCategory>
     <PreferenceCategory android:title="@string/debugging" >
+        <CheckBoxPreference
+            android:defaultValue="false"
+            android:key="article_compat_view"
+            android:title="@string/prefs_compatible_article_layout"
+            android:summary="@string/prefs_compatible_layout_summary" />
         <CheckBoxPreference
             android:defaultValue="true"
             android:key="webview_hardware_accel"

src/org/fox/ttrss/ArticleFragment.java

@@ -48,7 +48,7 @@ public class ArticleFragment extends Fragment implements GestureDetector.OnDoubl
 	private Article m_article;
 	private OnlineActivity m_activity;
 	private GestureDetector m_detector;
-
+	
 	public void initialize(Article article) {
 		m_article = article;
 	}
@@ -92,7 +92,9 @@ public class ArticleFragment extends Fragment implements GestureDetector.OnDoubl
 			m_article = savedInstanceState.getParcelable("article");
 		}
 
-		View view = inflater.inflate(R.layout.article_fragment, container, false);
+		boolean useTitleWebView = m_prefs.getBoolean("article_compat_view", false);
+		
+		View view = inflater.inflate(useTitleWebView ? R.layout.article_fragment_compat : R.layout.article_fragment, container, false);
 		
 		if (m_article != null) {
 			
@@ -165,8 +167,10 @@ public class ArticleFragment extends Fragment implements GestureDetector.OnDoubl
 				registerForContextMenu(web);
 				
 			    // prevent flicker in ics
-			    if (!m_prefs.getBoolean("webview_hardware_accel", true)) {
+			    if (!m_prefs.getBoolean("webview_hardware_accel", true) || useTitleWebView) {
-			    	web.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
+			    	if (android.os.Build.VERSION.SDK_INT >= 11) {
+			    		web.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
+			    	}
 			    }
 
 				web.setWebChromeClient(new WebChromeClient() {					
@@ -259,6 +263,10 @@ public class ArticleFragment extends Fragment implements GestureDetector.OnDoubl
 					"</head>" +
 					"<body>" + articleContent;
 				
+				if (useTitleWebView) {
+					content += "<p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>";
+				}
+				
 				if (m_article.attachments != null && m_article.attachments.size() != 0) {
 					String flatContent = articleContent.replaceAll("[\r\n]", "");
 					boolean hasImages = flatContent.matches(".*?<img[^>+].*?");

src/org/fox/ttrss/offline/OfflineArticleFragment.java

@@ -123,7 +123,9 @@ public class OfflineArticleFragment extends Fragment implements GestureDetector.
 			m_articleId = savedInstanceState.getInt("articleId");
 		}
 		
-		View view = inflater.inflate(R.layout.article_fragment, container, false);
+		boolean useTitleWebView = m_prefs.getBoolean("article_compat_view", false);
+		
+		View view = inflater.inflate(useTitleWebView ? R.layout.article_fragment_compat : R.layout.article_fragment, container, false);
 
 		m_cursor = m_activity.getReadableDb().query("articles LEFT JOIN feeds ON (feed_id = feeds."+BaseColumns._ID+")", 
 				new String[] { "articles.*", "feeds.title AS feed_title" }, "articles." + BaseColumns._ID + "=?", 
@@ -212,8 +214,10 @@ public class OfflineArticleFragment extends Fragment implements GestureDetector.
 			    getActivity().getTheme().resolveAttribute(R.attr.linkColor, tv, true);
 			    
 			    // prevent flicker in ics
-			    if (!m_prefs.getBoolean("webview_hardware_accel", true)) {
+			    if (!m_prefs.getBoolean("webview_hardware_accel", true) || useTitleWebView) {
-			    	web.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
+			    	if (android.os.Build.VERSION.SDK_INT >= 11) {
+			    		web.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
+			    	}
 			    }
 			    
 			    String theme = m_prefs.getString("theme", "THEME_DARK");
@@ -282,8 +286,14 @@ public class OfflineArticleFragment extends Fragment implements GestureDetector.
 					cssOverride +
 					"</style>" +
 					"</head>" +
-					"<body>" + articleContent + "</body></html>";
+					"<body>" + articleContent;
-					
+				
+				if (useTitleWebView) {
+					content += "<p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>";
+				}
+				
+				content += "</body></html>";
+				
 				try {
 					String baseUrl = null;
 					

src/org/fox/ttrss/util/TitleWebView.java

@@ -0,0 +1,91 @@
+package org.fox.ttrss.util;
+
+// http://www.techques.com/question/1-9718245/Webview-in-Scrollview
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+import android.webkit.WebView;
+
+public class TitleWebView extends WebView{
+
+	   public TitleWebView(Context context, AttributeSet attrs){
+	      super(context, attrs);
+	   }
+
+	   private int titleHeight;
+
+	   @Override
+	   protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec){
+	      super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+	      // determine height of title bar
+	      View title = getChildAt(0);
+	      titleHeight = title==null ? 0 : title.getMeasuredHeight();
+	   }
+
+	   @Override
+	   public boolean onInterceptTouchEvent(MotionEvent ev){
+	      return true;   // don't pass our touch events to children (title bar), we send these in dispatchTouchEvent
+	   }
+
+	   private boolean touchInTitleBar;
+	   @Override
+	   public boolean dispatchTouchEvent(MotionEvent me){
+
+	      boolean wasInTitle = false;
+	      switch(me.getActionMasked()){
+	      case MotionEvent.ACTION_DOWN:
+	         touchInTitleBar = (me.getY() <= visibleTitleHeight());
+	         break;
+
+	      case MotionEvent.ACTION_UP:
+	      case MotionEvent.ACTION_CANCEL:
+	         wasInTitle = touchInTitleBar;
+	         touchInTitleBar = false;
+	         break;
+	      }
+	      if(touchInTitleBar || wasInTitle) {
+	         View title = getChildAt(0);
+	         if(title!=null) {
+	            // this touch belongs to title bar, dispatch it here
+	            me.offsetLocation(0, getScrollY());
+	            return title.dispatchTouchEvent(me);
+	         }
+	      }
+	      // this is our touch, offset and process
+	      me.offsetLocation(0, -titleHeight);
+	      return super.dispatchTouchEvent(me);
+	   }
+
+	   /**
+	    * @return visible height of title (may return negative values)
+	    */
+	   private int visibleTitleHeight(){
+	      return titleHeight-getScrollY();
+	   }       
+
+	   @Override
+	   protected void onScrollChanged(int l, int t, int oldl, int oldt){
+	      super.onScrollChanged(l, t, oldl, oldt);
+	      View title = getChildAt(0);
+	      if(title!=null)   // undo horizontal scroll, so that title scrolls only vertically
+	         title.offsetLeftAndRight(l - title.getLeft());
+	   }
+
+	   @Override
+	   protected void onDraw(Canvas c){
+
+	      c.save();
+	      int tH = visibleTitleHeight();
+	      if(tH>0) {
+	         // clip so that it doesn't clear background under title bar
+	         int sx = getScrollX(), sy = getScrollY();
+	         c.clipRect(sx, sy+tH, sx+getWidth(), sy+getHeight());
+	      }
+	      c.translate(0, titleHeight);
+	      super.onDraw(c);
+	      c.restore();
+	   }
+	}