Use page thumbnails for icons.

Change-Id: I5df6341e5d1d8d775d2676d4ef5a52a528c6615c

android/experimental/LibreOffice4Android/res/layout/file_explorer_grid_item.xml

@@ -12,8 +12,8 @@
     
 	<ImageView
         android:id="@+id/grid_item_image"
-        android:layout_width="50dp"
-        android:layout_height="75dp"
+        android:layout_width="100dp"
+        android:layout_height="142dp"
         android:paddingTop="15dp"
         android:paddingBottom="10dp"
         android:layout_gravity="center" >

android/experimental/LibreOffice4Android/res/layout/file_grid.xml

@@ -19,6 +19,7 @@
 	    android:verticalSpacing="10dp"
 	    android:horizontalSpacing="10dp"
 	    android:stretchMode="columnWidth"
+        android:background="#ffeeeeee"
 	    android:gravity="center">
     </GridView>
 	

android/experimental/LibreOffice4Android/res/values/styles.xml

@@ -9,4 +9,8 @@
         <item name="android:background">#bb000000</item>
     </style>
     
+    <style name="grayBackground">
+        <item name="android:background">#dd000000</item>
+    </style>
+
 </resources>
\ No newline at end of file

android/experimental/LibreOffice4Android/src/org/libreoffice/android/DocumentLoader.java

@@ -107,8 +107,8 @@ public class DocumentLoader
     // We pre-render this many pages preceding and succeeding the currently
     // viewed one, i.e. the total number of rendered pages kept is
     // PAGECACHE_PLUSMINUS*2+1.
-    private static final int PAGECACHE_PLUSMINUS = 2;
-    private static final int PAGECACHE_SIZE = PAGECACHE_PLUSMINUS*2 + 1;
+    private static int PAGECACHE_PLUSMINUS = 2;
+    private static int PAGECACHE_SIZE = PAGECACHE_PLUSMINUS*2 + 1;
 
     long timingOverhead;
     XComponentContext context;
@@ -157,7 +157,6 @@ public class DocumentLoader
                 flipper.setOutAnimation(outToLeft);
 
                 flipper.showNext();
-                
                 ((PageViewer)flipper.getChildAt((flipper.getDisplayedChild() + PAGECACHE_PLUSMINUS) % PAGECACHE_SIZE)).display(((PageViewer)flipper.getCurrentView()).currentPageNumber + PAGECACHE_PLUSMINUS);
                 return true;
             } else if (event2.getX() - event1.getX() > 120) {
@@ -491,8 +490,11 @@ public class DocumentLoader
         void display(int number)
         {
             Log.i(TAG, "PageViewer display(" + number + ")");
-            if (number >= 0)
+            if (number >= 0){
+                waitView = new TextView(DocumentLoader.this);
                 waitView.setText("Page " + (number+1) + ", wait...");
+                addView(waitView, 0, matchParent);
+            }
             currentPageNumber = number;
             state = PageState.NONEXISTENT;
 
@@ -520,7 +522,6 @@ public class DocumentLoader
             waitView.setGravity(Gravity.CENTER);
             waitView.setBackgroundColor(Color.WHITE);
             waitView.setTextColor(Color.BLACK);
-            addView(waitView, 0, matchParent);
 
             display(number);
         }
@@ -719,8 +720,9 @@ public class DocumentLoader
           //flipper = new ViewFlipper(this);
 			flipper = (ViewFlipper)findViewById( R.id.page_flipper );
             matchParent = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
-
             flipper.removeViewAt( 0 );	
+
+
             currentPage = 0;
             openPageWithPrefetching( currentPage );
             /*
@@ -923,7 +925,8 @@ public class DocumentLoader
         }
     }
 
-    protected void onDestroy(){
+    protected void onDestroy()
+    {
         super.onDestroy();
         //Save the thumbnail of the first page as the grid image.
         // Could easily make a new (larger) thumb but recycling
@@ -974,23 +977,27 @@ public class DocumentLoader
      * load page && fill cache
      * if page is */
     public void openPageWithPrefetching( int number ){
-    	//as a first draft clear an refill "cache" on load.
-    	//should move views where "cache window" overlaps 
-    	
-    	flipper.removeAllViews();
-    	flipper.addView(new PageViewer(number), 0, matchParent);
-    	
+        //as a first draft clear an refill "cache" on load.
+        //should move views where "cache window" overlaps
+        Log.i( TAG , Integer.toString( pageCount ) );
+        //flipper.removeAllViews();
+        flipper.addView(new PageViewer(number), 0, matchParent);
+
         for (int i = 0; i < PAGECACHE_PLUSMINUS; i++){
-        	if( number + i+1 >= 0 && number + i+1 < pageCount){//pageCount will always be correctly defined when this is called (famous last words)
-        		flipper.addView(new PageViewer( number + i+1), i+1, matchParent);
-        	}
+            if( number + i+1 >= 0 && number + i+1 < pageCount){//pageCount will always be defined when this is called (famous last words)
+                flipper.addView(new PageViewer( number + i+1), i+1, matchParent);
+            }else{
+                flipper.addView( new PageViewer(  pageCount - 1), i+1, matchParent );
+            }
         }
         for (int i = 0; i < PAGECACHE_PLUSMINUS; i++){
-        	if( number - i+1 >= 0 && number - i+1 < pageCount){
+            if( number - i+1 >= 0 && number - i+1 < pageCount){
                 flipper.addView(new PageViewer( number - (i+1)), PAGECACHE_PLUSMINUS + i+1, matchParent);
-        	}
+            }else{
+                flipper.addView( new PageViewer( 0 ), PAGECACHE_PLUSMINUS + i+1, matchParent );
+            }
         }
-	
+
     }
 }
 

android/experimental/LibreOffice4Android/src/org/libreoffice/ui/FileUtilities.java

@@ -93,29 +93,33 @@ public class FileUtilities {
     // Filter by mode, and/or in future by filename/wildcard
     static private boolean doAccept(String filename, int byMode, String byFilename)
     {
-	android.util.Log.d("debug", "doAccept : " + filename + " mode " + byMode + " byFilename " + byFilename);
-	if (byMode == ALL && byFilename == "")
-	    return true;
-	// check extension
-	if (byMode != ALL) {
-	    if (mExtnMap.get (getExtension (filename)) != byMode)
-		return false;
-	}
-	if (byFilename != "") {
-	    // FIXME return false on a non-match
-	}
-	return true;
+    android.util.Log.d("debug", "doAccept : " + filename + " mode " + byMode + " byFilename " + byFilename);
+    if (byMode == ALL && byFilename == ""){
+        if( filename.startsWith(".")){//ignore hidden files
+            return false;
+        }
+        return true;
+    }
+    // check extension
+    if (byMode != ALL) {
+        if (mExtnMap.get (getExtension (filename)) != byMode)
+        return false;
+    }
+    if (byFilename != "") {
+        // FIXME return false on a non-match
+    }
+    return true;
     }
 
     static FileFilter getFileFilter(final int mode)
     {
-	return new FileFilter() {
-	    public boolean accept(File pathname) {
-		if (pathname.isDirectory())
-		    return true;
-		return doAccept(pathname.getName(), mode, "");
-	    }
-	};
+    return new FileFilter() {
+        public boolean accept(File pathname) {
+        if (pathname.isDirectory())
+            return true;
+        return doAccept(pathname.getName(), mode, "");
+        }
+    };
     }
 
     static FilenameFilter getFilenameFilter(final int mode)

android/experimental/LibreOffice4Android/src/org/libreoffice/ui/GridItemAdapter.java

@@ -10,6 +10,7 @@ package org.libreoffice.ui;
 
 import org.libreoffice.R;
 
+
 import java.io.File;
 
 import android.content.Context;
@@ -20,6 +21,8 @@ import android.view.ViewGroup;
 import android.widget.BaseAdapter;
 import android.widget.ImageView;
 import android.widget.TextView;
+import android.graphics.BitmapFactory;
+import android.graphics.Bitmap;
 
 public class GridItemAdapter extends BaseAdapter{
 	Context mContext;
@@ -77,24 +80,37 @@ public class GridItemAdapter extends BaseAdapter{
 			// get layout from mobile.xml
 			gridView = inflater.inflate(R.layout.file_explorer_grid_item, null);
 
-			// set value into textview
-			TextView textView = (TextView) gridView
-					.findViewById(R.id.grid_item_label);
-			textView.setText(filePaths[position].getName());
-			// set image based on selected text
-			ImageView imageView = (ImageView) gridView
-					.findViewById(R.id.grid_item_image);
-			if( filePaths[position].isDirectory() ) // Is a folder
-			{
-				// Eventually have thumbnails of each sub file on a black circle
-				// For now just a folder icon
-				imageView.setImageResource(R.drawable.folder);
-			}
-			else
-			{
-			    switch (FileUtilities.getType(filePaths[position].getName()))
-			    {
-			    case FileUtilities.DOC:
+            // set value into textview
+            TextView textView = (TextView) gridView
+                    .findViewById(R.id.grid_item_label);
+            textView.setText(filePaths[position].getName());
+            // set image based on selected text
+            ImageView imageView = (ImageView) gridView
+                    .findViewById(R.id.grid_item_image);
+            if( filePaths[position].isDirectory() ) // Is a folder
+            {
+                // Eventually have thumbnails of each sub file on a black circle
+                // For now just a folder icon
+                imageView.setImageResource(R.drawable.folder);
+            }
+            else
+            {
+                File thumbnailFile = new File( filePaths[position].getParent() , "."
+            + filePaths[position].getName().split("[.]")[0] + ".png");
+                BitmapFactory factory = new BitmapFactory();
+                Bitmap thumb = factory.decodeFile( thumbnailFile.getAbsolutePath() );
+                if(thumb != null){
+                    Log.i( "GRID" , "true" );
+                }else{
+                    Log.i( "GRID" , thumbnailFile.getAbsolutePath() );
+                }
+                switch (FileUtilities.getType(filePaths[position].getName()))
+                {
+                case FileUtilities.DOC:
+                    if( thumb != null){
+                        imageView.setImageBitmap( thumb );
+                        break;
+                    }
 				imageView.setImageResource(R.drawable.writer);
 				break;
 			    case FileUtilities.CALC: