LOAndroid3: Add a side drawer to show available parts (by name)

Use DrawerLayer to show a side drawer with parts of the loaded
document. The dawer consists of an image (could be changed by a
thumbnail in the future) and the part name.

Change-Id: I27fb6112d9f11e19f3295ace97103b89816591aa

android/experimental/LOAndroid3/res/layout/activity_main.xml

 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
+<android.support.v4.widget.DrawerLayout
+    android:id="@+id/drawer_layout"
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/main_layout"
-    android:background="#fff"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="fill_parent"
-    android:layout_height="fill_parent">
+    android:layout_height="fill_parent"
+    android:background="#fff"
+    tools:context=".MainActivity">
 
     <RelativeLayout
-        android:id="@+id/gecko_layout"
-        android:layout_width="fill_parent"
-        android:layout_height="fill_parent"
-        android:layout_weight="1"/>
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <RelativeLayout
+            android:id="@+id/gecko_layout"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent"
+            android:layout_weight="1"/>
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"/>
+
+    </RelativeLayout>
+
+    <ListView
+        android:id="@+id/left_drawer"
+        android:layout_width="240dp"
+        android:layout_height="match_parent"
+        android:layout_gravity="start"
+        android:background="#9FFF"
+        android:choiceMode="singleChoice"/>
 
-</LinearLayout>
+</android.support.v4.widget.DrawerLayout>
\ No newline at end of file

android/experimental/LOAndroid3/res/layout/document_part_list_layout.xml

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:gravity="center_horizontal">
+
+    <ImageView
+        android:id="@+id/image"
+        android:layout_width="128dp"
+        android:layout_height="128dp"/>
+
+    <TextView
+        android:id="@+id/text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Large Text"
+        android:textAppearance="?android:attr/textAppearanceLarge"/>
+</LinearLayout>
\ No newline at end of file

android/experimental/LOAndroid3/res/menu/main.xml

 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
-    tools:context="org.libreoffice.MainActivity" >
+    tools:context="org.libreoffice.MainActivity">
+
     <item android:id="@+id/action_settings"
         android:title="@string/action_settings"
         android:orderInCategory="100" />
+
+    <item android:id="@+id/action_list"
+          android:title="@string/action_list"
+          android:orderInCategory="100" />
 </menu>

android/experimental/LOAndroid3/res/values/strings.xml

@@ -3,5 +3,6 @@
 
     <string name="app_name">LibreOffice</string>
     <string name="action_settings">Settings</string>
+    <string name="action_list">Parts</string>
 
 </resources>

android/experimental/LOAndroid3/src/java/org/libreoffice/DocumentPartView.java

+package org.libreoffice;
+
+
+public class DocumentPartView {
+    private String partName;
+
+    public DocumentPartView(String partName) {
+        this.partName = partName;
+    }
+
+    public String getPartName() {
+        return partName;
+    }
+}

android/experimental/LOAndroid3/src/java/org/libreoffice/DocumentPartViewListAdpater.java

+package org.libreoffice;
+
+import android.app.Activity;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import java.util.List;
+
+public class DocumentPartViewListAdpater extends ArrayAdapter<DocumentPartView> {
+    private static final String LOGTAG = DocumentPartViewListAdpater.class.getSimpleName();
+
+    private final Activity activity;
+
+    public DocumentPartViewListAdpater(Activity activity, int resource, List<DocumentPartView> objects) {
+        super(activity, resource, objects);
+        this.activity = activity;
+    }
+
+    @Override
+    public View getView(int position, View view, ViewGroup parent) {
+        if (view == null) {
+            LayoutInflater layoutInflater = activity.getLayoutInflater();
+            view = layoutInflater.inflate(R.layout.document_part_list_layout, null);
+        }
+
+        DocumentPartView documentPartView = getItem(position);
+        TextView textView = (TextView) view.findViewById(R.id.text);
+        textView.setText(documentPartView.getPartName());
+        Log.i(LOGTAG, "getView - " + documentPartView.getPartName());
+
+        ImageView imageView = (ImageView) view.findViewById(R.id.image);
+        imageView.setImageResource(R.drawable.writer);
+
+        return view;
+    }
+}

android/experimental/LOAndroid3/src/java/org/libreoffice/LOKitShell.java

 package org.libreoffice;
 
 
+import android.os.Handler;
 import android.util.DisplayMetrics;
 
 public class LOKitShell {
@@ -32,4 +33,9 @@ public class LOKitShell {
     public static void scheduleResumeComposition() {
 
     }
+
+    // Get a Handler for the main java thread
+    public static Handler getMainHandler() {
+        return LibreOfficeMainActivity.mAppContext.mMainHandler;
+    }
 }

android/experimental/LOAndroid3/src/java/org/libreoffice/LOKitTileProvider.java

@@ -55,6 +55,22 @@ public class LOKitTileProvider implements TileProvider {
             if (parts >= 1) {
                 mDocument.setPart(0);
             }
+            for (int i = 0; i < parts; i++) {
+                String partName = mDocument.getPartName(i);
+                if (partName.isEmpty()) {
+                    partName = "Part " + (i + 1);
+                }
+                Log.i(LOGTAG, "Document part " + i + " name:'" + partName + "'");
+                final DocumentPartView partView = new DocumentPartView(partName);
+                LibreOfficeMainActivity.mAppContext.getDocumentPartView().add(partView);
+            }
+
+            LibreOfficeMainActivity.mAppContext.mMainHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    LibreOfficeMainActivity.mAppContext.getDocumentPartViewListAdpater().notifyDataSetChanged();
+                }
+            });
         }
     }
 

android/experimental/LOAndroid3/src/java/org/libreoffice/LibreOfficeMainActivity.java

@@ -2,35 +2,53 @@ package org.libreoffice;
 
 import android.app.Activity;
 import android.os.Bundle;
-import android.os.SystemClock;
+import android.os.Handler;
+import android.support.v4.widget.DrawerLayout;
 import android.util.DisplayMetrics;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
-import android.widget.LinearLayout;
+import android.widget.ListView;
 import android.widget.RelativeLayout;
 
 import org.mozilla.gecko.gfx.GeckoLayerClient;
 import org.mozilla.gecko.gfx.LayerController;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class LibreOfficeMainActivity extends Activity {
 
     private static final String LOGTAG = "LibreOfficeMainActivity";
     private static final String DEFAULT_DOC_PATH = "/assets/test1.odt";
 
-    private LinearLayout mMainLayout;
-    private RelativeLayout mGeckoLayout;
+    public static LibreOfficeMainActivity mAppContext;
+
     private static LayerController mLayerController;
     private static GeckoLayerClient mLayerClient;
     private static LOKitThread sLOKitThread;
 
-    public static LibreOfficeMainActivity mAppContext;
+    public Handler mMainHandler;
+
+    private DrawerLayout mDrawerLayout;
+    private RelativeLayout mGeckoLayout;
+    private ListView mDrawerList;
+    private List<DocumentPartView> mDocumentPartView = new ArrayList<DocumentPartView>();
+    private DocumentPartViewListAdpater mDocumentPartViewListAdpater;
+
+    public static GeckoLayerClient getLayerClient() {
+        return mLayerClient;
+    }
+
+    public static LayerController getLayerController() {
+        return mLayerController;
+    }
 
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         // Inflate the menu; this adds items to the action bar if it is present.
         getMenuInflater().inflate(R.menu.main, menu);
-        return true;
+        return super.onCreateOptionsMenu(menu);
     }
 
     @Override
@@ -45,36 +63,47 @@ public class LibreOfficeMainActivity extends Activity {
         return super.onOptionsItemSelected(item);
     }
 
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        // If the nav drawer is open, hide action items related to the content view
+        boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
+        menu.findItem(R.id.action_list).setVisible(!drawerOpen);
+        return super.onPrepareOptionsMenu(menu);
+    }
+
     public DisplayMetrics getDisplayMetrics() {
         DisplayMetrics metrics = new DisplayMetrics();
         getWindowManager().getDefaultDisplay().getMetrics(metrics);
         return metrics;
     }
 
-    /**
-     * Called when the activity is first created.
-     */
     @Override
     public void onCreate(Bundle savedInstanceState) {
         mAppContext = this;
 
+        mMainHandler = new Handler();
+
         super.onCreate(savedInstanceState);
 
-        Log.w(LOGTAG, "zerdatime " + SystemClock.uptimeMillis() + " - onCreate");
+        String inputFile;
 
-        String inputFile = new String();
         if (getIntent().getData() != null) {
             inputFile = getIntent().getData().getEncodedPath();
-        }
-        else {
+        } else {
             inputFile = DEFAULT_DOC_PATH;
         }
 
         setContentView(R.layout.activity_main);
 
-        // setup gecko layout
+        getActionBar().setDisplayHomeAsUpEnabled(false);
+        getActionBar().setHomeButtonEnabled(false);
+
         mGeckoLayout = (RelativeLayout) findViewById(R.id.gecko_layout);
-        mMainLayout = (LinearLayout) findViewById(R.id.main_layout);
+        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
+        mDrawerList = (ListView) findViewById(R.id.left_drawer);
+
+        mDocumentPartViewListAdpater = new DocumentPartViewListAdpater(this, R.layout.document_part_list_layout, mDocumentPartView);
+        mDrawerList.setAdapter(mDocumentPartViewListAdpater);
 
         if (mLayerController == null) {
             mLayerController = new LayerController(this);
@@ -90,19 +119,28 @@ public class LibreOfficeMainActivity extends Activity {
         sLOKitThread = new LOKitThread(inputFile);
         sLOKitThread.start();
 
-        Log.w(LOGTAG, "zerdatime " + SystemClock.uptimeMillis() + " - UI almost up");
+        Log.w(LOGTAG, "UI almost up");
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
     }
 
     public LOKitThread getLOKitThread() {
         return sLOKitThread;
     }
 
-    public static GeckoLayerClient getLayerClient() {
-        return mLayerClient;
+    public List<DocumentPartView> getDocumentPartView() {
+        return mDocumentPartView;
     }
-
-    public static LayerController getLayerController() {
-        return mLayerController;
+    public DocumentPartViewListAdpater getDocumentPartViewListAdpater() {
+        return mDocumentPartViewListAdpater;
     }
 }
 

android/experimental/LOAndroid3/src/java/org/libreoffice/MockTileProvider.java

@@ -15,6 +15,18 @@ public class MockTileProvider implements TileProvider {
     public MockTileProvider(LayerController layerController, String inputFile) {
         this.layerController = layerController;
         this.inputFile = inputFile;
+
+        for (int i = 0; i < 5; i++) {
+            String partName = "Part " + i;
+            DocumentPartView partView = new DocumentPartView(partName);
+            LibreOfficeMainActivity.mAppContext.getDocumentPartViewListAdpater().add(partView);
+        }
+        LibreOfficeMainActivity.mAppContext.mMainHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                LibreOfficeMainActivity.mAppContext.getDocumentPartViewListAdpater().notifyDataSetChanged();
+            }
+        });
     }
 
     @Override