Add File Browser screen to new UI.

Source/Android/app/src/main/AndroidManifest.xml

@@ -15,7 +15,7 @@
         <activity
             android:name=".activities.GameGridActivity"
             android:label="Dolphin New UI"
-            android:theme="@style/DolphinWii">
+            android:theme="@style/DolphinGamecube">
 
             <!-- This intentfilter marks this Activity as the one that gets launched from Home screen. -->
             <intent-filter>
@@ -25,6 +25,12 @@
             </intent-filter>
         </activity>
 
+        <activity
+            android:name=".activities.AddDirectoryActivity"
+            android:theme="@style/DolphinWii"
+            android:label="@string/add_directory_title"/>
+
+
         <activity
             android:name="org.dolphinemu.dolphinemu.gamelist.GameListActivity"
             android:label="@string/app_name"

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/AddDirectoryActivity.java

@@ -0,0 +1,96 @@
+package org.dolphinemu.dolphinemu.activities;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Environment;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.widget.Toolbar;
+
+import org.dolphinemu.dolphinemu.BuildConfig;
+import org.dolphinemu.dolphinemu.R;
+import org.dolphinemu.dolphinemu.adapters.FileAdapter;
+
+public class AddDirectoryActivity extends Activity implements FileAdapter.FileClickListener
+{
+	public static final String KEY_CURRENT_PATH = BuildConfig.APPLICATION_ID + ".path";
+
+	private FileAdapter mAdapter;
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState)
+	{
+		super.onCreate(savedInstanceState);
+
+		setContentView(R.layout.activity_add_directory);
+
+		Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar_folder_list);
+		setActionBar(toolbar);
+
+		RecyclerView recyclerView = (RecyclerView) findViewById(R.id.list_files);
+
+		// Specifying the LayoutManager determines how the RecyclerView arranges views.
+		RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
+		recyclerView.setLayoutManager(layoutManager);
+
+		String path;
+		// Stuff in this block only happens when this activity is newly created (i.e. not a rotation)
+		if (savedInstanceState == null)
+		{
+			path = Environment.getExternalStorageDirectory().getPath();
+		} else
+		{
+			// Get the path we were looking at before we rotated.
+			path = savedInstanceState.getString(KEY_CURRENT_PATH);
+		}
+
+		mAdapter = new FileAdapter(path, this);
+		recyclerView.setAdapter(mAdapter);
+	}
+
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu)
+	{
+		MenuInflater inflater = getMenuInflater();
+		inflater.inflate(R.menu.menu_add_directory, menu);
+
+		return true;
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item)
+	{
+		switch (item.getItemId())
+		{
+			case R.id.menu_up_one_level:
+				mAdapter.setPath(mAdapter.getPath() + "/..");
+				break;
+		}
+
+		return super.onOptionsItemSelected(item);
+	}
+
+	@Override
+	protected void onSaveInstanceState(Bundle outState)
+	{
+		super.onSaveInstanceState(outState);
+
+		// Save the path we're looking at so when rotation is done, we start from same folder.
+		outState.putString(KEY_CURRENT_PATH, mAdapter.getPath());
+	}
+
+	@Override
+	public void finishSuccessfully()
+	{
+		Intent resultData = new Intent();
+
+		resultData.putExtra(KEY_CURRENT_PATH, mAdapter.getPath());
+		setResult(RESULT_OK, resultData);
+
+		finish();
+	}
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/GameGridActivity.java

@@ -2,13 +2,21 @@ package org.dolphinemu.dolphinemu.activities;
 
 import android.app.Activity;
 import android.content.Intent;
+import android.content.SharedPreferences;
+import android.database.Cursor;
+import android.net.Uri;
 import android.os.Bundle;
 import android.os.Environment;
+import android.preference.PreferenceManager;
+import android.provider.DocumentsContract;
+import android.provider.OpenableColumns;
 import android.support.v7.widget.GridLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuInflater;
+import android.view.View;
+import android.widget.ImageButton;
 import android.widget.Toolbar;
 
 import org.dolphinemu.dolphinemu.AssetCopyService;
@@ -24,11 +32,11 @@ import java.util.Arrays;
 import java.util.HashSet;
 import java.util.Set;
 
-public class GameGridActivity extends Activity
+public final class GameGridActivity extends Activity
 {
-	private RecyclerView mRecyclerView;
-	private RecyclerView.Adapter mAdapter;
-	private RecyclerView.LayoutManager mLayoutManager;
+	private static final int REQUEST_ADD_DIRECTORY = 1;
+
+	private GameAdapter mAdapter;
 
 	@Override
 	protected void onCreate(Bundle savedInstanceState)
@@ -39,21 +47,32 @@ public class GameGridActivity extends Activity
 		Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar_game_list);
 		setActionBar(toolbar);
 
-		mRecyclerView = (RecyclerView) findViewById(R.id.grid_games);
+		ImageButton buttonAddDirectory = (ImageButton) findViewById(R.id.button_add_directory);
+		RecyclerView recyclerView = (RecyclerView) findViewById(R.id.grid_games);
 
 		// use this setting to improve performance if you know that changes
 		// in content do not change the layout size of the RecyclerView
 		//mRecyclerView.setHasFixedSize(true);
 
 		// Specifying the LayoutManager determines how the RecyclerView arranges views.
-		mLayoutManager = new GridLayoutManager(this, 4);
-		mRecyclerView.setLayoutManager(mLayoutManager);
+		RecyclerView.LayoutManager layoutManager = new GridLayoutManager(this, 4);
+		recyclerView.setLayoutManager(layoutManager);
 
-		mRecyclerView.addItemDecoration(new GameAdapter.SpacesItemDecoration(8));
+		recyclerView.addItemDecoration(new GameAdapter.SpacesItemDecoration(8));
 
 		// Create an adapter that will relate the dataset to the views on-screen.
 		mAdapter = new GameAdapter(getGameList());
-		mRecyclerView.setAdapter(mAdapter);
+		recyclerView.setAdapter(mAdapter);
+
+		buttonAddDirectory.setOnClickListener(new View.OnClickListener()
+		{
+			@Override
+			public void onClick(View view)
+			{
+				Intent fileChooser = new Intent(GameGridActivity.this, AddDirectoryActivity.class);
+				startActivityForResult(fileChooser, REQUEST_ADD_DIRECTORY);
+			}
+		});
 
 		// Stuff in this block only happens when this activity is newly created (i.e. not a rotation)
 		if (savedInstanceState == null)
@@ -64,11 +83,33 @@ public class GameGridActivity extends Activity
 		}
 	}
 
+	@Override
+	protected void onActivityResult(int requestCode, int resultCode, Intent result)
+	{
+		if (resultCode == RESULT_OK)
+		{
+			if (requestCode == REQUEST_ADD_DIRECTORY)
+			{
+				String path = result.getStringExtra(AddDirectoryActivity.KEY_CURRENT_PATH);
+
+				SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
+				SharedPreferences.Editor editor = prefs.edit();
+
+				editor.putString(AddDirectoryActivity.KEY_CURRENT_PATH, path);
+
+				// Using commit in order to block so the next method has the correct data to load.
+				editor.commit();
+
+				mAdapter.setGameList(getGameList());
+			}
+		}
+	}
+
 	@Override
 	public boolean onCreateOptionsMenu(Menu menu)
 	{
 		MenuInflater inflater = getMenuInflater();
-		inflater.inflate(R.menu.gamelist_menu, menu);
+		inflater.inflate(R.menu.menu_game_grid, menu);
 		return true;
 
 	}
@@ -82,48 +123,43 @@ public class GameGridActivity extends Activity
 
 		NativeLibrary.SetUserDirectory(DefaultDir);
 
-		String Directories = NativeLibrary.GetConfig("Dolphin.ini", "General", "ISOPaths", "0");
-		Log.v("DolphinEmu", "Directories: " + Directories);
-		int intDirectories = Integer.parseInt(Directories);
-
 		// Extensions to filter by.
 		Set<String> exts = new HashSet<String>(Arrays.asList(".dff", ".dol", ".elf", ".gcm", ".gcz", ".iso", ".wad", ".wbfs"));
 
-		for (int a = 0; a < intDirectories; ++a)
+		SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
+
+		String path = prefs.getString(AddDirectoryActivity.KEY_CURRENT_PATH, "/");
+
+		File currentDir = new File(path);
+		File[] dirs = currentDir.listFiles();
+		try
 		{
-			String BrowseDir = NativeLibrary.GetConfig("Dolphin.ini", "General", "ISOPath" + a, "");
-			Log.v("DolphinEmu", "Directory " + a + ": " + BrowseDir);
-
-			File currentDir = new File(BrowseDir);
-			File[] dirs = currentDir.listFiles();
-			try
+			for (File entry : dirs)
 			{
-				for (File entry : dirs)
+				if (!entry.isHidden() && !entry.isDirectory())
 				{
-					if (!entry.isHidden() && !entry.isDirectory())
+					String entryName = entry.getName();
+
+					// Check that the file has an appropriate extension before trying to read out of it.
+					if (exts.contains(entryName.toLowerCase().substring(entryName.lastIndexOf('.'))))
 					{
-						String entryName = entry.getName();
-
-						// Check that the file has an appropriate extension before trying to read out of it.
-						if (exts.contains(entryName.toLowerCase().substring(entryName.lastIndexOf('.'))))
-						{
-							GcGame game = new GcGame(NativeLibrary.GetTitle(entry.getAbsolutePath()),
-									NativeLibrary.GetDescription(entry.getAbsolutePath()).replace("\n", " "),
-									// TODO Some games might actually not be from this region, believe it or not.
-									"United States",
-									entry.getAbsolutePath(),
-									NativeLibrary.GetGameId(entry.getAbsolutePath()),
-									NativeLibrary.GetDate(entry.getAbsolutePath()));
-
-							gameList.add(game);
-						}
+						GcGame game = new GcGame(NativeLibrary.GetTitle(entry.getAbsolutePath()),
+								NativeLibrary.GetDescription(entry.getAbsolutePath()).replace("\n", " "),
+								// TODO Some games might actually not be from this region, believe it or not.
+								"United States",
+								entry.getAbsolutePath(),
+								NativeLibrary.GetGameId(entry.getAbsolutePath()),
+								NativeLibrary.GetDate(entry.getAbsolutePath()));
 
+						gameList.add(game);
 					}
 
 				}
-			} catch (Exception ignored)
-			{
+
 			}
+		} catch (Exception ignored)
+		{
+
 		}
 
 		return gameList;

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/adapters/FileAdapter.java

@@ -0,0 +1,161 @@
+package org.dolphinemu.dolphinemu.adapters;
+
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import org.dolphinemu.dolphinemu.R;
+import org.dolphinemu.dolphinemu.model.FileListItem;
+import org.dolphinemu.dolphinemu.viewholders.FileViewHolder;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collections;
+
+public class FileAdapter extends RecyclerView.Adapter<FileViewHolder> implements View.OnClickListener
+{
+	private ArrayList<FileListItem> mFileList;
+
+	private String mPath;
+
+	private FileClickListener mListener;
+
+	/**
+	 * Initializes the dataset to be displayed, and associates the Adapter with the
+	 * Activity as an event listener.
+	 *
+	 * @param gameList
+	 */
+	public FileAdapter(String path, FileClickListener listener)
+	{
+		mFileList = generateFileList(new File(path));
+		mListener = listener;
+	}
+
+	/**
+	 * Called by the LayoutManager when it is necessary to create a new view.
+	 *
+	 * @param parent   The RecyclerView (I think?) the created view will be thrown into.
+	 * @param viewType Not used here, but useful when more than one type of child will be used in the RecyclerView.
+	 * @return The created ViewHolder with references to all the child view's members.
+	 */
+	@Override
+	public FileViewHolder onCreateViewHolder(ViewGroup parent, int viewType)
+	{
+		// Create a new view.
+		View listItem = LayoutInflater.from(parent.getContext())
+				.inflate(R.layout.list_item_file, parent, false);
+
+		listItem.setOnClickListener(this);
+
+		// Use that view to create a ViewHolder.
+		return new FileViewHolder(listItem);
+	}
+
+	/**
+	 * Called by the LayoutManager when a new view is not necessary because we can recycle
+	 * an existing one (for example, if a view just scrolled onto the screen from the bottom, we
+	 * can use the view that just scrolled off the top instead of inflating a new one.)
+	 *
+	 * @param holder   A ViewHolder representing the view we're recycling.
+	 * @param position The position of the 'new' view in the dataset.
+	 */
+	@Override
+	public void onBindViewHolder(FileViewHolder holder, int position)
+	{
+		// Get a reference to the item from the dataset; we'll use this to fill in the view contents.
+		final FileListItem file = mFileList.get(position);
+
+		// Fill in the view contents.
+		switch (file.getType())
+		{
+			case FileListItem.TYPE_FOLDER:
+				holder.imageType.setImageResource(R.drawable.ic_folder);
+				break;
+
+			case FileListItem.TYPE_GC:
+				holder.imageType.setImageResource(R.drawable.ic_gamecube);
+				break;
+
+			case FileListItem.TYPE_WII:
+				holder.imageType.setImageResource(R.drawable.ic_wii);
+				break;
+
+			case FileListItem.TYPE_OTHER:
+				holder.imageType.setImageResource(android.R.color.transparent);
+				break;
+		}
+
+		holder.textFileName.setText(file.getFilename());
+		holder.itemView.setTag(file.getPath());
+	}
+
+	/**
+	 * Called by the LayoutManager to find out how much data we have.
+	 *
+	 * @return Size of the dataset.
+	 */
+	@Override
+	public int getItemCount()
+	{
+		return mFileList.size();
+	}
+
+	@Override
+	public void onClick(View view)
+	{
+		String path = (String) view.getTag();
+
+		File clickedFile = new File(path);
+
+		if (clickedFile.isDirectory())
+		{
+			mFileList = generateFileList(clickedFile);
+			notifyDataSetChanged();
+		} else
+		{
+			// Pass the activity the path of the parent directory of the clicked file.
+			mListener.finishSuccessfully();
+		}
+	}
+
+	private ArrayList<FileListItem> generateFileList(File directory)
+	{
+		File[] children = directory.listFiles();
+		ArrayList<FileListItem> fileList = new ArrayList<FileListItem>(children.length);
+
+		for (File child : children)
+		{
+			if (!child.isHidden())
+			{
+				FileListItem item = new FileListItem(child);
+				fileList.add(item);
+			}
+		}
+
+		mPath = directory.getAbsolutePath();
+
+		Collections.sort(fileList);
+		return fileList;
+	}
+
+	public String getPath()
+	{
+		return mPath;
+	}
+
+	public void setPath(String path)
+	{
+		mPath = path;
+		File parentDirectory = new File(path);
+
+		mFileList = generateFileList(parentDirectory);
+		notifyDataSetChanged();
+	}
+
+	public static interface FileClickListener
+	{
+		public void finishSuccessfully();
+	}
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/adapters/GameAdapter.java

@@ -79,7 +79,6 @@ public class GameAdapter extends RecyclerView.Adapter<GameViewHolder>
 		holder.path = game.getPath();
 		holder.screenshotPath = game.getScreenPath();
 		holder.game = game;
-
 	}
 
 	/**
@@ -112,4 +111,10 @@ public class GameAdapter extends RecyclerView.Adapter<GameViewHolder>
 
 		}
 	}
+
+	public void setGameList(ArrayList<Game> gameList)
+	{
+		mGameList = gameList;
+		notifyDataSetChanged();
+	}
 }

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/model/FileListItem.java

@@ -0,0 +1,81 @@
+package org.dolphinemu.dolphinemu.model;
+
+
+import org.dolphinemu.dolphinemu.NativeLibrary;
+
+import java.io.File;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+public class FileListItem implements Comparable<FileListItem>
+{
+	public static final int TYPE_FOLDER = 0;
+	public static final int TYPE_GC = 1;
+	public static final int TYPE_WII = 2;
+	public static final int TYPE_OTHER = 3;
+
+	private int mType;
+	private String mFilename;
+	private String mPath;
+
+	public FileListItem(File file)
+	{
+		mPath = file.getAbsolutePath();
+
+		if (file.isDirectory())
+		{
+			mType = TYPE_FOLDER;
+		} else
+		{
+			String fileExtension = mPath.substring(mPath.lastIndexOf('.'));
+
+			// Extensions to filter by.
+			Set<String> allowedExtensions = new HashSet<String>(Arrays.asList(".dff", ".dol", ".elf", ".gcm", ".gcz", ".iso", ".wad", ".wbfs"));
+
+			// Check that the file has an appropriate extension before trying to read out of it.
+			if (allowedExtensions.contains(fileExtension))
+			{
+				mType = NativeLibrary.IsWiiTitle(mPath) ? TYPE_WII : TYPE_GC;
+			} else
+			{
+				mType = TYPE_OTHER;
+			}
+		}
+
+		mFilename = file.getName();
+	}
+
+	public int getType()
+	{
+		return mType;
+	}
+
+	public String getFilename()
+	{
+		return mFilename;
+	}
+
+	public String getPath()
+	{
+		return mPath;
+	}
+
+	@Override
+	public int compareTo(FileListItem theOther)
+	{
+		if (theOther.getType() == getType())
+		{
+			return getFilename().toLowerCase().compareTo(theOther.getFilename().toLowerCase());
+		} else
+		{
+			if (getType() > theOther.getType())
+			{
+				return 1;
+			} else
+			{
+				return -1;
+			}
+		}
+	}
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/viewholders/FileViewHolder.java

@@ -0,0 +1,27 @@
+package org.dolphinemu.dolphinemu.viewholders;
+
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import org.dolphinemu.dolphinemu.R;
+
+
+public class FileViewHolder extends RecyclerView.ViewHolder
+{
+	public View itemView;
+
+	public TextView textFileName;
+	public ImageView imageType;
+
+	public FileViewHolder(View itemView)
+	{
+		super(itemView);
+
+		this.itemView = itemView;
+
+		textFileName = (TextView) itemView.findViewById(R.id.text_file_name);
+		imageType = (ImageView) itemView.findViewById(R.id.image_type);
+	}
+}