Android: Support change disc

4 files changed, 52 insertions, 5 deletions

diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/NativeLibrary.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/NativeLibrary.java
index d7e0e50f00..f013523f5a 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/NativeLibrary.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/NativeLibrary.java
@@ -350,6 +350,8 @@ public final class NativeLibrary
 	 */
 	public static native void Run(String path, String savestatePath, boolean deleteSavestate);
 
+	public static native void ChangeDisc(String path);
+
 	// Surface Handling
 	public static native void SurfaceChanged(Surface surf);
 	public static native void SurfaceDestroyed();
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/EmulationActivity.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/EmulationActivity.java
index 80972f0c7f..217ba73336 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/EmulationActivity.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/EmulationActivity.java
@@ -14,6 +14,7 @@ import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.app.FragmentManager;
 import android.support.v7.app.AppCompatActivity;
+import android.text.TextUtils;
 import android.util.SparseIntArray;
 import android.view.InputDevice;
 import android.view.KeyEvent;
@@ -35,10 +36,12 @@ import org.dolphinemu.dolphinemu.R;
 import org.dolphinemu.dolphinemu.fragments.EmulationFragment;
 import org.dolphinemu.dolphinemu.fragments.MenuFragment;
 import org.dolphinemu.dolphinemu.fragments.SaveLoadStateFragment;
+import org.dolphinemu.dolphinemu.ui.main.MainActivity;
 import org.dolphinemu.dolphinemu.ui.main.MainPresenter;
 import org.dolphinemu.dolphinemu.ui.platform.Platform;
 import org.dolphinemu.dolphinemu.utils.Animations;
 import org.dolphinemu.dolphinemu.utils.ControllerMappingHelper;
+import org.dolphinemu.dolphinemu.utils.FileBrowserHelper;
 import org.dolphinemu.dolphinemu.utils.Java_GCAdapter;
 import org.dolphinemu.dolphinemu.utils.Java_WiimoteAdapter;
 
@@ -51,6 +54,8 @@ public final class EmulationActivity extends AppCompatActivity
 {
 	private static final String BACKSTACK_NAME_MENU = "menu";
 	private static final String BACKSTACK_NAME_SUBMENU = "submenu";
+	public static final int REQUEST_CHANGE_DISC = 1;
+
 	private View mDecorView;
 	private ImageView mImageView;
 	private EmulationFragment mEmulationFragment;
@@ -84,7 +89,7 @@ public final class EmulationActivity extends AppCompatActivity
 			MENU_ACTION_SAVE_SLOT3, MENU_ACTION_SAVE_SLOT4, MENU_ACTION_SAVE_SLOT5,
 			MENU_ACTION_SAVE_SLOT6, MENU_ACTION_LOAD_SLOT1, MENU_ACTION_LOAD_SLOT2,
 			MENU_ACTION_LOAD_SLOT3, MENU_ACTION_LOAD_SLOT4, MENU_ACTION_LOAD_SLOT5,
-			MENU_ACTION_LOAD_SLOT6, MENU_ACTION_EXIT})
+			MENU_ACTION_LOAD_SLOT6, MENU_ACTION_EXIT, MENU_ACTION_CHANGE_DISC})
 	public @interface MenuAction {
 	}
 
@@ -111,6 +116,7 @@ public final class EmulationActivity extends AppCompatActivity
 	public static final int MENU_ACTION_LOAD_SLOT5 = 20;
 	public static final int MENU_ACTION_LOAD_SLOT6 = 21;
 	public static final int MENU_ACTION_EXIT = 22;
+	public static final int MENU_ACTION_CHANGE_DISC = 23;
 
 
 	private static SparseIntArray buttonsActionsMap = new SparseIntArray();
@@ -136,6 +142,7 @@ public final class EmulationActivity extends AppCompatActivity
 		buttonsActionsMap.append(R.id.menu_emulation_load_3, EmulationActivity.MENU_ACTION_LOAD_SLOT3);
 		buttonsActionsMap.append(R.id.menu_emulation_load_4, EmulationActivity.MENU_ACTION_LOAD_SLOT4);
 		buttonsActionsMap.append(R.id.menu_emulation_load_5, EmulationActivity.MENU_ACTION_LOAD_SLOT5);
+		buttonsActionsMap.append(R.id.menu_change_disc, EmulationActivity.MENU_ACTION_CHANGE_DISC);
 		buttonsActionsMap.append(R.id.menu_exit, EmulationActivity.MENU_ACTION_EXIT);
 	}
 
@@ -310,6 +317,25 @@ public final class EmulationActivity extends AppCompatActivity
 
 	}
 
+	@Override
+	protected void onActivityResult(int requestCode, int resultCode, Intent result)
+	{
+		switch (requestCode)
+		{
+			case REQUEST_CHANGE_DISC:
+				// If the user picked a file, as opposed to just backing out.
+				if (resultCode == MainActivity.RESULT_OK)
+				{
+					String newDiscPath = FileBrowserHelper.getSelectedDirectory(result);
+					if (!TextUtils.isEmpty(newDiscPath))
+					{
+						NativeLibrary.ChangeDisc(newDiscPath);
+					}
+				}
+				break;
+		}
+	}
+
 	private void enableFullscreenImmersive()
 	{
 		// It would be nice to use IMMERSIVE_STICKY, but that doesn't show the toolbar.
@@ -518,6 +544,10 @@ public final class EmulationActivity extends AppCompatActivity
 				NativeLibrary.LoadState(5);
 				return;
 
+			case MENU_ACTION_CHANGE_DISC:
+				FileBrowserHelper.openFilePicker(this, REQUEST_CHANGE_DISC);
+				return;
+
 			case MENU_ACTION_EXIT:
 				toggleMenu();  // Hide the menu (it will be showing since we just clicked it)
 				mEmulationFragment.stopEmulation();
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/MenuFragment.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/MenuFragment.java
index 34898e8f8b..52b36af1bd 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/MenuFragment.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/MenuFragment.java
@@ -25,6 +25,7 @@ public final class MenuFragment extends Fragment implements View.OnClickListener
 		buttonsActionsMap.append(R.id.menu_emulation_save_root, EmulationActivity.MENU_ACTION_SAVE_ROOT);
 		buttonsActionsMap.append(R.id.menu_emulation_load_root, EmulationActivity.MENU_ACTION_LOAD_ROOT);
 		buttonsActionsMap.append(R.id.menu_refresh_wiimotes, EmulationActivity.MENU_ACTION_REFRESH_WIIMOTES);
+		buttonsActionsMap.append(R.id.menu_change_disc, EmulationActivity.MENU_ACTION_CHANGE_DISC);
 		buttonsActionsMap.append(R.id.menu_exit, EmulationActivity.MENU_ACTION_EXIT);
 	}
 
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/FileBrowserHelper.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/FileBrowserHelper.java
index e2fe1cf818..327988271b 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/FileBrowserHelper.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/FileBrowserHelper.java
@@ -1,6 +1,5 @@
 package org.dolphinemu.dolphinemu.utils;
 
-import android.content.Context;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Environment;
@@ -18,7 +17,8 @@ import java.util.List;
 
 public final class FileBrowserHelper
 {
-    public static void openDirectoryPicker(FragmentActivity activity) {
+    public static void openDirectoryPicker(FragmentActivity activity)
+    {
         Intent i = new Intent(activity, CustomFilePickerActivity.class);
 
         i.putExtra(FilePickerActivity.EXTRA_ALLOW_MULTIPLE, false);
@@ -29,11 +29,25 @@ public final class FileBrowserHelper
         activity.startActivityForResult(i, MainPresenter.REQUEST_ADD_DIRECTORY);
     }
 
+    public static void openFilePicker(FragmentActivity activity, int requestCode)
+    {
+        Intent i = new Intent(activity, CustomFilePickerActivity.class);
+
+        i.putExtra(FilePickerActivity.EXTRA_ALLOW_MULTIPLE, false);
+        i.putExtra(FilePickerActivity.EXTRA_ALLOW_CREATE_DIR, false);
+        i.putExtra(FilePickerActivity.EXTRA_MODE, FilePickerActivity.MODE_FILE);
+        i.putExtra(FilePickerActivity.EXTRA_START_PATH, Environment.getExternalStorageDirectory().getPath());
+
+        activity.startActivityForResult(i, requestCode);
+    }
+
     @Nullable
-    public static String getSelectedDirectory(Intent result) {
+    public static String getSelectedDirectory(Intent result)
+    {
         // Use the provided utility method to parse the result
         List<Uri> files = Utils.getSelectedFilesFromResult(result);
-        if(!files.isEmpty()) {
+        if (!files.isEmpty())
+        {
             File file = Utils.getFileForUri(files.get(0));
             return file.getAbsolutePath();
         }