Android: Support change disc

8 files changed, 79 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();
         }
diff --git a/Source/Android/app/src/main/res/layout/fragment_ingame_menu.xml b/Source/Android/app/src/main/res/layout/fragment_ingame_menu.xml
index 6aa1e9dc8b..8415a2045b 100644
--- a/Source/Android/app/src/main/res/layout/fragment_ingame_menu.xml
+++ b/Source/Android/app/src/main/res/layout/fragment_ingame_menu.xml
@@ -58,6 +58,11 @@
                 style="@style/InGameMenuOption"/>
 
             <Button
+                android:id="@+id/menu_change_disc"
+                android:text="@string/emulation_change_disc"
+                style="@style/InGameMenuOption"/>
+
+            <Button
                 android:id="@+id/menu_exit"
                 android:text="@string/emulation_exit"
                 style="@style/InGameMenuOption"/>
diff --git a/Source/Android/app/src/main/res/menu/menu_emulation.xml b/Source/Android/app/src/main/res/menu/menu_emulation.xml
index 0d6f424fe9..2dacda4668 100644
--- a/Source/Android/app/src/main/res/menu/menu_emulation.xml
+++ b/Source/Android/app/src/main/res/menu/menu_emulation.xml
@@ -1,5 +1,6 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:tools="http://schemas.android.com/tools"
+      xmlns:app="http://schemas.android.com/apk/res-auto"
       tools:context="org.dolphinemu.dolphinemu.activities.EmulationActivity">
 
     <item
@@ -95,4 +96,9 @@
         </menu>
     </item>
 
+    <item
+        android:id="@+id/menu_change_disc"
+        app:showAsAction="never"
+        android:title="@string/emulation_change_disc"/>
+
 </menu>
\ No newline at end of file
diff --git a/Source/Android/app/src/main/res/values/strings.xml b/Source/Android/app/src/main/res/values/strings.xml
index 0ec04a7971..8c1ed538ac 100644
--- a/Source/Android/app/src/main/res/values/strings.xml
+++ b/Source/Android/app/src/main/res/values/strings.xml
@@ -249,4 +249,6 @@
     <string name="write_permission_needed">You need to allow write access to external storage for the emulator to work</string>
 
     <string name="load_settings">Loading Settings...</string>
+
+    <string name="emulation_change_disc">Change Disc</string>
 </resources>
diff --git a/Source/Android/jni/MainAndroid.cpp b/Source/Android/jni/MainAndroid.cpp
index 85cea2092a..ad0c0cb7c6 100644
--- a/Source/Android/jni/MainAndroid.cpp
+++ b/Source/Android/jni/MainAndroid.cpp
@@ -32,6 +32,7 @@
 #include "Core/BootManager.h"
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"
+#include "Core/HW/DVD/DVDInterface.h"
 #include "Core/HW/Wiimote.h"
 #include "Core/HW/WiimoteReal/WiimoteReal.h"
 #include "Core/Host.h"
@@ -520,6 +521,10 @@ JNIEXPORT jboolean JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_IsRunnin
   return Core::IsRunning();
 }
 
+JNIEXPORT void JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_ChangeDisc(JNIEnv* env,
+                                                                               jobject obj,
+                                                                               jstring jFile);
+
 JNIEXPORT jboolean JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_onGamePadEvent(
     JNIEnv* env, jobject obj, jstring jDevice, jint Button, jint Action)
 {
@@ -869,6 +874,15 @@ Java_org_dolphinemu_dolphinemu_NativeLibrary_Run__Ljava_lang_String_2Ljava_lang_
   Run(GetJString(env, jFile), GetJString(env, jSavestate), jDeleteSavestate);
 }
 
+JNIEXPORT void JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_ChangeDisc(JNIEnv* env,
+                                                                               jobject obj,
+                                                                               jstring jFile)
+{
+  const std::string path = GetJString(env, jFile);
+  __android_log_print(ANDROID_LOG_INFO, DOLPHIN_TAG, "Change Disc: %s", path.c_str());
+  Core::RunAsCPUThread([&path] { DVDInterface::ChangeDisc(path); });
+}
+
 #ifdef __cplusplus
 }
 #endif