Android: Move "skip scanning" logic to MainPresenter

Deduplicates code between MainActivity and TvMainActivity.

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

@@ -44,16 +44,13 @@ import org.dolphinemu.dolphinemu.fragments.MenuFragment;
 import org.dolphinemu.dolphinemu.fragments.SaveLoadStateFragment;
 import org.dolphinemu.dolphinemu.overlay.InputOverlay;
 import org.dolphinemu.dolphinemu.overlay.InputOverlayPointer;
-import org.dolphinemu.dolphinemu.ui.main.MainActivity;
 import org.dolphinemu.dolphinemu.ui.main.MainPresenter;
-import org.dolphinemu.dolphinemu.ui.main.TvMainActivity;
 import org.dolphinemu.dolphinemu.utils.AfterDirectoryInitializationRunner;
 import org.dolphinemu.dolphinemu.utils.ControllerMappingHelper;
 import org.dolphinemu.dolphinemu.utils.FileBrowserHelper;
 import org.dolphinemu.dolphinemu.utils.IniFile;
 import org.dolphinemu.dolphinemu.utils.MotionListener;
 import org.dolphinemu.dolphinemu.utils.Rumble;
-import org.dolphinemu.dolphinemu.utils.TvUtil;
 
 import java.io.File;
 import java.lang.annotation.Retention;
@@ -245,14 +242,7 @@ public final class EmulationActivity extends AppCompatActivity
   {
     super.onCreate(savedInstanceState);
 
-    if (TvUtil.isLeanback(getApplicationContext()))
+    MainPresenter.skipRescanningLibrary();
-    {
-      TvMainActivity.skipRescanningLibrary();
-    }
-    else
-    {
-      MainActivity.skipRescanningLibrary();
-    }
 
     if (savedInstanceState == null)
     {
@@ -414,7 +404,7 @@ public final class EmulationActivity extends AppCompatActivity
     if (requestCode == REQUEST_CHANGE_DISC)
     {
       // If the user picked a file, as opposed to just backing out.
-      if (resultCode == MainActivity.RESULT_OK)
+      if (resultCode == RESULT_OK)
       {
         NativeLibrary.ChangeDisc(result.getData().toString());
       }

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsActivity.java

@@ -19,11 +19,8 @@ import androidx.lifecycle.ViewModelProvider;
 
 import org.dolphinemu.dolphinemu.NativeLibrary;
 import org.dolphinemu.dolphinemu.R;
-import org.dolphinemu.dolphinemu.ui.main.MainActivity;
 import org.dolphinemu.dolphinemu.ui.main.MainPresenter;
-import org.dolphinemu.dolphinemu.ui.main.TvMainActivity;
 import org.dolphinemu.dolphinemu.utils.FileBrowserHelper;
-import org.dolphinemu.dolphinemu.utils.TvUtil;
 
 import java.util.Set;
 
@@ -62,14 +59,7 @@ public final class SettingsActivity extends AppCompatActivity implements Setting
   {
     super.onCreate(savedInstanceState);
 
-    if (TvUtil.isLeanback(getApplicationContext()))
+    MainPresenter.skipRescanningLibrary();
-    {
-      TvMainActivity.skipRescanningLibrary();
-    }
-    else
-    {
-      MainActivity.skipRescanningLibrary();
-    }
 
     setContentView(R.layout.activity_settings);
 
@@ -179,7 +169,7 @@ public final class SettingsActivity extends AppCompatActivity implements Setting
     super.onActivityResult(requestCode, resultCode, result);
 
     // If the user picked a file, as opposed to just backing out.
-    if (resultCode == MainActivity.RESULT_OK)
+    if (resultCode == RESULT_OK)
     {
       if (requestCode != MainPresenter.REQUEST_DIRECTORY)
       {

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainActivity.java

@@ -47,7 +47,6 @@ public final class MainActivity extends AppCompatActivity
   private Toolbar mToolbar;
   private TabLayout mTabLayout;
   private FloatingActionButton mFab;
-  private static boolean sShouldRescanLibrary = true;
 
   private final MainPresenter mPresenter = new MainPresenter(this, this);
 
@@ -82,7 +81,7 @@ public final class MainActivity extends AppCompatActivity
   {
     super.onResume();
 
-    boolean cacheAlreadyLoading = GameFileCacheService.isLoading();
+    mPresenter.onResume();
 
     if (DirectoryInitialization.shouldStart(this))
     {
@@ -91,22 +90,9 @@ public final class MainActivity extends AppCompatActivity
               .run(this, false, this::setPlatformTabsAndStartGameFileCacheService);
     }
 
-    mPresenter.addDirIfNeeded();
-
     // In case the user changed a setting that affects how games are displayed,
     // such as system language, cover downloading...
     forEachPlatformGamesView(PlatformGamesView::refetchMetadata);
-
-    if (sShouldRescanLibrary && !cacheAlreadyLoading)
-    {
-      new AfterDirectoryInitializationRunner().run(this, false, () ->
-      {
-        setRefreshing(true);
-        GameFileCacheService.startRescan(this);
-      });
-    }
-
-    sShouldRescanLibrary = true;
   }
 
   @Override
@@ -129,7 +115,7 @@ public final class MainActivity extends AppCompatActivity
     super.onStop();
     if (isChangingConfigurations())
     {
-      skipRescanningLibrary();
+      MainPresenter.skipRescanningLibrary();
     }
     StartupHandler.setSessionTime(this);
   }
@@ -201,7 +187,7 @@ public final class MainActivity extends AppCompatActivity
     super.onActivityResult(requestCode, resultCode, result);
 
     // If the user picked a file, as opposed to just backing out.
-    if (resultCode == MainActivity.RESULT_OK)
+    if (resultCode == RESULT_OK)
     {
       Uri uri = result.getData();
       switch (requestCode)
@@ -236,7 +222,7 @@ public final class MainActivity extends AppCompatActivity
     }
     else
     {
-      skipRescanningLibrary();
+      MainPresenter.skipRescanningLibrary();
     }
   }
 
@@ -353,9 +339,4 @@ public final class MainActivity extends AppCompatActivity
     showGames();
     GameFileCacheService.startLoad(this);
   }
-
-  public static void skipRescanningLibrary()
-  {
-    sShouldRescanLibrary = false;
-  }
 }

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainPresenter.java

@@ -36,6 +36,8 @@ public final class MainPresenter
   public static final int REQUEST_WAD_FILE = 4;
   public static final int REQUEST_WII_SAVE_FILE = 5;
 
+  private static boolean sShouldRescanLibrary = true;
+
   private final MainView mView;
   private final Context mContext;
   private BroadcastReceiver mBroadcastReceiver = null;
@@ -122,13 +124,24 @@ public final class MainPresenter
     return false;
   }
 
-  public void addDirIfNeeded()
+  public void onResume()
   {
     if (mDirToAdd != null)
     {
       GameFileCache.addGameFolder(mDirToAdd);
       mDirToAdd = null;
     }
+
+    if (sShouldRescanLibrary && !GameFileCacheService.isLoading())
+    {
+      new AfterDirectoryInitializationRunner().run(mContext, false, () ->
+      {
+        mView.setRefreshing(true);
+        GameFileCacheService.startRescan(mContext);
+      });
+    }
+
+    sShouldRescanLibrary = true;
   }
 
   /**
@@ -263,4 +276,9 @@ public final class MainPresenter
       });
     }, mContext.getResources().getString(progressMessage)).start();
   }
+
+  public static void skipRescanningLibrary()
+  {
+    sShouldRescanLibrary = false;
+  }
 }

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/TvMainActivity.java

@@ -28,7 +28,6 @@ import org.dolphinemu.dolphinemu.model.GameFile;
 import org.dolphinemu.dolphinemu.model.TvSettingsItem;
 import org.dolphinemu.dolphinemu.services.GameFileCacheService;
 import org.dolphinemu.dolphinemu.ui.platform.Platform;
-import org.dolphinemu.dolphinemu.utils.AfterDirectoryInitializationRunner;
 import org.dolphinemu.dolphinemu.utils.DirectoryInitialization;
 import org.dolphinemu.dolphinemu.utils.FileBrowserHelper;
 import org.dolphinemu.dolphinemu.utils.PermissionsHandler;
@@ -42,8 +41,6 @@ import java.util.Collection;
 public final class TvMainActivity extends FragmentActivity
         implements MainView, SwipeRefreshLayout.OnRefreshListener
 {
-  private static boolean sShouldRescanLibrary = true;
-
   private final MainPresenter mPresenter = new MainPresenter(this, this);
 
   private SwipeRefreshLayout mSwipeRefresh;
@@ -74,7 +71,7 @@ public final class TvMainActivity extends FragmentActivity
   {
     super.onResume();
 
-    boolean cacheAlreadyLoading = GameFileCacheService.isLoading();
+    mPresenter.onResume();
 
     if (DirectoryInitialization.shouldStart(this))
     {
@@ -82,22 +79,9 @@ public final class TvMainActivity extends FragmentActivity
       GameFileCacheService.startLoad(this);
     }
 
-    mPresenter.addDirIfNeeded();
-
     // In case the user changed a setting that affects how games are displayed,
     // such as system language, cover downloading...
     refetchMetadata();
-
-    if (sShouldRescanLibrary && !cacheAlreadyLoading)
-    {
-      new AfterDirectoryInitializationRunner().run(this, false, () ->
-      {
-        setRefreshing(true);
-        GameFileCacheService.startRescan(this);
-      });
-    }
-
-    sShouldRescanLibrary = true;
   }
 
   @Override
@@ -118,10 +102,12 @@ public final class TvMainActivity extends FragmentActivity
   protected void onStop()
   {
     super.onStop();
+
     if (isChangingConfigurations())
     {
-      skipRescanningLibrary();
+      MainPresenter.skipRescanningLibrary();
     }
+
     StartupHandler.setSessionTime(this);
   }
 
@@ -247,7 +233,7 @@ public final class TvMainActivity extends FragmentActivity
     super.onActivityResult(requestCode, resultCode, result);
 
     // If the user picked a file, as opposed to just backing out.
-    if (resultCode == MainActivity.RESULT_OK)
+    if (resultCode == RESULT_OK)
     {
       Uri uri = result.getData();
       switch (requestCode)
@@ -282,7 +268,7 @@ public final class TvMainActivity extends FragmentActivity
     }
     else
     {
-      skipRescanningLibrary();
+      MainPresenter.skipRescanningLibrary();
     }
   }
 
@@ -398,9 +384,4 @@ public final class TvMainActivity extends FragmentActivity
 
     return new ListRow(header, rowItems);
   }
-
-  public static void skipRescanningLibrary()
-  {
-    sShouldRescanLibrary = false;
-  }
 }