Android: Support opening files directly

This enables us to boot FIFO logs as well as homebrew directly, without
having to add it to the game list first.

6 files changed, 87 insertions, 3 deletions

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 a49db4197f..259767ff86 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
@@ -198,6 +198,38 @@ public final class EmulationActivity extends AppCompatActivity
     activity.startActivity(launcher);
   }
 
+  public static void launchFile(FragmentActivity activity, String[] filePaths)
+  {
+    Intent launcher = new Intent(activity, EmulationActivity.class);
+    launcher.putExtra(EXTRA_SELECTED_GAMES, filePaths);
+
+    // Try parsing a GameFile first. This should succeed for disc images.
+    GameFile gameFile = GameFile.parse(filePaths[0]);
+    if (gameFile != null)
+    {
+      // We don't want to pollute the game file cache with this new file,
+      // so we can't just call launch() and let it handle the setup.
+      launcher.putExtra(EXTRA_SELECTED_TITLE, gameFile.getTitle());
+      launcher.putExtra(EXTRA_SELECTED_GAMEID, gameFile.getGameId());
+      launcher.putExtra(EXTRA_PLATFORM, gameFile.getPlatform());
+    }
+    else
+    {
+      // Display the path to the file as the game title in the menu.
+      launcher.putExtra(EXTRA_SELECTED_TITLE, filePaths);
+
+      // Use 00000000 as the game ID. This should match the Desktop version behavior.
+      // TODO: This should really be pulled from the Core.
+      launcher.putExtra(EXTRA_SELECTED_GAMEID, "00000000");
+
+      // GameFile might be a FIFO log. Assume GameCube for the platform. It doesn't really matter
+      // anyway, since this only controls the input, and the FIFO player doesn't take any input.
+      launcher.putExtra(EXTRA_PLATFORM, Platform.GAMECUBE);
+    }
+
+    activity.startActivity(launcher);
+  }
+
   @Override
   protected void onCreate(Bundle savedInstanceState)
   {
@@ -589,7 +621,7 @@ public final class EmulationActivity extends AppCompatActivity
         return;
 
       case MENU_ACTION_CHANGE_DISC:
-        FileBrowserHelper.openFilePicker(this, REQUEST_CHANGE_DISC);
+        FileBrowserHelper.openFilePicker(this, REQUEST_CHANGE_DISC, false);
         return;
 
       case MENU_SET_IR_SENSITIVITY:
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainActivity.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainActivity.java
index 4aed5bf166..84506567fd 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainActivity.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainActivity.java
@@ -16,6 +16,7 @@ import android.view.View;
 import android.widget.Toast;
 
 import org.dolphinemu.dolphinemu.R;
+import org.dolphinemu.dolphinemu.activities.EmulationActivity;
 import org.dolphinemu.dolphinemu.adapters.PlatformPagerAdapter;
 import org.dolphinemu.dolphinemu.features.settings.ui.MenuTag;
 import org.dolphinemu.dolphinemu.features.settings.ui.SettingsActivity;
@@ -143,6 +144,12 @@ public final class MainActivity extends AppCompatActivity implements MainView
     FileBrowserHelper.openDirectoryPicker(this);
   }
 
+  @Override
+  public void launchOpenFileActivity()
+  {
+    FileBrowserHelper.openFilePicker(this, MainPresenter.REQUEST_OPEN_FILE, true);
+  }
+
   /**
    * @param requestCode An int describing whether the Activity that is returning did so successfully.
    * @param resultCode  An int describing what Activity is giving us this callback.
@@ -160,6 +167,14 @@ public final class MainActivity extends AppCompatActivity implements MainView
           mPresenter.onDirectorySelected(FileBrowserHelper.getSelectedDirectory(result));
         }
         break;
+
+      case MainPresenter.REQUEST_OPEN_FILE:
+        // If the user picked a file, as opposed to just backing out.
+        if (resultCode == MainActivity.RESULT_OK)
+        {
+          EmulationActivity.launchFile(this, FileBrowserHelper.getSelectedFiles(result));
+        }
+        break;
     }
   }
 
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainPresenter.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainPresenter.java
index 29afda89fe..54ef3cf377 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainPresenter.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainPresenter.java
@@ -15,6 +15,7 @@ import org.dolphinemu.dolphinemu.services.GameFileCacheService;
 public final class MainPresenter
 {
   public static final int REQUEST_ADD_DIRECTORY = 1;
+  public static final int REQUEST_OPEN_FILE = 2;
 
   private final MainView mView;
   private final Context mContext;
@@ -85,6 +86,10 @@ public final class MainPresenter
       case R.id.button_add_directory:
         mView.launchFileListActivity();
         return true;
+
+      case R.id.menu_open_file:
+        mView.launchOpenFileActivity();
+        return true;
     }
 
     return false;
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainView.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainView.java
index d9ef95cdf1..5e3dc6243e 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainView.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainView.java
@@ -21,6 +21,8 @@ public interface MainView
 
   void launchFileListActivity();
 
+  void launchOpenFileActivity();
+
   /**
    * To be called when the game file cache is updated.
    */
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/TvMainActivity.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/TvMainActivity.java
index 0457de51e6..c3acef8add 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/TvMainActivity.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/TvMainActivity.java
@@ -144,6 +144,12 @@ public final class TvMainActivity extends FragmentActivity implements MainView
   }
 
   @Override
+  public void launchOpenFileActivity()
+  {
+    FileBrowserHelper.openFilePicker(this, MainPresenter.REQUEST_OPEN_FILE, true);
+  }
+
+  @Override
   public void showGames()
   {
     // Kicks off the program services to update all channels
@@ -171,6 +177,14 @@ public final class TvMainActivity extends FragmentActivity implements MainView
           mPresenter.onDirectorySelected(FileBrowserHelper.getSelectedDirectory(result));
         }
         break;
+
+      case MainPresenter.REQUEST_OPEN_FILE:
+        // If the user picked a file, as opposed to just backing out.
+        if (resultCode == MainActivity.RESULT_OK)
+        {
+          EmulationActivity.launchFile(this, FileBrowserHelper.getSelectedFiles(result));
+        }
+        break;
     }
   }
 
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 22e574aa0a..8e94bf3153 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
@@ -30,11 +30,11 @@ public final class FileBrowserHelper
     activity.startActivityForResult(i, MainPresenter.REQUEST_ADD_DIRECTORY);
   }
 
-  public static void openFilePicker(FragmentActivity activity, int requestCode)
+  public static void openFilePicker(FragmentActivity activity, int requestCode, boolean allowMulti)
   {
     Intent i = new Intent(activity, CustomFilePickerActivity.class);
 
-    i.putExtra(FilePickerActivity.EXTRA_ALLOW_MULTIPLE, false);
+    i.putExtra(FilePickerActivity.EXTRA_ALLOW_MULTIPLE, allowMulti);
     i.putExtra(FilePickerActivity.EXTRA_ALLOW_CREATE_DIR, false);
     i.putExtra(FilePickerActivity.EXTRA_MODE, FilePickerActivity.MODE_FILE);
     i.putExtra(FilePickerActivity.EXTRA_START_PATH,
@@ -56,4 +56,20 @@ public final class FileBrowserHelper
 
     return null;
   }
+
+  @Nullable
+  public static String[] getSelectedFiles(Intent result)
+  {
+    // Use the provided utility method to parse the result
+    List<Uri> files = Utils.getSelectedFilesFromResult(result);
+    if (!files.isEmpty())
+    {
+      String[] paths = new String[files.size()];
+      for (int i = 0; i < files.size(); i++)
+        paths[i] = Utils.getFileForUri(files.get(i)).getAbsolutePath();
+      return paths;
+    }
+
+    return null;
+  }
 }