Android: Convert AppLinkHelper to Kotlin

2 files changed, 117 insertions, 164 deletions

diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/AppLinkHelper.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/AppLinkHelper.java
deleted file mode 100644
index c2f341e116..0000000000
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/AppLinkHelper.java
+++ /dev/null
@@ -1,164 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-package org.dolphinemu.dolphinemu.utils;
-
-import android.net.Uri;
-
-import androidx.annotation.StringDef;
-
-import org.dolphinemu.dolphinemu.ui.platform.PlatformTab;
-
-import java.util.List;
-
-/**
- * Helps link home screen selection to a game.
- */
-public class AppLinkHelper
-{
-  public static final String PLAY = "play";
-  public static final String BROWSE = "browse";
-  private static final String SCHEMA_URI_PREFIX = "dolphinemu://app/";
-  private static final String URI_PLAY = SCHEMA_URI_PREFIX + PLAY;
-  private static final String URI_VIEW = SCHEMA_URI_PREFIX + BROWSE;
-  private static final int URI_INDEX_OPTION = 0;
-  private static final int URI_INDEX_CHANNEL = 1;
-  private static final int URI_INDEX_GAME = 2;
-
-  public static Uri buildGameUri(long channelId, String gameId)
-  {
-    return Uri.parse(URI_PLAY)
-            .buildUpon()
-            .appendPath(String.valueOf(channelId))
-            .appendPath(String.valueOf(gameId))
-            .build();
-  }
-
-  public static Uri buildBrowseUri(PlatformTab platformTab)
-  {
-    return Uri.parse(URI_VIEW).buildUpon().appendPath(platformTab.getIdString()).build();
-  }
-
-  public static AppLinkAction extractAction(Uri uri)
-  {
-    if (isGameUri(uri))
-      return new PlayAction(extractChannelId(uri), extractGameId(uri));
-    else if (isBrowseUri(uri))
-      return new BrowseAction(extractSubscriptionName(uri));
-
-    throw new IllegalArgumentException("No action found for uri " + uri);
-  }
-
-  private static boolean isGameUri(Uri uri)
-  {
-    if (uri.getPathSegments().isEmpty())
-    {
-      return false;
-    }
-    String option = uri.getPathSegments().get(URI_INDEX_OPTION);
-    return PLAY.equals(option);
-  }
-
-  private static boolean isBrowseUri(Uri uri)
-  {
-    if (uri.getPathSegments().isEmpty())
-      return false;
-
-    String option = uri.getPathSegments().get(URI_INDEX_OPTION);
-    return BROWSE.equals(option);
-  }
-
-  private static String extractSubscriptionName(Uri uri)
-  {
-    return extract(uri, URI_INDEX_CHANNEL);
-  }
-
-  private static long extractChannelId(Uri uri)
-  {
-    return extractLong(uri, URI_INDEX_CHANNEL);
-  }
-
-  private static String extractGameId(Uri uri)
-  {
-    return extract(uri, URI_INDEX_GAME);
-  }
-
-  private static long extractLong(Uri uri, int index)
-  {
-    return Long.parseLong(extract(uri, index));
-  }
-
-  private static String extract(Uri uri, int index)
-  {
-    List<String> pathSegments = uri.getPathSegments();
-    if (pathSegments.isEmpty() || pathSegments.size() < index)
-      return null;
-    return pathSegments.get(index);
-  }
-
-  @StringDef({BROWSE, PLAY})
-  public @interface ActionFlags
-  {
-  }
-
-  /**
-   * Action for deep linking.
-   */
-  public interface AppLinkAction
-  {
-    /**
-     * Returns an string representation of the action.
-     */
-    @ActionFlags
-    String getAction();
-  }
-
-  /**
-   * Action when clicking the channel icon
-   */
-  public static class BrowseAction implements AppLinkAction
-  {
-    private final String mSubscriptionName;
-
-    private BrowseAction(String subscriptionName)
-    {
-      this.mSubscriptionName = subscriptionName;
-    }
-
-    @Override
-    public String getAction()
-    {
-      return BROWSE;
-    }
-  }
-
-  /**
-   * Action when clicking a program(game)
-   */
-  public static class PlayAction implements AppLinkAction
-  {
-    private final long channelId;
-    private final String gameId;
-
-    private PlayAction(long channelId, String gameId)
-    {
-      this.channelId = channelId;
-      this.gameId = gameId;
-    }
-
-    public long getChannelId()
-    {
-      return channelId;
-    }
-
-    public String getGameId()
-    {
-      return gameId;
-    }
-
-    @Override
-    public String getAction()
-    {
-      return PLAY;
-    }
-  }
-}
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/AppLinkHelper.kt b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/AppLinkHelper.kt
new file mode 100644
index 0000000000..69cbcb4547
--- /dev/null
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/AppLinkHelper.kt
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.utils
+
+import android.net.Uri
+import androidx.annotation.StringDef
+import org.dolphinemu.dolphinemu.ui.platform.PlatformTab
+
+/**
+ * Helps link home screen selection to a game.
+ */
+object AppLinkHelper {
+    const val PLAY = "play"
+    const val BROWSE = "browse"
+    private const val SCHEMA_URI_PREFIX = "dolphinemu://app/"
+    private const val URI_PLAY = SCHEMA_URI_PREFIX + PLAY
+    private const val URI_VIEW = SCHEMA_URI_PREFIX + BROWSE
+    private const val URI_INDEX_OPTION = 0
+    private const val URI_INDEX_CHANNEL = 1
+    private const val URI_INDEX_GAME = 2
+
+    @JvmStatic
+    fun buildGameUri(channelId: Long, gameId: String): Uri {
+        return Uri.parse(URI_PLAY).buildUpon().appendPath(channelId.toString()).appendPath(gameId)
+            .build()
+    }
+
+    @JvmStatic
+    fun buildBrowseUri(platformTab: PlatformTab): Uri {
+        return Uri.parse(URI_VIEW).buildUpon().appendPath(platformTab.idString).build()
+    }
+
+    @JvmStatic
+    fun extractAction(uri: Uri): AppLinkAction {
+        if (isGameUri(uri)) {
+            return PlayAction(extractChannelId(uri), extractGameId(uri))
+        } else if (isBrowseUri(uri)) {
+            return BrowseAction(extractSubscriptionName(uri))
+        }
+
+        throw IllegalArgumentException("No action found for uri $uri")
+    }
+
+    private fun isGameUri(uri: Uri): Boolean {
+        if (uri.pathSegments.isEmpty()) {
+            return false
+        }
+        val option = uri.pathSegments[URI_INDEX_OPTION]
+        return PLAY == option
+    }
+
+    private fun isBrowseUri(uri: Uri): Boolean {
+        if (uri.pathSegments.isEmpty()) {
+            return false
+        }
+
+        val option = uri.pathSegments[URI_INDEX_OPTION]
+        return BROWSE == option
+    }
+
+    private fun extractSubscriptionName(uri: Uri): String {
+        return extract(uri, URI_INDEX_CHANNEL)!!
+    }
+
+    private fun extractChannelId(uri: Uri): Long {
+        return extractLong(uri, URI_INDEX_CHANNEL)
+    }
+
+    private fun extractGameId(uri: Uri): String {
+        return extract(uri, URI_INDEX_GAME)!!
+    }
+
+    private fun extractLong(uri: Uri, index: Int): Long {
+        return java.lang.Long.parseLong(extract(uri, index)!!)
+    }
+
+    private fun extract(uri: Uri, index: Int): String? {
+        val pathSegments = uri.pathSegments
+        if (pathSegments.isEmpty() || pathSegments.size < index) {
+            return null
+        }
+        return pathSegments[index]
+    }
+
+    @StringDef(BROWSE, PLAY)
+    @Retention(AnnotationRetention.SOURCE)
+    annotation class ActionFlags
+
+    /**
+     * Action for deep linking.
+     */
+    interface AppLinkAction {
+        /**
+         * Returns an string representation of the action.
+         */
+        @get:ActionFlags
+        val action: String
+    }
+
+    /**
+     * Action when clicking the channel icon
+     */
+    class BrowseAction(private val subscriptionName: String) : AppLinkAction {
+        override val action: String
+            get() = BROWSE
+    }
+
+    /**
+     * Action when clicking a program (game)
+     */
+    class PlayAction(
+        val channelId: Long, val gameId: String
+    ) : AppLinkAction {
+        override val action: String
+            get() = PLAY
+    }
+}