WiiUpdateCallback: Add interface for update callback

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/WiiUpdateCallback.java

@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.utils;
+
+import androidx.annotation.Keep;
+
+public interface WiiUpdateCallback
+{
+  @Keep
+  boolean run(int processed, int total, long titleId);
+}

Source/Android/jni/AndroidCommon/IDCache.cpp

@@ -73,6 +73,9 @@ static jmethodID s_patch_cheat_constructor;
 static jclass s_riivolution_patches_class;
 static jfieldID s_riivolution_patches_pointer;
 
+static jclass s_wii_update_cb_class;
+static jmethodID s_wii_update_cb_run;
+
 namespace IDCache
 {
 JNIEnv* GetEnvForThread()
@@ -338,6 +341,16 @@ jfieldID GetRiivolutionPatchesPointer()
   return s_riivolution_patches_pointer;
 }
 
+jclass GetWiiUpdateCallbackClass()
+{
+  return s_wii_update_cb_class;
+}
+
+jmethodID GetWiiUpdateCallbackFunction()
+{
+  return s_wii_update_cb_run;
+}
+
 }  // namespace IDCache
 
 extern "C" {
@@ -474,6 +487,12 @@ JNIEXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved)
   s_riivolution_patches_pointer = env->GetFieldID(riivolution_patches_class, "mPointer", "J");
   env->DeleteLocalRef(riivolution_patches_class);
 
+  const jclass wii_update_cb_class =
+      env->FindClass("org/dolphinemu/dolphinemu/utils/WiiUpdateCallback");
+  s_wii_update_cb_class = reinterpret_cast<jclass>(env->NewGlobalRef(wii_update_cb_class));
+  s_wii_update_cb_run = env->GetMethodID(s_wii_update_cb_class, "run", "(IIJ)Z");
+  env->DeleteLocalRef(wii_update_cb_class);
+
   return JNI_VERSION;
 }
 
@@ -498,5 +517,6 @@ JNIEXPORT void JNI_OnUnload(JavaVM* vm, void* reserved)
   env->DeleteGlobalRef(s_gecko_cheat_class);
   env->DeleteGlobalRef(s_patch_cheat_class);
   env->DeleteGlobalRef(s_riivolution_patches_class);
+  env->DeleteGlobalRef(s_wii_update_cb_class);
 }
 }

Source/Android/jni/AndroidCommon/IDCache.h

@@ -72,4 +72,7 @@ jmethodID GetPatchCheatConstructor();
 jclass GetRiivolutionPatchesClass();
 jfieldID GetRiivolutionPatchesPointer();
 
+jclass GetWiiUpdateCallbackClass();
+jmethodID GetWiiUpdateCallbackFunction();
+
 }  // namespace IDCache