Android: Add a progress dialog for disc image conversion

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/NativeLibrary.java

@@ -12,6 +12,7 @@ import android.view.Surface;
 import androidx.appcompat.app.AlertDialog;
 
 import org.dolphinemu.dolphinemu.activities.EmulationActivity;
+import org.dolphinemu.dolphinemu.utils.CompressCallback;
 import org.dolphinemu.dolphinemu.utils.Log;
 import org.dolphinemu.dolphinemu.utils.Rumble;
 
@@ -430,7 +431,8 @@ public final class NativeLibrary
   public static native boolean InstallWAD(String file);
 
   public static native boolean ConvertDiscImage(String inPath, String outPath, int platform,
-          int format, int blockSize, int compression, int compressionLevel, boolean scrub);
+          int format, int blockSize, int compression, int compressionLevel, boolean scrub,
+          CompressCallback callback);
 
   public static native String FormatSize(long bytes, int decimals);
 

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/fragments/ConvertFragment.java

@@ -1,5 +1,6 @@
 package org.dolphinemu.dolphinemu.fragments;
 
+import android.app.ProgressDialog;
 import android.content.Context;
 import android.os.Bundle;
 import android.view.LayoutInflater;
@@ -108,6 +109,9 @@ public class ConvertFragment extends Fragment implements View.OnClickListener
 
   private GameFile gameFile;
 
+  private volatile boolean mCanceled;
+  private volatile Thread mThread = null;
+
   public static ConvertFragment newInstance(String gamePath)
   {
     Bundle args = new Bundle();
@@ -181,6 +185,15 @@ public class ConvertFragment extends Fragment implements View.OnClickListener
     valueWrapper.setPosition(i);
   }
 
+  @Override
+  public void onStop()
+  {
+    super.onStop();
+
+    mCanceled = true;
+    joinThread();
+  }
+
   private Spinner populateSpinner(int spinnerId, int entriesId, int valuesId,
           SpinnerValue valueWrapper)
   {
@@ -339,33 +352,88 @@ public class ConvertFragment extends Fragment implements View.OnClickListener
 
   private void convert()
   {
+    final int PROGRESS_RESOLUTION = 1000;
+
     Context context = requireContext();
 
     // TODO: Let the user select a path
     String outPath = gameFile.getPath() + ".converted";
 
-    boolean success = NativeLibrary.ConvertDiscImage(gameFile.getPath(), outPath,
-            gameFile.getPlatform(), mFormat.getValue(context), mBlockSize.getValueOr(context,0),
-            mCompression.getValueOr(context,0), mCompressionLevel.getValueOr(context,0),
-            getRemoveJunkData());
+    joinThread();
 
-    AlertDialog.Builder builder = new AlertDialog.Builder(context, R.style.DolphinDialogBase);
-    if (success)
+    mCanceled = false;
+
+    ProgressDialog progressDialog = new ProgressDialog(context, R.style.DolphinDialogBase);
+
+    progressDialog.setTitle(R.string.convert_converting);
+
+    progressDialog.setIndeterminate(false);
+    progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
+    progressDialog.setMax(PROGRESS_RESOLUTION);
+
+    progressDialog.setCancelable(true);
+    progressDialog.setOnCancelListener((dialog) -> mCanceled = true);
+
+    progressDialog.show();
+
+    mThread = new Thread(() ->
     {
-      builder.setMessage(R.string.convert_success_message)
-              .setCancelable(false)
-              .setPositiveButton(R.string.ok, (dialog, i) ->
+      boolean success = NativeLibrary.ConvertDiscImage(gameFile.getPath(), outPath,
+              gameFile.getPlatform(), mFormat.getValue(context), mBlockSize.getValueOr(context, 0),
+              mCompression.getValueOr(context, 0), mCompressionLevel.getValueOr(context, 0),
+              getRemoveJunkData(), (text, completion) ->
               {
-                dialog.dismiss();
-                requireActivity().finish();
+                requireActivity().runOnUiThread(() ->
+                {
+                  progressDialog.setMessage(text);
+                  progressDialog.setProgress((int) (completion * PROGRESS_RESOLUTION));
+                });
+
+                return !mCanceled;
               });
-    }
-    else
+
+      if (!mCanceled)
+      {
+        requireActivity().runOnUiThread(() ->
+        {
+          progressDialog.dismiss();
+
+          AlertDialog.Builder builder = new AlertDialog.Builder(context, R.style.DolphinDialogBase);
+          if (success)
+          {
+            builder.setMessage(R.string.convert_success_message)
+                    .setCancelable(false)
+                    .setPositiveButton(R.string.ok, (dialog, i) ->
+                    {
+                      dialog.dismiss();
+                      requireActivity().finish();
+                    });
+          }
+          else
+          {
+            builder.setMessage(R.string.convert_failure_message)
+                    .setPositiveButton(R.string.ok, (dialog, i) -> dialog.dismiss());
+          }
+          AlertDialog alert = builder.create();
+          alert.show();
+        });
+      }
+    });
+
+    mThread.start();
+  }
+
+  private void joinThread()
+  {
+    if (mThread != null)
     {
-      builder.setMessage(R.string.convert_failure_message)
-              .setPositiveButton(R.string.ok, (dialog, i) -> dialog.dismiss());
+      try
+      {
+        mThread.join();
+      }
+      catch (InterruptedException ignored)
+      {
+      }
     }
-    AlertDialog alert = builder.create();
-    alert.show();
   }
 }

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

@@ -0,0 +1,6 @@
+package org.dolphinemu.dolphinemu.utils;
+
+public interface CompressCallback
+{
+  boolean run(String text, float completion);
+}

Source/Android/app/src/main/res/values/strings.xml

@@ -337,6 +337,7 @@
     <string name="convert_compression_level">Compression Level</string>
     <string name="convert_remove_junk_data">Remove Junk Data (Irreversible)</string>
     <string name="convert_convert">Convert</string>
+    <string name="convert_converting">Converting</string>
     <string name="convert_warning_iso">Removing junk data does not save any space when converting to ISO (unless you package the ISO file in a compressed file format such as ZIP afterwards). Do you want to continue anyway?</string>
     <string name="convert_warning_gcz">Converting Wii disc images to GCZ without removing junk data does not save any noticeable amount of space compared to converting to ISO. Do you want to continue anyway?</string>
     <string name="convert_success_message">The disc image was successfully converted.</string>

Source/Android/jni/AndroidCommon/IDCache.cpp

@@ -36,6 +36,9 @@ static jclass s_ini_file_section_class;
 static jfieldID s_ini_file_section_pointer;
 static jmethodID s_ini_file_section_constructor;
 
+static jclass s_compress_cb_class;
+static jmethodID s_compress_cb_run;
+
 namespace IDCache
 {
 JNIEnv* GetEnvForThread()
@@ -161,6 +164,16 @@ jmethodID GetIniFileSectionConstructor()
   return s_ini_file_section_constructor;
 }
 
+jclass GetCompressCallbackClass()
+{
+  return s_compress_cb_class;
+}
+
+jmethodID GetCompressCallbackRun()
+{
+  return s_compress_cb_run;
+}
+
 }  // namespace IDCache
 
 #ifdef __cplusplus
@@ -223,6 +236,11 @@ jint JNI_OnLoad(JavaVM* vm, void* reserved)
   s_linked_hash_map_put = env->GetMethodID(
       s_linked_hash_map_class, "put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
 
+  const jclass compress_cb_class =
+      env->FindClass("org/dolphinemu/dolphinemu/utils/CompressCallback");
+  s_compress_cb_class = reinterpret_cast<jclass>(env->NewGlobalRef(compress_cb_class));
+  s_compress_cb_run = env->GetMethodID(s_compress_cb_class, "run", "(Ljava/lang/String;F)Z");
+
   return JNI_VERSION;
 }
 
@@ -239,6 +257,7 @@ void JNI_OnUnload(JavaVM* vm, void* reserved)
   env->DeleteGlobalRef(s_linked_hash_map_class);
   env->DeleteGlobalRef(s_ini_file_class);
   env->DeleteGlobalRef(s_ini_file_section_class);
+  env->DeleteGlobalRef(s_compress_cb_class);
 }
 
 #ifdef __cplusplus

Source/Android/jni/AndroidCommon/IDCache.h

@@ -38,4 +38,7 @@ jclass GetIniFileSectionClass();
 jfieldID GetIniFileSectionPointer();
 jmethodID GetIniFileSectionConstructor();
 
+jclass GetCompressCallbackClass();
+jmethodID GetCompressCallbackRun();
+
 }  // namespace IDCache

Source/Android/jni/MainAndroid.cpp

@@ -27,6 +27,7 @@
 #include "Common/IniFile.h"
 #include "Common/Logging/LogManager.h"
 #include "Common/MsgHandler.h"
+#include "Common/ScopeGuard.h"
 #include "Common/Version.h"
 #include "Common/WindowSystemInfo.h"
 
@@ -668,7 +669,7 @@ JNIEXPORT jboolean JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_InstallW
 
 JNIEXPORT jboolean JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_ConvertDiscImage(
     JNIEnv* env, jobject obj, jstring jInPath, jstring jOutPath, jint jPlatform, jint jFormat,
-    jint jBlockSize, jint jCompression, jint jCompressionLevel, jboolean jScrub)
+    jint jBlockSize, jint jCompression, jint jCompressionLevel, jboolean jScrub, jobject jCallback)
 {
   const std::string in_path = GetJString(env, jInPath);
   const std::string out_path = GetJString(env, jOutPath);
@@ -687,7 +688,14 @@ JNIEXPORT jboolean JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_ConvertD
   if (!blob_reader)
     return static_cast<jboolean>(false);
 
-  const auto callback = [](const std::string& text, float percent) { return true; };
+  jobject jCallbackGlobal = env->NewGlobalRef(jCallback);
+  Common::ScopeGuard scope_guard([jCallbackGlobal, env] { env->DeleteGlobalRef(jCallbackGlobal); });
+
+  const auto callback = [&jCallbackGlobal](const std::string& text, float completion) {
+    JNIEnv* env = IDCache::GetEnvForThread();
+    return static_cast<bool>(env->CallBooleanMethod(
+        jCallbackGlobal, IDCache::GetCompressCallbackRun(), ToJString(env, text), completion));
+  };
 
   bool success = false;