Feat[launcher]: add "Open game directory" button

- Also refactors the file sending mechanism.

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/MainActivity.java

@@ -510,38 +510,20 @@ public class MainActivity extends BaseActivity implements ControlButtonMenuListe
         b.show();
     }
 
-    private static void setUri(Context context, String input, Intent intent) {
-        if(input.startsWith("file:")) {
-            int truncLength = 5;
-            if(input.startsWith("file://")) truncLength = 7;
-            input = input.substring(truncLength);
-            Log.i("MainActivity", input);
-            boolean isDirectory = new File(input).isDirectory();
-            if(isDirectory) {
-                intent.setType(DocumentsContract.Document.MIME_TYPE_DIR);
-            }else{
-                String type = null;
-                String extension = MimeTypeMap.getFileExtensionFromUrl(input);
-                if(extension != null) type = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
-                if(type == null) type = "*/*";
-                intent.setType(type);
-            }
-            intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
-            intent.setData(DocumentsContract.buildDocumentUri(
-                    context.getString(R.string.storageProviderAuthorities), input
-            ));
-            return;
-        }
-        intent.setDataAndType(Uri.parse(input), "*/*");
-    }
-
     public static void openLink(String link) {
         Context ctx = touchpad.getContext(); // no more better way to obtain a context statically
         ((Activity)ctx).runOnUiThread(() -> {
             try {
+                if(link.startsWith("file:")) {
+                    int truncLength = 5;
+                    if(link.startsWith("file://")) truncLength = 7;
+                    String path = link.substring(truncLength);
+                    Tools.openPath(ctx, new File(path), false);
+                }else {
                     Intent intent = new Intent(Intent.ACTION_VIEW);
-                setUri(ctx, link, intent);
+                    intent.setDataAndType(Uri.parse(link), "*/*");
                     ctx.startActivity(intent);
+                }
             } catch (Throwable th) {
                 Tools.showError(ctx, th);
             }
@@ -552,9 +534,7 @@ public class MainActivity extends BaseActivity implements ControlButtonMenuListe
         Context ctx = touchpad.getContext(); // no more better way to obtain a context statically
         ((Activity)ctx).runOnUiThread(() -> {
             try {
-                Intent intent = new Intent(Intent.ACTION_VIEW);
-                intent.setDataAndType(DocumentsContract.buildDocumentUri(ctx.getString(R.string.storageProviderAuthorities), path), "*/*");
-                ctx.startActivity(intent);
+                Tools.openPath(ctx, new File(path), false);
             } catch (Throwable th) {
                 Tools.showError(ctx, th);
             }

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/Tools.java

@@ -72,6 +72,7 @@ import org.apache.commons.codec.binary.Hex;
 import org.apache.commons.io.IOUtils;
 import org.lwjgl.glfw.CallbackBridge;
 
+import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
@@ -82,6 +83,7 @@ import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Field;
+import java.net.URLConnection;
 import java.nio.charset.StandardCharsets;
 import java.text.ParseException;
 import java.util.ArrayList;
@@ -1108,17 +1110,55 @@ public final class Tools {
 
     /** Triggers the share intent chooser, with the latestlog file attached to it */
     public static void shareLog(Context context){
-        Uri contentUri = DocumentsContract.buildDocumentUri(context.getString(R.string.storageProviderAuthorities), Tools.DIR_GAME_HOME + "/latestlog.txt");
+        openPath(context, new File(Tools.DIR_GAME_HOME, "latestlog.txt"), true);
+    }
 
-        Intent shareIntent = new Intent();
-        shareIntent.setAction(Intent.ACTION_SEND);
-        shareIntent.putExtra(Intent.EXTRA_STREAM, contentUri);
-        shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
-        shareIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-        shareIntent.setType("text/plain");
+    /**
+     * Determine the MIME type of a File.
+     * @param file The file to determine the type of
+     * @return the type, or the default value *slash* if cannot be determined
+     */
+    public static String getMimeType(File file) {
+        if(file.isDirectory()) return DocumentsContract.Document.MIME_TYPE_DIR;
+        String mimeType = null;
+        try (FileInputStream fileInputStream = new FileInputStream(file)){
+            // Theoretically we don't even need the buffer since we don't care about the
+            // contents of the file after the guess, but mark-supported streams
+            // are a requirement of URLConnection.guessContentTypeFromStream()
+            try(BufferedInputStream bufferedInputStream = new BufferedInputStream(fileInputStream)) {
+                mimeType = URLConnection.guessContentTypeFromStream(bufferedInputStream);
+            }
+        }catch (IOException e) {
+            Log.w("FileMimeType", "Failed to determine MIME type by stream", e);
+        }
+        if(mimeType != null) return mimeType;
+        mimeType = URLConnection.guessContentTypeFromName(file.getName());
+        if(mimeType != null) return mimeType;
+        return "*/*";
+    }
 
-        Intent sendIntent = Intent.createChooser(shareIntent, "latestlog.txt");
-        context.startActivity(sendIntent);
+    /**
+     * Open the path specified by a File in a file explorer or in a relevant application.
+     * @param context the current Context
+     * @param file the File to open
+     * @param share whether to open a "Share" or an "Open" dialog.
+     */
+    public static void openPath(Context context, File file, boolean share) {
+        Uri contentUri = DocumentsContract.buildDocumentUri(context.getString(R.string.storageProviderAuthorities), file.getAbsolutePath());
+        String mimeType = getMimeType(file);
+        Intent intent = new Intent();
+        if(share) {
+            intent.setAction(Intent.ACTION_SEND);
+            intent.setType(getMimeType(file));
+            intent.putExtra(Intent.EXTRA_STREAM, contentUri);
+        }else {
+            intent.setAction(Intent.ACTION_VIEW);
+            intent.setDataAndType(contentUri, mimeType);
+        }
+        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        Intent chooserIntent = Intent.createChooser(intent, file.getName());
+        context.startActivity(chooserIntent);
     }
 
     /** Mesure the textview height, given its current parameters */

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/fragments/MainMenuFragment.java

@@ -1,5 +1,6 @@
 package net.kdt.pojavlaunch.fragments;
 
+import static net.kdt.pojavlaunch.Tools.openPath;
 import static net.kdt.pojavlaunch.Tools.shareLog;
 
 import android.content.Intent;
@@ -20,7 +21,12 @@ import net.kdt.pojavlaunch.R;
 import net.kdt.pojavlaunch.Tools;
 import net.kdt.pojavlaunch.extra.ExtraConstants;
 import net.kdt.pojavlaunch.extra.ExtraCore;
+import net.kdt.pojavlaunch.prefs.LauncherPreferences;
 import net.kdt.pojavlaunch.progresskeeper.ProgressKeeper;
+import net.kdt.pojavlaunch.value.launcherprofiles.LauncherProfiles;
+import net.kdt.pojavlaunch.value.launcherprofiles.MinecraftProfile;
+
+import java.io.File;
 
 public class MainMenuFragment extends Fragment {
     public static final String TAG = "MainMenuFragment";
@@ -38,6 +44,7 @@ public class MainMenuFragment extends Fragment {
         Button mCustomControlButton = view.findViewById(R.id.custom_control_button);
         Button mInstallJarButton = view.findViewById(R.id.install_jar_button);
         Button mShareLogsButton = view.findViewById(R.id.share_logs_button);
+        Button mOpenDirectoryButton = view.findViewById(R.id.open_files_button);
 
         ImageButton mEditProfileButton = view.findViewById(R.id.edit_profile_button);
         Button mPlayButton = view.findViewById(R.id.play_button);
@@ -57,12 +64,24 @@ public class MainMenuFragment extends Fragment {
 
         mShareLogsButton.setOnClickListener((v) -> shareLog(requireContext()));
 
+        mOpenDirectoryButton.setOnClickListener((v)-> openPath(v.getContext(), getCurrentProfileDirectory(), false));
+
+
         mNewsButton.setOnLongClickListener((v)->{
             Tools.swapFragment(requireActivity(), GamepadMapperFragment.class, GamepadMapperFragment.TAG, null);
             return true;
         });
     }
 
+    private File getCurrentProfileDirectory() {
+        String currentProfile = LauncherPreferences.DEFAULT_PREF.getString(LauncherPreferences.PREF_KEY_CURRENT_PROFILE, null);
+        if(!Tools.isValidString(currentProfile)) return new File(Tools.DIR_GAME_NEW);
+        LauncherProfiles.load();
+        MinecraftProfile profileObject = LauncherProfiles.mainProfileJson.profiles.get(currentProfile);
+        if(profileObject == null) return new File(Tools.DIR_GAME_NEW);
+        return Tools.getGameDirPath(profileObject);
+    }
+
     @Override
     public void onResume() {
         super.onResume();

app_pojavlauncher/src/main/res/layout-land/fragment_launcher.xml

@@ -30,11 +30,8 @@
                 app:layout_constraintGuide_percent="0.5"/>
             <com.kdt.mcgui.LauncherMenuButton
                 android:id="@+id/news_button"
+                style="@style/LauncherMenuButton.Universal"
                 android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="8dp"
-                android:layout_marginBottom="8dp"
-                android:background="?android:attr/selectableItemBackground"
                 android:drawableStart="@drawable/ic_menu_news"
                 android:text="@string/mcl_tab_wiki"
                 app:layout_constraintTop_toTopOf="parent"
@@ -42,9 +39,7 @@
                 app:layout_constraintEnd_toStartOf="@id/social_divider"/>
             <View
                 android:id="@+id/social_divider"
-                android:layout_width="@dimen/padding_tiny"
-                android:layout_height="0dp"
-                android:background="@color/divider"
+                style="@style/LauncherFragment_Divider"
                 android:layout_marginVertical="@dimen/padding_heavy"
                 app:layout_constraintTop_toTopOf="@id/news_button"
                 app:layout_constraintStart_toStartOf="@id/center_guideline"
@@ -52,11 +47,8 @@
                 app:layout_constraintBottom_toBottomOf="@id/news_button"/>
             <com.kdt.mcgui.LauncherMenuButton
                 android:id="@+id/discord_button"
+                style="@style/LauncherMenuButton.Universal"
                 android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="8dp"
-                android:layout_marginBottom="8dp"
-                android:background="?android:attr/selectableItemBackground"
                 android:drawableStart="@drawable/ic_discord"
                 android:text="@string/mcl_button_discord"
                 app:layout_constraintTop_toTopOf="parent"
@@ -65,36 +57,48 @@
 
             <com.kdt.mcgui.LauncherMenuButton
                 android:id="@+id/custom_control_button"
+                style="@style/LauncherMenuButton.Universal"
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="8dp"
-                android:layout_marginBottom="8dp"
-                android:background="?android:attr/selectableItemBackground"
                 android:drawableStart="@drawable/ic_menu_custom_controls"
                 android:text="@string/mcl_option_customcontrol"
                 app:layout_constraintTop_toBottomOf="@id/news_button"/>
 
             <com.kdt.mcgui.LauncherMenuButton
                 android:id="@+id/install_jar_button"
+                style="@style/LauncherMenuButton.Universal"
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="8dp"
-                android:layout_marginBottom="8dp"
-                android:background="?android:attr/selectableItemBackground"
                 android:drawableStart="@drawable/ic_menu_install_jar"
                 android:text="@string/main_install_jar_file"
-                app:layout_constraintTop_toBottomOf="@id/custom_control_button"/>
+                app:layout_constraintTop_toBottomOf="@id/custom_control_button"
+                tools:layout_editor_absoluteX="0dp" />
 
             <com.kdt.mcgui.LauncherMenuButton
                 android:id="@+id/share_logs_button"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="8dp"
-                android:layout_marginBottom="8dp"
-                android:background="?android:attr/selectableItemBackground"
+                style="@style/LauncherMenuButton.Universal"
+                android:layout_width="0dp"
                 android:drawableStart="@android:drawable/ic_menu_share"
                 android:text="@string/main_share_logs"
-                app:layout_constraintTop_toBottomOf="@id/install_jar_button"/>
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/install_jar_button"
+                app:layout_constraintEnd_toStartOf="@id/files_divider"/>
+            <View
+                android:id="@+id/files_divider"
+                style="@style/LauncherFragment_Divider"
+                android:layout_marginVertical="@dimen/padding_heavy"
+                app:layout_constraintTop_toTopOf="@id/share_logs_button"
+                app:layout_constraintStart_toStartOf="@id/center_guideline"
+                app:layout_constraintEnd_toEndOf="@id/center_guideline"
+                app:layout_constraintBottom_toBottomOf="@id/share_logs_button"/>
+
+            <com.kdt.mcgui.LauncherMenuButton
+                android:id="@+id/open_files_button"
+                style="@style/LauncherMenuButton.Universal"
+                android:layout_width="0dp"
+                android:drawableStart="@drawable/ic_folder"
+                android:text="@string/mcl_button_open_directory"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toEndOf="@id/files_divider"
+                app:layout_constraintTop_toBottomOf="@id/install_jar_button" />
         </androidx.constraintlayout.widget.ConstraintLayout>
     </ScrollView>
 

app_pojavlauncher/src/main/res/layout/fragment_launcher.xml

@@ -26,10 +26,8 @@
 				app:layout_constraintGuide_percent="0.5"/>
 			<com.kdt.mcgui.LauncherMenuButton
 				android:id="@+id/news_button"
+				style="@style/LauncherMenuButton.Universal"
 				android:layout_width="0dp"
-				android:layout_height="@dimen/_66sdp"
-				android:background="?android:attr/selectableItemBackground"
-
 				android:text="@string/mcl_tab_wiki"
 				android:drawableStart="@drawable/ic_menu_news"
 				app:layout_constraintTop_toTopOf="parent"
@@ -37,9 +35,7 @@
 				app:layout_constraintEnd_toStartOf="@id/social_divider" />
 			<View
 				android:id="@+id/social_divider"
-				android:layout_width="@dimen/padding_tiny"
-				android:layout_height="0dp"
-				android:background="@color/divider"
+				style="@style/LauncherFragment_Divider"
 				android:layout_marginVertical="@dimen/padding_large"
 				app:layout_constraintTop_toTopOf="parent"
 				app:layout_constraintStart_toStartOf="@id/center_guideline"
@@ -47,10 +43,8 @@
 				app:layout_constraintBottom_toBottomOf="@id/news_button"/>
 			<com.kdt.mcgui.LauncherMenuButton
 				android:id="@+id/discord_button"
+				style="@style/LauncherMenuButton.Universal"
 				android:layout_width="0dp"
-				android:layout_height="@dimen/_66sdp"
-				android:background="?android:attr/selectableItemBackground"
-
 				android:text="@string/mcl_button_discord"
 				android:drawableStart="@drawable/ic_discord"
 				app:layout_constraintTop_toTopOf="parent"
@@ -60,36 +54,48 @@
 
 			<com.kdt.mcgui.LauncherMenuButton
 				android:id="@+id/custom_control_button"
+				style="@style/LauncherMenuButton.Universal"
 				android:layout_width="match_parent"
-				android:layout_height="@dimen/_66sdp"
-				android:background="?android:attr/selectableItemBackground"
 				android:drawableStart="@drawable/ic_menu_custom_controls"
 				android:text="@string/mcl_option_customcontrol"
-				app:layout_constraintTop_toBottomOf="@id/news_button"
-
-				/>
+				app:layout_constraintTop_toBottomOf="@id/news_button" />
 
 			<com.kdt.mcgui.LauncherMenuButton
 				android:id="@+id/install_jar_button"
+				style="@style/LauncherMenuButton.Universal"
 				android:layout_width="match_parent"
-				android:layout_height="@dimen/_66sdp"
-				android:background="?android:attr/selectableItemBackground"
 				android:drawableStart="@drawable/ic_menu_install_jar"
 				android:text="@string/main_install_jar_file"
-
-				app:layout_constraintTop_toBottomOf="@id/custom_control_button"
-				/>
+				app:layout_constraintTop_toBottomOf="@id/custom_control_button" />
 
 			<com.kdt.mcgui.LauncherMenuButton
 				android:id="@+id/share_logs_button"
-				android:layout_width="match_parent"
-				android:layout_height="@dimen/_66sdp"
-				android:background="?android:attr/selectableItemBackground"
+				style="@style/LauncherMenuButton.Universal"
+				android:layout_width="0dp"
 				android:drawableStart="@android:drawable/ic_menu_share"
 				android:text="@string/main_share_logs"
-
+				app:layout_constraintStart_toStartOf="parent"
 				app:layout_constraintTop_toBottomOf="@id/install_jar_button"
-				/>
+				app:layout_constraintEnd_toStartOf="@id/files_divider"/>
+
+			<View
+				android:id="@+id/files_divider"
+				style="@style/LauncherFragment_Divider"
+				android:layout_marginVertical="@dimen/padding_large"
+				app:layout_constraintTop_toTopOf="@id/share_logs_button"
+				app:layout_constraintStart_toStartOf="@id/center_guideline"
+				app:layout_constraintEnd_toEndOf="@id/center_guideline"
+				app:layout_constraintBottom_toBottomOf="@id/share_logs_button"/>
+
+			<com.kdt.mcgui.LauncherMenuButton
+				android:id="@+id/open_files_button"
+				style="@style/LauncherMenuButton.Universal"
+				android:layout_width="0dp"
+				android:drawableStart="@drawable/ic_folder"
+				android:text="@string/mcl_button_open_directory"
+				app:layout_constraintEnd_toEndOf="parent"
+				app:layout_constraintStart_toEndOf="@id/files_divider"
+				app:layout_constraintTop_toBottomOf="@id/install_jar_button" />
 		</androidx.constraintlayout.widget.ConstraintLayout>
 	</ScrollView>
 

app_pojavlauncher/src/main/res/values-land/styles.xml

@@ -12,4 +12,11 @@
         <item name="android:textSize">@dimen/_14ssp</item>
 
     </style>
+
+    <style name="LauncherMenuButton.Universal" parent="LauncherMenuButton">
+        <item name="android:layout_height">wrap_content</item>
+        <item name="android:layout_marginTop">8dp</item>
+        <item name="android:layout_marginBottom">8dp</item>
+    </style>
+
 </resources>

app_pojavlauncher/src/main/res/values/strings.xml

@@ -415,6 +415,7 @@
     <string name="preference_remap_controller_title">Change controller key bindings</string>
     <string name="preference_remap_controller_description">Allows you to modify the keyboard keys bound to each controller button</string>
     <string name="mcl_button_discord">Discord</string>
+    <string name="mcl_button_open_directory">Open game directory</string>
     <string name="discord_invite" translatable="false">https://discord.gg/pojavlauncher-724163890803638273</string>
     <string name="local_login_bad_username_title">Unsuitable username</string>
     <string name="local_login_bad_username_text">The username must be between 3–16 characters long, and must only contain latin letters, arabic numerals and underscores.</string>

app_pojavlauncher/src/main/res/values/styles.xml

@@ -13,6 +13,19 @@
 
     </style>
 
+    <style name="LauncherFragment_Divider">
+        <item name="android:layout_width">@dimen/padding_tiny</item>
+        <item name="android:layout_height">0dp</item>
+        <item name="android:background">@color/divider</item>
+    </style>
+
+    <style name="LauncherMenuButton" parent="Widget.AppCompat.Button">
+        <item name="android:background">?android:attr/selectableItemBackground</item>
+    </style>
+
+    <style name="LauncherMenuButton.Universal" parent="LauncherMenuButton">
+        <item name="android:layout_height">@dimen/_66sdp</item>
+    </style>
 
     <style name="ThickDivider">
         <item name="android:layout_width">match_parent</item>