From daaf010b94bca0460ae1b4a8aa19a9a69da843f8 Mon Sep 17 00:00:00 2001
From: Ethan O'Brien <77750390+ethanaobrien@users.noreply.github.com>
Date: Mon, 3 Jul 2023 09:31:38 -0500
Subject: [PATCH] Check for fullscreen and state support

---
 src/GameManager.js | 14 +++++++++++---
 src/emulator.js    | 26 ++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 3 deletions(-)

diff --git a/src/GameManager.js b/src/GameManager.js
index e34645b..984286f 100644
--- a/src/GameManager.js
+++ b/src/GameManager.js
@@ -18,7 +18,9 @@ class EJS_GameManager {
             getDiskCount: this.Module.cwrap('get_disk_count', 'number', []),
             getCurrentDisk: this.Module.cwrap('get_current_disk', 'number', []),
             setCurrentDisk: this.Module.cwrap('set_current_disk', 'null', ['number']),
-            setVolume: this.Module.cwrap('set_volume', 'null', ['number'])
+            getSaveFilePath: this.Module.cwrap('save_file_path', 'string', []),
+            saveSaveFiles: this.Module.cwrap('cmd_savefiles', '', []),
+            supportsStates: this.Module.cwrap('supports_states', 'number', [])
         }
         this.mkdir("/home");
         this.mkdir("/home/web_user");
@@ -135,8 +137,14 @@ class EJS_GameManager {
     setCurrentDisk(disk) {
         this.functions.setCurrentDisk(disk);
     }
-    setVolume(volume) {
-        this.functions.setVolume(volume);
+    getSaveFilePath() {
+        return this.functions.getSaveFilePath();
+    }
+    saveSaveFiles() {
+        this.functions.saveSaveFiles();
+    }
+    supportsStates() {
+        return !!this.functions.supportsStates();
     }
 }
 
diff --git a/src/emulator.js b/src/emulator.js
index b6c6962..f1c4c3c 100644
--- a/src/emulator.js
+++ b/src/emulator.js
@@ -635,6 +635,7 @@ class EmulatorJS {
             this.virtualGamepad.style.display = "";
         }
         
+        this.checkSupportedOpts();
         this.setupSettingsMenu();
         this.handleResize();
         this.updateCheatUI();
@@ -667,6 +668,12 @@ class EmulatorJS {
         this.gamepad.on('buttondown', this.gamepadEvent.bind(this));
         this.gamepad.on('buttonup', this.gamepadEvent.bind(this));
     }
+    checkSupportedOpts() {
+        if (!this.gameManager.supportsStates()) {
+            this.elements.bottomBar.saveState.setAttribute("hidden", "");
+            this.elements.bottomBar.loadState.setAttribute("hidden", "");
+        }
+    }
     updateGamepadLabels() {
         for (let i=0; i<this.gamepadLabels.length; i++) {
             if (this.gamepad.gamepads[i]) {
@@ -1107,6 +1114,25 @@ class EmulatorJS {
             }
         })
         
+        const hasFullscreen = !!(this.elements.parent.requestFullscreen || this.elements.parent.mozRequestFullScreen || this.elements.parent.webkitRequestFullscreen || this.elements.parent.msRequestFullscreen);
+        
+        if (!hasFullscreen) {
+            exit.style.display = "none";
+            enter.style.display = "none";
+        }
+        
+        this.elements.bottomBar = {
+            playPause: [pauseButton, playButton],
+            restart: [restartButton],
+            settings: [settingButton],
+            fullscreen: [enter, exit],
+            saveState: [saveState],
+            loadState: [loadState],
+            gamepad: [controlMenu],
+            cheat: [cheatMenu],
+            cacheManager: [cache]
+        }
+        
         
         if (this.config.buttonOpts) {
             if (!this.config.buttonOpts.playPause) {