From 113801b790f7cf9a822e761c13ef359ec91756fc Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Tue, 5 Jun 2018 12:46:13 -0700
Subject: [PATCH] Added SDL_IsChromebook() to determine if we're running on a
 Chromebook.

---
 .../src/main/java/org/libsdl/app/SDLActivity.java    |  7 +++++++
 include/SDL_system.h                                 |  5 +++++
 src/core/android/SDL_android.c                       | 12 +++++++++++-
 src/dynapi/SDL_dynapi_overrides.h                    |  1 +
 src/dynapi/SDL_dynapi_procs.h                        |  3 +++
 5 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/android-project/app/src/main/java/org/libsdl/app/SDLActivity.java b/android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
index b1cd982c3..e505533da 100644
--- a/android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
+++ b/android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
@@ -695,6 +695,13 @@ public class SDLActivity extends Activity {
         return (uiModeManager.getCurrentModeType() == Configuration.UI_MODE_TYPE_TELEVISION);
     }
 
+    /**
+     * This method is called by SDL using JNI.
+     */
+    public static boolean isChromebook() {
+        return getContext().getPackageManager().hasSystemFeature("org.chromium.arc.device_management");
+    }    
+
     /**
      * This method is called by SDL using JNI.
      */
diff --git a/include/SDL_system.h b/include/SDL_system.h
index 77186b597..6d6832d0f 100644
--- a/include/SDL_system.h
+++ b/include/SDL_system.h
@@ -125,6 +125,11 @@ extern DECLSPEC void * SDLCALL SDL_AndroidGetActivity(void);
  */
 extern DECLSPEC SDL_bool SDLCALL SDL_IsAndroidTV(void);
 
+/**
+   \brief Return true if the application is running on a Chromebook
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsChromebook(void);
+
 /**
    See the official Android developer guide for more information:
    http://developer.android.com/guide/topics/data/data-storage.html
diff --git a/src/core/android/SDL_android.c b/src/core/android/SDL_android.c
index c4b342385..9405d6c2b 100644
--- a/src/core/android/SDL_android.c
+++ b/src/core/android/SDL_android.c
@@ -213,6 +213,7 @@ static jmethodID midSetWindowStyle;
 static jmethodID midSetOrientation;
 static jmethodID midGetContext;
 static jmethodID midIsAndroidTV;
+static jmethodID midIsChromebook;
 static jmethodID midInputGetInputDeviceIds;
 static jmethodID midSendMessage;
 static jmethodID midShowTextInput;
@@ -316,6 +317,8 @@ JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetupJNI)(JNIEnv* mEnv, jclass c
                                 "getContext","()Landroid/content/Context;");
     midIsAndroidTV = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
                                 "isAndroidTV","()Z");
+    midIsChromebook = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
+                                "isChromebook", "()Z");
     midInputGetInputDeviceIds = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
                                 "inputGetInputDeviceIds", "(I)[I");
     midSendMessage = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass,
@@ -349,7 +352,8 @@ JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetupJNI)(JNIEnv* mEnv, jclass c
        !midSendMessage || !midShowTextInput || !midIsScreenKeyboardShown ||
        !midClipboardSetText || !midClipboardGetText || !midClipboardHasText ||
        !midOpenAPKExpansionInputStream || !midGetManifestEnvironmentVariables || !midGetDisplayDPI ||
-       !midCreateCustomCursor || !midSetCustomCursor || !midSetSystemCursor || !midSupportsRelativeMouse || !midSetRelativeMouseEnabled) {
+       !midCreateCustomCursor || !midSetCustomCursor || !midSetSystemCursor || !midSupportsRelativeMouse || !midSetRelativeMouseEnabled ||
+       !midIsChromebook) {
         __android_log_print(ANDROID_LOG_WARN, "SDL", "Missing some Java callbacks, do you have the latest version of SDLActivity.java?");
     }
 
@@ -2024,6 +2028,12 @@ SDL_bool SDL_IsAndroidTV(void)
     return (*env)->CallStaticBooleanMethod(env, mActivityClass, midIsAndroidTV);
 }
 
+SDL_bool SDL_IsChromebook(void)
+{
+    JNIEnv *env = Android_JNI_GetEnv();
+    return (*env)->CallStaticBooleanMethod(env, mActivityClass, midIsChromebook);
+}
+
 const char * SDL_AndroidGetInternalStoragePath(void)
 {
     static char *s_AndroidInternalFilesPath = NULL;
diff --git a/src/dynapi/SDL_dynapi_overrides.h b/src/dynapi/SDL_dynapi_overrides.h
index 62de268b0..8d3223221 100644
--- a/src/dynapi/SDL_dynapi_overrides.h
+++ b/src/dynapi/SDL_dynapi_overrides.h
@@ -672,3 +672,4 @@
 #define SDL_GameControllerMappingForDeviceIndex SDL_GameControllerMappingForDeviceIndex_REAL
 #define SDL_LinuxSetThreadPriority SDL_LinuxSetThreadPriority_REAL
 #define SDL_HasAVX512F SDL_HasAVX512F_REAL
+#define SDL_IsChromebook SDL_IsChromebook_REAL
diff --git a/src/dynapi/SDL_dynapi_procs.h b/src/dynapi/SDL_dynapi_procs.h
index 895b768a9..3d2a1a315 100644
--- a/src/dynapi/SDL_dynapi_procs.h
+++ b/src/dynapi/SDL_dynapi_procs.h
@@ -712,3 +712,6 @@ SDL_DYNAPI_PROC(char*,SDL_GameControllerMappingForDeviceIndex,(int a),(a),return
 SDL_DYNAPI_PROC(int,SDL_LinuxSetThreadPriority,(Sint64 a, int b),(a,b),return)
 #endif
 SDL_DYNAPI_PROC(SDL_bool,SDL_HasAVX512F,(void),(),return)
+#ifdef __ANDROID__
+SDL_DYNAPI_PROC(SDL_bool,SDL_IsChromebook,(void),(),return)
+#endif