Refactored OpenGL embedder that works on Android, Mac or Linux.

runtime/embedders/openglui/common/vm_glue.h

+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+#ifndef EMBEDDERS_OPENGLUI_COMMON_VM_GLUE_H_
+#define EMBEDDERS_OPENGLUI_COMMON_VM_GLUE_H_
+
+#include <stdlib.h>
+
+#include "embedders/openglui/common/events.h"
+#include "embedders/openglui/common/isized.h"
+#include "include/dart_api.h"
+
+class VMGlue {
+ public:
+  explicit VMGlue(ISized* surface,
+                  const char* script_path,
+                  const char* extension_script = NULL,
+                  const char* main_script = NULL);
+  ~VMGlue() {
+    delete[] main_script_;
+    delete[] extension_script_;
+  }
+
+  int InitializeVM();
+  int StartMainIsolate();
+  int CallSetup();
+  int CallUpdate();
+  int OnMotionEvent(const char* funtion, int64_t when,
+                    float move_x, float move_y);
+  int OnKeyEvent(const char* funtion, int64_t when, int32_t flags,
+             int32_t key_code, int32_t meta_state, int32_t repeat);
+  void FinishMainIsolate();
+
+ private:
+  int Invoke(const char *function, int argc, Dart_Handle* args,
+             bool failIfNotDefined = true);
+
+  static int ErrorExit(const char* format, ...);
+  static Dart_Handle CheckError(Dart_Handle);
+
+  static bool CreateIsolateAndSetupHelper(const char* script_uri,
+                                          const char* main,
+                                          void* data,
+                                          char** error);
+  static bool CreateIsolateAndSetup(const char* script_uri,
+                                    const char* main,
+                                    void* data, char** error);
+  static Dart_Handle LibraryTagHandler(Dart_LibraryTag tag,
+                                       Dart_Handle library,
+                                       Dart_Handle urlHandle);
+  static Dart_Handle LoadSourceFromFile(const char* url);
+  static void ShutdownIsolate(void* callback_data);
+
+  ISized* surface_;
+  Dart_Isolate isolate_;
+  bool initialized_vm_;
+  bool initialized_script_;
+  char* main_script_;
+  static char* extension_script_;
+};
+
+#endif  // EMBEDDERS_OPENGLUI_COMMON_VM_GLUE_H_
+