Add a basic sky-element custom element

sky/engine/core/script/dart_controller.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sky/engine/config.h"
 #include "sky/engine/core/script/dart_controller.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "dart/runtime/include/dart_mirrors_api.h"
 #include "sky/engine/bindings/builtin.h"
 #include "sky/engine/bindings/builtin_natives.h"
 #include "sky/engine/bindings/builtin_sky.h"
 #include "sky/engine/core/app/AbstractModule.h"
 #include "sky/engine/core/app/Module.h"
 #include "sky/engine/core/dom/Element.h"
 #include "sky/engine/core/frame/LocalFrame.h"
+#include "sky/engine/core/html/HTMLScriptElement.h"
 #include "sky/engine/core/html/imports/HTMLImport.h"
 #include "sky/engine/core/html/imports/HTMLImportChild.h"
 #include "sky/engine/core/loader/FrameLoaderClient.h"
 #include "sky/engine/core/script/dart_dependency_catcher.h"
 #include "sky/engine/core/script/dart_loader.h"
 #include "sky/engine/core/script/dom_dart_state.h"
 #include "sky/engine/public/platform/Platform.h"
 #include "sky/engine/tonic/dart_api_scope.h"
 #include "sky/engine/tonic/dart_class_library.h"
 #include "sky/engine/tonic/dart_error.h"
 #include "sky/engine/tonic/dart_gc_controller.h"
 #include "sky/engine/tonic/dart_isolate_scope.h"
 #include "sky/engine/tonic/dart_state.h"
+#include "sky/engine/tonic/dart_wrappable.h"
 #include "sky/engine/wtf/text/TextPosition.h"
 
 namespace blink {
 
 #if ENABLE(ASSERT)
 static const char* kCheckedModeArgs[] = {
   "--enable_asserts",
   "--enable_type_checks",
   "--error_on_bad_type",
   "--error_on_bad_override",
@@ skipping 73 matching lines @@
   module->AddLibrary(library, position);
 
   // TODO(eseidel): Better if the library/module retained its dependencies and
   // dependency waiting could be separate from library creation.
   dart_state()->loader().WaitForDependencies(
       dependency_catcher.dependencies(),
       base::Bind(finished_callback, module, library));
 }
 
 void DartController::ExecuteLibraryInModule(AbstractModule* module,
-                                            Dart_Handle library) {
+                                            Dart_Handle library,
+                                            HTMLScriptElement* script) {
   ASSERT(library);
   DCHECK(Dart_CurrentIsolate() == dart_state()->isolate());
   DartApiScope dart_api_scope;
 
   // Don't continue if we failed to load the module.
   if (LogIfError(Dart_FinalizeLoading(true)))
     return;
-  const char* name = module->isApplication() ? "main" : "init";
+  const char* name = module->isApplication() ? "main" : "_init";
 
   // main() is required, but init() is not:
   // TODO(rmacnak): Dart_LookupFunction won't find re-exports, etc.
   Dart_Handle entry = Dart_LookupFunction(library, ToDart(name));
-  if (!Dart_IsFunction(entry) && !module->isApplication())
+  if (module->isApplication()) {
+    LogIfError(Dart_Invoke(library, ToDart(name), 0, nullptr));
+    return;
+  }
+
+  if (!Dart_IsFunction(entry))
     return;
 
-  Dart_Handle result = Dart_Invoke(library, ToDart(name), 0, nullptr);
-  LogIfError(result);
+  Dart_Handle args[] = {
+    ToDart(script),
+  };
+  LogIfError(Dart_Invoke(library, ToDart(name), arraysize(args), args));
 }
 
 static void UnhandledExceptionCallback(Dart_Handle error) {
   DCHECK(!Dart_IsError(error));
   LOG(ERROR) << Dart_GetError(error);
 }
 
 static Dart_Handle LibraryTagHandler(Dart_LibraryTag tag,
                                      Dart_Handle library,
                                      Dart_Handle url) {
@@ skipping 136 matching lines @@
 
   CHECK(Dart_SetVMFlags(argc, argv));
   CHECK(Dart_Initialize(IsolateCreateCallback,
                         nullptr,  // Isolate interrupt callback.
                         UnhandledExceptionCallback, IsolateShutdownCallback,
                         // File IO callbacks.
                         nullptr, nullptr, nullptr, nullptr, nullptr));
 }
 
 } // namespace blink