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Unified Diff: Source/WebCore/bindings/dart/DartClassInfo.cpp

Issue 8802010: Dart bindings for WebKit (Closed) Base URL: http://svn.webkit.org/repository/webkit/trunk
Patch Set: Created 9 years ago
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Index: Source/WebCore/bindings/dart/DartClassInfo.cpp
diff --git a/Source/WebCore/bindings/dart/DartClassInfo.cpp b/Source/WebCore/bindings/dart/DartClassInfo.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..73d6e6b4d59e58ee6ac5eae87c90c7414981a27d
--- /dev/null
+++ b/Source/WebCore/bindings/dart/DartClassInfo.cpp
@@ -0,0 +1,190 @@
+// Copyright 2011, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "config.h"
+#include "DartClassInfo.h"
+
+#include "DartDOMWindow.h"
+#include "DartDOMWrapper.h"
+#include "DartIsolateState.h"
+#include "DartUtilities.h"
+#include "PlatformString.h"
+#include "npruntime_impl.h"
+#include <bindings/npruntime.h>
+#include <dart_api.h>
+#include <wtf/HashMap.h>
+#include <wtf/OwnArrayPtr.h>
+#include <wtf/StdLibExtras.h>
+#include <wtf/text/CString.h>
+#include <wtf/text/StringHash.h>
+
+namespace WebCore {
+
+struct ClassInfo {
+ const char* className;
+ const char* classScript;
+ const Dart_NativeEntryResolver resolver;
+
+ ClassInfo(const char* className, const char* classScript, const Dart_NativeEntryResolver resolver)
+ : className(className)
+ , classScript(classScript)
+ , resolver(resolver) { }
+};
+
+typedef Vector<ClassInfo> ClassInfos;
+static ClassInfos& getClassInfos()
+{
+ DEFINE_STATIC_LOCAL(ClassInfos, classInfos, ());
+ return classInfos;
+}
+
+void DartClassInfo::registerClass(const char* className, const char* classScript, const Dart_NativeEntryResolver resolver)
+{
+ getClassInfos().append(ClassInfo(className, classScript, resolver));
+}
+
+static void topLevelWindow(Dart_NativeArguments args)
+{
+ DartApiScope dartApiScope;
+ if (!DartUtilities::isFullDomIsolate(Dart_CurrentIsolate()))
+ Dart_ThrowException(DartUtilities::domDisabledException());
+
+ // Return full DOMWindow implementation (toDartValue(DOMWindow*) always returns secure wrapper).
+ Dart_Handle result = DartDOMWrapper::toDart<DartDOMWindow>(DartUtilities::domWindowForCurrentIsolate());
+ if (result)
+ Dart_SetReturnValue(args, result);
+}
+
+static void npObjectGet(Dart_NativeArguments args)
+{
+ DART_UNIMPLEMENTED();
+}
+
+static NPIdentifier getStringIdentifier(Dart_Handle id)
+{
+ intptr_t length = 0;
+ // FIXME: add return value check.
+ Dart_StringLength(id, &length);
+ char* buffer = new char[length + 1];
+ Dart_StringGet8(id, reinterpret_cast<uint8_t*>(buffer), &length);
+ buffer[length] = '\0';
+ NPIdentifier result = _NPN_GetStringIdentifier(buffer);
+ delete [] buffer;
+ return result;
+}
+
+static void npObjectInvoke(Dart_NativeArguments args)
+{
+ DartApiScope dartApiScope;
+ Dart_Handle exception;
+ {
+ NPObject* npObject = DartDOMWrapper::receiver< NPObject >(args);
+
+ if (!Dart_IsNull(Dart_GetNativeArgument(args, 2))) {
+ exception = DartUtilities::notImplementedException();
+ goto fail;
+ }
+
+ // FIXME: proper support for HTMLAppletElement and HTMLEmbedElement, see v8.
+
+ // FIXME: support argument conversion.
+ int numArgs = 0;
+ OwnArrayPtr<NPVariant> npArgs = adoptArrayPtr(new NPVariant[numArgs]);
+
+ NPVariant result;
+ VOID_TO_NPVARIANT(result);
+
+ bool retval = true;
+ if (npObject->_class->invoke) {
+ NPIdentifier identifier = getStringIdentifier(Dart_GetNativeArgument(args, 1));
+ retval = npObject->_class->invoke(npObject, identifier, npArgs.get(), numArgs, &result);
+ }
+
+ if (!retval) {
+ exception = Dart_NewString("Error calling method on NPObject.");
+ goto fail;
+ }
+
+ // FIXME: support return value conversion.
+
+ return;
+ }
+
+fail:
+ Dart_ThrowException(exception);
+ ASSERT_NOT_REACHED();
+}
+
+namespace DartDOMWindowInternal {
+
+void historyCrossFrameGetter(Dart_NativeArguments);
+
+void locationCrossFrameGetter(Dart_NativeArguments);
+
+}
+
+static Dart_NativeFunction domResolver(Dart_Handle name, int argumentCount)
+{
+ // FIXME: native for DOM helpers require a class on its own.
+ // FIXME: Hash for efficient lookup.
+ Dart_NativeFunction result = 0;
+ const ClassInfos& classInfos = getClassInfos();
+ for (size_t i = 0; i < classInfos.size(); i++) {
+ const ClassInfo& classInfo = classInfos[i];
+ if (classInfo.resolver) {
+ result = classInfo.resolver(name, argumentCount);
+ if (result)
+ return result;
+ }
+ }
+ // Some utility functions.
+ String str = DartUtilities::dartStringToString(name);
+ if (argumentCount == 0 && str == "TopLevel_Window")
+ return topLevelWindow;
+ if (argumentCount == 2 && str == "NPObject_get")
+ return npObjectGet;
+ if (argumentCount == 3 && str == "NPObject_invoke")
+ return npObjectInvoke;
+ if (argumentCount == 1 && str == "DOMWindow_history_cross_frame_Getter")
+ return DartDOMWindowInternal::historyCrossFrameGetter;
+ if (argumentCount == 1 && str == "DOMWindow_location_cross_frame_Getter")
+ return DartDOMWindowInternal::locationCrossFrameGetter;
+ return 0;
+}
+
+void DartClassInfo::registerClasses(Dart_Handle library)
+{
+ const ClassInfos& classInfos = getClassInfos();
+ for (size_t i = 0; i < classInfos.size(); i++)
+ // FIXME: proper management of DOM library.
+ Dart_LoadSource(library, Dart_NewString(classInfos[i].className), Dart_NewString(classInfos[i].classScript));
+ Dart_SetNativeResolver(library, domResolver);
+}
+
+}
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