1 files changed, 230 insertions, 0 deletions
diff --git a/V8Binding/v8/V8WorkerContextCustom.cpp b/V8Binding/v8/V8WorkerContextCustom.cpp
new file mode 100644
index 0000000..e646bb5
--- /dev/null
+++ b/V8Binding/v8/V8WorkerContextCustom.cpp
@@ -0,0 +1,230 @@
+// Copyright (c) 2009, 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"
+
+#if ENABLE(WORKERS)
+
+#include "v8_binding.h"
+#include "v8_custom.h"
+#include "v8_proxy.h"
+#include "WorkerContextExecutionProxy.h"
+
+#include "ExceptionCode.h"
+#include "MessagePort.h"
+#include "NotImplemented.h"
+#include "V8Document.h"
+#include "V8HTMLDocument.h"
+#include "V8WorkerContextEventListener.h"
+#include "WorkerContext.h"
+
+namespace WebCore {
+
+// TODO(mbelshe) - merge these with XHR's CreateHiddenXHRDependency
+
+// Use an array to hold dependents. It works like a ref-counted scheme.
+// A value can be added more than once to the xhr object.
+static void CreateHiddenDependency(v8::Local<v8::Object> object,
+                                   v8::Local<v8::Value> value) {
+  ASSERT(V8Proxy::GetDOMWrapperType(object) == V8ClassIndex::WORKERCONTEXT);
+  v8::Local<v8::Value> cache =
+      object->GetInternalField(V8Custom::kWorkerContextRequestCacheIndex);
+  if (cache->IsNull() || cache->IsUndefined()) {
+    cache = v8::Array::New();
+    object->SetInternalField(V8Custom::kWorkerContextRequestCacheIndex, cache);
+  }
+
+  v8::Local<v8::Array> cache_array = v8::Local<v8::Array>::Cast(cache);
+  cache_array->Set(v8::Integer::New(cache_array->Length()), value);
+}
+
+static void RemoveHiddenDependency(v8::Local<v8::Object> object,
+                                   v8::Local<v8::Value> value) {
+  ASSERT(V8Proxy::GetDOMWrapperType(object) == V8ClassIndex::WORKERCONTEXT);
+  v8::Local<v8::Value> cache =
+      object->GetInternalField(V8Custom::kWorkerContextRequestCacheIndex);
+  ASSERT(cache->IsArray());
+  v8::Local<v8::Array> cache_array = v8::Local<v8::Array>::Cast(cache);
+  for (int i = cache_array->Length() - 1; i >= 0; i--) {
+    v8::Local<v8::Value> cached = cache_array->Get(v8::Integer::New(i));
+    if (cached->StrictEquals(value)) {
+      cache_array->Delete(i);
+      return;
+    }
+  }
+
+  // We should only get here if we try to remove an event listener that was
+  // never added.
+}
+
+ACCESSOR_GETTER(WorkerContextSelf) {
+  INC_STATS(L"DOM.WorkerContext.self._get");
+  WorkerContext* imp = V8Proxy::ToNativeObject<WorkerContext>(
+      V8ClassIndex::WORKERCONTEXT, info.Holder());
+  return WorkerContextExecutionProxy::WorkerContextToV8Object(imp);
+}
+
+ACCESSOR_GETTER(WorkerContextOnmessage) {
+  INC_STATS(L"DOM.WorkerContext.onmessage._get");
+  WorkerContext* imp = V8Proxy::ToNativeObject<WorkerContext>(
+      V8ClassIndex::WORKERCONTEXT, info.Holder());
+  if (imp->onmessage()) {
+    V8WorkerContextEventListener* listener =
+        static_cast<V8WorkerContextEventListener*>(imp->onmessage());
+    v8::Local<v8::Object> v8_listener = listener->getListenerObject();
+    return v8_listener;
+  }
+  return v8::Undefined();
+}
+
+ACCESSOR_SETTER(WorkerContextOnmessage) {
+  INC_STATS(L"DOM.WorkerContext.onmessage._set");
+  WorkerContext* imp = V8Proxy::ToNativeObject<WorkerContext>(
+      V8ClassIndex::WORKERCONTEXT, info.Holder());
+  V8WorkerContextEventListener* old_listener =
+      static_cast<V8WorkerContextEventListener*>(imp->onmessage());
+  if (value->IsNull()) {
+    if (imp->onmessage()) {
+      v8::Local<v8::Object> old_v8_listener = old_listener->getListenerObject();
+      RemoveHiddenDependency(info.Holder(), old_v8_listener);
+    }
+
+    // Clear the listener
+    imp->setOnmessage(0);
+
+  } else {
+    RefPtr<V8EventListener> listener =
+        imp->script()->proxy()->FindOrCreateEventListener(
+            v8::Local<v8::Object>::Cast(value), false, false);
+    if (listener) {
+      if (old_listener) {
+        v8::Local<v8::Object> old_v8_listener =
+            old_listener->getListenerObject();
+        RemoveHiddenDependency(info.Holder(), old_v8_listener);
+      }
+
+      imp->setOnmessage(listener);
+      CreateHiddenDependency(info.Holder(), value);
+    }
+  }
+}
+
+v8::Handle<v8::Value> SetTimeoutOrInterval(const v8::Arguments& args,
+                                           bool singleShot) {
+  WorkerContext* imp = V8Proxy::ToNativeObject<WorkerContext>(
+      V8ClassIndex::WORKERCONTEXT, args.Holder());
+
+  int delay = ToInt32(args[1]);
+
+  notImplemented();
+
+  return v8::Undefined();
+}
+
+v8::Handle<v8::Value> ClearTimeoutOrInterval(const v8::Arguments& args) {
+  WorkerContext* imp = V8Proxy::ToNativeObject<WorkerContext>(
+      V8ClassIndex::WORKERCONTEXT, args.Holder());
+
+  bool ok = false;
+  int tid = ToInt32(args[0], ok);
+  if (ok) {
+    imp->removeTimeout(tid);
+  }
+
+  return v8::Undefined();
+}
+
+CALLBACK_FUNC_DECL(WorkerContextImportScripts) {
+  INC_STATS(L"DOM.WorkerContext.importScripts()");
+  notImplemented();
+  return v8::Undefined();
+}
+
+CALLBACK_FUNC_DECL(WorkerContextSetTimeout) {
+  INC_STATS(L"DOM.WorkerContext.setTimeout()");
+  return SetTimeoutOrInterval(args, true);
+}
+
+CALLBACK_FUNC_DECL(WorkerContextClearTimeout) {
+  INC_STATS(L"DOM.WorkerContext.clearTimeout()");
+  return ClearTimeoutOrInterval(args);
+}
+
+CALLBACK_FUNC_DECL(WorkerContextSetInterval) {
+  INC_STATS(L"DOM.WorkerContext.setInterval()");
+  return SetTimeoutOrInterval(args, false);
+}
+
+CALLBACK_FUNC_DECL(WorkerContextClearInterval) {
+  INC_STATS(L"DOM.WorkerContext.clearInterval()");
+  return ClearTimeoutOrInterval(args);
+}
+
+CALLBACK_FUNC_DECL(WorkerContextAddEventListener) {
+  INC_STATS(L"DOM.WorkerContext.addEventListener()");
+  WorkerContext* imp = V8Proxy::ToNativeObject<WorkerContext>(
+      V8ClassIndex::WORKERCONTEXT, args.Holder());
+
+  RefPtr<V8EventListener> listener =
+      imp->script()->proxy()->FindOrCreateEventListener(
+          v8::Local<v8::Object>::Cast(args[1]), false, false);
+
+  if (listener) {
+    String type = ToWebCoreString(args[0]);
+    bool useCapture = args[2]->BooleanValue();
+    imp->addEventListener(type, listener, useCapture);
+
+    CreateHiddenDependency(args.Holder(), args[1]);
+  }
+  return v8::Undefined();
+}
+
+CALLBACK_FUNC_DECL(WorkerContextRemoveEventListener) {
+  INC_STATS(L"DOM.WorkerContext.removeEventListener()");
+  WorkerContext* imp = V8Proxy::ToNativeObject<WorkerContext>(
+      V8ClassIndex::WORKERCONTEXT, args.Holder());
+  WorkerContextExecutionProxy* proxy = imp->script()->proxy();
+
+  RefPtr<V8EventListener> listener = proxy->FindOrCreateEventListener(
+      v8::Local<v8::Object>::Cast(args[1]), false, true);
+
+  if (listener) {
+    String type = ToWebCoreString(args[0]);
+    bool useCapture = args[2]->BooleanValue();
+    imp->removeEventListener(type, listener.get(), useCapture);
+
+    RemoveHiddenDependency(args.Holder(), args[1]);
+  }
+
+  return v8::Undefined();
+}
+
+}  // namespace WebCore
+
+#endif  // ENABLE(WORKERS)