Rename all existing custom element classes as V0

third_party/WebKit/Source/bindings/core/v8/V8CustomElementLifecycleCallbacks.cpp

Index: third_party/WebKit/Source/bindings/core/v8/V8CustomElementLifecycleCallbacks.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8CustomElementLifecycleCallbacks.cpp b/third_party/WebKit/Source/bindings/core/v8/V8CustomElementLifecycleCallbacks.cpp
deleted file mode 100644
index 7a2b0b0ff9437fae805b1a3c3432a5ba3cab879e..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/bindings/core/v8/V8CustomElementLifecycleCallbacks.cpp
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- * Copyright (C) 2013 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 "bindings/core/v8/V8CustomElementLifecycleCallbacks.h"
-
-#include "bindings/core/v8/CustomElementBinding.h"
-#include "bindings/core/v8/DOMDataStore.h"
-#include "bindings/core/v8/ScriptController.h"
-#include "bindings/core/v8/V8Binding.h"
-#include "bindings/core/v8/V8Element.h"
-#include "bindings/core/v8/V8HiddenValue.h"
-#include "bindings/core/v8/V8PerContextData.h"
-#include "core/dom/ExecutionContext.h"
-#include "wtf/PassOwnPtr.h"
-
-namespace blink {
-
-#define CALLBACK_LIST(V)                    \
-    V(created, CreatedCallback)             \
-    V(attached, AttachedCallback)           \
-    V(detached, DetachedCallback)           \
-    V(attributeChanged, AttributeChangedCallback)
-
-V8CustomElementLifecycleCallbacks* V8CustomElementLifecycleCallbacks::create(ScriptState* scriptState, v8::Local<v8::Object> prototype, v8::MaybeLocal<v8::Function> created, v8::MaybeLocal<v8::Function> attached, v8::MaybeLocal<v8::Function> detached, v8::MaybeLocal<v8::Function> attributeChanged)
-{
-    v8::Isolate* isolate = scriptState->isolate();
-    // A given object can only be used as a Custom Element prototype
-    // once; see customElementIsInterfacePrototypeObject
-#define SET_HIDDEN_VALUE(Value, Name) \
-    ASSERT(V8HiddenValue::getHiddenValue(scriptState, prototype, V8HiddenValue::customElement##Name(isolate)).IsEmpty()); \
-    if (!Value.IsEmpty()) \
-        V8HiddenValue::setHiddenValue(scriptState, prototype, V8HiddenValue::customElement##Name(isolate), Value.ToLocalChecked());
-
-    CALLBACK_LIST(SET_HIDDEN_VALUE)
-#undef SET_HIDDEN_VALUE
-
-    return new V8CustomElementLifecycleCallbacks(scriptState, prototype, created, attached, detached, attributeChanged);
-}
-
-static CustomElementLifecycleCallbacks::CallbackType flagSet(v8::MaybeLocal<v8::Function> attached, v8::MaybeLocal<v8::Function> detached, v8::MaybeLocal<v8::Function> attributeChanged)
-{
-    // V8 Custom Elements always run created to swizzle prototypes.
-    int flags = CustomElementLifecycleCallbacks::CreatedCallback;
-
-    if (!attached.IsEmpty())
-        flags |= CustomElementLifecycleCallbacks::AttachedCallback;
-
-    if (!detached.IsEmpty())
-        flags |= CustomElementLifecycleCallbacks::DetachedCallback;
-
-    if (!attributeChanged.IsEmpty())
-        flags |= CustomElementLifecycleCallbacks::AttributeChangedCallback;
-
-    return CustomElementLifecycleCallbacks::CallbackType(flags);
-}
-
-template <typename T>
-static void weakCallback(const v8::WeakCallbackInfo<ScopedPersistent<T>>& data)
-{
-    data.GetParameter()->clear();
-}
-
-V8CustomElementLifecycleCallbacks::V8CustomElementLifecycleCallbacks(ScriptState* scriptState, v8::Local<v8::Object> prototype, v8::MaybeLocal<v8::Function> created, v8::MaybeLocal<v8::Function> attached, v8::MaybeLocal<v8::Function> detached, v8::MaybeLocal<v8::Function> attributeChanged)
-    : CustomElementLifecycleCallbacks(flagSet(attached, detached, attributeChanged))
-    , ContextLifecycleObserver(scriptState->getExecutionContext())
-    , m_scriptState(scriptState)
-    , m_prototype(scriptState->isolate(), prototype)
-    , m_created(scriptState->isolate(), created)
-    , m_attached(scriptState->isolate(), attached)
-    , m_detached(scriptState->isolate(), detached)
-    , m_attributeChanged(scriptState->isolate(), attributeChanged)
-{
-    m_prototype.setWeak(&m_prototype, weakCallback<v8::Object>);
-
-#define MAKE_WEAK(Var, _) \
-    if (!m_##Var.isEmpty()) \
-        m_##Var.setWeak(&m_##Var, weakCallback<v8::Function>);
-
-    CALLBACK_LIST(MAKE_WEAK)
-#undef MAKE_WEAK
-}
-
-V8PerContextData* V8CustomElementLifecycleCallbacks::creationContextData()
-{
-    if (!getExecutionContext())
-        return 0;
-
-    v8::Local<v8::Context> context = m_scriptState->context();
-    if (context.IsEmpty())
-        return 0;
-
-    return V8PerContextData::from(context);
-}
-
-V8CustomElementLifecycleCallbacks::~V8CustomElementLifecycleCallbacks()
-{
-}
-
-bool V8CustomElementLifecycleCallbacks::setBinding(PassOwnPtr<CustomElementBinding> binding)
-{
-    V8PerContextData* perContextData = creationContextData();
-    if (!perContextData)
-        return false;
-
-    // The context is responsible for keeping the prototype
-    // alive. This in turn keeps callbacks alive through hidden
-    // references; see CALLBACK_LIST(SET_HIDDEN_VALUE).
-    perContextData->addCustomElementBinding(std::move(binding));
-    return true;
-}
-
-void V8CustomElementLifecycleCallbacks::created(Element* element)
-{
-    // FIXME: callbacks while paused should be queued up for execution to
-    // continue then be delivered in order rather than delivered immediately.
-    // Bug 329665 tracks similar behavior for other synchronous events.
-    if (!getExecutionContext() || getExecutionContext()->activeDOMObjectsAreStopped())
-        return;
-
-    if (!m_scriptState->contextIsValid())
-        return;
-
-    element->setCustomElementState(Element::Upgraded);
-
-    ScriptState::Scope scope(m_scriptState.get());
-    v8::Isolate* isolate = m_scriptState->isolate();
-    v8::Local<v8::Context> context = m_scriptState->context();
-    v8::Local<v8::Value> receiverValue = toV8(element, context->Global(), isolate);
-    if (receiverValue.IsEmpty())
-        return;
-    v8::Local<v8::Object> receiver = receiverValue.As<v8::Object>();
-
-    // Swizzle the prototype of the wrapper.
-    v8::Local<v8::Object> prototype = m_prototype.newLocal(isolate);
-    if (prototype.IsEmpty())
-        return;
-    if (!v8CallBoolean(receiver->SetPrototype(context, prototype)))
-        return;
-
-    v8::Local<v8::Function> callback = m_created.newLocal(isolate);
-    if (callback.IsEmpty())
-        return;
-
-    v8::TryCatch exceptionCatcher(isolate);
-    exceptionCatcher.SetVerbose(true);
-    ScriptController::callFunction(getExecutionContext(), callback, receiver, 0, 0, isolate);
-}
-
-void V8CustomElementLifecycleCallbacks::attached(Element* element)
-{
-    call(m_attached, element);
-}
-
-void V8CustomElementLifecycleCallbacks::detached(Element* element)
-{
-    call(m_detached, element);
-}
-
-void V8CustomElementLifecycleCallbacks::attributeChanged(Element* element, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue)
-{
-    // FIXME: callbacks while paused should be queued up for execution to
-    // continue then be delivered in order rather than delivered immediately.
-    // Bug 329665 tracks similar behavior for other synchronous events.
-    if (!getExecutionContext() || getExecutionContext()->activeDOMObjectsAreStopped())
-        return;
-
-    if (!m_scriptState->contextIsValid())
-        return;
-    ScriptState::Scope scope(m_scriptState.get());
-    v8::Isolate* isolate = m_scriptState->isolate();
-    v8::Local<v8::Context> context = m_scriptState->context();
-    v8::Local<v8::Value> receiver = toV8(element, context->Global(), isolate);
-    if (receiver.IsEmpty())
-        return;
-
-    v8::Local<v8::Function> callback = m_attributeChanged.newLocal(isolate);
-    if (callback.IsEmpty())
-        return;
-
-    v8::Local<v8::Value> argv[] = {
-        v8String(isolate, name),
-        oldValue.isNull() ? v8::Local<v8::Value>(v8::Null(isolate)) : v8::Local<v8::Value>(v8String(isolate, oldValue)),
-        newValue.isNull() ? v8::Local<v8::Value>(v8::Null(isolate)) : v8::Local<v8::Value>(v8String(isolate, newValue))
-    };
-
-    v8::TryCatch exceptionCatcher(isolate);
-    exceptionCatcher.SetVerbose(true);
-    ScriptController::callFunction(getExecutionContext(), callback, receiver, WTF_ARRAY_LENGTH(argv), argv, isolate);
-}
-
-void V8CustomElementLifecycleCallbacks::call(const ScopedPersistent<v8::Function>& weakCallback, Element* element)
-{
-    // FIXME: callbacks while paused should be queued up for execution to
-    // continue then be delivered in order rather than delivered immediately.
-    // Bug 329665 tracks similar behavior for other synchronous events.
-    if (!getExecutionContext() || getExecutionContext()->activeDOMObjectsAreStopped())
-        return;
-
-    if (!m_scriptState->contextIsValid())
-        return;
-    ScriptState::Scope scope(m_scriptState.get());
-    v8::Isolate* isolate = m_scriptState->isolate();
-    v8::Local<v8::Context> context = m_scriptState->context();
-    v8::Local<v8::Function> callback = weakCallback.newLocal(isolate);
-    if (callback.IsEmpty())
-        return;
-
-    v8::Local<v8::Value> receiver = toV8(element, context->Global(), isolate);
-    if (receiver.IsEmpty())
-        return;
-
-    v8::TryCatch exceptionCatcher(isolate);
-    exceptionCatcher.SetVerbose(true);
-    ScriptController::callFunction(getExecutionContext(), callback, receiver, 0, 0, isolate);
-}
-
-DEFINE_TRACE(V8CustomElementLifecycleCallbacks)
-{
-    CustomElementLifecycleCallbacks::trace(visitor);
-    ContextLifecycleObserver::trace(visitor);
-}
-
-} // namespace blink