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 |