| // Copyright 2016 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 "bindings/core/v8/V8ResizeObserverCallback.h" |
| |
| #include "bindings/core/v8/ScriptController.h" |
| #include "bindings/core/v8/V8Binding.h" |
| #include "bindings/core/v8/V8ResizeObserver.h" |
| #include "bindings/core/v8/V8ResizeObserverEntry.h" |
| #include "core/dom/ExecutionContext.h" |
| |
| namespace blink { |
| |
| void V8ResizeObserverCallback::handleEvent( |
| const HeapVector<Member<ResizeObserverEntry>>& entries, |
| ResizeObserver* observer) { |
| v8::Isolate* isolate = m_scriptState->isolate(); |
| ExecutionContext* executionContext = m_scriptState->getExecutionContext(); |
| if (!executionContext || executionContext->isContextSuspended() || |
| executionContext->isContextDestroyed()) |
| return; |
| if (!m_scriptState->contextIsValid()) |
| return; |
| ScriptState::Scope scope(m_scriptState.get()); |
| |
| if (m_callback.isEmpty()) |
| return; |
| |
| v8::Local<v8::Value> observerHandle = ToV8( |
| observer, m_scriptState->context()->Global(), m_scriptState->isolate()); |
| if (!observerHandle->IsObject()) |
| return; |
| |
| v8::Local<v8::Object> thisObject = |
| v8::Local<v8::Object>::Cast(observerHandle); |
| v8::Local<v8::Value> entriesHandle = ToV8( |
| entries, m_scriptState->context()->Global(), m_scriptState->isolate()); |
| if (entriesHandle.IsEmpty()) |
| return; |
| v8::Local<v8::Value> argv[] = {entriesHandle, observerHandle}; |
| |
| v8::TryCatch exceptionCatcher(m_scriptState->isolate()); |
| exceptionCatcher.SetVerbose(true); |
| V8ScriptRunner::callFunction(m_callback.newLocal(isolate), |
| m_scriptState->getExecutionContext(), thisObject, |
| WTF_ARRAY_LENGTH(argv), argv, isolate); |
| } |
| |
| } // namespace blink |
