| /* |
| * Copyright (C) 2007-2009 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" |
| #include "ScheduledAction.h" |
| |
| #include "Document.h" |
| #include "ScriptExecutionContext.h" |
| #include "ScriptSourceCode.h" |
| #include "ScriptValue.h" |
| |
| #include "V8Binding.h" |
| #include "V8Proxy.h" |
| #include "WorkerContext.h" |
| #include "WorkerContextExecutionProxy.h" |
| #include "WorkerThread.h" |
| |
| namespace WebCore { |
| |
| ScheduledAction::ScheduledAction(v8::Handle<v8::Function> func, int argc, v8::Handle<v8::Value> argv[]) |
| : m_code(String(), KURL(), 0) |
| { |
| m_function = v8::Persistent<v8::Function>::New(func); |
| |
| #ifndef NDEBUG |
| V8Proxy::RegisterGlobalHandle(SCHEDULED_ACTION, this, m_function); |
| #endif |
| |
| m_argc = argc; |
| if (argc > 0) { |
| m_argv = new v8::Persistent<v8::Value>[argc]; |
| for (int i = 0; i < argc; i++) { |
| m_argv[i] = v8::Persistent<v8::Value>::New(argv[i]); |
| |
| #ifndef NDEBUG |
| V8Proxy::RegisterGlobalHandle(SCHEDULED_ACTION, this, m_argv[i]); |
| #endif |
| } |
| } else |
| m_argv = 0; |
| } |
| |
| ScheduledAction::~ScheduledAction() |
| { |
| if (m_function.IsEmpty()) |
| return; |
| |
| #ifndef NDEBUG |
| V8Proxy::UnregisterGlobalHandle(this, m_function); |
| #endif |
| m_function.Dispose(); |
| |
| for (int i = 0; i < m_argc; i++) { |
| #ifndef NDEBUG |
| V8Proxy::UnregisterGlobalHandle(this, m_argv[i]); |
| #endif |
| m_argv[i].Dispose(); |
| } |
| |
| if (m_argc > 0) |
| delete[] m_argv; |
| } |
| |
| void ScheduledAction::execute(ScriptExecutionContext* context) |
| { |
| V8Proxy* proxy = V8Proxy::retrieve(context); |
| if (proxy) |
| execute(proxy); |
| #if ENABLE(WORKERS) |
| else { |
| ASSERT(context->isWorkerContext()); |
| execute(static_cast<WorkerContext*>(context)); |
| } |
| #endif |
| } |
| |
| void ScheduledAction::execute(V8Proxy* proxy) |
| { |
| ASSERT(proxy); |
| |
| v8::HandleScope handleScope; |
| v8::Local<v8::Context> v8Context = proxy->GetContext(); |
| if (v8Context.IsEmpty()) |
| return; // JS may not be enabled. |
| |
| v8::Context::Scope scope(v8Context); |
| |
| proxy->setTimerCallback(true); |
| |
| // FIXME: Need to implement timeouts for preempting a long-running script. |
| if (!m_function.IsEmpty() && m_function->IsFunction()) { |
| proxy->CallFunction(v8::Persistent<v8::Function>::Cast(m_function), v8Context->Global(), m_argc, m_argv); |
| Document::updateStyleForAllDocuments(); |
| } else |
| proxy->evaluate(m_code, 0); |
| |
| proxy->setTimerCallback(false); |
| } |
| |
| #if ENABLE(WORKERS) |
| void ScheduledAction::execute(WorkerContext* workerContext) |
| { |
| // In a Worker, the execution should always happen on a worker thread. |
| ASSERT(workerContext->thread()->threadID() == currentThread()); |
| |
| WorkerScriptController* scriptController = workerContext->script(); |
| |
| if (!m_function.IsEmpty() && m_function->IsFunction()) { |
| v8::HandleScope handleScope; |
| v8::Local<v8::Context> v8Context = scriptController->proxy()->GetContext(); |
| ASSERT(!v8Context.IsEmpty()); |
| v8::Context::Scope scope(v8Context); |
| m_function->Call(v8Context->Global(), m_argc, m_argv); |
| } else |
| scriptController->evaluate(m_code); |
| } |
| #endif |
| |
| } // namespace WebCore |