| /* |
| * 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 "bindings/v8/ScheduledAction.h" |
| |
| #include "bindings/v8/ScriptController.h" |
| #include "bindings/v8/ScriptSourceCode.h" |
| #include "bindings/v8/V8Binding.h" |
| #include "bindings/v8/V8GCController.h" |
| #include "bindings/v8/V8ScriptRunner.h" |
| #include "core/dom/Document.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "core/frame/Frame.h" |
| #include "core/workers/WorkerGlobalScope.h" |
| #include "core/workers/WorkerThread.h" |
| #include "platform/TraceEvent.h" |
| |
| namespace WebCore { |
| |
| ScheduledAction::ScheduledAction(v8::Handle<v8::Context> context, v8::Handle<v8::Function> function, int argc, v8::Handle<v8::Value> argv[], v8::Isolate* isolate) |
| : m_context(isolate, context) |
| , m_function(isolate, function) |
| , m_code(String(), KURL(), TextPosition::belowRangePosition()) |
| , m_isolate(isolate) |
| { |
| m_info.reserveCapacity(argc); |
| for (int i = 0; i < argc; ++i) |
| m_info.append(UnsafePersistent<v8::Value>(m_isolate, argv[i])); |
| } |
| |
| ScheduledAction::ScheduledAction(v8::Handle<v8::Context> context, const String& code, const KURL& url, v8::Isolate* isolate) |
| : m_context(isolate, context) |
| , m_code(code, url) |
| , m_isolate(isolate) |
| { |
| } |
| |
| ScheduledAction::~ScheduledAction() |
| { |
| for (size_t i = 0; i < m_info.size(); ++i) |
| m_info[i].dispose(); |
| } |
| |
| void ScheduledAction::execute(ExecutionContext* context) |
| { |
| if (context->isDocument()) { |
| Frame* frame = toDocument(context)->frame(); |
| if (!frame) |
| return; |
| if (!frame->script().canExecuteScripts(AboutToExecuteScript)) |
| return; |
| execute(frame); |
| } else { |
| execute(toWorkerGlobalScope(context)); |
| } |
| } |
| |
| void ScheduledAction::execute(Frame* frame) |
| { |
| v8::HandleScope handleScope(m_isolate); |
| |
| v8::Handle<v8::Context> context = m_context.newLocal(m_isolate); |
| if (context.IsEmpty()) |
| return; |
| |
| TRACE_EVENT0("v8", "ScheduledAction::execute"); |
| |
| if (!m_function.isEmpty()) { |
| v8::Context::Scope scope(context); |
| Vector<v8::Handle<v8::Value> > info; |
| createLocalHandlesForArgs(&info); |
| frame->script().callFunction(m_function.newLocal(m_isolate), context->Global(), info.size(), info.data()); |
| } else { |
| frame->script().executeScriptAndReturnValue(context, ScriptSourceCode(m_code)); |
| } |
| |
| // The frame might be invalid at this point because JavaScript could have released it. |
| } |
| |
| void ScheduledAction::execute(WorkerGlobalScope* worker) |
| { |
| ASSERT(worker->thread()->isCurrentThread()); |
| v8::HandleScope handleScope(m_isolate); |
| v8::Handle<v8::Context> context = m_context.newLocal(m_isolate); |
| ASSERT(!context.IsEmpty()); |
| v8::Context::Scope scope(context); |
| if (!m_function.isEmpty()) { |
| Vector<v8::Handle<v8::Value> > info; |
| createLocalHandlesForArgs(&info); |
| V8ScriptRunner::callFunction(m_function.newLocal(m_isolate), worker, context->Global(), info.size(), info.data(), m_isolate); |
| } else |
| worker->script()->evaluate(m_code); |
| } |
| |
| void ScheduledAction::createLocalHandlesForArgs(Vector<v8::Handle<v8::Value> >* handles) |
| { |
| handles->reserveCapacity(m_info.size()); |
| for (size_t i = 0; i < m_info.size(); ++i) |
| handles->append(m_info[i].newLocal(m_isolate)); |
| } |
| |
| } // namespace WebCore |