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109 lines
4.1 KiB
C++
109 lines
4.1 KiB
C++
/*
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* Copyright (C) 2007-2009 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "bindings/core/v8/ScheduledAction.h"
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#include "bindings/core/v8/ScriptController.h"
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#include "bindings/core/v8/ScriptSourceCode.h"
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#include "bindings/core/v8/V8Binding.h"
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#include "bindings/core/v8/V8GCController.h"
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#include "bindings/core/v8/V8ScriptRunner.h"
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#include "core/dom/Document.h"
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#include "core/dom/ExecutionContext.h"
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#include "core/frame/LocalFrame.h"
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#include "platform/Logging.h"
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#include "platform/TraceEvent.h"
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namespace blink {
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ScheduledAction::ScheduledAction(ScriptState* scriptState, v8::Handle<v8::Function> function, int argc, v8::Handle<v8::Value> argv[], v8::Isolate* isolate)
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: m_scriptState(scriptState)
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, m_function(isolate, function)
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, m_info(isolate)
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, m_code(String(), KURL(), TextPosition::belowRangePosition())
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{
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m_info.ReserveCapacity(argc);
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for (int i = 0; i < argc; ++i)
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m_info.Append(argv[i]);
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}
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ScheduledAction::ScheduledAction(ScriptState* scriptState, const String& code, const KURL& url, v8::Isolate* isolate)
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: m_scriptState(scriptState)
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, m_info(isolate)
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, m_code(code, url)
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{
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}
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ScheduledAction::~ScheduledAction()
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{
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}
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void ScheduledAction::execute(ExecutionContext* context)
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{
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LocalFrame* frame = toDocument(context)->frame();
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if (!frame) {
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WTF_LOG(Timers, "ScheduledAction::execute %p: no frame", this);
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return;
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}
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execute(frame);
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}
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void ScheduledAction::execute(LocalFrame* frame)
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{
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if (m_scriptState->contextIsEmpty()) {
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WTF_LOG(Timers, "ScheduledAction::execute %p: context is empty", this);
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return;
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}
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TRACE_EVENT0("v8", "ScheduledAction::execute");
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ScriptState::Scope scope(m_scriptState.get());
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if (!m_function.isEmpty()) {
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WTF_LOG(Timers, "ScheduledAction::execute %p: have function", this);
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Vector<v8::Handle<v8::Value> > info;
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createLocalHandlesForArgs(&info);
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frame->script().callFunction(m_function.newLocal(m_scriptState->isolate()), m_scriptState->context()->Global(), info.size(), info.data());
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} else {
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WTF_LOG(Timers, "ScheduledAction::execute %p: executing from source", this);
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frame->script().executeScriptAndReturnValue(m_scriptState->context(), ScriptSourceCode(m_code));
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}
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// The frame might be invalid at this point because JavaScript could have released it.
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}
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void ScheduledAction::createLocalHandlesForArgs(Vector<v8::Handle<v8::Value> >* handles)
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{
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handles->reserveCapacity(m_info.Size());
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for (size_t i = 0; i < m_info.Size(); ++i)
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handles->append(m_info.Get(i));
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}
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} // namespace blink
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