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/*
* Copyright (C) 2014, 2015 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "WebInspectorFrontendAPIDispatcher.h"
#include "WebPage.h"
#include <WebCore/MainFrame.h>
#include <WebCore/ScriptController.h>
#include <WebCore/ScriptState.h>
namespace WebKit {
WebInspectorFrontendAPIDispatcher::WebInspectorFrontendAPIDispatcher(WebPage& page)
: m_page(page)
{
}
void WebInspectorFrontendAPIDispatcher::reset()
{
m_frontendLoaded = false;
m_suspended = false;
m_queue.clear();
}
void WebInspectorFrontendAPIDispatcher::frontendLoaded()
{
m_frontendLoaded = true;
evaluateQueuedExpressions();
}
void WebInspectorFrontendAPIDispatcher::suspend()
{
ASSERT(m_frontendLoaded);
ASSERT(!m_suspended);
ASSERT(m_queue.isEmpty());
m_suspended = true;
}
void WebInspectorFrontendAPIDispatcher::unsuspend()
{
ASSERT(m_suspended);
m_suspended = false;
evaluateQueuedExpressions();
}
void WebInspectorFrontendAPIDispatcher::dispatchCommand(const String& command)
{
evaluateOrQueueExpression(makeString("InspectorFrontendAPI.dispatch([\"", command, "\"])"));
}
void WebInspectorFrontendAPIDispatcher::dispatchCommand(const String& command, const String& argument)
{
evaluateOrQueueExpression(makeString("InspectorFrontendAPI.dispatch([\"", command, "\", \"", argument, "\"])"));
}
void WebInspectorFrontendAPIDispatcher::dispatchCommand(const String& command, bool argument)
{
evaluateOrQueueExpression(makeString("InspectorFrontendAPI.dispatch([\"", command, "\", ", argument ? "true" : "false", "])"));
}
void WebInspectorFrontendAPIDispatcher::dispatchMessageAsync(const String& message)
{
evaluateOrQueueExpression(makeString("InspectorFrontendAPI.dispatchMessageAsync(", message, ")"));
}
void WebInspectorFrontendAPIDispatcher::evaluateOrQueueExpression(const String& expression)
{
if (!m_frontendLoaded || m_suspended) {
m_queue.append(expression);
return;
}
ASSERT(m_queue.isEmpty());
ASSERT(!m_page.corePage()->mainFrame().script().isPaused());
m_page.corePage()->mainFrame().script().executeScript(expression);
}
void WebInspectorFrontendAPIDispatcher::evaluateQueuedExpressions()
{
if (m_queue.isEmpty())
return;
for (const String& expression : m_queue) {
ASSERT(!m_page.corePage()->mainFrame().script().isPaused());
m_page.corePage()->mainFrame().script().executeScript(expression);
}
m_queue.clear();
}
} // namespace WebKit
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