Source/WebCore/inspector/PageInjectedScriptManager.cpp

/*
 * Copyright (C) 2013 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. ``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
 * 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 "PageInjectedScriptManager.h"

#if ENABLE(INSPECTOR)

#include "CommandLineAPIModule.h"
#include "ScriptState.h"

using namespace Inspector;

namespace WebCore {

PageInjectedScriptManager::PageInjectedScriptManager(InspectorEnvironment& environment, PassRefPtr<InjectedScriptHost> host)
    : InjectedScriptManager(environment, host)
    , m_commandLineAPIHost(CommandLineAPIHost::create())
{
}

void PageInjectedScriptManager::disconnect()
{
    InjectedScriptManager::disconnect();

    m_commandLineAPIHost->disconnect();
    m_commandLineAPIHost.clear();
}

void PageInjectedScriptManager::didCreateInjectedScript(InjectedScript injectedScript)
{
    CommandLineAPIModule::injectIfNeeded(this, injectedScript);
}

void PageInjectedScriptManager::discardInjectedScriptsFor(DOMWindow* window)
{
    if (m_scriptStateToId.isEmpty())
        return;

    Vector<long> idsToRemove;
    for (auto it = m_idToInjectedScript.begin(), end = m_idToInjectedScript.end(); it != end; ++it) {
        JSC::ExecState* scriptState = it->value.scriptState();
        if (window != domWindowFromExecState(scriptState))
            continue;
        m_scriptStateToId.remove(scriptState);
        idsToRemove.append(it->key);
    }

    for (size_t i = 0; i < idsToRemove.size(); i++)
        m_idToInjectedScript.remove(idsToRemove[i]);

    // Now remove script states that have id but no injected script.
    Vector<JSC::ExecState*> scriptStatesToRemove;
    for (auto it = m_scriptStateToId.begin(), end = m_scriptStateToId.end(); it != end; ++it) {
        JSC::ExecState* scriptState = it->key;
        if (window == domWindowFromExecState(scriptState))
            scriptStatesToRemove.append(scriptState);
    }

    for (size_t i = 0; i < scriptStatesToRemove.size(); i++)
        m_scriptStateToId.remove(scriptStatesToRemove[i]);
}

} // namespace WebCore

#endif // ENABLE(INSPECTOR)