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/*
* Copyright (C) 2013-2025 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 "WebInjectedScriptManager.h"
#include "CommandLineAPIModule.h"
#include "Document.h"
#include "JSExecState.h"
#include "LocalDOMWindow.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
using namespace Inspector;
WTF_MAKE_TZONE_ALLOCATED_IMPL(WebInjectedScriptManager);
Ref<WebInjectedScriptManager> WebInjectedScriptManager::create(Inspector::InspectorEnvironment& environment, Ref<Inspector::InjectedScriptHost>&& host)
{
return adoptRef(*new WebInjectedScriptManager(environment, WTF::move(host)));
}
WebInjectedScriptManager::WebInjectedScriptManager(InspectorEnvironment& environment, Ref<InjectedScriptHost>&& host)
: InjectedScriptManager(environment, WTF::move(host))
{
}
WebInjectedScriptManager::~WebInjectedScriptManager()
{
ASSERT(!m_clientCount);
if (m_clientCount > 0) {
m_clientCount = 0;
disconnect();
}
}
void WebInjectedScriptManager::addClient()
{
++m_clientCount;
if (m_clientCount == 1)
connect();
}
void WebInjectedScriptManager::removeClient()
{
ASSERT(m_clientCount > 0);
--m_clientCount;
if (!m_clientCount) {
// FIXME <https://webkit.org/b/305415>: Figure out why the commandLineAPIHost may still be used after the last client disconnects, and call disconnect here instead.
discardInjectedScripts();
}
}
void WebInjectedScriptManager::connect()
{
InjectedScriptManager::connect();
m_commandLineAPIHost = CommandLineAPIHost::create();
}
void WebInjectedScriptManager::disconnect()
{
InjectedScriptManager::disconnect();
m_commandLineAPIHost = nullptr;
}
void WebInjectedScriptManager::discardInjectedScripts()
{
InjectedScriptManager::discardInjectedScripts();
if (m_commandLineAPIHost)
m_commandLineAPIHost->clearAllWrappers();
}
void WebInjectedScriptManager::didCreateInjectedScript(const Inspector::InjectedScript& injectedScript)
{
CommandLineAPIModule::injectIfNeeded(this, injectedScript);
}
void WebInjectedScriptManager::discardInjectedScriptsFor(LocalDOMWindow& window)
{
if (m_scriptStateToId.isEmpty())
return;
RefPtr document = window.document();
if (!document)
return;
m_idToInjectedScript.removeIf([document](auto& entry) {
return executionContext(entry.value.globalObject()) == document;
});
m_scriptStateToId.removeIf([document](auto& entry) {
return executionContext(entry.key) == document;
});
}
} // namespace WebCore
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