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/*
* Copyright (C) 2022 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 "WebExtensionController.h"
#if ENABLE(WK_WEB_EXTENSIONS)
#include "WebExtensionControllerParameters.h"
#include "WebExtensionControllerProxyMessages.h"
#include "WebPageProxy.h"
#include <wtf/BlockPtr.h>
#include <wtf/HashMap.h>
#include <wtf/NeverDestroyed.h>
namespace WebKit {
constexpr auto freshlyCreatedTimeout = 5_s;
static HashMap<WebExtensionControllerIdentifier, WeakRef<WebExtensionController>>& webExtensionControllers()
{
static MainThreadNeverDestroyed<HashMap<WebExtensionControllerIdentifier, WeakRef<WebExtensionController>>> controllers;
return controllers;
}
WebExtensionController* WebExtensionController::get(WebExtensionControllerIdentifier identifier)
{
return webExtensionControllers().get(identifier);
}
WebExtensionController::WebExtensionController(Ref<WebExtensionControllerConfiguration> configuration)
: m_configuration(configuration)
, m_identifier(WebExtensionControllerIdentifier::generate())
{
ASSERT(!get(m_identifier));
webExtensionControllers().add(m_identifier, *this);
// A freshly created extension controller will be used to determine if the startup event
// should be fired for any loaded extensions during a brief time window. Start a timer
// when the first extension is about to be loaded.
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(freshlyCreatedTimeout.seconds() * NSEC_PER_SEC)), dispatch_get_main_queue(), makeBlockPtr([this, weakThis = WeakPtr { *this }] {
if (!weakThis)
return;
m_freshlyCreated = false;
}).get());
}
WebExtensionController::~WebExtensionController()
{
unloadAll();
}
WebExtensionControllerParameters WebExtensionController::parameters() const
{
WebExtensionControllerParameters parameters;
parameters.identifier = identifier();
parameters.contextParameters = WTF::map(extensionContexts(), [](auto& context) {
return context->parameters();
});
return parameters;
}
WebExtensionController::WebProcessProxySet WebExtensionController::allProcesses() const
{
WebProcessProxySet processes;
for (auto& page : m_pages)
processes.add(page.process());
return processes;
}
} // namespace WebKit
#endif // ENABLE(WK_WEB_EXTENSIONS)
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