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/*
* Copyright (C) 2024 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 "WebExtensionFrameIdentifier.h"
#include "FrameInfoData.h"
#include "WebFrame.h"
#include "WebPage.h"
#include <WebCore/Frame.h>
namespace WebKit {
WebCore::FrameIdentifier toWebCoreFrameIdentifier(const WebExtensionFrameIdentifier& identifier, const WebPage& page)
{
if (isMainFrame(identifier))
return page.mainWebFrame().frameID();
return { ObjectIdentifier<WebCore::FrameIdentifierType> { identifier.toUInt64() }, WebCore::Process::identifier() };
}
bool matchesFrame(const WebExtensionFrameIdentifier& identifier, const WebFrame& frame)
{
if (RefPtr coreFrame = frame.coreFrame(); coreFrame && coreFrame->isMainFrame() && isMainFrame(identifier))
return true;
if (RefPtr page = frame.page(); page && &page->mainWebFrame() == &frame && isMainFrame(identifier))
return true;
return frame.frameID().object().toUInt64() == identifier.toUInt64() && !frame.isMainFrame();
}
WebExtensionFrameIdentifier toWebExtensionFrameIdentifier(std::optional<WebCore::FrameIdentifier> frameIdentifier)
{
if (!frameIdentifier) {
ASSERT_NOT_REACHED();
return WebExtensionFrameConstants::NoneIdentifier;
}
auto identifierAsUInt64 = frameIdentifier->object().toUInt64();
if (!WebExtensionFrameIdentifier::isValidIdentifier(identifierAsUInt64)) {
ASSERT_NOT_REACHED();
return WebExtensionFrameConstants::NoneIdentifier;
}
return WebExtensionFrameIdentifier { identifierAsUInt64 };
}
WebExtensionFrameIdentifier toWebExtensionFrameIdentifier(const WebFrame& frame)
{
if (RefPtr coreFrame = frame.coreFrame(); coreFrame && coreFrame->isMainFrame())
return WebExtensionFrameConstants::MainFrameIdentifier;
if (RefPtr page = frame.page(); page && &page->mainWebFrame() == &frame)
return WebExtensionFrameConstants::MainFrameIdentifier;
return toWebExtensionFrameIdentifier(std::optional { frame.frameID() });
}
WebExtensionFrameIdentifier toWebExtensionFrameIdentifier(const FrameInfoData& frameInfoData)
{
if (frameInfoData.isMainFrame)
return WebExtensionFrameConstants::MainFrameIdentifier;
return toWebExtensionFrameIdentifier(frameInfoData.frameID);
}
std::optional<WebExtensionFrameIdentifier> toWebExtensionFrameIdentifier(double identifier)
{
if (identifier == WebExtensionFrameConstants::MainFrame)
return WebExtensionFrameConstants::MainFrameIdentifier;
if (identifier == WebExtensionFrameConstants::None)
return WebExtensionFrameConstants::NoneIdentifier;
if (!std::isfinite(identifier) || identifier <= 0 || identifier >= static_cast<double>(WebExtensionFrameConstants::NoneIdentifier.toUInt64()))
return std::nullopt;
double integral;
if (std::modf(identifier, &integral) != 0.0) {
// Only integral numbers can be used.
return std::nullopt;
}
auto identifierAsUInt64 = static_cast<uint64_t>(identifier);
if (!WebExtensionFrameIdentifier::isValidIdentifier(identifierAsUInt64)) {
ASSERT_NOT_REACHED();
return std::nullopt;
}
return WebExtensionFrameIdentifier { identifierAsUInt64 };
}
}
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