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FrameLoadState.cpp
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172 lines (142 loc) · 5.18 KB
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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. 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 "FrameLoadState.h"
namespace WebKit {
FrameLoadState::~FrameLoadState()
{
}
void FrameLoadState::addObserver(FrameLoadStateObserver& observer)
{
auto result = m_observers.add(observer);
ASSERT_UNUSED(result, result.isNewEntry);
}
void FrameLoadState::removeObserver(FrameLoadStateObserver& observer)
{
auto result = m_observers.remove(observer);
ASSERT_UNUSED(result, result);
}
void FrameLoadState::didStartProvisionalLoad(URL&& url)
{
ASSERT(m_provisionalURL.isEmpty());
m_state = State::Provisional;
m_provisionalURL = WTF::move(url);
const URL& urlForObserver = m_provisionalURL;
forEachObserver([&urlForObserver](FrameLoadStateObserver& observer) {
observer.didReceiveProvisionalURL(urlForObserver);
observer.didStartProvisionalLoad(urlForObserver);
});
}
void FrameLoadState::didSuspend()
{
m_state = State::Finished;
m_provisionalURL = { };
forEachObserver([](FrameLoadStateObserver& observer) {
observer.didCancelProvisionalLoad();
});
}
void FrameLoadState::didExplicitOpen(URL&& url)
{
ASSERT(!url.isNull());
m_provisionalURL = { };
setURL(WTF::move(url));
}
void FrameLoadState::didReceiveServerRedirectForProvisionalLoad(URL&& url)
{
ASSERT(m_state == State::Provisional);
m_provisionalURL = WTF::move(url);
const URL& urlForObserver = m_provisionalURL;
forEachObserver([&urlForObserver](FrameLoadStateObserver& observer) {
observer.didReceiveProvisionalURL(urlForObserver);
});
}
void FrameLoadState::didFailProvisionalLoad()
{
ASSERT(m_state == State::Provisional);
m_state = State::Finished;
m_provisionalURL = { };
m_unreachableURL = m_lastUnreachableURL;
forEachObserver([&](FrameLoadStateObserver& observer) {
observer.didCancelProvisionalLoad();
observer.didFailProvisionalLoad(m_unreachableURL);
});
}
void FrameLoadState::didCommitLoad()
{
// State might be set to Finished in didFailProvisionalLoad with content filter error,
// but the load might commit with replacement data from content fitler.
ASSERT(m_state == State::Provisional || m_state == State::Finished);
m_state = State::Committed;
m_url = m_provisionalURL.isNull() ? aboutBlankURL() : std::exchange(m_provisionalURL, { });
forEachObserver([&](FrameLoadStateObserver& observer) {
observer.didCommitProvisionalLoad();
observer.didCommitProvisionalLoad(m_isMainFrame);
});
}
void FrameLoadState::didFinishLoad()
{
ASSERT(m_state == State::Committed);
ASSERT(m_provisionalURL.isEmpty());
m_state = State::Finished;
forEachObserver([&](FrameLoadStateObserver& observer) {
observer.didFinishLoad(m_isMainFrame, m_url);
});
}
void FrameLoadState::didFailLoad()
{
ASSERT(m_state == State::Committed);
ASSERT(m_provisionalURL.isEmpty());
m_state = State::Finished;
forEachObserver([&](FrameLoadStateObserver& observer) {
observer.didFailLoad(m_url);
});
}
void FrameLoadState::didSameDocumentNotification(URL&& url)
{
ASSERT(!url.isNull());
setURL(url.isNull() ? URL { aboutBlankURL() } : WTF::move(url));
}
void FrameLoadState::setURL(URL&& url)
{
m_url = WTF::move(url);
const URL& urlForObserver = m_url;
forEachObserver([&urlForObserver](FrameLoadStateObserver& observer) {
observer.didCancelProvisionalLoad();
observer.didReceiveProvisionalURL(urlForObserver);
observer.didCommitProvisionalLoad();
});
}
void FrameLoadState::setUnreachableURL(const URL& unreachableURL)
{
m_lastUnreachableURL = m_unreachableURL;
m_unreachableURL = unreachableURL;
}
void FrameLoadState::forEachObserver(NOESCAPE const Function<void(FrameLoadStateObserver&)>& callback)
{
m_observers.forEach([&callback](FrameLoadStateObserver& observer) {
callback(observer);
});
}
} // namespace WebKit