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/*
* Copyright (C) 2014-2018 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.
*/
#pragma once
#include "ViewSnapshotStore.h"
#include <WebCore/BackForwardItemIdentifier.h>
#include <WebCore/FloatRect.h>
#include <WebCore/FrameLoaderTypes.h>
#include <WebCore/IntRect.h>
#include <WebCore/SerializedScriptValue.h>
#include <wtf/ArgumentCoder.h>
#include <wtf/EnumTraits.h>
#include <wtf/RunLoop.h>
#include <wtf/URL.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace IPC {
class Decoder;
class Encoder;
}
namespace WebKit {
struct HTTPBody {
struct Element {
struct FileData {
String filePath;
int64_t fileStart;
std::optional<int64_t> fileLength;
std::optional<WallTime> expectedFileModificationTime;
};
using BlobURLString = String;
using Data = std::variant<Vector<uint8_t>, FileData, BlobURLString>;
Data data;
};
String contentType;
Vector<Element> elements;
};
class FrameState {
public:
// These are used to help debug <rdar://problem/48634553>.
FrameState() { RELEASE_ASSERT(RunLoop::isMain()); }
~FrameState() { RELEASE_ASSERT(RunLoop::isMain()); }
FrameState(const FrameState&) = default;
FrameState(FrameState&&) = default;
FrameState& operator=(const FrameState&) = default;
FrameState& operator=(FrameState&&) = default;
const Vector<AtomString>& documentState() const { return m_documentState; }
enum class ShouldValidate : bool { No, Yes };
void setDocumentState(const Vector<AtomString>&, ShouldValidate = ShouldValidate::No);
static bool validateDocumentState(const Vector<AtomString>&);
String urlString;
String originalURLString;
String referrer;
AtomString target;
std::optional<Vector<uint8_t>> stateObjectData;
int64_t documentSequenceNumber { 0 };
int64_t itemSequenceNumber { 0 };
WebCore::IntPoint scrollPosition;
bool shouldRestoreScrollPosition { true };
float pageScaleFactor { 0 };
std::optional<HTTPBody> httpBody;
// FIXME: These should not be per frame.
#if PLATFORM(IOS_FAMILY)
WebCore::FloatRect exposedContentRect;
WebCore::IntRect unobscuredContentRect;
WebCore::FloatSize minimumLayoutSizeInScrollViewCoordinates;
WebCore::IntSize contentSize;
bool scaleIsInitial { false };
WebCore::FloatBoxExtent obscuredInsets;
#endif
Vector<FrameState> children;
private:
friend struct IPC::ArgumentCoder<FrameState, void>;
Vector<AtomString> m_documentState;
};
struct PageState {
String title;
FrameState mainFrameState;
WebCore::ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicy { WebCore::ShouldOpenExternalURLsPolicy::ShouldNotAllow };
RefPtr<WebCore::SerializedScriptValue> sessionStateObject;
bool wasCreatedByJSWithoutUserInteraction { false };
};
struct BackForwardListItemState {
WebCore::BackForwardItemIdentifier identifier;
PageState pageState;
bool hasCachedPage { false };
#if PLATFORM(COCOA) || PLATFORM(GTK)
RefPtr<ViewSnapshot> snapshot { };
#endif
};
struct BackForwardListState {
Vector<BackForwardListItemState> items;
std::optional<uint32_t> currentIndex;
};
struct SessionState {
BackForwardListState backForwardListState;
uint64_t renderTreeSize;
URL provisionalURL;
bool isAppInitiated { true };
};
} // namespace WebKit
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