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/*
* Copyright (C) 2014 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 <WebCore/FloatRect.h>
#include <WebCore/LengthBox.h>
#include <wtf/MonotonicTime.h>
#include <wtf/text/WTFString.h>
namespace IPC {
class Decoder;
class Encoder;
}
namespace WTF {
class TextStream;
}
namespace WebKit {
class VisibleContentRectUpdateInfo {
public:
VisibleContentRectUpdateInfo() = default;
VisibleContentRectUpdateInfo(const WebCore::FloatRect& exposedContentRect, const WebCore::FloatRect& unobscuredContentRect, const WebCore::FloatRect& unobscuredRectInScrollViewCoordinates, const WebCore::FloatRect& unobscuredContentRectRespectingInputViewBounds, const WebCore::FloatRect& customFixedPositionRect, const WebCore::FloatBoxExtent& obscuredInsets, const WebCore::FloatBoxExtent& unobscuredSafeAreaInsets, double scale, bool inStableState, bool isFirstUpdateForNewViewSize, bool isChangingObscuredInsetsInteractively, bool allowShrinkToFit, bool enclosedInScrollableAncestorView, MonotonicTime timestamp, double horizontalVelocity, double verticalVelocity, double scaleChangeRate, uint64_t lastLayerTreeTransactionId)
: m_exposedContentRect(exposedContentRect)
, m_unobscuredContentRect(unobscuredContentRect)
, m_unobscuredRectInScrollViewCoordinates(unobscuredRectInScrollViewCoordinates)
, m_unobscuredContentRectRespectingInputViewBounds(unobscuredContentRectRespectingInputViewBounds)
, m_customFixedPositionRect(customFixedPositionRect)
, m_obscuredInsets(obscuredInsets)
, m_unobscuredSafeAreaInsets(unobscuredSafeAreaInsets)
, m_lastLayerTreeTransactionID(lastLayerTreeTransactionId)
, m_scale(scale)
, m_timestamp(timestamp)
, m_horizontalVelocity(horizontalVelocity)
, m_verticalVelocity(verticalVelocity)
, m_scaleChangeRate(scaleChangeRate)
, m_inStableState(inStableState)
, m_isFirstUpdateForNewViewSize(isFirstUpdateForNewViewSize)
, m_isChangingObscuredInsetsInteractively(isChangingObscuredInsetsInteractively)
, m_allowShrinkToFit(allowShrinkToFit)
, m_enclosedInScrollableAncestorView(enclosedInScrollableAncestorView)
{
}
const WebCore::FloatRect& exposedContentRect() const { return m_exposedContentRect; }
const WebCore::FloatRect& unobscuredContentRect() const { return m_unobscuredContentRect; }
const WebCore::FloatRect& unobscuredRectInScrollViewCoordinates() const { return m_unobscuredRectInScrollViewCoordinates; }
const WebCore::FloatRect& unobscuredContentRectRespectingInputViewBounds() const { return m_unobscuredContentRectRespectingInputViewBounds; }
const WebCore::FloatRect& customFixedPositionRect() const { return m_customFixedPositionRect; }
const WebCore::FloatBoxExtent& obscuredInsets() const { return m_obscuredInsets; }
const WebCore::FloatBoxExtent& unobscuredSafeAreaInsets() const { return m_unobscuredSafeAreaInsets; }
double scale() const { return m_scale; }
bool inStableState() const { return m_inStableState; }
bool isFirstUpdateForNewViewSize() const { return m_isFirstUpdateForNewViewSize; }
bool isChangingObscuredInsetsInteractively() const { return m_isChangingObscuredInsetsInteractively; }
bool allowShrinkToFit() const { return m_allowShrinkToFit; }
bool enclosedInScrollableAncestorView() const { return m_enclosedInScrollableAncestorView; }
MonotonicTime timestamp() const { return m_timestamp; }
double horizontalVelocity() const { return m_horizontalVelocity; }
double verticalVelocity() const { return m_verticalVelocity; }
double scaleChangeRate() const { return m_scaleChangeRate; }
uint64_t lastLayerTreeTransactionID() const { return m_lastLayerTreeTransactionID; }
void encode(IPC::Encoder&) const;
static bool decode(IPC::Decoder&, VisibleContentRectUpdateInfo&);
String dump() const;
private:
WebCore::FloatRect m_exposedContentRect;
WebCore::FloatRect m_unobscuredContentRect;
WebCore::FloatRect m_unobscuredRectInScrollViewCoordinates;
WebCore::FloatRect m_unobscuredContentRectRespectingInputViewBounds;
WebCore::FloatRect m_customFixedPositionRect; // When visual viewports are enabled, this is the layout viewport.
WebCore::FloatBoxExtent m_obscuredInsets;
WebCore::FloatBoxExtent m_unobscuredSafeAreaInsets;
uint64_t m_lastLayerTreeTransactionID { 0 };
double m_scale { -1 };
MonotonicTime m_timestamp;
double m_horizontalVelocity { 0 };
double m_verticalVelocity { 0 };
double m_scaleChangeRate { 0 };
bool m_inStableState { false };
bool m_isFirstUpdateForNewViewSize { false };
bool m_isChangingObscuredInsetsInteractively { false };
bool m_allowShrinkToFit { false };
bool m_enclosedInScrollableAncestorView { false };
};
inline bool operator==(const VisibleContentRectUpdateInfo& a, const VisibleContentRectUpdateInfo& b)
{
// Note: the comparison doesn't include timestamp and velocity since we care about equality based on the other data.
return a.scale() == b.scale()
&& a.exposedContentRect() == b.exposedContentRect()
&& a.unobscuredContentRect() == b.unobscuredContentRect()
&& a.customFixedPositionRect() == b.customFixedPositionRect()
&& a.obscuredInsets() == b.obscuredInsets()
&& a.unobscuredSafeAreaInsets() == b.unobscuredSafeAreaInsets()
&& a.horizontalVelocity() == b.horizontalVelocity()
&& a.verticalVelocity() == b.verticalVelocity()
&& a.scaleChangeRate() == b.scaleChangeRate()
&& a.inStableState() == b.inStableState()
&& a.isFirstUpdateForNewViewSize() == b.isFirstUpdateForNewViewSize()
&& a.allowShrinkToFit() == b.allowShrinkToFit()
&& a.enclosedInScrollableAncestorView() == b.enclosedInScrollableAncestorView();
}
WTF::TextStream& operator<<(WTF::TextStream&, const VisibleContentRectUpdateInfo&);
} // namespace WebKit
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