| /* |
| * Copyright (C) 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 <WebCore/GraphicsLayer.h> |
| #include <wtf/RetainPtr.h> |
| #include <wtf/Vector.h> |
| |
| OBJC_CLASS CALayer; |
| #if PLATFORM(IOS_FAMILY) |
| OBJC_CLASS UIView; |
| #endif |
| |
| namespace WebKit { |
| |
| class RemoteLayerTreeScrollbars; |
| |
| class RemoteLayerTreeNode { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| RemoteLayerTreeNode(WebCore::GraphicsLayer::PlatformLayerID, RetainPtr<CALayer>); |
| #if PLATFORM(IOS_FAMILY) |
| RemoteLayerTreeNode(WebCore::GraphicsLayer::PlatformLayerID, RetainPtr<UIView>); |
| #endif |
| ~RemoteLayerTreeNode(); |
| |
| static std::unique_ptr<RemoteLayerTreeNode> createWithPlainLayer(WebCore::GraphicsLayer::PlatformLayerID); |
| |
| CALayer *layer() const { return m_layer.get(); } |
| #if PLATFORM(IOS_FAMILY) |
| UIView *uiView() const { return m_uiView.get(); } |
| #endif |
| |
| WebCore::GraphicsLayer::PlatformLayerID layerID() const { return m_layerID; } |
| |
| const WebCore::EventRegion& eventRegion() const { return m_eventRegion; } |
| void setEventRegion(const WebCore::EventRegion&); |
| |
| // Non-ancestor scroller that controls positioning of the layer. |
| WebCore::GraphicsLayer::PlatformLayerID actingScrollContainerID() const { return m_actingScrollContainerID; } |
| // Ancestor scrollers that don't affect positioning of the layer. |
| const Vector<WebCore::GraphicsLayer::PlatformLayerID>& stationaryScrollContainerIDs() const { return m_stationaryScrollContainerIDs; } |
| |
| void setActingScrollContainerID(WebCore::GraphicsLayer::PlatformLayerID value) { m_actingScrollContainerID = value; } |
| void setStationaryScrollContainerIDs(Vector<WebCore::GraphicsLayer::PlatformLayerID>&& value) { m_stationaryScrollContainerIDs = WTFMove(value); } |
| |
| void detachFromParent(); |
| |
| static WebCore::GraphicsLayer::PlatformLayerID layerID(CALayer *); |
| static RemoteLayerTreeNode* forCALayer(CALayer *); |
| |
| static NSString *appendLayerDescription(NSString *description, CALayer *); |
| |
| private: |
| void initializeLayer(); |
| |
| WebCore::GraphicsLayer::PlatformLayerID m_layerID; |
| |
| RetainPtr<CALayer> m_layer; |
| #if PLATFORM(IOS_FAMILY) |
| RetainPtr<UIView> m_uiView; |
| #endif |
| |
| WebCore::EventRegion m_eventRegion; |
| |
| WebCore::GraphicsLayer::PlatformLayerID m_actingScrollContainerID { 0 }; |
| Vector<WebCore::GraphicsLayer::PlatformLayerID> m_stationaryScrollContainerIDs; |
| }; |
| |
| } |