| /* |
| * Copyright (C) 2016 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. ``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 |
| * 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 "DisplayListItems.h" |
| #include <wtf/FastMalloc.h> |
| #include <wtf/Noncopyable.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace WTF { |
| class TextStream; |
| } |
| |
| namespace WebCore { |
| |
| class FloatRect; |
| class GraphicsContext; |
| |
| namespace DisplayList { |
| |
| class Item; |
| |
| enum AsTextFlag { |
| None = 0, |
| IncludesPlatformOperations = 1 << 0, |
| }; |
| |
| typedef unsigned AsTextFlags; |
| |
| class DisplayList { |
| WTF_MAKE_NONCOPYABLE(DisplayList); WTF_MAKE_FAST_ALLOCATED; |
| friend class Recorder; |
| friend class Replayer; |
| public: |
| DisplayList() = default; |
| DisplayList(DisplayList&&) = default; |
| |
| DisplayList& operator=(DisplayList&&) = default; |
| |
| void dump(WTF::TextStream&) const; |
| |
| const Vector<Ref<Item>>& list() const { return m_list; } |
| Item& itemAt(size_t index) |
| { |
| ASSERT(index < m_list.size()); |
| return m_list[index].get(); |
| } |
| |
| void clear(); |
| void removeItemsFromIndex(size_t); |
| |
| size_t itemCount() const { return m_list.size(); } |
| size_t sizeInBytes() const; |
| |
| String asText(AsTextFlags) const; |
| |
| #if !defined(NDEBUG) || !LOG_DISABLED |
| WTF::CString description() const; |
| void dump() const; |
| #endif |
| |
| private: |
| Item& append(Ref<Item>&& item) |
| { |
| m_list.append(WTFMove(item)); |
| return m_list.last().get(); |
| } |
| |
| // Less efficient append, only used for tracking replay. |
| void appendItem(Item& item) |
| { |
| m_list.append(item); |
| } |
| |
| static bool shouldDumpForFlags(AsTextFlags, const Item&); |
| |
| Vector<Ref<Item>>& list() { return m_list; } |
| |
| Vector<Ref<Item>> m_list; |
| }; |
| |
| } // DisplayList |
| |
| WTF::TextStream& operator<<(WTF::TextStream&, const DisplayList::DisplayList&); |
| |
| } // WebCore |
| |
| using WebCore::DisplayList::DisplayList; |
| |