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ce43f3d0c1
This is all wasted effort in sky since we invalidate the whole viewport on every frame. We'll probably eventually add back in some invalidation, but it likely won't be rect-based. R=esprehn@chromium.org Review URL: https://codereview.chromium.org/840403003
112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
/*
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* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
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* (C) 2000 Antti Koivisto (koivisto@kde.org)
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* (C) 2000 Dirk Mueller (mueller@kde.org)
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* (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
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* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef SKY_ENGINE_CORE_RENDERING_RENDERSELECTIONINFO_H_
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#define SKY_ENGINE_CORE_RENDERING_RENDERSELECTIONINFO_H_
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#include "sky/engine/core/rendering/RenderBox.h"
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#include "sky/engine/platform/geometry/IntRect.h"
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namespace blink {
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class RenderSelectionInfoBase {
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WTF_MAKE_NONCOPYABLE(RenderSelectionInfoBase); WTF_MAKE_FAST_ALLOCATED;
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public:
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RenderSelectionInfoBase()
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: m_object(nullptr)
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, m_paintInvalidationContainer(nullptr)
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, m_state(RenderObject::SelectionNone)
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{
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}
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RenderSelectionInfoBase(RenderObject* o)
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: m_object(o)
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, m_paintInvalidationContainer(o->containerForPaintInvalidation())
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, m_state(o->selectionState())
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{
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}
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RenderObject* object() const { return m_object; }
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const RenderLayerModelObject* paintInvalidationContainer() const { return m_paintInvalidationContainer; }
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RenderObject::SelectionState state() const { return m_state; }
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protected:
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RawPtr<RenderObject> m_object;
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RawPtr<const RenderLayerModelObject> m_paintInvalidationContainer;
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RenderObject::SelectionState m_state;
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};
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// FIXME(sky): Remove this class.
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// This struct is used when the selection changes to cache the old and new state of the selection for each RenderObject.
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class RenderSelectionInfo final : public RenderSelectionInfoBase {
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public:
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RenderSelectionInfo(RenderObject* o, bool clipToVisibleContent)
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: RenderSelectionInfoBase(o)
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{
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if (o->canUpdateSelectionOnRootLineBoxes()) {
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m_rect = o->selectionRectForPaintInvalidation(m_paintInvalidationContainer, clipToVisibleContent);
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} else {
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m_rect = LayoutRect();
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}
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}
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void invalidatePaint()
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{
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}
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LayoutRect rect() const { return m_rect; }
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private:
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LayoutRect m_rect; // relative to paint invalidation container
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};
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// FIXME(sky): Remove this class.
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// This struct is used when the selection changes to cache the old and new state of the selection for each RenderBlock.
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class RenderBlockSelectionInfo final : public RenderSelectionInfoBase {
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public:
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RenderBlockSelectionInfo(RenderBlock* b)
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: RenderSelectionInfoBase(b)
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{
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if (b->canUpdateSelectionOnRootLineBoxes())
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m_rects = block()->selectionGapRectsForPaintInvalidation(m_paintInvalidationContainer);
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else
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m_rects = GapRects();
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}
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void invalidatePaint()
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{
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}
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RenderBlock* block() const { return toRenderBlock(m_object); }
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GapRects rects() const { return m_rects; }
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private:
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GapRects m_rects; // relative to paint invalidation container
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_RENDERING_RENDERSELECTIONINFO_H_
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