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This CL flips the switch to make Sky use Dart. TBR=eseidel@chromium.org BUG=454613 Review URL: https://codereview.chromium.org/922893002
93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef SKY_ENGINE_CORE_HTML_CANVAS_HITREGION_H_
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#define SKY_ENGINE_CORE_HTML_CANVAS_HITREGION_H_
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#include "sky/engine/core/dom/Element.h"
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#include "sky/engine/platform/graphics/Path.h"
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#include "sky/engine/platform/heap/Handle.h"
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#include "sky/engine/wtf/Noncopyable.h"
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#include "sky/engine/wtf/OwnPtr.h"
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#include "sky/engine/wtf/PassOwnPtr.h"
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#include "sky/engine/wtf/PassRefPtr.h"
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#include "sky/engine/wtf/RefPtr.h"
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namespace blink {
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struct HitRegionOptions {
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STACK_ALLOCATED();
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public:
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String id;
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RefPtr<Element> control;
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Path path;
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WindRule fillRule;
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};
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class HitRegion final : public RefCounted<HitRegion> {
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public:
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static PassRefPtr<HitRegion> create(const HitRegionOptions& options)
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{
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return adoptRef(new HitRegion(options));
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}
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virtual ~HitRegion() { }
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void removePixels(const Path&);
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void updateAccessibility(Element* canvas);
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bool contains(const LayoutPoint&) const;
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const String& id() const { return m_id; }
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const Path& path() const { return m_path; }
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Element* control() const { return m_control.get(); }
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WindRule fillRule() const { return m_fillRule; }
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private:
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explicit HitRegion(const HitRegionOptions&);
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String m_id;
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RefPtr<Element> m_control;
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Path m_path;
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WindRule m_fillRule;
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};
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class HitRegionManager final {
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WTF_MAKE_NONCOPYABLE(HitRegionManager);
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DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(HitRegionManager)
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public:
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static PassOwnPtr<HitRegionManager> create() { return adoptPtr(new HitRegionManager()); }
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void addHitRegion(PassRefPtr<HitRegion>);
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void removeHitRegion(HitRegion*);
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void removeHitRegionById(const String& id);
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void removeHitRegionByControl(Element*);
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void removeHitRegionsInRect(const FloatRect&, const AffineTransform&);
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void removeAllHitRegions();
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HitRegion* getHitRegionById(const String& id) const;
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HitRegion* getHitRegionByControl(Element*) const;
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HitRegion* getHitRegionAtPoint(const LayoutPoint&) const;
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unsigned getHitRegionsCount() const;
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private:
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HitRegionManager() { }
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typedef ListHashSet<RefPtr<HitRegion> > HitRegionList;
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typedef HitRegionList::const_reverse_iterator HitRegionIterator;
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typedef HashMap<String, RefPtr<HitRegion> > HitRegionIdMap;
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typedef HashMap<RefPtr<Element>, RefPtr<HitRegion> > HitRegionControlMap;
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HitRegionList m_hitRegionList;
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HitRegionIdMap m_hitRegionIdMap;
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HitRegionControlMap m_hitRegionControlMap;
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_HTML_CANVAS_HITREGION_H_
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