| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkSGGroup_DEFINED |
| #define SkSGGroup_DEFINED |
| |
| #include "modules/sksg/include/SkSGRenderNode.h" |
| |
| #include <vector> |
| |
| namespace sksg { |
| |
| /** |
| * Concrete node, grouping together multiple descendants. |
| */ |
| class Group : public RenderNode { |
| public: |
| static sk_sp<Group> Make() { |
| return sk_sp<Group>(new Group(std::vector<sk_sp<RenderNode>>())); |
| } |
| |
| static sk_sp<Group> Make(std::vector<sk_sp<RenderNode>> children) { |
| return sk_sp<Group>(new Group(std::move(children))); |
| } |
| |
| void addChild(sk_sp<RenderNode>); |
| void removeChild(const sk_sp<RenderNode>&); |
| |
| size_t size() const { return fChildren.size(); } |
| bool empty() const { return fChildren.empty(); } |
| void clear(); |
| |
| protected: |
| explicit Group(std::vector<sk_sp<RenderNode>>); |
| ~Group() override; |
| |
| void onRender(SkCanvas*, const RenderContext*) const override; |
| const RenderNode* onNodeAt(const SkPoint&) const override; |
| |
| SkRect onRevalidate(InvalidationController*, const SkMatrix&) override; |
| |
| private: |
| std::vector<sk_sp<RenderNode>> fChildren; |
| |
| typedef RenderNode INHERITED; |
| }; |
| |
| } // namespace sksg |
| |
| #endif // SkSGGroup_DEFINED |