| 1 | // Copyright 2013 The Flutter Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef FLUTTER_FLOW_LAYERS_CONTAINER_LAYER_H_ |
| 6 | #define FLUTTER_FLOW_LAYERS_CONTAINER_LAYER_H_ |
| 7 | |
| 8 | #include <vector> |
| 9 | |
| 10 | #include "flutter/flow/layers/layer.h" |
| 11 | |
| 12 | namespace flutter { |
| 13 | |
| 14 | class ContainerLayer : public Layer { |
| 15 | public: |
| 16 | ContainerLayer(); |
| 17 | |
| 18 | void Diff(DiffContext* context, const Layer* old_layer) override; |
| 19 | void PreservePaintRegion(DiffContext* context) override; |
| 20 | |
| 21 | virtual void Add(std::shared_ptr<Layer> layer); |
| 22 | |
| 23 | void Preroll(PrerollContext* context) override; |
| 24 | void Paint(PaintContext& context) const override; |
| 25 | |
| 26 | const std::vector<std::shared_ptr<Layer>>& layers() const { return layers_; } |
| 27 | |
| 28 | virtual void DiffChildren(DiffContext* context, |
| 29 | const ContainerLayer* old_layer); |
| 30 | |
| 31 | void PaintChildren(PaintContext& context) const override; |
| 32 | |
| 33 | const ContainerLayer* as_container_layer() const override { return this; } |
| 34 | |
| 35 | const SkRect& child_paint_bounds() const { return child_paint_bounds_; } |
| 36 | void set_child_paint_bounds(const SkRect& bounds) { |
| 37 | child_paint_bounds_ = bounds; |
| 38 | } |
| 39 | |
| 40 | int children_renderable_state_flags() const { |
| 41 | return children_renderable_state_flags_; |
| 42 | } |
| 43 | void set_children_renderable_state_flags(int flags) { |
| 44 | children_renderable_state_flags_ = flags; |
| 45 | } |
| 46 | |
| 47 | protected: |
| 48 | void PrerollChildren(PrerollContext* context, SkRect* child_paint_bounds); |
| 49 | |
| 50 | private: |
| 51 | std::vector<std::shared_ptr<Layer>> layers_; |
| 52 | SkRect child_paint_bounds_; |
| 53 | int children_renderable_state_flags_ = 0; |
| 54 | |
| 55 | FML_DISALLOW_COPY_AND_ASSIGN(ContainerLayer); |
| 56 | }; |
| 57 | |
| 58 | } // namespace flutter |
| 59 | |
| 60 | #endif // FLUTTER_FLOW_LAYERS_CONTAINER_LAYER_H_ |
| 61 |