| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_AURA_MUS_CLIENT_SURFACE_EMBEDDER_H_ |
| #define UI_AURA_MUS_CLIENT_SURFACE_EMBEDDER_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "components/viz/common/surfaces/surface_info.h" |
| #include "ui/aura/aura_export.h" |
| #include "ui/gfx/geometry/insets.h" |
| |
| namespace ui { |
| class Layer; |
| class LayerOwner; |
| } |
| |
| namespace aura { |
| |
| class Window; |
| |
| // Used by WindowPortMus when it is embedding a client. Responsible for setting |
| // up layers containing content from the client, parenting them to the window's |
| // layer, and updating them when the client submits new surfaces. |
| class AURA_EXPORT ClientSurfaceEmbedder { |
| public: |
| // TODO(fsamuel): Insets might differ when the window is maximized. We should |
| // deal with that case as well. |
| ClientSurfaceEmbedder(Window* window, |
| bool inject_gutter, |
| const gfx::Insets& client_area_insets); |
| ~ClientSurfaceEmbedder(); |
| |
| // Updates the clip layer and primary SurfaceId of the surface layer based |
| // on the provided |surface_id|. |
| void SetSurfaceId(const viz::SurfaceId& surface_id); |
| |
| bool HasPrimarySurfaceId() const; |
| |
| // Sets the fallback SurfaceInfo of the surface layer. The clip layer is not |
| // updated. |
| void SetFallbackSurfaceInfo(const viz::SurfaceInfo& surface_info); |
| |
| void SetClientAreaInsets(const gfx::Insets& client_area_insets); |
| const gfx::Insets& client_area_insets() const { return client_area_insets_; } |
| |
| // Update the surface layer size and the right and bottom gutter layers for |
| // the current window size. |
| void UpdateSizeAndGutters(); |
| |
| ui::Layer* RightGutterForTesting(); |
| |
| ui::Layer* BottomGutterForTesting(); |
| |
| const viz::SurfaceId& GetSurfaceIdForTesting() const; |
| |
| private: |
| // The window which embeds the client. |
| Window* window_; |
| |
| // Contains the client's content. This (and other Layers) are wrapped in a |
| // LayerOwner so that animations clone the layer. |
| std::unique_ptr<ui::LayerOwner> surface_layer_owner_; |
| |
| // Information describing the currently set fallback surface. |
| viz::SurfaceInfo fallback_surface_info_; |
| |
| // Used for showing a gutter when the content is not available. |
| std::unique_ptr<ui::LayerOwner> right_gutter_owner_; |
| std::unique_ptr<ui::LayerOwner> bottom_gutter_owner_; |
| |
| bool inject_gutter_; |
| gfx::Insets client_area_insets_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ClientSurfaceEmbedder); |
| }; |
| |
| } // namespace aura |
| |
| #endif // UI_AURA_MUS_CLIENT_SURFACE_EMBEDDER_H_ |