| // 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 CONTENT_RENDERER_MUS_MUS_EMBEDDED_FRAME_H_ |
| #define CONTENT_RENDERER_MUS_MUS_EMBEDDED_FRAME_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/unguessable_token.h" |
| #include "components/viz/common/surfaces/local_surface_id.h" |
| #include "services/ws/common/types.h" |
| #include "ui/gfx/geometry/rect.h" |
| |
| namespace ws { |
| namespace mojom { |
| class WindowTree; |
| } |
| } // namespace ui |
| |
| namespace content { |
| |
| class MusEmbeddedFrameDelegate; |
| class RendererWindowTreeClient; |
| |
| // MusEmbeddedFrame represents an embedding of an OOPIF frame. Internally this |
| // creates a window in the window server and calls Embed(). |
| class MusEmbeddedFrame { |
| public: |
| ~MusEmbeddedFrame(); |
| |
| // Sets the bounds (in pixels) of the embedded frame. |
| void SetWindowBounds(const viz::LocalSurfaceId& local_surface_id, |
| const gfx::Rect& bounds); |
| |
| private: |
| friend class RendererWindowTreeClient; |
| |
| // Stores state that needs to pushed to the server once the connection has |
| // been established (OnEmbed() is called). |
| struct PendingState { |
| PendingState(); |
| ~PendingState(); |
| |
| base::UnguessableToken token; |
| viz::LocalSurfaceId local_surface_id; |
| gfx::Rect bounds; |
| // True if SetWindowBounds() was called. |
| bool was_set_window_bounds_called = false; |
| }; |
| |
| MusEmbeddedFrame(RendererWindowTreeClient* renderer_window_tree_client, |
| MusEmbeddedFrameDelegate* delegate, |
| ws::ClientSpecificId window_id, |
| const base::UnguessableToken& token); |
| |
| // Called once the WindowTree has been obtained. This is only called if |
| // the MusEmbeddedFrame is created before the WindowTree has been obtained. |
| void OnTreeAvailable(); |
| |
| // Called when the WindowTree held by |renderer_window_tree_client_| is about |
| // to change. This means the renderer was reembeded. |
| void OnTreeWillChange(); |
| |
| // Does the actual embedding. |
| void CreateChildWindowAndEmbed(const base::UnguessableToken& token); |
| |
| uint32_t GetAndAdvanceNextChangeId(); |
| |
| ws::mojom::WindowTree* window_tree(); |
| |
| RendererWindowTreeClient* renderer_window_tree_client_; |
| MusEmbeddedFrameDelegate* delegate_; |
| const ws::ClientSpecificId window_id_; |
| |
| std::unique_ptr<PendingState> pending_state_; |
| |
| // If set, the WindowTree that state was created on has changed. |
| bool tree_changed_ = false; |
| |
| DISALLOW_COPY_AND_ASSIGN(MusEmbeddedFrame); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_MUS_MUS_EMBEDDED_FRAME_H_ |