mus: move View Manager to components/mus/vm

components/mus/server_view.h

-// Copyright 2014 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 COMPONENTS_MUS_SERVER_VIEW_H_
-#define COMPONENTS_MUS_SERVER_VIEW_H_
-
-#include <vector>
-
-#include "base/logging.h"
-#include "base/observer_list.h"
-#include "cc/surfaces/surface_factory.h"
-#include "cc/surfaces/surface_factory_client.h"
-#include "cc/surfaces/surface_id.h"
-#include "cc/surfaces/surface_id_allocator.h"
-#include "components/mus/ids.h"
-#include "components/mus/public/interfaces/view_tree.mojom.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/binding.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/transform.h"
-#include "ui/platform_window/text_input_state.h"
-
-namespace mus {
-
-class ServerViewDelegate;
-class ServerViewObserver;
-
-// Server side representation of a view. Delegate is informed of interesting
-// events.
-//
-// It is assumed that all functions that mutate the tree have validated the
-// mutation is possible before hand. For example, Reorder() assumes the supplied
-// view is a child and not already in position.
-//
-// ServerViews do not own their children. If you delete a view that has children
-// the children are implicitly removed. Similarly if a view has a parent and the
-// view is deleted the deleted view is implicitly removed from the parent.
-class ServerView : public mojo::Surface, public cc::SurfaceFactoryClient {
- public:
-  ServerView(ServerViewDelegate* delegate, const ViewId& id);
-  ~ServerView() override;
-
-  void AddObserver(ServerViewObserver* observer);
-  void RemoveObserver(ServerViewObserver* observer);
-
-  // Binds the provided |request| to |this| object. If an interface is already
-  // bound to this ServerView then the old connection is closed first.
-  void Bind(mojo::InterfaceRequest<Surface> request,
-            mojo::SurfaceClientPtr client);
-
-  const ViewId& id() const { return id_; }
-
-  void Add(ServerView* child);
-  void Remove(ServerView* child);
-  void Reorder(ServerView* child,
-               ServerView* relative,
-               mojo::OrderDirection direction);
-
-  const gfx::Rect& bounds() const { return bounds_; }
-  void SetBounds(const gfx::Rect& bounds);
-
-  const ServerView* parent() const { return parent_; }
-  ServerView* parent() { return parent_; }
-
-  const ServerView* GetRoot() const;
-  ServerView* GetRoot() {
-    return const_cast<ServerView*>(
-        const_cast<const ServerView*>(this)->GetRoot());
-  }
-
-  std::vector<const ServerView*> GetChildren() const;
-  std::vector<ServerView*> GetChildren();
-
-  // Returns true if this contains |view| or is |view|.
-  bool Contains(const ServerView* view) const;
-
-  // Returns true if the window is visible. This does not consider visibility
-  // of any ancestors.
-  bool visible() const { return visible_; }
-  void SetVisible(bool value);
-
-  float opacity() const { return opacity_; }
-  void SetOpacity(float value);
-
-  const gfx::Transform& transform() const { return transform_; }
-  void SetTransform(const gfx::Transform& transform);
-
-  const std::map<std::string, std::vector<uint8_t>>& properties() const {
-    return properties_;
-  }
-  void SetProperty(const std::string& name, const std::vector<uint8_t>* value);
-
-  void SetTextInputState(const ui::TextInputState& state);
-  const ui::TextInputState& text_input_state() const {
-    return text_input_state_;
-  }
-
-  // Returns true if this view is attached to a root and all ancestors are
-  // visible.
-  bool IsDrawn() const;
-
-  void SetSurfaceId(cc::SurfaceId surface_id);
-  const cc::SurfaceId& surface_id() const { return surface_id_; }
-
-  const gfx::Size& last_submitted_frame_size() {
-    return last_submitted_frame_size_;
-  }
-
-  ServerViewDelegate* delegate() { return delegate_; }
-
-  // mojo::Surface:
-  void SubmitCompositorFrame(
-      mojo::CompositorFramePtr frame,
-      const SubmitCompositorFrameCallback& callback) override;
-
-#if !defined(NDEBUG)
-  std::string GetDebugWindowHierarchy() const;
-  void BuildDebugInfo(const std::string& depth, std::string* result) const;
-#endif
-
- private:
-  typedef std::vector<ServerView*> Views;
-
-  // SurfaceFactoryClient implementation.
-  void ReturnResources(const cc::ReturnedResourceArray& resources) override;
-
-  // Implementation of removing a view. Doesn't send any notification.
-  void RemoveImpl(ServerView* view);
-
-  ServerViewDelegate* delegate_;
-  const ViewId id_;
-  ServerView* parent_;
-  Views children_;
-  bool visible_;
-  gfx::Rect bounds_;
-  cc::SurfaceId surface_id_;
-  scoped_ptr<cc::SurfaceIdAllocator> surface_id_allocator_;
-  scoped_ptr<cc::SurfaceFactory> surface_factory_;
-  float opacity_;
-  gfx::Transform transform_;
-  ui::TextInputState text_input_state_;
-  gfx::Size last_submitted_frame_size_;
-
-  std::map<std::string, std::vector<uint8_t>> properties_;
-
-  base::ObserverList<ServerViewObserver> observers_;
-  mojo::SurfaceClientPtr client_;
-  mojo::Binding<Surface> binding_;
-
-  DISALLOW_COPY_AND_ASSIGN(ServerView);
-};
-
-}  // namespace mus
-
-#endif  // COMPONENTS_MUS_SERVER_VIEW_H_