More viewmanager renaming:

mojo/services/view_manager/root_node_manager.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 MOJO_SERVICES_VIEW_MANAGER_ROOT_NODE_MANAGER_H_
-#define MOJO_SERVICES_VIEW_MANAGER_ROOT_NODE_MANAGER_H_
-
-#include <map>
-#include <set>
-
-#include "base/basictypes.h"
-#include "mojo/public/cpp/bindings/array.h"
-#include "mojo/services/view_manager/display_manager.h"
-#include "mojo/services/view_manager/ids.h"
-#include "mojo/services/view_manager/node.h"
-#include "mojo/services/view_manager/node_delegate.h"
-#include "mojo/services/view_manager/view_manager_export.h"
-
-namespace ui {
-class Event;
-}
-
-namespace mojo {
-
-class ApplicationConnection;
-
-namespace service {
-
-class DisplayManagerDelegate;
-class ViewManagerServiceImpl;
-
-// RootNodeManager is responsible for managing the set of
-// ViewManagerServiceImpls as well as providing the root of the node hierarchy.
-class MOJO_VIEW_MANAGER_EXPORT RootNodeManager : public NodeDelegate {
- public:
-  // Create when a ViewManagerServiceImpl is about to make a change. Ensures
-  // clients are notified of the correct change id.
-  class ScopedChange {
-   public:
-    ScopedChange(ViewManagerServiceImpl* connection,
-                 RootNodeManager* root,
-                 bool is_delete_node);
-    ~ScopedChange();
-
-    ConnectionSpecificId connection_id() const { return connection_id_; }
-    bool is_delete_node() const { return is_delete_node_; }
-
-    // Marks the connection with the specified id as having seen a message.
-    void MarkConnectionAsMessaged(ConnectionSpecificId connection_id) {
-      message_ids_.insert(connection_id);
-    }
-
-    // Returns true if MarkConnectionAsMessaged(connection_id) was invoked.
-    bool DidMessageConnection(ConnectionSpecificId connection_id) const {
-      return message_ids_.count(connection_id) > 0;
-    }
-
-   private:
-    RootNodeManager* root_;
-    const ConnectionSpecificId connection_id_;
-    const bool is_delete_node_;
-
-    // See description of MarkConnectionAsMessaged/DidMessageConnection.
-    std::set<ConnectionSpecificId> message_ids_;
-
-    DISALLOW_COPY_AND_ASSIGN(ScopedChange);
-  };
-
-  RootNodeManager(ApplicationConnection* app_connection,
-                  DisplayManagerDelegate* display_manager_delegate,
-                  const Callback<void()>& native_viewport_closed_callback);
-  virtual ~RootNodeManager();
-
-  // Returns the id for the next ViewManagerServiceImpl.
-  ConnectionSpecificId GetAndAdvanceNextConnectionId();
-
-  void AddConnection(ViewManagerServiceImpl* connection);
-  void RemoveConnection(ViewManagerServiceImpl* connection);
-
-  // Establishes the initial client. Similar to Connect(), but the resulting
-  // client is allowed to do anything.
-  void EmbedRoot(const std::string& url,
-                 InterfaceRequest<ServiceProvider> service_provider);
-
-  // See description of ViewManagerService::Embed() for details. This assumes
-  // |transport_node_id| is valid.
-  void Embed(ConnectionSpecificId creator_id,
-             const String& url,
-             Id transport_node_id,
-             InterfaceRequest<ServiceProvider> service_provider);
-
-  // Returns the connection by id.
-  ViewManagerServiceImpl* GetConnection(ConnectionSpecificId connection_id);
-
-  // Returns the Node identified by |id|.
-  Node* GetNode(const NodeId& id);
-
-  Node* root() { return root_.get(); }
-
-  bool IsProcessingChange() const { return current_change_ != NULL; }
-
-  bool is_processing_delete_node() const {
-    return current_change_ && current_change_->is_delete_node(); }
-
-  // Invoked when a connection messages a client about the change. This is used
-  // to avoid sending ServerChangeIdAdvanced() unnecessarily.
-  void OnConnectionMessagedClient(ConnectionSpecificId id);
-
-  // Returns true if OnConnectionMessagedClient() was invoked for id.
-  bool DidConnectionMessageClient(ConnectionSpecificId id) const;
-
-  ViewManagerServiceImpl* GetConnectionByCreator(
-      ConnectionSpecificId creator_id,
-      const std::string& url) const;
-
-  // Returns the ViewManagerServiceImpl that has |id| as a root.
-  ViewManagerServiceImpl* GetConnectionWithRoot(const NodeId& id) {
-    return const_cast<ViewManagerServiceImpl*>(
-        const_cast<const RootNodeManager*>(this)->GetConnectionWithRoot(id));
-  }
-  const ViewManagerServiceImpl* GetConnectionWithRoot(const NodeId& id) const;
-
-  void DispatchNodeInputEventToWindowManager(EventPtr event);
-
-  // These functions trivially delegate to all ViewManagerServiceImpls, which in
-  // term notify their clients.
-  void ProcessNodeDestroyed(Node* node);
-  void ProcessNodeBoundsChanged(const Node* node,
-                                const gfx::Rect& old_bounds,
-                                const gfx::Rect& new_bounds);
-  void ProcessNodeHierarchyChanged(const Node* node,
-                                   const Node* new_parent,
-                                   const Node* old_parent);
-  void ProcessNodeReorder(const Node* node,
-                          const Node* relative_node,
-                          const OrderDirection direction);
-  void ProcessNodeDeleted(const NodeId& node);
-
- private:
-  // Used to setup any static state needed by RootNodeManager.
-  struct Context {
-    Context();
-    ~Context();
-  };
-
-  typedef std::map<ConnectionSpecificId, ViewManagerServiceImpl*> ConnectionMap;
-
-  // Invoked when a connection is about to make a change.  Subsequently followed
-  // by FinishChange() once the change is done.
-  //
-  // Changes should never nest, meaning each PrepareForChange() must be
-  // balanced with a call to FinishChange() with no PrepareForChange()
-  // in between.
-  void PrepareForChange(ScopedChange* change);
-
-  // Balances a call to PrepareForChange().
-  void FinishChange();
-
-  // Returns true if the specified connection originated the current change.
-  bool IsChangeSource(ConnectionSpecificId connection_id) const {
-    return current_change_ && current_change_->connection_id() == connection_id;
-  }
-
-  // Implementation of the two embed variants.
-  ViewManagerServiceImpl* EmbedImpl(
-      ConnectionSpecificId creator_id,
-      const String& url,
-      const NodeId& root_id,
-      InterfaceRequest<ServiceProvider> service_provider);
-
-  // Overridden from NodeDelegate:
-  virtual void OnNodeDestroyed(const Node* node) OVERRIDE;
-  virtual void OnNodeHierarchyChanged(const Node* node,
-                                      const Node* new_parent,
-                                      const Node* old_parent) OVERRIDE;
-  virtual void OnNodeBoundsChanged(const Node* node,
-                                   const gfx::Rect& old_bounds,
-                                   const gfx::Rect& new_bounds) OVERRIDE;
-  virtual void OnNodeBitmapChanged(const Node* node) OVERRIDE;
-
-  Context context_;
-
-  ApplicationConnection* app_connection_;
-
-  // ID to use for next ViewManagerServiceImpl.
-  ConnectionSpecificId next_connection_id_;
-
-  // Set of ViewManagerServiceImpls.
-  ConnectionMap connection_map_;
-
-  DisplayManager display_manager_;
-
-  // Root node.
-  scoped_ptr<Node> root_;
-
-  // Set of ViewManagerServiceImpls created by way of Connect(). These have to
-  // be explicitly destroyed.
-  std::set<ViewManagerServiceImpl*> connections_created_by_connect_;
-
-  // If non-null we're processing a change. The ScopedChange is not owned by us
-  // (it's created on the stack by ViewManagerServiceImpl).
-  ScopedChange* current_change_;
-
-  DISALLOW_COPY_AND_ASSIGN(RootNodeManager);
-};
-
-}  // namespace service
-}  // namespace mojo
-
-#endif  // MOJO_SERVICES_VIEW_MANAGER_ROOT_NODE_MANAGER_H_