Upstream version 9.38.198.0

[platform/framework/web/crosswalk.git] / src / mojo / services / public / cpp / view_manager / view_manager_delegate.h

diff --git a/src/mojo/services/public/cpp/view_manager/view_manager_delegate.h b/src/mojo/services/public/cpp/view_manager/view_manager_delegate.h
index bceee02..bbb9867 100644 (file)
--- a/src/mojo/services/public/cpp/view_manager/view_manager_delegate.h
+++ b/src/mojo/services/public/cpp/view_manager/view_manager_delegate.h
@@ -5,21 +5,45 @@
 #ifndef MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_MANAGER_DELEGATE_H_
 #define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_MANAGER_DELEGATE_H_
 
+#include "base/memory/scoped_ptr.h"
+#include "mojo/public/interfaces/application/service_provider.mojom.h"
+
 namespace mojo {
-namespace view_manager {
 
-class Node;
+class ServiceProviderImpl;
+class View;
 class ViewManager;
 
+// Interface implemented by an application using the view manager.
 class ViewManagerDelegate {
  public:
-  virtual void OnRootAdded(ViewManager* view_manager, Node* root) {}
+  // Called when the application implementing this interface is embedded at
+  // |root|. |view_manager| is an implementation of an object bound to a
+  // connection to the view manager service. The object is valid until
+  // OnViewManagerDisconnected() is called with the same object.
+  // This function is called for every embed, but there will be a unique
+  // instance of |view_manager| only for every unique connection. See
+  // the class description of ViewManager for some rules about when a new
+  // connection is made.
+  // |exported_services| is an object that the delegate can add services to to
+  // expose to the embedder. |imported_services| exposes the services offered by
+  // the embedder to the delegate. Note that if a different application is
+  // subsequently embedded at |root|, the pipe(s) connecting |imported_services|
+  // to the embedder and any services obtained from it are not broken and will
+  // continue to be valid.
+  virtual void OnEmbed(ViewManager* view_manager,
+                       View* root,
+                       ServiceProviderImpl* exported_services,
+                       scoped_ptr<ServiceProvider> imported_services) = 0;
+
+  // Called when a connection to the view manager service is closed.
+  // |view_manager| is not valid after this function returns.
+  virtual void OnViewManagerDisconnected(ViewManager* view_manager) = 0;
 
  protected:
   virtual ~ViewManagerDelegate() {}
 };
 
-}  // namespace view_manager
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_VIEW_MANAGER_DELEGATE_H_