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mojo/application/content_handler_factory.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_APPLICATION_CONTENT_HANDLER_FACTORY_H_
+#define MOJO_APPLICATION_CONTENT_HANDLER_FACTORY_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "mojo/public/cpp/application/interface_factory.h"
+#include "mojo/public/interfaces/application/shell.mojom.h"
+#include "mojo/services/network/public/interfaces/url_loader.mojom.h"
+#include "third_party/mojo_services/src/content_handler/public/interfaces/content_handler.mojom.h"
+
+namespace mojo {
+
+class ContentHandlerFactory : public InterfaceFactory<ContentHandler> {
+ public:
+  class HandledApplicationHolder {
+   public:
+    virtual ~HandledApplicationHolder() {}
+  };
+
+  class Delegate {
+   public:
+    virtual ~Delegate() {}
+    // Implement this method to create the Application. This method will be
+    // called on a new thread. Leaving this method will quit the application.
+    virtual void RunApplication(
+        InterfaceRequest<Application> application_request,
+        URLResponsePtr response) = 0;
+  };
+
+  class ManagedDelegate : public Delegate {
+   public:
+    ~ManagedDelegate() override {}
+    // Implement this method to create the Application for the given content.
+    // This method will be called on a new thread. The application will be run
+    // on this new thread, and the returned value will be kept alive until the
+    // application ends.
+    virtual scoped_ptr<HandledApplicationHolder> CreateApplication(
+        InterfaceRequest<Application> application_request,
+        URLResponsePtr response) = 0;
+
+   private:
+    void RunApplication(InterfaceRequest<Application> application_request,
+                        URLResponsePtr response) override;
+  };
+
+  explicit ContentHandlerFactory(Delegate* delegate);
+  ~ContentHandlerFactory() override;
+
+ private:
+  // From InterfaceFactory:
+  void Create(ApplicationConnection* connection,
+              InterfaceRequest<ContentHandler> request) override;
+
+  Delegate* delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(ContentHandlerFactory);
+};
+
+template <class A>
+class HandledApplicationHolderImpl
+    : public ContentHandlerFactory::HandledApplicationHolder {
+ public:
+  explicit HandledApplicationHolderImpl(A* value) : value_(value) {}
+
+ private:
+  scoped_ptr<A> value_;
+};
+
+template <class A>
+scoped_ptr<ContentHandlerFactory::HandledApplicationHolder>
+make_handled_factory_holder(A* value) {
+  return make_scoped_ptr(new HandledApplicationHolderImpl<A>(value));
+}
+
+}  // namespace mojo
+
+#endif  // MOJO_APPLICATION_CONTENT_HANDLER_FACTORY_H_