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// 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_SHELL_UI_SERVICE_LOADER_ANDROID_H_
#define MOJO_SHELL_UI_SERVICE_LOADER_ANDROID_H_
#include "base/memory/scoped_ptr.h"
#include "mojo/service_manager/service_loader.h"
namespace mojo {
class ServiceManager;
namespace shell {
class Context;
}
// ServiceLoader implementation that creates a background thread and issues load
// requests there.
class UIServiceLoader : public ServiceLoader {
public:
UIServiceLoader(scoped_ptr<ServiceLoader> real_loader,
shell::Context* context);
virtual ~UIServiceLoader();
// ServiceLoader overrides:
virtual void LoadService(ServiceManager* manager,
const GURL& url,
ScopedMessagePipeHandle shell_handle) OVERRIDE;
virtual void OnServiceError(ServiceManager* manager,
const GURL& url) OVERRIDE;
private:
class UILoader;
// These functions are exected on the background thread. They call through
// to |background_loader_| to do the actual loading.
// TODO: having this code take a |manager| is fragile (as ServiceManager isn't
// thread safe).
void LoadServiceOnUIThread(ServiceManager* manager,
const GURL& url,
ScopedMessagePipeHandle* shell_handle);
void OnServiceErrorOnUIThread(ServiceManager* manager, const GURL& url);
void ShutdownOnUIThread();
scoped_ptr<ServiceLoader> loader_;
shell::Context* context_;
// Lives on the UI thread. Trivial interface that calls through to |loader_|.
UILoader* ui_loader_;
DISALLOW_COPY_AND_ASSIGN(UIServiceLoader);
};
} // namespace mojo
#endif // MOJO_SHELL_UI_SERVICE_LOADER_ANDROID_H_