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// Copyright 2015 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_STATIC_APPLICATION_LOADER_H_
#define MOJO_SHELL_STATIC_APPLICATION_LOADER_H_
#include <list>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "mojo/shell/application_loader.h"
namespace base {
class SimpleThread;
}
namespace mojo {
class ApplicationDelegate;
}
namespace mojo {
namespace shell {
// An ApplicationLoader which loads a single type of app from a given
// ApplicationDelegate factory. A Load() request is fulfilled by creating an
// instance of the app on a new thread. Only one instance of the app will run at
// a time. Any Load requests received while the app is running will be dropped.
class StaticApplicationLoader : public mojo::shell::ApplicationLoader {
public:
using ApplicationFactory =
base::Callback<scoped_ptr<mojo::ApplicationDelegate>()>;
// Constructs a static loader for |factory|.
explicit StaticApplicationLoader(const ApplicationFactory& factory);
// Constructs a static loader for |factory| with a closure that will be called
// when the loaded application quits.
StaticApplicationLoader(const ApplicationFactory& factory,
const base::Closure& quit_callback);
~StaticApplicationLoader() override;
// mojo::shell::ApplicationLoader:
void Load(const GURL& url,
mojo::InterfaceRequest<mojo::Application> request) override;
private:
void StopAppThread();
// The factory used t create new instances of the application delegate.
ApplicationFactory factory_;
// If not null, this is run when the loaded application quits.
base::Closure quit_callback_;
// Thread for the application if currently running.
scoped_ptr<base::SimpleThread> thread_;
base::WeakPtrFactory<StaticApplicationLoader> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(StaticApplicationLoader);
};
} // namespace shell
} // namespace mojo
#endif // MOJO_SHELL_STATIC_APPLICATION_LOADER_H_
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