Revert "Fix broken channel icon in chrome://help on CrOS" and try again
[chromium-blink-merge.git] / mojo / application / public / cpp / application_delegate.h
bloba3784908739a9e8ca9212c7b73d47114b5d09aca
1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_DELEGATE_H_
6 #define MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_DELEGATE_H_
8 #include <string>
10 #include "mojo/public/cpp/system/macros.h"
12 namespace mojo {
14 class ApplicationConnection;
15 class ApplicationImpl;
17 // An abstract class that the application may subclass to control various
18 // behaviors of ApplicationImpl.
19 class ApplicationDelegate {
20 public:
21 ApplicationDelegate();
22 virtual ~ApplicationDelegate();
24 // Called exactly once before any other method.
25 virtual void Initialize(ApplicationImpl* app);
27 // Override this method to configure what services a connection supports when
28 // being connected to from an app.
29 // Return false to reject the connection entirely.
30 virtual bool ConfigureIncomingConnection(ApplicationConnection* connection);
32 // Override this method to configure what services a connection supports when
33 // connecting to another app.
34 // Return false to reject the connection entirely.
35 virtual bool ConfigureOutgoingConnection(ApplicationConnection* connection);
37 // Called when the shell connection has a connection error.
39 // Return true to shutdown the application. Return false to skip shutting
40 // down the connection, but user is then required to call
41 // ApplicationImpl::QuitNow() when done.
42 virtual bool OnShellConnectionError();
44 // Called before ApplicationImpl::Terminate(). After returning from this call
45 // the delegate can no longer rely on the main run loop still running.
46 virtual void Quit();
48 private:
49 MOJO_DISALLOW_COPY_AND_ASSIGN(ApplicationDelegate);
52 } // namespace mojo
54 #endif // MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_DELEGATE_H_