blob: 290be23e7b076f122bd40adf60c23b47eb0880c8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
// 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 CHROMEOS_DBUS_SERVICES_CONSOLE_SERVICE_PROVIDER_H_
#define CHROMEOS_DBUS_SERVICES_CONSOLE_SERVICE_PROVIDER_H_
#include <string>
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chromeos/chromeos_export.h"
#include "chromeos/dbus/services/cros_dbus_service.h"
#include "dbus/exported_object.h"
namespace chromeos {
// This class provides an API for external apps to notify
// chrome that it should release control of the display server.
// The main client is the console application. This can
// also be used by crouton to take over the display.
class CHROMEOS_EXPORT ConsoleServiceProvider
: public CrosDBusService::ServiceProviderInterface {
public:
class Delegate {
public:
virtual ~Delegate() {}
// Performs the actual work needed by the provider methods with the same
// names.
virtual void TakeDisplayOwnership() = 0;
virtual void ReleaseDisplayOwnership() = 0;
};
explicit ConsoleServiceProvider(scoped_ptr<Delegate> delegate);
~ConsoleServiceProvider() override;
// CrosDBusService::ServiceProviderInterface overrides:
void Start(scoped_refptr<dbus::ExportedObject> exported_object) override;
private:
// This method will get called when a external process no longer needs
// control of the display and Chrome can take ownership.
void TakeDisplayOwnership(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
// This method will get called when a external process needs control of
// the display and needs Chrome to release ownership.
void ReleaseDisplayOwnership(
dbus::MethodCall* method_call,
dbus::ExportedObject::ResponseSender response_sender);
// This method is called when a dbus method is exported. If the export of the
// method is successful, |success| will be true. It will be false
// otherwise.
void OnExported(const std::string& interface_name,
const std::string& method_name,
bool success);
scoped_ptr<Delegate> delegate_;
base::WeakPtrFactory<ConsoleServiceProvider> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(ConsoleServiceProvider);
};
} // namespace chromeos
#endif // CHROMEOS_DBUS_SERVICES_CONSOLE_SERVICE_PROVIDER_H_
|
