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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
// based on chrome/browser/chrome_service.cc:
// Copyright 2017 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.
#include "service_qt.h"
#include "base/no_destructor.h"
#include "components/spellcheck/spellcheck_buildflags.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/content_browser_client.h"
#include "services/service_manager/public/cpp/binder_registry.h"
#include "services/service_manager/public/cpp/connector.h"
#include "services/service_manager/public/cpp/service.h"
#include "services/service_manager/public/cpp/service_context.h"
#if BUILDFLAG(ENABLE_SPELLCHECK)
#include "chrome/browser/spellchecker/spell_check_host_chrome_impl.h"
#endif
class ServiceQt::IOThreadContext : public service_manager::Service {
public:
IOThreadContext();
~IOThreadContext() override = default;
void BindConnector(service_manager::mojom::ConnectorRequest connector_request);
private:
void BindConnectorOnIOThread(service_manager::mojom::ConnectorRequest connector_request);
// service_manager::Service:
void OnStart() override;
void OnBindInterface(const service_manager::BindSourceInfo &remote_info,
const std::string &name,
mojo::ScopedMessagePipeHandle handle) override;
service_manager::mojom::ConnectorRequest m_connectorRequest;
service_manager::BinderRegistry m_registry;
service_manager::BinderRegistryWithArgs<const service_manager::BindSourceInfo&> m_registry_with_source_info;
DISALLOW_COPY_AND_ASSIGN(IOThreadContext);
};
ServiceQt::IOThreadContext::IOThreadContext()
{
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner =
content::BrowserThread::GetTaskRunnerForThread(content::BrowserThread::UI);
#if BUILDFLAG(ENABLE_SPELLCHECK)
m_registry_with_source_info.AddInterface(base::Bind(&SpellCheckHostChromeImpl::Create), ui_task_runner);
#endif
}
void ServiceQt::IOThreadContext::BindConnector(service_manager::mojom::ConnectorRequest connector_request)
{
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// NOTE: It's not safe to modify |connector_request_| here since it's read
// on the IO thread. Post a task instead. As long as this task is posted
// before any code attempts to connect to the chrome service, there's no
// race.
content::BrowserThread::GetTaskRunnerForThread(content::BrowserThread::IO)->PostTask(
FROM_HERE,
base::BindOnce(&IOThreadContext::BindConnectorOnIOThread,
base::Unretained(this),
std::move(connector_request)));
}
void ServiceQt::IOThreadContext::BindConnectorOnIOThread(service_manager::mojom::ConnectorRequest connector_request)
{
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
m_connectorRequest = std::move(connector_request);
}
void ServiceQt::IOThreadContext::OnStart()
{
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
DCHECK(m_connectorRequest.is_pending());
context()->connector()->BindConnectorRequest(std::move(m_connectorRequest));
}
void ServiceQt::IOThreadContext::OnBindInterface(const service_manager::BindSourceInfo &remote_info,
const std::string &name,
mojo::ScopedMessagePipeHandle handle)
{
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
content::OverrideOnBindInterface(remote_info, name, &handle);
if (!handle.is_valid())
return;
if (!m_registry.TryBindInterface(name, &handle))
m_registry_with_source_info.TryBindInterface(name, &handle, remote_info);
}
ServiceQt *ServiceQt::GetInstance()
{
static base::NoDestructor<ServiceQt> service;
return service.get();
}
service_manager::EmbeddedServiceInfo::ServiceFactory ServiceQt::CreateServiceQtFactory()
{
return base::BindRepeating(&ServiceQt::CreateServiceQtWrapper, base::Unretained(this));
}
ServiceQt::ServiceQt() : m_ioThreadContext(std::make_unique<IOThreadContext>())
{}
ServiceQt::~ServiceQt() = default;
void ServiceQt::InitConnector()
{
service_manager::mojom::ConnectorRequest request;
m_connector = service_manager::Connector::Create(&request);
m_ioThreadContext->BindConnector(std::move(request));
}
std::unique_ptr<service_manager::Service> ServiceQt::CreateServiceQtWrapper()
{
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
return std::make_unique<service_manager::ForwardingService>(m_ioThreadContext.get());
}
|
