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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
// Copyright (c) 2012 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.
// This class responds to requests from renderers for the list of plugins, and
// also a proxy object for plugin instances.
#ifndef CONTENT_BROWSER_PLUGIN_SERVICE_IMPL_H_
#define CONTENT_BROWSER_PLUGIN_SERVICE_IMPL_H_
#pragma once
#include <set>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_vector.h"
#include "base/memory/singleton.h"
#include "base/synchronization/waitable_event_watcher.h"
#include "build/build_config.h"
#include "content/browser/plugin_process_host.h"
#include "content/browser/ppapi_plugin_process_host.h"
#include "content/common/content_export.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/plugin_service.h"
#include "googleurl/src/gurl.h"
#include "ipc/ipc_channel_handle.h"
#if defined(OS_WIN)
#include "base/memory/scoped_ptr.h"
#include "base/win/registry.h"
#endif
#if defined(OS_POSIX) && !defined(OS_OPENBSD)
#include "base/files/file_path_watcher.h"
#endif
class PluginDirWatcherDelegate;
class PluginLoaderPosix;
namespace base {
class MessageLoopProxy;
}
namespace content {
class BrowserContext;
class ResourceContext;
struct PepperPluginInfo;
class PluginServiceFilter;
struct PluginServiceFilterParams;
}
namespace webkit {
namespace npapi {
class PluginGroup;
class PluginList;
}
}
class CONTENT_EXPORT PluginServiceImpl
: NON_EXPORTED_BASE(public content::PluginService),
public base::WaitableEventWatcher::Delegate,
public content::NotificationObserver {
public:
// Returns the PluginServiceImpl singleton.
static PluginServiceImpl* GetInstance();
// content::PluginService implementation:
virtual void Init() OVERRIDE;
virtual void StartWatchingPlugins() OVERRIDE;
virtual PluginProcessHost* FindNpapiPluginProcess(
const FilePath& plugin_path) OVERRIDE;
virtual bool GetPluginInfoArray(
const GURL& url,
const std::string& mime_type,
bool allow_wildcard,
std::vector<webkit::WebPluginInfo>* info,
std::vector<std::string>* actual_mime_types) OVERRIDE;
virtual bool GetPluginInfo(int render_process_id,
int render_view_id,
const content::ResourceContext& context,
const GURL& url,
const GURL& page_url,
const std::string& mime_type,
bool allow_wildcard,
bool* is_stale,
webkit::WebPluginInfo* info,
std::string* actual_mime_type) OVERRIDE;
virtual bool GetPluginInfoByPath(const FilePath& plugin_path,
webkit::WebPluginInfo* info) OVERRIDE;
virtual void GetPlugins(const GetPluginsCallback& callback) OVERRIDE;
virtual void GetPluginGroups(
const GetPluginGroupsCallback& callback) OVERRIDE;
virtual content::PepperPluginInfo* GetRegisteredPpapiPluginInfo(
const FilePath& plugin_path) OVERRIDE;
virtual void SetFilter(content::PluginServiceFilter* filter) OVERRIDE;
virtual content::PluginServiceFilter* GetFilter() OVERRIDE;
virtual void RefreshPlugins() OVERRIDE;
virtual void AddExtraPluginPath(const FilePath& path) OVERRIDE;
virtual void AddExtraPluginDir(const FilePath& path) OVERRIDE;
virtual void RemoveExtraPluginPath(const FilePath& path) OVERRIDE;
virtual void UnregisterInternalPlugin(const FilePath& path) OVERRIDE;
virtual void RegisterInternalPlugin(
const webkit::WebPluginInfo& info, bool add_at_beginning) OVERRIDE;
virtual string16 GetPluginGroupName(const std::string& plugin_name) OVERRIDE;
virtual webkit::npapi::PluginList* GetPluginList() OVERRIDE;
virtual void SetPluginListForTesting(
webkit::npapi::PluginList* plugin_list) OVERRIDE;
// Like FindNpapiPluginProcess but for Pepper.
PpapiPluginProcessHost* FindPpapiPluginProcess(const FilePath& plugin_path);
PpapiPluginProcessHost* FindPpapiBrokerProcess(const FilePath& broker_path);
// Returns the plugin process host corresponding to the plugin process that
// has been started by this service. This will start a process to host the
// 'plugin_path' if needed. If the process fails to start, the return value
// is NULL. Must be called on the IO thread.
PluginProcessHost* FindOrStartNpapiPluginProcess(
const FilePath& plugin_path);
PpapiPluginProcessHost* FindOrStartPpapiPluginProcess(
const FilePath& plugin_path,
PpapiPluginProcessHost::PluginClient* client);
PpapiPluginProcessHost* FindOrStartPpapiBrokerProcess(
const FilePath& plugin_path);
// Opens a channel to a plugin process for the given mime type, starting
// a new plugin process if necessary. This must be called on the IO thread
// or else a deadlock can occur.
void OpenChannelToNpapiPlugin(int render_process_id,
int render_view_id,
const GURL& url,
const GURL& page_url,
const std::string& mime_type,
PluginProcessHost::Client* client);
void OpenChannelToPpapiPlugin(const FilePath& path,
PpapiPluginProcessHost::PluginClient* client);
void OpenChannelToPpapiBroker(const FilePath& path,
PpapiPluginProcessHost::BrokerClient* client);
// Cancels opening a channel to a NPAPI plugin.
void CancelOpenChannelToNpapiPlugin(PluginProcessHost::Client* client);
private:
friend struct DefaultSingletonTraits<PluginServiceImpl>;
// Creates the PluginServiceImpl object, but doesn't actually build the plugin
// list yet. It's generated lazily.
PluginServiceImpl();
virtual ~PluginServiceImpl();
// base::WaitableEventWatcher::Delegate implementation.
virtual void OnWaitableEventSignaled(
base::WaitableEvent* waitable_event) OVERRIDE;
// content::NotificationObserver implementation
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
void RegisterPepperPlugins();
// Function that is run on the FILE thread to load the plugins synchronously.
void GetPluginsInternal(base::MessageLoopProxy* target_loop,
const GetPluginsCallback& callback);
// Binding directly to GetAllowedPluginForOpenChannelToPlugin() isn't possible
// because more arity is needed <http://crbug.com/98542>. This just forwards.
void ForwardGetAllowedPluginForOpenChannelToPlugin(
const content::PluginServiceFilterParams& params,
const GURL& url,
const std::string& mime_type,
PluginProcessHost::Client* client,
const std::vector<webkit::WebPluginInfo>&);
// Helper so we can do the plugin lookup on the FILE thread.
void GetAllowedPluginForOpenChannelToPlugin(
int render_process_id,
int render_view_id,
const GURL& url,
const GURL& page_url,
const std::string& mime_type,
PluginProcessHost::Client* client,
const content::ResourceContext* resource_context);
// Helper so we can finish opening the channel after looking up the
// plugin.
void FinishOpenChannelToPlugin(
const FilePath& plugin_path,
PluginProcessHost::Client* client);
#if defined(OS_POSIX) && !defined(OS_OPENBSD)
// Registers a new FilePathWatcher for a given path.
static void RegisterFilePathWatcher(
base::files::FilePathWatcher* watcher,
const FilePath& path,
base::files::FilePathWatcher::Delegate* delegate);
#endif
// The plugin list instance.
webkit::npapi::PluginList* plugin_list_;
content::NotificationRegistrar registrar_;
#if defined(OS_WIN)
// Registry keys for getting notifications when new plugins are installed.
base::win::RegKey hkcu_key_;
base::win::RegKey hklm_key_;
scoped_ptr<base::WaitableEvent> hkcu_event_;
scoped_ptr<base::WaitableEvent> hklm_event_;
base::WaitableEventWatcher hkcu_watcher_;
base::WaitableEventWatcher hklm_watcher_;
#endif
#if defined(OS_POSIX) && !defined(OS_OPENBSD)
ScopedVector<base::files::FilePathWatcher> file_watchers_;
scoped_refptr<PluginDirWatcherDelegate> file_watcher_delegate_;
#endif
std::vector<content::PepperPluginInfo> ppapi_plugins_;
// Weak pointer; outlives us.
content::PluginServiceFilter* filter_;
std::set<PluginProcessHost::Client*> pending_plugin_clients_;
#if defined(OS_POSIX)
scoped_refptr<PluginLoaderPosix> plugin_loader_;
#endif
DISALLOW_COPY_AND_ASSIGN(PluginServiceImpl);
};
#endif // CONTENT_BROWSER_PLUGIN_SERVICE_IMPL_H_
|
