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
|
// Copyright (c) 2011 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 "ppapi/proxy/ppb_instance_private_proxy.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/c/private/ppb_instance_private.h"
#include "ppapi/proxy/host_dispatcher.h"
#include "ppapi/proxy/plugin_dispatcher.h"
#include "ppapi/proxy/plugin_resource.h"
#include "ppapi/proxy/plugin_resource_tracker.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/serialized_var.h"
namespace pp {
namespace proxy {
namespace {
PP_Var GetWindowObject(PP_Instance instance) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
if (!dispatcher)
return PP_MakeUndefined();
ReceiveSerializedVarReturnValue result;
dispatcher->Send(new PpapiHostMsg_PPBInstancePrivate_GetWindowObject(
INTERFACE_ID_PPB_INSTANCE_PRIVATE, instance, &result));
return result.Return(dispatcher);
}
PP_Var GetOwnerElementObject(PP_Instance instance) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
if (!dispatcher)
return PP_MakeUndefined();
ReceiveSerializedVarReturnValue result;
dispatcher->Send(new PpapiHostMsg_PPBInstancePrivate_GetOwnerElementObject(
INTERFACE_ID_PPB_INSTANCE_PRIVATE, instance, &result));
return result.Return(dispatcher);
}
PP_Var ExecuteScript(PP_Instance instance, PP_Var script, PP_Var* exception) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
if (!dispatcher)
return PP_MakeUndefined();
ReceiveSerializedException se(dispatcher, exception);
if (se.IsThrown())
return PP_MakeUndefined();
ReceiveSerializedVarReturnValue result;
dispatcher->Send(new PpapiHostMsg_PPBInstancePrivate_ExecuteScript(
INTERFACE_ID_PPB_INSTANCE_PRIVATE, instance,
SerializedVarSendInput(dispatcher, script), &se, &result));
return result.Return(dispatcher);
}
const PPB_Instance_Private instance_private_interface = {
&GetWindowObject,
&GetOwnerElementObject,
&ExecuteScript
};
InterfaceProxy* CreateInstancePrivateProxy(Dispatcher* dispatcher,
const void* target_interface) {
return new PPB_Instance_Private_Proxy(dispatcher, target_interface);
}
} // namespace
PPB_Instance_Private_Proxy::PPB_Instance_Private_Proxy(
Dispatcher* dispatcher, const void* target_interface)
: InterfaceProxy(dispatcher, target_interface) {
}
PPB_Instance_Private_Proxy::~PPB_Instance_Private_Proxy() {
}
// static
const InterfaceProxy::Info* PPB_Instance_Private_Proxy::GetInfo() {
static const Info info = {
&instance_private_interface,
PPB_INSTANCE_PRIVATE_INTERFACE,
INTERFACE_ID_PPB_INSTANCE_PRIVATE,
false,
&CreateInstancePrivateProxy,
};
return &info;
}
bool PPB_Instance_Private_Proxy::OnMessageReceived(const IPC::Message& msg) {
// Prevent the dispatcher from going away during a call to ExecuteScript.
// This must happen OUTSIDE of ExecuteScript since the SerializedVars use
// the dispatcher upon return of the function (converting the
// SerializedVarReturnValue/OutParam to a SerializedVar in the destructor).
ScopedModuleReference death_grip(dispatcher());
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PPB_Instance_Private_Proxy, msg)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstancePrivate_GetWindowObject,
OnMsgGetWindowObject)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstancePrivate_GetOwnerElementObject,
OnMsgGetOwnerElementObject)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBInstancePrivate_ExecuteScript,
OnMsgExecuteScript)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void PPB_Instance_Private_Proxy::OnMsgGetWindowObject(
PP_Instance instance,
SerializedVarReturnValue result) {
result.Return(dispatcher(),
ppb_instance_private_target()->GetWindowObject(instance));
}
void PPB_Instance_Private_Proxy::OnMsgGetOwnerElementObject(
PP_Instance instance,
SerializedVarReturnValue result) {
result.Return(dispatcher(),
ppb_instance_private_target()->GetOwnerElementObject(instance));
}
void PPB_Instance_Private_Proxy::OnMsgExecuteScript(
PP_Instance instance,
SerializedVarReceiveInput script,
SerializedVarOutParam out_exception,
SerializedVarReturnValue result) {
if (dispatcher()->IsPlugin())
NOTREACHED();
else
static_cast<HostDispatcher*>(dispatcher())->set_allow_plugin_reentrancy();
result.Return(dispatcher(), ppb_instance_private_target()->ExecuteScript(
instance,
script.Get(dispatcher()),
out_exception.OutParam(dispatcher())));
}
} // namespace proxy
} // namespace pp
|
