forked from chromium/chromium
-
Notifications
You must be signed in to change notification settings - Fork 0
/
chrome_setting.cc
182 lines (155 loc) · 6.74 KB
/
chrome_setting.cc
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
// 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 "extensions/renderer/chrome_setting.h"
#include "base/strings/stringprintf.h"
#include "base/values.h"
#include "extensions/renderer/bindings/api_binding_util.h"
#include "extensions/renderer/bindings/api_event_handler.h"
#include "extensions/renderer/bindings/api_invocation_errors.h"
#include "extensions/renderer/bindings/api_request_handler.h"
#include "extensions/renderer/bindings/api_signature.h"
#include "extensions/renderer/bindings/api_type_reference_map.h"
#include "extensions/renderer/bindings/binding_access_checker.h"
#include "gin/arguments.h"
#include "gin/handle.h"
#include "gin/object_template_builder.h"
namespace extensions {
v8::Local<v8::Object> ChromeSetting::Create(
v8::Isolate* isolate,
const std::string& property_name,
const base::ListValue* property_values,
APIRequestHandler* request_handler,
APIEventHandler* event_handler,
APITypeReferenceMap* type_refs,
const BindingAccessChecker* access_checker) {
std::string pref_name;
CHECK(property_values->GetString(0u, &pref_name));
const base::DictionaryValue* value_spec = nullptr;
CHECK(property_values->GetDictionary(1u, &value_spec));
gin::Handle<ChromeSetting> handle = gin::CreateHandle(
isolate, new ChromeSetting(request_handler, event_handler, type_refs,
access_checker, pref_name, *value_spec));
return handle.ToV8().As<v8::Object>();
}
ChromeSetting::ChromeSetting(APIRequestHandler* request_handler,
APIEventHandler* event_handler,
const APITypeReferenceMap* type_refs,
const BindingAccessChecker* access_checker,
const std::string& pref_name,
const base::DictionaryValue& set_value_spec)
: request_handler_(request_handler),
event_handler_(event_handler),
type_refs_(type_refs),
access_checker_(access_checker),
pref_name_(pref_name),
argument_spec_(ArgumentType::OBJECT) {
// The set() call takes an object { value: { type: <t> }, ... }, where <t>
// is the custom set() argument specified above by value_spec.
ArgumentSpec::PropertiesMap properties;
{
auto scope_spec = std::make_unique<ArgumentSpec>(ArgumentType::REF);
scope_spec->set_ref("types.ChromeSettingScope");
scope_spec->set_optional(true);
properties["scope"] = std::move(scope_spec);
}
properties["value"] = std::make_unique<ArgumentSpec>(set_value_spec);
argument_spec_.set_properties(std::move(properties));
}
ChromeSetting::~ChromeSetting() = default;
gin::WrapperInfo ChromeSetting::kWrapperInfo = {gin::kEmbedderNativeGin};
gin::ObjectTemplateBuilder ChromeSetting::GetObjectTemplateBuilder(
v8::Isolate* isolate) {
return Wrappable<ChromeSetting>::GetObjectTemplateBuilder(isolate)
.SetMethod("get", &ChromeSetting::Get)
.SetMethod("set", &ChromeSetting::Set)
.SetMethod("clear", &ChromeSetting::Clear)
.SetProperty("onChange", &ChromeSetting::GetOnChangeEvent);
}
const char* ChromeSetting::GetTypeName() {
return "ChromeSetting";
}
void ChromeSetting::Get(gin::Arguments* arguments) {
HandleFunction("get", arguments);
}
void ChromeSetting::Set(gin::Arguments* arguments) {
v8::Isolate* isolate = arguments->isolate();
v8::HandleScope handle_scope(isolate);
v8::Local<v8::Context> context = arguments->GetHolderCreationContext();
if (!binding::IsContextValidOrThrowError(context))
return;
v8::Local<v8::Value> value = arguments->PeekNext();
// The set schema included in the Schema object is generic, since it varies
// per-setting. However, this is only ever for a single setting, so we can
// enforce the types more thoroughly.
std::string error;
if (!value.IsEmpty() &&
!argument_spec_.ParseArgument(context, value, *type_refs_, nullptr,
nullptr, &error)) {
arguments->ThrowTypeError("Invalid invocation");
return;
}
HandleFunction("set", arguments);
}
void ChromeSetting::Clear(gin::Arguments* arguments) {
HandleFunction("clear", arguments);
}
v8::Local<v8::Value> ChromeSetting::GetOnChangeEvent(
gin::Arguments* arguments) {
v8::Isolate* isolate = arguments->isolate();
v8::Local<v8::Context> context = arguments->GetHolderCreationContext();
v8::Local<v8::Object> wrapper = GetWrapper(isolate).ToLocalChecked();
if (!binding::IsContextValidOrThrowError(context))
return v8::Undefined(isolate);
v8::Local<v8::Private> key = v8::Private::ForApi(
isolate, gin::StringToSymbol(isolate, "onChangeEvent"));
v8::Local<v8::Value> event;
if (!wrapper->GetPrivate(context, key).ToLocal(&event)) {
NOTREACHED();
return v8::Local<v8::Value>();
}
DCHECK(!event.IsEmpty());
if (event->IsUndefined()) {
bool supports_filters = false;
bool supports_lazy_listeners = true;
event = event_handler_->CreateEventInstance(
base::StringPrintf("types.ChromeSetting.%s.onChange",
pref_name_.c_str()),
supports_filters, supports_lazy_listeners, binding::kNoListenerMax,
true, context);
v8::Maybe<bool> set_result = wrapper->SetPrivate(context, key, event);
if (!set_result.IsJust() || !set_result.FromJust()) {
NOTREACHED();
return v8::Local<v8::Value>();
}
}
return event;
}
void ChromeSetting::HandleFunction(const std::string& method_name,
gin::Arguments* arguments) {
v8::Isolate* isolate = arguments->isolate();
v8::HandleScope handle_scope(isolate);
v8::Local<v8::Context> context = arguments->GetHolderCreationContext();
if (!binding::IsContextValidOrThrowError(context))
return;
std::vector<v8::Local<v8::Value>> argument_list = arguments->GetAll();
std::string full_name = "types.ChromeSetting." + method_name;
if (!access_checker_->HasAccessOrThrowError(context, full_name))
return;
std::unique_ptr<base::ListValue> converted_arguments;
v8::Local<v8::Function> callback;
std::string error;
const APISignature* signature = type_refs_->GetTypeMethodSignature(full_name);
APISignature::JSONParseResult parse_result =
signature->ParseArgumentsToJSON(context, argument_list, *type_refs_);
if (!parse_result.succeeded()) {
arguments->ThrowTypeError(api_errors::InvocationError(
full_name, signature->GetExpectedSignature(), *parse_result.error));
return;
}
parse_result.arguments->Insert(0u, std::make_unique<base::Value>(pref_name_));
request_handler_->StartRequest(
context, full_name, std::move(parse_result.arguments),
parse_result.callback, v8::Local<v8::Function>());
}
} // namespace extensions