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
|
// Copyright (c) 2009 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 "config.h"
#include <wtf/HashSet.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
#include "Document.h"
#include "Frame.h"
#include "Page.h"
#include "V8Binding.h"
#include "V8DOMWindow.h"
#include "V8Index.h"
#include "V8Proxy.h"
#undef LOG
#include "grit/webkit_resources.h"
#include "third_party/WebKit/WebKit/chromium/src/WebViewImpl.h"
#include "webkit/glue/devtools/debugger_agent_impl.h"
#include "webkit/glue/devtools/debugger_agent_manager.h"
#include "webkit/glue/glue_util.h"
#include "webkit/glue/webdevtoolsagent_impl.h"
#include "webkit/glue/webkit_glue.h"
using WebCore::DOMWindow;
using WebCore::Document;
using WebCore::Frame;
using WebCore::Page;
using WebCore::String;
using WebCore::V8ClassIndex;
using WebCore::V8Custom;
using WebCore::V8DOMWindow;
using WebCore::V8DOMWrapper;
using WebCore::V8Proxy;
using WebKit::WebViewImpl;
DebuggerAgentImpl::DebuggerAgentImpl(
WebViewImpl* web_view_impl,
DebuggerAgentDelegate* delegate,
WebDevToolsAgentImpl* webdevtools_agent)
: web_view_impl_(web_view_impl),
delegate_(delegate),
webdevtools_agent_(webdevtools_agent),
auto_continue_on_exception_(false) {
DebuggerAgentManager::DebugAttach(this);
}
DebuggerAgentImpl::~DebuggerAgentImpl() {
DebuggerAgentManager::DebugDetach(this);
}
void DebuggerAgentImpl::GetContextId() {
delegate_->SetContextId(webdevtools_agent_->host_id());
}
void DebuggerAgentImpl::DebuggerOutput(const String& command) {
delegate_->DebuggerOutput(command);
webdevtools_agent_->ForceRepaint();
}
// static
void DebuggerAgentImpl::CreateUtilityContext(
Frame* frame,
v8::Persistent<v8::Context>* context) {
v8::HandleScope scope;
// TODO(pfeldman): Validate against Soeren.
// Set up the DOM window as the prototype of the new global object.
v8::Handle<v8::Context> window_context =
V8Proxy::context(frame);
v8::Handle<v8::Object> window_global = window_context->Global();
v8::Handle<v8::Object> window_wrapper =
V8DOMWrapper::lookupDOMWrapper(V8ClassIndex::DOMWINDOW, window_global);
ASSERT(V8DOMWrapper::convertDOMWrapperToNative<DOMWindow>(window_wrapper) ==
frame->domWindow());
v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New();
// TODO(yurys): provide a function in v8 bindings that would make the
// utility context more like main world context of the inspected frame,
// otherwise we need to manually make it satisfy various invariants
// that V8Proxy::getEntered and some other V8Proxy methods expect to find
// on v8 contexts on the contexts stack.
// See V8Proxy::createNewContext.
//
// Install a security handler with V8.
global_template->SetAccessCheckCallbacks(
V8Custom::v8DOMWindowNamedSecurityCheck,
V8Custom::v8DOMWindowIndexedSecurityCheck,
v8::Integer::New(V8ClassIndex::DOMWINDOW));
// We set number of internal fields to match that in V8DOMWindow wrapper.
// See http://crbug.com/28961
global_template->SetInternalFieldCount(
V8Custom::kDOMWindowInternalFieldCount);
*context = v8::Context::New(
NULL /* no extensions */,
global_template,
v8::Handle<v8::Object>());
v8::Context::Scope context_scope(*context);
v8::Handle<v8::Object> global = (*context)->Global();
v8::Handle<v8::String> implicit_proto_string = v8::String::New("__proto__");
global->Set(implicit_proto_string, window_wrapper);
// Give the code running in the new context a way to get access to the
// original context.
global->Set(v8::String::New("contentWindow"), window_global);
// Inject javascript into the context.
base::StringPiece injectjs_webkit =
webkit_glue::GetDataResource(IDR_DEVTOOLS_INJECT_WEBKIT_JS);
v8::Script::Compile(
v8::String::New(injectjs_webkit.as_string().c_str()))->Run();
base::StringPiece inject_dispatchjs = webkit_glue::GetDataResource(
IDR_DEVTOOLS_INJECT_DISPATCH_JS);
v8::Script::Compile(v8::String::New(
inject_dispatchjs.as_string().c_str()))->Run();
}
String DebuggerAgentImpl::ExecuteUtilityFunction(
v8::Handle<v8::Context> context,
int call_id,
const char* object,
const String &function_name,
const String& json_args,
bool async,
String* exception) {
v8::HandleScope scope;
ASSERT(!context.IsEmpty());
if (context.IsEmpty()) {
*exception = "No window context.";
return "";
}
v8::Context::Scope context_scope(context);
DebuggerAgentManager::UtilityContextScope utility_scope;
v8::Handle<v8::Object> dispatch_object = v8::Handle<v8::Object>::Cast(
context->Global()->Get(v8::String::New(object)));
v8::Handle<v8::Value> dispatch_function =
dispatch_object->Get(v8::String::New("dispatch"));
ASSERT(dispatch_function->IsFunction());
v8::Handle<v8::Function> function = v8::Handle<v8::Function>::Cast(dispatch_function);
v8::Handle<v8::String> function_name_wrapper = v8::Handle<v8::String>(
v8::String::New(function_name.utf8().data()));
v8::Handle<v8::String> json_args_wrapper = v8::Handle<v8::String>(
v8::String::New(json_args.utf8().data()));
v8::Handle<v8::Number> call_id_wrapper = v8::Handle<v8::Number>(
v8::Number::New(async ? call_id : 0));
v8::Handle<v8::Value> args[] = {
function_name_wrapper,
json_args_wrapper,
call_id_wrapper
};
v8::TryCatch try_catch;
v8::Handle<v8::Value> res_obj = function->Call(context->Global(), 3, args);
if (try_catch.HasCaught()) {
*exception = WebCore::toWebCoreString(try_catch.Message()->Get());
return "";
} else {
return WebCore::toWebCoreStringWithNullCheck(res_obj);
}
}
void DebuggerAgentImpl::ExecuteVoidJavaScript(v8::Handle<v8::Context> context) {
v8::HandleScope scope;
ASSERT(!context.IsEmpty());
v8::Context::Scope context_scope(context);
DebuggerAgentManager::UtilityContextScope utility_scope;
v8::Handle<v8::Value> function =
context->Global()->Get(v8::String::New("devtools$$void"));
ASSERT(function->IsFunction());
v8::Handle<v8::Value> args[] = {
v8::Local<v8::Value>()
};
v8::Handle<v8::Function>::Cast(function)->Call(context->Global(), 0, args);
}
WebCore::Page* DebuggerAgentImpl::GetPage() {
return web_view_impl_->page();
}
|
