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
|
/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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/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;
namespace WebKit {
DebuggerAgentImpl::DebuggerAgentImpl(
WebViewImpl* webViewImpl,
DebuggerAgentDelegate* delegate,
WebDevToolsAgentImpl* webdevtoolsAgent)
: m_webViewImpl(webViewImpl)
, m_delegate(delegate)
, m_webdevtoolsAgent(webdevtoolsAgent)
, m_autoContinueOnException(false)
{
DebuggerAgentManager::debugAttach(this);
}
DebuggerAgentImpl::~DebuggerAgentImpl()
{
DebuggerAgentManager::debugDetach(this);
}
void DebuggerAgentImpl::getContextId()
{
m_delegate->setContextId(m_webdevtoolsAgent->hostId());
}
void DebuggerAgentImpl::debuggerOutput(const String& command)
{
m_delegate->debuggerOutput(command);
m_webdevtoolsAgent->forceRepaint();
}
// static
void DebuggerAgentImpl::createUtilityContext(Frame* frame, v8::Persistent<v8::Context>* context)
{
v8::HandleScope scope;
// Set up the DOM window as the prototype of the new global object.
v8::Handle<v8::Context> windowContext = V8Proxy::context(frame);
v8::Handle<v8::Object> windowGlobal = windowContext->Global();
v8::Handle<v8::Object> windowWrapper = V8DOMWrapper::lookupDOMWrapper(V8ClassIndex::DOMWINDOW, windowGlobal);
ASSERT(V8DOMWindow::toNative(windowWrapper) == frame->domWindow());
v8::Handle<v8::ObjectTemplate> globalTemplate = 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.
globalTemplate->SetAccessCheckCallbacks(
V8DOMWindow::namedSecurityCheck,
V8DOMWindow::indexedSecurityCheck,
v8::Integer::New(V8ClassIndex::DOMWINDOW));
// We set number of internal fields to match that in V8DOMWindow wrapper.
// See http://crbug.com/28961
globalTemplate->SetInternalFieldCount(V8DOMWindow::internalFieldCount);
*context = v8::Context::New(0 /* no extensions */, globalTemplate, v8::Handle<v8::Object>());
v8::Context::Scope contextScope(*context);
v8::Handle<v8::Object> global = (*context)->Global();
v8::Handle<v8::String> implicitProtoString = v8::String::New("__proto__");
global->Set(implicitProtoString, windowWrapper);
// Give the code running in the new context a way to get access to the
// original context.
global->Set(v8::String::New("contentWindow"), windowGlobal);
// Inject javascript into the context.
base::StringPiece injectjsWebkit = webkit_glue::GetDataResource(IDR_DEVTOOLS_INJECT_WEBKIT_JS);
v8::Script::Compile(v8::String::New(injectjsWebkit.as_string().c_str()))->Run();
base::StringPiece injectDispatchjs = webkit_glue::GetDataResource(IDR_DEVTOOLS_INJECT_DISPATCH_JS);
v8::Script::Compile(v8::String::New(injectDispatchjs.as_string().c_str()))->Run();
}
String DebuggerAgentImpl::executeUtilityFunction(
v8::Handle<v8::Context> context,
int callId,
const char* object,
const String &functionName,
const String& jsonArgs,
bool async,
String* exception)
{
v8::HandleScope scope;
ASSERT(!context.IsEmpty());
if (context.IsEmpty()) {
*exception = "No window context.";
return "";
}
v8::Context::Scope contextScope(context);
DebuggerAgentManager::UtilityContextScope utilityScope;
v8::Handle<v8::Object> dispatchObject = v8::Handle<v8::Object>::Cast(
context->Global()->Get(v8::String::New(object)));
v8::Handle<v8::Value> dispatchFunction = dispatchObject->Get(v8::String::New("dispatch"));
ASSERT(dispatchFunction->IsFunction());
v8::Handle<v8::Function> function = v8::Handle<v8::Function>::Cast(dispatchFunction);
v8::Handle<v8::String> functionNameWrapper = v8::Handle<v8::String>(
v8::String::New(functionName.utf8().data()));
v8::Handle<v8::String> jsonArgsWrapper = v8::Handle<v8::String>(
v8::String::New(jsonArgs.utf8().data()));
v8::Handle<v8::Number> callIdWrapper = v8::Handle<v8::Number>(
v8::Number::New(async ? callId : 0));
v8::Handle<v8::Value> args[] = {
functionNameWrapper,
jsonArgsWrapper,
callIdWrapper
};
v8::TryCatch tryCatch;
v8::Handle<v8::Value> resObj = function->Call(context->Global(), 3, args);
if (tryCatch.HasCaught()) {
v8::Local<v8::Message> message = tryCatch.Message();
if (message.IsEmpty())
*exception = "Unknown exception";
else
*exception = WebCore::toWebCoreString(message->Get());
return "";
} else
return WebCore::toWebCoreStringWithNullCheck(resObj);
}
void DebuggerAgentImpl::executeVoidJavaScript(v8::Handle<v8::Context> context)
{
v8::HandleScope scope;
ASSERT(!context.IsEmpty());
v8::Context::Scope contextScope(context);
DebuggerAgentManager::UtilityContextScope utilityScope;
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::page()
{
return m_webViewImpl->page();
}
} // namespace WebKit
|
