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Diffstat (limited to 'WebKit/chromium/src/DebuggerAgentImpl.cpp')
-rw-r--r-- | WebKit/chromium/src/DebuggerAgentImpl.cpp | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/WebKit/chromium/src/DebuggerAgentImpl.cpp b/WebKit/chromium/src/DebuggerAgentImpl.cpp new file mode 100644 index 0000000..0c3d1ea --- /dev/null +++ b/WebKit/chromium/src/DebuggerAgentImpl.cpp @@ -0,0 +1,204 @@ +/* + * 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 "DebuggerAgentImpl.h" + +#include "DebuggerAgentManager.h" +#include "Document.h" +#include "Frame.h" +#include "Page.h" +#include "V8Binding.h" +#include "V8DOMWindow.h" +#include "V8Index.h" +#include "V8Proxy.h" +#include "WebDevToolsAgentImpl.h" +#include "WebViewImpl.h" +#include <wtf/HashSet.h> +#include <wtf/RefPtr.h> +#include <wtf/Vector.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; + +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); +} + +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 ""; + } + 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 |