/*

 * 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 "WebDevToolsFrontendImpl.h"

#include "BoundObject.h"

#include "ContextMenuController.h"

#include "ContextMenuItem.h"

#include "DOMWindow.h"

#include "DebuggerAgent.h"

#include "DevToolsRPCJS.h"

#include "Document.h"

#include "Event.h"

#include "Frame.h"

#include "InspectorBackend.h"

#include "InspectorController.h"

#include "InspectorFrontendClientImpl.h"

#include "InspectorFrontendHost.h"

#include "Node.h"

#include "Page.h"

#include "Pasteboard.h"

#include "PlatformString.h"

#include "ProfilerAgent.h"

#include "SecurityOrigin.h"

#include "Settings.h"

#include "ToolsAgent.h"

#include "V8Binding.h"

#include "V8DOMWrapper.h"

#include "V8InspectorFrontendHost.h"

#include "V8MouseEvent.h"

#include "V8Node.h"

#include "V8Proxy.h"

#include "V8Utilities.h"

#include "WebDevToolsFrontendClient.h"

#include "WebFrameImpl.h"

#include "WebScriptSource.h"

#include "WebViewImpl.h"

#include <wtf/OwnPtr.h>

#include <wtf/Vector.h>

using namespace WebCore;

namespace WebKit {

static v8::Local<v8::String> ToV8String(const String& s)

{

    if (s.isNull())

        return v8::Local<v8::String>();

    return v8::String::New(reinterpret_cast<const uint16_t*>(s.characters()), s.length());

}

DEFINE_RPC_JS_BOUND_OBJ(DebuggerAgent, DEBUGGER_AGENT_STRUCT, DebuggerAgentDelegate, DEBUGGER_AGENT_DELEGATE_STRUCT)

DEFINE_RPC_JS_BOUND_OBJ(ProfilerAgent, PROFILER_AGENT_STRUCT, ProfilerAgentDelegate, PROFILER_AGENT_DELEGATE_STRUCT)

DEFINE_RPC_JS_BOUND_OBJ(ToolsAgent, TOOLS_AGENT_STRUCT, ToolsAgentDelegate, TOOLS_AGENT_DELEGATE_STRUCT)

WebDevToolsFrontend* WebDevToolsFrontend::create(

    WebView* view,

    WebDevToolsFrontendClient* client,

    const WebString& applicationLocale)

{

    return new WebDevToolsFrontendImpl(

      static_cast<WebViewImpl*>(view),

      client,

      applicationLocale);

}

WebDevToolsFrontendImpl::WebDevToolsFrontendImpl(

    WebViewImpl* webViewImpl,

    WebDevToolsFrontendClient* client,

    const String& applicationLocale)

    : m_webViewImpl(webViewImpl)

    , m_client(client)

    , m_applicationLocale(applicationLocale)

    , m_loaded(false)

{

    InspectorController* ic = m_webViewImpl->page()->inspectorController();

    ic->setInspectorFrontendClient(new InspectorFrontendClientImpl(m_webViewImpl->page(), m_client, this));

    // Put each DevTools frontend Page into its own (single page) group so that it's not

    // deferred along with the inspected page.

    m_webViewImpl->page()->setGroupName(String());

    WebFrameImpl* frame = m_webViewImpl->mainFrameImpl();

    v8::HandleScope scope;

    v8::Handle<v8::Context> frameContext = V8Proxy::context(frame->frame());

    m_debuggerAgentObj.set(new JSDebuggerAgentBoundObj(this, frameContext, "RemoteDebuggerAgent"));

    m_profilerAgentObj.set(new JSProfilerAgentBoundObj(this, frameContext, "RemoteProfilerAgent"));

    m_toolsAgentObj.set(new JSToolsAgentBoundObj(this, frameContext, "RemoteToolsAgent"));

    // Debugger commands should be sent using special method.

    BoundObject debuggerCommandExecutorObj(frameContext, this, "RemoteDebuggerCommandExecutor");

    debuggerCommandExecutorObj.addProtoFunction(

        "DebuggerCommand",

        WebDevToolsFrontendImpl::jsDebuggerCommand);

    debuggerCommandExecutorObj.addProtoFunction(

        "DebuggerPauseScript",

        WebDevToolsFrontendImpl::jsDebuggerPauseScript);

    debuggerCommandExecutorObj.build();

}

WebDevToolsFrontendImpl::~WebDevToolsFrontendImpl()

{

}

void WebDevToolsFrontendImpl::dispatchMessageFromAgent(const WebDevToolsMessageData& data)

{

    Vector<String> v;

    v.append(data.className);

    v.append(data.methodName);

    for (size_t i = 0; i < data.arguments.size(); i++)

        v.append(data.arguments[i]);

    if (!m_loaded) {

        m_pendingIncomingMessages.append(v);

        return;

    }

    executeScript(v);

}

void WebDevToolsFrontendImpl::frontendLoaded()

{

    m_loaded = true;

    // Grant the devtools page the ability to have source view iframes.

    SecurityOrigin* origin = m_webViewImpl->page()->mainFrame()->domWindow()->securityOrigin();

    origin->grantUniversalAccess();

    for (Vector<Vector<String> >::iterator it = m_pendingIncomingMessages.begin();

         it != m_pendingIncomingMessages.end();

         ++it) {

        executeScript(*it);

    }

    m_pendingIncomingMessages.clear();

}

void WebDevToolsFrontendImpl::executeScript(const Vector<String>& v)

{

    WebFrameImpl* frame = m_webViewImpl->mainFrameImpl();

    v8::HandleScope scope;

    v8::Handle<v8::Context> frameContext = V8Proxy::context(frame->frame());

    v8::Context::Scope contextScope(frameContext);

    v8::Handle<v8::Value> dispatchFunction = frameContext->Global()->Get(v8::String::New("devtools$$dispatch"));

    ASSERT(dispatchFunction->IsFunction());

    v8::Handle<v8::Function> function = v8::Handle<v8::Function>::Cast(dispatchFunction);

    Vector< v8::Handle<v8::Value> > args;

    for (size_t i = 0; i < v.size(); i++)

        args.append(ToV8String(v.at(i)));

    v8::TryCatch tryCatch;

    tryCatch.SetVerbose(true);

    function->Call(frameContext->Global(), args.size(), args.data());

}

void WebDevToolsFrontendImpl::sendRpcMessage(const WebDevToolsMessageData& data)

{

    m_client->sendMessageToAgent(data);

}

v8::Handle<v8::Value> WebDevToolsFrontendImpl::jsDebuggerCommand(const v8::Arguments& args)

{

    WebDevToolsFrontendImpl* frontend = static_cast<WebDevToolsFrontendImpl*>(v8::External::Cast(*args.Data())->Value());

    WebString command = WebCore::toWebCoreStringWithNullCheck(args[0]);

    frontend->m_client->sendDebuggerCommandToAgent(command);

    return v8::Undefined();

}

v8::Handle<v8::Value> WebDevToolsFrontendImpl::jsDebuggerPauseScript(const v8::Arguments& args)

{

    WebDevToolsFrontendImpl* frontend = static_cast<WebDevToolsFrontendImpl*>(v8::External::Cast(*args.Data())->Value());

    frontend->m_client->sendDebuggerPauseScript();

    return v8::Undefined();

}

} // namespace WebKit