/*
 * Copyright (C) 2013 Apple 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:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  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.
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 "core/frame/FrameConsole.h"

#include "core/frame/FrameHost.h"
#include "core/inspector/ConsoleAPITypes.h"
#include "core/inspector/ConsoleMessage.h"
#include "core/inspector/InspectorConsoleInstrumentation.h"
#include "core/inspector/ScriptCallStack.h"
#include "core/page/Chrome.h"
#include "core/page/ChromeClient.h"
#include "core/page/Page.h"
#include "core/workers/WorkerGlobalScopeProxy.h"
#include "wtf/text/StringBuilder.h"

namespace blink {

namespace {

int muteCount = 0;

}

FrameConsole::FrameConsole(LocalFrame& frame)
    : m_frame(frame)
{
}

void FrameConsole::addMessage(PassRefPtrWillBeRawPtr<ConsoleMessage> prpConsoleMessage)
{
    if (muteCount)
        return;

    // FIXME: This should not need to reach for the main-frame.
    // Inspector code should just take the current frame and know how to walk itself.
    ExecutionContext* context = m_frame.document();
    if (!context)
        return;

    RefPtrWillBeRawPtr<ConsoleMessage> consoleMessage = prpConsoleMessage;
    InspectorInstrumentation::addMessageToConsole(context, consoleMessage.get());

    String messageURL;
    if (consoleMessage->callStack())
        messageURL = consoleMessage->callStack()->at(0).sourceURL();
    else
        messageURL = consoleMessage->url();

    if (consoleMessage->source() == CSSMessageSource)
        return;

    String stackTrace;
    if (consoleMessage->callStack() && m_frame.chromeClient().shouldReportDetailedMessageForSource(consoleMessage->url()))
        stackTrace = FrameConsole::formatStackTraceString(consoleMessage->message(), consoleMessage->callStack());

    m_frame.chromeClient().addMessageToConsole(&m_frame, consoleMessage->source(), consoleMessage->level(), consoleMessage->message(), consoleMessage->lineNumber(), messageURL, stackTrace);
}

String FrameConsole::formatStackTraceString(const String& originalMessage, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack)
{
    StringBuilder stackTrace;
    for (size_t i = 0; i < callStack->size(); ++i) {
        const ScriptCallFrame& frame = callStack->at(i);
        stackTrace.append("\n    at " + (frame.functionName().length() ? frame.functionName() : "(anonymous function)"));
        stackTrace.append(" (");
        stackTrace.append(frame.sourceURL());
        stackTrace.append(':');
        stackTrace.append(String::number(frame.lineNumber()));
        stackTrace.append(':');
        stackTrace.append(String::number(frame.columnNumber()));
        stackTrace.append(')');
    }

    return stackTrace.toString();
}

void FrameConsole::mute()
{
    muteCount++;
}

void FrameConsole::unmute()
{
    ASSERT(muteCount > 0);
    muteCount--;
}

void FrameConsole::adoptWorkerConsoleMessages(WorkerGlobalScopeProxy* proxy)
{
    InspectorInstrumentation::adoptWorkerConsoleMessages(m_frame.document(), proxy);
}

} // namespace blink
