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      1 /*
      2  * Copyright (C) 2013 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "core/frame/FrameConsole.h"
     31 
     32 #include "core/dom/Document.h"
     33 #include "core/frame/FrameHost.h"
     34 #include "core/inspector/ConsoleAPITypes.h"
     35 #include "core/inspector/InspectorConsoleInstrumentation.h"
     36 #include "core/page/Chrome.h"
     37 #include "core/page/ChromeClient.h"
     38 #include "core/page/Page.h"
     39 #include "wtf/text/StringBuilder.h"
     40 
     41 namespace WebCore {
     42 
     43 namespace {
     44 
     45 int muteCount = 0;
     46 
     47 }
     48 
     49 FrameConsole::FrameConsole(LocalFrame& frame)
     50     : m_frame(frame)
     51 {
     52 }
     53 
     54 void FrameConsole::addMessage(MessageSource source, MessageLevel level, const String& message)
     55 {
     56     addMessage(source, level, message, String(), 0, 0, nullptr, 0, 0);
     57 }
     58 
     59 void FrameConsole::addMessage(MessageSource source, MessageLevel level, const String& message, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack)
     60 {
     61     addMessage(source, level, message, String(), 0, 0, callStack, 0);
     62 }
     63 
     64 void FrameConsole::addMessage(MessageSource source, MessageLevel level, const String& message, const String& url, unsigned lineNumber, unsigned columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack, ScriptState* scriptState, unsigned long requestIdentifier)
     65 {
     66     if (muteCount)
     67         return;
     68 
     69     // FIXME: This should not need to reach for the main-frame.
     70     // Inspector code should just take the current frame and know how to walk itself.
     71     ExecutionContext* context = m_frame.document();
     72     if (!context)
     73         return;
     74 
     75     String messageURL;
     76     if (callStack) {
     77         messageURL = callStack->at(0).sourceURL();
     78         InspectorInstrumentation::addMessageToConsole(context, source, LogMessageType, level, message, callStack, requestIdentifier);
     79     } else {
     80         messageURL = url;
     81         InspectorInstrumentation::addMessageToConsole(context, source, LogMessageType, level, message, url, lineNumber, columnNumber, scriptState, requestIdentifier);
     82     }
     83 
     84     if (source == CSSMessageSource)
     85         return;
     86 
     87     String stackTrace;
     88     if (callStack && m_frame.chromeClient().shouldReportDetailedMessageForSource(messageURL))
     89         stackTrace = FrameConsole::formatStackTraceString(message, callStack);
     90 
     91     m_frame.chromeClient().addMessageToConsole(&m_frame, source, level, message, lineNumber, messageURL, stackTrace);
     92 }
     93 
     94 String FrameConsole::formatStackTraceString(const String& originalMessage, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack)
     95 {
     96     StringBuilder stackTrace;
     97     for (size_t i = 0; i < callStack->size(); ++i) {
     98         const ScriptCallFrame& frame = callStack->at(i);
     99         stackTrace.append("\n    at " + (frame.functionName().length() ? frame.functionName() : "(anonymous function)"));
    100         stackTrace.append(" (");
    101         stackTrace.append(frame.sourceURL());
    102         stackTrace.append(':');
    103         stackTrace.append(String::number(frame.lineNumber()));
    104         stackTrace.append(':');
    105         stackTrace.append(String::number(frame.columnNumber()));
    106         stackTrace.append(')');
    107     }
    108 
    109     return stackTrace.toString();
    110 }
    111 
    112 void FrameConsole::mute()
    113 {
    114     muteCount++;
    115 }
    116 
    117 void FrameConsole::unmute()
    118 {
    119     ASSERT(muteCount > 0);
    120     muteCount--;
    121 }
    122 
    123 } // namespace WebCore
    124