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      1 /*
      2  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
      3  * Copyright (C) 2008 Matt Lilek <webkit (at) mattlilek.com>
      4  * Copyright (C) 2010 Google Inc. All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  *
     10  * 1.  Redistributions of source code must retain the above copyright
     11  *     notice, this list of conditions and the following disclaimer.
     12  * 2.  Redistributions in binary form must reproduce the above copyright
     13  *     notice, this list of conditions and the following disclaimer in the
     14  *     documentation and/or other materials provided with the distribution.
     15  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     16  *     its contributors may be used to endorse or promote products derived
     17  *     from this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     20  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     22  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     26  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "InjectedScriptHost.h"
     33 
     34 #if ENABLE(INSPECTOR)
     35 
     36 #include "Element.h"
     37 #include "Frame.h"
     38 #include "FrameLoader.h"
     39 #include "HTMLFrameOwnerElement.h"
     40 #include "InjectedScript.h"
     41 #include "InspectorAgent.h"
     42 #include "InspectorClient.h"
     43 #include "InspectorConsoleAgent.h"
     44 #include "InspectorDOMStorageAgent.h"
     45 #include "InspectorDatabaseAgent.h"
     46 #include "InspectorFrontend.h"
     47 #include "InspectorValues.h"
     48 #include "Pasteboard.h"
     49 
     50 #if ENABLE(JAVASCRIPT_DEBUGGER)
     51 #include "ScriptDebugServer.h"
     52 #endif
     53 
     54 #if ENABLE(DATABASE)
     55 #include "Database.h"
     56 #endif
     57 
     58 #if ENABLE(DOM_STORAGE)
     59 #include "Storage.h"
     60 #endif
     61 
     62 #include "markup.h"
     63 
     64 #include <wtf/RefPtr.h>
     65 #include <wtf/StdLibExtras.h>
     66 
     67 using namespace std;
     68 
     69 namespace WebCore {
     70 
     71 PassRefPtr<InjectedScriptHost> InjectedScriptHost::create()
     72 {
     73     return adoptRef(new InjectedScriptHost());
     74 }
     75 
     76 InjectedScriptHost::InjectedScriptHost()
     77     : m_inspectorAgent(0)
     78     , m_consoleAgent(0)
     79 #if ENABLE(DATABASE)
     80     , m_databaseAgent(0)
     81 #endif
     82 #if ENABLE(DOM_STORAGE)
     83     , m_domStorageAgent(0)
     84 #endif
     85     , m_frontend(0)
     86     , m_lastWorkerId(1 << 31) // Distinguish ids of fake workers from real ones, to minimize the chances they overlap.
     87 {
     88 }
     89 
     90 InjectedScriptHost::~InjectedScriptHost()
     91 {
     92 }
     93 
     94 void InjectedScriptHost::disconnect()
     95 {
     96     m_inspectorAgent = 0;
     97     m_consoleAgent = 0;
     98 #if ENABLE(DATABASE)
     99     m_databaseAgent = 0;
    100 #endif
    101 #if ENABLE(DOM_STORAGE)
    102     m_domStorageAgent = 0;
    103 #endif
    104     m_frontend = 0;
    105 }
    106 
    107 void InjectedScriptHost::addInspectedNode(Node* node)
    108 {
    109     m_inspectedNodes.prepend(node);
    110     while (m_inspectedNodes.size() > 5)
    111         m_inspectedNodes.removeLast();
    112 }
    113 
    114 void InjectedScriptHost::clearInspectedNodes()
    115 {
    116     m_inspectedNodes.clear();
    117 }
    118 
    119 void InjectedScriptHost::inspectImpl(PassRefPtr<InspectorValue> object, PassRefPtr<InspectorValue> hints)
    120 {
    121     if (m_frontend)
    122         m_frontend->inspector()->inspect(object->asObject(), hints->asObject());
    123 }
    124 
    125 void InjectedScriptHost::clearConsoleMessages()
    126 {
    127     if (m_consoleAgent) {
    128         ErrorString error;
    129         m_consoleAgent->clearConsoleMessages(&error);
    130     }
    131 }
    132 
    133 void InjectedScriptHost::copyText(const String& text)
    134 {
    135     Pasteboard::generalPasteboard()->writePlainText(text);
    136 }
    137 
    138 Node* InjectedScriptHost::inspectedNode(unsigned int num)
    139 {
    140     if (num < m_inspectedNodes.size())
    141         return m_inspectedNodes[num].get();
    142     return 0;
    143 }
    144 
    145 #if ENABLE(DATABASE)
    146 int InjectedScriptHost::databaseIdImpl(Database* database)
    147 {
    148     if (m_databaseAgent)
    149         return m_databaseAgent->databaseId(database);
    150     return 0;
    151 }
    152 #endif
    153 
    154 #if ENABLE(DOM_STORAGE)
    155 int InjectedScriptHost::storageIdImpl(Storage* storage)
    156 {
    157     if (m_domStorageAgent)
    158         return m_domStorageAgent->storageId(storage);
    159     return 0;
    160 }
    161 #endif
    162 
    163 #if ENABLE(WORKERS)
    164 long InjectedScriptHost::nextWorkerId()
    165 {
    166     return ++m_lastWorkerId;
    167 }
    168 
    169 void InjectedScriptHost::didCreateWorker(long id, const String& url, bool isSharedWorker)
    170 {
    171     if (m_inspectorAgent)
    172         m_inspectorAgent->didCreateWorker(static_cast<int>(id), url, isSharedWorker);
    173 }
    174 
    175 void InjectedScriptHost::didDestroyWorker(long id)
    176 {
    177     if (m_inspectorAgent)
    178         m_inspectorAgent->didDestroyWorker(static_cast<int>(id));
    179 }
    180 #endif // ENABLE(WORKERS)
    181 
    182 } // namespace WebCore
    183 
    184 #endif // ENABLE(INSPECTOR)
    185