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      1 /*
      2  * Copyright (C) 2010 Google 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "InspectorFrontendClientImpl.h"
     33 
     34 #include "V8InspectorFrontendHost.h"
     35 #include "WebDevToolsFrontendClient.h"
     36 #include "WebDevToolsFrontendImpl.h"
     37 #include "bindings/v8/ScriptController.h"
     38 #include "core/dom/Document.h"
     39 #include "core/inspector/InspectorFrontendHost.h"
     40 #include "core/frame/Frame.h"
     41 #include "core/page/Page.h"
     42 #include "public/platform/WebFloatPoint.h"
     43 #include "public/platform/WebString.h"
     44 #include "wtf/text/WTFString.h"
     45 
     46 using namespace WebCore;
     47 
     48 namespace blink {
     49 
     50 InspectorFrontendClientImpl::InspectorFrontendClientImpl(Page* frontendPage, WebDevToolsFrontendClient* client, WebDevToolsFrontendImpl* frontend)
     51     : m_frontendPage(frontendPage)
     52     , m_client(client)
     53 {
     54 }
     55 
     56 InspectorFrontendClientImpl::~InspectorFrontendClientImpl()
     57 {
     58     if (m_frontendHost)
     59         m_frontendHost->disconnectClient();
     60     m_client = 0;
     61 }
     62 
     63 void InspectorFrontendClientImpl::windowObjectCleared()
     64 {
     65     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     66     v8::HandleScope handleScope(isolate);
     67     v8::Handle<v8::Context> frameContext = m_frontendPage->mainFrame() ? m_frontendPage->mainFrame()->script().currentWorldContext() : v8::Local<v8::Context>();
     68     v8::Context::Scope contextScope(frameContext);
     69 
     70     if (m_frontendHost)
     71         m_frontendHost->disconnectClient();
     72     m_frontendHost = InspectorFrontendHost::create(this, m_frontendPage);
     73     v8::Handle<v8::Value> frontendHostObj = toV8(m_frontendHost.get(), v8::Handle<v8::Object>(), frameContext->GetIsolate());
     74     v8::Handle<v8::Object> global = frameContext->Global();
     75 
     76     global->Set(v8::String::NewFromUtf8(isolate, "InspectorFrontendHost"), frontendHostObj);
     77 
     78     ScriptController* scriptController = m_frontendPage->mainFrame() ? &m_frontendPage->mainFrame()->script() : 0;
     79     if (scriptController) {
     80         String installLegacyOverrides =
     81             "" // Support for legacy front-ends (<M31). Do not add items here.
     82             "(function(host, methodNames) {"
     83             "    var callId = 0;"
     84             "    function dispatch(methodName)"
     85             "    {"
     86             "        var argsArray = Array.prototype.slice.call(arguments, 1);"
     87             "        var message = {\"method\": methodName, \"id\": ++callId};"
     88             "        if (argsArray.length)"
     89             "            message.params = argsArray;"
     90             "        this.sendMessageToEmbedder(JSON.stringify(message));"
     91             "    };"
     92             "    methodNames.forEach(function(methodName) { host[methodName] = dispatch.bind(host, methodName); });"
     93             "})(InspectorFrontendHost,"
     94             "    ['addFileSystem',"
     95             "     'append',"
     96             "     'bringToFront',"
     97             "     'indexPath',"
     98             "     'moveWindowBy',"
     99             "     'openInNewTab',"
    100             "     'removeFileSystem',"
    101             "     'requestFileSystems',"
    102             "     'requestSetDockSide',"
    103             "     'save',"
    104             "     'searchInPath',"
    105             "     'stopIndexing']);"
    106             ""
    107             "" // Support for legacy front-ends (<M28). Do not add items here.
    108             "InspectorFrontendHost.canInspectWorkers = function() { return true; };"
    109             "InspectorFrontendHost.canSaveAs = function() { return true; };"
    110             "InspectorFrontendHost.canSave = function() { return true; };"
    111             "InspectorFrontendHost.supportsFileSystems = function() { return true; };"
    112             "InspectorFrontendHost.loaded = function() {};"
    113             "InspectorFrontendHost.hiddenPanels = function() { return ""; };"
    114             "InspectorFrontendHost.localizedStringsURL = function() { return ""; };"
    115             "InspectorFrontendHost.close = function(url) { };";
    116         scriptController->executeScriptInMainWorld(installLegacyOverrides, ScriptController::ExecuteScriptWhenScriptsDisabled);
    117     }
    118 }
    119 
    120 void InspectorFrontendClientImpl::inspectedURLChanged(const String& url)
    121 {
    122     m_frontendPage->mainFrame()->document()->setTitle("Developer Tools - " + url);
    123 }
    124 
    125 void InspectorFrontendClientImpl::sendMessageToBackend(const String& message)
    126 {
    127     m_client->sendMessageToBackend(message);
    128 }
    129 
    130 void InspectorFrontendClientImpl::sendMessageToEmbedder(const String& message)
    131 {
    132     m_client->sendMessageToEmbedder(message);
    133 }
    134 
    135 bool InspectorFrontendClientImpl::isUnderTest()
    136 {
    137     return m_client->isUnderTest();
    138 }
    139 
    140 } // namespace blink
    141