src/third_party/WebKit/Source/web/InspectorFrontendClientImpl.cpp

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  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
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  16  * this software without specific prior written permission.
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  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() ? toV8Context(isolate, m_frontendPage->mainFrame(), DOMWrapperWorld::mainWorld()) : 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     ScriptController* scriptController = m_frontendPage->mainFrame() ? &m_frontendPage->mainFrame()->script() : 0;
  78     if (scriptController) {
  79         String installAdditionalAPI =
  80             "" // Wrap messages that go to embedder.
  81             "(function(host, methodNames) {"
  82             "    host._lastCallId = 0;"
  83             "    host._callbacks = [];"
  84             "    host.embedderMessageAck = function(id, error)"
  85             "    {"
  86             "        var callback = host._callbacks[id];"
  87             "        delete host._callbacks[id];"
  88             "        if (callback)"
  89             "            callback(error);"
  90             "    };"
  91             "    function dispatch(methodName)"
  92             "    {"
  93             "        var callId = ++host._lastCallId;"
  94             "        var argsArray = Array.prototype.slice.call(arguments, 1);"
  95             "        var callback = argsArray[argsArray.length - 1];"
  96             "        if (typeof callback === \"function\") {"
  97             "            argsArray.pop();"
  98             "            host._callbacks[callId] = callback;"
  99             "        }"
 100             "        var message = { \"id\": callId, \"method\": methodName };"
 101             "        if (argsArray.length)"
 102             "            message.params = argsArray;"
 103             "        host.sendMessageToEmbedder(JSON.stringify(message));"
 104             "    };"
 105             "    methodNames.forEach(function(methodName) { host[methodName] = dispatch.bind(null, methodName); });"
 106             "})(InspectorFrontendHost,"
 107             "    ['addFileSystem',"
 108             "     'append',"
 109             "     'bringToFront',"
 110             "     'closeWindow',"
 111             "     'indexPath',"
 112             "     'inspectElementCompleted',"
 113             "     'moveWindowBy',"
 114             "     'openInNewTab',"
 115             "     'removeFileSystem',"
 116             "     'requestFileSystems',"
 117             "     'resetZoom',"
 118             "     'save',"
 119             "     'searchInPath',"
 120             "     'setContentsResizingStrategy',"
 121             "     'setIsDocked',"
 122             "     'stopIndexing',"
 123             "     'zoomIn',"
 124             "     'zoomOut']);"
 125             ""
 126             "" // Support for legacy front-ends (<M34). Do not add items here.
 127             "InspectorFrontendHost.requestSetDockSide = function(dockSide)"
 128             "{"
 129             "    InspectorFrontendHost.setIsDocked(dockSide !== \"undocked\");"
 130             "};"
 131             "InspectorFrontendHost.supportsFileSystems = function() { return true; };"
 132             ""
 133             "" // Support for legacy front-ends (<M28). Do not add items here.
 134             "InspectorFrontendHost.canInspectWorkers = function() { return true; };"
 135             "InspectorFrontendHost.canSaveAs = function() { return true; };"
 136             "InspectorFrontendHost.canSave = function() { return true; };"
 137             "InspectorFrontendHost.loaded = function() {};"
 138             "InspectorFrontendHost.hiddenPanels = function() { return ""; };"
 139             "InspectorFrontendHost.localizedStringsURL = function() { return ""; };"
 140             "InspectorFrontendHost.close = function(url) { };";
 141         scriptController->executeScriptInMainWorld(installAdditionalAPI, ScriptController::ExecuteScriptWhenScriptsDisabled);
 142     }
 143 }
 144
 145 void InspectorFrontendClientImpl::inspectedURLChanged(const String& url)
 146 {
 147     m_frontendPage->mainFrame()->document()->setTitle("Developer Tools - " + url);
 148 }
 149
 150 void InspectorFrontendClientImpl::sendMessageToBackend(const String& message)
 151 {
 152     m_client->sendMessageToBackend(message);
 153 }
 154
 155 void InspectorFrontendClientImpl::sendMessageToEmbedder(const String& message)
 156 {
 157     m_client->sendMessageToEmbedder(message);
 158 }
 159
 160 bool InspectorFrontendClientImpl::isUnderTest()
 161 {
 162     return m_client->isUnderTest();
 163 }
 164
 165 } // namespace blink