Reduce unnecessary resize
[platform/framework/web/wrt.git] / src / wrt-client / wrt-client.cpp
index 5508920..e31c677 100644 (file)
  *    limitations under the License.
  */
 #include "wrt-client.h"
+#include <aul.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <appcore-efl.h>
+#include <appcore-common.h>
 #include <cstdlib>
 #include <cstdio>
 #include <string>
 #include <dpl/log/log.h>
 #include <dpl/optional_typedefs.h>
 #include <dpl/exception.h>
-#include <common/application_data.h>
+#include <application_data.h>
 #include <core_module.h>
 #include <localization_setting.h>
 #include <widget_deserialize_model.h>
 #include <EWebKit2.h>
 #include <dpl/localization/w3c_file_localization.h>
 #include <dpl/localization/LanguageTagsProvider.h>
+#include <popup-runner/PopupInvoker.h>
+#include <vconf.h>
+#include "auto_rotation_support.h"
+
+#include <process_pool.h>
+#include <process_pool_launchpad_util.h>
+
+#include "client_command_line_parser.h"
+#include "client_ide_support.h"
+#include "client_security_support.h"
+#include "client_service_support.h"
+#include "client_submode_support.h"
 
 //W3C PACKAGING enviroment variable name
 #define W3C_DEBUG_ENV_VARIABLE "DEBUG_LOAD_FINISH"
 
 // window signal callback
-const char *EDJE_SHOW_BACKWARD_SIGNAL = "show,backward,signal";
+const char *EDJE_SHOW_PROGRESS_SIGNAL = "show,progress,signal";
+const char *EDJE_HIDE_PROGRESS_SIGNAL = "hide,progress,signal";
 const std::string VIEWMODE_TYPE_FULLSCREEN = "fullscreen";
 const std::string VIEWMODE_TYPE_MAXIMIZED = "maximized";
+const std::string VIEWMODE_TYPE_WINDOWED = "windowed";
 char const* const ELM_SWALLOW_CONTENT = "elm.swallow.content";
+const char* const BUNDLE_PATH = LIBDIR_PREFIX "/usr/lib/libwrt-injected-bundle.so";
+const char* const MESSAGE_NAME_INITIALIZE = "ToInjectedBundle::INIT";
+const unsigned int UID_ROOT = 0;
+
+// process pool
+const char* const DUMMY_PROCESS_PATH = "/usr/bin/wrt_launchpad_daemon_candidate";
+static Ewk_Context* s_preparedEwkContext = NULL;
+static WindowData*  s_preparedWindowData = NULL;
+static int    app_argc = 0;
+static char** app_argv = NULL;
+
+// env
+const char* const HOME = "HOME";
+const char* const APP_HOME_PATH = "/opt/home/app";
+const char* const ROOT_HOME_PATH = "/opt/home/root";
 
 WrtClient::WrtClient(int argc, char **argv) :
     Application(argc, argv, "wrt-client", false),
@@ -43,11 +77,14 @@ WrtClient::WrtClient(int argc, char **argv) :
     m_launched(false),
     m_initializing(false),
     m_initialized(false),
-    m_sdkLauncherPid(0),
     m_debugMode(false),
-    m_debuggerPort(0),
     m_returnStatus(ReturnStatus::Succeeded),
-    m_widgetState(WidgetState::WidgetState_Stopped)
+    m_widgetState(WidgetState::WidgetState_Stopped),
+    m_initialViewMode(VIEWMODE_TYPE_MAXIMIZED),
+    m_currentViewMode(VIEWMODE_TYPE_MAXIMIZED),
+    m_isWebkitFullscreen(false),
+    m_isFullscreenByPlatform(false),
+    m_submodeSupport(new ClientModule::SubmodeSupport())
 {
     Touch();
     LogDebug("App Created");
@@ -65,18 +102,16 @@ WrtClient::ReturnStatus::Type WrtClient::getReturnStatus() const
 
 void WrtClient::OnStop()
 {
-    LogInfo("Stopping Dummy Client");
+    LogDebug("Stopping Dummy Client");
 }
 
-
 void WrtClient::OnCreate()
 {
-    LogInfo("On Create");
+    LogDebug("On Create");
     ADD_PROFILING_POINT("OnCreate callback", "point");
     ewk_init();
 }
 
-
 void WrtClient::OnResume()
 {
     if (m_widgetState != WidgetState_Suspended) {
@@ -87,15 +122,17 @@ void WrtClient::OnResume()
     m_widgetState = WidgetState_Running;
 }
 
-
 void WrtClient::OnPause()
 {
-    LogDebug("On pause");
-
     if (m_widgetState != WidgetState_Running) {
         LogWarning("Widget is not running to be suspended");
         return;
     }
+    if (m_submodeSupport->isNeedTerminateOnSuspend()) {
+        LogDebug("Current mode cannot support suspend");
+        elm_exit();
+        return;
+    }
     m_widget->Suspend();
     m_widgetState = WidgetState_Suspended;
 }
@@ -106,6 +143,7 @@ void WrtClient::OnReset(bundle *b)
     // bundle argument is freed after OnReset() is returned
     // So bundle duplication is needed
     ApplicationDataSingleton::Instance().setBundle(bundle_dup(b));
+    ApplicationDataSingleton::Instance().setEncodedBundle(b);
 
     if (true == m_initializing) {
         LogDebug("can not handle reset event");
@@ -117,18 +155,23 @@ void WrtClient::OnReset(bundle *b)
             return;
         }
         m_widget->Reset();
-        m_windowData->emitSignalForUserLayout(EDJE_SHOW_BACKWARD_SIGNAL, "");
         m_widgetState = WidgetState_Running;
     } else {
-        if (true == checkArgument())
-        {
-            setStep();
-        }
-        else
-        {
+        m_tizenId =
+            ClientModule::CommandLineParser::getTizenId(m_argc, m_argv);
+        if (m_tizenId.empty()) {
             showHelpAndQuit();
+        } else {
+            setDebugMode(b);
+            setStep();
         }
     }
+
+    // low memory callback set
+    appcore_set_event_callback(
+            APPCORE_EVENT_LOW_MEMORY,
+            WrtClient::appcoreLowMemoryCallback,
+            this);
 }
 
 void WrtClient::OnTerminate()
@@ -153,59 +196,11 @@ void WrtClient::showHelpAndQuit()
     Quit();
 }
 
-bool WrtClient::checkArgument()
-{
-    LogInfo("checkArgument");
-
-    std::string arg = m_argv[0];
-
-    if (arg.empty()) {
-        return false;
-    }
-
-    if (arg.find("wrt-client") != std::string::npos)
-    {
-        if (m_argc <= 1) {
-            return false;
-        }
-
-        arg = m_argv[1];
-
-        if (arg == "-h" || arg == "--help") {
-            // Just show help
-            return false;
-        } else if (arg == "-l" || arg == "--launch" ||
-                arg == "-t" || arg == "--tizen") {
-            if (m_argc != 3) {
-                return false;
-            }
-            m_tizenId = std::string(m_argv[2]);
-        } else {
-            return false;
-        }
-    } else {
-        size_t pos = arg.find_last_of('/');
-
-        if (pos != std::string::npos) {
-            arg = arg.erase(0, pos + 1);
-        }
-
-        // Launch widget based on application basename
-        m_tizenId = arg;
-        LogDebug("Tizen id: " << m_tizenId);
-    }
-
-    return true;
-}
-
 void WrtClient::setStep()
 {
-    LogInfo("setStep");
+    LogDebug("setStep");
 
     AddStep(&WrtClient::initStep);
-
-    setSdkLauncherDebugData();
-
     AddStep(&WrtClient::launchStep);
     AddStep(&WrtClient::shutdownStep);
 
@@ -214,59 +209,10 @@ void WrtClient::setStep()
     DPL::Event::ControllerEventHandler<NextStepEvent>::PostEvent(NextStepEvent());
 }
 
-void WrtClient::setSdkLauncherDebugData()
+void WrtClient::setDebugMode(bundle* b)
 {
-    LogDebug("setSdkLauncherDebugData");
-
-    /* check bundle from sdk launcher */
-    bundle *bundleFromSdkLauncher;
-    bundleFromSdkLauncher = bundle_import_from_argv(m_argc, m_argv);
-    const char *bundle_debug = bundle_get_val(bundleFromSdkLauncher, "debug");
-    const char *bundle_pid = bundle_get_val(bundleFromSdkLauncher, "pid");
-    if (bundle_debug != NULL && bundle_pid != NULL) {
-        if (strcmp(bundle_debug, "true") == 0) {
-            m_debugMode = true;
-            m_sdkLauncherPid = atoi(bundle_pid);
-        } else {
-            m_debugMode = false;
-        }
-    }
-    bundle_free(bundleFromSdkLauncher);
-}
-
-bool WrtClient::checkDebugMode(SDKDebugData* debugData)
-{
-    LogError("Checking for debug mode");
-    Assert(m_dao);
-
-    bool debugMode = debugData->debugMode;
-
-    LogInfo("[DEBUG_MODE] Widget is launched in " <<
-            (debugMode ? "DEBUG" : "RETAIL") <<
-            " mode.");
-
-    if (debugMode == true) {
-        // In WAC widget, only test widgets can use web inspector.
-        // In TIZEN widget,
-        // every launched widgets as debug mode can use it.
-        if (m_dao->getWidgetType().appType == WrtDB::APP_TYPE_WAC20)
-        {
-            bool developerMode = WRT::CoreModuleSingleton::Instance().developerMode();
-            //This code will be activated
-            //after WAC test certificate is used by SDK
-            //bool isTestWidget = view->m_widgetModel->IsTestWidget.Get();
-            //if(!isTestWidget)
-            //{
-            //    LogInfo("This is not WAC Test Widget");
-            //    break;
-            //}
-            if (!developerMode) {
-                LogInfo("This is not WAC Developer Mode");
-                debugMode = false;
-            }
-        }
-    }
-    return debugMode;
+    m_debugMode = ClientModule::IDESupport::getDebugMode(b);
+    LogDebug("debug mode : " << m_debugMode);
 }
 
 void WrtClient::OnEventReceived(const NextStepEvent& /*event*/)
@@ -285,81 +231,26 @@ void WrtClient::initStep()
         SwitchToStep(&WrtClient::shutdownStep);
     }
 
-    // ecore_event_jobs are processed sequentially without concession to
-    // other type events. To give a chance of execute to other events,
-    // ecore_timer_add was used.
-    DPL::Event::ControllerEventHandler<NextStepEvent>::PostTimedEvent(
-            NextStepEvent(),0.001);
-}
-
-bool WrtClient::checkWACTestCertififedWidget()
-{
-    // WAC Waikiki Beta Release Core Specification: Widget Runtime
-    // 10 Dec 2010
-    //
-    // WR-4710 The WRT MUST enable debug functions only for WAC test widgets
-    // i.e. the functions must not be usable for normal WAC widgets, even when
-    // a WAC test widget is executing.
-    ADD_PROFILING_POINT("DeveloperModeCheck", "start");
-    Assert(!!m_dao);
-    // WAC test widget
-    // A widget signed with a WAC-issued test certificate as described in
-    // Developer Mode.
-
-    bool developerWidget = m_dao->isTestWidget();
-    bool developerMode = WRT::CoreModuleSingleton::Instance().developerMode();
-
-    LogDebug("Is WAC test widget: " << developerWidget);
-    LogDebug("Is developer Mode: " << developerMode);
-
-    if (developerWidget) {
-        if(!developerMode)
-        {
-            LogError("WAC test certified developer widget is needed for " <<
-                    "developer mode");
-            return false;
-        }else{
-            //TODO: WR-4660 (show popup about developer widget
-            //      during launch
-            LogInfo("POPUP: THIS IS TEST WIDGET!");
-        }
-    }
-    ADD_PROFILING_POINT("DeveloperModeCheck", "stop");
-    return true;
+    DPL::Event::ControllerEventHandler<NextStepEvent>::PostEvent(NextStepEvent());
 }
 
 void WrtClient::loadFinishCallback(Evas_Object* webview)
 {
     ADD_PROFILING_POINT("loadFinishCallback", "start");
-    SDKDebugData* debug = new SDKDebugData;
-    debug->debugMode = m_debugMode;
-    debug->pid = new unsigned long(getpid());
-
-    LogInfo("Post result of launch");
 
-    // Start inspector server, if current mode is debugger mode.
-    // In the WK2 case, ewk_view_inspector_server_start should
-    // be called after WebProcess is created.
-    if (checkDebugMode(debug))
+    // Splash screen
+    if (m_splashScreen && m_splashScreen->isShowing())
     {
-        debug->portnum =
-            ewk_view_inspector_server_start(m_widget->GetCurrentWebview(), 0);
-        if (debug->portnum == 0) {
-            LogWarning("Failed to get portnum");
-        } else {
-            LogInfo("Assigned port number for inspector : "
-                    << debug->portnum);
-        }
-    } else {
-        LogDebug("Debug mode is disabled");
+        m_splashScreen->stopSplashScreenBuffered();
     }
 
+    LogDebug("Post result of launch");
+
     //w3c packaging test debug (message on 4>)
     const char * makeScreen = getenv(W3C_DEBUG_ENV_VARIABLE);
-    if(makeScreen != NULL && strcmp(makeScreen, "1") == 0)
-    {
+    if (makeScreen != NULL && strcmp(makeScreen, "1") == 0) {
         FILE* doutput = fdopen(4, "w");
-        fprintf(doutput,"didFinishLoadForFrameCallback: ready\n");
+        fprintf(doutput, "didFinishLoadForFrameCallback: ready\n");
         fclose(doutput);
     }
 
@@ -378,33 +269,63 @@ void WrtClient::loadFinishCallback(Evas_Object* webview)
         m_returnStatus = ReturnStatus::Failed;
         //shutdownStep
         DPL::Event::ControllerEventHandler<NextStepEvent>::
-                PostEvent(NextStepEvent());
+            PostEvent(NextStepEvent());
     }
 
-    if(debug->debugMode)
-    {
-        LogDebug("Send RT signal to wrt-launcher(pid: " << m_sdkLauncherPid);
-        union sigval sv;
-        /* send real time signal with result to wrt-launcher */
-        if(webview) {
-            LogDebug("userData->portnum : " << debug->portnum);
-            sv.sival_int = debug->portnum;
-        } else {
-           sv.sival_int = -1;
+    if (m_debugMode) {
+        unsigned int portNum =
+            ewk_view_inspector_server_start(m_widget->GetCurrentWebview(), 0);
+        LogDebug("Port for inspector : " << portNum);
+        bool ret = ClientModule::IDESupport::sendReply(
+                       ApplicationDataSingleton::Instance().getBundle(),
+                       portNum);
+        if (!ret) {
+            LogWarning("Fail to send reply");
         }
-        sigqueue(m_sdkLauncherPid, SIGRTMIN, sv);
     }
 
     ApplicationDataSingleton::Instance().freeBundle();
+}
+
+void WrtClient::resetCallback(bool result)
+{
+    if (!result) {
+        LogDebug("Fail to handle reset event");
+        // free bundle data
+        ApplicationDataSingleton::Instance().freeBundle();
+    }
+}
 
-    LogDebug("Cleaning wrtClient launch resources...");
-    delete debug->pid;
-    delete debug;
+void WrtClient::progressStartedCallback()
+{
+    if (m_settingList->getProgressBarPresence() == ProgressBar_Enable ||
+        m_currentViewMode == VIEWMODE_TYPE_WINDOWED)
+    {
+        m_windowData->signalEmit(Layer::MAIN_LAYOUT,
+                                 EDJE_SHOW_PROGRESS_SIGNAL,
+                                 "");
+        m_windowData->updateProgress(0);
+    }
+}
+
+void WrtClient::loadProgressCallback(Evas_Object* /*webview*/, double value)
+{
+    if (m_settingList->getProgressBarPresence() == ProgressBar_Enable ||
+        m_currentViewMode == VIEWMODE_TYPE_WINDOWED)
+    {
+        m_windowData->updateProgress(value);
+    }
 }
 
 void WrtClient::progressFinishCallback()
 {
-    m_splashScreen->stopSplashScreen();
+    if (m_settingList->getProgressBarPresence() == ProgressBar_Enable ||
+        m_currentViewMode == VIEWMODE_TYPE_WINDOWED)
+    {
+        m_windowData->signalEmit(Layer::MAIN_LAYOUT,
+                                 EDJE_HIDE_PROGRESS_SIGNAL,
+                                 "");
+    }
 }
 
 void WrtClient::webkitExitCallback()
@@ -412,7 +333,7 @@ void WrtClient::webkitExitCallback()
     LogDebug("window close called, terminating app");
     SwitchToStep(&WrtClient::shutdownStep);
     DPL::Event::ControllerEventHandler<NextStepEvent>::PostEvent(
-            NextStepEvent());
+        NextStepEvent());
 }
 
 void WrtClient::webCrashCallback()
@@ -420,9 +341,29 @@ void WrtClient::webCrashCallback()
     LogError("webProcess crashed");
     SwitchToStep(&WrtClient::shutdownStep);
     DPL::Event::ControllerEventHandler<NextStepEvent>::PostEvent(
-            NextStepEvent());
+        NextStepEvent());
 }
 
+void WrtClient::enterFullscreenCallback(Evas_Object* /*obj*/,
+                                        bool isFullscreenByPlatform)
+{
+    // enter fullscreen
+    m_windowData->toggleFullscreen(true);
+    m_currentViewMode = VIEWMODE_TYPE_FULLSCREEN;
+    m_isWebkitFullscreen = true;
+    if (isFullscreenByPlatform) {
+        m_isFullscreenByPlatform = true;
+    }
+}
+
+void WrtClient::exitFullscreenCallback(Evas_Object* /*obj*/)
+{
+    // exit fullscreen
+    m_windowData->toggleFullscreen(false);
+    m_currentViewMode = m_initialViewMode;
+    m_isWebkitFullscreen = false;
+    m_isFullscreenByPlatform = false;
+}
 
 void WrtClient::launchStep()
 {
@@ -431,289 +372,537 @@ void WrtClient::launchStep()
 
     ADD_PROFILING_POINT("getRunnableWidgetObject", "start");
     m_widget = WRT::CoreModuleSingleton::Instance()
-                    .getRunnableWidgetObject(m_tizenId);
+            .getRunnableWidgetObject(m_tizenId);
     ADD_PROFILING_POINT("getRunnableWidgetObject", "stop");
 
     if (!m_widget) {
         LogError("RunnableWidgetObject is NULL, stop launchStep");
         DPL::Event::ControllerEventHandler<NextStepEvent>::PostEvent(
-                    NextStepEvent());
+            NextStepEvent());
         return;
     }
 
     if (m_widgetState == WidgetState_Running) {
         LogWarning("Widget already running, stop launchStep");
         DPL::Event::ControllerEventHandler<NextStepEvent>::PostEvent(
-                    NextStepEvent());
+            NextStepEvent());
         return;
     }
 
     if (m_widgetState == WidgetState_Authorizing) {
         LogWarning("Widget already authorizing, stop launchStep");
         DPL::Event::ControllerEventHandler<NextStepEvent>::PostEvent(
-                    NextStepEvent());
+            NextStepEvent());
         return;
     }
 
     m_dao.reset(new WrtDB::WidgetDAOReadOnly(DPL::FromASCIIString(m_tizenId)));
+    WrtDB::WidgetSettings widgetSettings;
+    m_dao->getWidgetSettings(widgetSettings);
+    m_settingList.reset(new WidgetSettingList(widgetSettings));
+    m_submodeSupport->initialize(DPL::FromASCIIString(m_tizenId));
+
     DPL::Optional<DPL::String> defloc = m_dao->getDefaultlocale();
-    if(!defloc.IsNull())
-    {
-        LanguageTagsProviderSingleton::Instance().addWidgetDefaultLocales(*defloc);
+    if (!defloc.IsNull()) {
+        LanguageTagsProviderSingleton::Instance().addWidgetDefaultLocales(
+            *defloc);
     }
 
+    setInitialViewMode();
+
+    /* remove language change callback */
+    /*
     LocalizationSetting::SetLanguageChangedCallback(
             languageChangedCallback, this);
+    */
 
     ADD_PROFILING_POINT("CreateWindow", "start");
-    m_windowData.reset(new WindowData(static_cast<unsigned long>(getpid())));
+    if (s_preparedWindowData == NULL) {
+        m_windowData.reset(new WindowData(static_cast<unsigned long>(getpid()), true));
+    } else {
+        m_windowData.reset(s_preparedWindowData);
+        s_preparedWindowData = NULL;
+    }
     ADD_PROFILING_POINT("CreateWindow", "stop");
+    if (!m_windowData->initScreenReaderSupport(
+            m_settingList->getAccessibility() == Accessibility_Enable))
+    {
+        LogWarning("Fail to set screen reader support set");
+    }
+
+    // rotate window to initial value
+    setWindowInitialOrientation();
+    setCtxpopupItem();
 
     WRT::UserDelegatesPtr cbs(new WRT::UserDelegates);
+
     ADD_PROFILING_POINT("Create splash screen", "start");
-    m_splashScreen.reset(
-            new SplashScreenSupport(m_windowData->m_win));
-    if (m_splashScreen->createSplashScreen(m_dao->getSplashImgSrc())) {
+    DPL::OptionalString splashImgSrc = m_dao->getSplashImgSrc();
+    if (!splashImgSrc.IsNull())
+    {
+        m_splashScreen.reset(
+            new SplashScreenSupport(
+                m_windowData->getEvasObject(Layer::WINDOW),
+                (DPL::ToUTF8String(*splashImgSrc)).c_str(),
+                m_currentViewMode != VIEWMODE_TYPE_FULLSCREEN,
+                m_settingList->getRotationValue() == Screen_Landscape));
         m_splashScreen->startSplashScreen();
-        cbs->progressFinish = DPL::MakeDelegate(this, &WrtClient::progressFinishCallback);
     }
     ADD_PROFILING_POINT("Create splash screen", "stop");
+
     DPL::OptionalString startUrl = W3CFileLocalization::getStartFile(m_dao);
-    m_widget->PrepareView(DPL::ToUTF8String(*startUrl),
-            m_windowData->m_win);
+    if (!m_widget->PrepareView(
+            DPL::ToUTF8String(*startUrl),
+            m_windowData->getEvasObject(Layer::WINDOW),
+            s_preparedEwkContext))
+    {
+        DPL::Event::ControllerEventHandler<NextStepEvent>::PostEvent(
+            NextStepEvent());
+        return;
+    }
+    // send rotate information to ewk
+    setEwkInitialOrientation();
+
     //you can't show window with splash screen before PrepareView
     //ewk_view_add_with_context() in viewLogic breaks window
+    m_windowData->init();
+    m_windowData->postInit();
+
+#if X11
+    // sub-mode support
+    if (m_submodeSupport->isInlineMode()) {
+        if (m_submodeSupport->transientWindow(
+                elm_win_xwindow_get(
+                    m_windowData->getEvasObject(Layer::WINDOW))))
+        {
+            LogDebug("Success to set submode");
+        } else {
+            LogWarning("Fail to set submode");
+        }
+    }
+#endif
+    m_windowData->smartCallbackAdd(Layer::FOCUS,
+                                   "focused",
+                                   focusedCallback,
+                                   this);
+    m_windowData->smartCallbackAdd(Layer::FOCUS,
+                                   "unfocused",
+                                   unfocusedCallback,
+                                   this);
 
     WrtDB::WidgetLocalizedInfo localizedInfo =
         W3CFileLocalization::getLocalizedInfo(m_dao);
-    std:: string name = "";
+    std::string name = "";
     if (!(localizedInfo.name.IsNull())) {
         name = DPL::ToUTF8String(*(localizedInfo.name));
     }
-    elm_win_title_set(m_windowData->m_win, name.c_str());
-    evas_object_show(m_windowData->m_win);
-    initializeWindowModes();
-    connectElmCallback();
+    elm_win_title_set(m_windowData->getEvasObject(Layer::WINDOW),
+                      name.c_str());
 
-    if (!checkWACTestCertififedWidget())
-    {
-        LogWarning("WAC Certificate failed, stop launchStep");
-        return;
-    }
+    // window show
+    evas_object_show(m_windowData->getEvasObject(Layer::WINDOW));
+
+    initializeWindowModes();
 
     m_widgetState = WidgetState_Authorizing;
     if (!m_widget->CheckBeforeLaunch()) {
         LogError("CheckBeforeLaunch failed, stop launchStep");
         DPL::Event::ControllerEventHandler<NextStepEvent>::PostEvent(
-                    NextStepEvent());
+            NextStepEvent());
         return;
     }
-    LogInfo("Widget launch accepted. Entering running state");
+    LogDebug("Widget launch accepted. Entering running state");
     m_widgetState = WidgetState_Running;
 
+    cbs->progressStarted = DPL::MakeDelegate(this, &WrtClient::progressStartedCallback);
+    cbs->progress = DPL::MakeDelegate(this, &WrtClient::loadProgressCallback);
+    cbs->progressFinish = DPL::MakeDelegate(this, &WrtClient::progressFinishCallback);
     cbs->loadFinish = DPL::MakeDelegate(this, &WrtClient::loadFinishCallback);
+    cbs->reset = DPL::MakeDelegate(this, &WrtClient::resetCallback);
     cbs->bufferSet = DPL::MakeDelegate(this, &WrtClient::setLayout);
     cbs->bufferUnset = DPL::MakeDelegate(this, &WrtClient::unsetLayout);
     cbs->webkitExit = DPL::MakeDelegate(this, &WrtClient::webkitExitCallback);
     cbs->webCrash = DPL::MakeDelegate(this, &WrtClient::webCrashCallback);
-    cbs->toggleFullscreen = DPL::MakeDelegate(m_windowData.get(), &WindowData::toggleFullscreen);
+    cbs->enterFullscreen = DPL::MakeDelegate(this, &WrtClient::enterFullscreenCallback);
+    cbs->exitFullscreen = DPL::MakeDelegate(this, &WrtClient::exitFullscreenCallback);
+    cbs->setOrientation = DPL::MakeDelegate(this, &WrtClient::setWindowOrientation);
+    cbs->hwkey = DPL::MakeDelegate(this, &WrtClient::hwkeyCallback);
 
     m_widget->SetUserDelegates(cbs);
     m_widget->Show();
-    m_windowData->emitSignalForUserLayout(EDJE_SHOW_BACKWARD_SIGNAL, "");
+
     ADD_PROFILING_POINT("launchStep", "stop");
 }
 
 void WrtClient::initializeWindowModes()
 {
     Assert(m_windowData);
-    Assert(m_dao);
-    auto windowModes = m_dao->getWindowModes();
-    bool fullscreen = false;
-    bool backbutton = false;
-     if (m_dao->getWidgetType().appType == WrtDB::APP_TYPE_TIZENWEBAPP) {
-         WidgetSettings widgetSettings;
-         m_dao->getWidgetSettings(widgetSettings);
-         WidgetSettingList settings(widgetSettings);
-        backbutton =
-            (settings.getBackButtonPresence() == BackButton_Enable);
-     }
-
-    FOREACH(it, windowModes)
-    {
-        std::string viewMode = DPL::ToUTF8String(*it);
-        if (viewMode == VIEWMODE_TYPE_FULLSCREEN) {
-            fullscreen = true;
-            break;
-        } else if (viewMode == VIEWMODE_TYPE_MAXIMIZED) {
-            break;
-        }
-    }
+    bool backbutton =
+        (m_settingList->getBackButtonPresence() == BackButton_Enable ||
+        m_currentViewMode == VIEWMODE_TYPE_WINDOWED);
+    m_windowData->setViewMode(m_currentViewMode == VIEWMODE_TYPE_FULLSCREEN,
+                              backbutton);
+}
 
-    LogInfo("initializeWindowModes " << m_debugMode);
+Eina_Bool WrtClient::naviframeBackButtonCallback(void* data,
+                                                 Elm_Object_Item* /*it*/)
+{
+    LogDebug("BackButtonCallback");
+    Assert(data);
 
-    if(m_debugMode) {
-        m_windowData->m_debugMode = TRUE;
-    }
-    else {
-        m_windowData->m_debugMode = FALSE;
-    }
+    WrtClient* This = static_cast<WrtClient*>(data);
+    This->m_widget->Backward();
+    return EINA_FALSE;
+}
 
-    WindowData::CtxMenuItems ctxMenuItems;
+int WrtClient::appcoreLowMemoryCallback(void* /*data*/)
+{
+    LogDebug("appcoreLowMemoryCallback");
+    //WrtClient* This = static_cast<WrtClient*>(data);
 
-    WindowData::CtxMenuItem ctxMenuBackword;
-    ctxMenuBackword.label = WRT_OPTION_LABEL_BACKWARD;
-    ctxMenuBackword.icon = WRT_OPTION_ICON_BACKWARD;
-    ctxMenuBackword.callback = backwardCallback;
-    ctxMenuBackword.data = this;
-    ctxMenuItems.push_back(ctxMenuBackword);
+    // TODO call RunnableWidgetObject API regarding low memory
+    // The API should be implemented
 
-    WindowData::CtxMenuItem ctxMenuReload;
-    ctxMenuReload.label = WRT_OPTION_LABEL_RELOAD;
-    ctxMenuReload.icon = WRT_OPTION_ICON_RELOAD;
-    ctxMenuReload.callback = reloadCallback;
-    ctxMenuReload.data = this;
-    ctxMenuItems.push_back(ctxMenuReload);
+    // temporary solution because we have no way to get ewk_context from runnable object.
+    if (s_preparedEwkContext)
+    {
+        ewk_context_cache_clear(s_preparedEwkContext);
+        ewk_context_notify_low_memory(s_preparedEwkContext);
+    }
 
-    WindowData::CtxMenuItem ctxMenuForward;
-    ctxMenuForward.label = WRT_OPTION_LABEL_FORWARD;
-    ctxMenuForward.icon = WRT_OPTION_ICON_FORWARD;
-    ctxMenuForward.callback = forwardCallback;
-    ctxMenuForward.data = this;
-    ctxMenuItems.push_back(ctxMenuForward);
+    return 0;
+}
 
-    m_windowData->setViewMode(fullscreen,
-            backbutton,
-            ctxMenuItems);
+void WrtClient::setInitialViewMode(void)
+{
+    Assert(m_dao);
+    WrtDB::WindowModeList windowModes = m_dao->getWindowModes();
+    FOREACH(it, windowModes) {
+        std::string viewMode = DPL::ToUTF8String(*it);
+        switch(viewMode[0]) {
+            case 'f':
+                if (viewMode == VIEWMODE_TYPE_FULLSCREEN) {
+                    m_initialViewMode = viewMode;
+                    m_currentViewMode = m_initialViewMode;
+                    break;
+                }
+                break;
+            case 'm':
+                if (viewMode == VIEWMODE_TYPE_MAXIMIZED) {
+                    m_initialViewMode = viewMode;
+                    m_currentViewMode = m_initialViewMode;
+                    break;
+                }
+                break;
+            case 'w':
+                if (viewMode == VIEWMODE_TYPE_WINDOWED) {
+                    m_initialViewMode = viewMode;
+                    m_currentViewMode = m_initialViewMode;
+                    break;
+                }
+                break;
+            default:
+                break;
+        }
+    }
 }
 
-void WrtClient::backButtonCallback(void* data,
-                                     Evas_Object * /*obj*/,
-                                     void * /*event_info*/)
+void WrtClient::setWindowInitialOrientation(void)
 {
-    LogInfo("BackButtonCallback");
-    Assert(data);
+    Assert(m_windowData);
+    Assert(m_dao);
 
-    WrtClient* This = static_cast<WrtClient*>(data);
+    WidgetSettingScreenLock rotationValue = m_settingList->getRotationValue();
+    if (rotationValue == Screen_Portrait) {
+        setWindowOrientation(OrientationAngle::Window::Portrait::PRIMARY);
+    } else if (rotationValue == Screen_Landscape) {
+        setWindowOrientation(OrientationAngle::Window::Landscape::PRIMARY);
+    } else if (rotationValue == Screen_AutoRotation) {
+        if (!AutoRotationSupport::setAutoRotation(
+                m_windowData->getEvasObject(Layer::WINDOW),
+                autoRotationCallback,
+                this))
+        {
+            LogError("Fail to set auto rotation");
+        }
+    } else {
+        setWindowOrientation(OrientationAngle::Window::Portrait::PRIMARY);
+    }
+}
 
-    This->m_widget->Backward();
+void WrtClient::setWindowOrientation(int angle)
+{
+    Assert(m_windowData);
+    m_windowData->setOrientation(angle);
 }
 
-void WrtClient::backwardCallback(void *data,
-        Evas_Object */*obj*/,
-        void */*event_info*/)
+void WrtClient::unsetWindowOrientation(void)
 {
-    LogInfo("BackButtonCallback");
-    Assert(data);
+    Assert(m_windowData);
+    Assert(m_dao);
 
-    WrtClient* This = static_cast<WrtClient*>(data);
+    WidgetSettingScreenLock rotationValue = m_settingList->getRotationValue();
+    if (rotationValue == Screen_AutoRotation) {
+        AutoRotationSupport::unsetAutoRotation(
+            m_windowData->getEvasObject(Layer::WINDOW),
+            autoRotationCallback);
+    }
+}
 
-    This->m_widget->Backward();
-    This->m_windowData->initFullViewMode();
+void WrtClient::setEwkInitialOrientation(void)
+{
+    Assert(m_widget);
+    Assert(m_dao);
+
+    WidgetSettingScreenLock rotationValue = m_settingList->getRotationValue();
+    if (rotationValue == Screen_Portrait) {
+        ewk_view_orientation_send(
+            m_widget->GetCurrentWebview(),
+             OrientationAngle::W3C::Portrait::PRIMARY);
+    } else if (rotationValue == Screen_Landscape) {
+        ewk_view_orientation_send(
+            m_widget->GetCurrentWebview(),
+            OrientationAngle::W3C::Landscape::PRIMARY);
+    } else if (rotationValue == Screen_AutoRotation) {
+         ewk_view_orientation_send(
+            m_widget->GetCurrentWebview(),
+            OrientationAngle::W3C::Portrait::PRIMARY);
+    } else {
+        ewk_view_orientation_send(
+            m_widget->GetCurrentWebview(),
+            OrientationAngle::W3C::Portrait::PRIMARY);
+    }
 }
 
-void WrtClient::reloadCallback(void *data,
-        Evas_Object */*obj*/,
-        void */*event_info*/)
+void WrtClient::ExitCallback(void* data,
+                                   Evas_Object * /*obj*/,
+                                   void * /*event_info*/)
 {
-    LogInfo("reloadCallback");
+    LogInfo("ExitCallback");
+    Assert(data);
 
     WrtClient* This = static_cast<WrtClient*>(data);
 
-    This->m_widget->Reload();
-    This->m_windowData->initFullViewMode();
+    This->OnTerminate();
 }
 
-void WrtClient::forwardCallback(void *data,
-        Evas_Object */*obj*/,
-        void */*event_info*/)
+void WrtClient::setCtxpopupItem(void)
 {
-    LogInfo("forwardCallback");
+    WindowData::CtxpopupItemDataList data;
+
+    // 1. share
+    WindowData::CtxpopupCallbackType shareCallback =
+        DPL::MakeDelegate(this, &WrtClient::ctxpopupShare);
+    WindowData::CtxpopupItemData shareData("Share",
+                                           std::string(),
+                                           shareCallback);
+
+    // 2. reload
+    WindowData::CtxpopupCallbackType reloadCallback =
+        DPL::MakeDelegate(this, &WrtClient::ctxpopupReload);
+    WindowData::CtxpopupItemData reloadData("Reload",
+                                            std::string(),
+                                            reloadCallback);
+
+    // 3. Open in browser
+    WindowData::CtxpopupCallbackType launchBrowserCallback =
+        DPL::MakeDelegate(this, &WrtClient::ctxpopupLaunchBrowser);
+    WindowData::CtxpopupItemData launchBrowserData("Open in browser",
+                                                   std::string(),
+                                                   launchBrowserCallback);
+    data.push_back(shareData);
+    data.push_back(reloadData);
+    data.push_back(launchBrowserData);
+    m_windowData->setCtxpopupItemData(data);
+}
 
-    WrtClient* This = static_cast<WrtClient*>(data);
+void WrtClient::ctxpopupShare(void)
+{
+    LogDebug("share");
+#ifdef X11
+    const char* url = ewk_view_url_get(m_widget->GetCurrentWebview());
+    if (!url) {
+        LogError("url is empty");
+        return;
+    }
+    if (ClientModule::ServiceSupport::launchShareService(
+            elm_win_xwindow_get(m_windowData->getEvasObject(Layer::WINDOW)),
+            url))
+    {
+        LogDebug("success");
+    } else {
+        LogDebug("fail");
+    }
+    evas_object_smart_callback_add(m_windowData->m_win,
+            "delete,request",
+            &WrtClient::ExitCallback,
+            this);
+#endif
+}
 
-    This->m_widget->Forward();
-    This->m_windowData->initFullViewMode();
+void WrtClient::ctxpopupReload(void)
+{
+    LogDebug("reload");
+    ewk_view_reload(m_widget->GetCurrentWebview());
 }
 
+void WrtClient::ctxpopupLaunchBrowser(void)
+{
+    LogDebug("launchBrowser");
+#ifdef X11
+    const char* url = ewk_view_url_get(m_widget->GetCurrentWebview());
+    if (!url) {
+        LogError("url is empty");
+        return;
+    }
+    if (ClientModule::ServiceSupport::launchViewService(
+            elm_win_xwindow_get(m_windowData->getEvasObject(Layer::WINDOW)),
+            url))
+    {
+        LogDebug("success");
+    } else {
+        LogDebug("fail");
+    }
+#endif
+}
 
-void WrtClient::connectElmCallback()
+void WrtClient::hwkeyCallback(const std::string& key)
 {
-    Assert(m_windowData);
-    Assert(m_dao);
-    if (m_dao->getWidgetType().appType == WrtDB::APP_TYPE_TIZENWEBAPP) {
-        WidgetSettings widgetSettings;
-        m_dao->getWidgetSettings(widgetSettings);
-        WidgetSettingList settings(widgetSettings);
-        if (settings.getBackButtonPresence() == BackButton_Enable) {
-            m_windowData->addFloatBackButtonCallback(
-            "clicked",
-            &WrtClient::backButtonCallback,
-            this);
+    if (m_settingList->getBackButtonPresence() == BackButton_Enable
+        || m_currentViewMode == VIEWMODE_TYPE_WINDOWED)
+    {
+        // windowed UX - hosted application
+        if (key == KeyName::BACK) {
+            if (m_isWebkitFullscreen) {
+                // FIXME!!! This method has not yet landed in the tizen 3.0
+                //          webkit-efl source tree
+                //ewk_view_fullscreen_exit(m_widget->GetCurrentWebview());
+            } else {
+                m_widget->Backward();
+            }
+        } else if (key == KeyName::MENU) {
+            // UX isn't confirmed
+            // m_windowData->showCtxpopup();
         }
-
-        WidgetSettingScreenLock rotationValue = settings.getRotationValue();
-        if (rotationValue == Screen_Portrait) {
-            elm_win_rotation_with_resize_set(m_windowData->m_win, 0);
-        } else if (rotationValue == Screen_Landscape) {
-            elm_win_rotation_with_resize_set(m_windowData->m_win, 270);
-        } else {
-            elm_win_rotation_with_resize_set(m_windowData->m_win, 0);
+    } else {
+        // packaged application
+        if (key == KeyName::BACK) {
+            if (m_isFullscreenByPlatform) {
+                // FIXME!!! This method has not yet landed in the tizen 3.0
+                //          webkit-efl source tree
+                //ewk_view_fullscreen_exit(m_widget->GetCurrentWebview());
+            }
         }
     }
 }
 
-void WrtClient::setLayout(Evas_Object* newBuffer) {
+void WrtClient::setLayout(Evas_Object* webview)
+{
     LogDebug("add new webkit buffer to window");
-    Assert(newBuffer);
-
-    elm_object_part_content_set(m_windowData->m_user_layout, ELM_SWALLOW_CONTENT, newBuffer);
-
-    evas_object_show(newBuffer);
+    Assert(webview);
+    m_windowData->setWebview(webview);
+    evas_object_show(webview);
 }
 
-void WrtClient::unsetLayout(Evas_Object* currentBuffer) {
+void WrtClient::unsetLayout(Evas_Object* webview)
+{
     LogDebug("remove current webkit buffer from window");
-    Assert(currentBuffer);
-    evas_object_hide(currentBuffer);
-
-    elm_object_part_content_unset(m_windowData->m_user_layout, ELM_SWALLOW_CONTENT);
+    Assert(webview);
+    evas_object_hide(webview);
+    m_windowData->unsetWebview();
 }
 
 void WrtClient::shutdownStep()
 {
     LogDebug("Closing Wrt connection ...");
-    if (m_initialized && m_widget) {
+
+    if (m_widget && m_widgetState) {
         m_widgetState = WidgetState_Stopped;
         m_widget->Hide();
+        // AutoRotation, focusCallback use m_widget pointer internally.
+        // It must be unset before m_widget is released.
+        m_submodeSupport->deinitialize();
+        unsetWindowOrientation();
+        m_windowData->smartCallbackDel(Layer::FOCUS,
+                                       "focused",
+                                       focusedCallback);
+        m_windowData->smartCallbackDel(Layer::FOCUS,
+                                       "unfocused",
+                                       unfocusedCallback);
         m_widget.reset();
-        m_windowData.reset();
+        ewk_context_delete(s_preparedEwkContext);
         WRT::CoreModuleSingleton::Instance().Terminate();
+    }
+    if (m_initialized) {
         m_initialized = false;
     }
+    m_windowData.reset();
     Quit();
 }
 
+void WrtClient::autoRotationCallback(void* data, Evas_Object* obj, void* /*event*/)
+{
+    LogDebug("entered");
+
+    Assert(data);
+    Assert(obj);
+
+    WrtClient* This = static_cast<WrtClient*>(data);
+    This->autoRotationSetOrientation(obj);
+}
+
+void WrtClient::focusedCallback(void* data,
+                                Evas_Object* /*obj*/,
+                                void* /*eventInfo*/)
+{
+    LogDebug("entered");
+    Assert(data);
+    WrtClient* This = static_cast<WrtClient*>(data);
+    elm_object_focus_set(This->m_widget->GetCurrentWebview(), EINA_TRUE);
+}
+
+void WrtClient::unfocusedCallback(void* data,
+                                Evas_Object* /*obj*/,
+                                void* /*eventInfo*/)
+{
+    LogDebug("entered");
+    Assert(data);
+    WrtClient* This = static_cast<WrtClient*>(data);
+    elm_object_focus_set(This->m_widget->GetCurrentWebview(), EINA_FALSE);
+}
+
+void WrtClient::autoRotationSetOrientation(Evas_Object* obj)
+{
+    LogDebug("entered");
+    Assert(obj);
+
+    AutoRotationSupport::setOrientation(obj, m_widget->GetCurrentWebview(),
+                                (m_splashScreen) ? m_splashScreen.get(): NULL);
+}
+
 int WrtClient::languageChangedCallback(void *data)
 {
     LogDebug("Language Changed");
-    if(!data)
+    if (!data) {
         return 0;
+    }
     WrtClient* wrtClient = static_cast<WrtClient*>(data);
-    if(!(wrtClient->m_dao))
+    if (!(wrtClient->m_dao)) {
         return 0;
+    }
 
     // reset function fetches system locales and recreates language tags
     LanguageTagsProviderSingleton::Instance().resetLanguageTags();
     // widget default locales are added to language tags below
     DPL::OptionalString defloc = wrtClient->m_dao->getDefaultlocale();
-    if(!defloc.IsNull())
-    {
-        LanguageTagsProviderSingleton::Instance().addWidgetDefaultLocales(*defloc);
+    if (!defloc.IsNull()) {
+        LanguageTagsProviderSingleton::Instance().addWidgetDefaultLocales(
+            *defloc);
     }
 
     if (wrtClient->m_launched &&
-            wrtClient->m_widgetState != WidgetState_Stopped) {
+        wrtClient->m_widgetState != WidgetState_Stopped)
+    {
         wrtClient->m_widget->ReloadStartPage();
     }
     return 0;
@@ -725,13 +914,208 @@ void WrtClient::Quit()
     DPL::Application::Quit();
 }
 
+static Eina_Bool proces_pool_fd_handler(void* /*data*/, Ecore_Fd_Handler *handler)
+{
+    int fd = ecore_main_fd_handler_fd_get(handler);
+
+    if (fd == -1)
+    {
+        LogDebug("ECORE_FD_GET");
+        exit(-1);
+    }
+
+    if (ecore_main_fd_handler_active_get(handler, ECORE_FD_ERROR))
+    {
+        LogDebug("ECORE_FD_ERROR");
+        close(fd);
+        exit(-1);
+    }
+
+    if (ecore_main_fd_handler_active_get(handler, ECORE_FD_READ))
+    {
+        LogDebug("ECORE_FD_READ");
+        {
+            app_pkt_t* pkt = (app_pkt_t*) malloc(sizeof(char) * AUL_SOCK_MAXBUFF);
+            memset(pkt, 0, AUL_SOCK_MAXBUFF);
+
+            int recv_ret = recv(fd, pkt, AUL_SOCK_MAXBUFF, 0);
+            close(fd);
+
+            if (recv_ret == -1)
+            {
+                LogDebug("recv error!");
+                free(pkt);
+                exit(-1);
+            }
+
+            LogDebug("recv_ret : " << recv_ret << ", pkt->len : " << pkt->len);
+            ecore_main_fd_handler_del(handler);
+            process_pool_launchpad_main_loop(pkt, app_argv[0], &app_argc, &app_argv);
+            free(pkt);
+        }
+        ecore_main_loop_quit();
+    }
+
+    return ECORE_CALLBACK_CANCEL;
+}
+
+static void vconf_changed_handler(keynode_t* /*key*/, void* /*data*/)
+{
+    LogDebug("VCONFKEY_LANGSET vconf-key was changed!");
+
+    // When system language is changed, the candidate process will be created again.
+    exit(-1);
+}
+
+void set_env()
+{
+#ifndef TIZEN_PUBLIC
+    setenv("COREGL_FASTPATH", "1", 1);
+#endif
+    setenv("CAIRO_GL_COMPOSITOR", "msaa", 1);
+    setenv("CAIRO_GL_LAZY_FLUSHING", "yes", 1);
+    setenv("ELM_IMAGE_CACHE", "0", 1);
+}
+
 int main(int argc,
          char *argv[])
 {
+    // process pool - store arg's value
+    app_argc = argc;
+    app_argv = argv;
+
+#ifndef X11
+    // Mesa does a bad job detecting the correct EGL
+    // platform to use, and ends up assuming that the
+    // wrt-client is using X
+    setenv("EGL_PLATFORM", "wayland", 1);
+#endif
+
     UNHANDLED_EXCEPTION_HANDLER_BEGIN
     {
         ADD_PROFILING_POINT("main-entered", "point");
 
+        // Set log tagging
+        DPL::Log::LogSystemSingleton::Instance().SetTag("WRT");
+
+        // Set environment variables
+        set_env();
+
+        if (argc > 1 && argv[1] != NULL && !strcmp(argv[1], "-d"))
+        {
+            LogDebug("Entered dummy process mode");
+            sprintf(argv[0], "%s                                              ",
+                    DUMMY_PROCESS_PATH);
+
+            // Set 'root' home directory
+            setenv(HOME, ROOT_HOME_PATH, 1);
+
+            LogDebug("Prepare ewk_context");
+            appcore_set_i18n("wrt-client", NULL);
+            ewk_set_arguments(argc, argv);
+            setenv("WRT_LAUNCHING_PERFORMANCE", "1", 1);
+            s_preparedEwkContext = ewk_context_new_with_injected_bundle_path(BUNDLE_PATH);
+
+            if (s_preparedEwkContext == NULL)
+            {
+                LogDebug("Creating webkit context was failed!");
+                exit(-1);
+            }
+
+            int client_fd = __connect_process_pool_server();
+
+            if (client_fd == -1)
+            {
+                LogDebug("Connecting process_pool_server was failed!");
+                exit(-1);
+            }
+
+            // register language changed callback
+            vconf_notify_key_changed(VCONFKEY_LANGSET, vconf_changed_handler, NULL);
+
+            LogDebug("Prepare window_data");
+            // Temporarily change HOME path to app
+            // This change is needed for getting elementary profile
+            // /opt/home/app/.elementary/config/mobile/base.cfg
+            const char* backupEnv = getenv(HOME);
+            if (!backupEnv) {
+                // If getenv return "NULL", set empty string
+                backupEnv = "";
+            }
+            setenv(HOME, APP_HOME_PATH, 1);
+            LogDebug("elm_init()");
+            elm_init(argc, argv);
+            setenv(HOME, backupEnv, 1);
+
+            LogDebug("WindowData()");
+            s_preparedWindowData = new WindowData(static_cast<unsigned long>(getpid()));
+
+            Ecore_Fd_Handler* fd_handler = ecore_main_fd_handler_add(client_fd,
+                                           (Ecore_Fd_Handler_Flags)(ECORE_FD_READ|ECORE_FD_ERROR),
+                                           proces_pool_fd_handler, NULL, NULL, NULL);
+
+            if (fd_handler == NULL)
+            {
+                LogDebug("fd_handler is NULL");
+                exit(-1);
+            }
+
+            setpriority(PRIO_PROCESS, 0, 0);
+
+            LogDebug("ecore_main_loop_begin()");
+            ecore_main_loop_begin();
+            LogDebug("ecore_main_loop_begin()_end");
+
+            // deregister language changed callback
+            vconf_ignore_key_changed(VCONFKEY_LANGSET, vconf_changed_handler);
+
+            std::string tizenId =
+                ClientModule::CommandLineParser::getTizenId(argc, argv);
+            ewk_context_message_post_to_injected_bundle(
+                s_preparedEwkContext,
+                MESSAGE_NAME_INITIALIZE,
+                tizenId.c_str());
+
+        }
+        else
+        {
+            // This code is to fork a web process without exec.
+            std::string tizenId =
+                ClientModule::CommandLineParser::getTizenId(argc, argv);
+
+            if (!tizenId.empty()) {
+                if (UID_ROOT == getuid()) {
+                    // Drop root permission
+                    // Only launch web application by console command case has root permission
+                    if (!ClientModule::SecuritySupport::setAppPrivilege(tizenId)) {
+                        LogError("Fail to set app privilege : [" << tizenId << "]");
+                        exit(-1);
+                    }
+                }
+
+                LogDebug("Launching by fork mode");
+                // Language env setup
+                appcore_set_i18n("wrt-client", NULL);
+                ewk_set_arguments(argc, argv);
+                setenv("WRT_LAUNCHING_PERFORMANCE", "1", 1);
+                s_preparedEwkContext = ewk_context_new_with_injected_bundle_path(
+                        BUNDLE_PATH);
+
+                if (s_preparedEwkContext == NULL)
+                {
+                    LogDebug("Creating webkit context was failed!");
+                    Wrt::Popup::PopupInvoker().showInfo("Error", "Creating webkit context was failed.", "OK");
+                    exit(-1);
+                }
+
+                // plugin init
+                ewk_context_message_post_to_injected_bundle(
+                    s_preparedEwkContext,
+                    MESSAGE_NAME_INITIALIZE,
+                    tizenId.c_str());
+            }
+        }
+
         // Output on stdout will be flushed after every newline character,
         // even if it is redirected to a pipe. This is useful for running
         // from a script and parsing output.
@@ -740,27 +1124,7 @@ int main(int argc,
         // the output may not be flushed).
         setlinebuf(stdout);
 
-        // set evas backend type
-        if (!getenv("ELM_ENGINE")) {
-            if (!setenv("ELM_ENGINE", "gl", 1)) {
-                    LogDebug("Enable backend");
-            }
-        }
-        else {
-            LogDebug("ELM_ENGINE : " << getenv("ELM_ENGINE"));
-        }
-
-    #ifndef TIZEN_PUBLIC
-        setenv("COREGL_FASTPATH", "1", 1);
-    #endif
-        setenv("CAIRO_GL_COMPOSITOR", "msaa", 1);
-        setenv("CAIRO_GL_LAZY_FLUSHING", "yes", 1);
-        setenv("ELM_IMAGE_CACHE", "0", 1);
-
-        // Set log tagging
-        DPL::Log::LogSystemSingleton::Instance().SetTag("WRT-CLIENT");
-
-        WrtClient app(argc, argv);
+        WrtClient app(app_argc, app_argv);
 
         ADD_PROFILING_POINT("Before appExec", "point");
         int ret = app.Exec();