camerauis/cameraxui/cxui/src/cxuierrormanager.cpp
changeset 19 d9aefe59d544
child 21 fa6d9f75d6a6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraxui/cxui/src/cxuierrormanager.cpp	Fri Apr 16 14:51:30 2010 +0300
@@ -0,0 +1,184 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#include <hbdialog.h>
+#include <hblabel.h>
+#include <hbpushbutton.h>
+#include <QCoreApplication>
+
+#include "cxutils.h"
+#include "cxeerror.h"
+#include "cxeengine.h"
+#include "cxuienums.h"
+#include "cxuierrormanager.h"
+#include "cxuidocumentloader.h"
+#include "cxecameradevicecontrol.h"
+
+
+/*
+* CxuiErrorManager::CxuiErrorManager
+*/
+CxuiErrorManager::CxuiErrorManager(CxuiCaptureKeyHandler &keyHandler,CxuiDocumentLoader *documentLoader) :
+    mKeyHandler(keyHandler),
+    mDocumentLoader(documentLoader),
+    mErrorMsgPopup(NULL),
+    mErrorSeverity(CxuiErrorManager::None)
+{
+    CX_DEBUG_ENTER_FUNCTION();
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+// ---------------------------------------------------------------------------
+// CxuiViewManager::~CxuiViewManager
+//
+// ---------------------------------------------------------------------------
+//
+CxuiErrorManager::~CxuiErrorManager()
+{
+    CX_DEBUG_ENTER_FUNCTION();
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+
+// ---------------------------------------------------------------------------
+// CxuiErrorManager::reportError
+//
+// ---------------------------------------------------------------------------
+//
+void CxuiErrorManager::analyze(CxeError::Id error)
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    mErrorMsgPopup = NULL;
+    mErrorSeverity = CxuiErrorManager::None;
+
+    // start evaluating the error.
+    QString errorMsgTxt = getErrorDetails(error);
+
+    if(mErrorSeverity != CxuiErrorManager::None) {
+        // show the error note to the user.
+        launchPopup(errorMsgTxt);
+    } else {
+        // ignore
+    }
+
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+
+// ---------------------------------------------------------------------------
+// CxuiErrorManager::aboutToClosePopup
+//
+// ---------------------------------------------------------------------------
+//
+void CxuiErrorManager::aboutToClosePopup()
+{
+    CX_DEBUG_ENTER_FUNCTION();
+    // handle any use-cases when the error can be recovered
+    emit errorRecovered();
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+
+
+// ---------------------------------------------------------------------------
+// CxuiErrorManager::closeApp
+//
+// ---------------------------------------------------------------------------
+//
+void CxuiErrorManager::closeApp()
+{
+    CX_DEBUG_ENTER_FUNCTION();
+    QCoreApplication::quit();
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+
+
+// ---------------------------------------------------------------------------
+// CxuiErrorManager::getErrorDetails
+// evaluates error for error severity and error note
+// ---------------------------------------------------------------------------
+QString CxuiErrorManager::getErrorDetails(CxeError::Id error)
+{
+    CX_DEBUG_ENTER_FUNCTION();
+    QString msg("No Error");
+    switch(error) {
+        case CxeError::Died:
+        case CxeError::InitializationFailed:
+        case CxeError::HwNotAvailable:
+        case CxeError::NotReady:
+            mErrorSeverity = CxuiErrorManager::Severe;
+            msg = hbTrId("txt_cam_info_error");
+            break;
+        case CxeError::InUse:
+            mErrorSeverity = CxuiErrorManager::Severe;
+            msg = hbTrId("txt_cam_info_camera_already_in_use");
+            break;
+        default:
+            break;
+    }
+    CX_DEBUG_EXIT_FUNCTION();
+
+    return msg;
+}
+
+
+// ---------------------------------------------------------------------------
+// CxuiErrorManager::launchPopup
+// ---------------------------------------------------------------------------
+void CxuiErrorManager::launchPopup(QString& errorMsgTxt)
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    // we always prepare the popup for the new message and hence we load the
+    // popup everytime from document loader
+
+    CX_ASSERT_ALWAYS(mDocumentLoader);
+    bool ok = false;
+
+    // Use document loader to create popup
+    mDocumentLoader->load(CxUiLayout::ERROR_POPUP_XML, &ok);
+    CX_DEBUG(("mErrorMsgPopup load ok=%d", ok));
+
+    mErrorMsgPopup = qobject_cast<HbDialog*>(mDocumentLoader->findWidget(CxUiLayout::ERROR_POPUP));
+
+    CX_ASSERT_ALWAYS(mErrorMsgPopup);
+
+    mErrorMsgPopup->setTimeout(HbDialog::NoTimeout);
+    mErrorMsgPopup->setBackgroundFaded(false);
+
+    // color of standby text is set in the code. It cannot be done in docml
+    HbLabel* label = qobject_cast<HbLabel*>(mDocumentLoader->findWidget(CxUiLayout::ERROR_TEXT_WIDGET));
+    label->setTextColor(Qt::white);
+    label->setPlainText(errorMsgTxt);
+
+    HbPushButton *exitButton = qobject_cast<HbPushButton*>(mDocumentLoader->findWidget(CxUiLayout::ERROR_BUTTON_WIDGET));
+
+    if(mErrorSeverity == CxuiErrorManager::Severe) {
+        // inform ui about error recovery
+        emit aboutToRecoverError();
+        QObject::connect(mErrorMsgPopup, SIGNAL(aboutToClose()), this, SLOT(closeApp()));
+        exitButton->show();
+    } else {
+        // TODO handle other severity cases here.
+    }
+
+    mErrorMsgPopup->show();
+
+    CX_DEBUG_EXIT_FUNCTION();
+}