recogwindow.cpp

一个基于BREW上的WEB service程序,通过扫描图书的条形码,登陆WEB站点,利用SOAP-RPC来查询图书信息.

    SFXGraphicsPtr graphics(SFXGraphics::GetInstance());

    if (status == BarCodeReader::STATUS_FRAME || status == BarCodeReader::STATUS_GOTBARCODE) {
        _isCameraHaveData = true;

        // 榞慄偺昤夋
        bitmap = _barcodeReader.GetBitmap();
        graphics->SetDestination(bitmap);
        graphics->SetFillMode(false);
        
        DrawFrame(graphics);

        graphics->ResetDestination();
    }

    // 僶乕僐乕僪偐傜僨乕僞傪庢摼偟偨応崌
    if (status == BarCodeReader::STATUS_GOTBARCODE) {
        // 偡偱偵忣曬傪庢摼偟偰偄傞偐挷傋傞
        filename = pself::GetInstance()->GetFilename(_barcodeReader.GetCode());

        if (!filename.IsEmpty()) { // 偡偱偵忣曬傪庢摼偟偨傾僀僥儉側傜
            StopCamera();

            // XML 傪夝愅偡傞
            _parser.SetParseImageUrl(true);
            _parser.SetParseCustomerReviews(true);
            _parser.SetParseSimilarProducts(true);
            if (_parser.Parse(filename) == SFERR_NO_ERROR) {
                // 寢壥昞帵僂僀儞僪僂傪奐偔
                ::new InformationWindow(&_parser, this);
            }
            // 嫮惂嵞昤夋
            SFRApplication::GetInstance()->Invoke(SFXEvent(SREVT_RESPONDER_RENDER, SRP16_RENDER_INVOKE, true));
        } else { // 忣曬傪庢摼偟偨偙偲偺側偄傾僀僥儉側傜
            if (!_isStream) { // 楢懕儌乕僪偱側偄側傜
                StopCamera();

                // 僱僢僩儚乕僋愙懕
                _networkDialog.Open(SGXAWSParser::GetUrl(_barcodeReader.GetCode()), true, OnNetworkEntry, this);
            }
        }
    }
    else if (status == BarCodeReader::STATUS_STOP) {
        if (_isClosing) {
            _barcodeReader.Terminate();
            Invoke(SFXEvent(SREVT_RESPONDER_TERMINATE, SRP16_TERMINATE_INVOKE, true));
        }
    }
}

Void RecogWindow::DrawFrame(SFXGraphicsPtr graphics)
{
    SInt16 radius = 10;                                     // 妏偺墌敿宎
    SFXRGBColor red = SFXRGBColor(0xFF, 0x99, 0x99, 0x00);  // 昤夋怓
    SFXRectangle rect = SFXRectangle((_previewRect.GetWidth() - BARCODE_SQUARE_SIZE) / 2, (_previewRect.GetHeight() - BARCODE_SQUARE_SIZE) / 2, BARCODE_SQUARE_SIZE, BARCODE_SQUARE_SIZE);

    graphics->DrawArc(SFXArc(rect.GetX()     + radius, rect.GetY()      + radius, radius,  90, 90), red);
    graphics->DrawArc(SFXArc(rect.GetRight() - radius, rect.GetY()      + radius, radius,   0, 90), red);
    graphics->DrawArc(SFXArc(rect.GetX()     + radius, rect.GetBottom() - radius, radius, 180, 90), red);
    graphics->DrawArc(SFXArc(rect.GetRight() - radius, rect.GetBottom() - radius, radius, 270, 90), red);

    graphics->DrawLine(SFXLine(rect.GetX() + radius, rect.GetY()         , rect.GetRight() - radius, rect.GetY()              ), red);
    graphics->DrawLine(SFXLine(rect.GetX()         , rect.GetY() + radius, rect.GetX()             , rect.GetBottom() - radius), red);
    graphics->DrawLine(SFXLine(rect.GetX() + radius, rect.GetBottom()    , rect.GetRight() - radius, rect.GetBottom()         ), red);
    graphics->DrawLine(SFXLine(rect.GetRight()     , rect.GetY() + radius, rect.GetRight()         , rect.GetBottom() - radius), red);

    graphics->DrawLine(SFXLine(rect.GetX()    , rect.GetY() + rect.GetHeight() / 2, rect.GetX() + 5    , rect.GetY() + rect.GetHeight() / 2), red);
    graphics->DrawLine(SFXLine(rect.GetRight(), rect.GetY() + rect.GetHeight() / 2, rect.GetRight() - 5, rect.GetY() + rect.GetHeight() / 2), red);
    graphics->DrawLine(SFXLine(rect.GetX() + rect.GetWidth() / 2, rect.GetY()     , rect.GetX() + rect.GetWidth() / 2, rect.GetY() + 5     ), red);
    graphics->DrawLine(SFXLine(rect.GetX() + rect.GetWidth() / 2, rect.GetBottom(), rect.GetX() + rect.GetWidth() / 2, rect.GetBottom() - 5), red);
}

// 僇儊儔傪掆巭偡傞
Void RecogWindow::StopCamera(Void)
{
    _barcodeReader.Stop();
    _isPreviewed = false;
}

// 僱僢僩儚乕僋僟僀傾儘僌偐傜偺捠抦乮static 斉乯
Void RecogWindow::OnNetworkEntry(SGRNetworkDialogSet::NotifyEnum notify, SFCError error, VoidPtr reference)
{
    RecogWindowPtr(reference)->OnNetwork(notify, error);
}

// 僱僢僩儚乕僋僟僀傾儘僌偐傜偺捠抦
Void RecogWindow::OnNetwork(SGRNetworkDialogSet::NotifyEnum notify, SFCError error)
{
    unused(error);

    switch(notify) {
        case SGRNetworkDialogSet::NOTIFY_CONNECT_START:
            _isConnecting = true;
            break;
        case SGRNetworkDialogSet::NOTIFY_CONNECT_CANCEL:
            StartCamera();
            break;
        case SGRNetworkDialogSet::NOTIFY_CONNECT_END:
            _isConnecting = false;
            _streamParsingError = ParseXML();
            break;
    }
}

SFCError RecogWindow::ParseXML(Void)
{
    SFCError error;

    SFXAnsiString str;

    // 僼傽僀儖柤偺惗惉
    SFXMTRandom rand;
    SFUFileStream fstream;
    SFBFileMgrSmp fileManager(SFBFileMgr::NewInstance());
    SFXAnsiString filename;

    SInt16 i;
    for (i = 0; i < FILE_RETRY_TIMES; ++i) {
        filename = DIR_NAME;
        filename << SFXAnsiString::Format("data%d", rand.GetUInt16())
            << "_sjis" << EXTENSION_NAME;
        if (fileManager->Test(filename) != SFERR_NO_ERROR) {
            break;
        }
    }
    if (i < FILE_RETRY_TIMES) {
        // sjis 偵曄姺
        error = Utf8toAnsiString(_networkDialog.GetText(), &str);
        if (error == SFERR_NO_ERROR) {
            _networkDialog.ClearText();

            fileManager->Remove(filename);

            error = fstream.Open(filename, _OFM_CREATE);
            if (error == SFERR_NO_ERROR) {
                fstream << str;
                fstream.Close();

                // XML 傪夝愅偡傞
                _parser.SetParseImageUrl(true);
                _parser.SetParseCustomerReviews(true);
                _parser.SetParseSimilarProducts(true);
                error = _parser.Parse(filename);
                if (error == SFERR_NO_ERROR) {
                    error = pself::GetInstance()->AddItem(_barcodeReader.GetCode(), _parser.GetTitle(), filename);
                    if (error == SFERR_NO_ERROR) {
                        if (!_isStream) {
                            // 寢壥昞帵僂僀儞僪僂傪奐偔
                            if ((::new InformationWindow(&_parser, this)) == null) {
                                error = SFERR_NO_MEMORY;
                            }
                        } else {
                            _timecount = SFXDate::CurrentDate();
                        }
                    }
                } else {
                    fileManager->Remove(filename);
                }
            } else {
                SFXHelper::dbgprintf("[RecogWindow] fopen err [%d]", error);
            }
        }

        if (error != SFERR_NO_ERROR) {
            _timecount = SFXDate::CurrentDate();
        }
    }
    else {
        error = SFERR_FAILED;
    }

    return error;
}

// 夋柺壓偺暥帤傪峏怴偡傞偨傔偺僞僀儅乕
Void RecogWindow::OnDrawingTimer(Void) {
    // RecogWindow 偑慜柺偵偁傞偐丄傑偨偼愙懕偟偰偄傞搑拞偐
    if (SFRApplication::GetInstance()->GetFront() == this || _isConnecting) {
        /*if (_flags & STATUS_PARSEERROR) {
            if ((SFXDate::CurrentDate() - _timecount).ToSInt32() > 3) {
                _flags &= ~STATUS_PARSEERROR;
            } else {
                _messageLeft = "[夝愅偵幐攕偟傑偟偨]";
                _messageRight = "ISBN: " + _barcodeReader.GetCode();
            }
        } else if (_flags & STATUS_PARSEOK) {
            if ((SFXDate::CurrentDate() - _timecount).ToSInt32() > 2) {
                _flags &= ~STATUS_PARSEOK;
            } else {
                //_messageLeft = "撉傒庢傝姰椆";
                _messageLeft = pself::GetInstance()->GetTitle(_barcodeReader.GetCode());
                _messageRight = "ISBN: " + _barcodeReader.GetCode();
            }
        } else */if (_isAlreadyHaving) {
            if ((SFXDate::CurrentDate() - _timecount).ToSInt32() > 2) {
                _isAlreadyHaving = false;
            } else {
                //_messageLeft = "[偡偱偵撉傒庢傝嵪傒偱偡]";
                _messageLeft = pself::GetInstance()->GetTitle(_barcodeReader.GetCode());
                _messageRight = "ISBN: " + _barcodeReader.GetCode();
            }
        } else {
            if (_isConnecting) {
                _messageLeft = "愙懕拞";
                _messageRight = "ISBN: " + _barcodeReader.GetCode();
            } else {
                _messageLeft = "撉傒庢傝拞";
                _messageRight = "pself Version1.0";
            }

            if (_animationcount == 1) {
                _messageLeft += ".";
            } else if (_animationcount == 2) {
                _messageLeft += "..";
            } else if (_animationcount == 3) {
                _messageLeft += "...";
            }
            ++_animationcount;
            _animationcount %= 4;
        }

        _isTimerDrawing = true; // 僞僀儅乕偵傛傞昤夋偱偁傞偙偲傪抦傜偣傞
        InvalidateContent(); // 嵞昤夋
        SFRApplication::GetInstance()->Invoke(SFXEvent(SREVT_RESPONDER_RENDER, SRP16_RENDER_INVOKE, false));
    }

    // 嵞傃僞僀儅乕偺愝掕
    SFBShell::GetInstance()->SetTimer(500, OnDrawingTimerEntry, this);
}