264 lines
8.2 KiB
C++
264 lines
8.2 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "gui/storagewizarddialog.h"
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#include "gui/gui-manager.h"
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#include "gui/message.h"
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#include "gui/widget.h"
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#include "backends/cloud/cloudmanager.h"
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#ifdef USE_SDL_NET
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#include "backends/networking/sdl_net/localwebserver.h"
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#endif
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#include "backends/networking/browser/openurl.h"
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#include "common/translation.h"
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#include "widgets/edittext.h"
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namespace GUI {
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enum {
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kConnectCmd = 'Cnnt',
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kCodeBoxCmd = 'CdBx',
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kOpenUrlCmd = 'OpUr'
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};
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StorageWizardDialog::StorageWizardDialog(uint32 storageId):
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Dialog("GlobalOptions_Cloud_ConnectionWizard"), _storageId(storageId), _close(false), _stopServerOnClose(false) {
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_backgroundType = GUI::ThemeEngine::kDialogBackgroundPlain;
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Common::String headline = Common::String::format(_("%s Storage Connection Wizard"), CloudMan.listStorages()[_storageId].c_str());
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new StaticTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.Headline", headline);
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new StaticTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.NavigateLine", _s("Navigate to the following URL:"));
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new StaticTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.URLLine", getUrl());
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StaticTextWidget *returnLine1 = new StaticTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.ReturnLine1", _s("Obtain the code from the storage, enter it"));
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StaticTextWidget *returnLine2 = new StaticTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.ReturnLine2", _s("in the following field and press 'Connect':"));
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for (uint32 i = 0; i < CODE_FIELDS; ++i)
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_codeWidget[i] = new EditTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.CodeBox" + Common::String::format("%d", i+1), "", 0, kCodeBoxCmd);
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_messageWidget = new StaticTextWidget(this, "GlobalOptions_Cloud_ConnectionWizard.MessageLine", "");
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// Buttons
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new ButtonWidget(this, "GlobalOptions_Cloud_ConnectionWizard.CancelButton", _("Cancel"), 0, kCloseCmd);
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new ButtonWidget(this, "GlobalOptions_Cloud_ConnectionWizard.OpenUrlButton", _("Open URL"), 0, kOpenUrlCmd);
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_connectWidget = new ButtonWidget(this, "GlobalOptions_Cloud_ConnectionWizard.ConnectButton", _("Connect"), 0, kConnectCmd);
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if (Cloud::CloudManager::couldUseLocalServer()) {
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// hide fields and even the button if local webserver is on
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returnLine1->setLabel(_s("You would be navigated to ScummVM's page"));
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returnLine2->setLabel(_s("when you'd allow it to use your storage."));
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for (uint32 i = 0; i < CODE_FIELDS; ++i)
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_codeWidget[i]->setVisible(false);
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_messageWidget->setVisible(false);
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_connectWidget->setVisible(false);
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}
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}
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void StorageWizardDialog::open() {
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Dialog::open();
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if (CloudMan.isWorking()) {
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bool doClose = true;
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MessageDialog alert(_("The other Storage is working. Do you want to interrupt it?"), _("Yes"), _("No"));
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if (alert.runModal() == GUI::kMessageOK) {
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if (CloudMan.isDownloading())
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CloudMan.cancelDownload();
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if (CloudMan.isSyncing())
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CloudMan.cancelSync();
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// I believe it still would return `true` here, but just in case
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if (CloudMan.isWorking()) {
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MessageDialog alert2(_("Wait until current Storage finishes up and try again."));
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alert2.runModal();
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} else {
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doClose = false;
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}
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}
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if (doClose) {
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close();
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return;
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}
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}
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if (Cloud::CloudManager::couldUseLocalServer()) {
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_stopServerOnClose = !LocalServer.isRunning();
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LocalServer.start();
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LocalServer.indexPageHandler().setTarget(this);
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}
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}
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void StorageWizardDialog::close() {
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if (Cloud::CloudManager::couldUseLocalServer()) {
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if (_stopServerOnClose)
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LocalServer.stopOnIdle();
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LocalServer.indexPageHandler().setTarget(nullptr);
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}
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Dialog::close();
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}
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void StorageWizardDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
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switch (cmd) {
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case kCodeBoxCmd: {
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Common::String code, message;
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uint32 correctFields = 0;
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for (uint32 i = 0; i < CODE_FIELDS; ++i) {
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Common::String subcode = _codeWidget[i]->getEditString();
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if (subcode.size() == 0) {
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++correctFields;
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continue;
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}
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bool correct = correctChecksum(subcode);
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if (correct) {
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code += subcode;
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code.deleteLastChar();
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++correctFields;
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} else {
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if (i == correctFields) { //first incorrect field
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message += Common::String::format("#%d", i + 1);
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} else {
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message += Common::String::format(", #%d", i + 1);
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}
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}
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}
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if (message.size() > 0) {
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Common::String messageTemplate;
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if (CODE_FIELDS - correctFields == 1)
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messageTemplate = _("Field %s has a mistake in it.");
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else
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messageTemplate = _("Fields %s have mistakes in them.");
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message = Common::String::format(messageTemplate.c_str(), message.c_str());
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}
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bool ok = false;
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if (correctFields == CODE_FIELDS && code.size() > 0) {
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//the last 3 chars must be an encoded crc16
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if (code.size() > 3) {
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uint32 size = code.size();
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uint32 gotcrc = decodeHashchar(code[size-3]) | (decodeHashchar(code[size-2]) << 6) | (decodeHashchar(code[size-1]) << 12);
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code.erase(size - 3);
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uint32 crc = crc16(code);
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ok = (crc == gotcrc);
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}
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if (ok)
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message = _("All OK!");
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else
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message = _("Invalid code");
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}
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_connectWidget->setEnabled(ok);
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_messageWidget->setLabel(message);
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break;
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}
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case kOpenUrlCmd: {
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if (!Networking::Browser::openUrl(getUrl())) {
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MessageDialog alert(_("Failed to open URL!\nYou should navigate there manually then."));
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alert.runModal();
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}
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break;
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}
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case kConnectCmd: {
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Common::String code;
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for (uint32 i = 0; i < CODE_FIELDS; ++i) {
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Common::String subcode = _codeWidget[i]->getEditString();
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if (subcode.size() == 0)
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continue;
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code += subcode;
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code.deleteLastChar();
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}
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code.erase(code.size() - 3);
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CloudMan.connectStorage(_storageId, code);
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setResult(1);
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close();
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break;
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}
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case kStorageCodePassedCmd:
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CloudMan.connectStorage(_storageId, LocalServer.indexPageHandler().code());
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_close = true;
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break;
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default:
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Dialog::handleCommand(sender, cmd, data);
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}
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}
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void StorageWizardDialog::handleTickle() {
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if (_close) {
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setResult(1);
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close();
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}
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Dialog::handleTickle();
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}
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Common::String StorageWizardDialog::getUrl() const {
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Common::String url = "https://www.scummvm.org/c/";
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switch (_storageId) {
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case Cloud::kStorageDropboxId:
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url += "db";
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break;
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case Cloud::kStorageOneDriveId:
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url += "od";
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break;
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case Cloud::kStorageGoogleDriveId:
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url += "gd";
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break;
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case Cloud::kStorageBoxId:
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url += "bx";
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break;
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}
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if (Cloud::CloudManager::couldUseLocalServer())
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url += "s";
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return url;
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}
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int StorageWizardDialog::decodeHashchar(char c) {
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const char HASHCHARS[65] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ?!";
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for (uint32 i = 0; i < 64; ++i)
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if (c == HASHCHARS[i])
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return i;
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return -1;
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}
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bool StorageWizardDialog::correctChecksum(Common::String s) {
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if (s.size() == 0)
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return false; //no last char
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int providedChecksum = decodeHashchar(s.lastChar());
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int calculatedChecksum = 0x2A; //any initial value would do, but it must equal to the one used on the page where these checksums were generated
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for (uint32 i = 0; i < s.size()-1; ++i) {
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calculatedChecksum = calculatedChecksum ^ s[i];
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}
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return providedChecksum == (calculatedChecksum % 64);
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}
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uint32 StorageWizardDialog::crc16(Common::String s) { //"CRC16_CCITT_FALSE"
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uint32 crc = 0xFFFF, x;
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for (uint32 i = 0; i < s.size(); ++i) {
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x = ((crc >> 8) ^ s[i]) & 0xFF;
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x ^= x >> 4;
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crc = ((crc << 8) ^ (x << 12) ^ (x << 5) ^ x) & 0xFFFF;
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}
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return crc;
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}
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} // End of namespace GUI
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