scummvm/gui/storagewizarddialog.cpp

364 lines
12 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "gui/storagewizarddialog.h"
#include "gui/gui-manager.h"
#include "gui/message.h"
#include "gui/widget.h"
#include "gui/widgets/edittext.h"
#include "gui/widgets/scrollcontainer.h"
#include "backends/cloud/cloudmanager.h"
#ifdef USE_SDL_NET
#include "backends/networking/sdl_net/localwebserver.h"
#endif
#include "common/translation.h"
namespace GUI {
enum {
kConnectCmd = 'Cnnt',
kCodeBoxCmd = 'CdBx',
kOpenUrlCmd = 'OpUr',
kPasteCodeCmd = 'PsCd',
kStorageWizardContainerReflowCmd = 'SWCr'
};
StorageWizardDialog::StorageWizardDialog(uint32 storageId):
Dialog("GlobalOptions_Cloud_ConnectionWizard"), _storageId(storageId), _close(false) {
#ifdef USE_SDL_NET
_stopServerOnClose = false;
#endif
_backgroundType = GUI::ThemeEngine::kDialogBackgroundPlain;
ScrollContainerWidget *container = new ScrollContainerWidget(this, "GlobalOptions_Cloud_ConnectionWizard.Container", kStorageWizardContainerReflowCmd);
container->setTarget(this);
Common::String headline = Common::String::format(_("%s Storage Connection Wizard"), CloudMan.listStorages()[_storageId].c_str());
_headlineWidget = new StaticTextWidget(container, "GlobalOptions_Cloud_ConnectionWizard_Container.Headline", headline);
_navigateLineWidget = new StaticTextWidget(container, "GlobalOptions_Cloud_ConnectionWizard_Container.NavigateLine", _("Navigate to the following URL:"));
_urlLineWidget = new StaticTextWidget(container, "GlobalOptions_Cloud_ConnectionWizard_Container.URLLine", getUrl());
_returnLine1 = new StaticTextWidget(container, "GlobalOptions_Cloud_ConnectionWizard_Container.ReturnLine1", _("Obtain the code from the storage, enter it"));
_returnLine2 = new StaticTextWidget(container, "GlobalOptions_Cloud_ConnectionWizard_Container.ReturnLine2", _("in the following field and press 'Connect':"));
for (uint32 i = 0; i < CODE_FIELDS; ++i)
_codeWidget[i] = new EditTextWidget(container, "GlobalOptions_Cloud_ConnectionWizard_Container.CodeBox" + Common::String::format("%d", i+1), "", 0, kCodeBoxCmd);
_messageWidget = new StaticTextWidget(container, "GlobalOptions_Cloud_ConnectionWizard_Container.MessageLine", "");
// Buttons
_cancelWidget = new ButtonWidget(container, "GlobalOptions_Cloud_ConnectionWizard_Container.CancelButton", _("Cancel"), 0, kCloseCmd);
_openUrlWidget = new ButtonWidget(container, "GlobalOptions_Cloud_ConnectionWizard_Container.OpenUrlButton", _("Open URL"), 0, kOpenUrlCmd);
_pasteCodeWidget = new ButtonWidget(container, "GlobalOptions_Cloud_ConnectionWizard_Container.PasteCodeButton", _("Paste"), _("Pastes clipboard contents into fields"), kPasteCodeCmd);
_connectWidget = new ButtonWidget(container, "GlobalOptions_Cloud_ConnectionWizard_Container.ConnectButton", _("Connect"), 0, kConnectCmd);
// Initialy the code is empty, so disable the connect button
_connectWidget->setEnabled(false);
if (Cloud::CloudManager::couldUseLocalServer()) {
// hide fields and even the button if local webserver is on
_returnLine1->setLabel(_("You will be directed to ScummVM's page where"));
_returnLine2->setLabel(_("you should allow it to access your storage."));
}
_picture = new GraphicsWidget(container, "GlobalOptions_Cloud_ConnectionWizard_Container.Picture");
#ifndef DISABLE_FANCY_THEMES
if (g_gui.theme()->supportsImages()) {
_picture->useThemeTransparency(true);
switch (_storageId) {
case Cloud::kStorageDropboxId:
_picture->setGfx(g_gui.theme()->getImageSurface(ThemeEngine::kImageDropboxLogo));
break;
case Cloud::kStorageOneDriveId:
_picture->setGfx(g_gui.theme()->getImageSurface(ThemeEngine::kImageOneDriveLogo));
break;
case Cloud::kStorageGoogleDriveId:
_picture->setGfx(g_gui.theme()->getImageSurface(ThemeEngine::kImageGoogleDriveLogo));
break;
case Cloud::kStorageBoxId:
_picture->setGfx(g_gui.theme()->getImageSurface(ThemeEngine::kImageBoxLogo));
break;
}
}
#endif
containerWidgetsReflow();
}
void StorageWizardDialog::open() {
Dialog::open();
if (CloudMan.isWorking()) {
bool doClose = true;
MessageDialog alert(_("Another Storage is active. Do you want to interrupt it?"), _("Yes"), _("No"));
if (alert.runModal() == GUI::kMessageOK) {
if (CloudMan.isDownloading())
CloudMan.cancelDownload();
if (CloudMan.isSyncing())
CloudMan.cancelSync();
// I believe it still would return `true` here, but just in case
if (CloudMan.isWorking()) {
MessageDialog alert2(_("Wait until current Storage finishes up and try again."));
alert2.runModal();
} else {
doClose = false;
}
}
if (doClose) {
close();
return;
}
}
#ifdef USE_SDL_NET
if (Cloud::CloudManager::couldUseLocalServer()) {
_stopServerOnClose = !LocalServer.isRunning();
LocalServer.start(true); // using "minimal mode" (no "/files", "/download", etc available)
LocalServer.indexPageHandler().setTarget(this);
}
#endif
}
void StorageWizardDialog::close() {
#ifdef USE_SDL_NET
if (Cloud::CloudManager::couldUseLocalServer()) {
if (_stopServerOnClose)
LocalServer.stopOnIdle();
LocalServer.indexPageHandler().setTarget(nullptr);
}
#endif
Dialog::close();
}
void StorageWizardDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
switch (cmd) {
case kCodeBoxCmd: {
Common::String code, message;
uint32 correctFields = 0;
for (uint32 i = 0; i < CODE_FIELDS; ++i) {
Common::String subcode = _codeWidget[i]->getEditString();
if (subcode.size() == 0) {
++correctFields;
continue;
}
bool correct = correctChecksum(subcode);
if (correct) {
code += subcode;
code.deleteLastChar();
++correctFields;
} else {
if (i == correctFields) { //first incorrect field
message += Common::String::format("#%d", i + 1);
} else {
message += Common::String::format(", #%d", i + 1);
}
}
}
if (message.size() > 0) {
Common::String messageTemplate;
if (CODE_FIELDS - correctFields == 1)
messageTemplate = _("Field %s has a mistake in it.");
else
messageTemplate = _("Fields %s have mistakes in them.");
message = Common::String::format(messageTemplate.c_str(), message.c_str());
}
bool ok = false;
if (correctFields == CODE_FIELDS && code.size() > 0) {
//the last 3 chars must be an encoded crc16
if (code.size() > 3) {
uint32 size = code.size();
uint32 gotcrc = decodeHashchar(code[size - 3]) | (decodeHashchar(code[size - 2]) << 6) | (decodeHashchar(code[size - 1]) << 12);
code.erase(size - 3);
uint32 crc = crc16(code);
ok = (crc == gotcrc);
}
if (ok)
message = _("All OK!");
else
message = _("Invalid code");
}
_connectWidget->setEnabled(ok);
_messageWidget->setLabel(message);
break;
}
case kOpenUrlCmd: {
if (!g_system->openUrl(getUrl())) {
MessageDialog alert(_("Failed to open URL!\nPlease navigate to this page manually."));
alert.runModal();
}
break;
}
case kPasteCodeCmd: {
if (g_system->hasTextInClipboard()) {
Common::String message = g_system->getTextFromClipboard();
for (uint32 i = 0; i < CODE_FIELDS; ++i) {
if (message.empty()) break;
Common::String subcode = "";
for (uint32 j = 0; j < message.size(); ++j) {
if (message[j] == ' ') {
message.erase(0, j+1);
break;
}
subcode += message[j];
if (j+1 == message.size()) {
message = "";
break;
}
}
_codeWidget[i]->setEditString(subcode);
}
handleCommand(sender, kCodeBoxCmd, data);
g_gui.scheduleTopDialogRedraw();
}
break;
}
case kConnectCmd: {
Common::String code;
for (uint32 i = 0; i < CODE_FIELDS; ++i) {
Common::String subcode = _codeWidget[i]->getEditString();
if (subcode.size() == 0)
continue;
code += subcode;
code.deleteLastChar();
}
if (code.size() > 3) {
code.erase(code.size() - 3);
CloudMan.connectStorage(_storageId, code);
setResult(1);
close();
}
break;
}
#ifdef USE_SDL_NET
case kStorageCodePassedCmd:
CloudMan.connectStorage(_storageId, LocalServer.indexPageHandler().code());
_close = true;
break;
#endif
case kStorageWizardContainerReflowCmd:
containerWidgetsReflow();
break;
default:
Dialog::handleCommand(sender, cmd, data);
}
}
void StorageWizardDialog::handleTickle() {
if (_close) {
setResult(1);
close();
}
Dialog::handleTickle();
}
void StorageWizardDialog::containerWidgetsReflow() {
// contents
if (_headlineWidget) _headlineWidget->setVisible(true);
if (_navigateLineWidget) _navigateLineWidget->setVisible(true);
if (_urlLineWidget) _urlLineWidget->setVisible(true);
if (_returnLine1) _returnLine1->setVisible(true);
if (_returnLine2) _returnLine2->setVisible(true);
bool showFields = (!Cloud::CloudManager::couldUseLocalServer());
for (uint32 i = 0; i < CODE_FIELDS; ++i)
_codeWidget[i]->setVisible(showFields);
_messageWidget->setVisible(showFields);
// left column / first bottom row
if (_picture) {
_picture->setVisible(g_system->getOverlayWidth() > 320);
}
if (_openUrlWidget) {
bool visible = g_system->hasFeature(OSystem::kFeatureOpenUrl);
_openUrlWidget->setVisible(visible);
}
if (_pasteCodeWidget) {
bool visible = showFields && g_system->hasFeature(OSystem::kFeatureClipboardSupport);
_pasteCodeWidget->setVisible(visible);
}
// bottom row
if (_cancelWidget) _cancelWidget->setVisible(true);
if (_connectWidget) {
_connectWidget->setVisible(showFields);
}
}
Common::String StorageWizardDialog::getUrl() const {
Common::String url = "https://www.scummvm.org/c/";
switch (_storageId) {
case Cloud::kStorageDropboxId:
url += "db";
break;
case Cloud::kStorageOneDriveId:
url += "od";
break;
case Cloud::kStorageGoogleDriveId:
url += "gd";
break;
case Cloud::kStorageBoxId:
url += "bx";
break;
}
if (Cloud::CloudManager::couldUseLocalServer())
url += "s";
return url;
}
int StorageWizardDialog::decodeHashchar(char c) {
const char HASHCHARS[65] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ?!";
for (uint32 i = 0; i < 64; ++i)
if (c == HASHCHARS[i])
return i;
return -1;
}
bool StorageWizardDialog::correctChecksum(Common::String s) {
if (s.size() == 0)
return false; //no last char
int providedChecksum = decodeHashchar(s.lastChar());
int calculatedChecksum = 0x2A; //any initial value would do, but it must equal to the one used on the page where these checksums were generated
for (uint32 i = 0; i < s.size()-1; ++i) {
calculatedChecksum = calculatedChecksum ^ s[i];
}
return providedChecksum == (calculatedChecksum % 64);
}
uint32 StorageWizardDialog::crc16(Common::String s) { //"CRC16_CCITT_FALSE"
uint32 crc = 0xFFFF, x;
for (uint32 i = 0; i < s.size(); ++i) {
x = ((crc >> 8) ^ s[i]) & 0xFF;
x ^= x >> 4;
crc = ((crc << 8) ^ (x << 12) ^ (x << 5) ^ x) & 0xFFFF;
}
return crc;
}
} // End of namespace GUI