Initial commit

gui/downloaddlcsdialog.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/translation.h"
+
+#include "gui/downloaddlcsdialog.h"
+#include "gui/widget.h"
+#include "gui/gui-manager.h"
+#include "gui/widgets/list.h"
+
+#include "backends/dlc/dlcmanager.h"
+#include "backends/dlc/dlcdesc.h"
+
+enum {
+	kCancelSelectedCmd = 'CANS',
+};
+
+namespace GUI {
+
+DownloadDLCsDialog::DownloadDLCsDialog()
+	: Dialog("DLCDownloads") {
+
+	new StaticTextWidget(this, "DLCDownloads.Headline", _("Currently Downloading Games"));
+
+	_currentDownloadLabel = new StaticTextWidget(this, "DLCDownloads.CurrentDownload", Common::U32String());
+	_errorLabel = new StaticTextWidget(this, "DLCDownloads.ErrorText", Common::U32String(DLCMan._errorText));
+
+	_progressBar = new SliderWidget(this, "DLCDownloads.ProgressBar");
+	_progressBar->setMinValue(0);
+	_progressBar->setMaxValue(100);
+	_progressBar->setValue(0);
+	_progressBar->setEnabled(false);
+
+	_percentLabel = new StaticTextWidget(this, "DLCDownloads.PercentText", Common::String());
+	_downloadedSizeLabel = new StaticTextWidget(this, "DLCDownloads.DownloadedSize", Common::U32String());
+
+	new StaticTextWidget(this, "DLCDownloads.Pending", _("Pending Downloads"));
+	_pendingDownloadsList = new ListWidget(this, "DLCDownloads.List");
+	_pendingDownloadsList->setNumberingMode(kListNumberingOff);
+	_pendingDownloadsList->setEditable(false);
+
+	new ButtonWidget(this, "DLCDownloads.Back", _("Back"), Common::U32String(), kCloseCmd);
+	_cancelButton = new ButtonWidget(this, "DLCDownloads.Cancel", _("Cancel"), Common::U32String(), kCancelSelectedCmd);
+
+	refreshWidgets();
+}
+
+Common::U32String DownloadDLCsDialog::getSizeLabelText() {
+	const char *downloadedUnits, *totalUnits;
+	Common::String downloaded = Common::getHumanReadableBytes(DLCMan._currentDownloadedSize, downloadedUnits);
+	Common::String total = Common::getHumanReadableBytes(DLCMan._queuedDownloadTasks.front()->size, totalUnits);
+	return Common::U32String::format(_("Downloaded %s %S / %s %S"), downloaded.c_str(), _(downloadedUnits).c_str(), total.c_str(), _(totalUnits).c_str());
+}
+
+uint32 DownloadDLCsDialog::getDownloadingProgress() {
+	if (DLCMan._queuedDownloadTasks.empty()) {
+		// no DLC is currently downloading
+		return 0;
+	}
+	uint32 progress = (uint32)(100 * ((double)DLCMan._currentDownloadedSize / (double)DLCMan._queuedDownloadTasks.front()->size));
+	return progress;
+}
+
+void DownloadDLCsDialog::refreshWidgets() {
+	Common::U32StringArray pendingList;
+	if (DLCMan._queuedDownloadTasks.empty()) {
+		// no DLC is currently downloading
+		_currentDownloadLabel->setLabel(Common::U32String("No downloads in progress"));
+		_downloadedSizeLabel->setLabel(Common::U32String());
+		_pendingDownloadsList->setList(pendingList);
+	} else {
+		_currentDownloadLabel->setLabel(DLCMan._queuedDownloadTasks.front()->name);
+		_downloadedSizeLabel->setLabel(getSizeLabelText());
+
+		for (const auto &it : DLCMan._dlcsInProgress) {
+			if (it->state == DLC::DLCDesc::kInProgress) {
+				pendingList.push_back(it->name);
+			} else {
+				pendingList.push_back("[Cancelled] " + it->name);
+			}
+		}
+		_pendingDownloadsList->setList(pendingList);
+		if (_progressBar->getValue() >= 100) {
+			// if a game is downloaded i.e. the first item is removed from _dlcsInProgress
+			_selectedIdx--;
+		}
+		_pendingDownloadsList->setSelected(_selectedIdx);
+	}
+
+	uint32 progress = getDownloadingProgress();
+	_percentLabel->setLabel(Common::String::format("%u %%", progress));
+	_progressBar->setValue(progress);
+
+	g_gui.scheduleTopDialogRedraw();
+}
+
+void DownloadDLCsDialog::handleTickle() {
+	int32 progress = getDownloadingProgress();
+
+	if (_progressBar->getValue() != progress) {
+		_selectedIdx = _pendingDownloadsList->getSelected();
+		refreshWidgets();
+	}
+
+	// enable cancel button only when a list item is selected
+	if (_pendingDownloadsList->getSelected() == -1) {
+		if (_cancelButton->isEnabled()) {
+			_cancelButton->setEnabled(false);
+			g_gui.scheduleTopDialogRedraw();
+		}
+	} else {
+		if (!_cancelButton->isEnabled()) {
+			_cancelButton->setEnabled(true);
+			g_gui.scheduleTopDialogRedraw();
+		}
+	}
+
+	if (_errorLabel->getLabel() != DLCMan._errorText) {
+		_errorLabel->setLabel(DLCMan._errorText);
+		g_gui.scheduleTopDialogRedraw();
+	}
+
+	Dialog::handleTickle();
+}
+
+void DownloadDLCsDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
+	switch (cmd) {
+	case kCancelSelectedCmd: {
+		uint32 idx = DLCMan._dlcsInProgress[_pendingDownloadsList->getSelected()]->idx;
+		DLCMan.cancelDownload(idx);
+		}
+		break;
+	default:
+		Dialog::handleCommand(sender, cmd, data);
+	}
+}
+
+} // End of namespace GUI