void ItemPreviewComponent::tryToLoadImage()
{
facts.clear();
facts.add (file.getFullPathName());
image = Image();
ScopedPointer <InputStream> input (file.createInputStream());
if (input != nullptr)
{
const int64 totalSize = input->getTotalLength();
ImageFileFormat* format = ImageFileFormat::findImageFormatForStream (*input);
input = nullptr;
String formatName;
if (format != nullptr)
formatName = " " + format->getFormatName();
image = ImageCache::getFromFile (file);
if (image.isValid())
facts.add (String (image.getWidth()) + " x " + String (image.getHeight()) + formatName);
if (totalSize > 0)
facts.add (File::descriptionOfSizeInBytes (totalSize));
}
facts.removeEmptyStrings (true);
}
void CtrlrFileDownloader::run()
{
ScopedPointer <InputStream> is (fileToDownload.createInputStream (false));
const int totalLength = is->getTotalLength();
int bytesSoFar = 0;
const String packageFile = CtrlrUpdateManager::getMyPackage();
if (outputFile.exists())
{
outputFile.deleteFile();
outputFile.create();
}
while (! (is->isExhausted()))
{
if (threadShouldExit())
{
return;
}
MemoryBlock buffer(8192);
const int num = is->read (buffer.getData(), 8192);
if (num == 0)
break;
bytesSoFar += num;
outputFile.appendData(buffer.getData(), buffer.getSize());
setStatusMessage ("File: " + packageFile + "\nTotal size: " + File::descriptionOfSizeInBytes (totalLength) + " Got size: " + File::descriptionOfSizeInBytes (bytesSoFar));
setProgress (bytesSoFar / (double)totalLength);
}
}
bool OwlNestSettings::downloadFromServer(CommandID commandID) {
String nodeString, optionString, warningString;
PropertySet* props = ApplicationConfiguration::getApplicationProperties();
switch (commandID){
case ApplicationCommands::checkForFirmwareUpdates:
warningString = "Beware that this procedure can make your OWL unresponsive!";
nodeString = "firmwares";
optionString = props->getValue("firmware-dfu-options");
break;
case ApplicationCommands::checkForBootloaderUpdates:
warningString = "Beware that this procedure can brick your OWL!";
nodeString = "bootloaders";
optionString = props->getValue("bootloader-dfu-options");
break;
default:
return false;
}
String xmlFilename ("updates.xml");
URL url(props->getValue("owl-updates-dir-url")+xmlFilename);
ScopedPointer<XmlElement> xmlUpdates;
if(url.isWellFormed())
xmlUpdates = url.readEntireXmlStream(0);
if(xmlUpdates == NULL) {
AlertWindow::showMessageBoxAsync(AlertWindow::WarningIcon, "Connection Error", "Server connection failed");
return false;
}
XmlElement* filesNode = xmlUpdates->getChildByName(nodeString);
StringArray names;
XmlElement* child = filesNode->getFirstChildElement();
while(child != nullptr){
names.add(child->getStringAttribute("name"));
child = child->getNextElement();
}
AlertWindow popup("Download File From Server", "Choose file:", juce::AlertWindow::InfoIcon);
popup.addButton("Cancel", 0, juce::KeyPress(), juce::KeyPress());
popup.addButton("Download", 1, juce::KeyPress(), juce::KeyPress());
popup.addComboBox("box", names);
if(popup.runModalLoop()==0)
return false;
popup.setVisible(false);
String selectedFilename(popup.getComboBoxComponent("box")->getText());
URL fwUrl(props->getValue("owl-updates-dir-url")+selectedFilename);
ScopedPointer<InputStream> strm;
strm = fwUrl.createInputStream(0);
if(strm == NULL){
AlertWindow::showMessageBoxAsync(AlertWindow::WarningIcon, "Connection Error", "File unavailable", "Continue");
return false;
}
File theTargetFile(ApplicationConfiguration::getApplicationDirectory().getChildFile(selectedFilename));
FileChooser chooser("Save As", theTargetFile, "*.bin");
bool succeeded = false;
if(!chooser.browseForFileToSave(true))
return false;
theTargetFile = chooser.getResult();
TemporaryFile temp (theTargetFile);
ScopedPointer<FileOutputStream> out(temp.getFile().createOutputStream());
if(out != nullptr) {
out->writeFromInputStream(*strm, strm->getTotalLength());
out = nullptr; // deletes the stream
succeeded = temp.overwriteTargetFileWithTemporary();
}
if(!succeeded){
AlertWindow::showMessageBoxAsync(AlertWindow::WarningIcon, "File Error", "Failed to save file", "Continue");
return false;
}
if(AlertWindow::showOkCancelBox(AlertWindow::QuestionIcon, "Update Device",
"Would you like to update your OWL with this binary now? "+warningString, "Yes", "No"))
{
DBG("pathName"<< theTargetFile.getFullPathName());
DBG("optionString " << optionString);
return deviceFirmwareUpdate(theTargetFile, optionString);
}
return true;
}