public async Task Unpack()
{
// Set the status
Status.SetStatus("Unpacking " + new FileInfo(File).Name + "...");
// Create a new temp folder
do
{
UnpackedFolder = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
} while (Directory.Exists(UnpackedFolder));
// Unzip the contents
await Task.Run(() => Compression.UnZIPFile(File, UnpackedFolder));
// Search the contents for embedded documents
Status.SetStatus("Searching for embedded documents...");
string[] unpackedFiles = Directory.EnumerateFiles(UnpackedFolder, "*", SearchOption.AllDirectories).ToArray();
foreach (string unpackedFile in unpackedFiles)
{
string lcExtension = unpackedFile.Substring(unpackedFile.LastIndexOf('.')).ToLower();
if (officeDocExtensions.Contains(lcExtension))
{
// Unpack the child document and add it to the list
OfficeDocument embeddedDoc = new OfficeDocument(unpackedFile);
EmbeddedDocuments.Add(embeddedDoc);
await embeddedDoc.Unpack();
}
}
}
private async void btnOptimize_Click(object sender, EventArgs e)
{
try
{
// Ensure the file exists
txtFile.Text = txtFile.Text.Trim();
if (!File.Exists(txtFile.Text))
{
throw new FileNotFoundException("That file does not exist!", txtFile.Text);
}
// Okay, start by disabling the controls
btnOptimize.Enabled = false;
txtFile.Enabled = false;
// Now unpack the document recursively
workDocument = new OfficeDocument(txtFile.Text);
await workDocument.Unpack();
Status.SetProgress(50);
// Now recursively search for potentially-optimizable components
await Task.Run(() => workDocument.SearchForOptimizationOpportunities());
// Add the controls to the layout
imageWorkUIs = new List <ImageWorkUI>();
SuspendDrawing(pnlContents);
AddImageWorkUIsToLayout(workDocument);
pnlResults.Visible = true;
ResumeDrawing(pnlContents);
_updateResults();
Status.SetStatus("Finished.", 0);
}
catch (Exception ex)
{
btnOptimize.Enabled = true;
txtFile.Enabled = true;
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private List <ImageWorkUI> _getAllImageWorkUIs(OfficeDocument doc, List <ImageWorkUI> results = null)
{
if (results == null)
{
results = new List <ImageWorkUI>();
}
foreach (XmlRelsDoc xmlRelDoc in doc.XmlRelsDocs)
{
foreach (ImageWorkUI iwui in xmlRelDoc.ImageWorkUIs.Values)
{
iwui.Dock = DockStyle.Top;
results.Add(iwui);
}
}
// Recurse into embedded documents
foreach (OfficeDocument embeddedDocument in doc.EmbeddedDocuments)
{
_getAllImageWorkUIs(embeddedDocument, results);
}
return(results);
}
private void AddImageWorkUIsToLayout(OfficeDocument doc)
{
imageWorkUIs = _getAllImageWorkUIs(doc);
imageWorkUIs = imageWorkUIs.OrderBy(x => x.Original.FileSize).ToList();
// Add the results to the UI
int count = 0;
int totalImagesFound = imageWorkUIs.Count;
// Determine how much the progress bar advances for each image
Status.SetProgress(0);
float stepProgress = 100 / (float)totalImagesFound;
float floatProgress = 0;
int intProgress = 0;
foreach (ImageWorkUI iwui in imageWorkUIs)
{
count++;
iwui.Dock = DockStyle.Top;
pnlImageWorkUIs.Controls.Add(iwui);
Status.SetStatus("Adding image optimizers to layout... " + count + " of " + totalImagesFound);
statusStrip1.Invalidate();
statusStrip1.Refresh();
// Hook into their changed events
iwui.OptimizedChanged += Iwui_OptimizedChanged;
// Update progress
floatProgress += stepProgress;
if (intProgress != (int)floatProgress)
{
intProgress = (int)floatProgress;
Status.SetProgress(intProgress);
}
}
}
