private async Task ScreenshotPageAsDeviceAsync(
Screenshotter ss,
Uri url,
DeviceScreenshots result,
KeyValuePair <Device, int> size)
{
var device = size.Key;
var width = size.Value;
var baseName = Utils.SanitizeFilename(url.ToString());
var filename = $"{baseName}.{device}{Screenshotter.ImageExtension}";
var imgPath = Path.Combine(_screenshotDir, filename);
NavigationTiming TakeScreenshot() =>
ss.TakeScreenshot(url.ToString(), imgPath, width);
try
{
result.RequestTiming = await Task.Run(TakeScreenshot);
result.Paths.Add(device, filename);
}
catch (Exception ex)
{
result.Error += ex.Message + Environment.NewLine;
}
}
public async Task TakeScreenshotsAsync(CancellationToken?token = null, IProgress <TaskProgress> progress = null)
{
CreateEmptyDir();
var results = new ScreenshotResults(_creationTimestamp);
using (var ss = new Screenshotter(_project))
{
int i = 0;
foreach (var uri in PageUris)
{
if (token?.IsCancellationRequested == true)
{
throw new TaskCanceledException("The screenshotting task was canceled.");
}
var currentProgress = new TaskProgress(++i, PageUris.Count, uri.AbsoluteUri);
progress?.Report(currentProgress);
var result = new DeviceScreenshots(uri);
await ScreenshotPageAsAllDevices(ss, uri, result);
results.Screenshots.Add(result);
}
}
string sessionLabel = Path.GetFileName(_screenshotDir);
Store.SaveScreenshotManifest(sessionLabel, results);
var completedProgress = new TaskProgress(PageUris.Count, PageUris.Count, "Completed");
progress?.Report(completedProgress);
}
private async Task ScreenshotPageAsAllDevices(
Screenshotter ss,
Uri url,
DeviceScreenshots result)
{
var sizes = Options.DeviceOptions
.Where(x => x.Value.Enabled && x.Value.DisplayWidthInPixels > 0)
.Select(x =>
new KeyValuePair <Device, int>(
x.Key,
x.Value.DisplayWidthInPixels));
foreach (var size in sizes)
{
await ScreenshotPageAsDeviceAsync(ss, url, result, size);
}
}