| public Navigate ( Gecko.GeckoWebBrowser browser, string url ) : void | ||
| browser | Gecko.GeckoWebBrowser | |
| url | string | |
| return | void | |
public void Isolation_AfterLongDelay_GivesUpAndMovesOn()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
var browser2 = new BrowserStub();
string target2 = "http://some other web address";
isolator.Navigate(browser2, target2);
var browser3 = new BrowserStub();
string target3 = "http://yet another web address";
isolator.Navigate(browser3, target3);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
var start = DateTime.Now;
while (DateTime.Now - start < new TimeSpan(0, 0, 0, 2, 300))
Application.DoEvents(); // allow timer to tick.
Assert.That(() => browser2.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded eventually");
browser2.NormalTermination(); // the second request.
Assert.That(() => browser3.NavigateTarget, Is.EqualTo(target3), "Third navigation should have proceeded when second finished");
browser3.NormalTermination(); // hopefully from the third.
Assert.That(browser3.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void IdleNavigation_NavigationInProgress_ReturnsFalse_NeverProceeds()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
Assert.That(isolator.NavigateIfIdle(browser, target2), Is.False);
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed after navigation completes");
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "failed idle navigation should not happen");
}
private bool OpenTempFileInBrowser(GeckoWebBrowser browser, string filePath)
{
var order = (ThumbnailOrder)browser.Tag;
bool navigationHappened = true;
if (_syncControl.InvokeRequired)
{
using (var waitHandle = new AutoResetEvent(false))
{
order.WaitHandle = waitHandle;
_syncControl.BeginInvoke(new Action <string>(path =>
{
if (!_isolator.NavigateIfIdle(browser, path))
{
navigationHappened = false; // some browser is busy, try again later.
}
}), filePath);
waitHandle.WaitOne(10000);
}
if (_disposed || !navigationHappened || order.Canceled)
{
return(false);
}
if (!order.Done)
{
Logger.WriteEvent("HtmlThumbNailer ({1}): Timed out on ({0})", order.ThumbNailFilePath,
Thread.CurrentThread.ManagedThreadId);
#if DEBUG
if (!_thumbnailTimeoutAlreadyDisplayed)
{
_thumbnailTimeoutAlreadyDisplayed = true;
_syncControl.Invoke((Action)(() => Debug.Fail("(debug only) Make thumbnail timed out (won't show again)")));
}
#endif
return(false);
}
}
else
{
_isolator.Navigate(browser, filePath); // main thread, not async, we really need it now.
while (!order.Done)
{
Application.DoEvents();
Application.RaiseIdle(new EventArgs()); // needed on Linux to avoid deadlock starving browser navigation
}
}
return(true);
}
public void NoLongerBusy_EvenWithoutEvent_IsNoticed()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
browser.IsBusy = false; // finished but did not raise event.
var start = DateTime.Now;
while (DateTime.Now - start < new TimeSpan(0, 0,0, 0, 150))
Application.DoEvents(); // allow timer to tick.
Assert.That(() => browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded soon after first no longer busy");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void RegularNavigation_DelayedProperlyByIdleNavigation()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
Assert.That(isolator.NavigateIfIdle(browser, target), Is.True);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
browser.NormalTermination();
Assert.That(browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded when first completed");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void TwoPendingNavigations_WithNavigatedEvents_AreHandledCorrectly()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
var browser2 = new BrowserStub();
string target2 = "http://some other web address";
isolator.Navigate(browser2, target2);
var browser3 = new BrowserStub();
string target3 = "http://yet another other web address";
isolator.Navigate(browser3, target3);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second and third navigation should not have proceeded at once");
browser.NormalTermination();
Assert.That(browser2.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded when first completed (but third should not)");
browser2.NormalTermination();
Assert.That(browser3.NavigateTarget, Is.EqualTo(target3), "Third navigation should have proceeded when second completed");
browser3.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SpuriousNavigatedEvents_AreIgnored()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
browser.RaiseNavigated(this, new EventArgs()); // got the event notification, but still busy.
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded even on Navigated while browser still busy");
browser.NormalTermination();
Assert.That(browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded when first completed (and browser no longer busy)");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SingleTask_AfterLongDelay_AllowsIdleNavigation()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
var start = DateTime.Now;
var success = false;
while (!success && DateTime.Now - start < new TimeSpan(0, 0, 0, 2, 300))
{
success = isolator.NavigateIfIdle(browser, target2);
Application.DoEvents(); // allow timer to tick.
}
Assert.That(() => browser.NavigateTarget, Is.EqualTo(target2), "Idle navigation should have proceeded eventually");
Assert.That(success, "NavigateIfIdle should eventually succeed");
browser.NormalTermination(); // possibly the long-delayed notification of the first nav, but more likely the idle navigation.
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SimpleNavigation_JustHappens()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed after navigation completes");
}
public void SecondRequest_WhenFirstNoLongerBusy_ProceedsAtOnce()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
browser.IsBusy = false; // clear state without raising event
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded since browser is already not busy");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SecondNavigation_OnSameBrowser_HappensWhenFirstRaisesNavigated()
{
var browser = new BrowserStub();
string target = "http://any old web address";
var isolator = new NavigationIsolator();
isolator.Navigate(browser, target);
Assert.That(browser.NavigateTarget, Is.EqualTo(target));
string target2 = "http://some other web address";
isolator.Navigate(browser, target2);
Assert.That(browser.NavigateTarget, Is.EqualTo(target), "Second navigation should not have proceeded at once");
browser.NormalTermination();
Assert.That(browser.NavigateTarget, Is.EqualTo(target2), "Second navigation should have proceeded when first completed");
browser.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
public void SameBrowser_ReplacesPending()
{
var isolator = new NavigationIsolator();
var browser = new BrowserStub();
string target = "http://whatever";
isolator.Navigate(browser, target);
var browser2 = new BrowserStub();
string target2A = "http://first";
isolator.Navigate(browser2, target2A);
string target2B = "http://second";
isolator.Navigate(browser2, target2B);
// Signal the first browser to finish.
browser.NormalTermination();
Assert.That(() => browser2.NavigateTarget, Is.EqualTo(target2B), "Second navigation should have proceeded with its second choice");
// Signal the second browser to finish.
browser2.NormalTermination();
Assert.That(browser.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
Assert.That(browser2.EventHandlerCount, Is.EqualTo(0), "event handlers should be removed once last navigation completed");
}
