/// <summary>
/// Synthesize a key event to the window. The event types supported are:
/// keydown, keyup, keypress
///
/// Key events generally end up being sent to the focused node.
///
/// Cannot be accessed from unprivileged context (not content-accessible)
/// Will throw a DOM security error if called without UniversalXPConnect
/// privileges.
///
/// @param aType event type
/// @param aKeyCode key code
/// @param aCharCode character code
/// @param aModifiers modifiers pressed, using constants defined in nsIDOMNSEvent
/// @param aPreventDefault if true, preventDefault() the event before dispatch
///
/// @return false if the event had preventDefault() called on it,
/// true otherwise. In other words, true if and only if the
/// default action was taken.
/// </summary>
///
public bool SendKeyEvent(string aType, int aKeyCode, int aCharCode, int aModifiers, bool aPreventDefault)
{
using (nsAString type = new nsAString(aType))
{
return(_windowUtils.SendKeyEvent(type, aKeyCode, aCharCode, aModifiers, aPreventDefault));
}
}
public void DomContentChanged_ChangeContentOfTextInputWithKeyPressAndMoveToSecondInput_DomContentChangedShouldFire()
{
string html = "<input id=\"one\" type=\"text\" value=\"hello\" /><input id=\"two\" type=\"text\" value=\"world\" />";
LoadHtml(html);
// Place browser on a form and show it. This is need to make the gecko accept the key press.
Form f = new Form();
f.Controls.Add(browser);
browser.Visible = true;
f.Show();
// Focus first input box
browser.Document.GetElementById("one").Focus();
GeckoRange range = browser.Document.CreateRange();
range.SelectNode(browser.Document.GetElementById("one"));
browser.Window.Selection.AddRange(range);
// record if DomContentChanged event happened.
bool contentChangedEventReceived = false;
browser.DomContentChanged += (sender, e) => contentChangedEventReceived = true;
// Modify first input by sending a keypress.
// TODO: create wrapper for nsIDOMWindowUtils
nsIDOMWindowUtils utils = Xpcom.QueryInterface <nsIDOMWindowUtils>(browser.Window.DomWindow);
using (nsAString type = new nsAString("keypress"))
{
utils.SendKeyEvent(type, 0, 102, 0, false);
}
// DomContentChanged Event should fire when we move we move to next element.
browser.Document.GetElementById("two").Focus();
range.SelectNode(browser.Document.GetElementById("two"));
browser.Window.Selection.RemoveAllRanges();
browser.Window.Selection.AddRange(range);
Assert.IsTrue(contentChangedEventReceived);
}