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Added try-catch blocks to handle runtime exceptions (#14)
Co-authored-by: Roman <r.baeriswyl@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,72 +1,76 @@ | ||
| using System; | ||
| using System.Diagnostics; | ||
| using System.Windows; | ||
| using System.Windows.Threading; | ||
| using FlaUI.Core; | ||
| using FlaUI.Core.AutomationElements; | ||
| using FlaUI.Core.Input; | ||
|
|
||
| namespace FlaUInspect.Core | ||
| { | ||
| public class HoverMode | ||
| { | ||
| private readonly AutomationBase _automation; | ||
| private readonly DispatcherTimer _dispatcherTimer; | ||
| private AutomationElement _currentHoveredElement; | ||
|
|
||
| public event Action<AutomationElement> ElementHovered; | ||
|
|
||
| public HoverMode(AutomationBase automation) | ||
| { | ||
| _automation = automation; | ||
| _dispatcherTimer = new DispatcherTimer(); | ||
| _dispatcherTimer.Tick += DispatcherTimerTick; | ||
| _dispatcherTimer.Interval = TimeSpan.FromMilliseconds(500); | ||
| } | ||
|
|
||
| public void Start() | ||
| { | ||
| _currentHoveredElement = null; | ||
| _dispatcherTimer.Start(); | ||
| } | ||
|
|
||
| public void Stop() | ||
| { | ||
| _currentHoveredElement = null; | ||
| _dispatcherTimer.Stop(); | ||
| } | ||
|
|
||
| private void DispatcherTimerTick(object sender, EventArgs e) | ||
| { | ||
| if (System.Windows.Input.Keyboard.Modifiers.HasFlag(System.Windows.Input.ModifierKeys.Control)) | ||
| { | ||
| var screenPos = Mouse.Position; | ||
| try | ||
| { | ||
| var hoveredElement = _automation.FromPoint(screenPos); | ||
| // Skip items in the current process | ||
| // Like Inspect itself or the overlay window | ||
| if (hoveredElement.Properties.ProcessId == Process.GetCurrentProcess().Id) | ||
| { | ||
| return; | ||
| } | ||
| if (!Equals(_currentHoveredElement, hoveredElement)) | ||
| { | ||
| _currentHoveredElement = hoveredElement; | ||
| ElementHovered?.Invoke(hoveredElement); | ||
| } | ||
| else | ||
| { | ||
| ElementHighlighter.HighlightElement(hoveredElement); | ||
| } | ||
| } | ||
| catch (UnauthorizedAccessException) | ||
| { | ||
| string caption = "FlaUInspect - Unauthorized access exception"; | ||
| string message = "You are accessing a protected UI element in hover mode.\nTry to start FlaUInspect as administrator."; | ||
| MessageBox.Show(message, caption, MessageBoxButton.OK, MessageBoxImage.Warning); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| using System; | ||
| using System.Diagnostics; | ||
| using System.Windows; | ||
| using System.Windows.Threading; | ||
| using FlaUI.Core; | ||
| using FlaUI.Core.AutomationElements; | ||
| using FlaUI.Core.Input; | ||
|
|
||
| namespace FlaUInspect.Core | ||
| { | ||
| public class HoverMode | ||
| { | ||
| private readonly AutomationBase _automation; | ||
| private readonly DispatcherTimer _dispatcherTimer; | ||
| private AutomationElement _currentHoveredElement; | ||
|
|
||
| public event Action<AutomationElement> ElementHovered; | ||
|
|
||
| public HoverMode(AutomationBase automation) | ||
| { | ||
| _automation = automation; | ||
| _dispatcherTimer = new DispatcherTimer(); | ||
| _dispatcherTimer.Tick += DispatcherTimerTick; | ||
| _dispatcherTimer.Interval = TimeSpan.FromMilliseconds(500); | ||
| } | ||
|
|
||
| public void Start() | ||
| { | ||
| _currentHoveredElement = null; | ||
| _dispatcherTimer.Start(); | ||
| } | ||
|
|
||
| public void Stop() | ||
| { | ||
| _currentHoveredElement = null; | ||
| _dispatcherTimer.Stop(); | ||
| } | ||
|
|
||
| private void DispatcherTimerTick(object sender, EventArgs e) | ||
| { | ||
| if (System.Windows.Input.Keyboard.Modifiers.HasFlag(System.Windows.Input.ModifierKeys.Control)) | ||
| { | ||
| var screenPos = Mouse.Position; | ||
| try | ||
| { | ||
| var hoveredElement = _automation.FromPoint(screenPos); | ||
| // Skip items in the current process | ||
| // Like Inspect itself or the overlay window | ||
| if (hoveredElement.Properties.ProcessId == Process.GetCurrentProcess().Id) | ||
| { | ||
| return; | ||
| } | ||
| if (!Equals(_currentHoveredElement, hoveredElement)) | ||
| { | ||
| _currentHoveredElement = hoveredElement; | ||
| ElementHovered?.Invoke(hoveredElement); | ||
| } | ||
| else | ||
| { | ||
| ElementHighlighter.HighlightElement(hoveredElement); | ||
| } | ||
| } | ||
| catch (UnauthorizedAccessException) | ||
| { | ||
| string caption = "FlaUInspect - Unauthorized access exception"; | ||
| string message = "You are accessing a protected UI element in hover mode.\nTry to start FlaUInspect as administrator."; | ||
| MessageBox.Show(message, caption, MessageBoxButton.OK, MessageBoxImage.Warning); | ||
| } | ||
| catch(System.IO.FileNotFoundException ex) | ||
| { | ||
| Console.WriteLine($"Exception: {ex.Message}"); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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