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Unified Diff: experimental/visual_studio_plugin/src/NaClVsx.Package/NaClVsx.Package_IntegrationTestProject/IntegrationTest Library/DialogboxPurger.cs

Issue 10928195: First round of dead file removal (Closed) Base URL: https://github.com/samclegg/nativeclient-sdk.git@master
Patch Set: Created 8 years, 3 months ago
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Index: experimental/visual_studio_plugin/src/NaClVsx.Package/NaClVsx.Package_IntegrationTestProject/IntegrationTest Library/DialogboxPurger.cs
diff --git a/experimental/visual_studio_plugin/src/NaClVsx.Package/NaClVsx.Package_IntegrationTestProject/IntegrationTest Library/DialogboxPurger.cs b/experimental/visual_studio_plugin/src/NaClVsx.Package/NaClVsx.Package_IntegrationTestProject/IntegrationTest Library/DialogboxPurger.cs
deleted file mode 100644
index afcce53ca7bf6e85f56153df1ad53da042ac15e0..0000000000000000000000000000000000000000
--- a/experimental/visual_studio_plugin/src/NaClVsx.Package/NaClVsx.Package_IntegrationTestProject/IntegrationTest Library/DialogboxPurger.cs
+++ /dev/null
@@ -1,359 +0,0 @@
-
-namespace Microsoft.VsSDK.IntegrationTestLibrary
-{
- using System;
- using System.Collections.Generic;
- using System.Text;
- using System.Runtime.InteropServices;
- using System.Threading;
- using Microsoft.VisualStudio.Shell.Interop;
- using Microsoft.VisualStudio.Shell;
-
- /// <summary>
- /// This class is responsible to close dialog boxes that pop up during different VS Calls
- /// </summary>
- internal class DialogBoxPurger : IDisposable
- {
- /// <summary>
- /// The default number of milliseconds to wait for the threads to signal to terminate.
- /// </summary>
- private const int DefaultMillisecondsToWait = 3500;
-
- /// <summary>
- /// Object used for synchronization between thread calls.
- /// </summary>
- internal static volatile object Mutex = new object();
-
- /// <summary>
- /// The IVsUIShell. This cannot be queried on the working thread from the service provider. Must be done in the main thread.!!
- /// </summary>
- private IVsUIShell uiShell;
-
- /// <summary>
- /// The button to "press" on the dialog.
- /// </summary>
- private int buttonAction;
-
- /// <summary>
- /// Thread signales to the calling thread that it is done.
- /// </summary>
- private bool exitThread = false;
-
- /// <summary>
- /// Calling thread signales to this thread to die.
- /// </summary>
- private AutoResetEvent threadDone = new AutoResetEvent(false);
-
- /// <summary>
- /// The queued thread started.
- /// </summary>
- private AutoResetEvent threadStarted = new AutoResetEvent(false);
-
- /// <summary>
- /// The result of the dialogbox closing for all the dialog boxes. That is if there are two of them and one fails this will be false.
- /// </summary>
- private bool dialogBoxCloseResult = false;
-
- /// <summary>
- /// The expected text to see on the dialog box. If set the thread will continue finding the dialog box with this text.
- /// </summary>
- private string expectedDialogBoxText = String.Empty;
-
- /// <summary>
- /// The number of the same dialog boxes to wait for.
- /// This is for scenarios when two dialog boxes with the same text are popping up.
- /// </summary>
- private int numberOfDialogsToWaitFor = 1;
-
- /// <summary>
- /// Has the object been disposed.
- /// </summary>
- private bool isDisposed;
-
- /// <summary>
- /// Overloaded ctor.
- /// </summary>
- /// <param name="buttonAction">The botton to "press" on the dialog box.</param>
- /// <param name="numberOfDialogsToWaitFor">The number of dialog boxes with the same message to wait for. This is the situation when the same action pops up two of the same dialog boxes</param>
- /// <param name="expectedDialogMesssage">The expected dialog box message to check for.</param>
- internal DialogBoxPurger(int buttonAction, int numberOfDialogsToWaitFor, string expectedDialogMesssage)
- {
- this.buttonAction = buttonAction;
- this.numberOfDialogsToWaitFor = numberOfDialogsToWaitFor;
- this.expectedDialogBoxText = expectedDialogMesssage;
- }
-
- /// <summary>
- /// Overloaded ctor.
- /// </summary>
- /// <param name="buttonAction">The botton to "press" on the dialog box.</param>
- /// <param name="numberOfDialogsToWaitFor">The number of dialog boxes with the same message to wait for. This is the situation when the same action pops up two of the same dialog boxes</param>
- internal DialogBoxPurger(int buttonAction, int numberOfDialogsToWaitFor)
- {
- this.buttonAction = buttonAction;
- this.numberOfDialogsToWaitFor = numberOfDialogsToWaitFor;
- }
-
- /// <summary>
- /// Overloaded ctor.
- /// </summary>
- /// <param name="buttonAction">The botton to "press" on the dialog box.</param>
- /// <param name="expectedDialogMesssage">The expected dialog box message to check for.</param>
- internal DialogBoxPurger(int buttonAction, string expectedDialogMesssage)
- {
- this.buttonAction = buttonAction;
- this.expectedDialogBoxText = expectedDialogMesssage;
- }
-
- /// <summary>
- /// Overloaded ctor.
- /// </summary>
- /// <param name="buttonAction">The botton to "press" on the dialog box.</param>
- internal DialogBoxPurger(int buttonAction)
- {
- this.buttonAction = buttonAction;
- }
-
- /// <summary>
- #region IDisposable Members
-
- void IDisposable.Dispose()
- {
- if (this.isDisposed)
- {
- return;
- }
-
- this.WaitForDialogThreadToTerminate();
-
- this.isDisposed = true;
- }
-
- /// <summary>
- /// Spawns a thread that will start listening to dialog boxes.
- /// </summary>
- internal void Start()
- {
- // We ask for the uishell here since we cannot do that on the therad that we will spawn.
- IVsUIShell uiShell = Package.GetGlobalService(typeof(SVsUIShell)) as IVsUIShell;
-
- if (uiShell == null)
- {
- throw new InvalidOperationException("Could not get the uiShell from the serviceProvider");
- }
-
- this.uiShell = uiShell;
-
- System.Threading.Thread thread = new System.Threading.Thread(new ThreadStart(this.HandleDialogBoxes));
- thread.Start();
-
- // We should never deadlock here, hence do not use the lock. Wait to be sure that the thread started.
- this.threadStarted.WaitOne(3500, false);
- }
-
- /// <summary>
- /// Waits for the dialog box close thread to terminate. If the thread does not signal back within millisecondsToWait that it is shutting down,
- /// then it will tell to the thread to do it.
- /// </summary>
- internal bool WaitForDialogThreadToTerminate()
- {
- return this.WaitForDialogThreadToTerminate(DefaultMillisecondsToWait);
- }
-
- /// <summary>
- /// Waits for the dialog box close thread to terminate. If the thread does not signal back within millisecondsToWait that it is shutting down,
- /// then it will tell to the thread to do it.
- /// </summary>
- /// <param name="millisecondsToWait">The number milliseconds to wait for until the dialog purger thread is signaled to terminate. This is just for safe precaution that we do not hang. </param>
- /// <returns>The result of the dialog boxes closing</returns>
- internal bool WaitForDialogThreadToTerminate(int numberOfMillisecondsToWait)
- {
- bool signaled = false;
-
- // We give millisecondsToWait sec to bring up and close the dialog box.
- signaled = this.threadDone.WaitOne(numberOfMillisecondsToWait, false);
-
- // Kill the thread since a timeout occured.
- if (!signaled)
- {
- lock (Mutex)
- {
- // Set the exit thread to true. Next time the thread will kill itselfes if it sees
- this.exitThread = true;
- }
-
- // Wait for the thread to finish. We should never deadlock here.
- this.threadDone.WaitOne();
- }
-
- return this.dialogBoxCloseResult;
- }
-
- /// <summary>
- /// This is the thread method.
- /// </summary>
- private void HandleDialogBoxes()
- {
- // No synchronization numberOfDialogsToWaitFor since it is readonly
- IntPtr[] hwnds = new IntPtr[this.numberOfDialogsToWaitFor];
- bool[] dialogBoxCloseResults = new bool[this.numberOfDialogsToWaitFor];
-
- try
- {
- // Signal that we started
- lock (Mutex)
- {
- this.threadStarted.Set();
- }
-
- // The loop will be exited either if a message is send by the caller thread or if we found the dialog. If a message box text is specified the loop will not exit until the dialog is found.
- bool stayInLoop = true;
- int dialogBoxesToWaitFor = 1;
-
- while (stayInLoop)
- {
- int hwndIndex = dialogBoxesToWaitFor - 1;
-
- // We need to lock since the caller might set context to null.
- lock (Mutex)
- {
- if (this.exitThread)
- {
- break;
- }
-
- // We protect the shell too from reentrency.
- this.uiShell.GetDialogOwnerHwnd(out hwnds[hwndIndex]);
-
- }
-
- if (hwnds[hwndIndex] != IntPtr.Zero)
- {
- StringBuilder windowClassName = new StringBuilder(256);
- NativeMethods.GetClassName(hwnds[hwndIndex], windowClassName, windowClassName.Capacity);
-
- // The #32770 is the class name of a messagebox dialog.
- if (windowClassName.ToString().Contains("#32770"))
- {
- IntPtr unmanagedMemoryLocation = IntPtr.Zero;
- string dialogBoxText = String.Empty;
- try
- {
- unmanagedMemoryLocation = Marshal.AllocHGlobal(10 * 1024);
- NativeMethods.EnumChildWindows(hwnds[hwndIndex], new NativeMethods.CallBack(FindMessageBoxString), unmanagedMemoryLocation);
- dialogBoxText = Marshal.PtrToStringUni(unmanagedMemoryLocation);
- }
- finally
- {
- if (unmanagedMemoryLocation != IntPtr.Zero)
- {
- Marshal.FreeHGlobal(unmanagedMemoryLocation);
- }
- }
-
- lock (Mutex)
- {
-
- // Since this is running on the main thread be sure that we close the dialog.
- bool dialogCloseResult = false;
- if (this.buttonAction != 0)
- {
- dialogCloseResult = NativeMethods.EndDialog(hwnds[hwndIndex], this.buttonAction);
- }
-
- // Check if we have found the right dialog box.
- if (String.IsNullOrEmpty(this.expectedDialogBoxText) || (!String.IsNullOrEmpty(dialogBoxText) && String.Compare(this.expectedDialogBoxText, dialogBoxText.Trim(), StringComparison.OrdinalIgnoreCase) == 0))
- {
- dialogBoxCloseResults[hwndIndex] = dialogCloseResult;
- if (dialogBoxesToWaitFor++ >= this.numberOfDialogsToWaitFor)
- {
- stayInLoop = false;
- }
- }
- }
- }
- }
- }
- }
- finally
- {
- //Let the main thread run a possible close command.
- System.Threading.Thread.Sleep(2000);
-
- foreach (IntPtr hwnd in hwnds)
- {
- // At this point the dialog should be closed, if not attempt to close it.
- if (hwnd != IntPtr.Zero)
- {
- NativeMethods.SendMessage(hwnd, NativeMethods.WM_CLOSE, 0, new IntPtr(0));
- }
- }
-
- lock (Mutex)
- {
- // Be optimistic.
- this.dialogBoxCloseResult = true;
-
- for (int i = 0; i < dialogBoxCloseResults.Length; i++)
- {
- if (!dialogBoxCloseResults[i])
- {
- this.dialogBoxCloseResult = false;
- break;
- }
- }
-
- this.threadDone.Set();
- }
- }
- }
-
- /// <summary>
- /// Finds a messagebox string on a messagebox.
- /// </summary>
- /// <param name="hwnd">The windows handle of the dialog</param>
- /// <param name="unmanagedMemoryLocation">A pointer to the memorylocation the string will be written to</param>
- /// <returns>True if found.</returns>
- private static bool FindMessageBoxString(IntPtr hwnd, IntPtr unmanagedMemoryLocation)
- {
- StringBuilder sb = new StringBuilder(512);
- NativeMethods.GetClassName(hwnd, sb, sb.Capacity);
-
- if (sb.ToString().ToLower().Contains("static"))
- {
- StringBuilder windowText = new StringBuilder(2048);
- NativeMethods.GetWindowText(hwnd, windowText, windowText.Capacity);
-
- if (windowText.Length > 0)
- {
- IntPtr stringAsPtr = IntPtr.Zero;
- try
- {
- stringAsPtr = Marshal.StringToHGlobalAnsi(windowText.ToString());
- char[] stringAsArray = windowText.ToString().ToCharArray();
-
- // Since unicode characters are copied check if we are out of the allocated length.
- // If not add the end terminating zero.
- if ((2 * stringAsArray.Length) + 1 < 2048)
- {
- Marshal.Copy(stringAsArray, 0, unmanagedMemoryLocation, stringAsArray.Length);
- Marshal.WriteInt32(unmanagedMemoryLocation, 2 * stringAsArray.Length, 0);
- }
- }
- finally
- {
- if (stringAsPtr != IntPtr.Zero)
- {
- Marshal.FreeHGlobal(stringAsPtr);
- }
- }
- return false;
- }
- }
-
- return true;
- }
-
- #endregion
- }
-}

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