1 files changed, 113 insertions, 0 deletions
diff --git a/dom/plugins/ipc/hangui/PluginHangUIChild.h b/dom/plugins/ipc/hangui/PluginHangUIChild.h
new file mode 100644
index 000000000..000e003ec
--- /dev/null
+++ b/dom/plugins/ipc/hangui/PluginHangUIChild.h
@@ -0,0 +1,113 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_plugins_PluginHangUIChild_h
+#define mozilla_plugins_PluginHangUIChild_h
+
+#include "MiniShmChild.h"
+
+#include <string>
+
+#include <windows.h>
+
+namespace mozilla {
+namespace plugins {
+
+/**
+ * This class implements the plugin-hang-ui.
+ *
+ * NOTE: PluginHangUIChild is *not* an IPDL actor! In this case, "Child" 
+ *       is describing the fact that plugin-hang-ui is a child process to the 
+ *       firefox process, which is the PluginHangUIParent.
+ *       PluginHangUIParent and PluginHangUIChild are a matched pair.
+ * @see PluginHangUIParent
+ */
+class PluginHangUIChild : public MiniShmObserver
+{
+public:
+  PluginHangUIChild();
+  virtual ~PluginHangUIChild();
+
+  bool
+  Init(int aArgc, wchar_t* aArgv[]);
+
+  /**
+   * Displays the Plugin Hang UI and does not return until the UI has 
+   * been dismissed.
+   *
+   * @return true if the UI was displayed and the user response was 
+   *         successfully sent back to the parent. Otherwise false.
+   */
+  bool
+  Show();
+
+  /**
+   * Causes the calling thread to wait either for the Hang UI to be 
+   * dismissed or for the parent process to terminate. This should 
+   * be called by the main thread.
+   *
+   * @return true unless there was an error initiating the wait
+   */
+  bool
+  WaitForDismissal();
+
+  virtual void
+  OnMiniShmEvent(MiniShmBase* aMiniShmObj) override;
+
+private:
+  bool
+  RecvShow();
+
+  bool
+  RecvCancel();
+
+  bool
+  SetMainThread();
+
+  void
+  ResizeButtons();
+
+  INT_PTR
+  HangUIDlgProc(HWND aDlgHandle, UINT aMsgCode, WPARAM aWParam, LPARAM aLParam);
+
+  static VOID CALLBACK
+  ShowAPC(ULONG_PTR aContext);
+
+  static INT_PTR CALLBACK
+  SHangUIDlgProc(HWND aDlgHandle, UINT aMsgCode, WPARAM aWParam,
+                 LPARAM aLParam);
+
+  static VOID CALLBACK
+  SOnParentProcessExit(PVOID aObject, BOOLEAN aIsTimer);
+
+  static PluginHangUIChild *sSelf;
+
+  const wchar_t* mMessageText;
+  const wchar_t* mWindowTitle;
+  const wchar_t* mWaitBtnText;
+  const wchar_t* mKillBtnText;
+  const wchar_t* mNoFutureText;
+  unsigned int mResponseBits;
+  HWND mParentWindow;
+  HWND mDlgHandle;
+  HANDLE mMainThread;
+  HANDLE mParentProcess;
+  HANDLE mRegWaitProcess;
+  DWORD mIPCTimeoutMs;
+  MiniShmChild mMiniShm;
+
+  static const int kExpectedMinimumArgc;
+
+  typedef HRESULT (WINAPI *SETAPPUSERMODELID)(PCWSTR);
+
+  DISALLOW_COPY_AND_ASSIGN(PluginHangUIChild);
+};
+
+} // namespace plugins
+} // namespace mozilla
+
+#endif // mozilla_plugins_PluginHangUIChild_h
+