The Tor Browser: dom/plugins/ipc/hangui/PluginHangUIChild.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set ts=2 et sw=2 tw=80: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef mozilla_plugins_PluginHangUIChild_h

     8 #define mozilla_plugins_PluginHangUIChild_h

    10 #include "MiniShmChild.h"

    12 #include <string>

    14 #include <windows.h>

    16 namespace mozilla {

    17 namespace plugins {

    19 /**

    20  * This class implements the plugin-hang-ui.

    21  *

    22  * NOTE: PluginHangUIChild is *not* an IPDL actor! In this case, "Child"

    23  *       is describing the fact that plugin-hang-ui is a child process to the

    24  *       firefox process, which is the PluginHangUIParent.

    25  *       PluginHangUIParent and PluginHangUIChild are a matched pair.

    26  * @see PluginHangUIParent

    27  */

    28 class PluginHangUIChild : public MiniShmObserver

    29 {

    30 public:

    31   PluginHangUIChild();

    32   virtual ~PluginHangUIChild();

    34   bool

    35   Init(int aArgc, wchar_t* aArgv[]);

    37   /**

    38    * Displays the Plugin Hang UI and does not return until the UI has

    39    * been dismissed.

    40    *

    41    * @return true if the UI was displayed and the user response was

    42    *         successfully sent back to the parent. Otherwise false.

    43    */

    44   bool

    45   Show();

    47   /**

    48    * Causes the calling thread to wait either for the Hang UI to be

    49    * dismissed or for the parent process to terminate. This should

    50    * be called by the main thread.

    51    *

    52    * @return true unless there was an error initiating the wait

    53    */

    54   bool

    55   WaitForDismissal();

    57   virtual void

    58   OnMiniShmEvent(MiniShmBase* aMiniShmObj) MOZ_OVERRIDE;

    60 private:

    61   bool

    62   RecvShow();

    64   bool

    65   RecvCancel();

    67   bool

    68   SetMainThread();

    70   void

    71   ResizeButtons();

    73   INT_PTR

    74   HangUIDlgProc(HWND aDlgHandle, UINT aMsgCode, WPARAM aWParam, LPARAM aLParam);

    76   static VOID CALLBACK

    77   ShowAPC(ULONG_PTR aContext);

    79   static INT_PTR CALLBACK

    80   SHangUIDlgProc(HWND aDlgHandle, UINT aMsgCode, WPARAM aWParam,

    81                  LPARAM aLParam);

    83   static VOID CALLBACK

    84   SOnParentProcessExit(PVOID aObject, BOOLEAN aIsTimer);

    86   static PluginHangUIChild *sSelf;

    88   const wchar_t* mMessageText;

    89   const wchar_t* mWindowTitle;

    90   const wchar_t* mWaitBtnText;

    91   const wchar_t* mKillBtnText;

    92   const wchar_t* mNoFutureText;

    93   unsigned int mResponseBits;

    94   HWND mParentWindow;

    95   HWND mDlgHandle;

    96   HANDLE mMainThread;

    97   HANDLE mParentProcess;

    98   HANDLE mRegWaitProcess;

    99   DWORD mIPCTimeoutMs;

   100   MiniShmChild mMiniShm;

   102   static const int kExpectedMinimumArgc;

   104   typedef HRESULT (WINAPI *SETAPPUSERMODELID)(PCWSTR);

   106   DISALLOW_COPY_AND_ASSIGN(PluginHangUIChild);

   107 };

   109 } // namespace plugins

   110 } // namespace mozilla

   112 #endif // mozilla_plugins_PluginHangUIChild_h

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