dom/plugins/ipc/hangui/PluginHangUIChild.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/plugins/ipc/hangui/PluginHangUIChild.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,113 @@
     1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim: set ts=2 et sw=2 tw=80: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#ifndef mozilla_plugins_PluginHangUIChild_h
    1.11 +#define mozilla_plugins_PluginHangUIChild_h
    1.12 +
    1.13 +#include "MiniShmChild.h"
    1.14 +
    1.15 +#include <string>
    1.16 +
    1.17 +#include <windows.h>
    1.18 +
    1.19 +namespace mozilla {
    1.20 +namespace plugins {
    1.21 +
    1.22 +/**
    1.23 + * This class implements the plugin-hang-ui.
    1.24 + *
    1.25 + * NOTE: PluginHangUIChild is *not* an IPDL actor! In this case, "Child" 
    1.26 + *       is describing the fact that plugin-hang-ui is a child process to the 
    1.27 + *       firefox process, which is the PluginHangUIParent.
    1.28 + *       PluginHangUIParent and PluginHangUIChild are a matched pair.
    1.29 + * @see PluginHangUIParent
    1.30 + */
    1.31 +class PluginHangUIChild : public MiniShmObserver
    1.32 +{
    1.33 +public:
    1.34 +  PluginHangUIChild();
    1.35 +  virtual ~PluginHangUIChild();
    1.36 +
    1.37 +  bool
    1.38 +  Init(int aArgc, wchar_t* aArgv[]);
    1.39 +
    1.40 +  /**
    1.41 +   * Displays the Plugin Hang UI and does not return until the UI has 
    1.42 +   * been dismissed.
    1.43 +   *
    1.44 +   * @return true if the UI was displayed and the user response was 
    1.45 +   *         successfully sent back to the parent. Otherwise false.
    1.46 +   */
    1.47 +  bool
    1.48 +  Show();
    1.49 +
    1.50 +  /**
    1.51 +   * Causes the calling thread to wait either for the Hang UI to be 
    1.52 +   * dismissed or for the parent process to terminate. This should 
    1.53 +   * be called by the main thread.
    1.54 +   *
    1.55 +   * @return true unless there was an error initiating the wait
    1.56 +   */
    1.57 +  bool
    1.58 +  WaitForDismissal();
    1.59 +
    1.60 +  virtual void
    1.61 +  OnMiniShmEvent(MiniShmBase* aMiniShmObj) MOZ_OVERRIDE;
    1.62 +
    1.63 +private:
    1.64 +  bool
    1.65 +  RecvShow();
    1.66 +
    1.67 +  bool
    1.68 +  RecvCancel();
    1.69 +
    1.70 +  bool
    1.71 +  SetMainThread();
    1.72 +
    1.73 +  void
    1.74 +  ResizeButtons();
    1.75 +
    1.76 +  INT_PTR
    1.77 +  HangUIDlgProc(HWND aDlgHandle, UINT aMsgCode, WPARAM aWParam, LPARAM aLParam);
    1.78 +
    1.79 +  static VOID CALLBACK
    1.80 +  ShowAPC(ULONG_PTR aContext);
    1.81 +
    1.82 +  static INT_PTR CALLBACK
    1.83 +  SHangUIDlgProc(HWND aDlgHandle, UINT aMsgCode, WPARAM aWParam,
    1.84 +                 LPARAM aLParam);
    1.85 +
    1.86 +  static VOID CALLBACK
    1.87 +  SOnParentProcessExit(PVOID aObject, BOOLEAN aIsTimer);
    1.88 +
    1.89 +  static PluginHangUIChild *sSelf;
    1.90 +
    1.91 +  const wchar_t* mMessageText;
    1.92 +  const wchar_t* mWindowTitle;
    1.93 +  const wchar_t* mWaitBtnText;
    1.94 +  const wchar_t* mKillBtnText;
    1.95 +  const wchar_t* mNoFutureText;
    1.96 +  unsigned int mResponseBits;
    1.97 +  HWND mParentWindow;
    1.98 +  HWND mDlgHandle;
    1.99 +  HANDLE mMainThread;
   1.100 +  HANDLE mParentProcess;
   1.101 +  HANDLE mRegWaitProcess;
   1.102 +  DWORD mIPCTimeoutMs;
   1.103 +  MiniShmChild mMiniShm;
   1.104 +
   1.105 +  static const int kExpectedMinimumArgc;
   1.106 +
   1.107 +  typedef HRESULT (WINAPI *SETAPPUSERMODELID)(PCWSTR);
   1.108 +
   1.109 +  DISALLOW_COPY_AND_ASSIGN(PluginHangUIChild);
   1.110 +};
   1.111 +
   1.112 +} // namespace plugins
   1.113 +} // namespace mozilla
   1.114 +
   1.115 +#endif // mozilla_plugins_PluginHangUIChild_h
   1.116 +

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