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