LCOV - app.info - objdir/dist/include/mozilla/plugins/NPEventUnix.h

LCOV - code coverage report
| Current view: | directory - objdir/dist/include/mozilla/plugins - NPEventUnix.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 16 | 0 | 0.0 %
| Date: | 2012-06-02 | Functions: | 3 | 0 | 0.0 %

           1                 : /* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8 -*- */
           2                 : /* vim: set sw=4 ts=8 et tw=80 ft=cpp : */
           3                 : /* ***** BEGIN LICENSE BLOCK *****
           4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           5                 :  *
           6                 :  * The contents of this file are subject to the Mozilla Public License Version
           7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           8                 :  * the License. You may obtain a copy of the License at
           9                 :  * http://www.mozilla.org/MPL/
          10                 :  *
          11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          13                 :  * for the specific language governing rights and limitations under the
          14                 :  * License.
          15                 :  *
          16                 :  * The Original Code is Mozilla Plugin App.
          17                 :  *
          18                 :  * The Initial Developer of the Original Code is
          19                 :  *   The Mozilla Foundation.
          20                 :  * Portions created by the Initial Developer are Copyright (C) 2009
          21                 :  * the Initial Developer. All Rights Reserved.
          22                 :  *
          23                 :  * Contributor(s):
          24                 :  *   Chris Jones <jones.chris.g@gmail.com>
          25                 :  *
          26                 :  * Alternatively, the contents of this file may be used under the terms of
          27                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
          28                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          30                 :  * of those above. If you wish to allow use of your version of this file only
          31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          32                 :  * use your version of this file under the terms of the MPL, indicate your
          33                 :  * decision by deleting the provisions above and replace them with the notice
          34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          35                 :  * the provisions above, a recipient may use your version of this file under
          36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          37                 :  *
          38                 :  * ***** END LICENSE BLOCK ***** */
          39                 :
          40                 : #ifndef mozilla_dom_plugins_NPEventUnix_h
          41                 : #define mozilla_dom_plugins_NPEventUnix_h 1
          42                 :
          43                 : #include "npapi.h"
          44                 :
          45                 : #ifdef MOZ_X11
          46                 : #include "mozilla/X11Util.h"
          47                 : #endif
          48                 :
          49                 : namespace mozilla {
          50                 :
          51                 : namespace plugins {
          52                 :
          53                 : struct NPRemoteEvent {
          54                 :     NPEvent event;
          55                 : };
          56                 :
          57                 : }
          58                 :
          59                 : }
          60                 :
          61                 :
          62                 : //
          63                 : // XEvent is defined as a union of all more specific X*Events.
          64                 : // Luckily, as of xorg 1.6.0 / X protocol 11 rev 0, the only pointer
          65                 : // field contained in any of these specific X*Event structs is a
          66                 : // |Display*|.  So to simplify serializing these XEvents, we make the
          67                 : //
          68                 : // ********** XXX ASSUMPTION XXX **********
          69                 : //
          70                 : // that the process to which the event is forwarded shares the same
          71                 : // display as the process on which the event originated.
          72                 : //
          73                 : // With this simplification, serialization becomes a simple memcpy to
          74                 : // the output stream.  Deserialization starts as just a memcpy from
          75                 : // the input stream, BUT we then have to write the correct |Display*|
          76                 : // into the right field of each X*Event that contains one.
          77                 : //
          78                 :
          79                 : namespace IPC {
          80                 :
          81                 : template <>
          82                 : struct ParamTraits<mozilla::plugins::NPRemoteEvent>     // synonym for XEvent
          83                 : {
          84                 :     typedef mozilla::plugins::NPRemoteEvent paramType;
          85                 :
          86               0 :     static void Write(Message* aMsg, const paramType& aParam)
          87                 :     {
          88               0 :         aMsg->WriteBytes(&aParam, sizeof(paramType));
          89               0 :     }
          90                 :
          91               0 :     static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
          92                 :     {
          93               0 :         const char* bytes = 0;
          94                 :
          95               0 :         if (!aMsg->ReadBytes(aIter, &bytes, sizeof(paramType))) {
          96               0 :             return false;
          97                 :         }
          98                 :
          99               0 :         memcpy(aResult, bytes, sizeof(paramType));
         100                 :
         101                 : #ifdef MOZ_X11
         102               0 :         SetXDisplay(aResult->event);
         103                 : #endif
         104               0 :         return true;
         105                 :     }
         106                 :
         107                 :     static void Log(const paramType& aParam, std::wstring* aLog)
         108                 :     {
         109                 :         // TODO
         110                 :         aLog->append(L"(XEvent)");
         111                 :     }
         112                 :
         113                 : #ifdef MOZ_X11
         114                 : private:
         115               0 :     static void SetXDisplay(XEvent& ev)
         116                 :     {
         117               0 :         Display* display = mozilla::DefaultXDisplay();
         118               0 :         if (ev.type >= KeyPress) {
         119               0 :             ev.xany.display = display;
         120                 :         }
         121                 :         else {
         122                 :             // XXX assuming that this is an error event
         123                 :             // (type == 0? not clear from Xlib.h)
         124               0 :             ev.xerror.display = display;
         125                 :         }
         126               0 :     }
         127                 : #endif
         128                 : };
         129                 :
         130                 : } // namespace IPC
         131                 :
         132                 :
         133                 : #endif // ifndef mozilla_dom_plugins_NPEventX11_h

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