2009-09-19 01:19:11 +00:00
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/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8 -*- */
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/* vim: set sw=4 ts=8 et tw=80 ft=cpp : */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Plugin App.
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*
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* The Initial Developer of the Original Code is
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* The Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef mozilla_dom_plugins_NPEventWindows_h
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#define mozilla_dom_plugins_NPEventWindows_h 1
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#include "npapi.h"
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2009-10-27 19:58:33 +00:00
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namespace mozilla {
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2009-09-19 01:19:11 +00:00
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2009-10-27 19:58:33 +00:00
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namespace plugins {
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// We use an NPRemoteEvent struct so that we can store the extra data on
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// the stack so that we don't need to worry about managing the memory.
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struct NPRemoteEvent
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{
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NPEvent event;
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union {
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2009-12-15 00:27:25 +00:00
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RECT rect;
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2009-10-27 19:58:33 +00:00
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WINDOWPOS windowpos;
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} lParamData;
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};
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}
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}
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2009-09-19 19:24:24 +00:00
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namespace IPC {
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2009-09-19 01:19:11 +00:00
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template <>
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2009-10-27 19:58:33 +00:00
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struct ParamTraits<mozilla::plugins::NPRemoteEvent>
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2009-09-19 01:19:11 +00:00
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{
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2009-10-27 19:58:33 +00:00
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typedef mozilla::plugins::NPRemoteEvent paramType;
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2009-09-19 01:19:11 +00:00
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static void Write(Message* aMsg, const paramType& aParam)
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{
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2009-10-27 19:58:33 +00:00
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// Make a non-const copy of aParam so that we can muck with
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// its insides for tranport
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paramType paramCopy;
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paramCopy.event = aParam.event;
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// We can't blindly ipc events because they may sometimes contain
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// pointers to memory in the sending process. For example, the
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// WM_IME_CONTROL with the IMC_GETCOMPOSITIONFONT message has lParam
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// set to a pointer to a LOGFONT structure.
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switch (paramCopy.event.event) {
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case WM_WINDOWPOSCHANGED:
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2010-07-07 13:33:52 +00:00
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// The lParam parameter of WM_WINDOWPOSCHANGED holds a pointer to
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2009-10-27 19:58:33 +00:00
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// a WINDOWPOS structure that contains information about the
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// window's new size and position
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paramCopy.lParamData.windowpos = *(reinterpret_cast<WINDOWPOS*>(paramCopy.event.lParam));
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break;
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case WM_PAINT:
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2010-07-07 13:33:52 +00:00
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// The lParam parameter of WM_PAINT holds a pointer to an RECT
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2009-10-27 19:58:33 +00:00
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// structure specifying the bounding box of the update area.
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2009-12-15 00:27:25 +00:00
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paramCopy.lParamData.rect = *(reinterpret_cast<RECT*>(paramCopy.event.lParam));
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2009-10-27 19:58:33 +00:00
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break;
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// the white list of events that we will ipc to the client
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case WM_CHAR:
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case WM_SYSCHAR:
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case WM_KEYUP:
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case WM_SYSKEYUP:
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case WM_KEYDOWN:
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case WM_SYSKEYDOWN:
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case WM_DEADCHAR:
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case WM_SYSDEADCHAR:
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case WM_CONTEXTMENU:
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case WM_CUT:
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case WM_COPY:
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case WM_PASTE:
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case WM_CLEAR:
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case WM_UNDO:
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2010-01-14 01:46:44 +00:00
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case WM_MOUSELEAVE:
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2009-10-27 19:58:33 +00:00
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case WM_MOUSEMOVE:
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case WM_LBUTTONDOWN:
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case WM_MBUTTONDOWN:
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case WM_RBUTTONDOWN:
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case WM_LBUTTONUP:
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case WM_MBUTTONUP:
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case WM_RBUTTONUP:
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case WM_LBUTTONDBLCLK:
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case WM_MBUTTONDBLCLK:
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case WM_RBUTTONDBLCLK:
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case WM_SETFOCUS:
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case WM_KILLFOCUS:
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break;
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default:
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2009-12-15 00:27:25 +00:00
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// RegisterWindowMessage events should be passed.
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if (paramCopy.event.event >= 0xC000 && paramCopy.event.event <= 0xFFFF)
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break;
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2010-05-26 00:41:02 +00:00
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// FIXME/bug 567465: temporarily work around unhandled
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// events by forwarding a "dummy event". The eventual
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// fix will be to stop trying to send these events
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// entirely.
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paramCopy.event.event = WM_NULL;
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break;
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2009-10-27 19:58:33 +00:00
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}
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aMsg->WriteBytes(¶mCopy, sizeof(paramType));
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2009-09-19 01:19:11 +00:00
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}
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static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
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{
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2009-10-27 19:58:33 +00:00
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const char* bytes = 0;
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if (!aMsg->ReadBytes(aIter, &bytes, sizeof(paramType))) {
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return false;
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}
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memcpy(aResult, bytes, sizeof(paramType));
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if (aResult->event.event == WM_PAINT) {
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2009-12-15 00:27:25 +00:00
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// restore the lParam to point at the RECT
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2009-10-27 19:58:33 +00:00
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aResult->event.lParam = reinterpret_cast<LPARAM>(&aResult->lParamData.rect);
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} else if (aResult->event.event == WM_WINDOWPOSCHANGED) {
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// restore the lParam to point at the WINDOWPOS
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aResult->event.lParam = reinterpret_cast<LPARAM>(&aResult->lParamData.windowpos);
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}
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2009-09-19 01:19:11 +00:00
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return true;
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}
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static void Log(const paramType& aParam, std::wstring* aLog)
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{
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2009-10-27 19:58:33 +00:00
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aLog->append(L"(WINEvent)");
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2009-09-19 01:19:11 +00:00
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}
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2009-10-27 19:58:33 +00:00
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2009-09-19 01:19:11 +00:00
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};
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2009-09-19 19:24:24 +00:00
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} // namespace IPC
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2009-09-19 01:19:11 +00:00
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#endif // ifndef mozilla_dom_plugins_NPEventWindows_h
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