xpcom/tests/windows/TestHelloXPLoop.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/xpcom/tests/windows/TestHelloXPLoop.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,144 @@
     1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
     1.5 + *
     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 +#include "nsIServiceManager.h"
    1.11 +#include "nsCOMPtr.h"
    1.12 +#include "nsCNativeApp.h"
    1.13 +#include "nsIEventLoop.h"
    1.14 +#include <windows.h>
    1.15 +
    1.16 +static NS_DEFINE_CID(kNativeAppCID, NS_NATIVE_APP_CID);
    1.17 +
    1.18 +LRESULT CALLBACK WndProc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam);
    1.19 +
    1.20 +void ErrorBox(LPSTR text)
    1.21 +{
    1.22 +	MessageBox(nullptr, text, "XP Event Loop", MB_OK | MB_ICONSTOP);
    1.23 +}
    1.24 +
    1.25 +void InfoBox(LPSTR text)
    1.26 +{
    1.27 +	MessageBox(nullptr, text, "XP Event Loop", MB_OK | MB_ICONINFORMATION);
    1.28 +}
    1.29 +
    1.30 +int WINAPI WinMain(HINSTANCE inst, 
    1.31 +                   HINSTANCE prevInstance, 
    1.32 +                   LPSTR lpszCmdLine,
    1.33 +                   int nShowCmd)
    1.34 +{
    1.35 +	char* lpszAppName = "HelloWorld";
    1.36 +	HWND wnd;
    1.37 +	WNDCLASSEX wndclass;
    1.38 +	int retCode;
    1.39 +
    1.40 +    {	//  Needed to scope all nsCOMPtr within XPCOM Init and Shutdown
    1.41 +      nsresult rv;
    1.42 +      nsCOMPtr<nsIServiceManager> servMan;
    1.43 +      rv = NS_InitXPCOM2(getter_AddRefs(servMan), nullptr, nullptr);
    1.44 +      if(NS_FAILED(rv))
    1.45 +      {
    1.46 +        ErrorBox("Failed to initialize xpcom.");
    1.47 +        return -1;
    1.48 +      }
    1.49 +      
    1.50 +      nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(servMan);
    1.51 +      NS_ASSERTION(registrar, "Null nsIComponentRegistrar");
    1.52 +      registrar->AutoRegister(nullptr);
    1.53 +      
    1.54 +      nsCOMPtr<nsINativeApp> nativeAppService(do_GetService(kNativeAppCID, &rv));
    1.55 +
    1.56 +      if(NS_FAILED(rv))
    1.57 +      {
    1.58 +        ErrorBox("Failed to get nativeAppService");
    1.59 +        return -1;
    1.60 +      }
    1.61 +      wndclass.cbSize        = sizeof(wndclass);
    1.62 +      wndclass.style         = CS_HREDRAW | CS_VREDRAW;
    1.63 +      wndclass.lpfnWndProc   = WndProc;
    1.64 +      wndclass.cbClsExtra    = 0;
    1.65 +      wndclass.cbWndExtra    = 0;
    1.66 +      wndclass.hInstance     = inst;
    1.67 +      wndclass.hIcon         = LoadIcon(nullptr, IDI_APPLICATION);
    1.68 +      wndclass.hCursor       = LoadCursor(nullptr, IDC_ARROW);
    1.69 +      wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
    1.70 +      wndclass.lpszMenuName  = nullptr;
    1.71 +      wndclass.lpszClassName = lpszAppName;
    1.72 +      wndclass.hIconSm       = LoadIcon(nullptr, IDI_APPLICATION);
    1.73 +
    1.74 +      RegisterClassEx(&wndclass) ;
    1.75 +      
    1.76 +      wnd = CreateWindow(lpszAppName, "The Hello World",
    1.77 +                         WS_OVERLAPPEDWINDOW,
    1.78 +                         CW_USEDEFAULT, CW_USEDEFAULT,
    1.79 +                         CW_USEDEFAULT, CW_USEDEFAULT,
    1.80 +                         nullptr, nullptr, inst, nullptr);		     
    1.81 +      
    1.82 +      ShowWindow(wnd, nShowCmd);
    1.83 +      UpdateWindow(wnd);
    1.84 +      
    1.85 +      nsCOMPtr<nsIEventLoop> eventLoop;
    1.86 +      
    1.87 +      if(NS_FAILED(nativeAppService->CreateEventLoop(L"_MainLoop", 
    1.88 +                                                     nsEventLoopTypes::MainAppLoop, getter_AddRefs(eventLoop))))
    1.89 +        {
    1.90 +          ErrorBox("Failed to create event Loop");
    1.91 +          return 0;
    1.92 +        } 
    1.93 +      
    1.94 +      eventLoop->Run(nullptr, nullptr, nullptr, &retCode);
    1.95 +      eventLoop = nullptr; // Clear out before Shutting down XPCOM
    1.96 +      
    1.97 +      InfoBox("Hello World app is out of loop");
    1.98 +    }
    1.99 +	NS_ShutdownXPCOM(nullptr);
   1.100 +	InfoBox("Hello World app is exiting");
   1.101 +	return retCode;
   1.102 +}
   1.103 +
   1.104 +LRESULT CALLBACK WndProc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam)
   1.105 +{
   1.106 +	HDC         hdc;
   1.107 +	PAINTSTRUCT ps;
   1.108 +	RECT        rect;
   1.109 +
   1.110 +	switch(msg)
   1.111 +		{
   1.112 +		case WM_PAINT:
   1.113 +			hdc = BeginPaint(wnd, &ps);
   1.114 +
   1.115 +			GetClientRect(wnd, &rect);
   1.116 +
   1.117 +			DrawText(hdc, "Hello, XP Event Loop!", -1, &rect,
   1.118 +					 DT_SINGLELINE | DT_CENTER | DT_VCENTER);
   1.119 +
   1.120 +			EndPaint(wnd, &ps);
   1.121 +			return 0;
   1.122 +
   1.123 +		case WM_DESTROY:
   1.124 +			{
   1.125 +			nsresult rv;
   1.126 +			nsCOMPtr<nsINativeApp> nativeAppService = 
   1.127 +			         do_GetService(kNativeAppCID, &rv);
   1.128 +			if(NS_FAILED(rv))
   1.129 +				{
   1.130 +				ErrorBox("Could not get NativeAppService");
   1.131 +				return 0;
   1.132 +				}
   1.133 +			nsCOMPtr<nsIEventLoop> eventLoop;
   1.134 +
   1.135 +			if(NS_FAILED(nativeAppService->FindEventLoop(L"_MainLoop", 
   1.136 +				getter_AddRefs(eventLoop))))
   1.137 +				{
   1.138 +				ErrorBox("Failed to find event Loop");
   1.139 +				return 0;
   1.140 +				}
   1.141 +			eventLoop->Exit(0);
   1.142 +			}
   1.143 +			return 0;
   1.144 +		}
   1.145 +
   1.146 +	return DefWindowProc(wnd, msg, wParam, lParam);
   1.147 +}

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