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Added a test file for testing the XP Event Loop. This is windows only.
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126
xpcom/tests/windows/TestHelloXPLoop.cpp
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126
xpcom/tests/windows/TestHelloXPLoop.cpp
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#include "nsIServiceManager.h"
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#include "nsCOMPtr.h"
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#include "nsCNativeApp.h"
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#include "nsIEventLoop.h"
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#include <windows.h>
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static NS_DEFINE_CID(kNativeAppCID, NS_NATIVE_APP_CID);
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LRESULT CALLBACK WndProc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam);
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void ErrorBox(LPSTR text)
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{
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MessageBox(NULL, text, "XP Event Loop", MB_OK | MB_ICONSTOP);
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}
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void InfoBox(LPSTR text)
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{
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MessageBox(NULL, text, "XP Event Loop", MB_OK | MB_ICONINFORMATION);
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}
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int WINAPI WinMain(HINSTANCE inst, HINSTANCE prevInstance, LPSTR lpszCmdLine,
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int nShowCmd)
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{
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char* lpszAppName = "HelloWorld";
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HWND wnd;
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WNDCLASSEX wndclass;
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nsCOMPtr<nsIServiceManager> servMgr;
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NS_InitXPCOM(getter_AddRefs(servMgr));
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nsComponentManager::AutoRegister(nsIComponentManager::NS_Startup, nsnull);
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nsresult rv;
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NS_WITH_SERVICE(nsINativeApp, nativeAppService, kNativeAppCID, &rv);
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if(NS_FAILED(rv))
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{
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ErrorBox("Failed to get nativeAppService");
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return -1;
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}
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wndclass.cbSize = sizeof(wndclass);
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wndclass.style = CS_HREDRAW | CS_VREDRAW;
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wndclass.lpfnWndProc = WndProc;
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wndclass.cbClsExtra = 0;
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wndclass.cbWndExtra = 0;
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wndclass.hInstance = inst;
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wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
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wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
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wndclass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
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wndclass.lpszMenuName = NULL;
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wndclass.lpszClassName = lpszAppName;
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wndclass.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
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RegisterClassEx(&wndclass) ;
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wnd = CreateWindow(lpszAppName, "The Hello World",
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WS_OVERLAPPEDWINDOW,
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CW_USEDEFAULT, CW_USEDEFAULT,
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CW_USEDEFAULT, CW_USEDEFAULT,
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NULL, NULL, inst, NULL);
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ShowWindow(wnd, nShowCmd);
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UpdateWindow(wnd);
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nsCOMPtr<nsIEventLoop> eventLoop;
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if(NS_FAILED(nativeAppService->CreateEventLoop(L"_MainLoop",
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nsEventLoopTypes::MainAppLoop, getter_AddRefs(eventLoop))))
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{
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ErrorBox("Failed to create event Loop");
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return 0;
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}
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int retCode;
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eventLoop->Run(nsnull, nsnull, nsnull, &retCode);
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InfoBox("Hello World app is out of loop");
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NS_ShutdownXPCOM(servMgr);
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InfoBox("Hello World app is exiting");
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return retCode;
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}
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LRESULT CALLBACK WndProc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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HDC hdc;
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PAINTSTRUCT ps;
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RECT rect;
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switch(msg)
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{
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case WM_PAINT:
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hdc = BeginPaint(wnd, &ps);
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GetClientRect(wnd, &rect);
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DrawText(hdc, "Hello, XP Event Loop!", -1, &rect,
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DT_SINGLELINE | DT_CENTER | DT_VCENTER);
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EndPaint(wnd, &ps);
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return 0;
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case WM_DESTROY:
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{
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nsresult rv;
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NS_WITH_SERVICE(nsINativeApp, nativeAppService, kNativeAppCID, &rv);
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if(NS_FAILED(rv))
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{
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ErrorBox("Could not get NativeAppService");
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return 0;
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}
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nsCOMPtr<nsIEventLoop> eventLoop;
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if(NS_FAILED(nativeAppService->FindEventLoop(L"_MainLoop",
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getter_AddRefs(eventLoop))))
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{
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ErrorBox("Failed to find event Loop");
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return 0;
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}
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eventLoop->Exit(0);
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}
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return 0;
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}
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return DefWindowProc(wnd, msg, wParam, lParam);
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}
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