gecko-dev/toolkit/xre/nsSplashScreenWin.cpp

318 строки
8.5 KiB
C++
Исходник Обычный вид История

/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla code.
*
* The Initial Developer of the Original Code is
* mozilla.org
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsSplashScreen.h"
#include <windows.h>
static ATOM gSplashScreenClass = 0;
class nsSplashScreenWin;
static nsSplashScreenWin *gSplashScreen = NULL;
class nsSplashScreenWin :
public nsSplashScreen
{
public:
nsSplashScreenWin();
virtual void Open();
virtual void Close();
virtual void Update(PRInt32 progress);
protected:
HWND mDialog;
HBITMAP mSplashBitmap, mOldBitmap;
HDC mSplashBitmapDC;
int mWidth, mHeight;
static DWORD WINAPI ThreadProc(LPVOID splashScreen);
static LRESULT CALLBACK DialogProc (HWND hWnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam);
void OnPaint(HDC dc, const PAINTSTRUCT *ps);
PRInt32 mProgress;
};
nsSplashScreen *
nsSplashScreen::GetOrCreate()
{
if (!gSplashScreen)
gSplashScreen = new nsSplashScreenWin();
return gSplashScreen;
}
nsSplashScreen *
nsSplashScreen::Get()
{
return gSplashScreen;
}
nsSplashScreenWin::nsSplashScreenWin()
: mDialog(NULL), mSplashBitmap(NULL), mOldBitmap(NULL),
mSplashBitmapDC(NULL),
mWidth(200), mHeight(100),
mProgress(-1)
{
}
void
nsSplashScreenWin::Open()
{
if (mIsOpen || mDialog)
return;
mIsOpen = PR_TRUE;
if (gSplashScreenClass == 0) {
WNDCLASS wc;
memset(&wc, 0, sizeof(WNDCLASS));
wc.style = CS_NOCLOSE;
wc.lpfnWndProc = (WNDPROC) DialogProc;
wc.hInstance = GetModuleHandle(0);
wc.hIcon = NULL;
wc.hCursor = NULL;
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = NULL;
wc.lpszClassName = TEXT("MozillaSplashScreen");
gSplashScreenClass = RegisterClass(&wc);
}
if (mSplashBitmap == NULL) {
wchar_t path[_MAX_PATH];
if (::GetModuleFileNameW(0, path, _MAX_PATH)) {
wchar_t *slash = wcsrchr(path, '\\');
if (slash != NULL)
slash[1] = 0;
wcscat(path, L"splash.bmp");
#ifdef WINCE
mSplashBitmap = ::SHLoadDIBitmap(path);
#else
#warning splashscreen needs some code to load bitmaps on non-WinCE
mSplashBitmap = nsnull;
#endif
if (mSplashBitmap) {
BITMAP bmo;
if (GetObject(mSplashBitmap, sizeof(BITMAP), &bmo) > 0) {
mWidth = bmo.bmWidth;
mHeight = bmo.bmHeight;
mSplashBitmapDC = CreateCompatibleDC(NULL);
mOldBitmap = (HBITMAP) SelectObject(mSplashBitmapDC, mSplashBitmap);
} else {
DeleteObject(mSplashBitmap);
mSplashBitmap = NULL;
}
}
}
}
DWORD threadID = 0;
CreateThread(0, 0, (LPTHREAD_START_ROUTINE)ThreadProc, this, 0, &threadID);
}
DWORD WINAPI
nsSplashScreenWin::ThreadProc(LPVOID splashScreen)
{
nsSplashScreenWin *sp = (nsSplashScreenWin*) splashScreen;
int screenWidth = GetSystemMetrics(SM_CXSCREEN);
int screenHeight = GetSystemMetrics(SM_CYSCREEN);
LONG horizPad = (screenWidth - sp->mWidth) / 2;
LONG vertPad = (screenHeight - sp->mHeight) / 2;
RECT r = { horizPad,
vertPad,
horizPad + sp->mWidth,
vertPad + sp->mHeight };
DWORD winStyle = (WS_POPUP | WS_BORDER);
DWORD winStyleEx = WS_EX_NOACTIVATE;
if(!::AdjustWindowRectEx(&r, winStyle, FALSE, winStyleEx))
return 0;
HWND dlg = CreateWindowEx(
winStyleEx,
TEXT("MozillaSplashScreen"),
TEXT("Starting up..."),
winStyle,
r.left, r.top,
(r.right - r.left), (r.bottom - r.top),
HWND_DESKTOP,
NULL,
GetModuleHandle(0),
NULL);
sp->mDialog = dlg;
ShowWindow(dlg, SW_SHOW);
SetForegroundWindow(dlg);
MSG msg;
while (::GetMessage(&msg, NULL, 0, 0)) {
DispatchMessage(&msg);
}
// window was destroyed, nothing to do
return 0;
}
void
nsSplashScreenWin::Close()
{
if (mDialog) {
ShowWindow(mDialog, SW_HIDE);
PostMessage(mDialog, WM_QUIT, 0, 0);
mDialog = NULL;
}
if (mSplashBitmap) {
SelectObject(mSplashBitmapDC, mOldBitmap);
DeleteObject(mSplashBitmapDC);
DeleteObject(mSplashBitmap);
mOldBitmap = NULL;
mSplashBitmapDC = NULL;
mSplashBitmap = NULL;
}
mIsOpen = PR_FALSE;
}
void
nsSplashScreenWin::Update(PRInt32 progress)
{
if (progress >= 0)
mProgress = progress > 100 ? 100 : progress;
InvalidateRect(mDialog, NULL, FALSE);
}
void
nsSplashScreenWin::OnPaint(HDC dc, const PAINTSTRUCT *ps)
{
RECT progressBar;
// Paint the splash screen
if (mSplashBitmapDC) {
BitBlt(dc,
0, 0, gSplashScreen->mWidth, gSplashScreen->mHeight,
gSplashScreen->mSplashBitmapDC,
0, 0,
SRCCOPY);
} else {
HBRUSH bkgr = CreateSolidBrush(RGB(200,200,200));
RECT r = { 0, 0, mWidth, mHeight };
FillRect(dc, &r, bkgr);
DeleteObject(bkgr);
}
// Size of progress bar area
if (mSplashBitmapDC &&
gSplashScreen->mWidth == 440 &&
gSplashScreen->mHeight == 180) {
// For now we're tightly tied to a specific splash.bmp design,
// ideally we would determine the region automagically.
progressBar.left = 183;
progressBar.right = 410;
progressBar.top = 148;
progressBar.bottom = 153;
} else {
// The default progress bar will be 2/3 the width of the splash box,
// 9 pixels tall, 10 pixels from the bottom.
progressBar.left = (mWidth / 6);
progressBar.right = mWidth - (mWidth / 6);
progressBar.top = mHeight - 19;
progressBar.bottom = mHeight - 10;
}
if (mProgress != -1) {
HBRUSH fill = CreateSolidBrush(RGB(0x77,0xC7,0x1C));
int maxWidth = progressBar.right - progressBar.left;
progressBar.right = progressBar.left + maxWidth * mProgress / 100;
FillRect(dc, &progressBar, fill);
DeleteObject(fill);
}
}
LRESULT CALLBACK
nsSplashScreenWin::DialogProc (HWND hWnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
switch (uMsg) {
case WM_PAINT: {
PAINTSTRUCT ps;
HDC dc = BeginPaint(hWnd, &ps);
if (gSplashScreen)
gSplashScreen->OnPaint(dc, &ps);
EndPaint(hWnd, &ps);
return TRUE;
}
break;
case WM_DESTROY:
return TRUE;
case WM_QUIT:
DestroyWindow(hWnd);
return TRUE;
default:
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
return FALSE;
}