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WebBrowser.cpp
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1 /* Project nGenEx
2  Destroyer Studios LLC
3  Copyright © 1997-2006. All Rights Reserved.
4 
5  SUBSYSTEM: nGenEx.lib
6  FILE: WebBrowser.cpp
7  AUTHOR: John DiCamillo
8 
9 
10  OVERVIEW
11  ========
12  Helper class to find and launch user's default web browser
13 */
14 
15 #include "MemDebug.h"
16 #include "WebBrowser.h"
17 
18 // +--------------------------------------------------------------------+
19 
20 WebBrowser::WebBrowser()
21 {
22  FindDefaultBrowser();
23  FindOpenCommand();
24 }
25 
26 WebBrowser::~WebBrowser()
27 {
28 }
29 
30 // +--------------------------------------------------------------------+
31 
32 
33 void
34 WebBrowser::OpenURL(const char* url)
35 {
36  if (url) {
37  char cmdline[256];
38 
39  if (command.contains("%1")) {
40  strcpy_s(cmdline, command.replace("%1", url).data());
41  }
42  else {
43  strcpy_s(cmdline, Text(command + " " + url).data());
44  }
45 
46  STARTUPINFO s;
47  ZeroMemory(&s, sizeof(s));
48  s.cb = sizeof(s);
49 
50  PROCESS_INFORMATION pi;
51  ZeroMemory(&pi, sizeof(pi));
52 
53  if (CreateProcess(NULL, cmdline, 0, 0, 0, 0, 0, 0, &s, &pi)) {
54  CloseHandle(pi.hProcess);
55  CloseHandle(pi.hThread);
56  }
57  else {
58  ::Print("Unable to launch web browser for url '%s'\n", url);
59  }
60  }
61 }
62 
63 // +--------------------------------------------------------------------+
64 
65 void
66 WebBrowser::FindDefaultBrowser()
67 {
68  HKEY hkey;
69  char value[256] = "";
70  DWORD dwSize;
71 
72  ZeroMemory(value, 256);
73 
74  if (RegOpenKeyEx(HKEY_CLASSES_ROOT,
75  ".html",
76  0,
77  KEY_READ,
78  &hkey) == ERROR_SUCCESS) {
79 
80  dwSize = 256;
81  RegQueryValueEx(hkey,
82  "",
83  NULL,
84  NULL,
85  (LPBYTE) value,
86  &dwSize);
87 
88  RegCloseKey(hkey);
89 
90  if (dwSize > 0) {
91  ::Print("Default Web Browser: %s\n", value);
92  browser = value;
93  }
94  }
95 }
96 
97 // +--------------------------------------------------------------------+
98 
99 void
100 WebBrowser::FindOpenCommand()
101 {
102  HKEY hkey;
103  char value[256] = "";
104  DWORD dwSize;
105 
106  ZeroMemory(value, 256);
107 
108  if (RegOpenKeyEx(HKEY_CLASSES_ROOT,
109  browser + "\\shell\\open\\command",
110  0,
111  KEY_READ,
112  &hkey) == ERROR_SUCCESS) {
113 
114  dwSize = 256;
115  RegQueryValueEx(hkey,
116  "",
117  NULL,
118  NULL,
119  (LPBYTE) value,
120  &dwSize);
121 
122  RegCloseKey(hkey);
123 
124  if (dwSize > 0) {
125  ::Print("Browser Shell Open Command: %s\n", value);
126  command = value;
127  }
128  }
129 }
130 
131 // +--------------------------------------------------------------------+
132 
133