michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifdef WIN32_LEAN_AND_MEAN
michael@0: #undef WIN32_LEAN_AND_MEAN
michael@0: #endif
michael@0: 
michael@0: #define NOMINMAX
michael@0: 
michael@0: #include "crashreporter.h"
michael@0: 
michael@0: #include <windows.h>
michael@0: #include <commctrl.h>
michael@0: #include <richedit.h>
michael@0: #include <shellapi.h>
michael@0: #include <shlobj.h>
michael@0: #include <shlwapi.h>
michael@0: #include <math.h>
michael@0: #include <set>
michael@0: #include <algorithm>
michael@0: #include "resource.h"
michael@0: #include "client/windows/sender/crash_report_sender.h"
michael@0: #include "common/windows/string_utils-inl.h"
michael@0: #include "mozilla/NullPtr.h"
michael@0: 
michael@0: #define CRASH_REPORTER_VALUE L"Enabled"
michael@0: #define SUBMIT_REPORT_VALUE  L"SubmitCrashReport"
michael@0: #define SUBMIT_REPORT_OLD    L"SubmitReport"
michael@0: #define INCLUDE_URL_VALUE    L"IncludeURL"
michael@0: #define EMAIL_ME_VALUE       L"EmailMe"
michael@0: #define EMAIL_VALUE          L"Email"
michael@0: #define MAX_EMAIL_LENGTH     1024
michael@0: 
michael@0: #define WM_UPLOADCOMPLETE WM_APP
michael@0: 
michael@0: // Thanks, Windows.h :(
michael@0: #undef min
michael@0: #undef max
michael@0: 
michael@0: using std::string;
michael@0: using std::wstring;
michael@0: using std::map;
michael@0: using std::vector;
michael@0: using std::set;
michael@0: using std::ios;
michael@0: using std::ifstream;
michael@0: using std::ofstream;
michael@0: 
michael@0: using namespace CrashReporter;
michael@0: 
michael@0: typedef struct {
michael@0:   HWND hDlg;
michael@0:   wstring dumpFile;
michael@0:   map<wstring,wstring> queryParameters;
michael@0:   wstring sendURL;
michael@0: 
michael@0:   wstring serverResponse;
michael@0: } SendThreadData;
michael@0: 
michael@0: /*
michael@0:  * Per http://msdn2.microsoft.com/en-us/library/ms645398(VS.85).aspx
michael@0:  * "The DLGTEMPLATEEX structure is not defined in any standard header file.
michael@0:  * The structure definition is provided here to explain the format of an
michael@0:  * extended template for a dialog box.
michael@0: */
michael@0: typedef struct {
michael@0:     WORD dlgVer;
michael@0:     WORD signature;
michael@0:     DWORD helpID;
michael@0:     DWORD exStyle;
michael@0:   // There's more to this struct, but it has weird variable-length
michael@0:   // members, and I only actually need to touch exStyle on an existing
michael@0:   // instance, so I've omitted the rest.
michael@0: } DLGTEMPLATEEX;
michael@0: 
michael@0: static HANDLE               gThreadHandle;
michael@0: static SendThreadData       gSendData = { 0, };
michael@0: static vector<string>       gRestartArgs;
michael@0: static map<wstring,wstring> gQueryParameters;
michael@0: static wstring              gCrashReporterKey(L"Software\\Mozilla\\Crash Reporter");
michael@0: static wstring              gURLParameter;
michael@0: static int                  gCheckboxPadding = 6;
michael@0: static bool                 gRTLlayout = false;
michael@0: 
michael@0: // When vertically resizing the dialog, these items should move down
michael@0: static set<UINT> gAttachedBottom;
michael@0: 
michael@0: // Default set of items for gAttachedBottom
michael@0: static const UINT kDefaultAttachedBottom[] = {
michael@0:   IDC_SUBMITREPORTCHECK,
michael@0:   IDC_VIEWREPORTBUTTON,
michael@0:   IDC_COMMENTTEXT,
michael@0:   IDC_INCLUDEURLCHECK,
michael@0:   IDC_EMAILMECHECK,
michael@0:   IDC_EMAILTEXT,
michael@0:   IDC_PROGRESSTEXT,
michael@0:   IDC_THROBBER,
michael@0:   IDC_CLOSEBUTTON,
michael@0:   IDC_RESTARTBUTTON,
michael@0: };
michael@0: 
michael@0: static wstring UTF8ToWide(const string& utf8, bool *success = 0);
michael@0: static DWORD WINAPI SendThreadProc(LPVOID param);
michael@0: 
michael@0: static wstring Str(const char* key)
michael@0: {
michael@0:   return UTF8ToWide(gStrings[key]);
michael@0: }
michael@0: 
michael@0: /* === win32 helper functions === */
michael@0: 
michael@0: static void DoInitCommonControls()
michael@0: {
michael@0:   INITCOMMONCONTROLSEX ic;
michael@0:   ic.dwSize = sizeof(INITCOMMONCONTROLSEX);
michael@0:   ic.dwICC = ICC_PROGRESS_CLASS;
michael@0:   InitCommonControlsEx(&ic);
michael@0:   // also get the rich edit control
michael@0:   LoadLibrary(L"Msftedit.dll");
michael@0: }
michael@0: 
michael@0: static bool GetBoolValue(HKEY hRegKey, LPCTSTR valueName, DWORD* value)
michael@0: {
michael@0:   DWORD type, dataSize;
michael@0:   dataSize = sizeof(DWORD);
michael@0:   if (RegQueryValueEx(hRegKey, valueName, nullptr,
michael@0:                       &type, (LPBYTE)value, &dataSize) == ERROR_SUCCESS &&
michael@0:       type == REG_DWORD)
michael@0:     return true;
michael@0: 
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: // Removes a value from HKEY_LOCAL_MACHINE and HKEY_CURRENT_USER, if it exists.
michael@0: static void RemoveUnusedValues(const wchar_t* key, LPCTSTR valueName)
michael@0: {
michael@0:   HKEY hRegKey;
michael@0: 
michael@0:   if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, key, 0, KEY_SET_VALUE, &hRegKey) 
michael@0:       == ERROR_SUCCESS) {
michael@0:     RegDeleteValue(hRegKey, valueName);
michael@0:     RegCloseKey(hRegKey);
michael@0:   }
michael@0: 
michael@0:   if (RegOpenKeyEx(HKEY_CURRENT_USER, key, 0, KEY_SET_VALUE, &hRegKey) 
michael@0:       == ERROR_SUCCESS) {
michael@0:     RegDeleteValue(hRegKey, valueName);
michael@0:     RegCloseKey(hRegKey);
michael@0:   }
michael@0: }
michael@0: 
michael@0: static bool CheckBoolKey(const wchar_t* key,
michael@0:                          const wchar_t* valueName,
michael@0:                          bool* enabled)
michael@0: {
michael@0:   /*
michael@0:    * NOTE! This code needs to stay in sync with the preference checking
michael@0:    *       code in in nsExceptionHandler.cpp.
michael@0:    */
michael@0:   *enabled = false;
michael@0:   bool found = false;
michael@0:   HKEY hRegKey;
michael@0:   DWORD val;
michael@0:   // see if our reg key is set globally
michael@0:   if (RegOpenKey(HKEY_LOCAL_MACHINE, key, &hRegKey) == ERROR_SUCCESS) {
michael@0:     if (GetBoolValue(hRegKey, valueName, &val)) {
michael@0:       *enabled = (val == 1);
michael@0:       found = true;
michael@0:     }
michael@0:     RegCloseKey(hRegKey);
michael@0:   } else {
michael@0:     // look for it in user settings
michael@0:     if (RegOpenKey(HKEY_CURRENT_USER, key, &hRegKey) == ERROR_SUCCESS) {
michael@0:       if (GetBoolValue(hRegKey, valueName, &val)) {
michael@0:         *enabled = (val == 1);
michael@0:         found = true;
michael@0:       }
michael@0:       RegCloseKey(hRegKey);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return found;
michael@0: }
michael@0: 
michael@0: static void SetBoolKey(const wchar_t* key, const wchar_t* value, bool enabled)
michael@0: {
michael@0:   /*
michael@0:    * NOTE! This code needs to stay in sync with the preference setting
michael@0:    *       code in in nsExceptionHandler.cpp.
michael@0:    */
michael@0:   HKEY hRegKey;
michael@0: 
michael@0:   // remove the old value from the registry if it exists
michael@0:   RemoveUnusedValues(key, SUBMIT_REPORT_OLD);
michael@0: 
michael@0:   if (RegCreateKey(HKEY_CURRENT_USER, key, &hRegKey) == ERROR_SUCCESS) {
michael@0:     DWORD data = (enabled ? 1 : 0);
michael@0:     RegSetValueEx(hRegKey, value, 0, REG_DWORD, (LPBYTE)&data, sizeof(data));
michael@0:     RegCloseKey(hRegKey);
michael@0:   }
michael@0: }
michael@0: 
michael@0: static bool GetStringValue(HKEY hRegKey, LPCTSTR valueName, wstring& value)
michael@0: {
michael@0:   DWORD type, dataSize;
michael@0:   wchar_t buf[2048];
michael@0:   dataSize = sizeof(buf);
michael@0:   if (RegQueryValueEx(hRegKey, valueName, nullptr,
michael@0:                      &type, (LPBYTE)buf, &dataSize) == ERROR_SUCCESS &&
michael@0:       type == REG_SZ) {
michael@0:     value = buf;
michael@0:     return true;
michael@0:   }
michael@0: 
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: static bool GetStringKey(const wchar_t* key,
michael@0:                          const wchar_t* valueName,
michael@0:                          wstring& value)
michael@0: {
michael@0:   value = L"";
michael@0:   bool found = false;
michael@0:   HKEY hRegKey;
michael@0:   // see if our reg key is set globally
michael@0:   if (RegOpenKey(HKEY_LOCAL_MACHINE, key, &hRegKey) == ERROR_SUCCESS) {
michael@0:     if (GetStringValue(hRegKey, valueName, value)) {
michael@0:       found = true;
michael@0:     }
michael@0:     RegCloseKey(hRegKey);
michael@0:   } else {
michael@0:     // look for it in user settings
michael@0:     if (RegOpenKey(HKEY_CURRENT_USER, key, &hRegKey) == ERROR_SUCCESS) {
michael@0:       if (GetStringValue(hRegKey, valueName, value)) {
michael@0:         found = true;
michael@0:       }
michael@0:       RegCloseKey(hRegKey);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return found;
michael@0: }
michael@0: 
michael@0: static void SetStringKey(const wchar_t* key,
michael@0:                          const wchar_t* valueName,
michael@0:                          const wstring& value)
michael@0: {
michael@0:   HKEY hRegKey;
michael@0:   if (RegCreateKey(HKEY_CURRENT_USER, key, &hRegKey) == ERROR_SUCCESS) {
michael@0:     RegSetValueEx(hRegKey, valueName, 0, REG_SZ,
michael@0:                   (LPBYTE)value.c_str(),
michael@0:                   (value.length() + 1) * sizeof(wchar_t));
michael@0:     RegCloseKey(hRegKey);
michael@0:   }
michael@0: }
michael@0: 
michael@0: static string FormatLastError()
michael@0: {
michael@0:   DWORD err = GetLastError();
michael@0:   LPWSTR s;
michael@0:   string message = "Crash report submission failed: ";
michael@0:   // odds are it's a WinInet error
michael@0:   HANDLE hInetModule = GetModuleHandle(L"WinInet.dll");
michael@0:   if(FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
michael@0:                    FORMAT_MESSAGE_FROM_SYSTEM |
michael@0:                    FORMAT_MESSAGE_FROM_HMODULE,
michael@0:                    hInetModule,
michael@0:                    err,
michael@0:                    0,
michael@0:                    (LPWSTR)&s,
michael@0:                    0,
michael@0:                    nullptr) != 0) {
michael@0:     message += WideToUTF8(s, nullptr);
michael@0:     LocalFree(s);
michael@0:     // strip off any trailing newlines
michael@0:     string::size_type n = message.find_last_not_of("\r\n");
michael@0:     if (n < message.size() - 1) {
michael@0:       message.erase(n+1);
michael@0:     }
michael@0:   }
michael@0:   else {
michael@0:     char buf[64];
michael@0:     sprintf(buf, "Unknown error, error code: 0x%08x", err);
michael@0:     message += buf;
michael@0:   }
michael@0:   return message;
michael@0: }
michael@0: 
michael@0: #define TS_DRAW 2
michael@0: #define BP_CHECKBOX  3
michael@0: 
michael@0: typedef  HANDLE (WINAPI*OpenThemeDataPtr)(HWND hwnd, LPCWSTR pszClassList);
michael@0: typedef  HRESULT (WINAPI*CloseThemeDataPtr)(HANDLE hTheme);
michael@0: typedef  HRESULT (WINAPI*GetThemePartSizePtr)(HANDLE hTheme, HDC hdc, int iPartId,
michael@0:                                               int iStateId, RECT* prc, int ts,
michael@0:                                               SIZE* psz);
michael@0: typedef HRESULT (WINAPI*GetThemeContentRectPtr)(HANDLE hTheme, HDC hdc, int iPartId,
michael@0:                                                 int iStateId, const RECT* pRect,
michael@0:                                                 RECT* pContentRect);
michael@0: 
michael@0: 
michael@0: static void GetThemeSizes(HWND hwnd)
michael@0: {
michael@0:   HMODULE themeDLL = LoadLibrary(L"uxtheme.dll");
michael@0: 
michael@0:   if (!themeDLL)
michael@0:     return;
michael@0: 
michael@0:   OpenThemeDataPtr openTheme = 
michael@0:     (OpenThemeDataPtr)GetProcAddress(themeDLL, "OpenThemeData");
michael@0:   CloseThemeDataPtr closeTheme =
michael@0:     (CloseThemeDataPtr)GetProcAddress(themeDLL, "CloseThemeData");
michael@0:   GetThemePartSizePtr getThemePartSize = 
michael@0:     (GetThemePartSizePtr)GetProcAddress(themeDLL, "GetThemePartSize");
michael@0: 
michael@0:   if (!openTheme || !closeTheme || !getThemePartSize) {
michael@0:     FreeLibrary(themeDLL);
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   HANDLE buttonTheme = openTheme(hwnd, L"Button");
michael@0:   if (!buttonTheme) {
michael@0:     FreeLibrary(themeDLL);
michael@0:     return;
michael@0:   }
michael@0:   HDC hdc = GetDC(hwnd);
michael@0:   SIZE s;
michael@0:   getThemePartSize(buttonTheme, hdc, BP_CHECKBOX, 0, nullptr, TS_DRAW, &s);
michael@0:   gCheckboxPadding = s.cx;
michael@0:   closeTheme(buttonTheme);
michael@0:   FreeLibrary(themeDLL);
michael@0: }
michael@0: 
michael@0: // Gets the position of a window relative to another window's client area
michael@0: static void GetRelativeRect(HWND hwnd, HWND hwndParent, RECT* r)
michael@0: {
michael@0:   GetWindowRect(hwnd, r);
michael@0:   MapWindowPoints(nullptr, hwndParent, (POINT*)r, 2);
michael@0: }
michael@0: 
michael@0: static void SetDlgItemVisible(HWND hwndDlg, UINT item, bool visible)
michael@0: {
michael@0:   HWND hwnd = GetDlgItem(hwndDlg, item);
michael@0: 
michael@0:   ShowWindow(hwnd, visible ? SW_SHOW : SW_HIDE);
michael@0: }
michael@0: 
michael@0: static void SetDlgItemDisabled(HWND hwndDlg, UINT item, bool disabled)
michael@0: {
michael@0:   HWND hwnd = GetDlgItem(hwndDlg, item);
michael@0:   LONG style = GetWindowLong(hwnd, GWL_STYLE);
michael@0:   if (!disabled)
michael@0:     style |= WS_DISABLED;
michael@0:   else
michael@0:     style &= ~WS_DISABLED;
michael@0: 
michael@0:   SetWindowLong(hwnd, GWL_STYLE, style);
michael@0: }
michael@0: 
michael@0: /* === Crash Reporting Dialog === */
michael@0: 
michael@0: static void StretchDialog(HWND hwndDlg, int ydiff)
michael@0: {
michael@0:   RECT r;
michael@0:   GetWindowRect(hwndDlg, &r);
michael@0:   r.bottom += ydiff;
michael@0:   MoveWindow(hwndDlg, r.left, r.top,
michael@0:              r.right - r.left, r.bottom - r.top, TRUE);
michael@0: }
michael@0: 
michael@0: static void ReflowDialog(HWND hwndDlg, int ydiff)
michael@0: {
michael@0:   // Move items attached to the bottom down/up by as much as
michael@0:   // the window resize
michael@0:   for (set<UINT>::const_iterator item = gAttachedBottom.begin();
michael@0:        item != gAttachedBottom.end();
michael@0:        item++) {
michael@0:     RECT r;
michael@0:     HWND hwnd = GetDlgItem(hwndDlg, *item);
michael@0:     GetRelativeRect(hwnd, hwndDlg, &r);
michael@0:     r.top += ydiff;
michael@0:     r.bottom += ydiff;
michael@0:     MoveWindow(hwnd, r.left, r.top,
michael@0:                r.right - r.left, r.bottom - r.top, TRUE);
michael@0:   }
michael@0: }
michael@0: 
michael@0: static DWORD WINAPI SendThreadProc(LPVOID param)
michael@0: {
michael@0:   bool finishedOk;
michael@0:   SendThreadData* td = (SendThreadData*)param;
michael@0: 
michael@0:   if (td->sendURL.empty()) {
michael@0:     finishedOk = false;
michael@0:     LogMessage("No server URL, not sending report");
michael@0:   } else {
michael@0:     google_breakpad::CrashReportSender sender(L"");
michael@0:     finishedOk = (sender.SendCrashReport(td->sendURL,
michael@0:                                          td->queryParameters,
michael@0:                                          td->dumpFile,
michael@0:                                          &td->serverResponse)
michael@0:                   == google_breakpad::RESULT_SUCCEEDED);
michael@0:     if (finishedOk) {
michael@0:       LogMessage("Crash report submitted successfully");
michael@0:     }
michael@0:     else {
michael@0:       // get an error string and print it to the log
michael@0:       //XXX: would be nice to get the HTTP status code here, filed:
michael@0:       // http://code.google.com/p/google-breakpad/issues/detail?id=220
michael@0:       LogMessage(FormatLastError());
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   PostMessage(td->hDlg, WM_UPLOADCOMPLETE, finishedOk ? 1 : 0, 0);
michael@0: 
michael@0:   return 0;
michael@0: }
michael@0: 
michael@0: static void EndCrashReporterDialog(HWND hwndDlg, int code)
michael@0: {
michael@0:   // Save the current values to the registry
michael@0:   wchar_t email[MAX_EMAIL_LENGTH];
michael@0:   GetDlgItemTextW(hwndDlg, IDC_EMAILTEXT, email,
michael@0:                   sizeof(email) / sizeof(email[0]));
michael@0:   SetStringKey(gCrashReporterKey.c_str(), EMAIL_VALUE, email);
michael@0: 
michael@0:   SetBoolKey(gCrashReporterKey.c_str(), INCLUDE_URL_VALUE,
michael@0:              IsDlgButtonChecked(hwndDlg, IDC_INCLUDEURLCHECK) != 0);
michael@0:   SetBoolKey(gCrashReporterKey.c_str(), EMAIL_ME_VALUE,
michael@0:              IsDlgButtonChecked(hwndDlg, IDC_EMAILMECHECK) != 0);
michael@0:   SetBoolKey(gCrashReporterKey.c_str(), SUBMIT_REPORT_VALUE,
michael@0:              IsDlgButtonChecked(hwndDlg, IDC_SUBMITREPORTCHECK) != 0);
michael@0: 
michael@0:   EndDialog(hwndDlg, code);
michael@0: }
michael@0: 
michael@0: static void MaybeResizeProgressText(HWND hwndDlg)
michael@0: {
michael@0:   HWND hwndProgress = GetDlgItem(hwndDlg, IDC_PROGRESSTEXT);
michael@0:   HDC hdc = GetDC(hwndProgress);
michael@0:   HFONT hfont = (HFONT)SendMessage(hwndProgress, WM_GETFONT, 0, 0);
michael@0:   if (hfont)
michael@0:     SelectObject(hdc, hfont);
michael@0:   SIZE size;
michael@0:   RECT rect;
michael@0:   GetRelativeRect(hwndProgress, hwndDlg, &rect);
michael@0: 
michael@0:   wchar_t text[1024];
michael@0:   GetWindowText(hwndProgress, text, 1024);
michael@0: 
michael@0:   if (!GetTextExtentPoint32(hdc, text, wcslen(text), &size))
michael@0:     return;
michael@0: 
michael@0:   if (size.cx < (rect.right - rect.left))
michael@0:     return;
michael@0: 
michael@0:   // Figure out how much we need to resize things vertically
michael@0:   // This is sort of a fudge, but it should be good enough.
michael@0:   int wantedHeight = size.cy *
michael@0:     (int)ceil((float)size.cx / (float)(rect.right - rect.left));
michael@0:   int diff = wantedHeight - (rect.bottom - rect.top);
michael@0:   if (diff <= 0)
michael@0:     return;
michael@0: 
michael@0:   MoveWindow(hwndProgress, rect.left, rect.top,
michael@0:              rect.right - rect.left,
michael@0:              wantedHeight,
michael@0:              TRUE);
michael@0: 
michael@0:   gAttachedBottom.clear();
michael@0:   gAttachedBottom.insert(IDC_CLOSEBUTTON);
michael@0:   gAttachedBottom.insert(IDC_RESTARTBUTTON);
michael@0: 
michael@0:   StretchDialog(hwndDlg, diff);
michael@0: 
michael@0:   for (int i = 0; i < sizeof(kDefaultAttachedBottom) / sizeof(UINT); i++) {
michael@0:     gAttachedBottom.insert(kDefaultAttachedBottom[i]);
michael@0:   }
michael@0: }
michael@0: 
michael@0: static void MaybeSendReport(HWND hwndDlg)
michael@0: {
michael@0:   if (!IsDlgButtonChecked(hwndDlg, IDC_SUBMITREPORTCHECK)) {
michael@0:     EndCrashReporterDialog(hwndDlg, 0);
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   // disable all the form controls
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_SUBMITREPORTCHECK), false);
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_VIEWREPORTBUTTON), false);
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_COMMENTTEXT), false);
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_INCLUDEURLCHECK), false);
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_EMAILMECHECK), false);
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_EMAILTEXT), false);
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_CLOSEBUTTON), false);
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_RESTARTBUTTON), false);
michael@0: 
michael@0:   SetDlgItemText(hwndDlg, IDC_PROGRESSTEXT, Str(ST_REPORTDURINGSUBMIT).c_str());
michael@0:   MaybeResizeProgressText(hwndDlg);
michael@0:   // start throbber
michael@0:   // play entire AVI, and loop
michael@0:   Animate_Play(GetDlgItem(hwndDlg, IDC_THROBBER), 0, -1, -1);
michael@0:   SetDlgItemVisible(hwndDlg, IDC_THROBBER, true);
michael@0:   gThreadHandle = nullptr;
michael@0:   gSendData.hDlg = hwndDlg;
michael@0:   gSendData.queryParameters = gQueryParameters;
michael@0: 
michael@0:   gThreadHandle = CreateThread(nullptr, 0, SendThreadProc, &gSendData, 0,
michael@0:                                nullptr);
michael@0: }
michael@0: 
michael@0: static void RestartApplication()
michael@0: {
michael@0:   wstring cmdLine;
michael@0: 
michael@0:   for (unsigned int i = 0; i < gRestartArgs.size(); i++) {
michael@0:     cmdLine += L"\"" + UTF8ToWide(gRestartArgs[i]) + L"\" ";
michael@0:   }
michael@0: 
michael@0:   STARTUPINFO si;
michael@0:   PROCESS_INFORMATION pi;
michael@0: 
michael@0:   ZeroMemory(&si, sizeof(si));
michael@0:   si.cb = sizeof(si);
michael@0:   si.dwFlags = STARTF_USESHOWWINDOW;
michael@0:   si.wShowWindow = SW_SHOWNORMAL;
michael@0:   ZeroMemory(&pi, sizeof(pi));
michael@0: 
michael@0:   if (CreateProcess(nullptr, (LPWSTR)cmdLine.c_str(), nullptr, nullptr, FALSE,
michael@0:                     0, nullptr, nullptr, &si, &pi)) {
michael@0:     CloseHandle(pi.hProcess);
michael@0:     CloseHandle(pi.hThread);
michael@0:   }
michael@0: }
michael@0: 
michael@0: static void ShowReportInfo(HWND hwndDlg)
michael@0: {
michael@0:   wstring description;
michael@0: 
michael@0:   for (map<wstring,wstring>::const_iterator i = gQueryParameters.begin();
michael@0:        i != gQueryParameters.end();
michael@0:        i++) {
michael@0:     description += i->first;
michael@0:     description += L": ";
michael@0:     description += i->second;
michael@0:     description += L"\n";
michael@0:   }
michael@0: 
michael@0:   description += L"\n";
michael@0:   description += Str(ST_EXTRAREPORTINFO);
michael@0: 
michael@0:   SetDlgItemText(hwndDlg, IDC_VIEWREPORTTEXT, description.c_str());
michael@0: }
michael@0: 
michael@0: static void UpdateURL(HWND hwndDlg)
michael@0: {
michael@0:   if (IsDlgButtonChecked(hwndDlg, IDC_INCLUDEURLCHECK)) {
michael@0:     gQueryParameters[L"URL"] = gURLParameter;
michael@0:   } else {
michael@0:     gQueryParameters.erase(L"URL");
michael@0:   }
michael@0: }
michael@0: 
michael@0: static void UpdateEmail(HWND hwndDlg)
michael@0: {
michael@0:   if (IsDlgButtonChecked(hwndDlg, IDC_EMAILMECHECK)) {
michael@0:     wchar_t email[MAX_EMAIL_LENGTH];
michael@0:     GetDlgItemTextW(hwndDlg, IDC_EMAILTEXT, email,
michael@0:                     sizeof(email) / sizeof(email[0]));
michael@0:     gQueryParameters[L"Email"] = email;
michael@0:     if (IsDlgButtonChecked(hwndDlg, IDC_SUBMITREPORTCHECK))
michael@0:       EnableWindow(GetDlgItem(hwndDlg, IDC_EMAILTEXT), true);
michael@0:   } else {
michael@0:     gQueryParameters.erase(L"Email");
michael@0:     EnableWindow(GetDlgItem(hwndDlg, IDC_EMAILTEXT), false);
michael@0:   }
michael@0: }
michael@0: 
michael@0: static void UpdateComment(HWND hwndDlg)
michael@0: {
michael@0:   wchar_t comment[MAX_COMMENT_LENGTH + 1];
michael@0:   GetDlgItemTextW(hwndDlg, IDC_COMMENTTEXT, comment,
michael@0:                   sizeof(comment) / sizeof(comment[0]));
michael@0:   if (wcslen(comment) > 0)
michael@0:     gQueryParameters[L"Comments"] = comment;
michael@0:   else
michael@0:     gQueryParameters.erase(L"Comments");
michael@0: }
michael@0: 
michael@0: /*
michael@0:  * Dialog procedure for the "view report" dialog.
michael@0:  */
michael@0: static BOOL CALLBACK ViewReportDialogProc(HWND hwndDlg, UINT message,
michael@0:                                           WPARAM wParam, LPARAM lParam)
michael@0: {
michael@0:   switch (message) {
michael@0:   case WM_INITDIALOG: {
michael@0:     SetWindowText(hwndDlg, Str(ST_VIEWREPORTTITLE).c_str());    
michael@0:     SetDlgItemText(hwndDlg, IDOK, Str(ST_OK).c_str());
michael@0:     SendDlgItemMessage(hwndDlg, IDC_VIEWREPORTTEXT,
michael@0:                        EM_SETTARGETDEVICE, (WPARAM)nullptr, 0);
michael@0:     ShowReportInfo(hwndDlg);
michael@0:     SetFocus(GetDlgItem(hwndDlg, IDOK));
michael@0:     return FALSE;
michael@0:   }
michael@0: 
michael@0:   case WM_COMMAND: {
michael@0:     if (HIWORD(wParam) == BN_CLICKED && LOWORD(wParam) == IDOK)
michael@0:       EndDialog(hwndDlg, 0);
michael@0:     return FALSE;
michael@0:   }
michael@0:   }
michael@0:   return FALSE;
michael@0: }
michael@0: 
michael@0: // Return the number of bytes this string will take encoded
michael@0: // in UTF-8
michael@0: static inline int BytesInUTF8(wchar_t* str)
michael@0: {
michael@0:   // Just count size of buffer for UTF-8, minus one
michael@0:   // (we don't need to count the null terminator)
michael@0:   return WideCharToMultiByte(CP_UTF8, 0, str, -1,
michael@0:                              nullptr, 0, nullptr, nullptr) - 1;
michael@0: }
michael@0: 
michael@0: // Calculate the length of the text in this edit control (in bytes,
michael@0: // in the UTF-8 encoding) after replacing the current selection
michael@0: // with |insert|.
michael@0: static int NewTextLength(HWND hwndEdit, wchar_t* insert)
michael@0: {
michael@0:   wchar_t current[MAX_COMMENT_LENGTH + 1];
michael@0: 
michael@0:   GetWindowText(hwndEdit, current, MAX_COMMENT_LENGTH + 1);
michael@0:   DWORD selStart, selEnd;
michael@0:   SendMessage(hwndEdit, EM_GETSEL, (WPARAM)&selStart, (LPARAM)&selEnd);
michael@0: 
michael@0:   int selectionLength = 0;
michael@0:   if (selEnd - selStart > 0) {
michael@0:     wchar_t selection[MAX_COMMENT_LENGTH + 1];
michael@0:     google_breakpad::WindowsStringUtils::safe_wcsncpy(selection,
michael@0:                                                       MAX_COMMENT_LENGTH + 1,
michael@0:                                                       current + selStart,
michael@0:                                                       selEnd - selStart);
michael@0:     selection[selEnd - selStart] = '\0';
michael@0:     selectionLength = BytesInUTF8(selection);
michael@0:   }
michael@0: 
michael@0:   // current string length + replacement text length
michael@0:   // - replaced selection length
michael@0:   return BytesInUTF8(current) + BytesInUTF8(insert) - selectionLength;
michael@0: }
michael@0: 
michael@0: // Window procedure for subclassing edit controls
michael@0: static LRESULT CALLBACK EditSubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam,
michael@0:                                          LPARAM lParam)
michael@0: {
michael@0:   static WNDPROC super = nullptr;
michael@0: 
michael@0:   if (super == nullptr)
michael@0:     super = (WNDPROC)GetWindowLongPtr(hwnd, GWLP_USERDATA);
michael@0: 
michael@0:   switch (uMsg) {
michael@0:   case WM_PAINT: {
michael@0:     HDC hdc;
michael@0:     PAINTSTRUCT ps;
michael@0:     RECT r;
michael@0:     wchar_t windowText[1024];
michael@0: 
michael@0:     GetWindowText(hwnd, windowText, 1024);
michael@0:     // if the control contains text or is focused, draw it normally
michael@0:     if (GetFocus() == hwnd || windowText[0] != '\0')
michael@0:       return CallWindowProc(super, hwnd, uMsg, wParam, lParam);
michael@0:     
michael@0:     GetClientRect(hwnd, &r);
michael@0:     hdc = BeginPaint(hwnd, &ps);
michael@0:     FillRect(hdc, &r, GetSysColorBrush(IsWindowEnabled(hwnd)
michael@0:                                        ? COLOR_WINDOW : COLOR_BTNFACE));
michael@0:     SetTextColor(hdc, GetSysColor(COLOR_GRAYTEXT));
michael@0:     SelectObject(hdc, (HFONT)GetStockObject(DEFAULT_GUI_FONT));
michael@0:     SetBkMode(hdc, TRANSPARENT);
michael@0:     wchar_t* txt = (wchar_t*)GetProp(hwnd, L"PROP_GRAYTEXT");
michael@0:     // Get the actual edit control rect
michael@0:     CallWindowProc(super, hwnd, EM_GETRECT, 0, (LPARAM)&r);
michael@0:     UINT format = DT_EDITCONTROL | DT_NOPREFIX | DT_WORDBREAK | DT_INTERNAL;
michael@0:     if (gRTLlayout)
michael@0:       format |= DT_RIGHT;
michael@0:     if (txt)
michael@0:       DrawText(hdc, txt, wcslen(txt), &r, format);
michael@0:     EndPaint(hwnd, &ps);
michael@0:     return 0;
michael@0:   }
michael@0: 
michael@0:     // We handle WM_CHAR and WM_PASTE to limit the comment box to 500
michael@0:     // bytes in UTF-8.
michael@0:   case WM_CHAR: {
michael@0:     // Leave accelerator keys and non-printing chars (except LF) alone
michael@0:     if (wParam & (1<<24) || wParam & (1<<29) ||
michael@0:         (wParam < ' ' && wParam != '\n'))
michael@0:       break;
michael@0:   
michael@0:     wchar_t ch[2] = { (wchar_t)wParam, 0 };
michael@0:     if (NewTextLength(hwnd, ch) > MAX_COMMENT_LENGTH)
michael@0:       return 0;
michael@0: 
michael@0:     break;
michael@0:   }
michael@0: 
michael@0:   case WM_PASTE: {
michael@0:     if (IsClipboardFormatAvailable(CF_UNICODETEXT) &&
michael@0:         OpenClipboard(hwnd)) {
michael@0:       HGLOBAL hg = GetClipboardData(CF_UNICODETEXT); 
michael@0:       wchar_t* pastedText = (wchar_t*)GlobalLock(hg);
michael@0:       int newSize = 0;
michael@0: 
michael@0:       if (pastedText)
michael@0:         newSize = NewTextLength(hwnd, pastedText);
michael@0: 
michael@0:       GlobalUnlock(hg);
michael@0:       CloseClipboard();
michael@0: 
michael@0:       if (newSize > MAX_COMMENT_LENGTH)
michael@0:         return 0;
michael@0:     }
michael@0:     break;
michael@0:   }
michael@0: 
michael@0:   case WM_SETFOCUS:
michael@0:   case WM_KILLFOCUS: {
michael@0:     RECT r;
michael@0:     GetClientRect(hwnd, &r);
michael@0:     InvalidateRect(hwnd, &r, TRUE);
michael@0:     break;
michael@0:   }
michael@0: 
michael@0:   case WM_DESTROY: {
michael@0:     // cleanup our property
michael@0:     HGLOBAL hData = RemoveProp(hwnd, L"PROP_GRAYTEXT");
michael@0:     if (hData)
michael@0:       GlobalFree(hData);
michael@0:   }
michael@0:   }
michael@0: 
michael@0:   return CallWindowProc(super, hwnd, uMsg, wParam, lParam);
michael@0: }
michael@0: 
michael@0: // Resize a control to fit this text
michael@0: static int ResizeControl(HWND hwndButton, RECT& rect, wstring text,
michael@0:                          bool shiftLeft, int userDefinedPadding)
michael@0: {
michael@0:   HDC hdc = GetDC(hwndButton);
michael@0:   HFONT hfont = (HFONT)SendMessage(hwndButton, WM_GETFONT, 0, 0);
michael@0:   if (hfont)
michael@0:     SelectObject(hdc, hfont);
michael@0:   SIZE size, oldSize;
michael@0:   int sizeDiff = 0;
michael@0: 
michael@0:   wchar_t oldText[1024];
michael@0:   GetWindowText(hwndButton, oldText, 1024);
michael@0: 
michael@0:   if (GetTextExtentPoint32(hdc, text.c_str(), text.length(), &size)
michael@0:       // default text on the button
michael@0:       && GetTextExtentPoint32(hdc, oldText, wcslen(oldText), &oldSize)) {
michael@0:     /*
michael@0:      Expand control widths to accomidate wider text strings. For most
michael@0:      controls (including buttons) the text padding is defined by the
michael@0:      dialog's rc file. Some controls (such as checkboxes) have padding
michael@0:      that extends to the end of the dialog, in which case we ignore the
michael@0:      rc padding and rely on a user defined value passed in through
michael@0:      userDefinedPadding.
michael@0:     */
michael@0:     int textIncrease = size.cx - oldSize.cx;
michael@0:     if (textIncrease < 0)
michael@0:       return 0;
michael@0:     int existingTextPadding;
michael@0:     if (userDefinedPadding == 0) 
michael@0:       existingTextPadding = (rect.right - rect.left) - oldSize.cx;
michael@0:     else 
michael@0:       existingTextPadding = userDefinedPadding;
michael@0:     sizeDiff = textIncrease + existingTextPadding;
michael@0: 
michael@0:     if (shiftLeft) {
michael@0:       // shift left by the amount the button should grow
michael@0:       rect.left -= sizeDiff;
michael@0:     }
michael@0:     else {
michael@0:       // grow right instead
michael@0:       rect.right += sizeDiff;
michael@0:     }
michael@0:     MoveWindow(hwndButton, rect.left, rect.top,
michael@0:                rect.right - rect.left,
michael@0:                rect.bottom - rect.top,
michael@0:                TRUE);
michael@0:   }
michael@0:   return sizeDiff;
michael@0: }
michael@0: 
michael@0: // The window was resized horizontally, so widen some of our
michael@0: // controls to make use of the space
michael@0: static void StretchControlsToFit(HWND hwndDlg)
michael@0: {
michael@0:   int controls[] = {
michael@0:     IDC_DESCRIPTIONTEXT,
michael@0:     IDC_SUBMITREPORTCHECK,
michael@0:     IDC_COMMENTTEXT,
michael@0:     IDC_INCLUDEURLCHECK,
michael@0:     IDC_EMAILMECHECK,
michael@0:     IDC_EMAILTEXT,
michael@0:     IDC_PROGRESSTEXT
michael@0:   };
michael@0: 
michael@0:   RECT dlgRect;
michael@0:   GetClientRect(hwndDlg, &dlgRect);
michael@0: 
michael@0:   for (int i=0; i<sizeof(controls)/sizeof(controls[0]); i++) {
michael@0:     RECT r;
michael@0:     HWND hwndControl = GetDlgItem(hwndDlg, controls[i]);
michael@0:     GetRelativeRect(hwndControl, hwndDlg, &r);
michael@0:     // 6 pixel spacing on the right
michael@0:     if (r.right + 6 != dlgRect.right) {
michael@0:       r.right = dlgRect.right - 6;
michael@0:       MoveWindow(hwndControl, r.left, r.top,
michael@0:                  r.right - r.left,
michael@0:                  r.bottom - r.top,
michael@0:                  TRUE);
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: static void SubmitReportChecked(HWND hwndDlg)
michael@0: {
michael@0:   bool enabled = (IsDlgButtonChecked(hwndDlg, IDC_SUBMITREPORTCHECK) != 0);
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_VIEWREPORTBUTTON), enabled);
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_COMMENTTEXT), enabled);
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_INCLUDEURLCHECK), enabled);
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_EMAILMECHECK), enabled);
michael@0:   EnableWindow(GetDlgItem(hwndDlg, IDC_EMAILTEXT),
michael@0:                enabled && (IsDlgButtonChecked(hwndDlg, IDC_EMAILMECHECK)
michael@0:                            != 0));
michael@0:   SetDlgItemVisible(hwndDlg, IDC_PROGRESSTEXT, enabled);
michael@0: }
michael@0: 
michael@0: static INT_PTR DialogBoxParamMaybeRTL(UINT idd, HWND hwndParent,
michael@0:                                       DLGPROC dlgProc, LPARAM param)
michael@0: {
michael@0:   INT_PTR rv = 0;
michael@0:   if (gRTLlayout) {
michael@0:     // We need to toggle the WS_EX_LAYOUTRTL style flag on the dialog
michael@0:     // template.
michael@0:     HRSRC hDialogRC = FindResource(nullptr, MAKEINTRESOURCE(idd),
michael@0:                                    RT_DIALOG);
michael@0:     HGLOBAL  hDlgTemplate = LoadResource(nullptr, hDialogRC);
michael@0:     DLGTEMPLATEEX* pDlgTemplate = (DLGTEMPLATEEX*)LockResource(hDlgTemplate);
michael@0:     unsigned long sizeDlg = SizeofResource(nullptr, hDialogRC);
michael@0:     HGLOBAL hMyDlgTemplate = GlobalAlloc(GPTR, sizeDlg);
michael@0:      DLGTEMPLATEEX* pMyDlgTemplate =
michael@0:       (DLGTEMPLATEEX*)GlobalLock(hMyDlgTemplate);
michael@0:     memcpy(pMyDlgTemplate, pDlgTemplate, sizeDlg);
michael@0: 
michael@0:     pMyDlgTemplate->exStyle |= WS_EX_LAYOUTRTL;
michael@0: 
michael@0:     rv = DialogBoxIndirectParam(nullptr, (LPCDLGTEMPLATE)pMyDlgTemplate,
michael@0:                                 hwndParent, dlgProc, param);
michael@0:     GlobalUnlock(hMyDlgTemplate);
michael@0:     GlobalFree(hMyDlgTemplate);
michael@0:   }
michael@0:   else {
michael@0:     rv = DialogBoxParam(nullptr, MAKEINTRESOURCE(idd), hwndParent,
michael@0:                         dlgProc, param);
michael@0:   }
michael@0: 
michael@0:   return rv;
michael@0: }
michael@0: 
michael@0: 
michael@0: static BOOL CALLBACK CrashReporterDialogProc(HWND hwndDlg, UINT message,
michael@0:                                              WPARAM wParam, LPARAM lParam)
michael@0: {
michael@0:   static int sHeight = 0;
michael@0: 
michael@0:   bool success;
michael@0:   bool enabled;
michael@0: 
michael@0:   switch (message) {
michael@0:   case WM_INITDIALOG: {
michael@0:     GetThemeSizes(hwndDlg);
michael@0:     RECT r;
michael@0:     GetClientRect(hwndDlg, &r);
michael@0:     sHeight = r.bottom - r.top;
michael@0: 
michael@0:     SetWindowText(hwndDlg, Str(ST_CRASHREPORTERTITLE).c_str());
michael@0:     HICON hIcon = LoadIcon(GetModuleHandle(nullptr),
michael@0:                            MAKEINTRESOURCE(IDI_MAINICON));
michael@0:     SendMessage(hwndDlg, WM_SETICON, ICON_SMALL, (LPARAM)hIcon);
michael@0:     SendMessage(hwndDlg, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
michael@0: 
michael@0:     // resize the "View Report" button based on the string length
michael@0:     RECT rect;
michael@0:     HWND hwnd = GetDlgItem(hwndDlg, IDC_VIEWREPORTBUTTON);
michael@0:     GetRelativeRect(hwnd, hwndDlg, &rect);
michael@0:     ResizeControl(hwnd, rect, Str(ST_VIEWREPORT), false, 0);
michael@0:     SetDlgItemText(hwndDlg, IDC_VIEWREPORTBUTTON, Str(ST_VIEWREPORT).c_str());
michael@0: 
michael@0:     hwnd = GetDlgItem(hwndDlg, IDC_SUBMITREPORTCHECK);
michael@0:     GetRelativeRect(hwnd, hwndDlg, &rect);
michael@0:     long maxdiff = ResizeControl(hwnd, rect, Str(ST_CHECKSUBMIT), false,
michael@0:                                 gCheckboxPadding);
michael@0:     SetDlgItemText(hwndDlg, IDC_SUBMITREPORTCHECK,
michael@0:                    Str(ST_CHECKSUBMIT).c_str());
michael@0: 
michael@0:     if (!CheckBoolKey(gCrashReporterKey.c_str(),
michael@0:                       SUBMIT_REPORT_VALUE, &enabled))
michael@0:       enabled = ShouldEnableSending();
michael@0: 
michael@0:     CheckDlgButton(hwndDlg, IDC_SUBMITREPORTCHECK, enabled ? BST_CHECKED
michael@0:                                                            : BST_UNCHECKED);
michael@0:     SubmitReportChecked(hwndDlg);
michael@0: 
michael@0:     HWND hwndComment = GetDlgItem(hwndDlg, IDC_COMMENTTEXT);
michael@0:     WNDPROC OldWndProc = (WNDPROC)SetWindowLongPtr(hwndComment,
michael@0:                                                    GWLP_WNDPROC,
michael@0:                                                    (LONG_PTR)EditSubclassProc);
michael@0: 
michael@0:     // Subclass comment edit control to get placeholder text
michael@0:     SetWindowLongPtr(hwndComment, GWLP_USERDATA, (LONG_PTR)OldWndProc);
michael@0:     wstring commentGrayText = Str(ST_COMMENTGRAYTEXT);
michael@0:     wchar_t* hMem = (wchar_t*)GlobalAlloc(GPTR, (commentGrayText.length() + 1)*sizeof(wchar_t));
michael@0:     wcscpy(hMem, commentGrayText.c_str());
michael@0:     SetProp(hwndComment, L"PROP_GRAYTEXT", hMem);
michael@0: 
michael@0:     hwnd = GetDlgItem(hwndDlg, IDC_INCLUDEURLCHECK);
michael@0:     GetRelativeRect(hwnd, hwndDlg, &rect);
michael@0:     long diff = ResizeControl(hwnd, rect, Str(ST_CHECKURL), false,
michael@0:                              gCheckboxPadding);
michael@0:     maxdiff = std::max(diff, maxdiff);
michael@0:     SetDlgItemText(hwndDlg, IDC_INCLUDEURLCHECK, Str(ST_CHECKURL).c_str());
michael@0: 
michael@0:     // want this on by default
michael@0:     if (CheckBoolKey(gCrashReporterKey.c_str(), INCLUDE_URL_VALUE, &enabled) &&
michael@0:         !enabled) {
michael@0:       CheckDlgButton(hwndDlg, IDC_INCLUDEURLCHECK, BST_UNCHECKED);
michael@0:     } else {
michael@0:       CheckDlgButton(hwndDlg, IDC_INCLUDEURLCHECK, BST_CHECKED);
michael@0:     }
michael@0: 
michael@0:     hwnd = GetDlgItem(hwndDlg, IDC_EMAILMECHECK);
michael@0:     GetRelativeRect(hwnd, hwndDlg, &rect);
michael@0:     diff = ResizeControl(hwnd, rect, Str(ST_CHECKEMAIL), false,
michael@0:                          gCheckboxPadding);
michael@0:     maxdiff = std::max(diff, maxdiff);
michael@0:     SetDlgItemText(hwndDlg, IDC_EMAILMECHECK, Str(ST_CHECKEMAIL).c_str());
michael@0: 
michael@0:     if (CheckBoolKey(gCrashReporterKey.c_str(), EMAIL_ME_VALUE, &enabled) &&
michael@0:         enabled) {
michael@0:       CheckDlgButton(hwndDlg, IDC_EMAILMECHECK, BST_CHECKED);
michael@0:     } else {
michael@0:       CheckDlgButton(hwndDlg, IDC_EMAILMECHECK, BST_UNCHECKED);
michael@0:     }
michael@0: 
michael@0:     wstring email;
michael@0:     if (GetStringKey(gCrashReporterKey.c_str(), EMAIL_VALUE, email)) {
michael@0:       SetDlgItemText(hwndDlg, IDC_EMAILTEXT, email.c_str());
michael@0:     }
michael@0: 
michael@0:     // Subclass email edit control to get placeholder text
michael@0:     HWND hwndEmail = GetDlgItem(hwndDlg, IDC_EMAILTEXT);
michael@0:     OldWndProc = (WNDPROC)SetWindowLongPtr(hwndEmail,
michael@0:                                            GWLP_WNDPROC,
michael@0:                                            (LONG_PTR)EditSubclassProc);
michael@0:     SetWindowLongPtr(hwndEmail, GWLP_USERDATA, (LONG_PTR)OldWndProc);
michael@0:     wstring emailGrayText = Str(ST_EMAILGRAYTEXT);
michael@0:     hMem = (wchar_t*)GlobalAlloc(GPTR, (emailGrayText.length() + 1)*sizeof(wchar_t));
michael@0:     wcscpy(hMem, emailGrayText.c_str());
michael@0:     SetProp(hwndEmail, L"PROP_GRAYTEXT", hMem);
michael@0: 
michael@0:     SetDlgItemText(hwndDlg, IDC_PROGRESSTEXT, Str(ST_REPORTPRESUBMIT).c_str());
michael@0: 
michael@0:     RECT closeRect;
michael@0:     HWND hwndClose = GetDlgItem(hwndDlg, IDC_CLOSEBUTTON);
michael@0:     GetRelativeRect(hwndClose, hwndDlg, &closeRect);
michael@0: 
michael@0:     RECT restartRect;
michael@0:     HWND hwndRestart = GetDlgItem(hwndDlg, IDC_RESTARTBUTTON);
michael@0:     GetRelativeRect(hwndRestart, hwndDlg, &restartRect);
michael@0: 
michael@0:     // set the close button text and shift the buttons around
michael@0:     // since the size may need to change
michael@0:     int sizeDiff = ResizeControl(hwndClose, closeRect, Str(ST_QUIT),
michael@0:                                  true, 0);
michael@0:     restartRect.left -= sizeDiff;
michael@0:     restartRect.right -= sizeDiff;
michael@0:     SetDlgItemText(hwndDlg, IDC_CLOSEBUTTON, Str(ST_QUIT).c_str());
michael@0: 
michael@0:     if (gRestartArgs.size() > 0) {
michael@0:       // Resize restart button to fit text
michael@0:       ResizeControl(hwndRestart, restartRect, Str(ST_RESTART), true, 0);
michael@0:       SetDlgItemText(hwndDlg, IDC_RESTARTBUTTON, Str(ST_RESTART).c_str());
michael@0:     } else {
michael@0:       // No restart arguments, so just hide the restart button
michael@0:       SetDlgItemVisible(hwndDlg, IDC_RESTARTBUTTON, false);
michael@0:     }
michael@0:     // See if we need to widen the window
michael@0:     // Leave 6 pixels on either side + 6 pixels between the buttons
michael@0:     int neededSize = closeRect.right - closeRect.left +
michael@0:       restartRect.right - restartRect.left + 6 * 3;
michael@0:     GetClientRect(hwndDlg, &r);
michael@0:     // We may already have resized one of the checkboxes above
michael@0:     maxdiff = std::max(maxdiff, neededSize - (r.right - r.left));
michael@0: 
michael@0:     if (maxdiff > 0) {
michael@0:       // widen window
michael@0:       GetWindowRect(hwndDlg, &r);
michael@0:       r.right += maxdiff;
michael@0:       MoveWindow(hwndDlg, r.left, r.top,
michael@0:                  r.right - r.left, r.bottom - r.top, TRUE);
michael@0:       // shift both buttons right
michael@0:       if (restartRect.left + maxdiff < 6)
michael@0:         maxdiff += 6;
michael@0:       closeRect.left += maxdiff;
michael@0:       closeRect.right += maxdiff;
michael@0:       restartRect.left += maxdiff;
michael@0:       restartRect.right += maxdiff;
michael@0:       MoveWindow(hwndClose, closeRect.left, closeRect.top,
michael@0:                  closeRect.right - closeRect.left,
michael@0:                  closeRect.bottom - closeRect.top,
michael@0:                  TRUE);
michael@0:       StretchControlsToFit(hwndDlg);
michael@0:     }
michael@0:     // need to move the restart button regardless
michael@0:     MoveWindow(hwndRestart, restartRect.left, restartRect.top,
michael@0:                restartRect.right - restartRect.left,
michael@0:                restartRect.bottom - restartRect.top,
michael@0:                TRUE);
michael@0: 
michael@0:     // Resize the description text last, in case the window was resized
michael@0:     // before this.
michael@0:     SendDlgItemMessage(hwndDlg, IDC_DESCRIPTIONTEXT,
michael@0:                        EM_SETEVENTMASK, (WPARAM)nullptr,
michael@0:                        ENM_REQUESTRESIZE);
michael@0:     
michael@0:     wstring description = Str(ST_CRASHREPORTERHEADER);
michael@0:     description += L"\n\n";
michael@0:     description += Str(ST_CRASHREPORTERDESCRIPTION);
michael@0:     SetDlgItemText(hwndDlg, IDC_DESCRIPTIONTEXT, description.c_str());
michael@0: 
michael@0: 
michael@0:     // Make the title bold.
michael@0:     CHARFORMAT fmt = { 0, };
michael@0:     fmt.cbSize = sizeof(fmt);
michael@0:     fmt.dwMask = CFM_BOLD;
michael@0:     fmt.dwEffects = CFE_BOLD;
michael@0:     SendDlgItemMessage(hwndDlg, IDC_DESCRIPTIONTEXT, EM_SETSEL,
michael@0:                        0, Str(ST_CRASHREPORTERHEADER).length());
michael@0:     SendDlgItemMessage(hwndDlg, IDC_DESCRIPTIONTEXT, EM_SETCHARFORMAT,
michael@0:                        SCF_SELECTION, (LPARAM)&fmt);
michael@0:     SendDlgItemMessage(hwndDlg, IDC_DESCRIPTIONTEXT, EM_SETSEL, 0, 0);
michael@0:     // Force redraw.
michael@0:     SendDlgItemMessage(hwndDlg, IDC_DESCRIPTIONTEXT,
michael@0:                        EM_SETTARGETDEVICE, (WPARAM)nullptr, 0);
michael@0:     // Force resize.
michael@0:     SendDlgItemMessage(hwndDlg, IDC_DESCRIPTIONTEXT,
michael@0:                        EM_REQUESTRESIZE, 0, 0);
michael@0: 
michael@0:     // if no URL was given, hide the URL checkbox
michael@0:     if (gQueryParameters.find(L"URL") == gQueryParameters.end()) {
michael@0:       RECT urlCheckRect, emailCheckRect;
michael@0:       GetWindowRect(GetDlgItem(hwndDlg, IDC_INCLUDEURLCHECK), &urlCheckRect);
michael@0:       GetWindowRect(GetDlgItem(hwndDlg, IDC_EMAILMECHECK), &emailCheckRect);
michael@0: 
michael@0:       SetDlgItemVisible(hwndDlg, IDC_INCLUDEURLCHECK, false);
michael@0: 
michael@0:       gAttachedBottom.erase(IDC_VIEWREPORTBUTTON);
michael@0:       gAttachedBottom.erase(IDC_SUBMITREPORTCHECK);
michael@0:       gAttachedBottom.erase(IDC_COMMENTTEXT);
michael@0: 
michael@0:       StretchDialog(hwndDlg, urlCheckRect.top - emailCheckRect.top);
michael@0: 
michael@0:       gAttachedBottom.insert(IDC_VIEWREPORTBUTTON);
michael@0:       gAttachedBottom.insert(IDC_SUBMITREPORTCHECK);
michael@0:       gAttachedBottom.insert(IDC_COMMENTTEXT);
michael@0:     }
michael@0: 
michael@0:     MaybeResizeProgressText(hwndDlg);
michael@0: 
michael@0:     // Open the AVI resource for the throbber
michael@0:     Animate_Open(GetDlgItem(hwndDlg, IDC_THROBBER),
michael@0:                  MAKEINTRESOURCE(IDR_THROBBER));
michael@0: 
michael@0:     UpdateURL(hwndDlg);
michael@0:     UpdateEmail(hwndDlg);
michael@0: 
michael@0:     SetFocus(GetDlgItem(hwndDlg, IDC_SUBMITREPORTCHECK));
michael@0:     return FALSE;
michael@0:   }
michael@0:   case WM_SIZE: {
michael@0:     ReflowDialog(hwndDlg, HIWORD(lParam) - sHeight);
michael@0:     sHeight = HIWORD(lParam);
michael@0:     InvalidateRect(hwndDlg, nullptr, TRUE);
michael@0:     return FALSE;
michael@0:   }
michael@0:   case WM_NOTIFY: {
michael@0:     NMHDR* notification = reinterpret_cast<NMHDR*>(lParam);
michael@0:     if (notification->code == EN_REQUESTRESIZE) {
michael@0:       // Resizing the rich edit control to fit the description text.
michael@0:       REQRESIZE* reqresize = reinterpret_cast<REQRESIZE*>(lParam);
michael@0:       RECT newSize = reqresize->rc;
michael@0:       RECT oldSize;
michael@0:       GetRelativeRect(notification->hwndFrom, hwndDlg, &oldSize);
michael@0: 
michael@0:       // resize the text box as requested
michael@0:       MoveWindow(notification->hwndFrom, newSize.left, newSize.top,
michael@0:                  newSize.right - newSize.left, newSize.bottom - newSize.top,
michael@0:                  TRUE);
michael@0: 
michael@0:       // Resize the dialog to fit (the WM_SIZE handler will move the controls)
michael@0:       StretchDialog(hwndDlg, newSize.bottom - oldSize.bottom);
michael@0:     }
michael@0:     return FALSE;
michael@0:   }
michael@0:   case WM_COMMAND: {
michael@0:     if (HIWORD(wParam) == BN_CLICKED) {
michael@0:       switch(LOWORD(wParam)) {
michael@0:       case IDC_VIEWREPORTBUTTON:
michael@0:         DialogBoxParamMaybeRTL(IDD_VIEWREPORTDIALOG, hwndDlg,
michael@0:                        (DLGPROC)ViewReportDialogProc, 0);
michael@0:         break;
michael@0:       case IDC_SUBMITREPORTCHECK:
michael@0:         SubmitReportChecked(hwndDlg);
michael@0:         break;
michael@0:       case IDC_INCLUDEURLCHECK:
michael@0:         UpdateURL(hwndDlg);
michael@0:         break;
michael@0:       case IDC_EMAILMECHECK:
michael@0:         UpdateEmail(hwndDlg);
michael@0:         break;
michael@0:       case IDC_CLOSEBUTTON:
michael@0:         MaybeSendReport(hwndDlg);
michael@0:         break;
michael@0:       case IDC_RESTARTBUTTON:
michael@0:         RestartApplication();
michael@0:         MaybeSendReport(hwndDlg);
michael@0:         break;
michael@0:       }
michael@0:     } else if (HIWORD(wParam) == EN_CHANGE) {
michael@0:       switch(LOWORD(wParam)) {
michael@0:       case IDC_EMAILTEXT:
michael@0:         UpdateEmail(hwndDlg);
michael@0:         break;
michael@0:       case IDC_COMMENTTEXT:
michael@0:         UpdateComment(hwndDlg);
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     return FALSE;
michael@0:   }
michael@0:   case WM_UPLOADCOMPLETE: {
michael@0:     WaitForSingleObject(gThreadHandle, INFINITE);
michael@0:     success = (wParam == 1);
michael@0:     SendCompleted(success, WideToUTF8(gSendData.serverResponse));
michael@0:     // hide throbber
michael@0:     Animate_Stop(GetDlgItem(hwndDlg, IDC_THROBBER));
michael@0:     SetDlgItemVisible(hwndDlg, IDC_THROBBER, false);
michael@0: 
michael@0:     SetDlgItemText(hwndDlg, IDC_PROGRESSTEXT,
michael@0:                    success ?
michael@0:                    Str(ST_REPORTSUBMITSUCCESS).c_str() :
michael@0:                    Str(ST_SUBMITFAILED).c_str());
michael@0:     MaybeResizeProgressText(hwndDlg);
michael@0:     // close dialog after 5 seconds
michael@0:     SetTimer(hwndDlg, 0, 5000, nullptr);
michael@0:     //
michael@0:     return TRUE;
michael@0:   }
michael@0: 
michael@0:   case WM_LBUTTONDOWN: {
michael@0:     HWND hwndEmail = GetDlgItem(hwndDlg, IDC_EMAILTEXT);
michael@0:     POINT p = { LOWORD(lParam), HIWORD(lParam) };
michael@0:     // if the email edit control is clicked, enable it,
michael@0:     // check the email checkbox, and focus the email edit control
michael@0:     if (ChildWindowFromPoint(hwndDlg, p) == hwndEmail &&
michael@0:         IsWindowEnabled(GetDlgItem(hwndDlg, IDC_RESTARTBUTTON)) &&
michael@0:         !IsWindowEnabled(hwndEmail) &&
michael@0:         IsDlgButtonChecked(hwndDlg, IDC_SUBMITREPORTCHECK) != 0) {
michael@0:       CheckDlgButton(hwndDlg, IDC_EMAILMECHECK, BST_CHECKED);
michael@0:       UpdateEmail(hwndDlg);
michael@0:       SetFocus(hwndEmail);
michael@0:     }
michael@0:     break;
michael@0:   }
michael@0: 
michael@0:   case WM_TIMER: {
michael@0:     // The "1" gets used down in UIShowCrashUI to indicate that we at least
michael@0:     // tried to send the report.
michael@0:     EndCrashReporterDialog(hwndDlg, 1);
michael@0:     return FALSE;
michael@0:   }
michael@0: 
michael@0:   case WM_CLOSE: {
michael@0:     EndCrashReporterDialog(hwndDlg, 0);
michael@0:     return FALSE;
michael@0:   }
michael@0:   }
michael@0:   return FALSE;
michael@0: }
michael@0: 
michael@0: static wstring UTF8ToWide(const string& utf8, bool *success)
michael@0: {
michael@0:   wchar_t* buffer = nullptr;
michael@0:   int buffer_size = MultiByteToWideChar(CP_UTF8, 0, utf8.c_str(),
michael@0:                                         -1, nullptr, 0);
michael@0:   if(buffer_size == 0) {
michael@0:     if (success)
michael@0:       *success = false;
michael@0:     return L"";
michael@0:   }
michael@0: 
michael@0:   buffer = new wchar_t[buffer_size];
michael@0:   if(buffer == nullptr) {
michael@0:     if (success)
michael@0:       *success = false;
michael@0:     return L"";
michael@0:   }
michael@0: 
michael@0:   MultiByteToWideChar(CP_UTF8, 0, utf8.c_str(),
michael@0:                       -1, buffer, buffer_size);
michael@0:   wstring str = buffer;
michael@0:   delete [] buffer;
michael@0: 
michael@0:   if (success)
michael@0:     *success = true;
michael@0: 
michael@0:   return str;
michael@0: }
michael@0: 
michael@0: static string WideToMBCP(const wstring& wide,
michael@0:                          unsigned int cp,
michael@0:                          bool* success = nullptr)
michael@0: {
michael@0:   char* buffer = nullptr;
michael@0:   int buffer_size = WideCharToMultiByte(cp, 0, wide.c_str(),
michael@0:                                         -1, nullptr, 0, nullptr, nullptr);
michael@0:   if(buffer_size == 0) {
michael@0:     if (success)
michael@0:       *success = false;
michael@0:     return "";
michael@0:   }
michael@0: 
michael@0:   buffer = new char[buffer_size];
michael@0:   if(buffer == nullptr) {
michael@0:     if (success)
michael@0:       *success = false;
michael@0:     return "";
michael@0:   }
michael@0: 
michael@0:   WideCharToMultiByte(cp, 0, wide.c_str(),
michael@0:                       -1, buffer, buffer_size, nullptr, nullptr);
michael@0:   string mb = buffer;
michael@0:   delete [] buffer;
michael@0: 
michael@0:   if (success)
michael@0:     *success = true;
michael@0: 
michael@0:   return mb;
michael@0: }
michael@0: 
michael@0: string WideToUTF8(const wstring& wide, bool* success)
michael@0: {
michael@0:   return WideToMBCP(wide, CP_UTF8, success);
michael@0: }
michael@0: 
michael@0: /* === Crashreporter UI Functions === */
michael@0: 
michael@0: bool UIInit()
michael@0: {
michael@0:   for (int i = 0; i < sizeof(kDefaultAttachedBottom) / sizeof(UINT); i++) {
michael@0:     gAttachedBottom.insert(kDefaultAttachedBottom[i]);
michael@0:   }
michael@0: 
michael@0:   DoInitCommonControls();
michael@0: 
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: void UIShutdown()
michael@0: {
michael@0: }
michael@0: 
michael@0: void UIShowDefaultUI()
michael@0: {
michael@0:   MessageBox(nullptr, Str(ST_CRASHREPORTERDEFAULT).c_str(),
michael@0:              L"Crash Reporter",
michael@0:              MB_OK | MB_ICONSTOP);
michael@0: }
michael@0: 
michael@0: bool UIShowCrashUI(const string& dumpFile,
michael@0:                    const StringTable& queryParameters,
michael@0:                    const string& sendURL,
michael@0:                    const vector<string>& restartArgs)
michael@0: {
michael@0:   gSendData.hDlg = nullptr;
michael@0:   gSendData.dumpFile = UTF8ToWide(dumpFile);
michael@0:   gSendData.sendURL = UTF8ToWide(sendURL);
michael@0: 
michael@0:   for (StringTable::const_iterator i = queryParameters.begin();
michael@0:        i != queryParameters.end();
michael@0:        i++) {
michael@0:     gQueryParameters[UTF8ToWide(i->first)] = UTF8ToWide(i->second);
michael@0:   }
michael@0: 
michael@0:   if (gQueryParameters.find(L"Vendor") != gQueryParameters.end()) {
michael@0:     gCrashReporterKey = L"Software\\";
michael@0:     if (!gQueryParameters[L"Vendor"].empty()) {
michael@0:       gCrashReporterKey += gQueryParameters[L"Vendor"] + L"\\";
michael@0:     }
michael@0:     gCrashReporterKey += gQueryParameters[L"ProductName"] + L"\\Crash Reporter";
michael@0:   }
michael@0: 
michael@0:   if (gQueryParameters.find(L"URL") != gQueryParameters.end())
michael@0:     gURLParameter = gQueryParameters[L"URL"];
michael@0: 
michael@0:   gRestartArgs = restartArgs;
michael@0: 
michael@0:   if (gStrings.find("isRTL") != gStrings.end() &&
michael@0:       gStrings["isRTL"] == "yes")
michael@0:     gRTLlayout = true;
michael@0: 
michael@0:   return 1 == DialogBoxParamMaybeRTL(IDD_SENDDIALOG, nullptr,
michael@0:                                      (DLGPROC)CrashReporterDialogProc, 0);
michael@0: }
michael@0: 
michael@0: void UIError_impl(const string& message)
michael@0: {
michael@0:   wstring title = Str(ST_CRASHREPORTERTITLE);
michael@0:   if (title.empty())
michael@0:     title = L"Crash Reporter Error";
michael@0: 
michael@0:   MessageBox(nullptr, UTF8ToWide(message).c_str(), title.c_str(),
michael@0:              MB_OK | MB_ICONSTOP);
michael@0: }
michael@0: 
michael@0: bool UIGetIniPath(string& path)
michael@0: {
michael@0:   wchar_t fileName[MAX_PATH];
michael@0:   if (GetModuleFileName(nullptr, fileName, MAX_PATH)) {
michael@0:     // get crashreporter ini
michael@0:     wchar_t* s = wcsrchr(fileName, '.');
michael@0:     if (s) {
michael@0:       wcscpy(s, L".ini");
michael@0:       path = WideToUTF8(fileName);
michael@0:       return true;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: bool UIGetSettingsPath(const string& vendor,
michael@0:                        const string& product,
michael@0:                        string& settings_path)
michael@0: {
michael@0:   wchar_t path[MAX_PATH];
michael@0:   HRESULT hRes = SHGetFolderPath(nullptr,
michael@0:                                  CSIDL_APPDATA,
michael@0:                                  nullptr,
michael@0:                                  0,
michael@0:                                  path);
michael@0:   if (FAILED(hRes)) {
michael@0:     // This provides a fallback for getting the path to APPDATA by querying the
michael@0:     // registry when the call to SHGetFolderPath is unable to provide this path
michael@0:     // (Bug 513958).
michael@0:     HKEY key;
michael@0:     DWORD type, size, dwRes;
michael@0:     dwRes = ::RegOpenKeyExW(HKEY_CURRENT_USER,
michael@0:                             L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders",
michael@0:                             0,
michael@0:                             KEY_READ,
michael@0:                             &key);
michael@0:     if (dwRes != ERROR_SUCCESS)
michael@0:       return false;
michael@0: 
michael@0:     dwRes = RegQueryValueExW(key,
michael@0:                              L"AppData",
michael@0:                              nullptr,
michael@0:                              &type,
michael@0:                              (LPBYTE)&path,
michael@0:                              &size);
michael@0:     ::RegCloseKey(key);
michael@0:     // The call to RegQueryValueExW must succeed, the type must be REG_SZ, the
michael@0:     // buffer size must not equal 0, and the buffer size be a multiple of 2.
michael@0:     if (dwRes != ERROR_SUCCESS || type != REG_SZ || size == 0 || size % 2 != 0)
michael@0:         return false;
michael@0:   }
michael@0: 
michael@0:   if (!vendor.empty()) {
michael@0:     PathAppend(path, UTF8ToWide(vendor).c_str());
michael@0:   }
michael@0:   PathAppend(path, UTF8ToWide(product).c_str());
michael@0:   PathAppend(path, L"Crash Reports");
michael@0:   settings_path = WideToUTF8(path);
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: bool UIEnsurePathExists(const string& path)
michael@0: {
michael@0:   if (CreateDirectory(UTF8ToWide(path).c_str(), nullptr) == 0) {
michael@0:     if (GetLastError() != ERROR_ALREADY_EXISTS)
michael@0:       return false;
michael@0:   }
michael@0: 
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: bool UIFileExists(const string& path)
michael@0: {
michael@0:   DWORD attrs = GetFileAttributes(UTF8ToWide(path).c_str());
michael@0:   return (attrs != INVALID_FILE_ATTRIBUTES);
michael@0: }
michael@0: 
michael@0: bool UIMoveFile(const string& oldfile, const string& newfile)
michael@0: {
michael@0:   if (oldfile == newfile)
michael@0:     return true;
michael@0: 
michael@0:   return MoveFile(UTF8ToWide(oldfile).c_str(), UTF8ToWide(newfile).c_str())
michael@0:     == TRUE;
michael@0: }
michael@0: 
michael@0: bool UIDeleteFile(const string& oldfile)
michael@0: {
michael@0:   return DeleteFile(UTF8ToWide(oldfile).c_str()) == TRUE;
michael@0: }
michael@0: 
michael@0: ifstream* UIOpenRead(const string& filename)
michael@0: {
michael@0:   // adapted from breakpad's src/common/windows/http_upload.cc
michael@0: 
michael@0:   // The "open" method on pre-MSVC8 ifstream implementations doesn't accept a
michael@0:   // wchar_t* filename, so use _wfopen directly in that case.  For VC8 and
michael@0:   // later, _wfopen has been deprecated in favor of _wfopen_s, which does
michael@0:   // not exist in earlier versions, so let the ifstream open the file itself.
michael@0: #if _MSC_VER >= 1400  // MSVC 2005/8
michael@0:   ifstream* file = new ifstream();
michael@0:   file->open(UTF8ToWide(filename).c_str(), ios::in);
michael@0: #elif defined(_MSC_VER)
michael@0:   ifstream* file = new ifstream(_wfopen(UTF8ToWide(filename).c_str(), L"r"));
michael@0: #else   // GCC
michael@0:   ifstream* file = new ifstream(WideToMBCP(UTF8ToWide(filename), CP_ACP).c_str(),
michael@0:                                 ios::in);
michael@0: #endif  // _MSC_VER >= 1400
michael@0: 
michael@0:   return file;
michael@0: }
michael@0: 
michael@0: ofstream* UIOpenWrite(const string& filename, bool append) // append=false
michael@0: {
michael@0:   // adapted from breakpad's src/common/windows/http_upload.cc
michael@0: 
michael@0:   // The "open" method on pre-MSVC8 ifstream implementations doesn't accept a
michael@0:   // wchar_t* filename, so use _wfopen directly in that case.  For VC8 and
michael@0:   // later, _wfopen has been deprecated in favor of _wfopen_s, which does
michael@0:   // not exist in earlier versions, so let the ifstream open the file itself.
michael@0: #if _MSC_VER >= 1400  // MSVC 2005/8
michael@0:   ofstream* file = new ofstream();
michael@0:   file->open(UTF8ToWide(filename).c_str(), append ? ios::out | ios::app
michael@0:                                                   : ios::out);
michael@0: #elif defined(_MSC_VER)
michael@0:   ofstream* file = new ofstream(_wfopen(UTF8ToWide(filename).c_str(),
michael@0:                                         append ? L"a" : L"w"));
michael@0: #else   // GCC
michael@0:   ofstream* file = new ofstream(WideToMBCP(UTF8ToWide(filename), CP_ACP).c_str(),
michael@0:                                 append ? ios::out | ios::app : ios::out);
michael@0: #endif  // _MSC_VER >= 1400
michael@0: 
michael@0:   return file;
michael@0: }
michael@0: 
michael@0: struct FileData
michael@0: {
michael@0:   FILETIME timestamp;
michael@0:   wstring path;
michael@0: };
michael@0: 
michael@0: static bool CompareFDTime(const FileData& fd1, const FileData& fd2)
michael@0: {
michael@0:   return CompareFileTime(&fd1.timestamp, &fd2.timestamp) > 0;
michael@0: }
michael@0: 
michael@0: void UIPruneSavedDumps(const std::string& directory)
michael@0: {
michael@0:   wstring wdirectory = UTF8ToWide(directory);
michael@0: 
michael@0:   WIN32_FIND_DATA fdata;
michael@0:   wstring findpath = wdirectory + L"\\*.dmp";
michael@0:   HANDLE dirlist = FindFirstFile(findpath.c_str(), &fdata);
michael@0:   if (dirlist == INVALID_HANDLE_VALUE)
michael@0:     return;
michael@0: 
michael@0:   vector<FileData> dumpfiles;
michael@0: 
michael@0:   for (BOOL ok = true; ok; ok = FindNextFile(dirlist, &fdata)) {
michael@0:     FileData fd = {fdata.ftLastWriteTime, wdirectory + L"\\" + fdata.cFileName};
michael@0:     dumpfiles.push_back(fd);
michael@0:   }
michael@0: 
michael@0:   sort(dumpfiles.begin(), dumpfiles.end(), CompareFDTime);
michael@0: 
michael@0:   while (dumpfiles.size() > kSaveCount) {
michael@0:     // get the path of the oldest file
michael@0:     wstring path = (--dumpfiles.end())->path;
michael@0:     DeleteFile(path.c_str());
michael@0: 
michael@0:     // s/.dmp/.extra/
michael@0:     path.replace(path.size() - 4, 4, L".extra");
michael@0:     DeleteFile(path.c_str());
michael@0: 
michael@0:     dumpfiles.pop_back();
michael@0:   }
michael@0: }