1 files changed, 302 insertions, 0 deletions
diff --git a/toolkit/mozapps/update/updater/progressui_win.cpp b/toolkit/mozapps/update/updater/progressui_win.cpp
new file mode 100644
index 0000000000..51bd2d8cce
--- /dev/null
+++ b/toolkit/mozapps/update/updater/progressui_win.cpp
@@ -0,0 +1,302 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <stdio.h>
+#include <windows.h>
+#include <commctrl.h>
+#include <process.h>
+#include <io.h>
+
+#include "resource.h"
+#include "progressui.h"
+#include "readstrings.h"
+#include "updatererrors.h"
+
+#define TIMER_ID 1
+#define TIMER_INTERVAL 100
+
+#define RESIZE_WINDOW(hwnd, extrax, extray)                                  \
+  {                                                                          \
+    RECT windowSize;                                                         \
+    GetWindowRect(hwnd, &windowSize);                                        \
+    SetWindowPos(hwnd, 0, 0, 0, windowSize.right - windowSize.left + extrax, \
+                 windowSize.bottom - windowSize.top + extray,                \
+                 SWP_NOMOVE | SWP_NOZORDER);                                 \
+  }
+
+#define MOVE_WINDOW(hwnd, dx, dy)                     \
+  {                                                   \
+    RECT rc;                                          \
+    POINT pt;                                         \
+    GetWindowRect(hwnd, &rc);                         \
+    pt.x = rc.left;                                   \
+    pt.y = rc.top;                                    \
+    ScreenToClient(GetParent(hwnd), &pt);             \
+    SetWindowPos(hwnd, 0, pt.x + dx, pt.y + dy, 0, 0, \
+                 SWP_NOSIZE | SWP_NOZORDER);          \
+  }
+
+static float sProgress;  // between 0 and 100
+static BOOL sQuit = FALSE;
+static BOOL sIndeterminate = FALSE;
+static StringTable sUIStrings;
+
+static BOOL GetStringsFile(WCHAR filename[MAX_PATH]) {
+  if (!GetModuleFileNameW(nullptr, filename, MAX_PATH)) {
+    return FALSE;
+  }
+
+  WCHAR* dot = wcsrchr(filename, '.');
+  if (!dot || wcsicmp(dot + 1, L"exe")) {
+    return FALSE;
+  }
+
+  wcscpy(dot + 1, L"ini");
+  return TRUE;
+}
+
+static void UpdateDialog(HWND hDlg) {
+  int pos = int(sProgress + 0.5f);
+  HWND hWndPro = GetDlgItem(hDlg, IDC_PROGRESS);
+  SendMessage(hWndPro, PBM_SETPOS, pos, 0L);
+}
+
+// The code in this function is from MSDN:
+// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/winui/windowsuserinterface/windowing/dialogboxes/usingdialogboxes.asp
+static void CenterDialog(HWND hDlg) {
+  RECT rc, rcOwner, rcDlg;
+
+  // Get the owner window and dialog box rectangles.
+  HWND desktop = GetDesktopWindow();
+
+  GetWindowRect(desktop, &rcOwner);
+  GetWindowRect(hDlg, &rcDlg);
+  CopyRect(&rc, &rcOwner);
+
+  // Offset the owner and dialog box rectangles so that
+  // right and bottom values represent the width and
+  // height, and then offset the owner again to discard
+  // space taken up by the dialog box.
+
+  OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
+  OffsetRect(&rc, -rc.left, -rc.top);
+  OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);
+
+  // The new position is the sum of half the remaining
+  // space and the owner's original position.
+
+  SetWindowPos(hDlg, HWND_TOP, rcOwner.left + (rc.right / 2),
+               rcOwner.top + (rc.bottom / 2), 0, 0,  // ignores size arguments
+               SWP_NOSIZE);
+}
+
+static void InitDialog(HWND hDlg) {
+  mozilla::UniquePtr<WCHAR[]> szwTitle;
+  mozilla::UniquePtr<WCHAR[]> szwInfo;
+
+  int bufferSize =
+      MultiByteToWideChar(CP_UTF8, 0, sUIStrings.title.get(), -1, nullptr, 0);
+  szwTitle = mozilla::MakeUnique<WCHAR[]>(bufferSize);
+  MultiByteToWideChar(CP_UTF8, 0, sUIStrings.title.get(), -1, szwTitle.get(),
+                      bufferSize);
+  bufferSize =
+      MultiByteToWideChar(CP_UTF8, 0, sUIStrings.info.get(), -1, nullptr, 0);
+  szwInfo = mozilla::MakeUnique<WCHAR[]>(bufferSize);
+  MultiByteToWideChar(CP_UTF8, 0, sUIStrings.info.get(), -1, szwInfo.get(),
+                      bufferSize);
+
+  SetWindowTextW(hDlg, szwTitle.get());
+  SetWindowTextW(GetDlgItem(hDlg, IDC_INFO), szwInfo.get());
+
+  // Set dialog icon
+  HICON hIcon = LoadIcon(GetModuleHandle(nullptr), MAKEINTRESOURCE(IDI_DIALOG));
+  if (hIcon) {
+    SendMessage(hDlg, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
+  }
+
+  HWND hWndPro = GetDlgItem(hDlg, IDC_PROGRESS);
+  SendMessage(hWndPro, PBM_SETRANGE, 0, MAKELPARAM(0, 100));
+  if (sIndeterminate) {
+    LONG_PTR val = GetWindowLongPtr(hWndPro, GWL_STYLE);
+    SetWindowLongPtr(hWndPro, GWL_STYLE, val | PBS_MARQUEE);
+    SendMessage(hWndPro, (UINT)PBM_SETMARQUEE, (WPARAM)TRUE, (LPARAM)50);
+  }
+
+  // Resize the dialog to fit all of the text if necessary.
+  RECT infoSize, textSize;
+  HWND hWndInfo = GetDlgItem(hDlg, IDC_INFO);
+
+  // Get the control's font for calculating the new size for the control
+  HDC hDCInfo = GetDC(hWndInfo);
+  HFONT hInfoFont, hOldFont = NULL;
+  hInfoFont = (HFONT)SendMessage(hWndInfo, WM_GETFONT, 0, 0);
+
+  if (hInfoFont) {
+    hOldFont = (HFONT)SelectObject(hDCInfo, hInfoFont);
+  }
+
+  // Measure the space needed for the text on a single line. DT_CALCRECT means
+  // nothing is drawn.
+  if (DrawText(hDCInfo, szwInfo.get(), -1, &textSize,
+               DT_CALCRECT | DT_NOCLIP | DT_SINGLELINE)) {
+    GetClientRect(hWndInfo, &infoSize);
+    SIZE extra;
+    // Calculate the additional space needed for the text by subtracting from
+    // the rectangle returned by DrawText the existing client rectangle's width
+    // and height.
+    extra.cx =
+        (textSize.right - textSize.left) - (infoSize.right - infoSize.left);
+    extra.cy =
+        (textSize.bottom - textSize.top) - (infoSize.bottom - infoSize.top);
+    if (extra.cx < 0) {
+      extra.cx = 0;
+    }
+    if (extra.cy < 0) {
+      extra.cy = 0;
+    }
+    if ((extra.cx > 0) || (extra.cy > 0)) {
+      RESIZE_WINDOW(hDlg, extra.cx, extra.cy);
+      RESIZE_WINDOW(hWndInfo, extra.cx, extra.cy);
+      RESIZE_WINDOW(hWndPro, extra.cx, 0);
+      MOVE_WINDOW(hWndPro, 0, extra.cy);
+    }
+  }
+
+  if (hOldFont) {
+    SelectObject(hDCInfo, hOldFont);
+  }
+
+  ReleaseDC(hWndInfo, hDCInfo);
+
+  CenterDialog(hDlg);  // make dialog appear in the center of the screen
+
+  SetTimer(hDlg, TIMER_ID, TIMER_INTERVAL, nullptr);
+}
+
+// Message handler for update dialog.
+static LRESULT CALLBACK DialogProc(HWND hDlg, UINT message, WPARAM wParam,
+                                   LPARAM lParam) {
+  switch (message) {
+    case WM_INITDIALOG:
+      InitDialog(hDlg);
+      return TRUE;
+
+    case WM_TIMER:
+      if (sQuit) {
+        EndDialog(hDlg, 0);
+      } else {
+        UpdateDialog(hDlg);
+      }
+      return TRUE;
+
+    case WM_COMMAND:
+      return TRUE;
+  }
+  return FALSE;
+}
+
+int InitProgressUI(int* argc, WCHAR*** argv) { return 0; }
+
+/**
+ * Initializes the progress UI strings
+ *
+ * @return 0 on success, -1 on error
+ */
+int InitProgressUIStrings() {
+  // If we do not have updater.ini, then we should not bother showing UI.
+  WCHAR filename[MAX_PATH];
+  if (!GetStringsFile(filename)) {
+    return -1;
+  }
+
+  if (_waccess(filename, 04)) {
+    return -1;
+  }
+
+  // If the updater.ini doesn't have the required strings, then we should not
+  // bother showing UI.
+  if (ReadStrings(filename, &sUIStrings) != OK) {
+    return -1;
+  }
+
+  return 0;
+}
+
+int ShowProgressUI(bool indeterminate, bool initUIStrings) {
+  sIndeterminate = indeterminate;
+  if (!indeterminate) {
+    // Only show the Progress UI if the process is taking a significant amount
+    // of time where a significant amount of time is defined as .5 seconds after
+    // ShowProgressUI is called sProgress is less than 70.
+    Sleep(500);
+
+    if (sQuit || sProgress > 70.0f) {
+      return 0;
+    }
+  }
+
+  // Don't load the UI if there's an <exe_name>.Local directory for redirection.
+  WCHAR appPath[MAX_PATH + 1] = {L'\0'};
+  if (!GetModuleFileNameW(nullptr, appPath, MAX_PATH)) {
+    return -1;
+  }
+
+  if (wcslen(appPath) + wcslen(L".Local") >= MAX_PATH) {
+    return -1;
+  }
+
+  wcscat(appPath, L".Local");
+
+  if (!_waccess(appPath, 04)) {
+    return -1;
+  }
+
+  // Don't load the UI if the strings for the UI are not provided.
+  if (initUIStrings && InitProgressUIStrings() == -1) {
+    return -1;
+  }
+
+  if (!GetModuleFileNameW(nullptr, appPath, MAX_PATH)) {
+    return -1;
+  }
+
+  // Use an activation context that supports visual styles for the controls.
+  ACTCTXW actx = {0};
+  actx.cbSize = sizeof(ACTCTXW);
+  actx.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID | ACTCTX_FLAG_HMODULE_VALID;
+  actx.hModule = GetModuleHandle(NULL);  // Use the embedded manifest
+  // This is needed only for Win XP but doesn't cause a problem with other
+  // versions of Windows.
+  actx.lpSource = appPath;
+  actx.lpResourceName = MAKEINTRESOURCE(IDR_COMCTL32_MANIFEST);
+
+  HANDLE hactx = INVALID_HANDLE_VALUE;
+  hactx = CreateActCtxW(&actx);
+  ULONG_PTR actxCookie = NULL;
+  if (hactx != INVALID_HANDLE_VALUE) {
+    // Push the specified activation context to the top of the activation stack.
+    ActivateActCtx(hactx, &actxCookie);
+  }
+
+  INITCOMMONCONTROLSEX icc = {sizeof(INITCOMMONCONTROLSEX), ICC_PROGRESS_CLASS};
+  InitCommonControlsEx(&icc);
+
+  DialogBox(GetModuleHandle(nullptr), MAKEINTRESOURCE(IDD_DIALOG), nullptr,
+            (DLGPROC)DialogProc);
+
+  if (hactx != INVALID_HANDLE_VALUE) {
+    // Deactivate the context now that the comctl32.dll is loaded.
+    DeactivateActCtx(0, actxCookie);
+  }
+
+  return 0;
+}
+
+void QuitProgressUI() { sQuit = TRUE; }
+
+void UpdateProgressUI(float progress) {
+  sProgress = progress;  // 32-bit writes are atomic
+}