Changing linux platform for chromeos.

chrome/common/platform_util_win.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/common/platform_util.h"
-
-#include <commdlg.h>
-#include <dwmapi.h>
-#include <shellapi.h>
-#include <shlobj.h>
-
-#include "app/win_util.h"
-#include "base/file_path.h"
-#include "base/file_util.h"
-#include "base/path_service.h"
-#include "base/logging.h"
-#include "base/registry.h"
-#include "base/scoped_comptr_win.h"
-#include "base/string_util.h"
-#include "chrome/installer/util/google_update_settings.h"
-#include "chrome/installer/util/google_update_constants.h"
-#include "chrome/installer/util/install_util.h"
-#include "gfx/native_widget_types.h"
-#include "googleurl/src/gurl.h"
-
-namespace platform_util {
-
-void ShowItemInFolder(const FilePath& full_path) {
-  FilePath dir = full_path.DirName();
-  // ParseDisplayName will fail if the directory is "C:", it must be "C:\\".
-  if (dir.value() == L"" || !file_util::EnsureEndsWithSeparator(&dir))
-    return;
-
-  typedef HRESULT (WINAPI *SHOpenFolderAndSelectItemsFuncPtr)(
-      PCIDLIST_ABSOLUTE pidl_Folder,
-      UINT cidl,
-      PCUITEMID_CHILD_ARRAY pidls,
-      DWORD flags);
-
-  static SHOpenFolderAndSelectItemsFuncPtr open_folder_and_select_itemsPtr =
-    NULL;
-  static bool initialize_open_folder_proc = true;
-  if (initialize_open_folder_proc) {
-    initialize_open_folder_proc = false;
-    // The SHOpenFolderAndSelectItems API is exposed by shell32 version 6
-    // and does not exist in Win2K. We attempt to retrieve this function export
-    // from shell32 and if it does not exist, we just invoke ShellExecute to
-    // open the folder thus losing the functionality to select the item in
-    // the process.
-    HMODULE shell32_base = GetModuleHandle(L"shell32.dll");
-    if (!shell32_base) {
-      NOTREACHED();
-      return;
-    }
-    open_folder_and_select_itemsPtr =
-        reinterpret_cast<SHOpenFolderAndSelectItemsFuncPtr>
-            (GetProcAddress(shell32_base, "SHOpenFolderAndSelectItems"));
-  }
-  if (!open_folder_and_select_itemsPtr) {
-    ShellExecute(NULL, _T("open"), dir.value().c_str(), NULL, NULL, SW_SHOW);
-    return;
-  }
-
-  ScopedComPtr<IShellFolder> desktop;
-  HRESULT hr = SHGetDesktopFolder(desktop.Receive());
-  if (FAILED(hr))
-    return;
-
-  win_util::CoMemReleaser<ITEMIDLIST> dir_item;
-  hr = desktop->ParseDisplayName(NULL, NULL,
-                                 const_cast<wchar_t *>(dir.value().c_str()),
-                                 NULL, &dir_item, NULL);
-  if (FAILED(hr))
-    return;
-
-  win_util::CoMemReleaser<ITEMIDLIST> file_item;
-  hr = desktop->ParseDisplayName(NULL, NULL,
-      const_cast<wchar_t *>(full_path.value().c_str()),
-      NULL, &file_item, NULL);
-  if (FAILED(hr))
-    return;
-
-  const ITEMIDLIST* highlight[] = {
-    {file_item},
-  };
-  (*open_folder_and_select_itemsPtr)(dir_item, arraysize(highlight),
-                                     highlight, NULL);
-}
-
-void OpenItem(const FilePath& full_path) {
-  win_util::OpenItemViaShell(full_path);
-}
-
-void OpenExternal(const GURL& url) {
-  // Quote the input scheme to be sure that the command does not have
-  // parameters unexpected by the external program. This url should already
-  // have been escaped.
-  std::string escaped_url = url.spec();
-  escaped_url.insert(0, "\"");
-  escaped_url += "\"";
-
-  // According to Mozilla in uriloader/exthandler/win/nsOSHelperAppService.cpp:
-  // "Some versions of windows (Win2k before SP3, Win XP before SP1) crash in
-  // ShellExecute on long URLs (bug 161357 on bugzilla.mozilla.org). IE 5 and 6
-  // support URLS of 2083 chars in length, 2K is safe."
-  const size_t kMaxUrlLength = 2048;
-  if (escaped_url.length() > kMaxUrlLength) {
-    NOTREACHED();
-    return;
-  }
-
-  RegKey key;
-  std::wstring registry_path = ASCIIToWide(url.scheme()) +
-                               L"\\shell\\open\\command";
-  key.Open(HKEY_CLASSES_ROOT, registry_path.c_str());
-  if (key.Valid()) {
-    DWORD size = 0;
-    key.ReadValue(NULL, NULL, &size);
-    if (size <= 2) {
-      // ShellExecute crashes the process when the command is empty.
-      // We check for "2" because it always returns the trailing NULL.
-      // TODO(nsylvain): we should also add a dialog to warn on errors. See
-      // bug 1136923.
-      return;
-    }
-  }
-
-  if (reinterpret_cast<ULONG_PTR>(ShellExecuteA(NULL, "open",
-                                                escaped_url.c_str(), NULL, NULL,
-                                                SW_SHOWNORMAL)) <= 32) {
-    // We fail to execute the call. We could display a message to the user.
-    // TODO(nsylvain): we should also add a dialog to warn on errors. See
-    // bug 1136923.
-    return;
-  }
-}
-
-gfx::NativeWindow GetTopLevel(gfx::NativeView view) {
-  return GetAncestor(view, GA_ROOT);
-}
-
-bool IsWindowActive(gfx::NativeWindow window) {
-  return ::GetForegroundWindow() == window;
-}
-
-bool IsVisible(gfx::NativeView view) {
-  // MSVC complains if we don't include != 0.
-  return ::IsWindowVisible(view) != 0;
-}
-
-void SimpleErrorBox(gfx::NativeWindow parent,
-                    const string16& title,
-                    const string16& message) {
-  win_util::MessageBox(parent, message, title, MB_OK | MB_SETFOREGROUND);
-}
-
-string16 GetVersionStringModifier() {
-#if defined(GOOGLE_CHROME_BUILD)
-  FilePath module;
-  string16 channel;
-  if (PathService::Get(base::FILE_MODULE, &module)) {
-    bool is_system_install =
-        !InstallUtil::IsPerUserInstall(module.value().c_str());
-
-    GoogleUpdateSettings::GetChromeChannel(is_system_install, &channel);
-  }
-  return channel;
-#else
-  return string16();
-#endif
-}
-
-}  // namespace platform_util