Changing linux platform for chromeos. This involved moving platform_util and extension_error_reporter to browser, so that the UIs surrounding them can be in the browser.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/1705009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@45986 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 173 insertions, 0 deletions

diff --git a/chrome/browser/platform_util_win.cc b/chrome/browser/platform_util_win.cc
new file mode 100644
index 0000000..7738fe3
--- /dev/null
+++ b/chrome/browser/platform_util_win.cc
@@ -0,0 +1,173 @@
+// 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/browser/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