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// Copyright (c) 2009 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 <gtk/gtk.h>

#include "app/gtk_util.h"
#include "base/file_util.h"
#include "base/process_util.h"
#include "base/utf_string_conversions.h"
#include "chrome/common/process_watcher.h"
#include "googleurl/src/gurl.h"

namespace {

void XDGOpen(const std::string& path) {
  std::vector<std::string> argv;

  base::environment_vector env;
  // xdg-open can fall back on mailcap which eventually might plumb through
  // to a command that needs a terminal.  Set the environment variable telling
  // it that we definitely don't have a terminal available and that it should
  // bring up a new terminal if necessary.  See "man mailcap".
  env.push_back(std::make_pair("MM_NOTTTY", "1"));

  // In Google Chrome, we do not let GNOME's bug-buddy intercept our crashes.
  // However, we do not want this environment variable to propagate to external
  // applications. See http://crbug.com/24120
  char* disable_gnome_bug_buddy = getenv("GNOME_DISABLE_CRASH_DIALOG");
  if (disable_gnome_bug_buddy &&
      disable_gnome_bug_buddy == std::string("SET_BY_GOOGLE_CHROME")) {
    env.push_back(std::make_pair("GNOME_DISABLE_CRASH_DIALOG", ""));

  base::file_handle_mapping_vector no_files;
  base::ProcessHandle handle;
  if (base::LaunchApp(argv, env, no_files, false, &handle))

}  // namespace

namespace platform_util {

// TODO(estade): It would be nice to be able to select the file in the file
// manager, but that probably requires extending xdg-open. For now just
// show the folder.
void ShowItemInFolder(const FilePath& full_path) {
  FilePath dir = full_path.DirName();
  if (!file_util::DirectoryExists(dir))


void OpenItem(const FilePath& full_path) {

void OpenExternal(const GURL& url) {

gfx::NativeWindow GetTopLevel(gfx::NativeView view) {
  // A detached widget won't have a toplevel window as an ancestor, so we can't
  // assume that the query for toplevel will return a window.
  GtkWidget* toplevel = gtk_widget_get_ancestor(view, GTK_TYPE_WINDOW);
  return GTK_IS_WINDOW(toplevel) ? GTK_WINDOW(toplevel) : NULL;

bool IsWindowActive(gfx::NativeWindow window) {
  return gtk_window_is_active(window);

bool IsVisible(gfx::NativeView view) {
  return GTK_WIDGET_VISIBLE(view);

void SimpleErrorBox(gfx::NativeWindow parent,
                    const string16& title,
                    const string16& message) {
  GtkWidget* dialog = gtk_message_dialog_new(parent, GTK_DIALOG_MODAL,
      GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", UTF16ToUTF8(message).c_str());
  gtk_window_set_title(GTK_WINDOW(dialog), UTF16ToUTF8(title).c_str());

  g_signal_connect(dialog, "response", G_CALLBACK(gtk_widget_destroy), NULL);

  // Make sure it's big enough to show the title.
  GtkRequisition req;
  gtk_widget_size_request(dialog, &req);
  int width;
  gtk_util::GetWidgetSizeFromCharacters(dialog, title.length(), 0,
                                        &width, NULL);
  // The fudge factor accounts for extra space needed by the frame
  // decorations as well as width differences between average text and the
  // actual title text.
  width = width * 1.2 + 50;

  if (width > req.width)
    gtk_widget_set_size_request(dialog, width, -1);

/* Warning: this may be either Linux or ChromeOS */
string16 GetVersionStringModifier() {
  char* env = getenv("CHROME_VERSION_EXTRA");
  if (!env)
    return string16();
  std::string modifier(env);

  // Only ever return "", "unknown", "dev" or "beta" in a branded build.
  if (modifier == "unstable")  // linux version of "dev"
    modifier = "dev";
  if (modifier == "stable") {
    modifier = "";
  } else if ((modifier == "dev") || (modifier == "beta")) {
    // do nothing.
  } else {
    modifier = "unknown";

  return ASCIIToUTF16(modifier);

}  // namespace platform_util

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