Changing linux platform for chromeos.

chrome/browser/platform_util_common_linux.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/browser/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 "gfx/native_widget_types.h"
+#include "googleurl/src/gurl.h"
+
+namespace platform_util {
+
+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_util::ApplyMessageDialogQuirks(dialog);
+  gtk_window_set_title(GTK_WINDOW(dialog), UTF16ToUTF8(title).c_str());
+
+  g_signal_connect(dialog, "response", G_CALLBACK(gtk_widget_destroy), NULL);
+  gtk_widget_show_all(dialog);
+
+  // 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);
+
+#if defined(GOOGLE_CHROME_BUILD)
+  // 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";
+  }
+#endif
+
+  return ASCIIToUTF16(modifier);
+}
+
+}  // namespace platform_util