platform_util_common_linux.cc revision 513209b27ff55e2841eac0e4120199c23acce758 
1// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/platform_util.h"
6
7#include <gtk/gtk.h>
8
9#include "base/file_util.h"
10#include "base/message_loop.h"
11#include "base/process_util.h"
12#include "base/string_util.h"
13#include "base/utf_string_conversions.h"
14#include "chrome/common/process_watcher.h"
15#include "chrome/browser/gtk/gtk_util.h"
16#include "gfx/native_widget_types.h"
17#include "googleurl/src/gurl.h"
18
19namespace {
20
21void SetDialogTitle(GtkWidget* dialog, const string16& title) {
22  gtk_window_set_title(GTK_WINDOW(dialog), UTF16ToUTF8(title).c_str());
23
24#if !defined(OS_CHROMEOS)
25  // The following code requires the dialog to be realized. However, we host
26  // dialog's content in a Chrome window without really realize the dialog
27  // on ChromeOS. Thus, skip the following code for ChromeOS.
28  gtk_widget_realize(dialog);
29
30  // Make sure it's big enough to show the title.
31  GtkRequisition req;
32  gtk_widget_size_request(dialog, &req);
33  int width;
34  gtk_util::GetWidgetSizeFromCharacters(dialog, title.length(), 0,
35                                        &width, NULL);
36  // The fudge factor accounts for extra space needed by the frame
37  // decorations as well as width differences between average text and the
38  // actual title text.
39  width = width * 1.2 + 50;
40
41  if (width > req.width)
42    gtk_widget_set_size_request(dialog, width, -1);
43#endif  // !defined(OS_CHROMEOS)
44}
45
46int g_dialog_response;
47
48void HandleOnResponseDialog(GtkWidget* widget,
49                            int response,
50                            void* user_data) {
51  g_dialog_response = response;
52  gtk_widget_destroy(widget);
53  MessageLoop::current()->QuitNow();
54}
55
56}  // namespace
57
58namespace platform_util {
59
60gfx::NativeWindow GetTopLevel(gfx::NativeView view) {
61  // A detached widget won't have a toplevel window as an ancestor, so we can't
62  // assume that the query for toplevel will return a window.
63  GtkWidget* toplevel = gtk_widget_get_ancestor(view, GTK_TYPE_WINDOW);
64  return GTK_IS_WINDOW(toplevel) ? GTK_WINDOW(toplevel) : NULL;
65}
66
67gfx::NativeView GetParent(gfx::NativeView view) {
68  return gtk_widget_get_parent(view);
69}
70
71bool IsWindowActive(gfx::NativeWindow window) {
72  return gtk_window_is_active(window);
73}
74
75void ActivateWindow(gfx::NativeWindow window) {
76  gtk_window_present(window);
77}
78
79bool IsVisible(gfx::NativeView view) {
80  return GTK_WIDGET_VISIBLE(view);
81}
82
83void SimpleErrorBox(gfx::NativeWindow parent,
84                    const string16& title,
85                    const string16& message) {
86  GtkWidget* dialog = gtk_message_dialog_new(parent, GTK_DIALOG_MODAL,
87      GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", UTF16ToUTF8(message).c_str());
88  gtk_util::ApplyMessageDialogQuirks(dialog);
89  SetDialogTitle(dialog, title);
90
91  g_signal_connect(dialog, "response", G_CALLBACK(gtk_widget_destroy), NULL);
92  gtk_util::ShowDialog(dialog);
93}
94
95bool SimpleYesNoBox(gfx::NativeWindow parent,
96                    const string16& title,
97                    const string16& message) {
98  GtkWidget* dialog = gtk_message_dialog_new(parent, GTK_DIALOG_MODAL,
99      GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO, "%s",
100      UTF16ToUTF8(message).c_str());
101  gtk_util::ApplyMessageDialogQuirks(dialog);
102  SetDialogTitle(dialog, title);
103
104  g_signal_connect(dialog,
105                   "response",
106                   G_CALLBACK(HandleOnResponseDialog),
107                   NULL);
108  gtk_util::ShowDialog(dialog);
109  // Not gtk_dialog_run as it prevents timers from running in the unit tests.
110  MessageLoop::current()->Run();
111  return g_dialog_response == GTK_RESPONSE_YES;
112}
113
114// Warning: this may be either Linux or ChromeOS.
115std::string GetVersionStringModifier() {
116  char* env = getenv("CHROME_VERSION_EXTRA");
117  if (!env)
118    return std::string();
119  std::string modifier(env);
120
121#if defined(GOOGLE_CHROME_BUILD)
122  // Only ever return "", "unknown", "dev" or "beta" in a branded build.
123  if (modifier == "unstable")  // linux version of "dev"
124    modifier = "dev";
125  if (modifier == "stable") {
126    modifier = "";
127  } else if ((modifier == "dev") || (modifier == "beta")) {
128    // do nothing.
129  } else {
130    modifier = "unknown";
131  }
132#endif
133
134  return modifier;
135}
136
137}  // namespace platform_util
138