Create an about dialog for GTK Chromium.

Review URL: http://codereview.chromium.org/93128

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@14462 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 157 insertions, 0 deletions

diff --git a/chrome/browser/gtk/about_chrome_dialog.cc b/chrome/browser/gtk/about_chrome_dialog.cc
new file mode 100644
index 0000000..8ec471ce
--- /dev/null
+++ b/chrome/browser/gtk/about_chrome_dialog.cc
@@ -0,0 +1,157 @@
+// 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/browser/gtk/about_chrome_dialog.h"
+
+#include <gtk/gtk.h>
+#include <wchar.h>
+
+#include "base/file_version_info.h"
+#include "base/gfx/gtk_util.h"
+#include "chrome/common/l10n_util.h"
+#include "chrome/common/resource_bundle.h"
+#include "chrome/common/chrome_constants.h"
+#include "chrome/browser/profile.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+#include "grit/locale_settings.h"
+#include "grit/theme_resources.h"
+#include "webkit/glue/webkit_glue.h"
+
+namespace {
+// The pixel width of the version text field. Ideally, we'd like to have the
+// bounds set to the edge of the icon. However, the icon is not a view but a
+// part of the background, so we have to hard code the width to make sure
+// the version field doesn't overlap it.
+const int kVersionFieldWidth = 195;
+
+// The URLs that you navigate to when clicking the links in the About dialog.
+const wchar_t* const kChromiumUrl = L"http://www.chromium.org/";
+const wchar_t* const kAcknowledgements = L"about:credits";
+const wchar_t* const kTOS = L"about:terms";
+
+// Left or right margin.
+const int kPanelHorizMargin = 13;
+
+// Top or bottom margin.
+const int kPanelVertMargin = 13;
+
+// These are used as placeholder text around the links in the text in the about
+// dialog.
+const wchar_t* kBeginLinkChr = L"BEGIN_LINK_CHR";
+const wchar_t* kBeginLinkOss = L"BEGIN_LINK_OSS";
+const wchar_t* kEndLinkChr = L"END_LINK_CHR";
+const wchar_t* kEndLinkOss = L"END_LINK_OSS";
+const wchar_t* kBeginLink = L"BEGIN_LINK";
+const wchar_t* kEndLink = L"END_LINK";
+
+void RemoveText(std::wstring* text, const wchar_t* to_remove) {
+  size_t start = text->find(to_remove, 0);
+  if (start != std::string::npos) {
+    size_t length =  wcslen(to_remove);
+    *text = text->substr(0, start) + text->substr(start + length);
+  }
+}
+
+void OnDialogResponse(GtkDialog* dialog, int response_id) {
+  // We're done.
+  gtk_widget_destroy(GTK_WIDGET(dialog));
+}
+
+GtkWidget* MakeMarkupLabel(const char* format, const std::wstring& str) {
+  GtkWidget* label = gtk_label_new(NULL);
+  char* markup = g_markup_printf_escaped(
+      format, WideToUTF8(str).c_str());
+  gtk_label_set_markup(GTK_LABEL(label), markup);
+  g_free(markup);
+
+  return label;
+}
+
+}  // namespace
+
+void ShowAboutDialogForProfile(GtkWindow* parent, Profile* profile) {
+  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+  static GdkPixbuf* background = rb.GetPixbufNamed(IDR_ABOUT_BACKGROUND);
+  scoped_ptr<FileVersionInfo> version_info(
+      FileVersionInfo::CreateFileVersionInfoForCurrentModule());
+  std::wstring current_version = version_info->file_version();
+#if !defined(GOOGLE_CHROME_BUILD)
+  current_version += L" (";
+  current_version += version_info->last_change();
+  current_version += L")";
+#endif
+
+  // Build the dialog.
+  GtkWidget* dialog = gtk_dialog_new_with_buttons(
+      l10n_util::GetStringUTF8(IDS_ABOUT_CHROME_TITLE).c_str(),
+      parent,
+      GTK_DIALOG_MODAL,
+      GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
+      NULL);
+
+  GtkWidget* content_area = GTK_DIALOG(dialog)->vbox;
+
+  // Use an event box to get the background painting correctly
+  GtkWidget* ebox = gtk_event_box_new();
+  gtk_widget_modify_bg(ebox, GTK_STATE_NORMAL, &gfx::kGdkWhite);
+
+  GtkWidget* hbox = gtk_hbox_new(FALSE, 0);
+
+  GtkWidget* text_alignment = gtk_alignment_new(0.0, 0.0, 1.0, 1.0);
+  gtk_alignment_set_padding(GTK_ALIGNMENT(text_alignment),
+                            kPanelVertMargin, kPanelVertMargin,
+                            kPanelHorizMargin, kPanelHorizMargin);
+
+  GtkWidget* text_vbox = gtk_vbox_new(FALSE, 0);
+
+  GtkWidget* product_label = MakeMarkupLabel(
+      "<span font_desc=\"18\" weight=\"bold\" style=\"normal\">%s</span>",
+      l10n_util::GetString(IDS_PRODUCT_NAME));
+  gtk_box_pack_start(GTK_BOX(text_vbox), product_label, FALSE, FALSE, 0);
+
+  GtkWidget* version_label = MakeMarkupLabel(
+      "<span style=\"italic\">%s</span>",
+      current_version);
+  gtk_label_set_selectable(GTK_LABEL(version_label), TRUE);
+  gtk_box_pack_start(GTK_BOX(text_vbox), version_label, FALSE, FALSE, 0);
+
+  gtk_container_add(GTK_CONTAINER(text_alignment), text_vbox);
+  gtk_box_pack_start(GTK_BOX(hbox), text_alignment, TRUE, FALSE, 0);
+
+  GtkWidget* image_vbox = gtk_vbox_new(FALSE, 0);
+  gtk_box_pack_end(GTK_BOX(image_vbox),
+                   gtk_image_new_from_pixbuf(background),
+                   FALSE, FALSE, 0);
+
+  gtk_box_pack_start(GTK_BOX(hbox), image_vbox, FALSE, FALSE, 0);
+  gtk_container_add(GTK_CONTAINER(ebox), hbox);
+  gtk_box_pack_start(GTK_BOX(content_area), ebox, TRUE, TRUE, 0);
+
+  GtkWidget* copyright_label = MakeMarkupLabel(
+      "<span size=\"smaller\">%s</span>",
+      l10n_util::GetString(IDS_ABOUT_VERSION_COPYRIGHT));
+  gtk_box_pack_start(GTK_BOX(content_area), copyright_label, TRUE, TRUE, 5);
+
+  // TODO(erg): Figure out how to really insert links. We could just depend on
+  // (or include the source of) libsexy's SexyUrlLabel gtk widget...
+  std::wstring license = l10n_util::GetString(IDS_ABOUT_VERSION_LICENSE);
+  RemoveText(&license, kBeginLinkChr);
+  RemoveText(&license, kBeginLinkOss);
+  RemoveText(&license, kBeginLink);
+  RemoveText(&license, kEndLinkChr);
+  RemoveText(&license, kEndLinkOss);
+  RemoveText(&license, kEndLink);
+
+  GtkWidget* license_label = MakeMarkupLabel(
+      "<span size=\"smaller\">%s</span>", license);
+
+  gtk_label_set_line_wrap(GTK_LABEL(license_label), TRUE);
+  gtk_misc_set_alignment(GTK_MISC(license_label), 0, 0);
+  gtk_box_pack_start(GTK_BOX(content_area), license_label, TRUE, TRUE, 0);
+
+  g_signal_connect(dialog, "response", G_CALLBACK(OnDialogResponse), NULL);
+  gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
+  gtk_widget_show_all(dialog);
+}