Add a learn more link to password generation bubble to point to a help page.

chrome/browser/ui/gtk/password_generation_bubble_gtk.cc

 // Copyright (c) 2012 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/ui/gtk/password_generation_bubble_gtk.h"
 
 #include "base/utf_string_conversions.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/gtk/bubble/bubble_gtk.h"
+#include "chrome/browser/ui/gtk/gtk_chrome_link_button.h"
+#include "chrome/browser/ui/gtk/gtk_util.h"
 #include "chrome/browser/ui/gtk/theme_service_gtk.h"
 #include "chrome/common/autofill_messages.h"
+#include "chrome/common/url_constants.h"
 #include "content/public/browser/render_view_host.h"
+#include "content/public/browser/web_contents.h"
+#include "grit/generated_resources.h"
 #include "ui/base/gtk/gtk_hig_constants.h"
+#include "ui/base/l10n/l10n_util.h"
 
 const int kContentBorder = 4;
 const int kHorizontalSpacing = 4;
 
 PasswordGenerationBubbleGtk::PasswordGenerationBubbleGtk(
     const gfx::Rect& anchor_rect,
     GtkWidget* anchor_widget,
     Profile* profile,
     content::RenderViewHost* render_view_host)
-    : render_view_host_(render_view_host) {
+    : profile_(profile), render_view_host_(render_view_host) {
   // TODO(gcasto): Localize text after we have finalized the UI.
   // crbug.com/118062
   GtkWidget* content = gtk_vbox_new(FALSE, 5);
 
-  // We have two lines of content. The first is just the title,
+  // We have two lines of content. The first is the title and learn more link.
   GtkWidget* title_line = gtk_hbox_new(FALSE,  0);
   GtkWidget* title = gtk_label_new("Password Suggestion");
   gtk_box_pack_start(GTK_BOX(title_line), title, FALSE, FALSE, 0);
+  GtkWidget* learn_more_link = gtk_chrome_link_button_new(
+      l10n_util::GetStringUTF8(IDS_LEARN_MORE).c_str());
+  gtk_button_set_alignment(GTK_BUTTON(learn_more_link), 0.0, 0.5);
+  gtk_box_pack_start(GTK_BOX(title_line),
+                     gtk_util::IndentWidget(learn_more_link),
+                     FALSE, FALSE, 0);
 
   // The second contains the password in a text field and an accept button.
   GtkWidget* password_line = gtk_hbox_new(FALSE, kHorizontalSpacing);
   text_field_ = gtk_entry_new();
   gtk_entry_set_text(GTK_ENTRY(text_field_),
                      password_generator_.Generate().c_str());
   gtk_entry_set_max_length(GTK_ENTRY(text_field_), 15);
   GtkWidget* accept_button = gtk_button_new_with_label("Try It");
   gtk_box_pack_start(GTK_BOX(password_line), text_field_, TRUE, TRUE, 0);
   gtk_box_pack_start(GTK_BOX(password_line), accept_button, TRUE, TRUE, 0);
 
   gtk_container_set_border_width(GTK_CONTAINER(content), kContentBorder);
   gtk_box_pack_start(GTK_BOX(content), title_line, TRUE, TRUE, 0);
   gtk_box_pack_start(GTK_BOX(content), password_line, TRUE, TRUE, 0);
 
   bubble_ = BubbleGtk::Show(anchor_widget,
                             &anchor_rect,
                             content,
                             BubbleGtk::ARROW_LOCATION_TOP_LEFT,
                             true,  // match_system_theme
                             true,  // grab_input
-                            ThemeServiceGtk::GetFrom(profile),
+                            ThemeServiceGtk::GetFrom(profile_),
                             NULL);  // delegate
 
   g_signal_connect(content, "destroy",
                    G_CALLBACK(&OnDestroyThunk), this);
   g_signal_connect(accept_button, "clicked",
                    G_CALLBACK(&OnAcceptClickedThunk), this);
+  g_signal_connect(learn_more_link, "clicked",
+                   G_CALLBACK(OnLearnMoreLinkClickedThunk), this);
 }
 
 PasswordGenerationBubbleGtk::~PasswordGenerationBubbleGtk() {}
 
 void PasswordGenerationBubbleGtk::OnDestroy(GtkWidget* widget) {
   // We are self deleting, we have a destroy signal setup to catch when we are
   // destroyed (via the BubbleGtk being destroyed), and delete ourself.
   delete this;
 }
 
 void PasswordGenerationBubbleGtk::OnAcceptClicked(GtkWidget* widget) {
   render_view_host_->Send(new AutofillMsg_GeneratedPasswordAccepted(
       render_view_host_->GetRoutingID(),
       UTF8ToUTF16(gtk_entry_get_text(GTK_ENTRY(text_field_)))));
   bubble_->Close();
 }
+
+void PasswordGenerationBubbleGtk::OnLearnMoreLinkClicked(GtkButton* button) {
+  Browser* browser = BrowserList::GetLastActiveWithProfile(profile_);
+  content::OpenURLParams params(
+      GURL(chrome::kAutoPasswordGenerationLearnMoreURL), content::Referrer(),
+      NEW_FOREGROUND_TAB, content::PAGE_TRANSITION_LINK, false);
+  browser->OpenURL(params);
+  bubble_->Close();
+}