// 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/first_run_bubble.h"

#include <gtk/gtk.h>

#include "base/i18n/rtl.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/search_engines/util.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/gtk/gtk_theme_service.h"
#include "grit/generated_resources.h"
#include "ui/base/gtk/gtk_hig_constants.h"
#include "ui/base/l10n/l10n_util.h"

namespace {
// Markup for the text of the Omnibox search label
const char kSearchLabelMarkup[] = "<big><b>%s</b></big>";

// Padding between content and edge of bubble.
const int kContentBorder = 7;

// Vertical spacing between labels.
const int kInterLineSpacing = 5;

}  // namespace

// static
void FirstRunBubble::Show(Profile* profile,
                          GtkWidget* anchor,
                          const gfx::Rect& rect) {
  new FirstRunBubble(profile, anchor, rect);
}

void FirstRunBubble::BubbleClosing(BubbleGtk* bubble, bool closed_by_escape) {
  // TODO(port): Enable parent window
}

FirstRunBubble::FirstRunBubble(Profile* profile,
                               GtkWidget* anchor,
                               const gfx::Rect& rect)
    : profile_(profile),
      bubble_(NULL) {
  GtkThemeService* theme_service = GtkThemeService::GetFrom(profile_);
  GtkWidget* title = theme_service->BuildLabel("", ui::kGdkBlack);
  char* markup = g_markup_printf_escaped(kSearchLabelMarkup,
      l10n_util::GetStringFUTF8(IDS_FR_BUBBLE_TITLE,
          GetDefaultSearchEngineName(profile_)).c_str());
  gtk_label_set_markup(GTK_LABEL(title), markup);
  g_free(markup);

  GtkWidget* change = theme_service->BuildChromeLinkButton(
      l10n_util::GetStringUTF8(IDS_FR_BUBBLE_CHANGE));
  g_signal_connect(change, "clicked", G_CALLBACK(&HandleChangeLinkThunk), this);

  GtkWidget* subtext = theme_service->BuildLabel(
      l10n_util::GetStringUTF8(IDS_FR_BUBBLE_SUBTEXT), ui::kGdkBlack);

  GtkWidget* top_line = gtk_hbox_new(FALSE, kContentBorder);
  gtk_box_pack_start(GTK_BOX(top_line), title, FALSE, FALSE, 0);
  gtk_box_pack_start(GTK_BOX(top_line), change, FALSE, FALSE, 0);

  GtkWidget* content = gtk_vbox_new(FALSE, kInterLineSpacing);
  gtk_container_set_border_width(GTK_CONTAINER(content), kContentBorder);
  g_signal_connect(content, "destroy", G_CALLBACK(&HandleDestroyThunk), this);
  gtk_box_pack_start(GTK_BOX(content), top_line, FALSE, FALSE, 0);
  gtk_box_pack_start(GTK_BOX(content), subtext, FALSE, FALSE, 0);

  BubbleGtk::ArrowLocationGtk arrow_location = !base::i18n::IsRTL() ?
      BubbleGtk::ARROW_LOCATION_TOP_LEFT : BubbleGtk::ARROW_LOCATION_TOP_RIGHT;
  bubble_ = BubbleGtk::Show(anchor, &rect, content, arrow_location,
      true /*match_system_theme*/, true /*grab_input*/, theme_service, this);
  DCHECK(bubble_);
}

FirstRunBubble::~FirstRunBubble() {
}

void FirstRunBubble::HandleDestroy(GtkWidget* sender) {
  delete this;
}

void FirstRunBubble::HandleChangeLink(GtkWidget* sender) {
  // Get |profile_|'s browser before closing the bubble, which deletes |this|.
  Browser* browser = BrowserList::GetLastActiveWithProfile(profile_);
  bubble_->Close();
  if (browser)
    browser->OpenSearchEngineOptionsDialog();
}