// 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/one_click_signin_bubble_gtk.h"

#include <gtk/gtk.h>

#include "base/callback_helpers.h"
#include "base/i18n/rtl.h"
#include "base/logging.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/gtk/browser_toolbar_gtk.h"
#include "chrome/browser/ui/gtk/browser_window_gtk.h"
#include "chrome/browser/ui/gtk/gtk_theme_service.h"
#include "chrome/browser/ui/gtk/gtk_util.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "ui/base/gtk/gtk_hig_constants.h"
#include "ui/base/l10n/l10n_util.h"

OneClickSigninBubbleGtk::OneClickSigninBubbleGtk(
    BrowserWindowGtk* browser_window_gtk,
    const BrowserWindow::StartSyncCallback& start_sync_callback)
    : bubble_(NULL),
      start_sync_callback_(start_sync_callback) {

  // Setup the BubbleGtk content.
  GtkWidget* bubble_content = gtk_vbox_new(FALSE, 0);
  gtk_container_set_border_width(GTK_CONTAINER(bubble_content),
                                 ui::kContentAreaBorder);

  // Message.
  GtkWidget* message_label = gtk_label_new(
      l10n_util::GetStringUTF8(IDS_ONE_CLICK_SIGNIN_BUBBLE_MESSAGE).c_str());
  gtk_label_set_line_wrap(GTK_LABEL(message_label), TRUE);
  gtk_misc_set_alignment(GTK_MISC(message_label), 0.0, 0.5);
  gtk_box_pack_start(GTK_BOX(bubble_content), message_label, FALSE, FALSE, 0);

  GtkThemeService* const theme_provider = GtkThemeService::GetFrom(
      browser_window_gtk->browser()->profile());

  GtkWidget* bottom_line = gtk_hbox_new(FALSE, ui::kControlSpacing);
  gtk_box_pack_start(GTK_BOX(bubble_content),
                     bottom_line, FALSE, FALSE, 0);

  // Advanced link.
  GtkWidget* advanced_link = theme_provider->BuildChromeLinkButton(
      l10n_util::GetStringUTF8(IDS_SYNC_PROMO_NTP_BUBBLE_ADVANCED));
  g_signal_connect(advanced_link, "clicked",
                   G_CALLBACK(OnClickAdvancedLinkThunk), this);
  gtk_box_pack_start(GTK_BOX(bottom_line),
                     advanced_link, FALSE, FALSE, 0);

  // Make the OK and Undo buttons the same size horizontally.
  GtkSizeGroup* size_group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);

  // OK Button.
  GtkWidget* ok_button = gtk_button_new_with_label(
      l10n_util::GetStringUTF8(IDS_OK).c_str());
  g_signal_connect(ok_button, "clicked",
                   G_CALLBACK(OnClickOKThunk), this);
  gtk_size_group_add_widget(size_group, ok_button);
  gtk_box_pack_end(GTK_BOX(bottom_line),
                   ok_button, FALSE, FALSE, 0);

  // Undo Button.
  GtkWidget* undo_button = gtk_button_new_with_label(
      l10n_util::GetStringUTF8(IDS_ONE_CLICK_BUBBLE_UNDO).c_str());
  g_signal_connect(undo_button, "clicked",
                   G_CALLBACK(OnClickUndoThunk), this);
  gtk_size_group_add_widget(size_group, undo_button);
  gtk_box_pack_end(GTK_BOX(bottom_line),
                   undo_button, FALSE, FALSE, 0);

  g_object_unref(size_group);

  GtkWidget* const app_menu_widget =
      browser_window_gtk->GetToolbar()->GetAppMenuButton();
  gfx::Rect bounds = gtk_util::WidgetBounds(app_menu_widget);
  BubbleGtk::ArrowLocationGtk arrow_location = base::i18n::IsRTL() ?
      BubbleGtk::ARROW_LOCATION_TOP_LEFT : BubbleGtk::ARROW_LOCATION_TOP_RIGHT;
  bubble_ =
      BubbleGtk::Show(app_menu_widget, &bounds, bubble_content,
                      arrow_location,
                      BubbleGtk::MATCH_SYSTEM_THEME |
                          BubbleGtk::POPUP_WINDOW |
                          BubbleGtk::GRAB_INPUT,
                      theme_provider, this);
  gtk_widget_grab_focus(ok_button);
}

void OneClickSigninBubbleGtk::BubbleClosing(
    BubbleGtk* bubble, bool closed_by_escape) {
  if (!start_sync_callback_.is_null()) {
    base::ResetAndReturn(&start_sync_callback_).Run(
        OneClickSigninSyncStarter::SYNC_WITH_DEFAULT_SETTINGS);
  }
  delete this;
}

void OneClickSigninBubbleGtk::OnClickAdvancedLink(GtkWidget* link) {
  base::ResetAndReturn(&start_sync_callback_).Run(
      OneClickSigninSyncStarter::CONFIGURE_SYNC_FIRST);
  bubble_->Close();
}

void OneClickSigninBubbleGtk::OnClickOK(GtkWidget* link) {
  base::ResetAndReturn(&start_sync_callback_).Run(
      OneClickSigninSyncStarter::SYNC_WITH_DEFAULT_SETTINGS);
  bubble_->Close();
}

void OneClickSigninBubbleGtk::OnClickUndo(GtkWidget* link) {
  start_sync_callback_.Reset();
  bubble_->Close();
}

OneClickSigninBubbleGtk::~OneClickSigninBubbleGtk() {
}