// Copyright (c) 2011 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.
//
// Currently this file is only used for the uninstall prompt. The install prompt
// code is in extension_install_prompt2_gtk.cc.

#include <gtk/gtk.h>

#include "base/string_util.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/extensions/extension_uninstall_dialog.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/gtk/browser_window_gtk.h"
#include "chrome/browser/ui/gtk/gtk_util.h"
#include "chrome/common/extensions/extension.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/gtk_util.h"

class Profile;

namespace {

// Left or right margin.
const int kPanelHorizMargin = 13;

void OnResponse(GtkWidget* dialog, int response_id,
                ExtensionUninstallDialog::Delegate* delegate) {
  if (response_id == GTK_RESPONSE_ACCEPT)
    delegate->ExtensionDialogAccepted();
  else
    delegate->ExtensionDialogCanceled();

  gtk_widget_destroy(dialog);
}

void ShowUninstallDialogGtk(GtkWindow* parent,
                            SkBitmap* skia_icon,
                            const Extension* extension,
                            ExtensionUninstallDialog::Delegate *delegate) {
  // Build the dialog.
  GtkWidget* dialog = gtk_dialog_new_with_buttons(
      l10n_util::GetStringUTF8(IDS_EXTENSION_UNINSTALL_PROMPT_TITLE).c_str(),
      parent,
      GTK_DIALOG_MODAL,
      GTK_STOCK_CANCEL,
      GTK_RESPONSE_CLOSE,
      l10n_util::GetStringUTF8(IDS_EXTENSION_PROMPT_UNINSTALL_BUTTON).c_str(),
      GTK_RESPONSE_ACCEPT,
      NULL);
  gtk_dialog_set_has_separator(GTK_DIALOG(dialog), FALSE);

  // Create a two column layout.
  GtkWidget* content_area = GTK_DIALOG(dialog)->vbox;
  gtk_box_set_spacing(GTK_BOX(content_area), gtk_util::kContentAreaSpacing);

  GtkWidget* icon_hbox = gtk_hbox_new(FALSE, gtk_util::kContentAreaSpacing);
  gtk_box_pack_start(GTK_BOX(content_area), icon_hbox, TRUE, TRUE, 0);

  // Put Icon in the left column.
  GdkPixbuf* pixbuf = gfx::GdkPixbufFromSkBitmap(skia_icon);
  GtkWidget* icon = gtk_image_new_from_pixbuf(pixbuf);
  g_object_unref(pixbuf);
  gtk_box_pack_start(GTK_BOX(icon_hbox), icon, TRUE, TRUE, 0);

  // Create a new vbox for the right column.
  GtkWidget* right_column_area = gtk_vbox_new(FALSE, 0);
  gtk_box_pack_start(GTK_BOX(icon_hbox), right_column_area, TRUE, TRUE, 0);

  std::string heading_text = l10n_util::GetStringFUTF8(
      IDS_EXTENSION_UNINSTALL_PROMPT_HEADING, UTF8ToUTF16(extension->name()));
  GtkWidget* heading_label = gtk_label_new(heading_text.c_str());
  gtk_misc_set_alignment(GTK_MISC(heading_label), 0.0, 0.5);
  gtk_box_pack_start(GTK_BOX(right_column_area), heading_label, TRUE, TRUE, 0);

  g_signal_connect(dialog, "response", G_CALLBACK(OnResponse), delegate);
  gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
  gtk_widget_show_all(dialog);
}

}  // namespace

// static
void ExtensionUninstallDialog::Show(
    Profile* profile,
    ExtensionUninstallDialog::Delegate* delegate,
    const Extension* extension,
    SkBitmap* icon) {
  Browser* browser = BrowserList::GetLastActiveWithProfile(profile);
  if (!browser) {
    delegate->ExtensionDialogCanceled();
    return;
  }

  BrowserWindowGtk* browser_window = static_cast<BrowserWindowGtk*>(
      browser->window());
  if (!browser_window) {
    delegate->ExtensionDialogCanceled();
    return;
  }

  ShowUninstallDialogGtk(browser_window->window(), icon, extension, delegate);
}