Media galleries: configuration dialog controller and GTK impl.

chrome/browser/ui/gtk/extensions/media_galleries_dialog_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/extensions/media_galleries_dialog_gtk.h"
+
+#include "base/auto_reset.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/media_gallery/media_galleries_preferences.h"
+#include "chrome/browser/ui/gtk/gtk_util.h"
+#include "grit/generated_resources.h"
+#include "ui/base/gtk/gtk_hig_constants.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace chrome {
+
+typedef MediaGalleriesDialogController::KnownGalleryPermissions
+    GalleryPermissions;
+
+MediaGalleriesDialogGtk::MediaGalleriesDialogGtk(
+    MediaGalleriesDialogController* controller)
+      : controller_(controller),
+        window_(NULL),
+        confirm_(NULL),
+        checkbox_container_(NULL),
+        ignore_toggles_(false),
+        accepted_(false) {
+  InitWidgets();
+  window_ = new ConstrainedWindowGtk(controller->tab_contents(), this);
+}
+
+void MediaGalleriesDialogGtk::InitWidgets() {
+  contents_.Own(gtk_vbox_new(FALSE, ui::kContentAreaSpacing));
+
+  GtkWidget* header =
+      gtk_util::CreateBoldLabel(UTF16ToUTF8(controller_->GetHeader()));
+  gtk_box_pack_start(GTK_BOX(contents_.get()), header, FALSE, FALSE, 0);
+
+  GtkWidget* subtext =
+      gtk_label_new(UTF16ToUTF8(controller_->GetSubtext()).c_str());
+  gtk_label_set_line_wrap(GTK_LABEL(subtext), TRUE);
+  gtk_widget_set_size_request(subtext, 500, -1);
+  gtk_box_pack_start(GTK_BOX(contents_.get()), subtext, FALSE, FALSE, 0);
+
+  checkbox_container_ = gtk_vbox_new(FALSE, 0);
+  gtk_box_pack_start(GTK_BOX(contents_.get()), checkbox_container_,
+                     FALSE, FALSE, 0);
+
+  // As a safeguard against the user skipping reading over the dialog and just
+  // confirming, the button will be unavailable for dialogs without any checks
+  // until the user toggles something.
+  bool confirm_available = false;
+  const GalleryPermissions& permissions = controller_->permissions();
+  for (GalleryPermissions::const_iterator iter = permissions.begin();
+       iter != permissions.end(); iter++) {
+    confirm_available = confirm_available || iter->second.allowed;
+    UpdateGallery(&iter->second.pref_info, iter->second.allowed);
+  }
+
+  // Holds the "add gallery" and cancel/confirm buttons.
+  GtkWidget* bottom_area = gtk_hbox_new(FALSE, ui::kControlSpacing);
+  gtk_box_pack_start(GTK_BOX(contents_.get()), bottom_area, FALSE, FALSE, 0);
+
+  // Add gallery button.
+  GtkWidget* add_folder = gtk_button_new_with_label(
+      l10n_util::GetStringUTF8(IDS_MEDIA_GALLERIES_DIALOG_ADD_GALLERY).c_str());
+  g_signal_connect(add_folder, "clicked", G_CALLBACK(OnAddFolderThunk), this);
+  gtk_box_pack_start(GTK_BOX(bottom_area), add_folder, FALSE, FALSE, 0);
+
+  // Confirm/cancel button.
+  confirm_ = gtk_button_new_with_label(l10n_util::GetStringUTF8(
+      IDS_MEDIA_GALLERIES_DIALOG_CONFIRM).c_str());
+  gtk_button_set_image(
+      GTK_BUTTON(confirm_),
+      gtk_image_new_from_stock(GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON));
+  g_signal_connect(confirm_, "clicked", G_CALLBACK(OnConfirmThunk), this);
+  gtk_box_pack_end(GTK_BOX(bottom_area), confirm_, FALSE, FALSE, 0);
+
+  GtkWidget* cancel = gtk_button_new_with_label(l10n_util::GetStringUTF8(
+      IDS_MEDIA_GALLERIES_DIALOG_CANCEL).c_str());
+  gtk_button_set_image(
+      GTK_BUTTON(cancel),
+      gtk_image_new_from_stock(GTK_STOCK_CANCEL, GTK_ICON_SIZE_BUTTON));
+  g_signal_connect(cancel, "clicked", G_CALLBACK(OnCancelThunk), this);
+  gtk_box_pack_end(GTK_BOX(bottom_area), cancel, FALSE, FALSE, 0);
+
+  gtk_widget_set_sensitive(confirm_, confirm_available);
+}
+
+void MediaGalleriesDialogGtk::UpdateGallery(
+    const MediaGalleryPrefInfo* gallery,
+    bool permitted) {
+  CheckboxMap::iterator iter = checkbox_map_.find(gallery);
+
+  GtkWidget* widget = NULL;
+  if (iter != checkbox_map_.end()) {
+    widget = iter->second;
+  } else {
+    widget = gtk_check_button_new_with_label(
+        UTF16ToUTF8(gallery->display_name).c_str());
+    g_signal_connect(widget, "toggled", G_CALLBACK(OnToggledThunk), this);
+    gtk_box_pack_start(GTK_BOX(checkbox_container_), widget, FALSE, FALSE, 0);
+    gtk_widget_show(widget);
+    checkbox_map_[gallery] = widget;
+  }
+
+  AutoReset<bool> reset(&ignore_toggles_, true);
+  gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), permitted);
+}
+
+GtkWidget* MediaGalleriesDialogGtk::GetWidgetRoot() OVERRIDE {
+  return contents_.get();
+}
+
+GtkWidget* MediaGalleriesDialogGtk::GetFocusWidget() OVERRIDE {
+  return confirm_;
+}
+
+void MediaGalleriesDialogGtk::DeleteDelegate() OVERRIDE {
+  controller_->DialogFinished(accepted_);
+}
+
+void MediaGalleriesDialogGtk::OnToggled(GtkWidget* widget) OVERRIDE {
+  gtk_widget_set_sensitive(confirm_, TRUE);
+
+  if (ignore_toggles_)
+    return;
+
+  for (CheckboxMap::iterator iter = checkbox_map_.begin();
+       iter != checkbox_map_.end(); ++iter) {
+    if (iter->second == widget) {
+      controller_->GalleryToggled(
+          iter->first, gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)));
+      return;
+    }
+  }
+
+  NOTREACHED();
+  return;
+}
+
+void MediaGalleriesDialogGtk::OnAddFolder(GtkWidget* widget) OVERRIDE {
+  controller_->OnAddFolderClicked();
+}
+
+void MediaGalleriesDialogGtk::OnConfirm(GtkWidget* widget) OVERRIDE {
+  accepted_ = true;
+  window_->CloseConstrainedWindow();
+}
+
+void MediaGalleriesDialogGtk::OnCancel(GtkWidget* widget) OVERRIDE {
+  window_->CloseConstrainedWindow();
+}
+
+// MediaGalleriesDialogController ----------------------------------------------
+
+// static
+MediaGalleriesDialog* MediaGalleriesDialog::Create(
+    MediaGalleriesDialogController* controller) {
+  return new MediaGalleriesDialogGtk(controller);
+}
+
+}  // namespace chrome