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bookmark_bubble_gtk.cc

// Copyright (c) 2010 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/gtk/bookmark_bubble_gtk.h"

#include <gtk/gtk.h>

#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "base/basictypes.h"
#include "base/i18n/rtl.h"
#include "base/logging.h"
#include "base/message_loop.h"
#include "chrome/browser/bookmarks/bookmark_editor.h"
#include "chrome/browser/bookmarks/bookmark_model.h"
#include "chrome/browser/bookmarks/bookmark_utils.h"
#include "chrome/browser/bookmarks/recently_used_folders_combo_model.h"
#include "chrome/browser/gtk/gtk_chrome_link_button.h"
#include "chrome/browser/gtk/gtk_theme_provider.h"
#include "chrome/browser/gtk/gtk_util.h"
#include "chrome/browser/gtk/info_bubble_gtk.h"
#include "chrome/browser/metrics/user_metrics.h"
#include "chrome/browser/profile.h"
#include "chrome/common/notification_service.h"
#include "gfx/gtk_util.h"
#include "grit/generated_resources.h"

namespace {

// We basically have a singleton, since a bubble is sort of app-modal.  This
// keeps track of the currently open bubble, or NULL if none is open.
BookmarkBubbleGtk* g_bubble = NULL;

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


}  // namespace

// static
void BookmarkBubbleGtk::Show(GtkWidget* anchor,
                             Profile* profile,
                             const GURL& url,
                             bool newly_bookmarked) {
  DCHECK(!g_bubble);
  g_bubble = new BookmarkBubbleGtk(anchor, profile, url, newly_bookmarked);
}

void BookmarkBubbleGtk::InfoBubbleClosing(InfoBubbleGtk* info_bubble,
                                          bool closed_by_escape) {
  if (closed_by_escape) {
    remove_bookmark_ = newly_bookmarked_;
    apply_edits_ = false;
  }

  NotificationService::current()->Notify(
      NotificationType::BOOKMARK_BUBBLE_HIDDEN,
      Source<Profile>(profile_->GetOriginalProfile()),
      NotificationService::NoDetails());
}

void BookmarkBubbleGtk::Observe(NotificationType type,
                                const NotificationSource& source,
                                const NotificationDetails& details) {
  DCHECK(type == NotificationType::BROWSER_THEME_CHANGED);

  gtk_chrome_link_button_set_use_gtk_theme(
      GTK_CHROME_LINK_BUTTON(remove_button_),
      theme_provider_->UseGtkTheme());

  if (theme_provider_->UseGtkTheme()) {
    for (std::vector<GtkWidget*>::iterator it = labels_.begin();
         it != labels_.end(); ++it) {
      gtk_widget_modify_fg(*it, GTK_STATE_NORMAL, NULL);
    }
  } else {
    for (std::vector<GtkWidget*>::iterator it = labels_.begin();
         it != labels_.end(); ++it) {
      gtk_widget_modify_fg(*it, GTK_STATE_NORMAL, &gfx::kGdkBlack);
    }
  }
}

BookmarkBubbleGtk::BookmarkBubbleGtk(GtkWidget* anchor,
                                     Profile* profile,
                                     const GURL& url,
                                     bool newly_bookmarked)
    : url_(url),
      profile_(profile),
      theme_provider_(GtkThemeProvider::GetFrom(profile_)),
      anchor_(anchor),
      content_(NULL),
      name_entry_(NULL),
      folder_combo_(NULL),
      bubble_(NULL),
      factory_(this),
      newly_bookmarked_(newly_bookmarked),
      apply_edits_(true),
      remove_bookmark_(false) {
  GtkWidget* label = gtk_label_new(l10n_util::GetStringUTF8(
      newly_bookmarked_ ? IDS_BOOMARK_BUBBLE_PAGE_BOOKMARKED :
                          IDS_BOOMARK_BUBBLE_PAGE_BOOKMARK).c_str());
  labels_.push_back(label);
  remove_button_ = gtk_chrome_link_button_new(
      l10n_util::GetStringUTF8(IDS_BOOMARK_BUBBLE_REMOVE_BOOKMARK).c_str());
  GtkWidget* edit_button = gtk_button_new_with_label(
      l10n_util::GetStringUTF8(IDS_BOOMARK_BUBBLE_OPTIONS).c_str());
  GtkWidget* close_button = gtk_button_new_with_label(
      l10n_util::GetStringUTF8(IDS_DONE).c_str());

  // Our content is arranged in 3 rows.  |top| contains a left justified
  // message, and a right justified remove link button.  |table| is the middle
  // portion with the name entry and the folder combo.  |bottom| is the final
  // row with a spacer, and the edit... and close buttons on the right.
  GtkWidget* content = gtk_vbox_new(FALSE, 5);
  gtk_container_set_border_width(GTK_CONTAINER(content), kContentBorder);
  GtkWidget* top = gtk_hbox_new(FALSE, 0);

  gtk_misc_set_alignment(GTK_MISC(label), 0, 1);
  gtk_box_pack_start(GTK_BOX(top), label,
                     TRUE, TRUE, 0);
  gtk_box_pack_start(GTK_BOX(top), remove_button_,
                     FALSE, FALSE, 0);

  folder_combo_ = gtk_combo_box_new_text();
  InitFolderComboModel();

  // Create the edit entry for updating the bookmark name / title.
  name_entry_ = gtk_entry_new();
  gtk_entry_set_text(GTK_ENTRY(name_entry_), GetTitle().c_str());

  // We use a table to allow the labels to line up with each other, along
  // with the entry and folder combo lining up.
  GtkWidget* table = gtk_util::CreateLabeledControlsGroup(
      &labels_,
      l10n_util::GetStringUTF8(IDS_BOOMARK_BUBBLE_TITLE_TEXT).c_str(),
      name_entry_,
      l10n_util::GetStringUTF8(IDS_BOOMARK_BUBBLE_FOLDER_TEXT).c_str(),
      folder_combo_,
      NULL);

  GtkWidget* bottom = gtk_hbox_new(FALSE, 0);
  // We want the buttons on the right, so just use an expanding label to fill
  // all of the extra space on the right.
  gtk_box_pack_start(GTK_BOX(bottom), gtk_label_new(""),
                     TRUE, TRUE, 0);
  gtk_box_pack_start(GTK_BOX(bottom), edit_button,
                     FALSE, FALSE, 4);
  gtk_box_pack_start(GTK_BOX(bottom), close_button,
                     FALSE, FALSE, 0);

  gtk_box_pack_start(GTK_BOX(content), top, TRUE, TRUE, 0);
  gtk_box_pack_start(GTK_BOX(content), table, TRUE, TRUE, 0);
  gtk_box_pack_start(GTK_BOX(content), bottom, TRUE, TRUE, 0);
  // We want the focus to start on the entry, not on the remove button.
  gtk_container_set_focus_child(GTK_CONTAINER(content), table);

  InfoBubbleGtk::ArrowLocationGtk arrow_location =
      base::i18n::IsRTL() ?
      InfoBubbleGtk::ARROW_LOCATION_TOP_LEFT :
      InfoBubbleGtk::ARROW_LOCATION_TOP_RIGHT;
  bubble_ = InfoBubbleGtk::Show(anchor_,
                                NULL,
                                content,
                                arrow_location,
                                true,  // match_system_theme
                                true,  // grab_input
                                theme_provider_,
                                this);  // delegate
  if (!bubble_) {
    NOTREACHED();
    return;
  }

  g_signal_connect(content, "destroy",
                   G_CALLBACK(&OnDestroyThunk), this);
  g_signal_connect(name_entry_, "activate",
                   G_CALLBACK(&OnNameActivateThunk), this);
  g_signal_connect(folder_combo_, "changed",
                   G_CALLBACK(&OnFolderChangedThunk), this);
  g_signal_connect(folder_combo_, "notify::popup-shown",
                   G_CALLBACK(&OnFolderPopupShownThunk), this);
  g_signal_connect(edit_button, "clicked",
                   G_CALLBACK(&OnEditClickedThunk), this);
  g_signal_connect(close_button, "clicked",
                   G_CALLBACK(&OnCloseClickedThunk), this);
  g_signal_connect(remove_button_, "clicked",
                   G_CALLBACK(&OnRemoveClickedThunk), this);

  registrar_.Add(this, NotificationType::BROWSER_THEME_CHANGED,
                 NotificationService::AllSources());
  theme_provider_->InitThemesFor(this);
}

BookmarkBubbleGtk::~BookmarkBubbleGtk() {
  DCHECK(!content_);  // |content_| should have already been destroyed.

  DCHECK(g_bubble);
  g_bubble = NULL;

  if (apply_edits_) {
    ApplyEdits();
  } else if (remove_bookmark_) {
    BookmarkModel* model = profile_->GetBookmarkModel();
    const BookmarkNode* node = model->GetMostRecentlyAddedNodeForURL(url_);
    if (node)
      model->Remove(node->GetParent(), node->GetParent()->IndexOfChild(node));
  }
}

void BookmarkBubbleGtk::OnDestroy(GtkWidget* widget) {
  // We are self deleting, we have a destroy signal setup to catch when we
  // destroyed (via the InfoBubble being destroyed), and delete ourself.
  content_ = NULL;  // We are being destroyed.
  delete this;
}

void BookmarkBubbleGtk::OnNameActivate(GtkWidget* widget) {
  bubble_->Close();
}

void BookmarkBubbleGtk::OnFolderChanged(GtkWidget* widget) {
  int index = gtk_combo_box_get_active(GTK_COMBO_BOX(folder_combo_));
  if (index == folder_combo_model_->GetItemCount() - 1) {
    UserMetrics::RecordAction(
        UserMetricsAction("BookmarkBubble_EditFromCombobox"), profile_);
    // GTK doesn't handle having the combo box destroyed from the changed
    // signal.  Since showing the editor also closes the bubble, delay this
    // so that GTK can unwind.  Specifically gtk_menu_shell_button_release
    // will run, and we need to keep the combo box alive until then.
    MessageLoop::current()->PostTask(FROM_HERE,
        factory_.NewRunnableMethod(&BookmarkBubbleGtk::ShowEditor));
  }
}

void BookmarkBubbleGtk::OnFolderPopupShown(GtkWidget* widget,
                                           GParamSpec* property) {
  // GtkComboBox grabs the keyboard and pointer when it displays its popup,
  // which steals the grabs that InfoBubbleGtk had installed.  When the popup is
  // hidden, we notify InfoBubbleGtk so it can try to reacquire the grabs
  // (otherwise, GTK won't activate our widgets when the user clicks in them).
  gboolean popup_shown = FALSE;
  g_object_get(G_OBJECT(folder_combo_), "popup-shown", &popup_shown, NULL);
  if (!popup_shown)
    bubble_->HandlePointerAndKeyboardUngrabbedByContent();
}

void BookmarkBubbleGtk::OnEditClicked(GtkWidget* widget) {
  UserMetrics::RecordAction(UserMetricsAction("BookmarkBubble_Edit"),
                            profile_);
  ShowEditor();
}

void BookmarkBubbleGtk::OnCloseClicked(GtkWidget* widget) {
  bubble_->Close();
}

void BookmarkBubbleGtk::OnRemoveClicked(GtkWidget* widget) {
  UserMetrics::RecordAction(UserMetricsAction("BookmarkBubble_Unstar"),
                            profile_);

  apply_edits_ = false;
  remove_bookmark_ = true;
  bubble_->Close();
}

void BookmarkBubbleGtk::ApplyEdits() {
  // Set this to make sure we don't attempt to apply edits again.
  apply_edits_ = false;

  BookmarkModel* model = profile_->GetBookmarkModel();
  const BookmarkNode* node = model->GetMostRecentlyAddedNodeForURL(url_);
  if (node) {
    // NOTE: Would be nice to save a strlen and use gtk_entry_get_text_length,
    // but it is fairly new and not always in our GTK version.
    const std::wstring new_title(
        UTF8ToWide(gtk_entry_get_text(GTK_ENTRY(name_entry_))));

    if (new_title != node->GetTitle()) {
      model->SetTitle(node, new_title);
      UserMetrics::RecordAction(
          UserMetricsAction("BookmarkBubble_ChangeTitleInBubble"),
          profile_);
    }

    int index = gtk_combo_box_get_active(GTK_COMBO_BOX(folder_combo_));

    // Last index means 'Choose another folder...'
    if (index < folder_combo_model_->GetItemCount() - 1) {
      const BookmarkNode* new_parent = folder_combo_model_->GetNodeAt(index);
      if (new_parent != node->GetParent()) {
        UserMetrics::RecordAction(
            UserMetricsAction("BookmarkBubble_ChangeParent"), profile_);
        model->Move(node, new_parent, new_parent->GetChildCount());
      }
    }
  }
}

std::string BookmarkBubbleGtk::GetTitle() {
  BookmarkModel* bookmark_model= profile_->GetBookmarkModel();
  const BookmarkNode* node =
      bookmark_model->GetMostRecentlyAddedNodeForURL(url_);
  if (!node) {
    NOTREACHED();
    return std::string();
  }

  return WideToUTF8(node->GetTitle());
}

void BookmarkBubbleGtk::ShowEditor() {
  const BookmarkNode* node =
      profile_->GetBookmarkModel()->GetMostRecentlyAddedNodeForURL(url_);

  // Commit any edits now.
  ApplyEdits();

  // Closing might delete us, so we'll cache what we need on the stack.
  Profile* profile = profile_;
  GtkWindow* toplevel = GTK_WINDOW(gtk_widget_get_toplevel(anchor_));

  // Close the bubble, deleting the C++ objects, etc.
  bubble_->Close();

  if (node) {
    BookmarkEditor::Show(toplevel, profile, NULL,
                         BookmarkEditor::EditDetails(node),
                         BookmarkEditor::SHOW_TREE);
  }
}

void BookmarkBubbleGtk::InitFolderComboModel() {
  folder_combo_model_.reset(new RecentlyUsedFoldersComboModel(
      profile_->GetBookmarkModel(),
      profile_->GetBookmarkModel()->GetMostRecentlyAddedNodeForURL(url_)));

  // We always have nodes + 1 entries in the combo.  The last entry will be
  // the 'Select another folder...' entry that opens the bookmark editor.
  for (int i = 0; i < folder_combo_model_->GetItemCount(); ++i) {
    gtk_combo_box_append_text(GTK_COMBO_BOX(folder_combo_),
        WideToUTF8(folder_combo_model_->GetItemAt(i)).c_str());
  }

  gtk_combo_box_set_active(GTK_COMBO_BOX(folder_combo_),
                           folder_combo_model_->node_parent_index());
}

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