Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/back_forward_button_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/back_forward_button_gtk.h"
-
-#include <gtk/gtk.h>
-
-#include "base/bind.h"
-#include "base/message_loop/message_loop.h"
-#include "chrome/app/chrome_command_ids.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/browser_commands.h"
-#include "chrome/browser/ui/gtk/event_utils.h"
-#include "chrome/browser/ui/gtk/gtk_theme_service.h"
-#include "chrome/browser/ui/gtk/gtk_util.h"
-#include "chrome/browser/ui/gtk/menu_gtk.h"
-#include "chrome/browser/ui/toolbar/back_forward_menu_model.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-
-// The time in milliseconds between when the user clicks and the menu appears.
-static const int kMenuTimerDelay = 500;
-
-BackForwardButtonGtk::BackForwardButtonGtk(Browser* browser, bool is_forward)
-    : browser_(browser),
-      is_forward_(is_forward),
-      weak_factory_(this) {
-  int normal, pushed, hover, disabled, tooltip;
-  const char* stock;
-  if (is_forward) {
-    normal = IDR_FORWARD;
-    pushed = IDR_FORWARD_P;
-    hover = IDR_FORWARD_H;
-    disabled = IDR_FORWARD_D;
-    tooltip = IDS_TOOLTIP_FORWARD;
-    stock = GTK_STOCK_GO_FORWARD;
-  } else {
-    normal = IDR_BACK;
-    pushed = IDR_BACK_P;
-    hover = IDR_BACK_H;
-    disabled = IDR_BACK_D;
-    tooltip = IDS_TOOLTIP_BACK;
-    stock = GTK_STOCK_GO_BACK;
-  }
-  button_.reset(new CustomDrawButton(
-      GtkThemeService::GetFrom(browser_->profile()),
-      normal, pushed, hover, disabled, stock, GTK_ICON_SIZE_SMALL_TOOLBAR));
-  gtk_widget_set_tooltip_text(widget(),
-                              l10n_util::GetStringUTF8(tooltip).c_str());
-  menu_model_.reset(new BackForwardMenuModel(browser, is_forward ?
-      BackForwardMenuModel::FORWARD_MENU :
-      BackForwardMenuModel::BACKWARD_MENU));
-
-  g_signal_connect(widget(), "clicked",
-                   G_CALLBACK(OnClickThunk), this);
-  g_signal_connect(widget(), "button-press-event",
-                   G_CALLBACK(OnButtonPressThunk), this);
-  gtk_widget_add_events(widget(), GDK_POINTER_MOTION_MASK);
-  g_signal_connect(widget(), "motion-notify-event",
-                   G_CALLBACK(OnMouseMoveThunk), this);
-
-  // Popup the menu as left-aligned relative to this widget rather than the
-  // default of right aligned.
-  g_object_set_data(G_OBJECT(widget()), "left-align-popup",
-                    reinterpret_cast<void*>(true));
-
-  gtk_util::SetButtonTriggersNavigation(widget());
-}
-
-BackForwardButtonGtk::~BackForwardButtonGtk() {
-}
-
-void BackForwardButtonGtk::StoppedShowing() {
-  button_->UnsetPaintOverride();
-}
-
-bool BackForwardButtonGtk::AlwaysShowIconForCmd(int command_id) const {
-  return true;
-}
-
-void BackForwardButtonGtk::ShowBackForwardMenu(int button, guint32 event_time) {
-  menu_.reset(new MenuGtk(this, menu_model_.get()));
-  button_->SetPaintOverride(GTK_STATE_ACTIVE);
-  menu_->PopupForWidget(widget(), button, event_time);
-}
-
-void BackForwardButtonGtk::OnClick(GtkWidget* widget) {
-  weak_factory_.InvalidateWeakPtrs();
-
-  chrome::ExecuteCommandWithDisposition(
-      browser_,
-      is_forward_ ? IDC_FORWARD : IDC_BACK,
-      event_utils::DispositionForCurrentButtonPressEvent());
-}
-
-gboolean BackForwardButtonGtk::OnButtonPress(GtkWidget* widget,
-                                             GdkEventButton* event) {
-  if (event->button == 3)
-    ShowBackForwardMenu(event->button, event->time);
-
-  if (event->button != 1)
-    return FALSE;
-
-  y_position_of_last_press_ = static_cast<int>(event->y);
-  base::MessageLoop::current()->PostDelayedTask(
-      FROM_HERE,
-      base::Bind(&BackForwardButtonGtk::ShowBackForwardMenu,
-                 weak_factory_.GetWeakPtr(),
-                 event->button,
-                 event->time),
-      base::TimeDelta::FromMilliseconds(kMenuTimerDelay));
-  return FALSE;
-}
-
-gboolean BackForwardButtonGtk::OnMouseMove(GtkWidget* widget,
-                                           GdkEventMotion* event) {
-  // If we aren't waiting to show the back forward menu, do nothing.
-  if (!weak_factory_.HasWeakPtrs())
-    return FALSE;
-
-  // We only count moves about a certain threshold.
-  GtkSettings* settings = gtk_widget_get_settings(widget);
-  int drag_min_distance;
-  g_object_get(settings, "gtk-dnd-drag-threshold", &drag_min_distance, NULL);
-  if (event->y - y_position_of_last_press_ < drag_min_distance)
-    return FALSE;
-
-  // We will show the menu now. Cancel the delayed event.
-  weak_factory_.InvalidateWeakPtrs();
-  ShowBackForwardMenu(/* button */ 1, event->time);
-  return FALSE;
-}