Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/throbber_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/throbber_gtk.h"
-
-#include "base/logging.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/ui/gtk/gtk_theme_service.h"
-#include "content/public/browser/notification_source.h"
-#include "grit/ui_resources.h"
-#include "ui/gfx/animation/tween.h"
-#include "ui/gfx/image/cairo_cached_surface.h"
-
-namespace {
-
-// The length of a single cycle of the animation in milliseconds.
-const int kThrobberDurationMs = 750;
-
-}  // namespace
-
-ThrobberGtk::ThrobberGtk(GtkThemeService* theme_service)
-    : theme_service_(theme_service),
-      animation_(this),
-      num_frames_(0) {
-  DCHECK(theme_service_);
-  Init();
-}
-
-ThrobberGtk::~ThrobberGtk() {
-  widget_.Destroy();
-}
-
-void ThrobberGtk::Start() {
-  animation_.Show();
-}
-
-void ThrobberGtk::Stop() {
-  animation_.Reset();
-}
-
-void ThrobberGtk::AnimationEnded(const gfx::Animation* animation) {
-  animation_.Reset();
-  animation_.Show();
-}
-
-void ThrobberGtk::AnimationProgressed(const gfx::Animation* animation) {
-  gtk_widget_queue_draw(widget_.get());
-}
-
-void ThrobberGtk::Observe(int type,
-                          const content::NotificationSource& source,
-                          const content::NotificationDetails& details) {
-  DCHECK_EQ(chrome::NOTIFICATION_BROWSER_THEME_CHANGED, type);
-  LoadFrames();
-  gtk_widget_queue_draw(widget_.get());
-}
-
-gboolean ThrobberGtk::OnExpose(GtkWidget* widget, GdkEventExpose* expose) {
-  cairo_t* cairo_context =
-      gdk_cairo_create(GDK_DRAWABLE(gtk_widget_get_window(widget)));
-  GtkAllocation allocation;
-  gtk_widget_get_allocation(widget, &allocation);
-  cairo_translate(cairo_context, allocation.x, allocation.y);
-
-  gfx::CairoCachedSurface* cairo_frames = frames_.ToCairo();
-  const int frame =
-      static_cast<int>(animation_.GetCurrentValue() * (num_frames_ - 1));
-  const int image_size = cairo_frames->Height();
-  const int image_offset = frame * image_size;
-
-  cairo_frames->SetSource(cairo_context, widget, -image_offset, 0);
-  cairo_rectangle(cairo_context, 0, 0, image_size, image_size);
-  cairo_fill(cairo_context);
-  cairo_destroy(cairo_context);
-
-  return TRUE;
-}
-
-void ThrobberGtk::Init() {
-  animation_.SetSlideDuration(kThrobberDurationMs);
-  animation_.SetTweenType(gfx::Tween::LINEAR);
-  widget_.Own(gtk_image_new());
-  gtk_widget_set_can_focus(widget_.get(), FALSE);
-  g_signal_connect(widget_.get(), "expose-event", G_CALLBACK(OnExposeThunk),
-                   this);
-
-  theme_service_->InitThemesFor(this);
-  registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
-                 content::Source<ThemeService>(theme_service_));
-}
-
-void ThrobberGtk::LoadFrames() {
-  frames_ = theme_service_->GetImageNamed(IDR_THROBBER);
-  DCHECK(!frames_.IsEmpty());
-  const int width = frames_.ToCairo()->Width();
-  const int height = frames_.ToCairo()->Height();
-  DCHECK_EQ(0, width % height);
-  num_frames_ = width / height;
-
-  gtk_widget_set_size_request(widget_.get(), height, height);
-}