Move chrome/browser/gtk/ to chrome/browser/ui/gtk/...

chrome/browser/gtk/tabs/tab_renderer_gtk.cc

Index: chrome/browser/gtk/tabs/tab_renderer_gtk.cc
===================================================================
--- chrome/browser/gtk/tabs/tab_renderer_gtk.cc	(revision 71352)
+++ chrome/browser/gtk/tabs/tab_renderer_gtk.cc	(working copy)
@@ -1,1085 +0,0 @@
-// 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/tabs/tab_renderer_gtk.h"
-
-#include <algorithm>
-#include <utility>
-
-#include "app/l10n_util.h"
-#include "app/resource_bundle.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/defaults.h"
-#include "chrome/browser/gtk/bookmark_utils_gtk.h"
-#include "chrome/browser/gtk/custom_button.h"
-#include "chrome/browser/gtk/gtk_theme_provider.h"
-#include "chrome/browser/gtk/gtk_util.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/tab_contents/tab_contents.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/common/notification_service.h"
-#include "gfx/canvas_skia_paint.h"
-#include "gfx/favicon_size.h"
-#include "gfx/platform_font_gtk.h"
-#include "gfx/skbitmap_operations.h"
-#include "grit/app_resources.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "ui/base/animation/slide_animation.h"
-#include "ui/base/animation/throb_animation.h"
-
-namespace {
-
-const int kLeftPadding = 16;
-const int kTopPadding = 6;
-const int kRightPadding = 15;
-const int kBottomPadding = 5;
-const int kDropShadowHeight = 2;
-const int kFavIconTitleSpacing = 4;
-const int kTitleCloseButtonSpacing = 5;
-const int kStandardTitleWidth = 175;
-const int kDropShadowOffset = 2;
-const int kInactiveTabBackgroundOffsetY = 15;
-
-// When a non-mini-tab becomes a mini-tab the width of the tab animates. If
-// the width of a mini-tab is >= kMiniTabRendererAsNormalTabWidth then the tab
-// is rendered as a normal tab. This is done to avoid having the title
-// immediately disappear when transitioning a tab from normal to mini-tab.
-const int kMiniTabRendererAsNormalTabWidth =
-    browser_defaults::kMiniTabWidth + 30;
-
-// The tab images are designed to overlap the toolbar by 1 pixel. For now we
-// don't actually overlap the toolbar, so this is used to know how many pixels
-// at the bottom of the tab images are to be ignored.
-const int kToolbarOverlap = 1;
-
-// How long the hover state takes.
-const int kHoverDurationMs = 90;
-
-// How opaque to make the hover state (out of 1).
-const double kHoverOpacity = 0.33;
-
-// Max opacity for the mini-tab title change animation.
-const double kMiniTitleChangeThrobOpacity = 0.75;
-
-// Duration for when the title of an inactive mini-tab changes.
-const int kMiniTitleChangeThrobDuration = 1000;
-
-const SkScalar kTabCapWidth = 15;
-const SkScalar kTabTopCurveWidth = 4;
-const SkScalar kTabBottomCurveWidth = 3;
-
-// The vertical and horizontal offset used to position the close button
-// in the tab. TODO(jhawkins): Ask pkasting what the Fuzz is about.
-const int kCloseButtonVertFuzz = 0;
-const int kCloseButtonHorzFuzz = 5;
-
-SkBitmap* crashed_fav_icon = NULL;
-
-// Gets the bounds of |widget| relative to |parent|.
-gfx::Rect GetWidgetBoundsRelativeToParent(GtkWidget* parent,
-                                          GtkWidget* widget) {
-  gfx::Point parent_pos = gtk_util::GetWidgetScreenPosition(parent);
-  gfx::Point widget_pos = gtk_util::GetWidgetScreenPosition(widget);
-  return gfx::Rect(widget_pos.x() - parent_pos.x(),
-                   widget_pos.y() - parent_pos.y(),
-                   widget->allocation.width, widget->allocation.height);
-}
-
-}  // namespace
-
-TabRendererGtk::LoadingAnimation::Data::Data(ThemeProvider* theme_provider) {
-  // The loading animation image is a strip of states. Each state must be
-  // square, so the height must divide the width evenly.
-  loading_animation_frames = theme_provider->GetBitmapNamed(IDR_THROBBER);
-  DCHECK(loading_animation_frames);
-  DCHECK_EQ(loading_animation_frames->width() %
-            loading_animation_frames->height(), 0);
-  loading_animation_frame_count =
-      loading_animation_frames->width() /
-      loading_animation_frames->height();
-
-  waiting_animation_frames =
-      theme_provider->GetBitmapNamed(IDR_THROBBER_WAITING);
-  DCHECK(waiting_animation_frames);
-  DCHECK_EQ(waiting_animation_frames->width() %
-            waiting_animation_frames->height(), 0);
-  waiting_animation_frame_count =
-      waiting_animation_frames->width() /
-      waiting_animation_frames->height();
-
-  waiting_to_loading_frame_count_ratio =
-      waiting_animation_frame_count /
-      loading_animation_frame_count;
-  // TODO(beng): eventually remove this when we have a proper themeing system.
-  //             themes not supporting IDR_THROBBER_WAITING are causing this
-  //             value to be 0 which causes DIV0 crashes. The value of 5
-  //             matches the current bitmaps in our source.
-  if (waiting_to_loading_frame_count_ratio == 0)
-    waiting_to_loading_frame_count_ratio = 5;
-}
-
-TabRendererGtk::LoadingAnimation::Data::Data(
-    int loading, int waiting, int waiting_to_loading)
-    : waiting_animation_frames(NULL),
-      loading_animation_frames(NULL),
-      loading_animation_frame_count(loading),
-      waiting_animation_frame_count(waiting),
-      waiting_to_loading_frame_count_ratio(waiting_to_loading) {
-}
-
-bool TabRendererGtk::initialized_ = false;
-TabRendererGtk::TabImage TabRendererGtk::tab_active_ = {0};
-TabRendererGtk::TabImage TabRendererGtk::tab_inactive_ = {0};
-TabRendererGtk::TabImage TabRendererGtk::tab_alpha_ = {0};
-gfx::Font* TabRendererGtk::title_font_ = NULL;
-int TabRendererGtk::title_font_height_ = 0;
-int TabRendererGtk::close_button_width_ = 0;
-int TabRendererGtk::close_button_height_ = 0;
-SkColor TabRendererGtk::selected_title_color_ = SK_ColorBLACK;
-SkColor TabRendererGtk::unselected_title_color_ = SkColorSetRGB(64, 64, 64);
-
-////////////////////////////////////////////////////////////////////////////////
-// TabRendererGtk::LoadingAnimation, public:
-//
-TabRendererGtk::LoadingAnimation::LoadingAnimation(
-    ThemeProvider* theme_provider)
-    : data_(new Data(theme_provider)),
-      theme_provider_(theme_provider),
-      animation_state_(ANIMATION_NONE),
-      animation_frame_(0) {
-  registrar_.Add(this,
-                 NotificationType::BROWSER_THEME_CHANGED,
-                 NotificationService::AllSources());
-}
-
-TabRendererGtk::LoadingAnimation::LoadingAnimation(
-    const LoadingAnimation::Data& data)
-    : data_(new Data(data)),
-      theme_provider_(NULL),
-      animation_state_(ANIMATION_NONE),
-      animation_frame_(0) {
-}
-
-TabRendererGtk::LoadingAnimation::~LoadingAnimation() {}
-
-bool TabRendererGtk::LoadingAnimation::ValidateLoadingAnimation(
-    AnimationState animation_state) {
-  bool has_changed = false;
-  if (animation_state_ != animation_state) {
-    // The waiting animation is the reverse of the loading animation, but at a
-    // different rate - the following reverses and scales the animation_frame_
-    // so that the frame is at an equivalent position when going from one
-    // animation to the other.
-    if (animation_state_ == ANIMATION_WAITING &&
-        animation_state == ANIMATION_LOADING) {
-      animation_frame_ = data_->loading_animation_frame_count -
-          (animation_frame_ / data_->waiting_to_loading_frame_count_ratio);
-    }
-    animation_state_ = animation_state;
-    has_changed = true;
-  }
-
-  if (animation_state_ != ANIMATION_NONE) {
-    animation_frame_ = (animation_frame_ + 1) %
-                       ((animation_state_ == ANIMATION_WAITING) ?
-                         data_->waiting_animation_frame_count :
-                         data_->loading_animation_frame_count);
-    has_changed = true;
-  } else {
-    animation_frame_ = 0;
-  }
-  return has_changed;
-}
-
-void TabRendererGtk::LoadingAnimation::Observe(
-    NotificationType type,
-    const NotificationSource& source,
-    const NotificationDetails& details) {
-  DCHECK(type == NotificationType::BROWSER_THEME_CHANGED);
-  data_.reset(new Data(theme_provider_));
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// FaviconCrashAnimation
-//
-//  A custom animation subclass to manage the favicon crash animation.
-class TabRendererGtk::FavIconCrashAnimation : public ui::LinearAnimation,
-                                              public ui::AnimationDelegate {
- public:
-  explicit FavIconCrashAnimation(TabRendererGtk* target)
-      : ALLOW_THIS_IN_INITIALIZER_LIST(ui::LinearAnimation(1000, 25, this)),
-        target_(target) {
-  }
-  virtual ~FavIconCrashAnimation() {}
-
-  // ui::Animation overrides:
-  virtual void AnimateToState(double state) {
-    const double kHidingOffset = 27;
-
-    if (state < .5) {
-      target_->SetFavIconHidingOffset(
-          static_cast<int>(floor(kHidingOffset * 2.0 * state)));
-    } else {
-      target_->DisplayCrashedFavIcon();
-      target_->SetFavIconHidingOffset(
-          static_cast<int>(
-              floor(kHidingOffset - ((state - .5) * 2.0 * kHidingOffset))));
-    }
-  }
-
-  // ui::AnimationDelegate overrides:
-  virtual void AnimationCanceled(const ui::Animation* animation) {
-    target_->SetFavIconHidingOffset(0);
-  }
-
- private:
-  TabRendererGtk* target_;
-
-  DISALLOW_COPY_AND_ASSIGN(FavIconCrashAnimation);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// TabRendererGtk, public:
-
-TabRendererGtk::TabRendererGtk(ThemeProvider* theme_provider)
-    : showing_icon_(false),
-      showing_close_button_(false),
-      fav_icon_hiding_offset_(0),
-      should_display_crashed_favicon_(false),
-      loading_animation_(theme_provider),
-      background_offset_x_(0),
-      background_offset_y_(kInactiveTabBackgroundOffsetY),
-      close_button_color_(0) {
-  InitResources();
-
-  tab_.Own(gtk_fixed_new());
-  gtk_widget_set_app_paintable(tab_.get(), TRUE);
-  g_signal_connect(tab_.get(), "expose-event",
-                   G_CALLBACK(OnExposeEventThunk), this);
-  g_signal_connect(tab_.get(), "size-allocate",
-                   G_CALLBACK(OnSizeAllocateThunk), this);
-  close_button_.reset(MakeCloseButton());
-  gtk_widget_show(tab_.get());
-
-  hover_animation_.reset(new ui::SlideAnimation(this));
-  hover_animation_->SetSlideDuration(kHoverDurationMs);
-
-  registrar_.Add(this, NotificationType::BROWSER_THEME_CHANGED,
-                 NotificationService::AllSources());
-}
-
-TabRendererGtk::~TabRendererGtk() {
-  tab_.Destroy();
-  for (BitmapCache::iterator it = cached_bitmaps_.begin();
-       it != cached_bitmaps_.end(); ++it) {
-    delete it->second.bitmap;
-  }
-}
-
-void TabRendererGtk::UpdateData(TabContents* contents,
-                                bool app,
-                                bool loading_only) {
-  DCHECK(contents);
-  theme_provider_ = GtkThemeProvider::GetFrom(contents->profile());
-
-  if (!loading_only) {
-    data_.title = contents->GetTitle();
-    data_.off_the_record = contents->profile()->IsOffTheRecord();
-    data_.crashed = contents->is_crashed();
-
-    SkBitmap* app_icon = contents->GetExtensionAppIcon();
-    if (app_icon)
-      data_.favicon = *app_icon;
-    else
-      data_.favicon = contents->GetFavIcon();
-
-    data_.app = app;
-    // This is kind of a hacky way to determine whether our icon is the default
-    // favicon. But the plumbing that would be necessary to do it right would
-    // be a good bit of work and would sully code for other platforms which
-    // don't care to custom-theme the favicon. Hopefully the default favicon
-    // will eventually be chromium-themable and this code will go away.
-    data_.is_default_favicon =
-        (data_.favicon.pixelRef() ==
-        ResourceBundle::GetSharedInstance().GetBitmapNamed(
-            IDR_DEFAULT_FAVICON)->pixelRef());
-  }
-
-  // Loading state also involves whether we show the favicon, since that's where
-  // we display the throbber.
-  data_.loading = contents->is_loading();
-  data_.show_icon = contents->ShouldDisplayFavIcon();
-}
-
-void TabRendererGtk::UpdateFromModel() {
-  // Force a layout, since the tab may have grown a favicon.
-  Layout();
-  SchedulePaint();
-
-  if (data_.crashed) {
-    if (!should_display_crashed_favicon_ && !IsPerformingCrashAnimation())
-      StartCrashAnimation();
-  } else {
-    if (IsPerformingCrashAnimation())
-      StopCrashAnimation();
-    ResetCrashedFavIcon();
-  }
-}
-
-void TabRendererGtk::SetBlocked(bool blocked) {
-  if (data_.blocked == blocked)
-    return;
-  data_.blocked = blocked;
-  // TODO(zelidrag) bug 32399: Make tabs pulse on Linux as well.
-}
-
-bool TabRendererGtk::is_blocked() const {
-  return data_.blocked;
-}
-
-bool TabRendererGtk::IsSelected() const {
-  return true;
-}
-
-bool TabRendererGtk::IsVisible() const {
-  return GTK_WIDGET_FLAGS(tab_.get()) & GTK_VISIBLE;
-}
-
-void TabRendererGtk::SetVisible(bool visible) const {
-  if (visible) {
-    gtk_widget_show(tab_.get());
-    if (data_.mini)
-      gtk_widget_show(close_button_->widget());
-  } else {
-    gtk_widget_hide_all(tab_.get());
-  }
-}
-
-bool TabRendererGtk::ValidateLoadingAnimation(AnimationState animation_state) {
-  return loading_animation_.ValidateLoadingAnimation(animation_state);
-}
-
-void TabRendererGtk::PaintFavIconArea(GdkEventExpose* event) {
-  DCHECK(ShouldShowIcon());
-
-  // The paint area is the favicon bounds, but we're painting into the gdk
-  // window belonging to the tabstrip.  So the coordinates are relative to the
-  // top left of the tab strip.
-  event->area.x = x() + favicon_bounds_.x();
-  event->area.y = y() + favicon_bounds_.y();
-  event->area.width = favicon_bounds_.width();
-  event->area.height = favicon_bounds_.height();
-  gfx::CanvasSkiaPaint canvas(event, false);
-
-  // The actual paint methods expect 0, 0 to be the tab top left (see
-  // PaintTab).
-  canvas.TranslateInt(x(), y());
-
-  // Paint the background behind the favicon.
-  int theme_id;
-  int offset_y = 0;
-  if (IsSelected()) {
-    theme_id = IDR_THEME_TOOLBAR;
-  } else {
-    if (!data_.off_the_record) {
-      theme_id = IDR_THEME_TAB_BACKGROUND;
-    } else {
-      theme_id = IDR_THEME_TAB_BACKGROUND_INCOGNITO;
-    }
-    if (!theme_provider_->HasCustomImage(theme_id))
-      offset_y = background_offset_y_;
-  }
-  SkBitmap* tab_bg = theme_provider_->GetBitmapNamed(theme_id);
-  canvas.TileImageInt(*tab_bg,
-      x() + favicon_bounds_.x(), offset_y + favicon_bounds_.y(),
-      favicon_bounds_.x(), favicon_bounds_.y(),
-      favicon_bounds_.width(), favicon_bounds_.height());
-
-  if (!IsSelected()) {
-    double throb_value = GetThrobValue();
-    if (throb_value > 0) {
-      SkRect bounds;
-      bounds.set(favicon_bounds_.x(), favicon_bounds_.y(),
-          favicon_bounds_.right(), favicon_bounds_.bottom());
-      canvas.saveLayerAlpha(&bounds, static_cast<int>(throb_value * 0xff),
-                            SkCanvas::kARGB_ClipLayer_SaveFlag);
-      canvas.drawARGB(0, 255, 255, 255, SkXfermode::kClear_Mode);
-      SkBitmap* active_bg = theme_provider_->GetBitmapNamed(IDR_THEME_TOOLBAR);
-      canvas.TileImageInt(*active_bg,
-          x() + favicon_bounds_.x(), favicon_bounds_.y(),
-          favicon_bounds_.x(), favicon_bounds_.y(),
-          favicon_bounds_.width(), favicon_bounds_.height());
-      canvas.restore();
-    }
-  }
-
-  // Now paint the icon.
-  PaintIcon(&canvas);
-}
-
-bool TabRendererGtk::ShouldShowIcon() const {
-  if (mini() && height() >= GetMinimumUnselectedSize().height()) {
-    return true;
-  } else if (!data_.show_icon) {
-    return false;
-  } else if (IsSelected()) {
-    // The selected tab clips favicon before close button.
-    return IconCapacity() >= 2;
-  }
-  // Non-selected tabs clip close button before favicon.
-  return IconCapacity() >= 1;
-}
-
-// static
-gfx::Size TabRendererGtk::GetMinimumUnselectedSize() {
-  InitResources();
-
-  gfx::Size minimum_size;
-  minimum_size.set_width(kLeftPadding + kRightPadding);
-  // Since we use bitmap images, the real minimum height of the image is
-  // defined most accurately by the height of the end cap images.
-  minimum_size.set_height(tab_active_.image_l->height() - kToolbarOverlap);
-  return minimum_size;
-}
-
-// static
-gfx::Size TabRendererGtk::GetMinimumSelectedSize() {
-  gfx::Size minimum_size = GetMinimumUnselectedSize();
-  minimum_size.set_width(kLeftPadding + kFavIconSize + kRightPadding);
-  return minimum_size;
-}
-
-// static
-gfx::Size TabRendererGtk::GetStandardSize() {
-  gfx::Size standard_size = GetMinimumUnselectedSize();
-  standard_size.Enlarge(kFavIconTitleSpacing + kStandardTitleWidth, 0);
-  return standard_size;
-}
-
-// static
-int TabRendererGtk::GetMiniWidth() {
-  return browser_defaults::kMiniTabWidth;
-}
-
-// static
-int TabRendererGtk::GetContentHeight() {
-  // The height of the content of the Tab is the largest of the favicon,
-  // the title text and the close button graphic.
-  int content_height = std::max(kFavIconSize, title_font_height_);
-  return std::max(content_height, close_button_height_);
-}
-
-// static
-void TabRendererGtk::LoadTabImages() {
-  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
-
-  tab_alpha_.image_l = rb.GetBitmapNamed(IDR_TAB_ALPHA_LEFT);
-  tab_alpha_.image_r = rb.GetBitmapNamed(IDR_TAB_ALPHA_RIGHT);
-
-  tab_active_.image_l = rb.GetBitmapNamed(IDR_TAB_ACTIVE_LEFT);
-  tab_active_.image_c = rb.GetBitmapNamed(IDR_TAB_ACTIVE_CENTER);
-  tab_active_.image_r = rb.GetBitmapNamed(IDR_TAB_ACTIVE_RIGHT);
-  tab_active_.l_width = tab_active_.image_l->width();
-  tab_active_.r_width = tab_active_.image_r->width();
-
-  tab_inactive_.image_l = rb.GetBitmapNamed(IDR_TAB_INACTIVE_LEFT);
-  tab_inactive_.image_c = rb.GetBitmapNamed(IDR_TAB_INACTIVE_CENTER);
-  tab_inactive_.image_r = rb.GetBitmapNamed(IDR_TAB_INACTIVE_RIGHT);
-  tab_inactive_.l_width = tab_inactive_.image_l->width();
-  tab_inactive_.r_width = tab_inactive_.image_r->width();
-
-  close_button_width_ = rb.GetBitmapNamed(IDR_TAB_CLOSE)->width();
-  close_button_height_ = rb.GetBitmapNamed(IDR_TAB_CLOSE)->height();
-}
-
-// static
-void TabRendererGtk::SetSelectedTitleColor(SkColor color) {
-  selected_title_color_ = color;
-}
-
-// static
-void TabRendererGtk::SetUnselectedTitleColor(SkColor color) {
-  unselected_title_color_ = color;
-}
-
-gfx::Rect TabRendererGtk::GetNonMirroredBounds(GtkWidget* parent) const {
-  // The tabstrip widget is a windowless widget so the tab widget's allocation
-  // is relative to the browser titlebar.  We need the bounds relative to the
-  // tabstrip.
-  gfx::Rect bounds = GetWidgetBoundsRelativeToParent(parent, widget());
-  bounds.set_x(gtk_util::MirroredLeftPointForRect(parent, bounds));
-  return bounds;
-}
-
-gfx::Rect TabRendererGtk::GetRequisition() const {
-  return gfx::Rect(requisition_.x(), requisition_.y(),
-                   requisition_.width(), requisition_.height());
-}
-
-void TabRendererGtk::StartMiniTabTitleAnimation() {
-  if (!mini_title_animation_.get()) {
-    mini_title_animation_.reset(new ui::ThrobAnimation(this));
-    mini_title_animation_->SetThrobDuration(kMiniTitleChangeThrobDuration);
-  }
-
-  if (!mini_title_animation_->is_animating()) {
-    mini_title_animation_->StartThrobbing(2);
-  } else if (mini_title_animation_->cycles_remaining() <= 2) {
-    // The title changed while we're already animating. Add at most one more
-    // cycle. This is done in an attempt to smooth out pages that continuously
-    // change the title.
-    mini_title_animation_->set_cycles_remaining(
-        mini_title_animation_->cycles_remaining() + 2);
-  }
-}
-
-void TabRendererGtk::StopMiniTabTitleAnimation() {
-  if (mini_title_animation_.get())
-    mini_title_animation_->Stop();
-}
-
-void TabRendererGtk::SetBounds(const gfx::Rect& bounds) {
-  requisition_ = bounds;
-  gtk_widget_set_size_request(tab_.get(), bounds.width(), bounds.height());
-}
-
-void TabRendererGtk::Observe(NotificationType type,
-                             const NotificationSource& source,
-                             const NotificationDetails& details) {
-  DCHECK(type == NotificationType::BROWSER_THEME_CHANGED);
-
-  // Clear our cache when we receive a theme change notification because it
-  // contains cached bitmaps based off the previous theme.
-  for (BitmapCache::iterator it = cached_bitmaps_.begin();
-       it != cached_bitmaps_.end(); ++it) {
-    delete it->second.bitmap;
-  }
-  cached_bitmaps_.clear();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// TabRendererGtk, protected:
-
-string16 TabRendererGtk::GetTitle() const {
-  return data_.title;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// TabRendererGtk, ui::AnimationDelegate implementation:
-
-void TabRendererGtk::AnimationProgressed(const ui::Animation* animation) {
-  gtk_widget_queue_draw(tab_.get());
-}
-
-void TabRendererGtk::AnimationCanceled(const ui::Animation* animation) {
-  AnimationEnded(animation);
-}
-
-void TabRendererGtk::AnimationEnded(const ui::Animation* animation) {
-  gtk_widget_queue_draw(tab_.get());
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// TabRendererGtk, private:
-
-void TabRendererGtk::StartCrashAnimation() {
-  if (!crash_animation_.get())
-    crash_animation_.reset(new FavIconCrashAnimation(this));
-  crash_animation_->Stop();
-  crash_animation_->Start();
-}
-
-void TabRendererGtk::StopCrashAnimation() {
-  if (!crash_animation_.get())
-    return;
-  crash_animation_->Stop();
-}
-
-bool TabRendererGtk::IsPerformingCrashAnimation() const {
-  return crash_animation_.get() && crash_animation_->is_animating();
-}
-
-void TabRendererGtk::SetFavIconHidingOffset(int offset) {
-  fav_icon_hiding_offset_ = offset;
-  SchedulePaint();
-}
-
-void TabRendererGtk::DisplayCrashedFavIcon() {
-  should_display_crashed_favicon_ = true;
-}
-
-void TabRendererGtk::ResetCrashedFavIcon() {
-  should_display_crashed_favicon_ = false;
-}
-
-void TabRendererGtk::Paint(gfx::Canvas* canvas) {
-  // Don't paint if we're narrower than we can render correctly. (This should
-  // only happen during animations).
-  if (width() < GetMinimumUnselectedSize().width() && !mini())
-    return;
-
-  // See if the model changes whether the icons should be painted.
-  const bool show_icon = ShouldShowIcon();
-  const bool show_close_button = ShouldShowCloseBox();
-  if (show_icon != showing_icon_ ||
-      show_close_button != showing_close_button_)
-    Layout();
-
-  PaintTabBackground(canvas);
-
-  if (!mini() || width() > kMiniTabRendererAsNormalTabWidth)
-    PaintTitle(canvas);
-
-  if (show_icon)
-    PaintIcon(canvas);
-}
-
-SkBitmap TabRendererGtk::PaintBitmap() {
-  gfx::CanvasSkia canvas(width(), height(), false);
-  Paint(&canvas);
-  return canvas.ExtractBitmap();
-}
-
-cairo_surface_t* TabRendererGtk::PaintToSurface() {
-  gfx::CanvasSkia canvas(width(), height(), false);
-  Paint(&canvas);
-  return cairo_surface_reference(cairo_get_target(canvas.beginPlatformPaint()));
-}
-
-void TabRendererGtk::SchedulePaint() {
-  gtk_widget_queue_draw(tab_.get());
-}
-
-gfx::Rect TabRendererGtk::GetLocalBounds() {
-  return gfx::Rect(0, 0, bounds_.width(), bounds_.height());
-}
-
-void TabRendererGtk::Layout() {
-  gfx::Rect local_bounds = GetLocalBounds();
-  if (local_bounds.IsEmpty())
-    return;
-  local_bounds.Inset(kLeftPadding, kTopPadding, kRightPadding, kBottomPadding);
-
-  // Figure out who is tallest.
-  int content_height = GetContentHeight();
-
-  // Size the Favicon.
-  showing_icon_ = ShouldShowIcon();
-  if (showing_icon_) {
-    int favicon_top = kTopPadding + (content_height - kFavIconSize) / 2;
-    favicon_bounds_.SetRect(local_bounds.x(), favicon_top,
-                            kFavIconSize, kFavIconSize);
-    if ((mini() || data_.animating_mini_change) &&
-        bounds_.width() < kMiniTabRendererAsNormalTabWidth) {
-      int mini_delta = kMiniTabRendererAsNormalTabWidth - GetMiniWidth();
-      int ideal_delta = bounds_.width() - GetMiniWidth();
-      if (ideal_delta < mini_delta) {
-        int ideal_x = (GetMiniWidth() - kFavIconSize) / 2;
-        int x = favicon_bounds_.x() + static_cast<int>(
-            (1 - static_cast<float>(ideal_delta) /
-             static_cast<float>(mini_delta)) *
-            (ideal_x - favicon_bounds_.x()));
-        favicon_bounds_.set_x(x);
-      }
-    }
-  } else {
-    favicon_bounds_.SetRect(local_bounds.x(), local_bounds.y(), 0, 0);
-  }
-
-  // Size the Close button.
-  showing_close_button_ = ShouldShowCloseBox();
-  if (showing_close_button_) {
-    int close_button_top =
-        kTopPadding + kCloseButtonVertFuzz +
-        (content_height - close_button_height_) / 2;
-    close_button_bounds_.SetRect(local_bounds.width() + kCloseButtonHorzFuzz,
-                                 close_button_top, close_button_width_,
-                                 close_button_height_);
-
-    // If the close button color has changed, generate a new one.
-    if (theme_provider_) {
-      SkColor tab_text_color =
-        theme_provider_->GetColor(BrowserThemeProvider::COLOR_TAB_TEXT);
-      if (!close_button_color_ || tab_text_color != close_button_color_) {
-        close_button_color_ = tab_text_color;
-        ResourceBundle& rb = ResourceBundle::GetSharedInstance();
-        close_button_->SetBackground(close_button_color_,
-            rb.GetBitmapNamed(IDR_TAB_CLOSE),
-            rb.GetBitmapNamed(IDR_TAB_CLOSE_MASK));
-      }
-    }
-  } else {
-    close_button_bounds_.SetRect(0, 0, 0, 0);
-  }
-
-  if (!mini() || width() >= kMiniTabRendererAsNormalTabWidth) {
-    // Size the Title text to fill the remaining space.
-    int title_left = favicon_bounds_.right() + kFavIconTitleSpacing;
-    int title_top = kTopPadding;
-
-    // If the user has big fonts, the title will appear rendered too far down
-    // on the y-axis if we use the regular top padding, so we need to adjust it
-    // so that the text appears centered.
-    gfx::Size minimum_size = GetMinimumUnselectedSize();
-    int text_height = title_top + title_font_height_ + kBottomPadding;
-    if (text_height > minimum_size.height())
-      title_top -= (text_height - minimum_size.height()) / 2;
-
-    int title_width;
-    if (close_button_bounds_.width() && close_button_bounds_.height()) {
-      title_width = std::max(close_button_bounds_.x() -
-                             kTitleCloseButtonSpacing - title_left, 0);
-    } else {
-      title_width = std::max(local_bounds.width() - title_left, 0);
-    }
-    title_bounds_.SetRect(title_left, title_top, title_width, content_height);
-  }
-
-  favicon_bounds_.set_x(
-      gtk_util::MirroredLeftPointForRect(tab_.get(), favicon_bounds_));
-  close_button_bounds_.set_x(
-      gtk_util::MirroredLeftPointForRect(tab_.get(), close_button_bounds_));
-  title_bounds_.set_x(
-      gtk_util::MirroredLeftPointForRect(tab_.get(), title_bounds_));
-
-  MoveCloseButtonWidget();
-}
-
-void TabRendererGtk::MoveCloseButtonWidget() {
-  if (!close_button_bounds_.IsEmpty()) {
-    gtk_fixed_move(GTK_FIXED(tab_.get()), close_button_->widget(),
-                   close_button_bounds_.x(), close_button_bounds_.y());
-    gtk_widget_show(close_button_->widget());
-  } else {
-    gtk_widget_hide(close_button_->widget());
-  }
-}
-
-SkBitmap* TabRendererGtk::GetMaskedBitmap(const SkBitmap* mask,
-    const SkBitmap* background, int bg_offset_x, int bg_offset_y) {
-  // We store a bitmap for each mask + background pair (4 total bitmaps).  We
-  // replace the cached image if the tab has moved relative to the background.
-  BitmapCache::iterator it = cached_bitmaps_.find(std::make_pair(mask,
-                                                                 background));
-  if (it != cached_bitmaps_.end()) {
-    if (it->second.bg_offset_x == bg_offset_x &&
-        it->second.bg_offset_y == bg_offset_y) {
-      return it->second.bitmap;
-    }
-    // The background offset changed so we should re-render with the new
-    // offsets.
-    delete it->second.bitmap;
-  }
-  SkBitmap image = SkBitmapOperations::CreateTiledBitmap(
-      *background, bg_offset_x, bg_offset_y, mask->width(),
-      height() + kToolbarOverlap);
-  CachedBitmap bitmap = {
-    bg_offset_x,
-    bg_offset_y,
-    new SkBitmap(SkBitmapOperations::CreateMaskedBitmap(image, *mask))
-  };
-  cached_bitmaps_[std::make_pair(mask, background)] = bitmap;
-  return bitmap.bitmap;
-}
-
-void TabRendererGtk::PaintTab(GdkEventExpose* event) {
-  gfx::CanvasSkiaPaint canvas(event, false);
-  if (canvas.is_empty())
-    return;
-
-  // The tab is rendered into a windowless widget whose offset is at the
-  // coordinate event->area.  Translate by these offsets so we can render at
-  // (0,0) to match Windows' rendering metrics.
-  canvas.TranslateInt(event->area.x, event->area.y);
-
-  // Save the original x offset so we can position background images properly.
-  background_offset_x_ = event->area.x;
-
-  Paint(&canvas);
-}
-
-void TabRendererGtk::PaintTitle(gfx::Canvas* canvas) {
-  // Paint the Title.
-  string16 title = data_.title;
-  if (title.empty()) {
-    title = data_.loading ?
-        l10n_util::GetStringUTF16(IDS_TAB_LOADING_TITLE) :
-        TabContents::GetDefaultTitle();
-  } else {
-    Browser::FormatTitleForDisplay(&title);
-  }
-
-  SkColor title_color = IsSelected() ? selected_title_color_
-                                     : unselected_title_color_;
-  canvas->DrawStringInt(title, *title_font_, title_color,
-                        title_bounds_.x(), title_bounds_.y(),
-                        title_bounds_.width(), title_bounds_.height());
-}
-
-void TabRendererGtk::PaintIcon(gfx::Canvas* canvas) {
-  if (loading_animation_.animation_state() != ANIMATION_NONE) {
-    PaintLoadingAnimation(canvas);
-  } else {
-    canvas->Save();
-    canvas->ClipRectInt(0, 0, width(), height() - kFavIconTitleSpacing);
-    if (should_display_crashed_favicon_) {
-      canvas->DrawBitmapInt(*crashed_fav_icon, 0, 0,
-                            crashed_fav_icon->width(),
-                            crashed_fav_icon->height(),
-                            favicon_bounds_.x(),
-                            favicon_bounds_.y() + fav_icon_hiding_offset_,
-                            kFavIconSize, kFavIconSize,
-                            true);
-    } else {
-      if (!data_.favicon.isNull()) {
-        if (data_.is_default_favicon && theme_provider_->UseGtkTheme()) {
-          GdkPixbuf* favicon = GtkThemeProvider::GetDefaultFavicon(true);
-          canvas->AsCanvasSkia()->DrawGdkPixbuf(
-              favicon, favicon_bounds_.x(),
-              favicon_bounds_.y() + fav_icon_hiding_offset_);
-        } else {
-          // If the favicon is an app icon, it is allowed to be drawn slightly
-          // larger than the standard favicon.
-          int favIconHeightOffset = data_.app ? -2 : 0;
-          int favIconWidthDelta = data_.app ?
-              data_.favicon.width() - kFavIconSize : 0;
-          int favIconHeightDelta = data_.app ?
-              data_.favicon.height() - kFavIconSize : 0;
-
-          // TODO(pkasting): Use code in tab_icon_view.cc:PaintIcon() (or switch
-          // to using that class to render the favicon).
-          canvas->DrawBitmapInt(data_.favicon, 0, 0,
-                                data_.favicon.width(),
-                                data_.favicon.height(),
-                                favicon_bounds_.x() - favIconWidthDelta/2,
-                                favicon_bounds_.y() + favIconHeightOffset
-                                    - favIconHeightDelta/2
-                                    + fav_icon_hiding_offset_,
-                                kFavIconSize + favIconWidthDelta,
-                                kFavIconSize + favIconHeightDelta,
-                                true);
-        }
-      }
-    }
-    canvas->Restore();
-  }
-}
-
-void TabRendererGtk::PaintTabBackground(gfx::Canvas* canvas) {
-  if (IsSelected()) {
-    PaintActiveTabBackground(canvas);
-  } else {
-    PaintInactiveTabBackground(canvas);
-
-    double throb_value = GetThrobValue();
-    if (throb_value > 0) {
-      canvas->SaveLayerAlpha(static_cast<int>(throb_value * 0xff),
-                             gfx::Rect(width(), height()));
-      canvas->AsCanvasSkia()->drawARGB(0, 255, 255, 255,
-                                       SkXfermode::kClear_Mode);
-      PaintActiveTabBackground(canvas);
-      canvas->Restore();
-    }
-  }
-}
-
-void TabRendererGtk::PaintInactiveTabBackground(gfx::Canvas* canvas) {
-  bool is_otr = data_.off_the_record;
-
-  // The tab image needs to be lined up with the background image
-  // so that it feels partially transparent.
-  int offset_x = background_offset_x_;
-
-  int tab_id = is_otr ?
-      IDR_THEME_TAB_BACKGROUND_INCOGNITO : IDR_THEME_TAB_BACKGROUND;
-
-  SkBitmap* tab_bg = theme_provider_->GetBitmapNamed(tab_id);
-
-  // If the theme is providing a custom background image, then its top edge
-  // should be at the top of the tab. Otherwise, we assume that the background
-  // image is a composited foreground + frame image.
-  int offset_y = theme_provider_->HasCustomImage(tab_id) ?
-      0 : background_offset_y_;
-
-  // Draw left edge.
-  SkBitmap* theme_l = GetMaskedBitmap(tab_alpha_.image_l, tab_bg, offset_x,
-                                      offset_y);
-  canvas->DrawBitmapInt(*theme_l, 0, 0);
-
-  // Draw right edge.
-  SkBitmap* theme_r = GetMaskedBitmap(tab_alpha_.image_r, tab_bg,
-      offset_x + width() - tab_active_.r_width, offset_y);
-
-  canvas->DrawBitmapInt(*theme_r, width() - theme_r->width(), 0);
-
-  // Draw center.
-  canvas->TileImageInt(*tab_bg,
-      offset_x + tab_active_.l_width, kDropShadowOffset + offset_y,
-      tab_active_.l_width, 2,
-      width() - tab_active_.l_width - tab_active_.r_width, height() - 2);
-
-  canvas->DrawBitmapInt(*tab_inactive_.image_l, 0, 0);
-  canvas->TileImageInt(*tab_inactive_.image_c, tab_inactive_.l_width, 0,
-      width() - tab_inactive_.l_width - tab_inactive_.r_width, height());
-  canvas->DrawBitmapInt(*tab_inactive_.image_r,
-      width() - tab_inactive_.r_width, 0);
-}
-
-void TabRendererGtk::PaintActiveTabBackground(gfx::Canvas* canvas) {
-  int offset_x = background_offset_x_;
-
-  SkBitmap* tab_bg = theme_provider_->GetBitmapNamed(IDR_THEME_TOOLBAR);
-
-  // Draw left edge.
-  SkBitmap* theme_l = GetMaskedBitmap(tab_alpha_.image_l, tab_bg, offset_x, 0);
-  canvas->DrawBitmapInt(*theme_l, 0, 0);
-
-  // Draw right edge.
-  SkBitmap* theme_r = GetMaskedBitmap(tab_alpha_.image_r, tab_bg,
-      offset_x + width() - tab_active_.r_width, 0);
-  canvas->DrawBitmapInt(*theme_r, width() - tab_active_.r_width, 0);
-
-  // Draw center.
-  canvas->TileImageInt(*tab_bg,
-      offset_x + tab_active_.l_width, kDropShadowHeight,
-      tab_active_.l_width, kDropShadowHeight,
-      width() - tab_active_.l_width - tab_active_.r_width,
-      height() - kDropShadowHeight);
-
-  canvas->DrawBitmapInt(*tab_active_.image_l, 0, 0);
-  canvas->TileImageInt(*tab_active_.image_c, tab_active_.l_width, 0,
-      width() - tab_active_.l_width - tab_active_.r_width, height());
-  canvas->DrawBitmapInt(*tab_active_.image_r, width() - tab_active_.r_width, 0);
-}
-
-void TabRendererGtk::PaintLoadingAnimation(gfx::Canvas* canvas) {
-  const SkBitmap* frames =
-      (loading_animation_.animation_state() == ANIMATION_WAITING) ?
-      loading_animation_.waiting_animation_frames() :
-      loading_animation_.loading_animation_frames();
-  const int image_size = frames->height();
-  const int image_offset = loading_animation_.animation_frame() * image_size;
-  DCHECK(image_size == favicon_bounds_.height());
-  DCHECK(image_size == favicon_bounds_.width());
-
-  canvas->DrawBitmapInt(*frames, image_offset, 0, image_size, image_size,
-      favicon_bounds_.x(), favicon_bounds_.y(), image_size, image_size,
-      false);
-}
-
-int TabRendererGtk::IconCapacity() const {
-  if (height() < GetMinimumUnselectedSize().height())
-    return 0;
-  return (width() - kLeftPadding - kRightPadding) / kFavIconSize;
-}
-
-bool TabRendererGtk::ShouldShowCloseBox() const {
-  // The selected tab never clips close button.
-  return !mini() && (IsSelected() || IconCapacity() >= 3);
-}
-
-CustomDrawButton* TabRendererGtk::MakeCloseButton() {
-  CustomDrawButton* button = new CustomDrawButton(IDR_TAB_CLOSE,
-      IDR_TAB_CLOSE_P, IDR_TAB_CLOSE_H, IDR_TAB_CLOSE);
-
-  gtk_widget_set_tooltip_text(button->widget(),
-      l10n_util::GetStringUTF8(IDS_TOOLTIP_CLOSE_TAB).c_str());
-
-  g_signal_connect(button->widget(), "clicked",
-                   G_CALLBACK(OnCloseButtonClickedThunk), this);
-  g_signal_connect(button->widget(), "button-release-event",
-                   G_CALLBACK(OnCloseButtonMouseReleaseThunk), this);
-  g_signal_connect(button->widget(), "enter-notify-event",
-                   G_CALLBACK(OnEnterNotifyEventThunk), this);
-  g_signal_connect(button->widget(), "leave-notify-event",
-                   G_CALLBACK(OnLeaveNotifyEventThunk), this);
-  GTK_WIDGET_UNSET_FLAGS(button->widget(), GTK_CAN_FOCUS);
-  gtk_fixed_put(GTK_FIXED(tab_.get()), button->widget(), 0, 0);
-
-  return button;
-}
-
-double TabRendererGtk::GetThrobValue() {
-  if (mini_title_animation_.get() && mini_title_animation_->is_animating()) {
-    return mini_title_animation_->GetCurrentValue() *
-        kMiniTitleChangeThrobOpacity;
-  }
-  return hover_animation_.get() ?
-      kHoverOpacity * hover_animation_->GetCurrentValue() : 0;
-}
-
-void TabRendererGtk::CloseButtonClicked() {
-  // Nothing to do.
-}
-
-void TabRendererGtk::OnCloseButtonClicked(GtkWidget* widget) {
-  CloseButtonClicked();
-}
-
-gboolean TabRendererGtk::OnCloseButtonMouseRelease(GtkWidget* widget,
-                                                   GdkEventButton* event) {
-  if (event->button == 2) {
-    CloseButtonClicked();
-    return TRUE;
-  }
-
-  return FALSE;
-}
-
-gboolean TabRendererGtk::OnExposeEvent(GtkWidget* widget,
-                                       GdkEventExpose* event) {
-  PaintTab(event);
-  gtk_container_propagate_expose(GTK_CONTAINER(tab_.get()),
-                                 close_button_->widget(), event);
-  return TRUE;
-}
-
-void TabRendererGtk::OnSizeAllocate(GtkWidget* widget,
-                                    GtkAllocation* allocation) {
-  gfx::Rect bounds = gfx::Rect(allocation->x, allocation->y,
-                               allocation->width, allocation->height);
-
-  // Nothing to do if the bounds are the same.  If we don't catch this, we'll
-  // get an infinite loop of size-allocate signals.
-  if (bounds_ == bounds)
-    return;
-
-  bounds_ = bounds;
-  Layout();
-}
-
-gboolean TabRendererGtk::OnEnterNotifyEvent(GtkWidget* widget,
-                                            GdkEventCrossing* event) {
-  hover_animation_->SetTweenType(ui::Tween::EASE_OUT);
-  hover_animation_->Show();
-  return FALSE;
-}
-
-gboolean TabRendererGtk::OnLeaveNotifyEvent(GtkWidget* widget,
-                                            GdkEventCrossing* event) {
-  hover_animation_->SetTweenType(ui::Tween::EASE_IN);
-  hover_animation_->Hide();
-  return FALSE;
-}
-
-// static
-void TabRendererGtk::InitResources() {
-  if (initialized_)
-    return;
-
-  LoadTabImages();
-
-  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
-  const gfx::Font& base_font = rb.GetFont(ResourceBundle::BaseFont);
-  // Dividing by the pango scale factor maintains an absolute pixel size across
-  // all DPIs.
-  int size = static_cast<int>(13 / gfx::PlatformFontGtk::GetPangoScaleFactor());
-  title_font_ = new gfx::Font(base_font.GetFontName(), size);
-  title_font_height_ = title_font_->GetHeight();
-
-  crashed_fav_icon = rb.GetBitmapNamed(IDR_SAD_FAVICON);
-
-  initialized_ = true;
-}