Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/tabs/dragged_view_gtk.cc

Index: chrome/browser/ui/gtk/tabs/dragged_view_gtk.cc
diff --git a/chrome/browser/ui/gtk/tabs/dragged_view_gtk.cc b/chrome/browser/ui/gtk/tabs/dragged_view_gtk.cc
deleted file mode 100644
index 93811c538d7824ef555f2fb5b94922e498edae4d..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/gtk/tabs/dragged_view_gtk.cc
+++ /dev/null
@@ -1,473 +0,0 @@
-// 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/tabs/dragged_view_gtk.h"
-
-#include <gdk/gdk.h>
-
-#include <algorithm>
-
-#include "base/debug/trace_event.h"
-#include "base/i18n/rtl.h"
-#include "base/stl_util.h"
-#include "chrome/browser/extensions/tab_helper.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/themes/theme_service.h"
-#include "chrome/browser/themes/theme_service_factory.h"
-#include "chrome/browser/ui/gtk/gtk_theme_service.h"
-#include "chrome/browser/ui/gtk/gtk_util.h"
-#include "chrome/browser/ui/gtk/tabs/drag_data.h"
-#include "chrome/browser/ui/gtk/tabs/tab_renderer_gtk.h"
-#include "chrome/browser/ui/tabs/tab_strip_model.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/web_contents.h"
-#include "third_party/skia/include/core/SkShader.h"
-#include "ui/base/gtk/gtk_screen_util.h"
-#include "ui/base/x/x11_util.h"
-#include "ui/gfx/gtk_util.h"
-
-using content::WebContents;
-
-namespace {
-
-// The size of the dragged window frame.
-const int kDragFrameBorderSize = 1;
-const int kTwiceDragFrameBorderSize = 2 * kDragFrameBorderSize;
-
-// Used to scale the dragged window sizes.
-const float kScalingFactor = 0.5;
-
-const int kAnimateToBoundsDurationMs = 150;
-
-const gdouble kTransparentAlpha = (200.0f / 255.0f);
-const gdouble kOpaqueAlpha = 1.0f;
-const double kDraggedTabBorderColor[] = { 103.0 / 0xff,
-                                          129.0 / 0xff,
-                                          162.0 / 0xff };
-
-}  // namespace
-
-////////////////////////////////////////////////////////////////////////////////
-// DraggedViewGtk, public:
-
-DraggedViewGtk::DraggedViewGtk(DragData* drag_data,
-                               const gfx::Point& mouse_tab_offset,
-                               const gfx::Size& contents_size)
-    : drag_data_(drag_data),
-      mini_width_(-1),
-      normal_width_(-1),
-      attached_(false),
-      parent_window_width_(-1),
-      mouse_tab_offset_(mouse_tab_offset),
-      attached_tab_size_(TabRendererGtk::GetMinimumSelectedSize()),
-      contents_size_(contents_size),
-      close_animation_(this) {
-  std::vector<WebContents*> data_sources(drag_data_->GetDraggedTabsContents());
-  for (size_t i = 0; i < data_sources.size(); i++) {
-    renderers_.push_back(new TabRendererGtk(GtkThemeService::GetFrom(
-        Profile::FromBrowserContext(data_sources[i]->GetBrowserContext()))));
-  }
-
-  for (size_t i = 0; i < drag_data_->size(); i++) {
-    WebContents* web_contents = drag_data_->get(i)->contents_;
-    renderers_[i]->UpdateData(
-        web_contents,
-        extensions::TabHelper::FromWebContents(web_contents)->is_app(),
-        false); // loading_only
-    renderers_[i]->set_is_active(
-        static_cast<int>(i) == drag_data_->source_tab_index());
-  }
-
-  container_ = gtk_window_new(GTK_WINDOW_POPUP);
-  SetContainerColorMap();
-  gtk_widget_set_app_paintable(container_, TRUE);
-  g_signal_connect(container_, "expose-event", G_CALLBACK(OnExposeThunk), this);
-  gtk_widget_add_events(container_, GDK_STRUCTURE_MASK);
-
-  // We contain the tab renderer in a GtkFixed in order to maintain the
-  // requested size.  Otherwise, the widget will fill the entire window and
-  // cause a crash when rendering because the bounds don't match our images.
-  fixed_ = gtk_fixed_new();
-  for (size_t i = 0; i < renderers_.size(); i++)
-    gtk_fixed_put(GTK_FIXED(fixed_), renderers_[i]->widget(), 0, 0);
-
-  gtk_container_add(GTK_CONTAINER(container_), fixed_);
-  gtk_widget_show_all(container_);
-}
-
-DraggedViewGtk::~DraggedViewGtk() {
-  gtk_widget_destroy(container_);
-  STLDeleteElements(&renderers_);
-}
-
-void DraggedViewGtk::MoveDetachedTo(const gfx::Point& screen_point) {
-  DCHECK(!attached_);
-  gfx::Point distance_from_origin =
-      GetDistanceFromTabStripOriginToMousePointer();
-  int y = screen_point.y() - ScaleValue(distance_from_origin.y());
-  int x = screen_point.x() - ScaleValue(distance_from_origin.x());
-  gtk_window_move(GTK_WINDOW(container_), x, y);
-}
-
-void DraggedViewGtk::MoveAttachedTo(const gfx::Point& tabstrip_point) {
-  DCHECK(attached_);
-  int x = tabstrip_point.x() + GetWidthInTabStripUpToMousePointer() -
-      ScaleValue(GetWidthInTabStripUpToMousePointer());
-  int y = tabstrip_point.y() + mouse_tab_offset_.y() -
-      ScaleValue(mouse_tab_offset_.y());
-  gtk_window_move(GTK_WINDOW(container_), x, y);
-}
-
-gfx::Point DraggedViewGtk::GetDistanceFromTabStripOriginToMousePointer() {
-  gfx::Point start_point(GetWidthInTabStripUpToMousePointer(),
-                         mouse_tab_offset_.y());
-  if (base::i18n::IsRTL())
-    start_point.Offset(parent_window_width_ - GetTotalWidthInTabStrip(), 0);
-  return start_point;
-}
-
-void DraggedViewGtk::Attach(
-    int normal_width, int mini_width, int window_width) {
-  attached_ = true;
-  parent_window_width_ = window_width;
-  normal_width_ = normal_width;
-  mini_width_ = mini_width;
-
-  int dragged_tab_width =
-      drag_data_->GetSourceTabData()->mini_ ? mini_width : normal_width;
-
-  Resize(dragged_tab_width);
-
-  if (ui::IsScreenComposited()) {
-    GdkWindow* gdk_window = gtk_widget_get_window(container_);
-    gdk_window_set_opacity(gdk_window, kOpaqueAlpha);
-  }
-}
-
-void DraggedViewGtk::Resize(int width) {
-  attached_tab_size_.set_width(width);
-  ResizeContainer();
-}
-
-void DraggedViewGtk::Detach() {
-  attached_ = false;
-  ResizeContainer();
-
-  if (ui::IsScreenComposited()) {
-    GdkWindow* gdk_window = gtk_widget_get_window(container_);
-    gdk_window_set_opacity(gdk_window, kTransparentAlpha);
-  }
-}
-
-void DraggedViewGtk::Update() {
-  gtk_widget_queue_draw(container_);
-}
-
-int DraggedViewGtk::GetWidthInTabStripFromTo(int from, int to) {
-  DCHECK(from <= static_cast<int>(drag_data_->size()));
-  DCHECK(to <= static_cast<int>(drag_data_->size()));
-
-  // TODO(dpapad): Get 16 from TabStripGtk::kTabHOffset.
-  int mini_tab_count = 0, non_mini_tab_count = 0;
-  drag_data_->GetNumberOfMiniNonMiniTabs(from, to,
-                                         &mini_tab_count, &non_mini_tab_count);
-  int width = non_mini_tab_count * static_cast<int>(floor(normal_width_ + 0.5))
-      + mini_tab_count * mini_width_ - std::max(to - from - 1, 0) * 16;
-  return width;
-}
-
-int DraggedViewGtk::GetTotalWidthInTabStrip() {
-  return GetWidthInTabStripFromTo(0, drag_data_->size());
-}
-
-int DraggedViewGtk::GetWidthInTabStripUpToSourceTab() {
-  if (!base::i18n::IsRTL()) {
-    return GetWidthInTabStripFromTo(0, drag_data_->source_tab_index());
-  } else {
-    return GetWidthInTabStripFromTo(
-        drag_data_->source_tab_index() + 1, drag_data_->size());
-  }
-}
-
-int DraggedViewGtk::GetWidthInTabStripUpToMousePointer() {
-   int width = GetWidthInTabStripUpToSourceTab() + mouse_tab_offset_.x();
-   if (!base::i18n::IsRTL() && drag_data_->source_tab_index() > 0) {
-     width -= 16;
-   } else if (base::i18n::IsRTL() &&
-              drag_data_->source_tab_index() <
-                  static_cast<int>(drag_data_->size()) - 1) {
-     width -= 16;
-   }
-   return width;
-}
-
-void DraggedViewGtk::AnimateToBounds(const gfx::Rect& bounds,
-                                     const base::Closure& callback) {
-  animation_callback_ = callback;
-
-  gint x, y, width, height;
-  GdkWindow* gdk_window = gtk_widget_get_window(container_);
-  gdk_window_get_origin(gdk_window, &x, &y);
-  gdk_window_get_geometry(gdk_window, NULL, NULL,
-                          &width, &height, NULL);
-
-  animation_start_bounds_ = gfx::Rect(x, y, width, height);
-  animation_end_bounds_ = bounds;
-
-  close_animation_.SetSlideDuration(kAnimateToBoundsDurationMs);
-  close_animation_.SetTweenType(gfx::Tween::EASE_OUT);
-  if (!close_animation_.IsShowing()) {
-    close_animation_.Reset();
-    close_animation_.Show();
-  }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// DraggedViewGtk, gfx::AnimationDelegate implementation:
-
-void DraggedViewGtk::AnimationProgressed(const gfx::Animation* animation) {
-  int delta_x = (animation_end_bounds_.x() - animation_start_bounds_.x());
-  int x = animation_start_bounds_.x() +
-      static_cast<int>(delta_x * animation->GetCurrentValue());
-  int y = animation_end_bounds_.y();
-  GdkWindow* gdk_window = gtk_widget_get_window(container_);
-  gdk_window_move(gdk_window, x, y);
-}
-
-void DraggedViewGtk::AnimationEnded(const gfx::Animation* animation) {
-  animation_callback_.Run();
-}
-
-void DraggedViewGtk::AnimationCanceled(const gfx::Animation* animation) {
-  AnimationEnded(animation);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// DraggedViewGtk, private:
-
-void DraggedViewGtk::Layout() {
-  if (attached_) {
-    for (size_t i = 0; i < renderers_.size(); i++) {
-      gfx::Rect rect(GetPreferredSize());
-      rect.set_width(GetAttachedTabWidthAt(i));
-      renderers_[i]->SetBounds(rect);
-    }
-  } else {
-    int left = 0;
-    if (base::i18n::IsRTL())
-      left = GetPreferredSize().width() - attached_tab_size_.width();
-
-    // The renderer_'s width should be attached_tab_size_.width() in both LTR
-    // and RTL locales. Wrong width will cause the wrong positioning of the tab
-    // view in dragging. Please refer to http://crbug.com/6223 for details.
-    renderers_[drag_data_->source_tab_index()]->SetBounds(
-        gfx::Rect(left, 0, attached_tab_size_.width(),
-                  attached_tab_size_.height()));
-  }
-}
-
-gfx::Size DraggedViewGtk::GetPreferredSize() {
-  if (attached_) {
-    gfx::Size preferred_size(attached_tab_size_);
-    preferred_size.set_width(GetTotalWidthInTabStrip());
-    return preferred_size;
-  }
-
-  int width = std::max(attached_tab_size_.width(), contents_size_.width()) +
-      kTwiceDragFrameBorderSize;
-  int height = attached_tab_size_.height() + kDragFrameBorderSize +
-      contents_size_.height();
-  return gfx::Size(width, height);
-}
-
-void DraggedViewGtk::ResizeContainer() {
-  gfx::Size size = GetPreferredSize();
-  gtk_window_resize(GTK_WINDOW(container_),
-                    ScaleValue(size.width()), ScaleValue(size.height()));
-  Layout();
-}
-
-int DraggedViewGtk::ScaleValue(int value) {
-  return attached_ ? value : static_cast<int>(value * kScalingFactor);
-}
-
-gfx::Rect DraggedViewGtk::bounds() const {
-  gint x, y, width, height;
-  gtk_window_get_position(GTK_WINDOW(container_), &x, &y);
-  gtk_window_get_size(GTK_WINDOW(container_), &width, &height);
-  return gfx::Rect(x, y, width, height);
-}
-
-int DraggedViewGtk::GetAttachedTabWidthAt(int index) {
-  return drag_data_->get(index)->mini_? mini_width_ : normal_width_;
-}
-
-void DraggedViewGtk::SetContainerColorMap() {
-  GdkScreen* screen = gtk_widget_get_screen(container_);
-  GdkColormap* colormap = gdk_screen_get_rgba_colormap(screen);
-
-  // If rgba is not available, use rgb instead.
-  if (!colormap)
-    colormap = gdk_screen_get_rgb_colormap(screen);
-
-  gtk_widget_set_colormap(container_, colormap);
-}
-
-void DraggedViewGtk::SetContainerTransparency() {
-  cairo_t* cairo_context = gdk_cairo_create(gtk_widget_get_window(container_));
-  if (!cairo_context)
-    return;
-
-  // Make the background of the dragged tab window fully transparent.  All of
-  // the content of the window (child widgets) will be completely opaque.
-  gfx::Size size = bounds().size();
-  cairo_scale(cairo_context, static_cast<double>(size.width()),
-              static_cast<double>(size.height()));
-  cairo_set_source_rgba(cairo_context, 1.0f, 1.0f, 1.0f, 0.0f);
-  cairo_set_operator(cairo_context, CAIRO_OPERATOR_SOURCE);
-  cairo_paint(cairo_context);
-  cairo_destroy(cairo_context);
-}
-
-void DraggedViewGtk::SetContainerShapeMask() {
-  // Create a 1bpp bitmap the size of |container_|.
-  gfx::Size size(GetPreferredSize());
-  GdkPixmap* pixmap = gdk_pixmap_new(NULL, size.width(), size.height(), 1);
-  cairo_t* cairo_context = gdk_cairo_create(GDK_DRAWABLE(pixmap));
-
-  // Set the transparency.
-  cairo_set_source_rgba(cairo_context, 1.0f, 1.0f, 1.0f, 0.0f);
-
-  // Blit the rendered bitmap into a pixmap.  Any pixel set in the pixmap will
-  // be opaque in the container window.
-  if (!attached_)
-    cairo_scale(cairo_context, kScalingFactor, kScalingFactor);
-  for (size_t i = 0; i < renderers_.size(); i++) {
-    if (static_cast<int>(i) == 0)
-      cairo_set_operator(cairo_context, CAIRO_OPERATOR_SOURCE);
-    else
-      cairo_set_operator(cairo_context, CAIRO_OPERATOR_OVER);
-
-    GtkAllocation allocation;
-    gtk_widget_get_allocation(container_, &allocation);
-    PaintTab(i, container_, cairo_context, allocation.width);
-  }
-
-  if (!attached_) {
-    // Make the render area depiction opaque (leaving enough room for the
-    // border).
-    cairo_identity_matrix(cairo_context);
-    // On Lucid running VNC, the X server will reject RGBA (1,1,1,1) as an
-    // invalid value below in gdk_window_shape_combine_mask(). Using (0,0,0,1)
-    // instead. The value doesn't really matter, as long as the alpha is not 0.
-    cairo_set_source_rgba(cairo_context, 0.0f, 0.0f, 0.0f, 1.0f);
-    int tab_height = static_cast<int>(
-        kScalingFactor * renderers_[drag_data_->source_tab_index()]->height() -
-            kDragFrameBorderSize);
-    cairo_rectangle(cairo_context,
-                    0, tab_height,
-                    size.width(), size.height() - tab_height);
-    cairo_fill(cairo_context);
-  }
-
-  cairo_destroy(cairo_context);
-
-  // Set the shape mask.
-  GdkWindow* gdk_window = gtk_widget_get_window(container_);
-  gdk_window_shape_combine_mask(gdk_window, pixmap, 0, 0);
-  g_object_unref(pixmap);
-}
-
-gboolean DraggedViewGtk::OnExpose(GtkWidget* widget, GdkEventExpose* event) {
-  TRACE_EVENT0("ui::gtk", "DraggedViewGtk::OnExpose");
-
-  if (ui::IsScreenComposited())
-    SetContainerTransparency();
-  else
-    SetContainerShapeMask();
-
-  // Only used when not attached.
-  int tab_height = static_cast<int>(
-      kScalingFactor * renderers_[drag_data_->source_tab_index()]->height());
-
-  GtkAllocation allocation;
-  gtk_widget_get_allocation(widget, &allocation);
-
-  // Draw the render area.
-  if (!attached_) {
-    content::RenderWidgetHost* render_widget_host =
-        drag_data_->GetSourceWebContents()->GetRenderViewHost();
-
-    // This leaves room for the border.
-    gfx::Rect dest_rect(kDragFrameBorderSize, tab_height,
-                        allocation.width - kTwiceDragFrameBorderSize,
-                        allocation.height - tab_height -
-                        kDragFrameBorderSize);
-    render_widget_host->CopyFromBackingStoreToGtkWindow(
-        dest_rect, GDK_DRAWABLE(gtk_widget_get_window(widget)));
-  }
-
-  cairo_t* cr = gdk_cairo_create(gtk_widget_get_window(widget));
-  // Draw the border.
-  if (!attached_) {
-    cairo_set_line_width(cr, kDragFrameBorderSize);
-    cairo_set_source_rgb(cr, kDraggedTabBorderColor[0],
-                             kDraggedTabBorderColor[1],
-                             kDraggedTabBorderColor[2]);
-    // |offset| is the distance from the edge of the image to the middle of
-    // the border line.
-    double offset = kDragFrameBorderSize / 2.0 - 0.5;
-    double left_x = offset;
-    double top_y = tab_height - kDragFrameBorderSize + offset;
-    double right_x = allocation.width - offset;
-    double bottom_y = allocation.height - offset;
-
-    cairo_move_to(cr, left_x, top_y);
-    cairo_line_to(cr, left_x, bottom_y);
-    cairo_line_to(cr, right_x, bottom_y);
-    cairo_line_to(cr, right_x, top_y);
-    cairo_line_to(cr, left_x, top_y);
-    cairo_stroke(cr);
-  }
-
-  // Draw the tab.
-  if (!attached_)
-    cairo_scale(cr, kScalingFactor, kScalingFactor);
-  // Painting all but the active tab first, from last to first.
-  for (int i = renderers_.size() - 1; i >= 0; i--) {
-    if (i == drag_data_->source_tab_index())
-      continue;
-    PaintTab(i, widget, cr, allocation.width);
-  }
-  // Painting the active tab last, so that it appears on top.
-  PaintTab(drag_data_->source_tab_index(), widget, cr,
-           allocation.width);
-
-  cairo_destroy(cr);
-
-  // We've already drawn the tab, so don't propagate the expose-event signal.
-  return TRUE;
-}
-
-void DraggedViewGtk::PaintTab(int index, GtkWidget* widget, cairo_t* cr,
-                              int widget_width) {
-  renderers_[index]->set_mini(drag_data_->get(index)->mini_);
-  cairo_surface_t* surface = renderers_[index]->PaintToSurface(widget, cr);
-
-  int paint_at = 0;
-  if (!base::i18n::IsRTL()) {
-    paint_at = std::max(GetWidthInTabStripFromTo(0, index) - 16, 0);
-  } else {
-    paint_at = GetTotalWidthInTabStrip() -
-        GetWidthInTabStripFromTo(0, index + 1);
-    if (!attached_) {
-      paint_at = widget_width / kScalingFactor -
-          GetWidthInTabStripFromTo(0, index + 1);
-    }
-  }
-
-  cairo_set_source_surface(cr, surface, paint_at, 0);
-  cairo_paint(cr);
-  cairo_surface_destroy(surface);
-}