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

chrome/browser/gtk/tabs/dragged_tab_gtk.cc

Index: chrome/browser/gtk/tabs/dragged_tab_gtk.cc
===================================================================
--- chrome/browser/gtk/tabs/dragged_tab_gtk.cc	(revision 71352)
+++ chrome/browser/gtk/tabs/dragged_tab_gtk.cc	(working copy)
@@ -1,339 +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/dragged_tab_gtk.h"
-
-#include <gdk/gdk.h>
-
-#include <algorithm>
-
-#include "app/x11_util.h"
-#include "base/i18n/rtl.h"
-#include "chrome/browser/gtk/gtk_util.h"
-#include "chrome/browser/gtk/tabs/tab_renderer_gtk.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/renderer_host/backing_store_x.h"
-#include "chrome/browser/renderer_host/render_view_host.h"
-#include "chrome/browser/tab_contents/tab_contents.h"
-#include "chrome/browser/tabs/tab_strip_model.h"
-#include "chrome/browser/themes/browser_theme_provider.h"
-#include "gfx/gtk_util.h"
-#include "third_party/skia/include/core/SkShader.h"
-
-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
-
-////////////////////////////////////////////////////////////////////////////////
-// DraggedTabGtk, public:
-
-DraggedTabGtk::DraggedTabGtk(TabContents* datasource,
-                             const gfx::Point& mouse_tab_offset,
-                             const gfx::Size& contents_size,
-                             bool mini)
-    : data_source_(datasource),
-      renderer_(new TabRendererGtk(datasource->profile()->GetThemeProvider())),
-      attached_(false),
-      mouse_tab_offset_(mouse_tab_offset),
-      attached_tab_size_(TabRendererGtk::GetMinimumSelectedSize()),
-      contents_size_(contents_size),
-      close_animation_(this) {
-  renderer_->UpdateData(datasource,
-                        datasource->is_app(),
-                        false); // loading_only
-  renderer_->set_mini(mini);
-
-  container_ = gtk_window_new(GTK_WINDOW_POPUP);
-  SetContainerColorMap();
-  gtk_widget_set_app_paintable(container_, TRUE);
-  g_signal_connect(container_, "expose-event",
-                   G_CALLBACK(OnExposeEvent), 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();
-  gtk_fixed_put(GTK_FIXED(fixed_), renderer_->widget(), 0, 0);
-  gtk_container_add(GTK_CONTAINER(container_), fixed_);
-  gtk_widget_show_all(container_);
-}
-
-DraggedTabGtk::~DraggedTabGtk() {
-  gtk_widget_destroy(container_);
-}
-
-void DraggedTabGtk::MoveTo(const gfx::Point& screen_point) {
-  int x = screen_point.x() + mouse_tab_offset_.x() -
-      ScaleValue(mouse_tab_offset_.x());
-  int y = screen_point.y() + mouse_tab_offset_.y() -
-      ScaleValue(mouse_tab_offset_.y());
-
-  gtk_window_move(GTK_WINDOW(container_), x, y);
-}
-
-void DraggedTabGtk::Attach(int selected_width) {
-  attached_ = true;
-  Resize(selected_width);
-
-  if (gtk_util::IsScreenComposited())
-    gdk_window_set_opacity(container_->window, kOpaqueAlpha);
-}
-
-void DraggedTabGtk::Resize(int width) {
-  attached_tab_size_.set_width(width);
-  ResizeContainer();
-}
-
-void DraggedTabGtk::Detach() {
-  attached_ = false;
-  ResizeContainer();
-
-  if (gtk_util::IsScreenComposited())
-    gdk_window_set_opacity(container_->window, kTransparentAlpha);
-}
-
-void DraggedTabGtk::Update() {
-  gtk_widget_queue_draw(container_);
-}
-
-void DraggedTabGtk::AnimateToBounds(const gfx::Rect& bounds,
-                                    AnimateToBoundsCallback* callback) {
-  animation_callback_.reset(callback);
-
-  gint x, y, width, height;
-  gdk_window_get_origin(container_->window, &x, &y);
-  gdk_window_get_geometry(container_->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(ui::Tween::EASE_OUT);
-  if (!close_animation_.IsShowing()) {
-    close_animation_.Reset();
-    close_animation_.Show();
-  }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// DraggedTabGtk, ui::AnimationDelegate implementation:
-
-void DraggedTabGtk::AnimationProgressed(const ui::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();
-  gdk_window_move(container_->window, x, y);
-}
-
-void DraggedTabGtk::AnimationEnded(const ui::Animation* animation) {
-  animation_callback_->Run();
-}
-
-void DraggedTabGtk::AnimationCanceled(const ui::Animation* animation) {
-  AnimationEnded(animation);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// DraggedTabGtk, private:
-
-void DraggedTabGtk::Layout() {
-  if (attached_) {
-    renderer_->SetBounds(gfx::Rect(GetPreferredSize()));
-  } 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.
-    renderer_->SetBounds(gfx::Rect(left, 0, attached_tab_size_.width(),
-                         attached_tab_size_.height()));
-  }
-}
-
-gfx::Size DraggedTabGtk::GetPreferredSize() {
-  if (attached_)
-    return attached_tab_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 DraggedTabGtk::ResizeContainer() {
-  gfx::Size size = GetPreferredSize();
-  gtk_window_resize(GTK_WINDOW(container_),
-                    ScaleValue(size.width()), ScaleValue(size.height()));
-  Layout();
-}
-
-int DraggedTabGtk::ScaleValue(int value) {
-  return attached_ ? value : static_cast<int>(value * kScalingFactor);
-}
-
-gfx::Rect DraggedTabGtk::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);
-}
-
-void DraggedTabGtk::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 DraggedTabGtk::SetContainerTransparency() {
-  cairo_t* cairo_context = gdk_cairo_create(container_->window);
-  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 DraggedTabGtk::SetContainerShapeMask(cairo_surface_t* surface) {
-  // Create a 1bpp bitmap the size of |container_|.
-  gfx::Size size = bounds().size();
-  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.
-  cairo_set_operator(cairo_context, CAIRO_OPERATOR_SOURCE);
-  if (!attached_)
-    cairo_scale(cairo_context, kScalingFactor, kScalingFactor);
-  cairo_set_source_surface(cairo_context, surface, 0, 0);
-  cairo_paint(cairo_context);
-
-  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 *
-                                      renderer_->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.
-  gdk_window_shape_combine_mask(container_->window, pixmap, 0, 0);
-  g_object_unref(pixmap);
-}
-
-// static
-gboolean DraggedTabGtk::OnExposeEvent(GtkWidget* widget,
-                                      GdkEventExpose* event,
-                                      DraggedTabGtk* dragged_tab) {
-  cairo_surface_t* surface = dragged_tab->renderer_->PaintToSurface();
-  if (gtk_util::IsScreenComposited()) {
-    dragged_tab->SetContainerTransparency();
-  } else {
-    dragged_tab->SetContainerShapeMask(surface);
-  }
-
-  // Only used when not attached.
-  int tab_width = static_cast<int>(kScalingFactor *
-      dragged_tab->renderer_->width());
-  int tab_height = static_cast<int>(kScalingFactor *
-      dragged_tab->renderer_->height());
-
-  // Draw the render area.
-  BackingStore* backing_store =
-      dragged_tab->data_source_->render_view_host()->GetBackingStore(false);
-  if (backing_store && !dragged_tab->attached_) {
-    // This leaves room for the border.
-    static_cast<BackingStoreX*>(backing_store)->PaintToRect(
-        gfx::Rect(kDragFrameBorderSize, tab_height,
-                  widget->allocation.width - kTwiceDragFrameBorderSize,
-                  widget->allocation.height - tab_height -
-                  kDragFrameBorderSize),
-        GDK_DRAWABLE(widget->window));
-  }
-
-  cairo_t* cr = gdk_cairo_create(GDK_DRAWABLE(widget->window));
-  // Draw the border.
-  if (!dragged_tab->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 = widget->allocation.width - offset;
-    double bottom_y = widget->allocation.height - offset;
-    double middle_x = tab_width + offset;
-
-    // We don't use cairo_rectangle() because we don't want to draw the border
-    // under the tab itself.
-    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, middle_x, top_y);
-    cairo_stroke(cr);
-  }
-
-  // Draw the tab.
-  if (!dragged_tab->attached_)
-    cairo_scale(cr, kScalingFactor, kScalingFactor);
-  cairo_set_source_surface(cr, surface, 0, 0);
-  cairo_paint(cr);
-
-  cairo_destroy(cr);
-
-  cairo_surface_destroy(surface);
-
-  // We've already drawn the tab, so don't propagate the expose-event signal.
-  return TRUE;
-}