Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/tab_contents_container_gtk.cc

-// Copyright 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/tab_contents_container_gtk.h"
-
-#include <algorithm>
-
-#include "base/i18n/rtl.h"
-#include "chrome/browser/ui/gtk/status_bubble_gtk.h"
-#include "content/public/browser/render_widget_host_view.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_view.h"
-#include "ui/base/gtk/gtk_expanded_container.h"
-#include "ui/base/gtk/gtk_floating_container.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace {
-void HideWidget(GtkWidget* widget, gpointer ignored) {
-  gtk_widget_hide(widget);
-}
-}  // namespace
-
-TabContentsContainerGtk::TabContentsContainerGtk(StatusBubbleGtk* status_bubble,
-                                                 bool embed_fullscreen_widget)
-    : status_bubble_(status_bubble),
-      should_embed_fullscreen_widgets_(embed_fullscreen_widget),
-      is_embedding_fullscreen_widget_(false) {
-  // A high level overview of the TabContentsContainer:
-  //
-  // +- GtkFloatingContainer |floating_| -------------------------------+
-  // |+- GtkExpandedContainer |expanded_| -----------------------------+|
-  // ||                                                                ||
-  // ||                                                                ||
-  // ||                                                                ||
-  // ||                                                                ||
-  // |+- (StatusBubble) ------+                                        ||
-  // |+                       +                                        ||
-  // |+-----------------------+----------------------------------------+|
-  // +------------------------------------------------------------------+
-
-  floating_.Own(gtk_floating_container_new());
-  gtk_widget_set_name(floating_.get(), "chrome-tab-contents-container");
-
-  expanded_ = gtk_expanded_container_new();
-  gtk_container_add(GTK_CONTAINER(floating_.get()), expanded_);
-
-  if (status_bubble_) {
-    gtk_floating_container_add_floating(GTK_FLOATING_CONTAINER(floating_.get()),
-                                        status_bubble_->widget());
-    g_signal_connect(floating_.get(), "set-floating-position",
-                     G_CALLBACK(OnSetFloatingPosition), this);
-  }
-
-  gtk_widget_show(expanded_);
-  gtk_widget_show(floating_.get());
-
-  ViewIDUtil::SetDelegateForWidget(widget(), this);
-}
-
-TabContentsContainerGtk::~TabContentsContainerGtk() {
-  floating_.Destroy();
-}
-
-void TabContentsContainerGtk::SetTab(content::WebContents* tab) {
-  if (tab == web_contents())
-    return;
-
-  HideTab();
-  WebContentsObserver::Observe(tab);
-  is_embedding_fullscreen_widget_ =
-      should_embed_fullscreen_widgets_ &&
-      tab && tab->GetFullscreenRenderWidgetHostView();
-  PackTab();
-}
-
-void TabContentsContainerGtk::PackTab() {
-  content::WebContents* const tab = web_contents();
-  if (!tab)
-    return;
-
-  const gfx::NativeView widget = is_embedding_fullscreen_widget_ ?
-      tab->GetFullscreenRenderWidgetHostView()->GetNativeView() :
-      tab->GetView()->GetNativeView();
-  if (widget) {
-    if (gtk_widget_get_parent(widget) != expanded_)
-      gtk_container_add(GTK_CONTAINER(expanded_), widget);
-    gtk_widget_show(widget);
-  }
-
-  if (is_embedding_fullscreen_widget_)
-    return;
-
-  tab->WasShown();
-
-  // Make sure that the tab is below the find bar. Sometimes the content
-  // native view will be null.
-  GtkWidget* const content_widget = tab->GetView()->GetContentNativeView();
-  if (content_widget) {
-    GdkWindow* const content_gdk_window = gtk_widget_get_window(content_widget);
-    if (content_gdk_window)
-      gdk_window_lower(content_gdk_window);
-  }
-}
-
-void TabContentsContainerGtk::HideTab() {
-  content::WebContents* const tab = web_contents();
-  if (!tab)
-    return;
-
-  gtk_container_foreach(GTK_CONTAINER(expanded_), &HideWidget, NULL);
-  if (is_embedding_fullscreen_widget_)
-    return;
-  tab->WasHidden();
-}
-
-void TabContentsContainerGtk::DetachTab(content::WebContents* tab) {
-  if (!tab)
-    return;
-  if (tab == web_contents()) {
-    HideTab();
-    WebContentsObserver::Observe(NULL);
-  }
-
-  const gfx::NativeView widget = tab->GetView()->GetNativeView();
-  const gfx::NativeView fs_widget =
-      (should_embed_fullscreen_widgets_ &&
-       tab->GetFullscreenRenderWidgetHostView()) ?
-          tab->GetFullscreenRenderWidgetHostView()->GetNativeView() : NULL;
-
-  // It is possible to detach an unrealized, unparented WebContents if you
-  // slow things down enough in valgrind. Might happen in the real world, too.
-  if (widget) {
-    GtkWidget* const parent = gtk_widget_get_parent(widget);
-    if (parent) {
-      DCHECK_EQ(parent, expanded_);
-      gtk_container_remove(GTK_CONTAINER(expanded_), widget);
-    }
-  }
-  if (fs_widget) {
-    GtkWidget* const parent = gtk_widget_get_parent(fs_widget);
-    if (parent) {
-      DCHECK_EQ(parent, expanded_);
-      gtk_container_remove(GTK_CONTAINER(expanded_), fs_widget);
-    }
-  }
-}
-
-void TabContentsContainerGtk::WebContentsDestroyed(
-    content::WebContents* contents) {
-  // Sometimes, a WebContents is destroyed before we know about it. This allows
-  // us to clean up our state in case this happens.
-  DetachTab(contents);
-}
-
-// -----------------------------------------------------------------------------
-// ViewIDUtil::Delegate implementation
-
-GtkWidget* TabContentsContainerGtk::GetWidgetForViewID(ViewID view_id) {
-  if (view_id == VIEW_ID_TAB_CONTAINER)
-    return widget();
-
-  return NULL;
-}
-
-// -----------------------------------------------------------------------------
-
-void TabContentsContainerGtk::DidShowFullscreenWidget(int routing_id) {
-  if (!should_embed_fullscreen_widgets_)
-    return;
-  HideTab();
-  is_embedding_fullscreen_widget_ =
-      web_contents() && web_contents()->GetFullscreenRenderWidgetHostView();
-  PackTab();
-}
-
-void TabContentsContainerGtk::DidDestroyFullscreenWidget(int routing_id) {
-  if (!should_embed_fullscreen_widgets_)
-    return;
-  HideTab();
-  is_embedding_fullscreen_widget_ = false;
-  PackTab();
-}
-
-// static
-void TabContentsContainerGtk::OnSetFloatingPosition(
-    GtkFloatingContainer* floating_container, GtkAllocation* allocation,
-    TabContentsContainerGtk* tab_contents_container) {
-  StatusBubbleGtk* status = tab_contents_container->status_bubble_;
-
-  // Look at the size request of the status bubble and tell the
-  // GtkFloatingContainer where we want it positioned.
-  GtkRequisition requisition;
-  gtk_widget_size_request(status->widget(), &requisition);
-
-  bool ltr = !base::i18n::IsRTL();
-
-  GValue value = { 0, };
-  g_value_init(&value, G_TYPE_INT);
-  if (ltr ^ status->flip_horizontally())  // Is it on the left?
-    g_value_set_int(&value, 0);
-  else
-    g_value_set_int(&value, allocation->width - requisition.width);
-  gtk_container_child_set_property(GTK_CONTAINER(floating_container),
-                                   status->widget(), "x", &value);
-
-  int child_y = std::max(allocation->height - requisition.height, 0);
-  g_value_set_int(&value, child_y + status->y_offset());
-  gtk_container_child_set_property(GTK_CONTAINER(floating_container),
-                                   status->widget(), "y", &value);
-  g_value_unset(&value);
-}