Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/web_contents_modal_dialog_manager_gtk.cc

-// Copyright (c) 2013 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/gtk_util.h"
-#include "chrome/browser/ui/gtk/tab_contents/chrome_web_contents_view_delegate_gtk.h"
-#include "components/web_modal/native_web_contents_modal_dialog_manager.h"
-#include "components/web_modal/web_contents_modal_dialog_manager.h"
-#include "content/public/browser/browser_thread.h"
-#include "ui/base/gtk/focus_store_gtk.h"
-
-using web_modal::NativeWebContentsModalDialog;
-using web_modal::NativeWebContentsModalDialogManagerDelegate;
-
-namespace {
-
-// Web contents modal dialog manager implementation for the GTK port. Unlike the
-// Win32 system, ConstrainedWindowGtk doesn't draw draggable fake windows and
-// instead just centers the dialog. It is thus an order of magnitude simpler.
-class NativeWebContentsModalDialogManagerGtk
-    : public web_modal::NativeWebContentsModalDialogManager {
- public:
-  NativeWebContentsModalDialogManagerGtk(
-      NativeWebContentsModalDialogManagerDelegate* native_delegate)
-          : native_delegate_(native_delegate),
-            shown_widget_(NULL) {
-  }
-
-  virtual ~NativeWebContentsModalDialogManagerGtk() {
-  }
-
-  // NativeWebContentsModalDialogManager overrides
-  virtual void ManageDialog(NativeWebContentsModalDialog dialog) OVERRIDE {
-    DCHECK(g_object_is_floating(GetGtkWidget(dialog)));
-    g_object_ref_sink(GetGtkWidget(dialog));
-
-    g_signal_connect(GetGtkWidget(dialog), "hierarchy-changed",
-                     G_CALLBACK(OnHierarchyChangedThunk), this);
-    g_signal_connect(GetGtkWidget(dialog),
-                     "destroy",
-                     G_CALLBACK(OnDestroyThunk),
-                     this);
-  }
-
-  virtual void ShowDialog(NativeWebContentsModalDialog dialog) OVERRIDE {
-    GtkWidget* widget = GetGtkWidget(dialog);
-
-    // Any previously-shown widget should be destroyed before showing a new
-    // widget.
-    DCHECK(shown_widget_ == widget || shown_widget_ == NULL);
-    gtk_widget_show_all(widget);
-
-    if (!shown_widget_) {
-      // We collaborate with WebContentsView and stick ourselves in the
-      // WebContentsView's floating container.
-      ContainingView()->AttachWebContentsModalDialog(widget);
-    }
-
-    shown_widget_ = widget;
-  }
-
-  virtual void HideDialog(NativeWebContentsModalDialog dialog) OVERRIDE {
-    gtk_widget_hide(GetGtkWidget(dialog));
-  }
-
-  virtual void CloseDialog(NativeWebContentsModalDialog dialog) OVERRIDE {
-    gtk_widget_destroy(GetGtkWidget(dialog));
-  }
-
-  virtual void FocusDialog(NativeWebContentsModalDialog dialog) OVERRIDE {
-    GtkWidget* focus_widget =
-        reinterpret_cast<GtkWidget*>(
-            g_object_get_data(G_OBJECT(GetGtkWidget(dialog)), "focus_widget"));
-
-    if (!focus_widget)
-      return;
-
-    // The user may have focused another tab. In this case do not grab focus
-    // until this tab is refocused.
-    if (gtk_util::IsWidgetAncestryVisible(focus_widget))
-      gtk_widget_grab_focus(focus_widget);
-    else
-      ContainingView()->focus_store()->SetWidget(focus_widget);
-  }
-
-  virtual void PulseDialog(NativeWebContentsModalDialog dialog) OVERRIDE {
-  }
-
-  virtual void HostChanged(
-      web_modal::WebContentsModalDialogHost* new_host) OVERRIDE {
-  }
-
- private:
-  typedef ChromeWebContentsViewDelegateGtk TabContentsViewType;
-
-  GtkWidget* GetGtkWidget(NativeWebContentsModalDialog dialog) {
-    return GTK_WIDGET(dialog);
-  }
-
-  // Returns the View that we collaborate with to position ourselves.
-  TabContentsViewType* ContainingView() const {
-    // WebContents may be destroyed already on tab shutdown.
-     content::WebContents* web_contents = native_delegate_->GetWebContents();
-    return web_contents ?
-        ChromeWebContentsViewDelegateGtk::GetFor(web_contents) : NULL;
-  }
-
-  CHROMEGTK_CALLBACK_1(NativeWebContentsModalDialogManagerGtk,
-                       void,
-                       OnHierarchyChanged,
-                       GtkWidget*);
-  CHROMEGTK_CALLBACK_0(NativeWebContentsModalDialogManagerGtk, void, OnDestroy);
-
-  NativeWebContentsModalDialogManagerDelegate* native_delegate_;
-
-  // The widget currently being shown.
-  GtkWidget* shown_widget_;
-
-  DISALLOW_COPY_AND_ASSIGN(NativeWebContentsModalDialogManagerGtk);
-};
-
-void NativeWebContentsModalDialogManagerGtk::OnHierarchyChanged(
-    GtkWidget* sender,
-    GtkWidget* previous_toplevel) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-
-  if (!gtk_widget_is_toplevel(gtk_widget_get_toplevel(sender)))
-    return;
-
-  FocusDialog(sender);
-}
-
-void NativeWebContentsModalDialogManagerGtk::OnDestroy(
-    GtkWidget* sender) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-
-  if (shown_widget_ == sender) {
-    // The containing view may already be destroyed on tab shutdown.
-    if (ContainingView())
-      ContainingView()->RemoveWebContentsModalDialog(sender);
-
-    shown_widget_ = NULL;
-  }
-
-  native_delegate_->WillClose(sender);
-
-  g_object_unref(sender);
-}
-
-}  // namespace
-
-namespace web_modal {
-
-NativeWebContentsModalDialogManager*
-    WebContentsModalDialogManager::CreateNativeManager(
-        NativeWebContentsModalDialogManagerDelegate* native_delegate) {
-  return new NativeWebContentsModalDialogManagerGtk(native_delegate);
-}
-
-}  // namespace web_modal