Revert 151353 - Panels refactor: Support browserless panels on Linux.

chrome/browser/ui/gtk/gtk_window_util.cc

-// 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/gtk_window_util.h"
-
-#include <dlfcn.h>
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/web_contents.h"
-
-using content::RenderWidgetHost;
-using content::WebContents;
-
-namespace gtk_window_util {
-
-// Performs Cut/Copy/Paste operation on the |window|.
-// If the current render view is focused, then just call the specified |method|
-// against the current render view host, otherwise emit the specified |signal|
-// against the focused widget.
-// TODO(suzhe): This approach does not work for plugins.
-void DoCutCopyPaste(GtkWindow* window,
-                    WebContents* web_contents,
-                    void (RenderWidgetHost::*method)(),
-                    const char* signal) {
-  GtkWidget* widget = gtk_window_get_focus(window);
-  if (widget == NULL)
-    return;  // Do nothing if no focused widget.
-
-  if (web_contents && widget == web_contents->GetContentNativeView()) {
-    (web_contents->GetRenderViewHost()->*method)();
-  } else {
-    guint id;
-    if ((id = g_signal_lookup(signal, G_OBJECT_TYPE(widget))) != 0)
-      g_signal_emit(widget, id, 0);
-  }
-}
-
-void DoCut(GtkWindow* window, WebContents* web_contents) {
-  DoCutCopyPaste(window, web_contents,
-                 &RenderWidgetHost::Cut, "cut-clipboard");
-}
-
-void DoCopy(GtkWindow* window, WebContents* web_contents) {
-  DoCutCopyPaste(window, web_contents,
-                 &RenderWidgetHost::Copy, "copy-clipboard");
-}
-
-void DoPaste(GtkWindow* window, WebContents* web_contents) {
-  DoCutCopyPaste(window, web_contents,
-                 &RenderWidgetHost::Paste, "paste-clipboard");
-}
-
-// Ubuntu patches their version of GTK+ so that there is always a
-// gripper in the bottom right corner of the window. We dynamically
-// look up this symbol because it's a non-standard Ubuntu extension to
-// GTK+. We always need to disable this feature since we can't
-// communicate this to WebKit easily.
-typedef void (*gtk_window_set_has_resize_grip_func)(GtkWindow*, gboolean);
-gtk_window_set_has_resize_grip_func gtk_window_set_has_resize_grip_sym;
-
-void DisableResizeGrip(GtkWindow* window) {
-  static bool resize_grip_looked_up = false;
-  if (!resize_grip_looked_up) {
-    resize_grip_looked_up = true;
-    gtk_window_set_has_resize_grip_sym =
-        reinterpret_cast<gtk_window_set_has_resize_grip_func>(
-            dlsym(NULL, "gtk_window_set_has_resize_grip"));
-  }
-  if (gtk_window_set_has_resize_grip_sym)
-    gtk_window_set_has_resize_grip_sym(window, FALSE);
-}
-
-GdkCursorType GdkWindowEdgeToGdkCursorType(GdkWindowEdge edge) {
-  switch (edge) {
-    case GDK_WINDOW_EDGE_NORTH_WEST:
-      return GDK_TOP_LEFT_CORNER;
-    case GDK_WINDOW_EDGE_NORTH:
-      return GDK_TOP_SIDE;
-    case GDK_WINDOW_EDGE_NORTH_EAST:
-      return GDK_TOP_RIGHT_CORNER;
-    case GDK_WINDOW_EDGE_WEST:
-      return GDK_LEFT_SIDE;
-    case GDK_WINDOW_EDGE_EAST:
-      return GDK_RIGHT_SIDE;
-    case GDK_WINDOW_EDGE_SOUTH_WEST:
-      return GDK_BOTTOM_LEFT_CORNER;
-    case GDK_WINDOW_EDGE_SOUTH:
-      return GDK_BOTTOM_SIDE;
-    case GDK_WINDOW_EDGE_SOUTH_EAST:
-      return GDK_BOTTOM_RIGHT_CORNER;
-    default:
-      NOTREACHED();
-  }
-  return GDK_LAST_CURSOR;
-}
-
-}  // namespace gtk_window_util