172a454cd3513ac24fbdd0e0cb9ad70b86a99b801Kristian Monsen// Copyright (c) 2011 The Chromium Authors. All rights reserved. 2c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// Use of this source code is governed by a BSD-style license that can be 3c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// found in the LICENSE file. 4c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 572a454cd3513ac24fbdd0e0cb9ad70b86a99b801Kristian Monsen#include "chrome/browser/ui/gtk/focus_store_gtk.h" 6c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 7c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include <gtk/gtk.h> 8c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 9c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "chrome/browser/platform_util.h" 10c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 113345a6884c488ff3a535c2c9acdd33d74b37e311Iain MerrickFocusStoreGtk::FocusStoreGtk() 123345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick : widget_(NULL), 133345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick destroy_handler_id_(0) { 14c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 15c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 16c407dc5cd9bdc5668497f21b26b09d988ab439deBen MurdochFocusStoreGtk::~FocusStoreGtk() { 17c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch DisconnectDestroyHandler(); 18c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 19c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 20c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochvoid FocusStoreGtk::Store(GtkWidget* widget) { 213345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick GtkWidget* focus_widget = NULL; 223345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick if (widget) { 233345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick GtkWindow* window = platform_util::GetTopLevel(widget); 243345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick if (window) 253345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick focus_widget = window->focus_widget; 26c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 27c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 283345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick SetWidget(focus_widget); 293345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick} 30c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 313345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrickvoid FocusStoreGtk::SetWidget(GtkWidget* widget) { 323345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick DisconnectDestroyHandler(); 333345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick 343345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // We don't add a ref. The signal handler below effectively gives us a weak 353345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick // reference. 363345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick widget_ = widget; 37c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (widget_) { 38c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // When invoked, |gtk_widget_destroyed| will set |widget_| to NULL. 39c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch destroy_handler_id_ = g_signal_connect(widget_, "destroy", 40c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch G_CALLBACK(gtk_widget_destroyed), 41c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch &widget_); 42c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 43c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 44c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 45c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochvoid FocusStoreGtk::DisconnectDestroyHandler() { 463345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick if (widget_) { 47c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch g_signal_handler_disconnect(widget_, destroy_handler_id_); 483345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick widget_ = NULL; 493345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick } 50c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 51