1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/ui/gtk/fullscreen_exit_bubble_gtk.h"
6
7#include "chrome/browser/ui/gtk/gtk_chrome_link_button.h"
8#include "chrome/browser/ui/gtk/gtk_floating_container.h"
9#include "chrome/browser/ui/gtk/gtk_util.h"
10#include "chrome/browser/ui/gtk/rounded_window.h"
11#include "grit/app_strings.h"
12#include "grit/generated_resources.h"
13#include "ui/base/l10n/l10n_util.h"
14
15namespace {
16
17// Padding around the link text.
18const int kPaddingPixels = 8;
19
20// Time before the link slides away. This is a bit longer than the Windows
21// timeout because we don't yet support reshowing when the mouse moves to the
22// of the screen.
23const int kInitialDelayMs = 3000;
24
25// How long the slide up animation takes when hiding the bubble.
26const int kSlideOutDurationMs = 700;
27
28}
29
30FullscreenExitBubbleGtk::FullscreenExitBubbleGtk(
31    GtkFloatingContainer* container)
32    : container_(container) {
33  InitWidgets();
34}
35
36FullscreenExitBubbleGtk::~FullscreenExitBubbleGtk() {
37}
38
39void FullscreenExitBubbleGtk::InitWidgets() {
40  // The exit bubble is a gtk_chrome_link_button inside a gtk event box and gtk
41  // alignment (these provide the background color).  This is then made rounded
42  // and put into a slide widget.
43
44  // The Windows code actually looks up the accelerator key in the accelerator
45  // table and then converts the key to a string (in a switch statement).
46  std::string exit_text_utf8("<span color=\"white\" size=\"large\">");
47  exit_text_utf8.append(l10n_util::GetStringFUTF8(
48      IDS_EXIT_FULLSCREEN_MODE, l10n_util::GetStringUTF16(IDS_APP_F11_KEY)));
49  exit_text_utf8.append("</span>");
50  GtkWidget* link = gtk_chrome_link_button_new_with_markup(
51      exit_text_utf8.c_str());
52  gtk_chrome_link_button_set_use_gtk_theme(GTK_CHROME_LINK_BUTTON(link),
53                                           FALSE);
54  signals_.Connect(link, "clicked", G_CALLBACK(OnLinkClickedThunk), this);
55
56  GtkWidget* container = gtk_util::CreateGtkBorderBin(
57      link, &gtk_util::kGdkBlack,
58      kPaddingPixels, kPaddingPixels, kPaddingPixels, kPaddingPixels);
59  gtk_util::ActAsRoundedWindow(container, gtk_util::kGdkGreen, kPaddingPixels,
60      gtk_util::ROUNDED_BOTTOM_LEFT | gtk_util::ROUNDED_BOTTOM_RIGHT,
61      gtk_util::BORDER_NONE);
62
63  slide_widget_.reset(new SlideAnimatorGtk(container,
64      SlideAnimatorGtk::DOWN, kSlideOutDurationMs, false, false, NULL));
65  gtk_widget_set_name(widget(), "exit-fullscreen-bubble");
66  gtk_widget_show_all(container);
67  gtk_widget_show(widget());
68  slide_widget_->OpenWithoutAnimation();
69
70  // TODO(tc): Implement the more complex logic in the windows version for
71  // when to show/hide the exit bubble.
72  initial_delay_.Start(base::TimeDelta::FromMilliseconds(kInitialDelayMs), this,
73                       &FullscreenExitBubbleGtk::Hide);
74
75  gtk_floating_container_add_floating(GTK_FLOATING_CONTAINER(container_),
76                                      widget());
77  signals_.Connect(container_, "set-floating-position",
78                   G_CALLBACK(OnSetFloatingPositionThunk), this);
79}
80
81void FullscreenExitBubbleGtk::Hide() {
82  slide_widget_->Close();
83}
84
85void FullscreenExitBubbleGtk::OnSetFloatingPosition(
86    GtkWidget* floating_container,
87    GtkAllocation* allocation) {
88  GtkRequisition bubble_size;
89  gtk_widget_size_request(widget(), &bubble_size);
90
91  // Position the bubble at the top center of the screen.
92  GValue value = { 0, };
93  g_value_init(&value, G_TYPE_INT);
94  g_value_set_int(&value, (allocation->width - bubble_size.width) / 2);
95  gtk_container_child_set_property(GTK_CONTAINER(floating_container),
96                                   widget(), "x", &value);
97
98  g_value_set_int(&value, 0);
99  gtk_container_child_set_property(GTK_CONTAINER(floating_container),
100                                   widget(), "y", &value);
101  g_value_unset(&value);
102}
103
104void FullscreenExitBubbleGtk::OnLinkClicked(GtkWidget* link) {
105  GtkWindow* window = GTK_WINDOW(gtk_widget_get_toplevel(widget()));
106  gtk_window_unfullscreen(window);
107}
108