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// Copyright (c) 2009 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/gtk/fullscreen_exit_bubble_gtk.h"
#include "app/gfx/gtk_util.h"
#include "app/l10n_util.h"
#include "chrome/browser/gtk/gtk_chrome_link_button.h"
#include "chrome/browser/gtk/gtk_floating_container.h"
#include "chrome/common/gtk_util.h"
#include "grit/app_strings.h"
#include "grit/generated_resources.h"
namespace {
// Padding around the link text.
const int kPaddingPixels = 8;
// Time before the link disappears or slides away.
const int kInitialDelayMs = 3000;
}
FullscreenExitBubbleGtk::FullscreenExitBubbleGtk(
GtkFloatingContainer* container)
: container_(container) {
InitWidgets();
}
FullscreenExitBubbleGtk::~FullscreenExitBubbleGtk() {
// If the user exits the browser while in fullscreen mode, we may already
// have been removed from the widget hierarchy.
GtkWidget* parent = gtk_widget_get_parent(alignment_.get());
if (parent) {
g_signal_handlers_disconnect_by_func(parent,
reinterpret_cast<gpointer>(OnSetFloatingPosition), this);
gtk_container_remove(GTK_CONTAINER(parent), alignment_.get());
}
alignment_.Destroy();
}
void FullscreenExitBubbleGtk::InitWidgets() {
// The exit bubble is a gtk_chrome_link_button inside a gtk event box and gtk
// alignment.
// The Windows code actually looks up the accelerator key in the accelerator
// table and then converts the key to a string (in a switch statement).
std::string exit_text_utf8("<span color=\"white\" size=\"large\">");
exit_text_utf8.append(l10n_util::GetStringFUTF8(
IDS_EXIT_FULLSCREEN_MODE, l10n_util::GetStringUTF16(IDS_APP_F11_KEY)));
exit_text_utf8.append("</span>");
GtkWidget* link = gtk_chrome_link_button_new_with_markup(
exit_text_utf8.c_str());
gtk_chrome_link_button_set_use_gtk_theme(GTK_CHROME_LINK_BUTTON(link),
FALSE);
g_signal_connect(link, "clicked", G_CALLBACK(OnLinkClicked), this);
alignment_.Own(gtk_util::CreateGtkBorderBin(link, &gfx::kGdkBlack,
kPaddingPixels, kPaddingPixels, kPaddingPixels, kPaddingPixels));
gtk_widget_set_name(alignment_.get(), "exit-fullscreen-bubble");
gtk_widget_show_all(alignment_.get());
// TODO(tc): Implement the more complex logic in the windows version for
// when to show/hide the exit bubble.
initial_delay_.Start(base::TimeDelta::FromMilliseconds(kInitialDelayMs), this,
&FullscreenExitBubbleGtk::Hide);
gtk_floating_container_add_floating(GTK_FLOATING_CONTAINER(container_),
alignment_.get());
g_signal_connect(container_, "set-floating-position",
G_CALLBACK(OnSetFloatingPosition), this);
}
void FullscreenExitBubbleGtk::Hide() {
// TODO(tc): Slide out animation.
gtk_widget_hide(alignment_.get());
}
// static
void FullscreenExitBubbleGtk::OnSetFloatingPosition(
GtkFloatingContainer* floating_container, GtkAllocation* allocation,
FullscreenExitBubbleGtk* bubble) {
GtkRequisition bubble_size;
gtk_widget_size_request(bubble->alignment_.get(), &bubble_size);
// Position the bubble at the top center of the screen.
GValue value = { 0, };
g_value_init(&value, G_TYPE_INT);
g_value_set_int(&value, (allocation->width - bubble_size.width) / 2);
gtk_container_child_set_property(GTK_CONTAINER(floating_container),
bubble->alignment_.get(), "x", &value);
g_value_set_int(&value, 0);
gtk_container_child_set_property(GTK_CONTAINER(floating_container),
bubble->alignment_.get(), "y", &value);
g_value_unset(&value);
}
// static
void FullscreenExitBubbleGtk::OnLinkClicked(GtkWidget* link,
FullscreenExitBubbleGtk* bubble) {
GtkWindow* window = GTK_WINDOW(gtk_widget_get_toplevel(
bubble->alignment_.get()));
gtk_window_unfullscreen(window);
}
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