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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/sad_tab_gtk.h"
#include <string>
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "chrome/browser/gtk/gtk_chrome_link_button.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "gfx/gtk_util.h"
#include "grit/generated_resources.h"
#include "grit/locale_settings.h"
#include "grit/theme_resources.h"
namespace {
// Background color of the content (a grayish blue).
const GdkColor kBackgroundColor = GDK_COLOR_RGB(35, 48, 64);
// Construct a centered GtkLabel with a white foreground.
// |format| is a printf-style format containing a %s;
// |str| is substituted into the format.
GtkWidget* MakeWhiteMarkupLabel(const char* format, const std::string& str) {
GtkWidget* label = gtk_label_new(NULL);
char* markup = g_markup_printf_escaped(format, str.c_str());
gtk_label_set_markup(GTK_LABEL(label), markup);
g_free(markup);
// Center align and justify it.
gtk_misc_set_alignment(GTK_MISC(label), 0.5, 0.5);
gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
// Set text to white.
GdkColor white = gfx::kGdkWhite;
gtk_widget_modify_fg(label, GTK_STATE_NORMAL, &white);
return label;
}
} // namespace
SadTabGtk::SadTabGtk(TabContents* tab_contents)
: tab_contents_(tab_contents) {
DCHECK(tab_contents_);
// Use an event box to get the background painting correctly.
event_box_.Own(gtk_event_box_new());
gtk_widget_modify_bg(event_box_.get(), GTK_STATE_NORMAL, &kBackgroundColor);
// Allow ourselves to be resized arbitrarily small.
gtk_widget_set_size_request(event_box_.get(), 0, 0);
GtkWidget* centering = gtk_alignment_new(0.5, 0.5, 0.0, 0.0);
gtk_container_add(GTK_CONTAINER(event_box_.get()), centering);
// Use a vertical box to contain icon, title, message and link.
GtkWidget* vbox = gtk_vbox_new(FALSE, 0);
gtk_container_add(GTK_CONTAINER(centering), vbox);
// Add center-aligned image.
GtkWidget* image = gtk_image_new_from_pixbuf(
ResourceBundle::GetSharedInstance().GetPixbufNamed(IDR_SAD_TAB));
gtk_misc_set_alignment(GTK_MISC(image), 0.5, 0.5);
gtk_box_pack_start(GTK_BOX(vbox), image, FALSE, FALSE, 0);
// Add spacer between image and title.
GtkWidget* spacer = gtk_label_new(NULL);
gtk_label_set_markup(GTK_LABEL(spacer), "<span size=\"larger\"> </span>");
gtk_box_pack_start(GTK_BOX(vbox), spacer, FALSE, FALSE, 0);
// Add center-aligned title.
GtkWidget* title = MakeWhiteMarkupLabel(
"<span size=\"larger\" style=\"normal\"><b>%s</b></span>",
l10n_util::GetStringUTF8(IDS_SAD_TAB_TITLE));
gtk_box_pack_start(GTK_BOX(vbox), title, FALSE, FALSE, 0);
// Add spacer between title and message.
spacer = gtk_label_new(" ");
gtk_box_pack_start(GTK_BOX(vbox), spacer, FALSE, FALSE, 0);
// Add center-aligned message.
GtkWidget* message =
MakeWhiteMarkupLabel("<span style=\"normal\">%s</span>",
l10n_util::GetStringUTF8(IDS_SAD_TAB_MESSAGE));
gtk_label_set_line_wrap(GTK_LABEL(message), TRUE);
gtk_box_pack_start(GTK_BOX(vbox), message, FALSE, FALSE, 0);
// Add spacer between message and link.
spacer = gtk_label_new(" ");
gtk_box_pack_start(GTK_BOX(vbox), spacer, FALSE, FALSE, 0);
if (tab_contents_ != NULL) {
// Add the learn-more link and center-align it in an alignment.
GtkWidget* link = gtk_chrome_link_button_new(
l10n_util::GetStringUTF8(IDS_LEARN_MORE).c_str());
gtk_chrome_link_button_set_normal_color(GTK_CHROME_LINK_BUTTON(link),
&gfx::kGdkWhite);
g_signal_connect(link, "clicked", G_CALLBACK(OnLinkButtonClickThunk), this);
GtkWidget* link_alignment = gtk_alignment_new(0.5, 0.5, 0.0, 0.0);
gtk_container_add(GTK_CONTAINER(link_alignment), link);
gtk_box_pack_start(GTK_BOX(vbox), link_alignment, FALSE, FALSE, 0);
}
gtk_widget_show_all(event_box_.get());
}
SadTabGtk::~SadTabGtk() {
event_box_.Destroy();
}
void SadTabGtk::OnLinkButtonClick(GtkWidget* sender) {
if (tab_contents_ != NULL) {
tab_contents_->OpenURL(GURL(l10n_util::GetStringUTF8(IDS_CRASH_REASON_URL)),
GURL(), CURRENT_TAB, PageTransition::LINK);
}
}
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