| // 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/sad_tab_gtk.h" |
| |
| #include "base/metrics/histogram.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "chrome/browser/ui/gtk/gtk_chrome_link_button.h" |
| #include "chrome/browser/ui/gtk/tab_contents/chrome_web_contents_view_delegate_gtk.h" |
| #include "chrome/common/url_constants.h" |
| #include "content/public/browser/web_contents.h" |
| #include "grit/generated_resources.h" |
| #include "grit/locale_settings.h" |
| #include "grit/theme_resources.h" |
| #include "ui/base/gtk/gtk_hig_constants.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/gfx/image/image.h" |
| |
| using content::OpenURLParams; |
| using content::WebContents; |
| |
| namespace { |
| |
| // Background color of the content (a grayish blue) for a crashed tab. |
| const GdkColor kCrashedBackgroundColor = GDK_COLOR_RGB(35, 48, 64); |
| |
| // Background color of the content (a grayish purple) for a killed |
| // tab. TODO(gspencer): update this for the "real" color when the UI |
| // team provides one. See http://crosbug.com/10711 |
| const GdkColor kKilledBackgroundColor = GDK_COLOR_RGB(57, 48, 88); |
| |
| // 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 = ui::kGdkWhite; |
| gtk_widget_modify_fg(label, GTK_STATE_NORMAL, &white); |
| |
| return label; |
| } |
| |
| } // namespace |
| |
| SadTabGtk::SadTabGtk(WebContents* web_contents, chrome::SadTabKind kind) |
| : web_contents_(web_contents), |
| kind_(kind) { |
| DCHECK(web_contents_); |
| |
| switch (kind_) { |
| case chrome::SAD_TAB_KIND_CRASHED: { |
| static int crashed = 0; |
| UMA_HISTOGRAM_CUSTOM_COUNTS( |
| "Tabs.SadTab.CrashCreated", ++crashed, 1, 1000, 50); |
| break; |
| } |
| case chrome::SAD_TAB_KIND_KILLED: { |
| static int killed = 0; |
| UMA_HISTOGRAM_CUSTOM_COUNTS( |
| "Tabs.SadTab.KilledCreated", ++killed, 1, 1000, 50); |
| break; |
| } |
| default: |
| NOTREACHED(); |
| } |
| |
| // 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, |
| (kind == chrome::SAD_TAB_KIND_CRASHED) ? |
| &kCrashedBackgroundColor : &kKilledBackgroundColor); |
| // 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); |
| |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| // Add center-aligned image. |
| GtkWidget* image = gtk_image_new_from_pixbuf(rb.GetNativeImageNamed( |
| (kind == chrome::SAD_TAB_KIND_CRASHED) ? |
| IDR_SAD_TAB : IDR_KILLED_TAB).ToGdkPixbuf()); |
| 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((kind == chrome::SAD_TAB_KIND_CRASHED) ? |
| IDS_SAD_TAB_TITLE : IDS_KILLED_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((kind == chrome::SAD_TAB_KIND_CRASHED) ? |
| IDS_SAD_TAB_MESSAGE : IDS_KILLED_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 (web_contents_) { |
| // Create the help link and alignment. |
| std::string link_text(l10n_util::GetStringUTF8( |
| (kind == chrome::SAD_TAB_KIND_CRASHED) ? |
| IDS_SAD_TAB_HELP_LINK : IDS_LEARN_MORE)); |
| GtkWidget* link = gtk_chrome_link_button_new(link_text.c_str()); |
| gtk_chrome_link_button_set_normal_color(GTK_CHROME_LINK_BUTTON(link), |
| &ui::kGdkWhite); |
| g_signal_connect(link, "clicked", G_CALLBACK(OnLinkButtonClickThunk), this); |
| GtkWidget* help_alignment = gtk_alignment_new(0.5, 0.5, 0.0, 0.0); |
| |
| if (kind == chrome::SAD_TAB_KIND_CRASHED) { |
| // Use a horizontal box to contain the help text and link. |
| GtkWidget* help_hbox = gtk_hbox_new(FALSE, 0); |
| gtk_container_add(GTK_CONTAINER(vbox), help_hbox); |
| |
| size_t offset = 0; |
| base::string16 help_text( |
| l10n_util::GetStringFUTF16(IDS_SAD_TAB_HELP_MESSAGE, |
| base::string16(), &offset)); |
| std::string help_prefix_text(UTF16ToUTF8(help_text.substr(0, offset))); |
| std::string help_suffix_text(UTF16ToUTF8(help_text.substr(offset))); |
| |
| GtkWidget* help_prefix = MakeWhiteMarkupLabel( |
| "<span style=\"normal\">%s</span>", help_prefix_text); |
| GtkWidget* help_suffix = MakeWhiteMarkupLabel( |
| "<span style=\"normal\">%s</span>", help_suffix_text); |
| |
| // Add the help link and text to the horizontal box. |
| gtk_box_pack_start(GTK_BOX(help_hbox), help_prefix, FALSE, FALSE, 0); |
| 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(help_hbox), link_alignment, FALSE, FALSE, 0); |
| gtk_box_pack_start(GTK_BOX(help_hbox), help_suffix, FALSE, FALSE, 0); |
| } else { |
| // Add just the help link to a centered alignment. |
| gtk_container_add(GTK_CONTAINER(help_alignment), link); |
| } |
| gtk_box_pack_start(GTK_BOX(vbox), help_alignment, FALSE, FALSE, 0); |
| } |
| |
| gtk_widget_show_all(event_box_.get()); |
| } |
| |
| SadTabGtk::~SadTabGtk() { |
| event_box_.Destroy(); |
| } |
| |
| void SadTabGtk::Show() { |
| switch (kind_) { |
| case chrome::SAD_TAB_KIND_CRASHED: { |
| static int crashed = 0; |
| UMA_HISTOGRAM_CUSTOM_COUNTS( |
| "Tabs.SadTab.CrashDisplayed", ++crashed, 1, 1000, 50); |
| break; |
| } |
| case chrome::SAD_TAB_KIND_KILLED: { |
| static int killed = 0; |
| UMA_HISTOGRAM_CUSTOM_COUNTS( |
| "Tabs.SadTab.KilledDisplayed", ++killed, 1, 1000, 50); |
| break; |
| } |
| default: |
| NOTREACHED(); |
| } |
| |
| GtkWidget* expanded_container = |
| ChromeWebContentsViewDelegateGtk::GetFor(web_contents_)-> |
| expanded_container(); |
| gtk_container_add(GTK_CONTAINER(expanded_container), event_box_.get()); |
| gtk_widget_show(event_box_.get()); |
| } |
| |
| void SadTabGtk::Close() { |
| GtkWidget* expanded_container = |
| ChromeWebContentsViewDelegateGtk::GetFor(web_contents_)-> |
| expanded_container(); |
| gtk_container_remove(GTK_CONTAINER(expanded_container), event_box_.get()); |
| } |
| |
| void SadTabGtk::OnLinkButtonClick(GtkWidget* sender) { |
| if (web_contents_) { |
| GURL help_url((kind_ == chrome::SAD_TAB_KIND_CRASHED) ? |
| chrome::kCrashReasonURL : chrome::kKillReasonURL); |
| OpenURLParams params(help_url, content::Referrer(), CURRENT_TAB, |
| content::PAGE_TRANSITION_LINK, false); |
| web_contents_->OpenURL(params); |
| } |
| } |
| |
| namespace chrome { |
| |
| SadTab* SadTab::Create(content::WebContents* web_contents, SadTabKind kind) { |
| return new SadTabGtk(web_contents, kind); |
| } |
| |
| } // namespace chrome |