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// Copyright (c) 2011 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/views/sad_tab_view.h"
#include "base/metrics/histogram.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/google/google_util.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/webui/bug_report_ui.h"
#include "chrome/browser/userfeedback/proto/extension.pb.h"
#include "chrome/common/url_constants.h"
#include "content/browser/tab_contents/tab_contents.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/font.h"
#include "ui/views/controls/button/text_button.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/link.h"
#include "ui/views/layout/grid_layout.h"
static const int kPadding = 20;
static const float kMessageSize = 0.65f;
static const SkColor kTextColor = SK_ColorWHITE;
static const SkColor kCrashColor = SkColorSetRGB(35, 48, 64);
static const SkColor kKillColor = SkColorSetRGB(57, 48, 88);
// Font size correction.
#if defined(CROS_FONTS_USING_BCI)
static const int kTitleFontSizeDelta = 1;
static const int kMessageFontSizeDelta = 0;
#else
static const int kTitleFontSizeDelta = 2;
static const int kMessageFontSizeDelta = 1;
#endif
SadTabView::SadTabView(TabContents* tab_contents, Kind kind)
: tab_contents_(tab_contents),
kind_(kind),
painted_(false),
base_font_(ResourceBundle::GetSharedInstance().GetFont(
ResourceBundle::BaseFont)),
message_(NULL),
help_link_(NULL),
feedback_link_(NULL),
reload_button_(NULL) {
DCHECK(tab_contents);
// Sometimes the user will never see this tab, so keep track of the total
// number of creation events to compare to display events.
UMA_HISTOGRAM_COUNTS("SadTab.Created", kind_);
// Set the background color.
set_background(views::Background::CreateSolidBackground(
(kind_ == CRASHED) ? kCrashColor : kKillColor));
}
SadTabView::~SadTabView() {}
void SadTabView::LinkClicked(views::Link* source, int event_flags) {
DCHECK(tab_contents_);
if (source == help_link_) {
GURL help_url =
google_util::AppendGoogleLocaleParam(GURL(kind_ == CRASHED ?
chrome::kCrashReasonURL :
chrome::kKillReasonURL));
tab_contents_->OpenURL(OpenURLParams(
help_url,
content::Referrer(),
CURRENT_TAB,
content::PAGE_TRANSITION_LINK,
false /* is renderer initiated */));
} else if (source == feedback_link_) {
browser::ShowHtmlBugReportView(
Browser::GetBrowserForController(&tab_contents_->controller(), NULL),
l10n_util::GetStringUTF8(IDS_KILLED_TAB_FEEDBACK_MESSAGE),
userfeedback::ChromeOsData_ChromeOsCategory_CRASH);
}
}
void SadTabView::ButtonPressed(views::Button* source,
const views::Event& event) {
DCHECK(tab_contents_);
DCHECK(source == reload_button_);
tab_contents_->controller().Reload(true);
}
void SadTabView::Layout() {
// Specify the maximum message width explicitly.
message_->SizeToFit(static_cast<int>(width() * kMessageSize));
View::Layout();
}
void SadTabView::ViewHierarchyChanged(bool is_add,
views::View* parent,
views::View* child) {
if (child != this || !is_add)
return;
views::GridLayout* layout = views::GridLayout::CreatePanel(this);
SetLayoutManager(layout);
const int column_set_id = 0;
views::ColumnSet* columns = layout->AddColumnSet(column_set_id);
columns->AddPaddingColumn(1, kPadding);
columns->AddColumn(views::GridLayout::CENTER, views::GridLayout::CENTER,
0, views::GridLayout::USE_PREF, 0, 0);
columns->AddPaddingColumn(1, kPadding);
views::ImageView* image = new views::ImageView();
image->SetImage(ResourceBundle::GetSharedInstance().GetBitmapNamed(
(kind_ == CRASHED) ? IDR_SAD_TAB : IDR_KILLED_TAB));
layout->StartRowWithPadding(0, column_set_id, 1, kPadding);
layout->AddView(image);
views::Label* title = CreateLabel(l10n_util::GetStringUTF16(
(kind_ == CRASHED) ? IDS_SAD_TAB_TITLE : IDS_KILLED_TAB_TITLE));
title->SetFont(base_font_.DeriveFont(kTitleFontSizeDelta, gfx::Font::BOLD));
layout->StartRowWithPadding(0, column_set_id, 0, kPadding);
layout->AddView(title);
message_ = CreateLabel(l10n_util::GetStringUTF16(
(kind_ == CRASHED) ? IDS_SAD_TAB_MESSAGE : IDS_KILLED_TAB_MESSAGE));
message_->SetMultiLine(true);
layout->StartRowWithPadding(0, column_set_id, 0, kPadding);
layout->AddView(message_);
if (tab_contents_) {
layout->StartRowWithPadding(0, column_set_id, 0, kPadding);
reload_button_ = new views::TextButton(
this,
l10n_util::GetStringUTF16(IDS_SAD_TAB_RELOAD_LABEL));
reload_button_->set_border(new views::TextButtonNativeThemeBorder(
reload_button_));
layout->AddView(reload_button_);
help_link_ = CreateLink(l10n_util::GetStringUTF16(
(kind_ == CRASHED) ? IDS_SAD_TAB_HELP_LINK : IDS_LEARN_MORE));
if (kind_ == CRASHED) {
size_t offset = 0;
string16 help_text(l10n_util::GetStringFUTF16(IDS_SAD_TAB_HELP_MESSAGE,
string16(), &offset));
views::Label* help_prefix = CreateLabel(help_text.substr(0, offset));
views::Label* help_suffix = CreateLabel(help_text.substr(offset));
const int help_column_set_id = 1;
views::ColumnSet* help_columns = layout->AddColumnSet(help_column_set_id);
help_columns->AddPaddingColumn(1, kPadding);
// Center three middle columns for the help's [prefix][link][suffix].
for (size_t column = 0; column < 3; column++)
help_columns->AddColumn(views::GridLayout::CENTER,
views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
help_columns->AddPaddingColumn(1, kPadding);
layout->StartRowWithPadding(0, help_column_set_id, 0, kPadding);
layout->AddView(help_prefix);
layout->AddView(help_link_);
layout->AddView(help_suffix);
} else {
layout->StartRowWithPadding(0, column_set_id, 0, kPadding);
layout->AddView(help_link_);
feedback_link_ = CreateLink(
l10n_util::GetStringUTF16(IDS_KILLED_TAB_FEEDBACK_LINK));
layout->StartRowWithPadding(0, column_set_id, 0, kPadding);
layout->AddView(feedback_link_);
}
}
layout->AddPaddingRow(1, kPadding);
}
void SadTabView::OnPaint(gfx::Canvas* canvas) {
if (!painted_) {
// User actually saw the error, keep track for user experience stats.
UMA_HISTOGRAM_COUNTS("SadTab.Displayed", kind_);
painted_ = true;
}
View::OnPaint(canvas);
}
views::Label* SadTabView::CreateLabel(const string16& text) {
views::Label* label = new views::Label(text);
label->SetFont(base_font_.DeriveFont(kMessageFontSizeDelta));
label->SetBackgroundColor(background()->get_color());
label->SetEnabledColor(kTextColor);
return label;
}
views::Link* SadTabView::CreateLink(const string16& text) {
views::Link* link = new views::Link(text);
link->SetFont(base_font_.DeriveFont(kMessageFontSizeDelta));
link->SetBackgroundColor(background()->get_color());
link->SetEnabledColor(kTextColor);
link->set_listener(this);
return link;
}
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