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// 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 "base/utf_string_conversions.h"
#include "chrome/browser/accessibility/invert_bubble_views.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/views/event_utils.h"
#include "chrome/browser/ui/views/window.h"
#include "chrome/common/pref_names.h"
#include "content/public/browser/page_navigator.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/sys_color_change_listener.h"
#include "ui/views/bubble/bubble_delegate.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/link.h"
#include "ui/views/controls/link_listener.h"
#include "ui/views/layout/grid_layout.h"
#include "ui/views/layout/layout_constants.h"
namespace {
const char kLearnMoreUrl[] = "https://groups.google.com/a/googleproductforums.com/d/topic/chrome/Xrco2HsXS-8/discussion";
const int kBubbleWidth = 500;
} // namespace
class InvertBubbleView : public views::BubbleDelegateView,
public views::LinkListener {
public:
InvertBubbleView(Profile* profile, views::View* anchor_view);
virtual ~InvertBubbleView();
// views::BubbleDelegateView overrides:
virtual gfx::Rect GetAnchorRect() OVERRIDE;
protected:
// views::BubbleDelegateView overrides:
virtual void Init() OVERRIDE;
// views::LinkListener overrides:
virtual void LinkClicked(views::Link* source, int event_flags) OVERRIDE;
Profile* profile_;
DISALLOW_COPY_AND_ASSIGN(InvertBubbleView);
};
void InvertBubbleView::Init() {
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
const gfx::Font& original_font = rb.GetFont(ResourceBundle::MediumFont);
views::Label* title = new views::Label(
l10n_util::GetStringUTF16(IDS_INVERT_NOTIFICATION));
title->SetFont(original_font.DeriveFont(2, gfx::Font::BOLD));
title->SetMultiLine(true);
title->SizeToFit(kBubbleWidth);
views::Link* learn_more =
new views::Link(l10n_util::GetStringUTF16(IDS_LEARN_MORE));
learn_more->SetFont(original_font);
learn_more->set_listener(this);
views::GridLayout* layout = views::GridLayout::CreatePanel(this);
SetLayoutManager(layout);
views::ColumnSet* columns = layout->AddColumnSet(0);
columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::LEADING, 0,
views::GridLayout::USE_PREF, 0, 0);
layout->StartRow(0, 0);
layout->AddView(title);
layout->StartRowWithPadding(0, 0, 0,
views::kRelatedControlSmallVerticalSpacing);
layout->AddView(learn_more);
// Switching to high-contrast mode has a nasty habit of causing Chrome
// top-level windows to lose focus, so closing the bubble on deactivate
// makes it disappear before the user has even seen it. This forces the
// user to close it explicitly, which should be okay because it affects
// a small minority of users, and only once.
set_close_on_deactivate(false);
}
gfx::Rect InvertBubbleView::GetAnchorRect() {
// Set the height to 0 so we display the bubble at the top of the
// anchor rect.
gfx::Rect rect(BubbleDelegateView::GetAnchorRect());
rect.set_height(0);
return rect;
}
InvertBubbleView::InvertBubbleView(Profile* profile, views::View* anchor_view)
: views::BubbleDelegateView(anchor_view, views::BubbleBorder::TOP_LEFT),
profile_(profile) {
}
InvertBubbleView::~InvertBubbleView() {
}
void InvertBubbleView::LinkClicked(views::Link* source, int event_flags) {
Browser* browser = BrowserList::GetLastActiveWithProfile(profile_);
if (browser) {
WindowOpenDisposition disposition =
event_utils::DispositionFromEventFlags(event_flags);
content::OpenURLParams params(
GURL(kLearnMoreUrl), content::Referrer(),
disposition == CURRENT_TAB ? NEW_FOREGROUND_TAB : disposition,
content::PAGE_TRANSITION_LINK, false);
browser->OpenURL(params);
}
GetWidget()->Close();
}
// static
void InvertBubble::RegisterUserPrefs(PrefService* prefs) {
prefs->RegisterBooleanPref(prefs::kInvertNotificationShown,
false,
PrefService::UNSYNCABLE_PREF);
}
void InvertBubble::MaybeShowInvertBubble(Profile* profile,
views::View* anchor_view) {
PrefService* pref_service = profile->GetPrefs();
if (gfx::IsInvertedColorScheme() &&
!pref_service->GetBoolean(prefs::kInvertNotificationShown)) {
pref_service->SetBoolean(prefs::kInvertNotificationShown, true);
InvertBubbleView* delegate = new InvertBubbleView(profile, anchor_view);
views::BubbleDelegateView::CreateBubble(delegate);
delegate->StartFade(true);
}
}
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