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// Copyright 2013 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/toolbar/home_button.h"
#include "base/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/views/settings_api_bubble_helper_views.h"
#include "chrome/common/pref_names.h"
#include "chrome/grit/generated_resources.h"
#include "components/user_prefs/user_prefs.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/views/bubble/bubble_delegate.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"
#include "ui/views/widget/widget.h"
// HomePageUndoBubble --------------------------------------------------------
namespace {
class HomePageUndoBubble : public views::BubbleDelegateView,
public views::LinkListener {
public:
static void ShowBubble(Browser* browser,
bool undo_value_is_ntp,
const GURL& undo_url,
views::View* anchor_view);
static void HideBubble();
private:
HomePageUndoBubble(Browser* browser, bool undo_value_is_ntp,
const GURL& undo_url, views::View* anchor_view);
~HomePageUndoBubble() override;
// views::BubbleDelegateView:
void Init() override;
void WindowClosing() override;
// views::LinkListener:
void LinkClicked(views::Link* source, int event_flags) override;
static HomePageUndoBubble* home_page_undo_bubble_;
Browser* browser_;
bool undo_value_is_ntp_;
GURL undo_url_;
DISALLOW_COPY_AND_ASSIGN(HomePageUndoBubble);
};
// static
HomePageUndoBubble* HomePageUndoBubble::home_page_undo_bubble_ = NULL;
void HomePageUndoBubble::ShowBubble(Browser* browser,
bool undo_value_is_ntp,
const GURL& undo_url,
views::View* anchor_view) {
HideBubble();
home_page_undo_bubble_ = new HomePageUndoBubble(browser,
undo_value_is_ntp,
undo_url,
anchor_view);
views::BubbleDelegateView::CreateBubble(home_page_undo_bubble_)->Show();
}
void HomePageUndoBubble::HideBubble() {
if (home_page_undo_bubble_)
home_page_undo_bubble_->GetWidget()->Close();
}
HomePageUndoBubble::HomePageUndoBubble(
Browser* browser,
bool undo_value_is_ntp,
const GURL& undo_url,
views::View* anchor_view)
: BubbleDelegateView(anchor_view, views::BubbleBorder::TOP_LEFT),
browser_(browser),
undo_value_is_ntp_(undo_value_is_ntp),
undo_url_(undo_url) {
}
HomePageUndoBubble::~HomePageUndoBubble() {
}
void HomePageUndoBubble::Init() {
views::GridLayout* layout = new views::GridLayout(this);
SetLayoutManager(layout);
// Create two columns for the message and the undo link.
views::ColumnSet* cs = layout->AddColumnSet(0);
cs = layout->AddColumnSet(1);
cs->AddColumn(views::GridLayout::LEADING, views::GridLayout::BASELINE, 0,
views::GridLayout::USE_PREF, 0, 0);
cs->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
cs->AddColumn(views::GridLayout::CENTER, views::GridLayout::BASELINE, 0,
views::GridLayout::USE_PREF, 0, 0);
views::Label* message_label = new views::Label(
l10n_util::GetStringUTF16(IDS_TOOLBAR_INFORM_SET_HOME_PAGE));
message_label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
layout->StartRow(0, 1);
layout->AddView(message_label);
views::Link* undo_link = new views::Link(
l10n_util::GetStringUTF16(IDS_ONE_CLICK_BUBBLE_UNDO));
undo_link->set_listener(this);
layout->AddView(undo_link);
}
void HomePageUndoBubble::LinkClicked(views::Link* source, int event_flags) {
PrefService* prefs = user_prefs::UserPrefs::Get(browser_->profile());
prefs->SetBoolean(prefs::kHomePageIsNewTabPage, undo_value_is_ntp_);
prefs->SetString(prefs::kHomePage, undo_url_.spec());
HideBubble();
}
void HomePageUndoBubble::WindowClosing() {
// We have to reset |home_page_undo_bubble_| here, not in our destructor,
// because we'll be hidden first, then destroyed asynchronously. If we wait
// to reset this, and the user triggers a call to ShowBubble() while the
// window is hidden but not destroyed, GetWidget()->Close() would be
// called twice.
DCHECK_EQ(this, home_page_undo_bubble_);
home_page_undo_bubble_ = NULL;
}
} // namespace
// HomeButton -----------------------------------------------------------
HomeButton::HomeButton(
views::ButtonListener* listener,
Browser* browser)
: ToolbarButton(listener, NULL),
browser_(browser) {
}
HomeButton::~HomeButton() {
}
bool HomeButton::GetDropFormats(
int* formats,
std::set<OSExchangeData::CustomFormat>* custom_formats) {
*formats = ui::OSExchangeData::URL;
return true;
}
bool HomeButton::CanDrop(const OSExchangeData& data) {
return data.HasURL(ui::OSExchangeData::CONVERT_FILENAMES);
}
int HomeButton::OnDragUpdated(const ui::DropTargetEvent& event) {
return (event.source_operations() & ui::DragDropTypes::DRAG_LINK) ?
ui::DragDropTypes::DRAG_LINK : ui::DragDropTypes::DRAG_NONE;
}
int HomeButton::OnPerformDrop(const ui::DropTargetEvent& event) {
GURL new_homepage_url;
base::string16 title;
if (event.data().GetURLAndTitle(
ui::OSExchangeData::CONVERT_FILENAMES, &new_homepage_url, &title) &&
new_homepage_url.is_valid()) {
PrefService* prefs = browser_->profile()->GetPrefs();
bool old_is_ntp = prefs->GetBoolean(prefs::kHomePageIsNewTabPage);
GURL old_homepage(prefs->GetString(prefs::kHomePage));
prefs->SetBoolean(prefs::kHomePageIsNewTabPage, false);
prefs->SetString(prefs::kHomePage, new_homepage_url.spec());
HomePageUndoBubble::ShowBubble(browser_, old_is_ntp, old_homepage, this);
}
return ui::DragDropTypes::DRAG_NONE;
}
void HomeButton::NotifyClick(const ui::Event& event) {
ToolbarButton::NotifyClick(event);
extensions::MaybeShowExtensionControlledHomeNotification(browser_);
}
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