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// Copyright (c) 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 "ui/app_list/views/folder_header_view.h"
#include "base/strings/utf_string_conversions.h"
#include "grit/ui_resources.h"
#include "grit/ui_strings.h"
#include "ui/app_list/app_list_constants.h"
#include "ui/app_list/app_list_folder_item.h"
#include "ui/app_list/views/app_list_folder_view.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/canvas.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/painter.h"
namespace app_list {
namespace {
const int kPreferredWidth = 360;
const int kPreferredHeight = 48;
const int kIconDimension = 24;
const int kPadding = 14;
const int kFolderNameWidth = 150;
const int kFolderNameHeight = 30;
const int kBottomSeparatorWidth = 380;
const int kBottomSeparatorHeight = 1;
const SkColor kHintTextColor = SkColorSetRGB(0xA0, 0xA0, 0xA0);
} // namespace
class FolderHeaderView::FolderNameView : public views::Textfield {
public:
FolderNameView() {
set_border(views::Border::CreateEmptyBorder(1, 1, 1, 1));
const SkColor kFocusBorderColor = SkColorSetRGB(64, 128, 250);
SetFocusPainter(views::Painter::CreateSolidFocusPainter(
kFocusBorderColor,
gfx::Insets(0, 0, 1, 1)));
}
virtual ~FolderNameView() {
}
// Overridden from views::View:
virtual gfx::Size GetPreferredSize() OVERRIDE {
return gfx::Size(kFolderNameWidth, kFolderNameHeight);
}
private:
DISALLOW_COPY_AND_ASSIGN(FolderNameView);
};
FolderHeaderView::FolderHeaderView(FolderHeaderViewDelegate* delegate)
: folder_item_(NULL),
back_button_(new views::ImageButton(this)),
folder_name_view_(new FolderNameView),
delegate_(delegate) {
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
back_button_->SetImage(views::ImageButton::STATE_NORMAL,
rb.GetImageSkiaNamed(IDR_APP_LIST_FOLDER_BACK_NORMAL));
back_button_->SetImageAlignment(views::ImageButton::ALIGN_CENTER,
views::ImageButton::ALIGN_MIDDLE);
AddChildView(back_button_);
folder_name_view_->SetFont(rb.GetFont(ui::ResourceBundle::MediumFont));
folder_name_view_->set_placeholder_text_color(kHintTextColor);
folder_name_view_->set_placeholder_text(
rb.GetLocalizedString(IDS_APP_LIST_FOLDER_NAME_PLACEHOLDER));
folder_name_view_->RemoveBorder();
folder_name_view_->SetBackgroundColor(kContentsBackgroundColor);
folder_name_view_->SetController(this);
AddChildView(folder_name_view_);
}
FolderHeaderView::~FolderHeaderView() {
if (folder_item_)
folder_item_->RemoveObserver(this);
}
void FolderHeaderView::SetFolderItem(AppListFolderItem* folder_item) {
if (folder_item_)
folder_item_->RemoveObserver(this);
folder_item_ = folder_item;
if (!folder_item_)
return;
folder_item_->AddObserver(this);
Update();
}
void FolderHeaderView::Update() {
if (!folder_item_)
return;
folder_name_view_->SetText(UTF8ToUTF16(folder_item_->title()));
}
gfx::Size FolderHeaderView::GetPreferredSize() {
return gfx::Size(kPreferredWidth, kPreferredHeight);
}
void FolderHeaderView::Layout() {
gfx::Rect rect(GetContentsBounds());
if (rect.IsEmpty())
return;
gfx::Rect back_bounds(rect);
back_bounds.set_width(kIconDimension + 2 * kPadding);
back_button_->SetBoundsRect(back_bounds);
gfx::Rect text_bounds(rect);
int text_width = folder_name_view_->GetPreferredSize().width();
text_bounds.set_x(back_bounds.x() + (rect.width() - text_width) / 2);
text_bounds.set_width(text_width);
text_bounds.ClampToCenteredSize(gfx::Size(text_bounds.width(),
folder_name_view_->GetPreferredSize().height()));
folder_name_view_->SetBoundsRect(text_bounds);
}
void FolderHeaderView::OnPaint(gfx::Canvas* canvas) {
views::View::OnPaint(canvas);
gfx::Rect rect(GetContentsBounds());
if (rect.IsEmpty())
return;
// Draw bottom separator line.
rect.set_x((rect.width() - kBottomSeparatorWidth) / 2 + rect.x());
rect.set_y(rect.y() + rect.height() - kBottomSeparatorHeight);
rect.set_width(kBottomSeparatorWidth);
rect.set_height(kBottomSeparatorHeight);
canvas->FillRect(rect, kTopSeparatorColor);
}
void FolderHeaderView::ContentsChanged(views::Textfield* sender,
const base::string16& new_contents) {
// Temporarily remove from observer to ignore data change caused by us.
if (!folder_item_)
return;
folder_item_->RemoveObserver(this);
std::string name = UTF16ToUTF8(folder_name_view_->text());
folder_item_->SetTitleAndFullName(name, name);
folder_item_->AddObserver(this);
}
void FolderHeaderView::ButtonPressed(views::Button* sender,
const ui::Event& event) {
delegate_->NavigateBack(folder_item_, event);
}
void FolderHeaderView::ItemIconChanged() {
}
void FolderHeaderView::ItemTitleChanged() {
Update();
}
void FolderHeaderView::ItemHighlightedChanged() {
}
void FolderHeaderView::ItemIsInstallingChanged() {
}
void FolderHeaderView::ItemPercentDownloadedChanged() {
}
} // namespace app_list
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