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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 "ui/app_list/views/search_box_view.h"
#include <algorithm>
#include "grit/ui_resources.h"
#include "ui/app_list/search_box_model.h"
#include "ui/app_list/search_box_view_delegate.h"
#include "ui/base/events/event.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/views/controls/button/menu_button.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/controls/textfield/textfield.h"
namespace app_list {
namespace {
const int kPadding = 14;
const int kIconDimension = 32;
const int kPreferredWidth = 360;
const int kPreferredHeight = 48;
const int kMenuButtonDimension = 29;
const SkColor kHintTextColor = SkColorSetRGB(0xA0, 0xA0, 0xA0);
} // namespace
SearchBoxView::SearchBoxView(SearchBoxViewDelegate* delegate,
AppListViewDelegate* view_delegate)
: delegate_(delegate),
model_(NULL),
menu_(view_delegate),
icon_view_(new views::ImageView),
search_box_(new views::Textfield),
contents_view_(NULL) {
AddChildView(icon_view_);
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
#if !defined(OS_CHROMEOS)
menu_button_ = new views::MenuButton(NULL, base::string16(), this, false);
menu_button_->set_border(NULL);
menu_button_->SetIcon(*rb.GetImageSkiaNamed(IDR_APP_LIST_TOOLS_NORMAL));
menu_button_->SetHoverIcon(*rb.GetImageSkiaNamed(IDR_APP_LIST_TOOLS_HOVER));
menu_button_->SetPushedIcon(*rb.GetImageSkiaNamed(
IDR_APP_LIST_TOOLS_PRESSED));
AddChildView(menu_button_);
#endif
search_box_->RemoveBorder();
search_box_->SetFont(rb.GetFont(ui::ResourceBundle::MediumFont));
search_box_->set_placeholder_text_color(kHintTextColor);
search_box_->SetController(this);
AddChildView(search_box_);
}
SearchBoxView::~SearchBoxView() {
if (model_)
model_->RemoveObserver(this);
}
void SearchBoxView::SetModel(SearchBoxModel* model) {
if (model_ == model)
return;
if (model_)
model_->RemoveObserver(this);
model_ = model;
if (model_) {
model_->AddObserver(this);
IconChanged();
HintTextChanged();
}
}
bool SearchBoxView::HasSearch() const {
return !search_box_->text().empty();
}
void SearchBoxView::ClearSearch() {
search_box_->SetText(base::string16());
// Updates model and fires query changed manually because SetText() above
// does not generate ContentsChanged() notification.
UpdateModel();
NotifyQueryChanged();
}
gfx::Size SearchBoxView::GetPreferredSize() {
return gfx::Size(kPreferredWidth, kPreferredHeight);
}
void SearchBoxView::Layout() {
gfx::Rect rect(GetContentsBounds());
if (rect.IsEmpty())
return;
gfx::Rect icon_frame(rect);
icon_frame.set_width(kIconDimension + 2 * kPadding);
icon_view_->SetBoundsRect(icon_frame);
gfx::Rect menu_button_frame(rect);
#if !defined(OS_CHROMEOS)
menu_button_frame.set_width(kMenuButtonDimension);
menu_button_frame.set_x(rect.right() - menu_button_frame.width() - kPadding);
menu_button_frame.ClampToCenteredSize(gfx::Size(menu_button_frame.width(),
kMenuButtonDimension));
menu_button_->SetBoundsRect(menu_button_frame);
#else
menu_button_frame.set_width(0);
#endif
gfx::Rect edit_frame(rect);
edit_frame.set_x(icon_frame.right());
edit_frame.set_width(
rect.width() - icon_frame.width() - kPadding - menu_button_frame.width());
edit_frame.ClampToCenteredSize(
gfx::Size(edit_frame.width(), search_box_->GetPreferredSize().height()));
search_box_->SetBoundsRect(edit_frame);
}
bool SearchBoxView::OnMouseWheel(const ui::MouseWheelEvent& event) {
if (contents_view_)
return contents_view_->OnMouseWheel(event);
return false;
}
void SearchBoxView::UpdateModel() {
// Temporarily remove from observer to ignore notifications caused by us.
model_->RemoveObserver(this);
model_->SetText(search_box_->text());
model_->SetSelectionModel(search_box_->GetSelectionModel());
model_->AddObserver(this);
}
void SearchBoxView::NotifyQueryChanged() {
DCHECK(delegate_);
delegate_->QueryChanged(this);
}
void SearchBoxView::ContentsChanged(views::Textfield* sender,
const base::string16& new_contents) {
UpdateModel();
NotifyQueryChanged();
}
bool SearchBoxView::HandleKeyEvent(views::Textfield* sender,
const ui::KeyEvent& key_event) {
bool handled = false;
if (contents_view_ && contents_view_->visible())
handled = contents_view_->OnKeyPressed(key_event);
return handled;
}
void SearchBoxView::OnMenuButtonClicked(View* source, const gfx::Point& point) {
menu_.RunMenuAt(menu_button_,
menu_button_->GetBoundsInScreen().bottom_right());
}
void SearchBoxView::IconChanged() {
icon_view_->SetImage(model_->icon());
}
void SearchBoxView::HintTextChanged() {
search_box_->set_placeholder_text(model_->hint_text());
}
void SearchBoxView::SelectionModelChanged() {
search_box_->SelectSelectionModel(model_->selection_model());
}
void SearchBoxView::TextChanged() {
search_box_->SetText(model_->text());
}
} // namespace app_list
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