blob: 6ff0a8332d50ad3a41eb54909d6ca442e5f3ad41 [file] [log] [blame]
// Copyright 2014 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_result_tile_item_list_view.h"
#include <stddef.h>
#include "base/i18n/rtl.h"
#include "ui/app_list/app_list_constants.h"
#include "ui/app_list/app_list_view_delegate.h"
#include "ui/app_list/search_result.h"
#include "ui/app_list/views/search_result_tile_item_view.h"
#include "ui/views/background.h"
#include "ui/views/border.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/layout/box_layout.h"
namespace {
// Layout constants.
const size_t kNumSearchResultTiles = 8;
const int kHorizontalBorderSpacing = 1;
const int kBetweenTileSpacing = 2;
const int kTopBottomPadding = 8;
} // namespace
namespace app_list {
SearchResultTileItemListView::SearchResultTileItemListView(
views::Textfield* search_box,
AppListViewDelegate* view_delegate)
: search_box_(search_box) {
SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal,
kHorizontalBorderSpacing, 0,
kBetweenTileSpacing));
for (size_t i = 0; i < kNumSearchResultTiles; ++i) {
SearchResultTileItemView* tile_item =
new SearchResultTileItemView(this, view_delegate);
tile_item->SetParentBackgroundColor(kCardBackgroundColor);
tile_item->SetBorder(
views::CreateEmptyBorder(kTopBottomPadding, 0, kTopBottomPadding, 0));
tile_views_.push_back(tile_item);
AddChildView(tile_item);
}
}
SearchResultTileItemListView::~SearchResultTileItemListView() {
}
void SearchResultTileItemListView::OnContainerSelected(
bool from_bottom,
bool directional_movement) {
if (num_results() == 0)
return;
// If the user came from below using linear controls (eg, Tab, as opposed to
// directional controls such as Up), select the right-most result. Otherwise,
// select the left-most result even if coming from below.
bool select_last = from_bottom && !directional_movement;
SetSelectedIndex(select_last ? num_results() - 1 : 0);
}
void SearchResultTileItemListView::NotifyFirstResultYIndex(int y_index) {
for (size_t i = 0; i < static_cast<size_t>(num_results()); ++i)
tile_views_[i]->result()->set_distance_from_origin(i + y_index);
}
int SearchResultTileItemListView::GetYSize() {
return num_results() ? 1 : 0;
}
int SearchResultTileItemListView::DoUpdate() {
std::vector<SearchResult*> display_results =
AppListModel::FilterSearchResultsByDisplayType(
results(), SearchResult::DISPLAY_TILE, kNumSearchResultTiles);
for (size_t i = 0; i < kNumSearchResultTiles; ++i) {
SearchResult* item =
i < display_results.size() ? display_results[i] : nullptr;
tile_views_[i]->SetSearchResult(item);
}
set_container_score(
display_results.empty() ? 0 : display_results.front()->relevance());
return display_results.size();
}
void SearchResultTileItemListView::UpdateSelectedIndex(int old_selected,
int new_selected) {
if (old_selected >= 0)
tile_views_[old_selected]->SetSelected(false);
if (new_selected >= 0)
tile_views_[new_selected]->SetSelected(true);
}
bool SearchResultTileItemListView::OnKeyPressed(const ui::KeyEvent& event) {
if (selected_index() >= 0 && child_at(selected_index())->OnKeyPressed(event))
return true;
int dir = 0;
bool cursor_at_end_of_searchbox =
search_box_->GetCursorPosition() == search_box_->text().length();
const int forward_dir = base::i18n::IsRTL() ? -1 : 1;
switch (event.key_code()) {
case ui::VKEY_TAB:
if (event.IsShiftDown())
dir = -1;
else
dir = 1;
break;
case ui::VKEY_LEFT:
// The left key will not capture the key event when the selection is at
// the beginning of the list. This means that the text cursor in the
// search box will be allowed to handle the keypress. This will also
// ignore the keypress if the user has clicked somewhere in the middle of
// the searchbox.
if (cursor_at_end_of_searchbox)
dir = -forward_dir;
break;
case ui::VKEY_RIGHT:
// Only move right if the search box text cursor is at the end of the
// text.
if (cursor_at_end_of_searchbox)
dir = forward_dir;
break;
default:
break;
}
if (dir == 0)
return false;
int selection_index = selected_index() + dir;
if (IsValidSelectionIndex(selection_index)) {
SetSelectedIndex(selection_index);
return true;
}
return false;
}
} // namespace app_list