diff options
Diffstat (limited to 'chromium/ash/shelf/shelf_model.cc')
| -rw-r--r-- | chromium/ash/shelf/shelf_model.cc | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/chromium/ash/shelf/shelf_model.cc b/chromium/ash/shelf/shelf_model.cc deleted file mode 100644 index d5d83f12e6a..00000000000 --- a/chromium/ash/shelf/shelf_model.cc +++ /dev/null @@ -1,191 +0,0 @@ -// 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 "ash/shelf/shelf_model.h" - -#include <algorithm> - -#include "ash/ash_switches.h" -#include "ash/shelf/shelf_model_observer.h" - -namespace ash { - -namespace { - -int LauncherItemTypeToWeight(LauncherItemType type) { - if (ash::switches::UseAlternateShelfLayout()) { - switch (type) { - case TYPE_APP_LIST: - // TODO(skuhne): If the app list item becomes movable again, this need - // to be a fallthrough. - return 0; - case TYPE_BROWSER_SHORTCUT: - case TYPE_APP_SHORTCUT: - case TYPE_WINDOWED_APP: - return 1; - case TYPE_PLATFORM_APP: - return 2; - case TYPE_APP_PANEL: - return 3; - case TYPE_UNDEFINED: - NOTREACHED() << "LauncherItemType must be set"; - return -1; - } - } else { - switch (type) { - case TYPE_BROWSER_SHORTCUT: - case TYPE_APP_SHORTCUT: - case TYPE_WINDOWED_APP: - return 0; - case TYPE_PLATFORM_APP: - return 1; - case TYPE_APP_LIST: - return 2; - case TYPE_APP_PANEL: - return 3; - case TYPE_UNDEFINED: - NOTREACHED() << "LauncherItemType must be set"; - return -1; - } - } - - NOTREACHED() << "Invalid type " << type; - return 1; -} - -bool CompareByWeight(const LauncherItem& a, const LauncherItem& b) { - return LauncherItemTypeToWeight(a.type) < LauncherItemTypeToWeight(b.type); -} - -} // namespace - -ShelfModel::ShelfModel() : next_id_(1), status_(STATUS_NORMAL) { -} - -ShelfModel::~ShelfModel() { -} - -int ShelfModel::Add(const LauncherItem& item) { - return AddAt(items_.size(), item); -} - -int ShelfModel::AddAt(int index, const LauncherItem& item) { - index = ValidateInsertionIndex(item.type, index); - items_.insert(items_.begin() + index, item); - items_[index].id = next_id_++; - FOR_EACH_OBSERVER(ShelfModelObserver, observers_, ShelfItemAdded(index)); - return index; -} - -void ShelfModel::RemoveItemAt(int index) { - DCHECK(index >= 0 && index < item_count()); - // The app list and browser shortcut can't be removed. - DCHECK(items_[index].type != TYPE_APP_LIST && - items_[index].type != TYPE_BROWSER_SHORTCUT); - LauncherID id = items_[index].id; - items_.erase(items_.begin() + index); - FOR_EACH_OBSERVER(ShelfModelObserver, observers_, - ShelfItemRemoved(index, id)); -} - -void ShelfModel::Move(int index, int target_index) { - if (index == target_index) - return; - // TODO: this needs to enforce valid ranges. - LauncherItem item(items_[index]); - items_.erase(items_.begin() + index); - items_.insert(items_.begin() + target_index, item); - FOR_EACH_OBSERVER(ShelfModelObserver, observers_, - ShelfItemMoved(index, target_index)); -} - -void ShelfModel::Set(int index, const LauncherItem& item) { - DCHECK(index >= 0 && index < item_count()); - int new_index = item.type == items_[index].type ? - index : ValidateInsertionIndex(item.type, index); - - LauncherItem old_item(items_[index]); - items_[index] = item; - items_[index].id = old_item.id; - FOR_EACH_OBSERVER(ShelfModelObserver, observers_, - ShelfItemChanged(index, old_item)); - - // If the type changes confirm that the item is still in the right order. - if (new_index != index) { - // The move function works by removing one item and then inserting it at the - // new location. However - by removing the item first the order will change - // so that our target index needs to be corrected. - // TODO(skuhne): Moving this into the Move function breaks lots of unit - // tests. So several functions were already using this incorrectly. - // That needs to be cleaned up. - if (index < new_index) - new_index--; - - Move(index, new_index); - } -} - -int ShelfModel::ItemIndexByID(LauncherID id) const { - LauncherItems::const_iterator i = ItemByID(id); - return i == items_.end() ? -1 : static_cast<int>(i - items_.begin()); -} - -int ShelfModel::GetItemIndexForType(LauncherItemType type) { - for (size_t i = 0; i < items_.size(); ++i) { - if (items_[i].type == type) - return i; - } - return -1; -} - -LauncherItems::const_iterator ShelfModel::ItemByID(int id) const { - for (LauncherItems::const_iterator i = items_.begin(); - i != items_.end(); ++i) { - if (i->id == id) - return i; - } - return items_.end(); -} - -int ShelfModel::FirstPanelIndex() const { - LauncherItem weight_dummy; - weight_dummy.type = TYPE_APP_PANEL; - return std::lower_bound(items_.begin(), items_.end(), weight_dummy, - CompareByWeight) - items_.begin(); -} - -void ShelfModel::SetStatus(Status status) { - if (status_ == status) - return; - - status_ = status; - FOR_EACH_OBSERVER(ShelfModelObserver, observers_, ShelfStatusChanged()); -} - -void ShelfModel::AddObserver(ShelfModelObserver* observer) { - observers_.AddObserver(observer); -} - -void ShelfModel::RemoveObserver(ShelfModelObserver* observer) { - observers_.RemoveObserver(observer); -} - -int ShelfModel::ValidateInsertionIndex(LauncherItemType type, int index) const { - DCHECK(index >= 0 && index <= item_count() + - (ash::switches::UseAlternateShelfLayout() ? 1 : 0)); - - // Clamp |index| to the allowed range for the type as determined by |weight|. - LauncherItem weight_dummy; - weight_dummy.type = type; - index = std::max(std::lower_bound(items_.begin(), items_.end(), weight_dummy, - CompareByWeight) - items_.begin(), - static_cast<LauncherItems::difference_type>(index)); - index = std::min(std::upper_bound(items_.begin(), items_.end(), weight_dummy, - CompareByWeight) - items_.begin(), - static_cast<LauncherItems::difference_type>(index)); - - return index; -} - -} // namespace ash |