#include "ui/app_list/app_list_model.h"
+#include <string>
+
+#include "ui/app_list/app_list_folder_item.h"
#include "ui/app_list/app_list_item.h"
#include "ui/app_list/app_list_model_observer.h"
#include "ui/app_list/search_box_model.h"
-#include "ui/app_list/search_result.h"
namespace app_list {
AppListModel::AppListModel()
- : item_list_(new AppListItemList),
+ : top_level_item_list_(new AppListItemList),
search_box_(new SearchBoxModel),
results_(new SearchResults),
- status_(STATUS_NORMAL) {
+ status_(STATUS_NORMAL),
+ folders_enabled_(false) {
+ top_level_item_list_->AddObserver(this);
}
-AppListModel::~AppListModel() {
-}
+AppListModel::~AppListModel() { top_level_item_list_->RemoveObserver(this); }
void AppListModel::AddObserver(AppListModelObserver* observer) {
observers_.AddObserver(observer);
OnAppListModelStatusChanged());
}
+AppListItem* AppListModel::FindItem(const std::string& id) {
+ AppListItem* item = top_level_item_list_->FindItem(id);
+ if (item)
+ return item;
+ for (size_t i = 0; i < top_level_item_list_->item_count(); ++i) {
+ AppListItem* child_item =
+ top_level_item_list_->item_at(i)->FindChildItem(id);
+ if (child_item)
+ return child_item;
+ }
+ return NULL;
+}
+
+AppListFolderItem* AppListModel::FindFolderItem(const std::string& id) {
+ AppListItem* item = top_level_item_list_->FindItem(id);
+ if (item && item->GetItemType() == AppListFolderItem::kItemType)
+ return static_cast<AppListFolderItem*>(item);
+ DCHECK(!item);
+ return NULL;
+}
+
+AppListItem* AppListModel::AddItem(scoped_ptr<AppListItem> item) {
+ DCHECK(!item->IsInFolder());
+ DCHECK(!top_level_item_list()->FindItem(item->id()));
+ return AddItemToItemListAndNotify(item.Pass());
+}
+
+AppListItem* AppListModel::AddItemToFolder(scoped_ptr<AppListItem> item,
+ const std::string& folder_id) {
+ if (folder_id.empty())
+ return AddItem(item.Pass());
+ DVLOG(2) << "AddItemToFolder: " << item->id() << ": " << folder_id;
+ CHECK_NE(folder_id, item->folder_id());
+ DCHECK_NE(AppListFolderItem::kItemType, item->GetItemType());
+ AppListFolderItem* dest_folder = FindOrCreateFolderItem(folder_id);
+ if (!dest_folder)
+ return NULL;
+ DCHECK(!dest_folder->item_list()->FindItem(item->id()))
+ << "Already in folder: " << dest_folder->id();
+ return AddItemToFolderItemAndNotify(dest_folder, item.Pass());
+}
+
+const std::string AppListModel::MergeItems(const std::string& target_item_id,
+ const std::string& source_item_id) {
+ if (!folders_enabled()) {
+ LOG(ERROR) << "MergeItems called with folders disabled.";
+ return "";
+ }
+ DVLOG(2) << "MergeItems: " << source_item_id << " -> " << target_item_id;
+ // Find the target item.
+ AppListItem* target_item = FindItem(target_item_id);
+ if (!target_item) {
+ LOG(ERROR) << "MergeItems: Target no longer exists.";
+ return "";
+ }
+ CHECK(target_item->folder_id().empty());
+
+ AppListItem* source_item = FindItem(source_item_id);
+ if (!source_item) {
+ LOG(ERROR) << "MergeItems: Source no longer exists.";
+ return "";
+ }
+
+ // If the target item is a folder, just add the source item to it.
+ if (target_item->GetItemType() == AppListFolderItem::kItemType) {
+ AppListFolderItem* target_folder =
+ static_cast<AppListFolderItem*>(target_item);
+ if (target_folder->folder_type() == AppListFolderItem::FOLDER_TYPE_OEM) {
+ LOG(WARNING) << "MergeItems called with OEM folder as target";
+ return "";
+ }
+ scoped_ptr<AppListItem> source_item_ptr = RemoveItem(source_item);
+ source_item_ptr->set_position(
+ target_folder->item_list()->CreatePositionBefore(
+ syncer::StringOrdinal()));
+ AddItemToFolderItemAndNotify(target_folder, source_item_ptr.Pass());
+ return target_folder->id();
+ }
+
+ // Otherwise remove the source item and target item from their current
+ // location, they will become owned by the new folder.
+ scoped_ptr<AppListItem> source_item_ptr = RemoveItem(source_item);
+ CHECK(source_item_ptr);
+ scoped_ptr<AppListItem> target_item_ptr =
+ top_level_item_list_->RemoveItem(target_item_id);
+ CHECK(target_item_ptr);
+
+ // Create a new folder in the same location as the target item.
+ std::string new_folder_id = AppListFolderItem::GenerateId();
+ DVLOG(2) << "Creating folder for merge: " << new_folder_id;
+ scoped_ptr<AppListItem> new_folder_ptr(new AppListFolderItem(
+ new_folder_id, AppListFolderItem::FOLDER_TYPE_NORMAL));
+ new_folder_ptr->set_position(target_item_ptr->position());
+ AppListFolderItem* new_folder = static_cast<AppListFolderItem*>(
+ AddItemToItemListAndNotify(new_folder_ptr.Pass()));
+
+ // Add the items to the new folder.
+ target_item_ptr->set_position(
+ new_folder->item_list()->CreatePositionBefore(
+ syncer::StringOrdinal()));
+ AddItemToFolderItemAndNotify(new_folder, target_item_ptr.Pass());
+ source_item_ptr->set_position(
+ new_folder->item_list()->CreatePositionBefore(
+ syncer::StringOrdinal()));
+ AddItemToFolderItemAndNotify(new_folder, source_item_ptr.Pass());
+
+ return new_folder->id();
+}
+
+void AppListModel::MoveItemToFolder(AppListItem* item,
+ const std::string& folder_id) {
+ DVLOG(2) << "MoveItemToFolder: " << folder_id
+ << " <- " << item->ToDebugString();
+ if (item->folder_id() == folder_id)
+ return;
+ AppListFolderItem* dest_folder = FindOrCreateFolderItem(folder_id);
+ scoped_ptr<AppListItem> item_ptr = RemoveItem(item);
+ if (dest_folder) {
+ CHECK(!item->IsInFolder());
+ AddItemToFolderItemAndNotify(dest_folder, item_ptr.Pass());
+ } else {
+ AddItemToItemListAndNotifyUpdate(item_ptr.Pass());
+ }
+}
+
+bool AppListModel::MoveItemToFolderAt(AppListItem* item,
+ const std::string& folder_id,
+ syncer::StringOrdinal position) {
+ DVLOG(2) << "MoveItemToFolderAt: " << folder_id
+ << "[" << position.ToDebugString() << "]"
+ << " <- " << item->ToDebugString();
+ if (item->folder_id() == folder_id)
+ return false;
+ AppListFolderItem* src_folder = FindOrCreateFolderItem(item->folder_id());
+ if (src_folder &&
+ src_folder->folder_type() == AppListFolderItem::FOLDER_TYPE_OEM) {
+ LOG(WARNING) << "MoveItemToFolderAt called with OEM folder as source";
+ return false;
+ }
+ AppListFolderItem* dest_folder = FindOrCreateFolderItem(folder_id);
+ scoped_ptr<AppListItem> item_ptr = RemoveItem(item);
+ if (dest_folder) {
+ item_ptr->set_position(
+ dest_folder->item_list()->CreatePositionBefore(position));
+ AddItemToFolderItemAndNotify(dest_folder, item_ptr.Pass());
+ } else {
+ item_ptr->set_position(
+ top_level_item_list_->CreatePositionBefore(position));
+ AddItemToItemListAndNotifyUpdate(item_ptr.Pass());
+ }
+ return true;
+}
+
+void AppListModel::SetItemPosition(AppListItem* item,
+ const syncer::StringOrdinal& new_position) {
+ if (!item->IsInFolder()) {
+ top_level_item_list_->SetItemPosition(item, new_position);
+ // Note: this will trigger OnListItemMoved which will signal observers.
+ // (This is done this way because some View code still moves items within
+ // the item list directly).
+ return;
+ }
+ AppListFolderItem* folder = FindFolderItem(item->folder_id());
+ DCHECK(folder);
+ folder->item_list()->SetItemPosition(item, new_position);
+ FOR_EACH_OBSERVER(AppListModelObserver,
+ observers_,
+ OnAppListItemUpdated(item));
+}
+
+void AppListModel::SetItemName(AppListItem* item, const std::string& name) {
+ item->SetName(name);
+ DVLOG(2) << "AppListModel::SetItemName: " << item->ToDebugString();
+ FOR_EACH_OBSERVER(AppListModelObserver,
+ observers_,
+ OnAppListItemUpdated(item));
+}
+
+void AppListModel::SetItemNameAndShortName(AppListItem* item,
+ const std::string& name,
+ const std::string& short_name) {
+ item->SetNameAndShortName(name, short_name);
+ DVLOG(2) << "AppListModel::SetItemNameAndShortName: "
+ << item->ToDebugString();
+ FOR_EACH_OBSERVER(AppListModelObserver,
+ observers_,
+ OnAppListItemUpdated(item));
+}
+
+void AppListModel::DeleteItem(const std::string& id) {
+ AppListItem* item = FindItem(id);
+ if (!item)
+ return;
+ if (!item->IsInFolder()) {
+ DCHECK_EQ(0u, item->ChildItemCount())
+ << "Invalid call to DeleteItem for item with children: " << id;
+ FOR_EACH_OBSERVER(AppListModelObserver,
+ observers_,
+ OnAppListItemWillBeDeleted(item));
+ top_level_item_list_->DeleteItem(id);
+ FOR_EACH_OBSERVER(AppListModelObserver, observers_, OnAppListItemDeleted());
+ return;
+ }
+ AppListFolderItem* folder = FindFolderItem(item->folder_id());
+ DCHECK(folder) << "Folder not found for item: " << item->ToDebugString();
+ scoped_ptr<AppListItem> child_item = RemoveItemFromFolder(folder, item);
+ DCHECK_EQ(item, child_item.get());
+ FOR_EACH_OBSERVER(AppListModelObserver,
+ observers_,
+ OnAppListItemWillBeDeleted(item));
+ child_item.reset(); // Deletes item.
+ FOR_EACH_OBSERVER(AppListModelObserver, observers_, OnAppListItemDeleted());
+}
+
+void AppListModel::NotifyExtensionPreferenceChanged() {
+ for (size_t i = 0; i < top_level_item_list_->item_count(); ++i)
+ top_level_item_list_->item_at(i)->OnExtensionPreferenceChanged();
+}
+
+void AppListModel::SetFoldersEnabled(bool folders_enabled) {
+ folders_enabled_ = folders_enabled;
+ if (folders_enabled)
+ return;
+ // Remove child items from folders.
+ std::vector<std::string> folder_ids;
+ for (size_t i = 0; i < top_level_item_list_->item_count(); ++i) {
+ AppListItem* item = top_level_item_list_->item_at(i);
+ if (item->GetItemType() != AppListFolderItem::kItemType)
+ continue;
+ AppListFolderItem* folder = static_cast<AppListFolderItem*>(item);
+ if (folder->folder_type() == AppListFolderItem::FOLDER_TYPE_OEM)
+ continue; // Do not remove OEM folders.
+ while (folder->item_list()->item_count()) {
+ scoped_ptr<AppListItem> child = folder->item_list()->RemoveItemAt(0);
+ child->set_folder_id("");
+ AddItemToItemListAndNotifyUpdate(child.Pass());
+ }
+ folder_ids.push_back(folder->id());
+ }
+ // Delete folders.
+ for (size_t i = 0; i < folder_ids.size(); ++i)
+ DeleteItem(folder_ids[i]);
+}
+
+std::vector<SearchResult*> AppListModel::FilterSearchResultsByDisplayType(
+ SearchResults* results,
+ SearchResult::DisplayType display_type,
+ size_t max_results) {
+ std::vector<SearchResult*> matches;
+ for (size_t i = 0; i < results->item_count(); ++i) {
+ SearchResult* item = results->GetItemAt(i);
+ if (item->display_type() == display_type) {
+ matches.push_back(item);
+ if (matches.size() == max_results)
+ break;
+ }
+ }
+ return matches;
+}
+
+// Private methods
+
+void AppListModel::OnListItemMoved(size_t from_index,
+ size_t to_index,
+ AppListItem* item) {
+ FOR_EACH_OBSERVER(AppListModelObserver,
+ observers_,
+ OnAppListItemUpdated(item));
+}
+
+AppListFolderItem* AppListModel::FindOrCreateFolderItem(
+ const std::string& folder_id) {
+ if (folder_id.empty())
+ return NULL;
+
+ AppListFolderItem* dest_folder = FindFolderItem(folder_id);
+ if (dest_folder)
+ return dest_folder;
+
+ if (!folders_enabled()) {
+ LOG(ERROR) << "Attempt to create folder item when disabled: " << folder_id;
+ return NULL;
+ }
+
+ DVLOG(2) << "Creating new folder: " << folder_id;
+ scoped_ptr<AppListFolderItem> new_folder(
+ new AppListFolderItem(folder_id, AppListFolderItem::FOLDER_TYPE_NORMAL));
+ new_folder->set_position(
+ top_level_item_list_->CreatePositionBefore(syncer::StringOrdinal()));
+ AppListItem* new_folder_item =
+ AddItemToItemListAndNotify(new_folder.PassAs<AppListItem>());
+ return static_cast<AppListFolderItem*>(new_folder_item);
+}
+
+AppListItem* AppListModel::AddItemToItemListAndNotify(
+ scoped_ptr<AppListItem> item_ptr) {
+ DCHECK(!item_ptr->IsInFolder());
+ AppListItem* item = top_level_item_list_->AddItem(item_ptr.Pass());
+ FOR_EACH_OBSERVER(AppListModelObserver,
+ observers_,
+ OnAppListItemAdded(item));
+ return item;
+}
+
+AppListItem* AppListModel::AddItemToItemListAndNotifyUpdate(
+ scoped_ptr<AppListItem> item_ptr) {
+ DCHECK(!item_ptr->IsInFolder());
+ AppListItem* item = top_level_item_list_->AddItem(item_ptr.Pass());
+ FOR_EACH_OBSERVER(AppListModelObserver,
+ observers_,
+ OnAppListItemUpdated(item));
+ return item;
+}
+
+AppListItem* AppListModel::AddItemToFolderItemAndNotify(
+ AppListFolderItem* folder,
+ scoped_ptr<AppListItem> item_ptr) {
+ CHECK_NE(folder->id(), item_ptr->folder_id());
+ AppListItem* item = folder->item_list()->AddItem(item_ptr.Pass());
+ item->set_folder_id(folder->id());
+ FOR_EACH_OBSERVER(AppListModelObserver,
+ observers_,
+ OnAppListItemUpdated(item));
+ return item;
+}
+
+scoped_ptr<AppListItem> AppListModel::RemoveItem(AppListItem* item) {
+ if (!item->IsInFolder())
+ return top_level_item_list_->RemoveItem(item->id());
+
+ AppListFolderItem* folder = FindFolderItem(item->folder_id());
+ return RemoveItemFromFolder(folder, item);
+}
+
+scoped_ptr<AppListItem> AppListModel::RemoveItemFromFolder(
+ AppListFolderItem* folder,
+ AppListItem* item) {
+ std::string folder_id = folder->id();
+ CHECK_EQ(item->folder_id(), folder_id);
+ scoped_ptr<AppListItem> result = folder->item_list()->RemoveItem(item->id());
+ result->set_folder_id("");
+ if (folder->item_list()->item_count() == 0) {
+ DVLOG(2) << "Deleting empty folder: " << folder->ToDebugString();
+ DeleteItem(folder_id);
+ }
+ return result.Pass();
+}
+
} // namespace app_list
projects / platform / framework / web / crosswalk.git / blobdiff