15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/view_model.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/view.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace views { 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ViewModel::ViewModel() { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ViewModel::~ViewModel() { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // view are owned by their parent, no need to delete them. 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ViewModel::Add(View* view, int index) { 208bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) DCHECK_LE(index, static_cast<int>(entries_.size())); 218bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) DCHECK_GE(index, 0); 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Entry entry; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry.view = view; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.insert(entries_.begin() + index, entry); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ViewModel::Remove(int index) { 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index == -1) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) check_index(index); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.erase(entries_.begin() + index); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ViewModel::Move(int index, int target_index) { 36cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK_LT(index, static_cast<int>(entries_.size())); 37cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK_GE(index, 0); 38cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK_LT(target_index, static_cast<int>(entries_.size())); 39cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK_GE(target_index, 0); 40cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index == target_index) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Entry entry(entries_[index]); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.erase(entries_.begin() + index); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.insert(entries_.begin() + target_index, entry); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ViewModel::MoveViewOnly(int index, int target_index) { 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index == target_index) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (target_index < index) { 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) View* view = entries_[index].view; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = index; i > target_index; --i) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[i].view = entries_[i - 1].view; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[target_index].view = view; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) View* view = entries_[index].view; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = index; i < target_index; ++i) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[i].view = entries_[i + 1].view; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[target_index].view = view; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ViewModel::Clear() { 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Entries entries; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries.swap(entries_); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < entries.size(); ++i) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete entries[i].view; 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int ViewModel::GetIndexOfView(const View* view) const { 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < entries_.size(); ++i) { 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entries_[i].view == view) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<int>(i); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return -1; 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace views 80