back_forward_menu_model.cc revision 3f50c38dc070f4bb515c1b64450dae14f316474e
13345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick// Copyright (c) 2010 The Chromium Authors. All rights reserved. 2c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// Use of this source code is governed by a BSD-style license that can be 3c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// found in the LICENSE file. 4c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 5c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "build/build_config.h" 6c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 721d179b334e59e9a3bfcaed4c4430bef1bc5759dKristian Monsen#include "chrome/browser/ui/toolbar/back_forward_menu_model.h" 8c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 9c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "app/l10n_util.h" 10201ade2fbba22bfb27ae029f4d23fca6ded109a0Ben Murdoch#include "app/text_elider.h" 11c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "app/resource_bundle.h" 123345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick#include "base/string_number_conversions.h" 13c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "chrome/browser/metrics/user_metrics.h" 14c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "chrome/browser/tab_contents/navigation_controller.h" 15c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "chrome/browser/tab_contents/navigation_entry.h" 16c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "chrome/browser/tab_contents/tab_contents.h" 173f50c38dc070f4bb515c1b64450dae14f316474eKristian Monsen#include "chrome/browser/prefs/pref_service.h" 183f50c38dc070f4bb515c1b64450dae14f316474eKristian Monsen#include "chrome/browser/profiles/profile.h" 194a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch#include "chrome/browser/ui/browser.h" 203f50c38dc070f4bb515c1b64450dae14f316474eKristian Monsen#include "chrome/common/pref_names.h" 21c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "chrome/common/url_constants.h" 22c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "grit/generated_resources.h" 23c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "grit/theme_resources.h" 24c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "net/base/registry_controlled_domain.h" 25c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 26c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochconst int BackForwardMenuModel::kMaxHistoryItems = 12; 27c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochconst int BackForwardMenuModel::kMaxChapterStops = 5; 28201ade2fbba22bfb27ae029f4d23fca6ded109a0Ben Murdochstatic const int kMaxWidth = 700; 29c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 30c407dc5cd9bdc5668497f21b26b09d988ab439deBen MurdochBackForwardMenuModel::BackForwardMenuModel(Browser* browser, 31c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch ModelType model_type) 32c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch : browser_(browser), 33c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch test_tab_contents_(NULL), 34c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch model_type_(model_type) { 35c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 36c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 37c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochbool BackForwardMenuModel::HasIcons() const { 38c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return true; 39c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 40c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 41c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochint BackForwardMenuModel::GetItemCount() const { 42c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int items = GetHistoryItemCount(); 43c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 44c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (items > 0) { 45c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int chapter_stops = 0; 46c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 47c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Next, we count ChapterStops, if any. 48c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (items == kMaxHistoryItems) 49c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch chapter_stops = GetChapterStopCount(items); 50c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 51c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (chapter_stops) 52c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch items += chapter_stops + 1; // Chapter stops also need a separator. 53c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 54c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // If the menu is not empty, add two positions in the end 55c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // for a separator and a "Show Full History" item. 56c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch items += 2; 57c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 58c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 59c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return items; 60c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 61c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 62c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochmenus::MenuModel::ItemType BackForwardMenuModel::GetTypeAt(int index) const { 63c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return IsSeparator(index) ? TYPE_SEPARATOR : TYPE_COMMAND; 64c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 65c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 66c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochint BackForwardMenuModel::GetCommandIdAt(int index) const { 67c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return index; 68c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 69c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 70c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochstring16 BackForwardMenuModel::GetLabelAt(int index) const { 71c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Return label "Show Full History" for the last item of the menu. 72c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (index == GetItemCount() - 1) 73c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return l10n_util::GetStringUTF16(IDS_SHOWFULLHISTORY_LINK); 74c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 75c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Return an empty string for a separator. 76c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (IsSeparator(index)) 77c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return string16(); 78c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 79201ade2fbba22bfb27ae029f4d23fca6ded109a0Ben Murdoch // Return the entry title, escaping any '&' characters and eliding it if it's 80201ade2fbba22bfb27ae029f4d23fca6ded109a0Ben Murdoch // super long. 81c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch NavigationEntry* entry = GetNavigationEntry(index); 82c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch string16 menu_text(entry->GetTitleForDisplay( 833f50c38dc070f4bb515c1b64450dae14f316474eKristian Monsen GetTabContents()->profile()->GetPrefs()-> 843f50c38dc070f4bb515c1b64450dae14f316474eKristian Monsen GetString(prefs::kAcceptLanguages))); 85201ade2fbba22bfb27ae029f4d23fca6ded109a0Ben Murdoch menu_text = gfx::ElideText(menu_text, gfx::Font(), kMaxWidth, false); 86201ade2fbba22bfb27ae029f4d23fca6ded109a0Ben Murdoch 87c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch for (size_t i = menu_text.find('&'); i != string16::npos; 88c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch i = menu_text.find('&', i + 2)) { 89c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch menu_text.insert(i, 1, '&'); 90c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 91c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return menu_text; 92c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 93c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 9421d179b334e59e9a3bfcaed4c4430bef1bc5759dKristian Monsenbool BackForwardMenuModel::IsItemDynamicAt(int index) const { 95c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // This object is only used for a single showing of a menu. 96c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return false; 97c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 98c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 99c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochbool BackForwardMenuModel::GetAcceleratorAt( 100c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int index, 101c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch menus::Accelerator* accelerator) const { 102c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return false; 103c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 104c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 105c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochbool BackForwardMenuModel::IsItemCheckedAt(int index) const { 106c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return false; 107c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 108c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 109c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochint BackForwardMenuModel::GetGroupIdAt(int index) const { 110c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return false; 111c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 112c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 113c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochbool BackForwardMenuModel::GetIconAt(int index, SkBitmap* icon) const { 114c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (!ItemHasIcon(index)) 115c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return false; 116c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 117c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (index == GetItemCount() - 1) { 118c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch *icon = *ResourceBundle::GetSharedInstance().GetBitmapNamed( 119c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch IDR_HISTORY_FAVICON); 120c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } else { 121c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch NavigationEntry* entry = GetNavigationEntry(index); 122c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch *icon = entry->favicon().bitmap(); 123c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 124c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 125c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return true; 126c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 127c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 128c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochmenus::ButtonMenuItemModel* BackForwardMenuModel::GetButtonMenuItemAt( 129c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int index) const { 130c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return NULL; 131c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 132c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 133c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochbool BackForwardMenuModel::IsEnabledAt(int index) const { 134c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return index < GetItemCount() && !IsSeparator(index); 135c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 136c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 137c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochmenus::MenuModel* BackForwardMenuModel::GetSubmenuModelAt(int index) const { 138c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return NULL; 139c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 140c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 141c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochvoid BackForwardMenuModel::HighlightChangedTo(int index) { 142c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 143c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 144c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochvoid BackForwardMenuModel::ActivatedAt(int index) { 145c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch ActivatedAtWithDisposition(index, CURRENT_TAB); 146c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 147c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 148c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochvoid BackForwardMenuModel::ActivatedAtWithDisposition( 1494a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch int index, int disposition) { 150c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch Profile* profile = browser_->profile(); 151c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 152c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch DCHECK(!IsSeparator(index)); 153c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 154c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Execute the command for the last item: "Show Full History". 155c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (index == GetItemCount() - 1) { 156c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch UserMetrics::RecordComputedAction(BuildActionName("ShowFullHistory", -1), 157c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch profile); 1584a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch browser_->ShowSingletonTab(GURL(chrome::kChromeUIHistoryURL), false); 159c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return; 160c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 161c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 162c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Log whether it was a history or chapter click. 163c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (index < GetHistoryItemCount()) { 164c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch UserMetrics::RecordComputedAction( 165c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch BuildActionName("HistoryClick", index), profile); 166c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } else { 167c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch UserMetrics::RecordComputedAction( 168c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch BuildActionName("ChapterClick", index - GetHistoryItemCount() - 1), 169c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch profile); 170c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 171c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 172c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int controller_index = MenuIndexToNavEntryIndex(index); 1734a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch if (!browser_->NavigateToIndexWithDisposition( 1744a5e2dc747d50c653511c68ccb2cfbfb740bd5a7Ben Murdoch controller_index, static_cast<WindowOpenDisposition>(disposition))) { 175c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch NOTREACHED(); 176c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 177c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 178c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 179c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochvoid BackForwardMenuModel::MenuWillShow() { 180c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch UserMetrics::RecordComputedAction(BuildActionName("Popup", -1), 181c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch browser_->profile()); 182c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 183c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 184c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochbool BackForwardMenuModel::IsSeparator(int index) const { 185c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int history_items = GetHistoryItemCount(); 186c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // If the index is past the number of history items + separator, 187c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // we then consider if it is a chapter-stop entry. 188c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (index > history_items) { 189c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // We either are in ChapterStop area, or at the end of the list (the "Show 190c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Full History" link). 191c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int chapter_stops = GetChapterStopCount(history_items); 192c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (chapter_stops == 0) 193c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return false; // We must have reached the "Show Full History" link. 194c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Otherwise, look to see if we have reached the separator for the 195c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // chapter-stops. If not, this is a chapter stop. 196c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return (index == history_items + 1 + chapter_stops); 197c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 198c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 199c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Look to see if we have reached the separator for the history items. 200c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return index == history_items; 201c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 202c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 203c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochint BackForwardMenuModel::GetHistoryItemCount() const { 204c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch TabContents* contents = GetTabContents(); 205c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int items = 0; 206c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 207c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (model_type_ == FORWARD_MENU) { 208c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Only count items from n+1 to end (if n is current entry) 209c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch items = contents->controller().entry_count() - 210c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch contents->controller().GetCurrentEntryIndex() - 1; 211c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } else { 212c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch items = contents->controller().GetCurrentEntryIndex(); 213c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 214c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 215c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (items > kMaxHistoryItems) 216c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch items = kMaxHistoryItems; 217c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch else if (items < 0) 218c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch items = 0; 219c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 220c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return items; 221c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 222c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 223c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochint BackForwardMenuModel::GetChapterStopCount(int history_items) const { 224c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch TabContents* contents = GetTabContents(); 225c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 226c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int chapter_stops = 0; 227c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int current_entry = contents->controller().GetCurrentEntryIndex(); 228c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 229c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (history_items == kMaxHistoryItems) { 230c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int chapter_id = current_entry; 231c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (model_type_ == FORWARD_MENU) { 232c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch chapter_id += history_items; 233c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } else { 234c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch chapter_id -= history_items; 235c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 236c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 237c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch do { 238c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch chapter_id = GetIndexOfNextChapterStop(chapter_id, 239c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch model_type_ == FORWARD_MENU); 240c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (chapter_id != -1) 241c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch ++chapter_stops; 242c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } while (chapter_id != -1 && chapter_stops < kMaxChapterStops); 243c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 244c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 245c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return chapter_stops; 246c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 247c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 248c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochint BackForwardMenuModel::GetIndexOfNextChapterStop(int start_from, 249c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch bool forward) const { 250c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch TabContents* contents = GetTabContents(); 251c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch NavigationController& controller = contents->controller(); 252c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 253c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int max_count = controller.entry_count(); 254c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (start_from < 0 || start_from >= max_count) 255c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return -1; // Out of bounds. 256c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 257c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (forward) { 258c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (start_from < max_count - 1) { 259c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // We want to advance over the current chapter stop, so we add one. 260c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // We don't need to do this when direction is backwards. 261c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch start_from++; 262c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } else { 263c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return -1; 264c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 265c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 266c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 267c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch NavigationEntry* start_entry = controller.GetEntryAtIndex(start_from); 268c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch const GURL& url = start_entry->url(); 269c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 270c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (!forward) { 271c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // When going backwards we return the first entry we find that has a 272c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // different domain. 273c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch for (int i = start_from - 1; i >= 0; --i) { 274c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (!net::RegistryControlledDomainService::SameDomainOrHost(url, 275c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch controller.GetEntryAtIndex(i)->url())) 276c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return i; 277c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 278c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // We have reached the beginning without finding a chapter stop. 279c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return -1; 280c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } else { 281c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // When going forwards we return the entry before the entry that has a 282c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // different domain. 283c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch for (int i = start_from + 1; i < max_count; ++i) { 284c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (!net::RegistryControlledDomainService::SameDomainOrHost(url, 285c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch controller.GetEntryAtIndex(i)->url())) 286c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return i - 1; 287c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 288c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Last entry is always considered a chapter stop. 289c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return max_count - 1; 290c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 291c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 292c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 293c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochint BackForwardMenuModel::FindChapterStop(int offset, 294c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch bool forward, 295c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int skip) const { 296c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (offset < 0 || skip < 0) 297c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return -1; 298c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 299c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (!forward) 300c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch offset *= -1; 301c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 302c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch TabContents* contents = GetTabContents(); 303c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int entry = contents->controller().GetCurrentEntryIndex() + offset; 304c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch for (int i = 0; i < skip + 1; i++) 305c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch entry = GetIndexOfNextChapterStop(entry, forward); 306c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 307c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return entry; 308c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 309c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 310c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochbool BackForwardMenuModel::ItemHasCommand(int index) const { 311c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return index < GetItemCount() && !IsSeparator(index); 312c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 313c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 314c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochbool BackForwardMenuModel::ItemHasIcon(int index) const { 315c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return index < GetItemCount() && !IsSeparator(index); 316c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 317c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 318c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochstring16 BackForwardMenuModel::GetShowFullHistoryLabel() const { 319c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return l10n_util::GetStringUTF16(IDS_SHOWFULLHISTORY_LINK); 320c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 321c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 322c407dc5cd9bdc5668497f21b26b09d988ab439deBen MurdochTabContents* BackForwardMenuModel::GetTabContents() const { 323c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // We use the test tab contents if the unit test has specified it. 324c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return test_tab_contents_ ? test_tab_contents_ : 325c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch browser_->GetSelectedTabContents(); 326c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 327c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 328c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochint BackForwardMenuModel::MenuIndexToNavEntryIndex(int index) const { 329c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch TabContents* contents = GetTabContents(); 330c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int history_items = GetHistoryItemCount(); 331c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 332c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch DCHECK_GE(index, 0); 333c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 334c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Convert anything above the History items separator. 335c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (index < history_items) { 336c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (model_type_ == FORWARD_MENU) { 337c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch index += contents->controller().GetCurrentEntryIndex() + 1; 338c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } else { 339c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Back menu is reverse. 340c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch index = contents->controller().GetCurrentEntryIndex() - (index + 1); 341c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 342c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return index; 343c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 344c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (index == history_items) 345c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return -1; // Don't translate the separator for history items. 346c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 347c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (index >= history_items + 1 + GetChapterStopCount(history_items)) 348c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return -1; // This is beyond the last chapter stop so we abort. 349c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 350c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // This menu item is a chapter stop located between the two separators. 351c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch index = FindChapterStop(history_items, 352c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch model_type_ == FORWARD_MENU, 353c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch index - history_items - 1); 354c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 355c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return index; 356c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 357c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 358c407dc5cd9bdc5668497f21b26b09d988ab439deBen MurdochNavigationEntry* BackForwardMenuModel::GetNavigationEntry(int index) const { 359c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int controller_index = MenuIndexToNavEntryIndex(index); 360c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch NavigationController& controller = GetTabContents()->controller(); 361c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (controller_index >= 0 && controller_index < controller.entry_count()) 362c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return controller.GetEntryAtIndex(controller_index); 363c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 364c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch NOTREACHED(); 365c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return NULL; 366c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 367c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 368c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochstd::string BackForwardMenuModel::BuildActionName( 369c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch const std::string& action, int index) const { 370c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch DCHECK(!action.empty()); 371c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch DCHECK(index >= -1); 372c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch std::string metric_string; 373c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (model_type_ == FORWARD_MENU) 374c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch metric_string += "ForwardMenu_"; 375c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch else 376c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch metric_string += "BackMenu_"; 377c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch metric_string += action; 378c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch if (index != -1) { 379c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // +1 is for historical reasons (indices used to start at 1). 3803345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick metric_string += base::IntToString(index + 1); 381c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch } 382c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch return metric_string; 383c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch} 384