[ntp4] Remove bookmarks page implementation and resources.

chrome/browser/ui/webui/ntp/bookmarks_handler.cc

Index: chrome/browser/ui/webui/ntp/bookmarks_handler.cc
===================================================================
--- chrome/browser/ui/webui/ntp/bookmarks_handler.cc	(revision 112258)
+++ chrome/browser/ui/webui/ntp/bookmarks_handler.cc	(working copy)
@@ -1,338 +0,0 @@
-// Copyright (c) 2011 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 "chrome/browser/ui/webui/ntp/bookmarks_handler.h"
-
-#include "base/auto_reset.h"
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/string_number_conversions.h"
-#include "base/values.h"
-#include "chrome/browser/bookmarks/bookmark_extension_api_constants.h"
-#include "chrome/browser/bookmarks/bookmark_model.h"
-#include "chrome/browser/prefs/pref_service.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/sync/profile_sync_service.h"
-#include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/pref_names.h"
-
-// TODO(csilv):
-// Much of this implementation is based on the classes defined in
-// extension_bookmarks_module.cc.  Longer term we should consider migrating
-// NTP into an embedded extension which would allow us to leverage the same
-// bookmark APIs as the bookmark manager.
-
-namespace keys = bookmark_extension_api_constants;
-
-BookmarksHandler::BookmarksHandler() : model_(NULL),
-                                       dom_ready_(false),
-                                       from_current_page_(false) {
-}
-
-BookmarksHandler::~BookmarksHandler() {
-  if (model_)
-    model_->RemoveObserver(this);
-}
-
-WebUIMessageHandler* BookmarksHandler::Attach(WebUI* web_ui) {
-  WebUIMessageHandler::Attach(web_ui);
-  model_ = Profile::FromWebUI(web_ui)->GetBookmarkModel();
-  if (model_)
-    model_->AddObserver(this);
-  return this;
-}
-
-void BookmarksHandler::RegisterMessages() {
-  web_ui_->RegisterMessageCallback("createBookmark",
-      base::Bind(&BookmarksHandler::HandleCreateBookmark,
-                 base::Unretained(this)));
-  web_ui_->RegisterMessageCallback("getBookmarksData",
-      base::Bind(&BookmarksHandler::HandleGetBookmarksData,
-                 base::Unretained(this)));
-  web_ui_->RegisterMessageCallback("moveBookmark",
-      base::Bind(&BookmarksHandler::HandleMoveBookmark,
-                 base::Unretained(this)));
-  web_ui_->RegisterMessageCallback("removeBookmark",
-      base::Bind(&BookmarksHandler::HandleRemoveBookmark,
-                 base::Unretained(this)));
-}
-
-void BookmarksHandler::Loaded(BookmarkModel* model, bool ids_reassigned) {
-  if (dom_ready_)
-    HandleGetBookmarksData(NULL);
-}
-
-void BookmarksHandler::BookmarkModelBeingDeleted(BookmarkModel* model) {
-  // If this occurs it probably means that this tab will close shortly.
-  // Discard our reference to the model so that we won't use it again.
-  model_ = NULL;
-}
-
-void BookmarksHandler::BookmarkNodeMoved(BookmarkModel* model,
-                                         const BookmarkNode* old_parent,
-                                         int old_index,
-                                         const BookmarkNode* new_parent,
-                                         int new_index) {
-  if (!dom_ready_) return;
-  const BookmarkNode* node = new_parent->GetChild(new_index);
-  base::StringValue id(base::Int64ToString(node->id()));
-  base::DictionaryValue move_info;
-  move_info.SetString(keys::kParentIdKey,
-                      base::Int64ToString(new_parent->id()));
-  move_info.SetInteger(keys::kIndexKey, new_index);
-  move_info.SetString(keys::kOldParentIdKey,
-                      base::Int64ToString(old_parent->id()));
-  move_info.SetInteger(keys::kOldIndexKey, old_index);
-  base::FundamentalValue from_page(from_current_page_);
-
-  web_ui_->CallJavascriptFunction("ntp4.bookmarkNodeMoved", id, move_info,
-                                  from_page);
-}
-
-void BookmarksHandler::BookmarkNodeAdded(BookmarkModel* model,
-                                         const BookmarkNode* parent,
-                                         int index) {
-  if (!dom_ready_) return;
-  const BookmarkNode* node = parent->GetChild(index);
-  base::StringValue id(base::Int64ToString(node->id()));
-  scoped_ptr<base::DictionaryValue> node_info(GetNodeDictionary(node));
-  base::FundamentalValue from_page(from_current_page_);
-
-  web_ui_->CallJavascriptFunction("ntp4.bookmarkNodeAdded", id, *node_info,
-                                  from_page);
-}
-
-void BookmarksHandler::BookmarkNodeRemoved(BookmarkModel* model,
-                                           const BookmarkNode* parent,
-                                           int index,
-                                           const BookmarkNode* node) {
-  if (!dom_ready_) return;
-
-  base::StringValue id(base::Int64ToString(node->id()));
-  base::DictionaryValue remove_info;
-  remove_info.SetString(keys::kParentIdKey, base::Int64ToString(parent->id()));
-  remove_info.SetInteger(keys::kIndexKey, index);
-  base::FundamentalValue from_page(from_current_page_);
-
-  web_ui_->CallJavascriptFunction("ntp4.bookmarkNodeRemoved", id, remove_info,
-                                  from_page);
-}
-
-void BookmarksHandler::BookmarkNodeChanged(BookmarkModel* model,
-                                           const BookmarkNode* node) {
-  if (!dom_ready_) return;
-  base::StringValue id(base::Int64ToString(node->id()));
-  base::DictionaryValue change_info;
-  change_info.SetString(keys::kTitleKey, node->GetTitle());
-  if (node->is_url())
-    change_info.SetString(keys::kUrlKey, node->url().spec());
-  base::FundamentalValue from_page(from_current_page_);
-
-  web_ui_->CallJavascriptFunction("ntp4.bookmarkNodeChanged", id, change_info,
-                                  from_page);
-}
-
-void BookmarksHandler::BookmarkNodeFaviconChanged(BookmarkModel* model,
-                                                  const BookmarkNode* node) {
-  // Favicons are handled by through use of the chrome://favicon protocol, so
-  // there's nothing for us to do here (but we need to provide an
-  // implementation).
-}
-
-void BookmarksHandler::BookmarkNodeChildrenReordered(BookmarkModel* model,
-                                                     const BookmarkNode* node) {
-  if (!dom_ready_) return;
-  base::StringValue id(base::Int64ToString(node->id()));
-  base::ListValue* children = new base::ListValue;
-  for (int i = 0; i < node->child_count(); ++i) {
-    const BookmarkNode* child = node->GetChild(i);
-    Value* child_id = new StringValue(base::Int64ToString(child->id()));
-    children->Append(child_id);
-  }
-  base::DictionaryValue reorder_info;
-  reorder_info.Set(keys::kChildIdsKey, children);
-  base::FundamentalValue from_page(from_current_page_);
-
-  web_ui_->CallJavascriptFunction("ntp4.bookmarkNodeChildrenReordered", id,
-                                  reorder_info, from_page);
-}
-
-void BookmarksHandler::BookmarkImportBeginning(BookmarkModel* model) {
-  if (dom_ready_)
-    web_ui_->CallJavascriptFunction("ntp4.bookmarkImportBegan");
-}
-
-void BookmarksHandler::BookmarkImportEnding(BookmarkModel* model) {
-  if (dom_ready_)
-    web_ui_->CallJavascriptFunction("ntp4.bookmarkImportEnded");
-}
-
-void BookmarksHandler::HandleCreateBookmark(const ListValue* args) {
-  if (!model_) return;
-
-  // This is the only required argument - a stringified int64 parent ID.
-  std::string parent_id_string;
-  CHECK(args->GetString(0, &parent_id_string));
-  int64 parent_id;
-  CHECK(base::StringToInt64(parent_id_string, &parent_id));
-
-  const BookmarkNode* parent = model_->GetNodeByID(parent_id);
-  if (!parent) return;
-
-  double index;
-  if (!args->GetDouble(1, &index) ||
-      (index > parent->child_count() || index < 0)) {
-    index = parent->child_count();
-  }
-
-  // If they didn't pass the argument, just use a blank string.
-  string16 title;
-  if (!args->GetString(2, &title))
-    title = string16();
-
-  // We'll be creating either a bookmark or a folder, so set this for both.
-  AutoReset<bool> from_page(&from_current_page_, true);
-
-  // According to the bookmarks API, "If url is NULL or missing, it will be a
-  // folder.". Let's just follow the same behavior.
-  std::string url_string;
-  if (args->GetString(3, &url_string)) {
-    GURL url(url_string);
-    if (!url.is_empty() && url.is_valid()) {
-      // Only valid case for a bookmark as opposed to folder.
-      model_->AddURL(parent, static_cast<int>(index), title, url);
-      return;
-    }
-  }
-
-  // We didn't have all the valid parts for a bookmark, just make a folder.
-  model_->AddFolder(parent, static_cast<int>(index), title);
-}
-
-void BookmarksHandler::HandleGetBookmarksData(const base::ListValue* args) {
-  dom_ready_ = true;
-
-  // At startup, Bookmarks may not be fully loaded. If this is the case,
-  // we'll wait for the notification to arrive.
-  Profile* profile = Profile::FromWebUI(web_ui_);
-  BookmarkModel* model = profile->GetBookmarkModel();
-  if (!model->IsLoaded()) return;
-
-  int64 id;
-  std::string id_string;
-  PrefService* prefs = profile->GetPrefs();
-  if (args && args->GetString(0, &id_string) &&
-      base::StringToInt64(id_string, &id)) {
-    // A folder ID was requested, so persist this value.
-    prefs->SetInt64(prefs::kNTPShownBookmarksFolder, id);
-  } else {
-    // No folder ID was requested, so get the default (persisted) value.
-    id = prefs->GetInt64(prefs::kNTPShownBookmarksFolder);
-  }
-
-  const BookmarkNode* node = model->GetNodeByID(id);
-  if (!node)
-    node = model->root_node();
-
-  // We wish to merge the root node with the bookmarks bar node.
-  if (model->is_root_node(node))
-    node = model->bookmark_bar_node();
-
-  base::ListValue* items = new base::ListValue;
-  for (int i = 0; i < node->child_count(); ++i) {
-    const BookmarkNode* child = node->GetChild(i);
-    AddNode(child, items);
-  }
-  if (node == model->bookmark_bar_node() && model->other_node()->child_count())
-    AddNode(model->other_node(), items);
-
-  base::ListValue* navigation_items = new base::ListValue;
-  while (node) {
-    if (node != model->bookmark_bar_node())
-      AddNode(node, navigation_items);
-    node = node->parent();
-  }
-
-  base::DictionaryValue bookmarksData;
-  bookmarksData.Set("items", items);
-  bookmarksData.Set("navigationItems", navigation_items);
-  web_ui_->CallJavascriptFunction("ntp4.setBookmarksData", bookmarksData);
-}
-
-void BookmarksHandler::HandleRemoveBookmark(const ListValue* args) {
-  if (!model_) return;
-
-  std::string id_string;
-  CHECK(args->GetString(0, &id_string));
-  int64 id;
-  CHECK(base::StringToInt64(id_string, &id));
-
-  const BookmarkNode* node = model_->GetNodeByID(id);
-  if (!node) return;
-
-  AutoReset<bool> from_page(&from_current_page_, true);
-  model_->Remove(node->parent(), node->parent()->GetIndexOf(node));
-}
-
-void BookmarksHandler::HandleMoveBookmark(const ListValue* args) {
-  if (!model_) return;
-
-  std::string id_string;
-  CHECK(args->GetString(0, &id_string));
-  int64 id;
-  CHECK(base::StringToInt64(id_string, &id));
-
-  std::string parent_id_string;
-  CHECK(args->GetString(1, &parent_id_string));
-  int64 parent_id;
-  CHECK(base::StringToInt64(parent_id_string, &parent_id));
-
-  double index;
-  args->GetDouble(2, &index);
-
-  const BookmarkNode* parent = model_->GetNodeByID(parent_id);
-  if (!parent) return;
-
-  const BookmarkNode* node = model_->GetNodeByID(id);
-  if (!node) return;
-
-  AutoReset<bool> from_page(&from_current_page_, true);
-  model_->Move(node, parent, static_cast<int>(index));
-}
-
-base::DictionaryValue* BookmarksHandler::GetNodeDictionary(
-    const BookmarkNode* node) {
-  base::DictionaryValue* dict = new base::DictionaryValue();
-  dict->SetString(keys::kIdKey, base::Int64ToString(node->id()));
-
-  const BookmarkNode* parent = node->parent();
-  if (parent) {
-    dict->SetString(keys::kParentIdKey, base::Int64ToString(parent->id()));
-    dict->SetInteger(keys::kIndexKey, parent->GetIndexOf(node));
-  }
-
-  NewTabUI::SetURLTitleAndDirection(dict, node->GetTitle(), node->url());
-
-  if (!node->is_folder())
-    dict->SetString(keys::kUrlKey, node->url().spec());
-
-  return dict;
-}
-
-void BookmarksHandler::AddNode(const BookmarkNode* node,
-                               base::ListValue* list) {
-  if (node->IsVisible()) {
-    base::DictionaryValue* dict = GetNodeDictionary(node);
-    list->Append(dict);
-  }
-}
-
-// static
-void BookmarksHandler::RegisterUserPrefs(PrefService* prefs) {
-  // Default folder is the root node.
-  // TODO(csilv): Should we sync this preference?
-  prefs->RegisterInt64Pref(prefs::kNTPShownBookmarksFolder, 0,
-                           PrefService::UNSYNCABLE_PREF);
-}