Remove WebUI NTP on Android.

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

Index: chrome/browser/ui/webui/ntp/android/bookmarks_handler.cc
diff --git a/chrome/browser/ui/webui/ntp/android/bookmarks_handler.cc b/chrome/browser/ui/webui/ntp/android/bookmarks_handler.cc
deleted file mode 100644
index 51afaff2a3ca211c04ee23f73b0db1093fa9dae9..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/webui/ntp/android/bookmarks_handler.cc
+++ /dev/null
@@ -1,583 +0,0 @@
-// Copyright (c) 2012 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/android/bookmarks_handler.h"
-
-#include "base/logging.h"
-#include "base/memory/ref_counted_memory.h"
-#include "base/metrics/histogram.h"
-#include "base/prefs/pref_service.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_util.h"
-#include "chrome/browser/android/tab_android.h"
-#include "chrome/browser/bookmarks/bookmark_model_factory.h"
-#include "chrome/browser/favicon/favicon_service_factory.h"
-#include "chrome/browser/profiles/incognito_helpers.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/browser/ui/webui/favicon_source.h"
-#include "chrome/common/pref_names.h"
-#include "components/bookmarks/core/browser/bookmark_model.h"
-#include "components/bookmarks/core/browser/bookmark_utils.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/url_data_source.h"
-#include "content/public/browser/web_contents.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "ui/gfx/codec/png_codec.h"
-#include "ui/gfx/color_analysis.h"
-#include "ui/gfx/favicon_size.h"
-
-using base::Int64ToString;
-using content::BrowserThread;
-
-namespace {
-
-static const char* kParentIdParam = "parent_id";
-static const char* kNodeIdParam = "node_id";
-
-// Defines actions taken by the user over the partner bookmarks on NTP for
-// NewTabPage.BookmarkActionAndroid histogram.
-// Should be kept in sync with the values in histograms.xml.
-enum PartnerBookmarkAction {
-  BOOKMARK_ACTION_DELETE_BOOKMARK_PARTNER = 0,
-  BOOKMARK_ACTION_DELETE_ROOT_FOLDER_PARTNER = 1,
-  BOOKMARK_ACTION_EDIT_BOOKMARK_PARTNER = 2,
-  BOOKMARK_ACTION_EDIT_ROOT_FOLDER_PARTNER = 3,
-  BOOKMARK_ACTION_BUCKET_BOUNDARY = 4
-};
-
-// Helper to record a bookmark action in BookmarkActionAndroid histogram.
-void RecordBookmarkAction(PartnerBookmarkAction type) {
-  UMA_HISTOGRAM_ENUMERATION("NewTabPage.BookmarkActionAndroid", type,
-                            BOOKMARK_ACTION_BUCKET_BOUNDARY);
-}
-
-std::string BookmarkTypeAsString(BookmarkNode::Type type) {
-  switch (type) {
-    case BookmarkNode::URL:
-      return "URL";
-    case BookmarkNode::FOLDER:
-      return "FOLDER";
-    case BookmarkNode::BOOKMARK_BAR:
-      return "BOOKMARK_BAR";
-    case BookmarkNode::OTHER_NODE:
-      return "OTHER_NODE";
-    case BookmarkNode::MOBILE:
-      return "MOBILE";
-    default:
-      return "UNKNOWN";
-  }
-}
-
-SkColor GetDominantColorForFavicon(scoped_refptr<base::RefCountedMemory> png) {
-  color_utils::GridSampler sampler;
-  // 100 here is the darkness_limit which represents the minimum sum of the RGB
-  // components that is acceptable as a color choice. This can be from 0 to 765.
-  // 665 here is the brightness_limit represents the maximum sum of the RGB
-  // components that is acceptable as a color choice. This can be from 0 to 765.
-  return color_utils::CalculateKMeanColorOfPNG(png, 100, 665, &sampler);
-}
-
-}  // namespace
-
-BookmarksHandler::BookmarksHandler()
-    : bookmark_model_(NULL),
-      partner_bookmarks_shim_(NULL),
-      bookmark_data_requested_(false),
-      extensive_changes_(false) {
-}
-
-BookmarksHandler::~BookmarksHandler() {
-  if (bookmark_model_)
-    bookmark_model_->RemoveObserver(this);
-
-  if (partner_bookmarks_shim_)
-    partner_bookmarks_shim_->RemoveObserver(this);
-
-  if (managed_bookmarks_shim_)
-    managed_bookmarks_shim_->RemoveObserver(this);
-}
-
-void BookmarksHandler::RegisterMessages() {
-  // Listen for the bookmark change. We need the both bookmark and folder
-  // change, the NotificationService is not sufficient.
-  Profile* profile = Profile::FromBrowserContext(
-      web_ui()->GetWebContents()->GetBrowserContext());
-
-  content::URLDataSource::Add(
-      profile, new FaviconSource(profile, FaviconSource::ANY));
-
-  bookmark_model_ = BookmarkModelFactory::GetForProfile(profile);
-  if (bookmark_model_) {
-    bookmark_model_->AddObserver(this);
-    // Since a sync or import could have started before this class is
-    // initialized, we need to make sure that our initial state is
-    // up to date.
-    extensive_changes_ = bookmark_model_->IsDoingExtensiveChanges();
-  }
-
-  // Create the partner Bookmarks shim as early as possible (but don't attach).
-  if (!partner_bookmarks_shim_) {
-    partner_bookmarks_shim_ = PartnerBookmarksShim::BuildForBrowserContext(
-        chrome::GetBrowserContextRedirectedInIncognito(
-            web_ui()->GetWebContents()->GetBrowserContext()));
-    partner_bookmarks_shim_->AddObserver(this);
-  }
-
-  managed_bookmarks_shim_.reset(new ManagedBookmarksShim(profile->GetPrefs()));
-  managed_bookmarks_shim_->AddObserver(this);
-
-  // Register ourselves as the handler for the bookmark javascript callbacks.
-  web_ui()->RegisterMessageCallback("getBookmarks",
-      base::Bind(&BookmarksHandler::HandleGetBookmarks,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback("deleteBookmark",
-      base::Bind(&BookmarksHandler::HandleDeleteBookmark,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback("editBookmark",
-        base::Bind(&BookmarksHandler::HandleEditBookmark,
-                   base::Unretained(this)));
-  web_ui()->RegisterMessageCallback("createHomeScreenBookmarkShortcut",
-      base::Bind(&BookmarksHandler::HandleCreateHomeScreenBookmarkShortcut,
-                 base::Unretained(this)));
-}
-
-void BookmarksHandler::HandleGetBookmarks(const base::ListValue* args) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  bookmark_data_requested_ = true;
-  if (!AreModelsLoaded())
-    return;  // is handled in Loaded()/PartnerShimLoaded() callback.
-
-  const BookmarkNode* node = GetNodeByID(args);
-  if (node)
-    QueryBookmarkFolder(node);
-  else
-    QueryInitialBookmarks();
-}
-
-void BookmarksHandler::HandleDeleteBookmark(const base::ListValue* args) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  if (!AreModelsLoaded())
-    return;
-
-  const BookmarkNode* node = GetNodeByID(args);
-  if (!node)
-    return;
-
-  if (!IsEditable(node)) {
-    NOTREACHED();
-    return;
-  }
-
-  if (partner_bookmarks_shim_->IsPartnerBookmark(node)) {
-    if (partner_bookmarks_shim_->GetPartnerBookmarksRoot() == node)
-      RecordBookmarkAction(BOOKMARK_ACTION_DELETE_ROOT_FOLDER_PARTNER);
-    else
-      RecordBookmarkAction(BOOKMARK_ACTION_DELETE_BOOKMARK_PARTNER);
-    partner_bookmarks_shim_->RemoveBookmark(node);
-    return;
-  }
-
-  const BookmarkNode* parent_node = node->parent();
-  bookmark_model_->Remove(parent_node, parent_node->GetIndexOf(node));
-}
-
-void BookmarksHandler::HandleEditBookmark(const base::ListValue* args) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  if (!AreModelsLoaded())
-    return;
-
-  const BookmarkNode* node = GetNodeByID(args);
-  if (!node)
-    return;
-
-  if (!IsEditable(node)) {
-    NOTREACHED();
-    return;
-  }
-
-  TabAndroid* tab = TabAndroid::FromWebContents(web_ui()->GetWebContents());
-  if (tab) {
-    if (partner_bookmarks_shim_->IsPartnerBookmark(node)) {
-      if (partner_bookmarks_shim_->GetPartnerBookmarksRoot() == node)
-        RecordBookmarkAction(BOOKMARK_ACTION_EDIT_ROOT_FOLDER_PARTNER);
-      else
-        RecordBookmarkAction(BOOKMARK_ACTION_EDIT_BOOKMARK_PARTNER);
-    }
-    tab->EditBookmark(node->id(),
-                      GetTitle(node),
-                      node->is_folder(),
-                      partner_bookmarks_shim_->IsPartnerBookmark(node));
-  }
-}
-
-bool BookmarksHandler::AreModelsLoaded() const {
-  Profile* profile = Profile::FromBrowserContext(
-      web_ui()->GetWebContents()->GetBrowserContext());
-  if (!profile)
-    return false;
-
-  BookmarkModel* model = BookmarkModelFactory::GetForProfile(profile);
-  if (!model || !model->loaded())
-    return false;
-
-  return partner_bookmarks_shim_ && partner_bookmarks_shim_->IsLoaded();
-}
-
-void BookmarksHandler::NotifyModelChanged(const base::DictionaryValue& status) {
-  DCHECK(AreModelsLoaded());
-
-  if (bookmark_data_requested_ && !extensive_changes_)
-    web_ui()->CallJavascriptFunction("ntp.bookmarkChanged", status);
-}
-
-std::string BookmarksHandler::GetBookmarkIdForNtp(const BookmarkNode* node) {
-  DCHECK(AreModelsLoaded());
-
-  std::string prefix;
-  if (partner_bookmarks_shim_->IsPartnerBookmark(node))
-    prefix = "p";
-  else if (managed_bookmarks_shim_->IsManagedBookmark(node))
-    prefix = "m";
-  return prefix + Int64ToString(node->id());
-}
-
-void BookmarksHandler::SetParentInBookmarksResult(
-    const BookmarkNode* parent,
-    base::DictionaryValue* result) {
-  result->SetString(kParentIdParam, GetBookmarkIdForNtp(parent));
-}
-
-void BookmarksHandler::PopulateBookmark(const BookmarkNode* node,
-                                        base::ListValue* result) {
-  if (!result)
-    return;
-
-  DCHECK(AreModelsLoaded());
-  if (!IsReachable(node))
-    return;
-
-  base::DictionaryValue* filler_value = new base::DictionaryValue();
-  filler_value->SetString("title", GetTitle(node));
-  filler_value->SetBoolean("editable", IsEditable(node));
-  if (node->is_url()) {
-    filler_value->SetBoolean("folder", false);
-    filler_value->SetString("url", node->url().spec());
-  } else {
-    filler_value->SetBoolean("folder", true);
-  }
-  filler_value->SetString("id", GetBookmarkIdForNtp(node));
-  filler_value->SetString("type", BookmarkTypeAsString(node->type()));
-  result->Append(filler_value);
-}
-
-void BookmarksHandler::PopulateBookmarksInFolder(
-    const BookmarkNode* folder,
-    base::DictionaryValue* result) {
-  DCHECK(AreModelsLoaded());
-  if (!IsReachable(folder))
-    return;
-
-  base::ListValue* bookmarks = new base::ListValue();
-
-  // If this is the Mobile bookmarks folder then add the "Managed bookmarks"
-  // folder first, so that it's the first entry.
-  if (bookmark_model_ && folder == bookmark_model_->mobile_node() &&
-      managed_bookmarks_shim_->HasManagedBookmarks()) {
-    PopulateBookmark(managed_bookmarks_shim_->GetManagedBookmarksRoot(),
-                     bookmarks);
-  }
-
-  for (int i = 0; i < folder->child_count(); i++) {
-    const BookmarkNode* bookmark= folder->GetChild(i);
-    PopulateBookmark(bookmark, bookmarks);
-  }
-
-  // Make sure we iterate over the partner's attach point
-  if (bookmark_model_ && folder == bookmark_model_->mobile_node() &&
-      partner_bookmarks_shim_->HasPartnerBookmarks()) {
-    PopulateBookmark(partner_bookmarks_shim_->GetPartnerBookmarksRoot(),
-                     bookmarks);
-  }
-
-  base::ListValue* folder_hierarchy = new base::ListValue();
-  const BookmarkNode* parent = GetParentOf(folder);
-
-  while (parent != NULL) {
-    base::DictionaryValue* hierarchy_entry = new base::DictionaryValue();
-    if (IsRoot(parent))
-      hierarchy_entry->SetBoolean("root", true);
-
-    hierarchy_entry->SetString("title", GetTitle(parent));
-    hierarchy_entry->SetString("id", GetBookmarkIdForNtp(parent));
-    folder_hierarchy->Append(hierarchy_entry);
-    parent = GetParentOf(parent);
-  }
-
-  result->SetString("title", GetTitle(folder));
-  result->SetString("id", GetBookmarkIdForNtp(folder));
-  result->SetBoolean("root", IsRoot(folder));
-  result->Set("bookmarks", bookmarks);
-  result->Set("hierarchy", folder_hierarchy);
-}
-
-void BookmarksHandler::QueryBookmarkFolder(const BookmarkNode* node) {
-  DCHECK(AreModelsLoaded());
-  if (node->is_folder() && IsReachable(node)) {
-    base::DictionaryValue result;
-    PopulateBookmarksInFolder(node, &result);
-    SendResult(result);
-  } else {
-    // If we receive an ID that no longer maps to a bookmark folder, just
-    // return the initial bookmark folder.
-    QueryInitialBookmarks();
-  }
-}
-
-void BookmarksHandler::QueryInitialBookmarks() {
-  DCHECK(AreModelsLoaded());
-  base::DictionaryValue result;
-  PopulateBookmarksInFolder(bookmark_model_->mobile_node(), &result);
-  SendResult(result);
-}
-
-void BookmarksHandler::SendResult(const base::DictionaryValue& result) {
-  web_ui()->CallJavascriptFunction("ntp.bookmarks", result);
-}
-
-void BookmarksHandler::BookmarkModelLoaded(BookmarkModel* model,
-                                           bool ids_reassigned) {
-  if (AreModelsLoaded())
-    BookmarkModelChanged();
-}
-
-void BookmarksHandler::PartnerShimChanged(PartnerBookmarksShim* shim) {
-  if (AreModelsLoaded())
-    BookmarkModelChanged();
-}
-
-void BookmarksHandler::PartnerShimLoaded(PartnerBookmarksShim* shim) {
-  if (AreModelsLoaded())
-    BookmarkModelChanged();
-}
-
-void BookmarksHandler::ShimBeingDeleted(PartnerBookmarksShim* shim) {
-  partner_bookmarks_shim_ = NULL;
-}
-
-void BookmarksHandler::OnManagedBookmarksChanged() {
-  if (AreModelsLoaded())
-    BookmarkModelChanged();
-}
-
-void BookmarksHandler::ExtensiveBookmarkChangesBeginning(BookmarkModel* model) {
-  extensive_changes_ = true;
-}
-
-void BookmarksHandler::ExtensiveBookmarkChangesEnded(BookmarkModel* model) {
-  extensive_changes_ = false;
-  if (AreModelsLoaded())
-    BookmarkModelChanged();
-}
-
-void BookmarksHandler::BookmarkNodeRemoved(BookmarkModel* model,
-                                           const BookmarkNode* parent,
-                                           int old_index,
-                                           const BookmarkNode* node) {
-  if (!AreModelsLoaded())
-    return;
-
-  base::DictionaryValue result;
-  SetParentInBookmarksResult(parent, &result);
-  result.SetString(kNodeIdParam, Int64ToString(node->id()));
-  NotifyModelChanged(result);
-}
-
-void BookmarksHandler::BookmarkAllNodesRemoved(BookmarkModel* model) {
-  if (!AreModelsLoaded())
-    return;
-
-  if (bookmark_data_requested_ && !extensive_changes_)
-    web_ui()->CallJavascriptFunction("ntp.bookmarkChanged");
-}
-
-void BookmarksHandler::BookmarkNodeAdded(
-    BookmarkModel* model, const BookmarkNode* parent, int index) {
-  if (!AreModelsLoaded())
-    return;
-
-  base::DictionaryValue result;
-  SetParentInBookmarksResult(parent, &result);
-  NotifyModelChanged(result);
-}
-
-void BookmarksHandler::BookmarkNodeChanged(BookmarkModel* model,
-                                           const BookmarkNode* node) {
-  if (!AreModelsLoaded())
-    return;
-
-  DCHECK(!partner_bookmarks_shim_->IsPartnerBookmark(node));
-  base::DictionaryValue result;
-  SetParentInBookmarksResult(node->parent(), &result);
-  result.SetString(kNodeIdParam, Int64ToString(node->id()));
-  NotifyModelChanged(result);
-}
-
-void BookmarksHandler::BookmarkModelChanged() {
-  if (!AreModelsLoaded())
-    return;
-
-  if (bookmark_data_requested_ && !extensive_changes_)
-    web_ui()->CallJavascriptFunction("ntp.bookmarkChanged");
-}
-
-void BookmarksHandler::HandleCreateHomeScreenBookmarkShortcut(
-    const base::ListValue* args) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  if (!AreModelsLoaded())
-    return;
-
-  Profile* profile = Profile::FromBrowserContext(
-      web_ui()->GetWebContents()->GetBrowserContext());
-  if (!profile)
-    return;
-
-  const BookmarkNode* node = GetNodeByID(args);
-  if (!node)
-    return;
-
-  FaviconService* favicon_service = FaviconServiceFactory::GetForProfile(
-      profile, Profile::EXPLICIT_ACCESS);
-  favicon_service->GetRawFaviconForURL(
-      FaviconService::FaviconForURLParams(node->url(),
-                                          favicon_base::TOUCH_PRECOMPOSED_ICON |
-                                              favicon_base::TOUCH_ICON |
-                                              favicon_base::FAVICON,
-                                          0),  // request the largest icon.
-      ui::SCALE_FACTOR_100P,  // density doesn't matter for the largest icon.
-      base::Bind(&BookmarksHandler::OnShortcutFaviconDataAvailable,
-                 base::Unretained(this),
-                 node),
-      &cancelable_task_tracker_);
-}
-
-void BookmarksHandler::OnShortcutFaviconDataAvailable(
-    const BookmarkNode* node,
-    const favicon_base::FaviconBitmapResult& bitmap_result) {
-  if (!AreModelsLoaded())
-    return;
-
-  SkColor color = SK_ColorWHITE;
-  SkBitmap favicon_bitmap;
-  if (bitmap_result.is_valid()) {
-    color = GetDominantColorForFavicon(bitmap_result.bitmap_data);
-    gfx::PNGCodec::Decode(bitmap_result.bitmap_data->front(),
-                          bitmap_result.bitmap_data->size(),
-                          &favicon_bitmap);
-  }
-  TabAndroid* tab = TabAndroid::FromWebContents(web_ui()->GetWebContents());
-  if (tab) {
-    tab->AddShortcutToBookmark(node->url(),
-                               GetTitle(node),
-                               favicon_bitmap, SkColorGetR(color),
-                               SkColorGetG(color), SkColorGetB(color));
-  }
-}
-
-const BookmarkNode* BookmarksHandler::GetNodeByID(
-    const base::ListValue* args) const {
-  DCHECK(AreModelsLoaded());
-
-  // Parses a bookmark ID passed back from the NTP.  The IDs differ from the
-  // normal int64 bookmark ID because we prepend a "p" if the ID represents a
-  // partner bookmark, and an "m" if the ID represents a managed bookmark.
-
-  if (!args || args->empty())
-    return NULL;
-
-  std::string string_id;
-  if (!args->GetString(0, &string_id) || string_id.empty()) {
-    NOTREACHED();
-    return NULL;
-  }
-
-  bool is_partner = string_id[0] == 'p';
-  bool is_managed = string_id[0] == 'm';
-
-  if (is_partner || is_managed)
-    string_id = string_id.substr(1);
-
-  int64 id = 0;
-  if (!base::StringToInt64(string_id, &id)) {
-    NOTREACHED();
-    return NULL;
-  }
-
-  if (is_managed)
-    return managed_bookmarks_shim_->GetNodeByID(id);
-
-  if (is_partner)
-    return partner_bookmarks_shim_->GetNodeByID(id);
-
-  return GetBookmarkNodeByID(bookmark_model_, id);
-}
-
-const BookmarkNode* BookmarksHandler::GetParentOf(
-    const BookmarkNode* node) const {
-  DCHECK(AreModelsLoaded());
-  if (node == managed_bookmarks_shim_->GetManagedBookmarksRoot() ||
-      node == partner_bookmarks_shim_->GetPartnerBookmarksRoot()) {
-    return bookmark_model_->mobile_node();
-  }
-
-  return node->parent();
-}
-
-base::string16 BookmarksHandler::GetTitle(const BookmarkNode* node) const {
-  DCHECK(AreModelsLoaded());
-  if (partner_bookmarks_shim_->IsPartnerBookmark(node))
-    return partner_bookmarks_shim_->GetTitle(node);
-
-  return node->GetTitle();
-}
-
-bool BookmarksHandler::IsReachable(const BookmarkNode* node) const {
-  DCHECK(AreModelsLoaded());
-  if (!partner_bookmarks_shim_->IsPartnerBookmark(node))
-    return true;
-
-  return partner_bookmarks_shim_->IsReachable(node);
-}
-
-bool BookmarksHandler::IsEditable(const BookmarkNode* node) const {
-  DCHECK(AreModelsLoaded());
-
-  // Reserved system nodes and managed bookmarks are not editable.
-  // Additionally, bookmark editing may be completely disabled
-  // via a managed preference.
-  if (!node ||
-      (node->type() != BookmarkNode::FOLDER &&
-          node->type() != BookmarkNode::URL)) {
-    return false;
-  }
-
-  const PrefService* pref = Profile::FromBrowserContext(
-      web_ui()->GetWebContents()->GetBrowserContext())->GetPrefs();
-  if (!pref->GetBoolean(prefs::kEditBookmarksEnabled))
-    return false;
-
-  if (partner_bookmarks_shim_->IsPartnerBookmark(node))
-    return true;
-
-  return !managed_bookmarks_shim_->IsManagedBookmark(node);
-}
-
-bool BookmarksHandler::IsRoot(const BookmarkNode* node) const {
-  DCHECK(AreModelsLoaded());
-
-  return node->is_root() &&
-         node != partner_bookmarks_shim_->GetPartnerBookmarksRoot() &&
-         node != managed_bookmarks_shim_->GetManagedBookmarksRoot();
-}