chrome/browser/android/bookmarks/bookmarks

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This source file includes following definitions.
partner_bookmarks_shim_
Destroy
RegisterBookmarksBridge
Init
IsEditBookmarksEnabled
IsEditBookmarksEnabled
GetBookmarksForFolder
GetCurrentFolderHierarchy
DeleteBookmark
MoveBookmark
CreateJavaBookmark
ExtractBookmarkNodeInformation
GetNodeByID
GetFolderWithFallback
IsEditable
GetParentNode
GetBookmarkType
GetTitle
IsReachable
IsLoaded
IsFolderAvailable
NotifyIfDoneLoading
BookmarkModelChanged
BookmarkModelLoaded
BookmarkModelBeingDeleted
BookmarkNodeMoved
BookmarkNodeAdded
BookmarkNodeRemoved
BookmarkNodeChanged
BookmarkNodeChildrenReordered
ExtensiveBookmarkChangesBeginning
ExtensiveBookmarkChangesEnded
OnManagedBookmarksChanged
PartnerShimChanged
PartnerShimLoaded
ShimBeingDeleted
// Copyright 2013 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/android/bookmarks/bookmarks_bridge.h"

#include "base/android/jni_string.h"
#include "base/prefs/pref_service.h"
#include "chrome/browser/bookmarks/bookmark_model.h"
#include "chrome/browser/bookmarks/bookmark_model_factory.h"
#include "chrome/browser/profiles/incognito_helpers.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_android.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/signin/signin_manager_factory.h"
#include "chrome/common/pref_names.h"
#include "components/signin/core/browser/signin_manager.h"
#include "content/public/browser/browser_thread.h"
#include "jni/BookmarksBridge_jni.h"

using base::android::AttachCurrentThread;
using base::android::ConvertUTF8ToJavaString;
using base::android::ConvertUTF16ToJavaString;
using base::android::ScopedJavaLocalRef;
using base::android::ScopedJavaGlobalRef;
using content::BrowserThread;

// Should mirror constants in BookmarkBridge.java
static const int kBookmarkTypeNormal = 0;
static const int kBookmarkTypeManaged = 1;
static const int kBookmarkTypePartner = 2;

BookmarksBridge::BookmarksBridge(JNIEnv* env,
                                 jobject obj,
                                 jobject j_profile)
    : weak_java_ref_(env, obj),
      bookmark_model_(NULL),
      partner_bookmarks_shim_(NULL) {
  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  profile_ = ProfileAndroid::FromProfileAndroid(j_profile);
  bookmark_model_ = BookmarkModelFactory::GetForProfile(profile_);

  // Registers the notifications we are interested.
  bookmark_model_->AddObserver(this);

  // Create the partner Bookmarks shim as early as possible (but don't attach).
  partner_bookmarks_shim_ = PartnerBookmarksShim::BuildForBrowserContext(
      chrome::GetBrowserContextRedirectedInIncognito(profile_));
  partner_bookmarks_shim_->AddObserver(this);

  managed_bookmarks_shim_.reset(new ManagedBookmarksShim(profile_->GetPrefs()));
  managed_bookmarks_shim_->AddObserver(this);

  NotifyIfDoneLoading();

  // 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.
  if (bookmark_model_->IsDoingExtensiveChanges())
    ExtensiveBookmarkChangesBeginning(bookmark_model_);
}

BookmarksBridge::~BookmarksBridge() {
  bookmark_model_->RemoveObserver(this);
  if (partner_bookmarks_shim_)
    partner_bookmarks_shim_->RemoveObserver(this);
  if (managed_bookmarks_shim_)
    managed_bookmarks_shim_->RemoveObserver(this);
}

void BookmarksBridge::Destroy(JNIEnv*, jobject) {
  delete this;
}

// static
bool BookmarksBridge::RegisterBookmarksBridge(JNIEnv* env) {
  return RegisterNativesImpl(env);
}

static jlong Init(JNIEnv* env, jobject obj, jobject j_profile) {
  BookmarksBridge* delegate = new BookmarksBridge(env, obj, j_profile);
  return reinterpret_cast<intptr_t>(delegate);
}

static bool IsEditBookmarksEnabled() {
  return ProfileManager::GetLastUsedProfile()->GetPrefs()->GetBoolean(
      prefs::kEditBookmarksEnabled);
}

static jboolean IsEditBookmarksEnabled(JNIEnv* env, jclass clazz) {
  return IsEditBookmarksEnabled();
}

void BookmarksBridge::GetBookmarksForFolder(JNIEnv* env,
                                            jobject obj,
                                            jobject j_folder_id_obj,
                                            jobject j_callback_obj,
                                            jobject j_result_obj) {
  DCHECK(IsLoaded());
  long folder_id = Java_BookmarkId_getId(env, j_folder_id_obj);
  int type = Java_BookmarkId_getType(env, j_folder_id_obj);
  const BookmarkNode* folder = GetFolderWithFallback(folder_id, type);

  if (!folder->is_folder() || !IsReachable(folder))
    return;

  // Recreate the java bookmarkId object due to fallback.
  ScopedJavaLocalRef<jobject> folder_id_obj =
      Java_BookmarksBridge_createBookmarkId(
          env, folder->id(), GetBookmarkType(folder));
  j_folder_id_obj = folder_id_obj.obj();

  // If this is the Mobile bookmarks folder then add the "Managed bookmarks"
  // folder first, so that it's the first entry.
  if (folder == bookmark_model_->mobile_node() &&
      managed_bookmarks_shim_->HasManagedBookmarks()) {
    ExtractBookmarkNodeInformation(
        managed_bookmarks_shim_->GetManagedBookmarksRoot(),
        j_result_obj);
  }
  // Get the folder contents
  for (int i = 0; i < folder->child_count(); ++i) {
    const BookmarkNode* node = folder->GetChild(i);
    if (!IsFolderAvailable(node))
      continue;
    ExtractBookmarkNodeInformation(node, j_result_obj);
  }

  if (folder == bookmark_model_->mobile_node() &&
      partner_bookmarks_shim_->HasPartnerBookmarks()) {
    ExtractBookmarkNodeInformation(
        partner_bookmarks_shim_->GetPartnerBookmarksRoot(),
        j_result_obj);
  }

  Java_BookmarksCallback_onBookmarksAvailable(
      env, j_callback_obj, j_folder_id_obj, j_result_obj);
}

void BookmarksBridge::GetCurrentFolderHierarchy(JNIEnv* env,
                                                jobject obj,
                                                jobject j_folder_id_obj,
                                                jobject j_callback_obj,
                                                jobject j_result_obj) {
  DCHECK(IsLoaded());
  long folder_id = Java_BookmarkId_getId(env, j_folder_id_obj);
  int type = Java_BookmarkId_getType(env, j_folder_id_obj);
  const BookmarkNode* folder = GetFolderWithFallback(folder_id, type);

  if (!folder->is_folder() || !IsReachable(folder))
    return;

  // Recreate the java bookmarkId object due to fallback.
  ScopedJavaLocalRef<jobject> folder_id_obj =
      Java_BookmarksBridge_createBookmarkId(
          env, folder->id(), GetBookmarkType(folder));
  j_folder_id_obj = folder_id_obj.obj();

  // Get the folder heirarchy
  const BookmarkNode* node = folder;
  while (node) {
    ExtractBookmarkNodeInformation(node, j_result_obj);
    node = GetParentNode(node);
  }

  Java_BookmarksCallback_onBookmarksFolderHierarchyAvailable(
      env, j_callback_obj, j_folder_id_obj, j_result_obj);
}

void BookmarksBridge::DeleteBookmark(JNIEnv* env,
                                     jobject obj,
                                     jobject j_bookmark_id_obj) {
  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  DCHECK(IsLoaded());

  long bookmark_id = Java_BookmarkId_getId(env, j_bookmark_id_obj);
  int type = Java_BookmarkId_getType(env, j_bookmark_id_obj);
  const BookmarkNode* node = GetNodeByID(bookmark_id, type);
  if (!IsEditable(node)) {
    NOTREACHED();
    return;
  }

  if (partner_bookmarks_shim_->IsPartnerBookmark(node)) {
    partner_bookmarks_shim_->RemoveBookmark(node);
  } else {
    const BookmarkNode* parent_node = GetParentNode(node);
    bookmark_model_->Remove(parent_node, parent_node->GetIndexOf(node));
  }
}

void BookmarksBridge::MoveBookmark(JNIEnv* env,
                                   jobject obj,
                                   jobject j_bookmark_id_obj,
                                   jobject j_parent_id_obj,
                                   jint index) {
  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  DCHECK(IsLoaded());

  long bookmark_id = Java_BookmarkId_getId(env, j_bookmark_id_obj);
  int type = Java_BookmarkId_getType(env, j_bookmark_id_obj);
  const BookmarkNode* node = GetNodeByID(bookmark_id, type);
  if (!IsEditable(node)) {
    NOTREACHED();
    return;
  }
  bookmark_id = Java_BookmarkId_getId(env, j_parent_id_obj);
  type = Java_BookmarkId_getType(env, j_parent_id_obj);
  const BookmarkNode* new_parent_node = GetNodeByID(bookmark_id, type);
  bookmark_model_->Move(node, new_parent_node, index);
}

ScopedJavaLocalRef<jobject> BookmarksBridge::CreateJavaBookmark(
    const BookmarkNode* node) {
  JNIEnv* env = AttachCurrentThread();

  const BookmarkNode* parent = GetParentNode(node);
  int64 parent_id = parent ? parent->id() : -1;

  std::string url;
  if (node->is_url())
    url = node->url().spec();

  return Java_BookmarksBridge_createBookmarkItem(
      env,
      node->id(),
      GetBookmarkType(node),
      ConvertUTF16ToJavaString(env, GetTitle(node)).obj(),
      ConvertUTF8ToJavaString(env, url).obj(),
      node->is_folder(),
      parent_id,
      GetBookmarkType(parent),
      IsEditable(node));
}

void BookmarksBridge::ExtractBookmarkNodeInformation(
    const BookmarkNode* node,
    jobject j_result_obj) {
  JNIEnv* env = AttachCurrentThread();
  if (!IsReachable(node))
    return;
  Java_BookmarksBridge_addToList(
      env,
      j_result_obj,
      CreateJavaBookmark(node).obj());
}

const BookmarkNode* BookmarksBridge::GetNodeByID(long node_id,
                                                 int type) {
  const BookmarkNode* node;
  if (type == kBookmarkTypeManaged) {
    node = managed_bookmarks_shim_->GetNodeByID(
        static_cast<int64>(node_id));
  } else if (type == kBookmarkTypePartner) {
    node = partner_bookmarks_shim_->GetNodeByID(
        static_cast<int64>(node_id));
  } else {
    node = bookmark_model_->GetNodeByID(static_cast<int64>(node_id));
  }
  return node;
}

const BookmarkNode* BookmarksBridge::GetFolderWithFallback(
    long folder_id, int type) {
  const BookmarkNode* folder = GetNodeByID(folder_id, type);
  if (!folder || folder->type() == BookmarkNode::URL ||
      !IsFolderAvailable(folder)) {
    folder = bookmark_model_->mobile_node();
  }
  return folder;
}

bool BookmarksBridge::IsEditable(const BookmarkNode* node) const {
  if (!node || (node->type() != BookmarkNode::FOLDER &&
      node->type() != BookmarkNode::URL)) {
    return false;
  }
  if (!IsEditBookmarksEnabled())
    return false;
  if (partner_bookmarks_shim_->IsPartnerBookmark(node))
    return partner_bookmarks_shim_->IsEditable(node);
  return !managed_bookmarks_shim_->IsManagedBookmark(node);
}

const BookmarkNode* BookmarksBridge::GetParentNode(const BookmarkNode* node) {
  DCHECK(IsLoaded());
  if (node == managed_bookmarks_shim_->GetManagedBookmarksRoot() ||
      node == partner_bookmarks_shim_->GetPartnerBookmarksRoot()) {
    return bookmark_model_->mobile_node();
  } else {
    return node->parent();
  }
}

int BookmarksBridge::GetBookmarkType(const BookmarkNode* node) {
  if (managed_bookmarks_shim_->IsManagedBookmark(node))
    return kBookmarkTypeManaged;
  else if (partner_bookmarks_shim_->IsPartnerBookmark(node))
    return kBookmarkTypePartner;
  else
    return kBookmarkTypeNormal;
}

base::string16 BookmarksBridge::GetTitle(const BookmarkNode* node) const {
  if (partner_bookmarks_shim_->IsPartnerBookmark(node))
    return partner_bookmarks_shim_->GetTitle(node);
  return node->GetTitle();
}

bool BookmarksBridge::IsReachable(const BookmarkNode* node) const {
  if (!partner_bookmarks_shim_->IsPartnerBookmark(node))
    return true;
  return partner_bookmarks_shim_->IsReachable(node);
}

bool BookmarksBridge::IsLoaded() const {
  return (bookmark_model_->loaded() && partner_bookmarks_shim_->IsLoaded());
}

bool BookmarksBridge::IsFolderAvailable(
    const BookmarkNode* folder) const {
  SigninManager* signin = SigninManagerFactory::GetForProfile(
      profile_->GetOriginalProfile());
  return (folder->type() != BookmarkNode::BOOKMARK_BAR &&
      folder->type() != BookmarkNode::OTHER_NODE) ||
      (signin && !signin->GetAuthenticatedUsername().empty());
}

void BookmarksBridge::NotifyIfDoneLoading() {
  if (!IsLoaded())
    return;
  JNIEnv* env = AttachCurrentThread();
  ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
  if (obj.is_null())
    return;
  Java_BookmarksBridge_bookmarkModelLoaded(env, obj.obj());
}

// ------------- Observer-related methods ------------- //

void BookmarksBridge::BookmarkModelChanged() {
  if (!IsLoaded())
    return;

  // Called when there are changes to the bookmark model. It is most
  // likely changes to either managed or partner bookmarks.
  JNIEnv* env = AttachCurrentThread();
  ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
  if (obj.is_null())
    return;
  Java_BookmarksBridge_bookmarkModelChanged(env, obj.obj());
}

void BookmarksBridge::BookmarkModelLoaded(BookmarkModel* model,
                                          bool ids_reassigned) {
  NotifyIfDoneLoading();
}

void BookmarksBridge::BookmarkModelBeingDeleted(BookmarkModel* model) {
  if (!IsLoaded())
    return;

  JNIEnv* env = AttachCurrentThread();
  ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
  if (obj.is_null())
    return;
  Java_BookmarksBridge_bookmarkModelDeleted(env, obj.obj());
}

void BookmarksBridge::BookmarkNodeMoved(BookmarkModel* model,
                                        const BookmarkNode* old_parent,
                                        int old_index,
                                        const BookmarkNode* new_parent,
                                        int new_index) {
  if (!IsLoaded())
    return;

  JNIEnv* env = AttachCurrentThread();
  ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
  if (obj.is_null())
    return;
  Java_BookmarksBridge_bookmarkNodeMoved(
      env,
      obj.obj(),
      CreateJavaBookmark(old_parent).obj(),
      old_index,
      CreateJavaBookmark(new_parent).obj(),
      new_index);
}

void BookmarksBridge::BookmarkNodeAdded(BookmarkModel* model,
                                        const BookmarkNode* parent,
                                        int index) {
  if (!IsLoaded())
    return;

  JNIEnv* env = AttachCurrentThread();
  ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
  if (obj.is_null())
    return;
  Java_BookmarksBridge_bookmarkNodeAdded(
      env,
      obj.obj(),
      CreateJavaBookmark(parent).obj(),
      index);
}

void BookmarksBridge::BookmarkNodeRemoved(BookmarkModel* model,
                                          const BookmarkNode* parent,
                                          int old_index,
                                          const BookmarkNode* node) {
  if (!IsLoaded())
    return;

  JNIEnv* env = AttachCurrentThread();
  ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
  if (obj.is_null())
    return;
  Java_BookmarksBridge_bookmarkNodeRemoved(
      env,
      obj.obj(),
      CreateJavaBookmark(parent).obj(),
      old_index,
      CreateJavaBookmark(node).obj());
}

void BookmarksBridge::BookmarkNodeChanged(BookmarkModel* model,
                                          const BookmarkNode* node) {
  if (!IsLoaded())
    return;

  JNIEnv* env = AttachCurrentThread();
  ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
  if (obj.is_null())
    return;
  Java_BookmarksBridge_bookmarkNodeChanged(
      env,
      obj.obj(),
      CreateJavaBookmark(node).obj());
}

void BookmarksBridge::BookmarkNodeChildrenReordered(BookmarkModel* model,
                                                    const BookmarkNode* node) {
  if (!IsLoaded())
    return;

  JNIEnv* env = AttachCurrentThread();
  ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
  if (obj.is_null())
    return;
  Java_BookmarksBridge_bookmarkNodeChildrenReordered(
      env,
      obj.obj(),
      CreateJavaBookmark(node).obj());
}

void BookmarksBridge::ExtensiveBookmarkChangesBeginning(BookmarkModel* model) {
  if (!IsLoaded())
    return;

  JNIEnv* env = AttachCurrentThread();
  ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
  if (obj.is_null())
    return;
  Java_BookmarksBridge_extensiveBookmarkChangesBeginning(env, obj.obj());
}

void BookmarksBridge::ExtensiveBookmarkChangesEnded(BookmarkModel* model) {
  if (!IsLoaded())
    return;

  JNIEnv* env = AttachCurrentThread();
  ScopedJavaLocalRef<jobject> obj = weak_java_ref_.get(env);
  if (obj.is_null())
    return;
  Java_BookmarksBridge_extensiveBookmarkChangesEnded(env, obj.obj());
}

void BookmarksBridge::OnManagedBookmarksChanged() {
  if (!IsLoaded())
    return;

  BookmarkModelChanged();
}

void BookmarksBridge::PartnerShimChanged(PartnerBookmarksShim* shim) {
  if (!IsLoaded())
    return;

  BookmarkModelChanged();
}

void BookmarksBridge::PartnerShimLoaded(PartnerBookmarksShim* shim) {
  NotifyIfDoneLoading();
}

void BookmarksBridge::ShimBeingDeleted(PartnerBookmarksShim* shim) {
  partner_bookmarks_shim_ = NULL;
}
/* [<][>][^][v][top][bottom][index][help] */
root/chrome/browser/android/bookmarks/bookmarks_bridge.cc

DEFINITIONS
