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// 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/bookmarks/bookmark_tab_helper.h"
#include "chrome/browser/bookmarks/bookmark_model_factory.h"
#include "chrome/browser/defaults.h"
#include "chrome/browser/prefs/pref_service_syncable.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/search/search.h"
#include "chrome/browser/ui/bookmarks/bookmark_tab_helper_delegate.h"
#include "chrome/browser/ui/bookmarks/bookmark_utils.h"
#include "chrome/browser/ui/sad_tab.h"
#include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
#include "chrome/common/pref_names.h"
#include "components/bookmarks/browser/bookmark_model.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/web_contents.h"
namespace {
bool IsNTPWebUI(content::WebContents* web_contents) {
content::WebUI* web_ui = NULL;
// Use the committed entry so the bookmarks bar disappears at the same time
// the page does.
if (web_contents->GetController().GetLastCommittedEntry())
web_ui = web_contents->GetCommittedWebUI();
else
web_ui = web_contents->GetWebUI();
return web_ui && NewTabUI::FromWebUIController(web_ui->GetController());
}
bool IsInstantNTP(content::WebContents* web_contents) {
// Use the committed entry so the bookmarks bar disappears at the same time
// the page does.
const content::NavigationEntry* entry =
web_contents->GetController().GetLastCommittedEntry();
if (!entry)
entry = web_contents->GetController().GetVisibleEntry();
return chrome::NavEntryIsInstantNTP(web_contents, entry);
}
} // namespace
DEFINE_WEB_CONTENTS_USER_DATA_KEY(BookmarkTabHelper);
BookmarkTabHelper::~BookmarkTabHelper() {
if (bookmark_model_)
bookmark_model_->RemoveObserver(this);
}
bool BookmarkTabHelper::ShouldShowBookmarkBar() const {
if (web_contents()->ShowingInterstitialPage())
return false;
if (chrome::SadTab::ShouldShow(web_contents()->GetCrashedStatus()))
return false;
if (!browser_defaults::bookmarks_enabled)
return false;
Profile* profile =
Profile::FromBrowserContext(web_contents()->GetBrowserContext());
#if !defined(OS_CHROMEOS)
if (profile->IsGuestSession())
return false;
#endif
PrefService* prefs = profile->GetPrefs();
if (prefs->IsManagedPreference(prefs::kShowBookmarkBar) &&
!prefs->GetBoolean(prefs::kShowBookmarkBar))
return false;
return IsNTPWebUI(web_contents()) || IsInstantNTP(web_contents());
}
BookmarkTabHelper::BookmarkTabHelper(content::WebContents* web_contents)
: content::WebContentsObserver(web_contents),
is_starred_(false),
bookmark_model_(NULL),
delegate_(NULL),
bookmark_drag_(NULL) {
Profile* profile =
Profile::FromBrowserContext(web_contents->GetBrowserContext());
bookmark_model_= BookmarkModelFactory::GetForProfile(profile);
if (bookmark_model_)
bookmark_model_->AddObserver(this);
}
void BookmarkTabHelper::UpdateStarredStateForCurrentURL() {
const bool old_state = is_starred_;
is_starred_ = (bookmark_model_ &&
bookmark_model_->IsBookmarked(chrome::GetURLToBookmark(web_contents())));
if (is_starred_ != old_state && delegate_)
delegate_->URLStarredChanged(web_contents(), is_starred_);
}
void BookmarkTabHelper::BookmarkModelChanged() {
}
void BookmarkTabHelper::BookmarkModelLoaded(BookmarkModel* model,
bool ids_reassigned) {
UpdateStarredStateForCurrentURL();
}
void BookmarkTabHelper::BookmarkNodeAdded(BookmarkModel* model,
const BookmarkNode* parent,
int index) {
UpdateStarredStateForCurrentURL();
}
void BookmarkTabHelper::BookmarkNodeRemoved(
BookmarkModel* model,
const BookmarkNode* parent,
int old_index,
const BookmarkNode* node,
const std::set<GURL>& removed_urls) {
UpdateStarredStateForCurrentURL();
}
void BookmarkTabHelper::BookmarkAllUserNodesRemoved(
BookmarkModel* model,
const std::set<GURL>& removed_urls) {
UpdateStarredStateForCurrentURL();
}
void BookmarkTabHelper::BookmarkNodeChanged(BookmarkModel* model,
const BookmarkNode* node) {
UpdateStarredStateForCurrentURL();
}
void BookmarkTabHelper::DidNavigateMainFrame(
const content::LoadCommittedDetails& /*details*/,
const content::FrameNavigateParams& /*params*/) {
UpdateStarredStateForCurrentURL();
}
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