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// vim:expandtab:shiftwidth=2:tabstop=2:
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// Copyright (C) 2013 Canonical Ltd.
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#include "oxide_web_preferences_observer.h"
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#include "base/logging.h"
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#include "oxide_web_preferences.h"
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void WebPreferencesObserver::OnWebPreferencesDestruction() {
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DCHECK(web_preferences_);
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web_preferences_ = NULL;
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WebPreferencesDestroyed();
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WebPreferencesObserver::WebPreferencesObserver() :
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web_preferences_(NULL) {}
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void WebPreferencesObserver::Observe(WebPreferences* preferences) {
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if (web_preferences_ == preferences) {
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if (web_preferences_) {
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web_preferences_->RemoveObserver(this);
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web_preferences_ = preferences;
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if (web_preferences_) {
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web_preferences_->AddObserver(this);
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WebPreferencesObserver::~WebPreferencesObserver() {
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if (web_preferences_) {
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web_preferences_->RemoveObserver(this);
added
removed
shared/browser/oxide_web_preferences_observer.cc
