/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.mozilla.fenix.components.toolbar

import mozilla.components.browser.session.SelectionAwareSessionObserver
import mozilla.components.browser.session.Session
import mozilla.components.browser.session.SessionManager
import mozilla.components.browser.toolbar.BrowserToolbar

class MenuPresenter(
    private val menuToolbar: BrowserToolbar,
    sessionManager: SessionManager,
    private val sessionId: String? = null
) : SelectionAwareSessionObserver(sessionManager) {

    fun start() {
        observeIdOrSelected(sessionId)
    }

    /** Redraw the refresh/stop button */
    override fun onLoadingStateChanged(session: Session, loading: Boolean) {
        menuToolbar.invalidateActions()
    }

    /** Redraw the back and forward buttons */
    override fun onNavigationStateChanged(session: Session, canGoBack: Boolean, canGoForward: Boolean) {
        menuToolbar.invalidateActions()
    }
}