Automattic / jetpack

	protected function activate() {

		foreach ( $this->plugins as $plugin ) {

			if ( ( ! $this->network_wide && Jetpack::is_plugin_active( $plugin ) ) || is_plugin_active_for_network( $plugin ) ) {

				$this->log[ $plugin ]['error'] = __( 'The Plugin is already active.', 'jetpack' );

				$has_errors = true;

				continue;

			}

			if ( ! $this->network_wide && is_network_only_plugin( $plugin ) && is_multisite() ) {

				$this->log[ $plugin ]['error'] = __( 'Plugin can only be Network Activated', 'jetpack' );

				continue;

			}

			if ( ! $this->network_wide && is_network_only_plugin( $plugin ) && is_multisite() ) {

				$this->log[ $plugin ]['error'] = __( 'Plugin can only be Network Activated', 'jetpack' );

				$has_errors = true;

				continue;

			}

			$result = activate_plugin( $plugin, '', $this->network_wide );