NotificationBanner.vue

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 Open MCT, Copyright (c) 2014-2023, United States Government
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 Open MCT is licensed under the Apache License, Version 2.0 (the
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-->
<template>
  <div
    v-if="activeModel.message"
    class="c-message-banner"
    role="alert"
    :aria-live="activeModel.severity === 'error' ? 'assertive' : 'polite'"
    :class="[
      activeModel.severity,
      {
        minimized: activeModel.minimized,
        new: !activeModel.minimized
      }
    ]"
    @click="maximize()"
  >
    <span class="c-message-banner__message">{{ activeModel.message }}</span>
    <span
      v-if="haslink"
      class="c-message-banner__message"
      :class="[haslink ? getLinkProps.cssClass : '']"
      >{{ getLinkProps.text }}</span
    >

    <progress-bar
      v-if="activeModel.progressPerc !== null"
      class="c-message-banner__progress-bar"
      :model="activeModel"
    />
    <button
      class="c-message-banner__close-button c-click-icon icon-x-in-circle"
      aria-label="Dismiss"
      @click.stop="dismiss()"
    ></button>
  </div>
</template>

<script>
import ProgressBar from '../../components/ProgressBar.vue';

let activeNotification = undefined;
let maximizedDialog = undefined;
let minimizeButton = {
  label: 'Dismiss',
  callback: dismissMaximizedDialog
};

function dismissMaximizedDialog() {
  if (maximizedDialog) {
    maximizedDialog.dismiss();
    maximizedDialog = undefined;
  }
}

function updateMaxProgressBar(progressPerc, progressText) {
  if (maximizedDialog) {
    maximizedDialog.updateProgress(progressPerc, progressText);

    if (progressPerc >= 100) {
      dismissMaximizedDialog();
    }
  }
}

export default {
  components: {
    ProgressBar: ProgressBar
  },
  inject: ['openmct'],
  data() {
    return {
      activeModel: {
        message: undefined,
        progressPerc: undefined,
        progressText: undefined,
        minimized: undefined,
        options: undefined
      }
    };
  },
  computed: {
    haslink() {
      const options = this.activeModel.options;

      return options && options.link;
    },
    getLinkProps() {
      return this.activeModel.options.link;
    },
    progressWidth() {
      return {
        width: this.activeModel.progress + '%'
      };
    }
  },
  mounted() {
    this.openmct.notifications.on('notification', this.showNotification);
    this.openmct.notifications.on('dismiss-all', this.clearModel);
    if (this.openmct.notifications.activeNotification) {
      activeNotification = this.openmct.notifications.activeNotification;
      this.showNotification(activeNotification);
    }
  },
  methods: {
    showNotification(notification) {
      if (activeNotification) {
        activeNotification.off('progress', this.updateProgress);
        activeNotification.off('minimized', this.minimized);
        activeNotification.off('destroy', this.destroyActiveNotification);
      }

      activeNotification = notification;
      this.clearModel();
      this.applyModel(notification.model);

      activeNotification.once('destroy', this.destroyActiveNotification);
      activeNotification.on('progress', this.updateProgress);
      activeNotification.on('minimized', this.minimized);
    },
    isEqual(modelA, modelB) {
      return modelA.message === modelB.message && modelA.timestamp === modelB.timestamp;
    },
    applyModel(model) {
      Object.keys(model).forEach((key) => (this.activeModel[key] = model[key]));
    },
    clearModel() {
      Object.keys(this.activeModel).forEach((key) => (this.activeModel[key] = undefined));
    },
    updateProgress(progressPerc, progressText) {
      this.activeModel.progressPerc = progressPerc;
      this.activeModel.progressText = progressText;
    },
    destroyActiveNotification() {
      this.clearModel();
      activeNotification.off('destroy', this.destroyActiveNotification);
      activeNotification = undefined;
    },
    dismiss() {
      if (activeNotification.model.severity === 'info') {
        activeNotification.dismiss();
      } else {
        this.openmct.notifications._minimize(activeNotification);
      }
    },
    minimized() {
      this.activeModel.minimized = true;
      activeNotification.off('progress', this.updateProgress);
      activeNotification.off('minimized', this.minimized);

      activeNotification.off('progress', updateMaxProgressBar);
      activeNotification.off('minimized', dismissMaximizedDialog);
      activeNotification.off('destroy', dismissMaximizedDialog);
    },
    maximize() {
      if (this.haslink) {
        const linkProps = this.getLinkProps;
        linkProps.onClick();

        activeNotification.dismiss();

        return;
      }

      if (this.activeModel.progressPerc !== undefined) {
        maximizedDialog = this.openmct.overlays.progressDialog({
          buttons: [minimizeButton],
          ...this.activeModel
        });

        activeNotification.on('progress', updateMaxProgressBar);
        activeNotification.on('minimized', dismissMaximizedDialog);
        activeNotification.on('destroy', dismissMaximizedDialog);
      } else {
        maximizedDialog = this.openmct.overlays.dialog({
          iconClass: this.activeModel.severity,
          buttons: [minimizeButton],
          ...this.activeModel
        });
      }
    }
  }
};
</script>