Merge remote-tracking branch 'upstream/develop' into search-mobile-fixes

* upstream/develop: (176 commits)
  fix chrome
  Prevent html-minifier to remove placeholder comment in index.html template
  Add placeholder to insert server generated metatags. Related to #430
  added condition to check for logined user
  fix gradients and minor artifacts
  keep track of new instance options
  fix old MR
  oof
  get rid of slots
  fix timeago font
  added hide_network option, fixed properties naming
  Fix fetching new users, add storing local users in usersObjects with their screen_name as well as id, so that they could be fetched zero-state with screen-name link.
  improve notification subscription
  Fix typo that prevented scope copy from working.
  Refactor arrays to individual options
  Reset enableFollowsExport to true after 2 sec when an export file is available to download
  added check for activatePanel is function or not
  addressed PR comments
  activate panel on user screen click
  added not preload check so hidden toggles asap
  ...

1 files changed, 87 insertions, 0 deletions

diff --git a/src/components/export_import/export_import.vue b/src/components/export_import/export_import.vue
new file mode 100644
index 00000000..451a2668
--- /dev/null
+++ b/src/components/export_import/export_import.vue
@@ -0,0 +1,87 @@
+<template>
+<div class="import-export-container">
+  <slot name="before"/>
+  <button class="btn" @click="exportData">{{ exportLabel }}</button>
+  <button class="btn" @click="importData">{{ importLabel }}</button>
+  <slot name="afterButtons"/>
+  <p v-if="importFailed" class="alert error">{{ importFailedText }}</p>
+  <slot name="afterError"/>
+</div>
+</template>
+
+<script>
+export default {
+  props: [
+    'exportObject',
+    'importLabel',
+    'exportLabel',
+    'importFailedText',
+    'validator',
+    'onImport',
+    'onImportFailure'
+  ],
+  data () {
+    return {
+      importFailed: false
+    }
+  },
+  methods: {
+    exportData () {
+      const stringified = JSON.stringify(this.exportObject) // Pretty-print and indent with 2 spaces
+
+      // Create an invisible link with a data url and simulate a click
+      const e = document.createElement('a')
+      e.setAttribute('download', 'pleroma_theme.json')
+      e.setAttribute('href', 'data:application/json;base64,' + window.btoa(stringified))
+      e.style.display = 'none'
+
+      document.body.appendChild(e)
+      e.click()
+      document.body.removeChild(e)
+    },
+    importData () {
+      this.importFailed = false
+      const filePicker = document.createElement('input')
+      filePicker.setAttribute('type', 'file')
+      filePicker.setAttribute('accept', '.json')
+
+      filePicker.addEventListener('change', event => {
+        if (event.target.files[0]) {
+          // eslint-disable-next-line no-undef
+          const reader = new FileReader()
+          reader.onload = ({target}) => {
+            try {
+              const parsed = JSON.parse(target.result)
+              const valid = this.validator(parsed)
+              if (valid) {
+                this.onImport(parsed)
+              } else {
+                this.importFailed = true
+                // this.onImportFailure(valid)
+              }
+            } catch (e) {
+              // This will happen both if there is a JSON syntax error or the theme is missing components
+              this.importFailed = true
+              // this.onImportFailure(e)
+            }
+          }
+          reader.readAsText(event.target.files[0])
+        }
+      })
+
+      document.body.appendChild(filePicker)
+      filePicker.click()
+      document.body.removeChild(filePicker)
+    }
+  }
+}
+</script>
+
+<style lang="scss">
+.import-export-container {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: baseline;
+  justify-content: center;
+}
+</style>