1 files changed, 132 insertions, 0 deletions
diff --git a/comm/mail/components/preferences/downloads.js b/comm/mail/components/preferences/downloads.js
new file mode 100644
index 0000000000..ede1543492
--- /dev/null
+++ b/comm/mail/components/preferences/downloads.js
@@ -0,0 +1,132 @@
+/* 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/. */
+
+/* import-globals-from preferences.js */
+
+var { Downloads } = ChromeUtils.importESModule(
+  "resource://gre/modules/Downloads.sys.mjs"
+);
+var { FileUtils } = ChromeUtils.importESModule(
+  "resource://gre/modules/FileUtils.sys.mjs"
+);
+
+Preferences.addAll([
+  { id: "browser.download.useDownloadDir", type: "bool" },
+  { id: "browser.download.folderList", type: "int" },
+  { id: "browser.download.downloadDir", type: "file" },
+  { id: "browser.download.dir", type: "file" },
+  { id: "pref.downloads.disable_button.edit_actions", type: "bool" },
+]);
+
+var gDownloadDirSection = {
+  async chooseFolder() {
+    var fp = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
+    var bundlePreferences = document.getElementById("bundlePreferences");
+    var title = bundlePreferences.getString("chooseAttachmentsFolderTitle");
+    fp.init(window, title, Ci.nsIFilePicker.modeGetFolder);
+
+    var customDirPref = Preferences.get("browser.download.dir");
+    if (customDirPref.value) {
+      fp.displayDirectory = customDirPref.value;
+    }
+    fp.appendFilters(Ci.nsIFilePicker.filterAll);
+
+    let rv = await new Promise(resolve => fp.open(resolve));
+    if (rv != Ci.nsIFilePicker.returnOK || !fp.file) {
+      return;
+    }
+
+    let file = fp.file.QueryInterface(Ci.nsIFile);
+    let currentDirPref = Preferences.get("browser.download.downloadDir");
+    customDirPref.value = currentDirPref.value = file;
+    let folderListPref = Preferences.get("browser.download.folderList");
+    folderListPref.value = await this._fileToIndex(file);
+  },
+
+  onReadUseDownloadDir() {
+    this.readDownloadDirPref();
+    var downloadFolder = document.getElementById("downloadFolder");
+    var chooseFolder = document.getElementById("chooseFolder");
+    var preference = Preferences.get("browser.download.useDownloadDir");
+    var dirPreference = Preferences.get("browser.download.dir");
+    downloadFolder.disabled = !preference.value || dirPreference.locked;
+    chooseFolder.disabled = !preference.value || dirPreference.locked;
+    return undefined;
+  },
+
+  async _fileToIndex(aFile) {
+    if (!aFile || aFile.equals(await this._getDownloadsFolder("Desktop"))) {
+      return 0;
+    } else if (aFile.equals(await this._getDownloadsFolder("Downloads"))) {
+      return 1;
+    }
+    return 2;
+  },
+
+  async _indexToFile(aIndex) {
+    switch (aIndex) {
+      case 0:
+        return this._getDownloadsFolder("Desktop");
+      case 1:
+        return this._getDownloadsFolder("Downloads");
+    }
+    var customDirPref = Preferences.get("browser.download.dir");
+    return customDirPref.value;
+  },
+
+  async _getDownloadsFolder(aFolder) {
+    switch (aFolder) {
+      case "Desktop":
+        return Services.dirsvc.get("Desk", Ci.nsIFile);
+      case "Downloads":
+        let downloadsDir = await Downloads.getSystemDownloadsDirectory();
+        return new FileUtils.File(downloadsDir);
+    }
+    throw new Error(
+      "ASSERTION FAILED: folder type should be 'Desktop' or 'Downloads'"
+    );
+  },
+
+  async readDownloadDirPref() {
+    var folderListPref = Preferences.get("browser.download.folderList");
+    var bundlePreferences = document.getElementById("bundlePreferences");
+    var downloadFolder = document.getElementById("downloadFolder");
+
+    var customDirPref = Preferences.get("browser.download.dir");
+    var customIndex = customDirPref.value
+      ? await this._fileToIndex(customDirPref.value)
+      : 0;
+    if (customIndex == 0) {
+      downloadFolder.value = bundlePreferences.getString("desktopFolderName");
+    } else if (customIndex == 1) {
+      downloadFolder.value = bundlePreferences.getString(
+        "myDownloadsFolderName"
+      );
+    } else {
+      downloadFolder.value = customDirPref.value
+        ? customDirPref.value.path
+        : "";
+    }
+
+    var currentDirPref = Preferences.get("browser.download.downloadDir");
+    var downloadDir =
+      currentDirPref.value || (await this._indexToFile(folderListPref.value));
+    if (downloadDir) {
+      let urlSpec = Services.io
+        .getProtocolHandler("file")
+        .QueryInterface(Ci.nsIFileProtocolHandler)
+        .getURLSpecFromDir(downloadDir);
+
+      downloadFolder.style.backgroundImage =
+        "url(moz-icon://" + urlSpec + "?size=16)";
+    }
+
+    return undefined;
+  },
+};
+
+Preferences.get("browser.download.dir").on(
+  "change",
+  gDownloadDirSection.readDownloadDirPref.bind(gDownloadDirSection)
+);