Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 191 insertions, 0 deletions

diff --git a/browser/components/newtab/lib/DownloadsManager.jsm b/browser/components/newtab/lib/DownloadsManager.jsm
new file mode 100644
index 0000000000..6c7b756e0d
--- /dev/null
+++ b/browser/components/newtab/lib/DownloadsManager.jsm
@@ -0,0 +1,191 @@
+/* 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/. */
+
+const { actionTypes: at } = ChromeUtils.importESModule(
+  "resource://activity-stream/common/Actions.sys.mjs"
+);
+
+const lazy = {};
+
+ChromeUtils.defineESModuleGetters(lazy, {
+  DownloadsCommon: "resource:///modules/DownloadsCommon.sys.mjs",
+  DownloadsViewUI: "resource:///modules/DownloadsViewUI.sys.mjs",
+  FileUtils: "resource://gre/modules/FileUtils.sys.mjs",
+  NewTabUtils: "resource://gre/modules/NewTabUtils.sys.mjs",
+});
+
+const DOWNLOAD_CHANGED_DELAY_TIME = 1000; // time in ms to delay timer for downloads changed events
+
+class DownloadsManager {
+  constructor(store) {
+    this._downloadData = null;
+    this._store = null;
+    this._downloadItems = new Map();
+    this._downloadTimer = null;
+  }
+
+  setTimeout(callback, delay) {
+    let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
+    timer.initWithCallback(callback, delay, Ci.nsITimer.TYPE_ONE_SHOT);
+    return timer;
+  }
+
+  formatDownload(download) {
+    let referrer = download.source.referrerInfo?.originalReferrer?.spec || null;
+    return {
+      hostname: new URL(download.source.url).hostname,
+      url: download.source.url,
+      path: download.target.path,
+      title: lazy.DownloadsViewUI.getDisplayName(download),
+      description:
+        lazy.DownloadsViewUI.getSizeWithUnits(download) ||
+        lazy.DownloadsCommon.strings.sizeUnknown,
+      referrer,
+      date_added: download.endTime,
+    };
+  }
+
+  init(store) {
+    this._store = store;
+    this._downloadData = lazy.DownloadsCommon.getData(
+      null /* null for non-private downloads */,
+      true,
+      false,
+      true
+    );
+    this._downloadData.addView(this);
+  }
+
+  onDownloadAdded(download) {
+    if (!this._downloadItems.has(download.source.url)) {
+      this._downloadItems.set(download.source.url, download);
+
+      // On startup, all existing downloads fire this notification, so debounce them
+      if (this._downloadTimer) {
+        this._downloadTimer.delay = DOWNLOAD_CHANGED_DELAY_TIME;
+      } else {
+        this._downloadTimer = this.setTimeout(() => {
+          this._downloadTimer = null;
+          this._store.dispatch({ type: at.DOWNLOAD_CHANGED });
+        }, DOWNLOAD_CHANGED_DELAY_TIME);
+      }
+    }
+  }
+
+  onDownloadRemoved(download) {
+    if (this._downloadItems.has(download.source.url)) {
+      this._downloadItems.delete(download.source.url);
+      this._store.dispatch({ type: at.DOWNLOAD_CHANGED });
+    }
+  }
+
+  async getDownloads(
+    threshold,
+    {
+      numItems = this._downloadItems.size,
+      onlySucceeded = false,
+      onlyExists = false,
+    }
+  ) {
+    if (!threshold) {
+      return [];
+    }
+    let results = [];
+
+    // Only get downloads within the time threshold specified and sort by recency
+    const downloadThreshold = Date.now() - threshold;
+    let downloads = [...this._downloadItems.values()]
+      .filter(download => download.endTime > downloadThreshold)
+      .sort((download1, download2) => download1.endTime < download2.endTime);
+
+    for (const download of downloads) {
+      // Ignore blocked links, but allow long (data:) uris to avoid high CPU
+      if (
+        download.source.url.length < 10000 &&
+        lazy.NewTabUtils.blockedLinks.isBlocked(download.source)
+      ) {
+        continue;
+      }
+
+      // Only include downloads where the file still exists
+      if (onlyExists) {
+        // Refresh download to ensure the 'exists' attribute is up to date
+        await download.refresh();
+        if (!download.target.exists) {
+          continue;
+        }
+      }
+      // Only include downloads that were completed successfully
+      if (onlySucceeded) {
+        if (!download.succeeded) {
+          continue;
+        }
+      }
+      const formattedDownloadForHighlights = this.formatDownload(download);
+      results.push(formattedDownloadForHighlights);
+      if (results.length === numItems) {
+        break;
+      }
+    }
+    return results;
+  }
+
+  uninit() {
+    if (this._downloadData) {
+      this._downloadData.removeView(this);
+      this._downloadData = null;
+    }
+    if (this._downloadTimer) {
+      this._downloadTimer.cancel();
+      this._downloadTimer = null;
+    }
+  }
+
+  onAction(action) {
+    let doDownloadAction = callback => {
+      let download = this._downloadItems.get(action.data.url);
+      if (download) {
+        callback(download);
+      }
+    };
+
+    switch (action.type) {
+      case at.COPY_DOWNLOAD_LINK:
+        doDownloadAction(download => {
+          lazy.DownloadsCommon.copyDownloadLink(download);
+        });
+        break;
+      case at.REMOVE_DOWNLOAD_FILE:
+        doDownloadAction(download => {
+          lazy.DownloadsCommon.deleteDownload(download).catch(console.error);
+        });
+        break;
+      case at.SHOW_DOWNLOAD_FILE:
+        doDownloadAction(download => {
+          lazy.DownloadsCommon.showDownloadedFile(
+            new lazy.FileUtils.File(download.target.path)
+          );
+        });
+        break;
+      case at.OPEN_DOWNLOAD_FILE:
+        const win = action._target.browser.ownerGlobal;
+        const openWhere =
+          action.data.event && win.whereToOpenLink(action.data.event);
+        doDownloadAction(download => {
+          lazy.DownloadsCommon.openDownload(download, {
+            // Replace "current" or unknown value with "tab" as the default behavior
+            // for opening downloads when handled internally
+            openWhere: ["window", "tab", "tabshifted"].includes(openWhere)
+              ? openWhere
+              : "tab",
+          });
+        });
+        break;
+      case at.UNINIT:
+        this.uninit();
+        break;
+    }
+  }
+}
+const EXPORTED_SYMBOLS = ["DownloadsManager"];