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有人可以告诉我如何注册 Mozilla/Firefox下载列表视图吗?

这就是我正在使用的:,但它完全破坏了下载管理器:

const {Cc,Ci,Cu} = require("chrome");
Cu.import("resource://gre/modules/XPCOMUtils.jsm", this);
XPCOMUtils.defineLazyModuleGetter(this, "Downloads", "resource://gre/modules/Downloads.jsm");

let view = {
    onDownloadAdded: download => console.log("Added", download),
    onDownloadChanged: download => console.log("Changed", download),
    onDownloadRemoved: download => console.log("Removed", download),
};

console.log('Test1');
Downloads.getList(Downloads.ALL)
         .then(list => {
             console.log('Test2');
             list.addView(view);
             console.log('Test3');
         });

不幸的是,执行此代码后,下载似乎彻底崩溃:它甚至不再允许下载。

一切似乎都很顺利:

I/GeckoConsole( 8723): Test1
I/GeckoConsole( 8723): Test2
I/GeckoConsole( 8723): Test3

但我没有看到Downloads其中DownloadList也应该被记录。

然后当我尝试下载另一个文件时,我得到:

W/GeckoConsole( 8723): [JavaScript Error: "[Exception... "Component returned fai
lure code: 0x80004005 (NS_ERROR_FAILURE) [nsITransfer.init]"  nsresult: "0x80004
005 (NS_ERROR_FAILURE)"  location: "JS frame :: chrome://global/content/contentA
reaUtils.js :: internalPersist :: line 47"  data: no]" {file: "resource://gre/mo
dules/Promise.jsm -> resource://gre/modules/Promise-backend.js" line: 79}]
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0 回答 0