5bc3f4bec0
Some code to exercise this in the browser console:
```
{
const printNames = async (appList) => {
let buffer = "Start:\n";
for (let index = 0; index < appList4.length; index++) {
let app = appList4.queryElementAt(index, Ci.nsILocalHandlerApp);
buffer += app.executable.leafName;
buffer += "\n";
}
buffer += "\n";
for (let index = 0; index < appList4.length; index++) {
let app = appList4.queryElementAt(index, Ci.nsILocalHandlerApp);
let prettyName = await app.prettyNameAsync();
buffer += prettyName;
buffer += "\n";
}
buffer += "\n";
for (let index = 0; index < appList4.length; index++) {
let app = appList4.queryElementAt(index, Ci.nsILocalHandlerApp);
buffer += app.executable.displayName;
buffer += "\n";
}
buffer += "\n";
for (let index = 0; index < appList4.length; index++) {
let app = appList4.queryElementAt(index, Ci.nsILocalHandlerApp);
if (AppConstants.platform == "win") {
let file = app.executable;
if (file instanceof Ci.nsILocalFileWin) {
try {
buffer += file.getVersionInfoField("FileDescription");
} catch (e) {
}
}
}
buffer += "\n";
}
buffer += "\nEnd\n";
console.log(buffer);
};
const lazy4 = {};
XPCOMUtils.defineLazyServiceGetters(lazy4, {
gMIMEService: ["@mozilla.org/mime;1", "nsIMIMEService"],
});
let mimeInfo4 = lazy4.gMIMEService.getFromTypeAndExtension("text/html", "html");
if (mimeInfo4.hasDefaultHandler) {
console.log(`HasDefaultHandler = true`);
console.log(`Description = ${mimeInfo4.defaultDescription}`);
} else {
console.log(`HasDefaultHandler = false`);
}
let appList4 = mimeInfo4.possibleLocalHandlers || [];
console.log("appList4 = ");
console.log(JSON.stringify(appList4));
printNames(appList4);
}
```
That produces output that can be seen in a pretty form here:
https://docs.google.com/spreadsheets/d/1OvtrZgMlPMJO4Wgu6wwAYvm89orj9HdS_tsDxYn7yrA/edit#gid=0
This does not fix-up things so that all calls to getName() on the LocalHandlerApp are switched to prettyNameAsync. That work is tracked here: https://bugzilla.mozilla.org/show_bug.cgi?id=1884267
Differential Revision: https://phabricator.services.mozilla.com/D203876
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:cin:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __nsLocalHandlerAppImpl_h__
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#define __nsLocalHandlerAppImpl_h__
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#include "nsString.h"
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#include "nsIMIMEInfo.h"
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#include "nsIFile.h"
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#include "nsTArray.h"
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#include <functional>
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class nsLocalHandlerApp : public nsILocalHandlerApp {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIHANDLERAPP
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NS_DECL_NSILOCALHANDLERAPP
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nsLocalHandlerApp() {}
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nsLocalHandlerApp(const char16_t* aName, nsIFile* aExecutable)
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: mName(aName), mExecutable(aExecutable) {}
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nsLocalHandlerApp(const nsAString& aName, nsIFile* aExecutable)
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: mName(aName), mExecutable(aExecutable) {}
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protected:
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virtual ~nsLocalHandlerApp() {}
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virtual std::function<nsresult(nsString&)>
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GetPrettyNameOnNonMainThreadCallback();
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nsString mName;
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nsString mDetailedDescription;
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nsTArray<nsString> mParameters;
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nsCOMPtr<nsIFile> mExecutable;
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/**
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* Launches this application with a single argument (typically either
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* a file path or a URI spec). This is meant as a helper method for
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* implementations of (e.g.) LaunchWithURI.
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*
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* @param aApp The application to launch (may not be null)
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* @param aArg The argument to pass on the command line
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*/
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nsresult LaunchWithIProcess(const nsCString& aArg);
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};
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// any platforms that need a platform-specific class instead of just
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// using nsLocalHandlerApp need to add an include and a typedef here.
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#ifdef XP_MACOSX
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# ifndef NSLOCALHANDLERAPPMAC_H_
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# include "mac/nsLocalHandlerAppMac.h"
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typedef nsLocalHandlerAppMac PlatformLocalHandlerApp_t;
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# endif
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#elif XP_WIN
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# ifndef NSLOCALHANDLERAPPWIN_H_
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# include "win/nsLocalHandlerAppWin.h"
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typedef nsLocalHandlerAppWin PlatformLocalHandlerApp_t;
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# endif
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#else
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typedef nsLocalHandlerApp PlatformLocalHandlerApp_t;
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#endif
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#endif // __nsLocalHandlerAppImpl_h__
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