electron/browser/auto_updater_mac.mm

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// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "browser/auto_updater.h"
#import <ReactiveCocoa/RACCommand.h>
#import <ReactiveCocoa/RACSignal.h>
#import <ReactiveCocoa/NSObject+RACPropertySubscribing.h>
#import <Squirrel/Squirrel.h>
#include "base/bind.h"
#include "base/time/time.h"
#include "base/strings/sys_string_conversions.h"
#include "browser/auto_updater_delegate.h"
namespace auto_updater {
namespace {
// The gloal SQRLUpdater object.
SQRLUpdater* g_updater = nil;
void RelaunchToInstallUpdate() {
[[g_updater relaunchToInstallUpdate] subscribeError:^(NSError* error) {
AutoUpdaterDelegate* delegate = AutoUpdater::GetDelegate();
if (delegate)
delegate->OnError(base::SysNSStringToUTF8(error.localizedDescription));
}];
}
} // namespace
// static
void AutoUpdater::SetFeedURL(const std::string& feed) {
if (g_updater == nil) {
// Initialize the SQRLUpdater.
NSURL* url = [NSURL URLWithString:base::SysUTF8ToNSString(feed)];
NSURLRequest* urlRequest = [NSURLRequest requestWithURL:url];
g_updater = [[SQRLUpdater alloc] initWithUpdateRequest:urlRequest];
AutoUpdaterDelegate* delegate = GetDelegate();
if (!delegate)
return;
[[g_updater rac_valuesForKeyPath:@"state" observer:g_updater]
subscribeNext:^(NSNumber *stateNumber) {
int state = [stateNumber integerValue];
if (state == SQRLUpdaterStateCheckingForUpdate) {
delegate->OnCheckingForUpdate();
}
else if (state == SQRLUpdaterStateDownloadingUpdate) {
delegate->OnUpdateAvailable();
}
}];
}
}
// static
void AutoUpdater::CheckForUpdates() {
AutoUpdaterDelegate* delegate = GetDelegate();
if (!delegate)
return;
[[[[g_updater.checkForUpdatesCommand
execute:nil]
// Send a `nil` after everything...
concat:[RACSignal return:nil]]
// But only take the first value. If an update is sent, we'll get that.
// Otherwise, we'll get our inserted `nil` value.
take:1]
subscribeNext:^(SQRLDownloadedUpdate *downloadedUpdate) {
if (downloadedUpdate) {
SQRLUpdate* update = downloadedUpdate.update;
// There is a new update that has been downloaded.
delegate->OnUpdateDownloaded(
base::SysNSStringToUTF8(update.releaseNotes),
base::SysNSStringToUTF8(update.releaseName),
base::Time::FromDoubleT(update.releaseDate.timeIntervalSince1970),
base::SysNSStringToUTF8(update.updateURL.absoluteString),
base::Bind(RelaunchToInstallUpdate));
}
else {
// When the completed event is sent with no update, then we know there
// is no update available.
delegate->OnUpdateNotAvailable();
}
} error:^(NSError *error) {
delegate->OnError(base::SysNSStringToUTF8(error.localizedDescription));
}];
}
} // namespace auto_updater