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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/handoff/handoff_manager.h"
#include "base/check.h"
#include "base/notreached.h"
#include "base/strings/sys_string_conversions.h"
#include "build/build_config.h"
#include "net/base/apple/url_conversions.h"
#if BUILDFLAG(IS_IOS)
#include "components/handoff/pref_names_ios.h"
#include "components/pref_registry/pref_registry_syncable.h" // nogncheck
#endif
#if BUILDFLAG(IS_MAC)
#include "base/mac/mac_util.h"
#endif
@interface HandoffManager ()
// The active user activity.
@property(nonatomic, strong) NSUserActivity* userActivity;
// Whether the URL of the current tab should be exposed for Handoff.
- (BOOL)shouldUseActiveURL;
// Updates the active NSUserActivity.
- (void)updateUserActivity;
@end
@implementation HandoffManager {
GURL _activeURL;
}
@synthesize userActivity = _userActivity;
#if BUILDFLAG(IS_IOS)
+ (void)registerBrowserStatePrefs:(user_prefs::PrefRegistrySyncable*)registry {
registry->RegisterBooleanPref(
prefs::kIosHandoffToOtherDevices, true,
user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
}
#endif
- (instancetype)init {
return [super init];
}
- (void)updateActiveURL:(const GURL&)url {
_activeURL = url;
[self updateUserActivity];
}
- (void)updateActiveTitle:(const std::u16string&)title {
// Assume the activity has already been created since the page navigation
// will complete before the page title loads. No need to re-create it, just
// set the title. If the activity has not been created, ignore the update.
self.userActivity.title = base::SysUTF16ToNSString(title);
}
- (BOOL)shouldUseActiveURL {
return _activeURL.SchemeIsHTTPOrHTTPS();
}
- (void)updateUserActivity {
// Clear the user activity.
if (![self shouldUseActiveURL]) {
[self.userActivity invalidate];
self.userActivity = nil;
return;
}
// No change to the user activity.
const GURL userActivityURL = net::GURLWithNSURL(self.userActivity.webpageURL);
if (userActivityURL == _activeURL) {
return;
}
// Invalidate the old user activity and make a new one.
[self.userActivity invalidate];
self.userActivity = [[NSUserActivity alloc]
initWithActivityType:NSUserActivityTypeBrowsingWeb];
self.userActivity.webpageURL = net::NSURLWithGURL(_activeURL);
[self.userActivity becomeCurrent];
}
@end
#if BUILDFLAG(IS_IOS)
@implementation HandoffManager (TestingOnly)
- (NSURL*)userActivityWebpageURL {
return self.userActivity.webpageURL;
}
- (NSString*)userActivityTitle {
return self.userActivity.title;
}
@end
#endif
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