// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef IOS_WEB_VIEW_PUBLIC_CWV_NAVIGATION_TYPE_H_
#define IOS_WEB_VIEW_PUBLIC_CWV_NAVIGATION_TYPE_H_
#import <Foundation/Foundation.h>
NS_ASSUME_NONNULL_BEGIN
// Types of transitions between pages.
typedef NS_OPTIONS(NSUInteger, CWVNavigationType) {
// User got to this page by clicking a link on another page.
CWVNavigationTypeLink = 0,
// User got this page by typing the URL in the URL bar. This should not be
// used for cases where the user selected a choice that didn't look at all
// like a URL; see GENERATED below.
//
// We also use this for other "explicit" navigation actions.
CWVNavigationTypeTyped = 1,
// User got to this page through a suggestion in the UI, for example)
// through the destinations page.
CWVNavigationTypeAutoBookmark = 2,
// This is a subframe navigation. This is any content that is automatically
// loaded in a non-toplevel frame. For example, if a page consists of
// several frames containing ads, those ad URLs will have this transition
// type. The user may not even realize the content in these pages is a
// separate frame, so may not care about the URL (see MANUAL below).
CWVNavigationTypeAutoSubframe = 3,
// For subframe navigations that are explicitly requested by the user and
// generate new navigation entries in the back/forward list. These are
// probably more important than frames that were automatically loaded in
// the background because the user probably cares about the fact that this
// link was loaded.
CWVNavigationTypeManualSubframe = 4,
// User got to this page by typing in the URL bar and selecting an entry
// that did not look like a URL. For example, a match might have the URL
// of a Google search result page, but appear like "Search Google for ...".
// These are not quite the same as TYPED navigations because the user
// didn't type or see the destination URL.
// See also KEYWORD.
CWVNavigationTypeGenerated = 5,
// This is a toplevel navigation. This is any content that is automatically
// loaded in a toplevel frame. For example, opening a tab to show the ASH
// screen saver, opening the devtools window, opening the NTP after the safe
// browsing warning, opening web-based dialog boxes are examples of
// AUTO_TOPLEVEL navigations.
CWVNavigationTypeAutoToplevel = 6,
// The user filled out values in a form and submitted it. NOTE that in
// some situations submitting a form does not result in this transition
// type. This can happen if the form uses script to submit the contents.
CWVNavigationTypeFormSubmit = 7,
// The user "reloaded" the page, either by hitting the reload button or by
// hitting enter in the address bar. NOTE: This is distinct from the
// concept of whether a particular load uses "reload semantics" (i.e.
// bypasses cached data). For this reason, lots of code needs to pass
// around the concept of whether a load should be treated as a "reload"
// separately from their tracking of this transition type, which is mainly
// used for proper scoring for consumers who care about how frequently a
// user typed/visited a particular URL.
//
// SessionRestore and undo tab close use this transition type too.
CWVNavigationTypeReload = 8,
// The url was generated from a replaceable keyword other than the default
// search provider. If the user types a keyword (which also applies to
// tab-to-search) in the omnibox this qualifier is applied to the transition
// type of the generated url. TemplateURLModel then may generate an
// additional visit with a transition type of KEYWORD_GENERATED against the
// url 'http://' + keyword. For example, if you do a tab-to-search against
// wikipedia the generated url has a transition qualifer of KEYWORD, and
// TemplateURLModel generates a visit for 'wikipedia.org' with a transition
// type of KEYWORD_GENERATED.
CWVNavigationTypeKeyword = 9,
// Corresponds to a visit generated for a keyword. See description of
// KEYWORD for more details.
CWVNavigationTypeKeywordGenerated = 10,
// Corresponds to a navigation causing the new web view to be created.
// It's only used in [web_view.UIDelegate
// webView:createWebViewWithConfiguration:forNavigationAction:]
CWVNavigationTypeNewWindow = 11,
// ADDING NEW CORE VALUE? Be sure to update ui::PageTransition too.
CWVNavigationTypeLastCore = CWVNavigationTypeNewWindow,
CWVNavigationTypeCoreMask = 0xFF,
// Qualifiers
// Any of the core values above can be augmented by one or more qualifiers.
// These qualifiers further define the transition.
// A managed user attempted to visit a URL but was blocked.
CWVNavigationTypeBlocked = 0x00800000,
// User used the Forward or Back button to navigate among browsing history.
CWVNavigationTypeForwardBack = 0x01000000,
// User used the address bar to trigger this navigation.
CWVNavigationTypeFromAddressBar = 0x02000000,
// User is navigating to the home page.
CWVNavigationTypeHomePage = 0x04000000,
// The transition originated from an external application; the exact
// definition of this is embedder dependent.
CWVNavigationTypeFromApi = 0x08000000,
// The beginning of a navigation chain.
CWVNavigationTypeChainStart = 0x10000000,
// The last transition in a redirect chain.
CWVNavigationTypeChainEnd = 0x20000000,
// Redirects caused by JavaScript or a meta refresh tag on the page.
CWVNavigationTypeClientRedirect = 0x40000000,
// Redirects sent from the server by HTTP headers. It might be nice to
// break this out into 2 types in the future, permanent or temporary, if we
// can get that information from WebKit.
CWVNavigationTypeServerRedirect = 0x80000000,
// Used to test whether a transition involves a redirect.
CWVNavigationTypeIsRedirectMask = 0xC0000000,
// General mask defining the bits used for the qualifiers.
CWVNavigationTypeQualifierMask = 0xFFFFFF00,
};
NS_ASSUME_NONNULL_END
#endif // IOS_WEB_VIEW_PUBLIC_CWV_NAVIGATION_TYPE_H_
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