| Index: chrome/common/page_transition_types.h
|
| ===================================================================
|
| --- chrome/common/page_transition_types.h (revision 78506)
|
| +++ chrome/common/page_transition_types.h (working copy)
|
| @@ -1,165 +0,0 @@
|
| -// Copyright (c) 2010 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#ifndef CHROME_COMMON_PAGE_TRANSITION_TYPES_H__
|
| -#define CHROME_COMMON_PAGE_TRANSITION_TYPES_H__
|
| -#pragma once
|
| -
|
| -#include "base/basictypes.h"
|
| -
|
| -// This class is for scoping only.
|
| -class PageTransition {
|
| - public:
|
| - // Types of transitions between pages. These are stored in the history
|
| - // database to separate visits, and are reported by the renderer for page
|
| - // navigations.
|
| - //
|
| - // WARNING: don't change these numbers. They are written directly into the
|
| - // history database, so future versions will need the same values to match
|
| - // the enums.
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| - //
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| - // A type is made of a core value and a set of qualifiers. A type has one
|
| - // core value and 0 or or more qualifiers.
|
| - enum {
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| - // User got to this page by clicking a link on another page.
|
| - LINK = 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
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| - // like a URL; see GENERATED below.
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| - //
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| - // We also use this for other "explicit" navigation actions.
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| - TYPED = 1,
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| -
|
| - // User got to this page through a suggestion in the UI, for example,
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| - // through the destinations page.
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| - AUTO_BOOKMARK = 2,
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| -
|
| - // This is a subframe navigation. This is any content that is automatically
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| - // loaded in a non-toplevel frame. For example, if a page consists of
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| - // several frames containing ads, those ad URLs will have this transition
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| - // type. The user may not even realize the content in these pages is a
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| - // separate frame, so may not care about the URL (see MANUAL below).
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| - AUTO_SUBFRAME = 3,
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| -
|
| - // For subframe navigations that are explicitly requested by the user and
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| - // generate new navigation entries in the back/forward list. These are
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| - // probably more important than frames that were automatically loaded in
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| - // the background because the user probably cares about the fact that this
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| - // link was loaded.
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| - MANUAL_SUBFRAME = 4,
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| -
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| - // User got to this page by typing in the URL bar and selecting an entry
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| - // that did not look like a URL. For example, a match might have the URL
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| - // of a Google search result page, but appear like "Search Google for ...".
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| - // These are not quite the same as TYPED navigations because the user
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| - // didn't type or see the destination URL.
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| - // See also KEYWORD.
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| - GENERATED = 5,
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| -
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| - // The page was specified in the command line or is the start page.
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| - START_PAGE = 6,
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| -
|
| - // The user filled out values in a form and submitted it. NOTE that in
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| - // some situations submitting a form does not result in this transition
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| - // type. This can happen if the form uses script to submit the contents.
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| - FORM_SUBMIT = 7,
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| -
|
| - // The user "reloaded" the page, either by hitting the reload button or by
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| - // hitting enter in the address bar. NOTE: This is distinct from the
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| - // concept of whether a particular load uses "reload semantics" (i.e.
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| - // bypasses cached data). For this reason, lots of code needs to pass
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| - // around the concept of whether a load should be treated as a "reload"
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| - // separately from their tracking of this transition type, which is mainly
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| - // used for proper scoring for consumers who care about how frequently a
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| - // user typed/visited a particular URL.
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| - //
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| - // SessionRestore and undo tab close use this transition type too.
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| - RELOAD = 8,
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| -
|
| - // The url was generated from a replaceable keyword other than the default
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| - // search provider. If the user types a keyword (which also applies to
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| - // tab-to-search) in the omnibox this qualifier is applied to the transition
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| - // type of the generated url. TemplateURLModel then may generate an
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| - // additional visit with a transition type of KEYWORD_GENERATED against the
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| - // url 'http://' + keyword. For example, if you do a tab-to-search against
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| - // wikipedia the generated url has a transition qualifer of KEYWORD, and
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| - // TemplateURLModel generates a visit for 'wikipedia.org' with a transition
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| - // type of KEYWORD_GENERATED.
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| - KEYWORD = 9,
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| -
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| - // Corresponds to a visit generated for a keyword. See description of
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| - // KEYWORD for more details.
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| - KEYWORD_GENERATED = 10,
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| -
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| - // ADDING NEW CORE VALUE? Be sure to update the LAST_CORE and CORE_MASK
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| - // values below. Also update CoreTransitionString().
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| - LAST_CORE = KEYWORD_GENERATED,
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| - CORE_MASK = 0xFF,
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| -
|
| - // Qualifiers
|
| - // Any of the core values above can be augmented by one or more qualifiers.
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| - // These qualifiers further define the transition.
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| -
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| - // User used the Forward or Back button to navigate among browsing history.
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| - FORWARD_BACK = 0x01000000,
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| -
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| - // The beginning of a navigation chain.
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| - CHAIN_START = 0x10000000,
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| -
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| - // The last transition in a redirect chain.
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| - CHAIN_END = 0x20000000,
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| -
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| - // Redirects caused by JavaScript or a meta refresh tag on the page.
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| - CLIENT_REDIRECT = 0x40000000,
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| -
|
| - // 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
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| - // can get that information from WebKit.
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| - SERVER_REDIRECT = 0x80000000,
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| -
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| - // Used to test whether a transition involves a redirect.
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| - IS_REDIRECT_MASK = 0xC0000000,
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| -
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| - // General mask defining the bits used for the qualifiers.
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| - QUALIFIER_MASK = 0xFFFFFF00
|
| - };
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| -
|
| - // The type used for the bitfield.
|
| - typedef unsigned int Type;
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| -
|
| - static bool ValidType(int32 type) {
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| - Type t = StripQualifier(static_cast<Type>(type));
|
| - return (t <= LAST_CORE);
|
| - }
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| -
|
| - static Type FromInt(int32 type);
|
| -
|
| - // Returns true if the given transition is a top-level frame transition, or
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| - // false if the transition was for a subframe.
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| - static bool IsMainFrame(Type type) {
|
| - int32 t = StripQualifier(type);
|
| - return (t != AUTO_SUBFRAME && t != MANUAL_SUBFRAME);
|
| - }
|
| -
|
| - // Returns whether a transition involves a redirection
|
| - static bool IsRedirect(Type type) {
|
| - return (type & IS_REDIRECT_MASK) != 0;
|
| - }
|
| -
|
| - // Simplifies the provided transition by removing any qualifier
|
| - static Type StripQualifier(Type type) {
|
| - return static_cast<Type>(type & ~QUALIFIER_MASK);
|
| - }
|
| -
|
| - // Return the qualifier
|
| - static int32 GetQualifier(Type type) {
|
| - return type & QUALIFIER_MASK;
|
| - }
|
| -
|
| - // Return a string version of the core type values.
|
| - static const char* CoreTransitionString(Type type);
|
| -};
|
| -
|
| -#endif // CHROME_COMMON_PAGE_TRANSITION_TYPES_H__
|
|
|