| // Copyright (c) 2012 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_BROWSER_AUTOCOMPLETE_HISTORY_PROVIDER_H_ |
| #define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_PROVIDER_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "chrome/browser/autocomplete/autocomplete_provider.h" |
| |
| class AutocompleteInput; |
| struct AutocompleteMatch; |
| |
| // This class is a base class for the history autocomplete providers and |
| // provides functions useful to all derived classes. |
| class HistoryProvider : public AutocompleteProvider { |
| public: |
| virtual void DeleteMatch(const AutocompleteMatch& match) OVERRIDE; |
| |
| protected: |
| HistoryProvider(AutocompleteProviderListener* listener, |
| Profile* profile, |
| AutocompleteProvider::Type type); |
| virtual ~HistoryProvider(); |
| |
| // Finds and removes the match from the current collection of matches and |
| // backing data. |
| void DeleteMatchFromMatches(const AutocompleteMatch& match); |
| |
| // Fixes up user URL input to make it more possible to match against. Among |
| // many other things, this takes care of the following: |
| // * Prepending file:// to file URLs |
| // * Converting drive letters in file URLs to uppercase |
| // * Converting case-insensitive parts of URLs (like the scheme and domain) |
| // to lowercase |
| // * Convert spaces to %20s |
| // Note that we don't do this in AutocompleteInput's constructor, because if |
| // e.g. we convert a Unicode hostname to punycode, other providers will show |
| // output that surprises the user ("Search Google for xn--6ca.com"). |
| // Returns false if the fixup attempt resulted in an empty string (which |
| // providers generally can't do anything with). |
| static bool FixupUserInput(AutocompleteInput* input); |
| |
| // Trims "http:" and up to two subsequent slashes from |url|. Returns the |
| // number of characters that were trimmed. |
| // NOTE: For a view-source: URL, this will trim from after "view-source:" and |
| // return 0. |
| static size_t TrimHttpPrefix(string16* url); |
| |
| // Returns true if inline autocompletion should be prevented. Use this instead |
| // of |input.prevent_inline_autocomplete| if the input is passed through |
| // FixupUserInput(). This method returns true if |
| // |input.prevent_inline_autocomplete()| is true or the input text contains |
| // trailing whitespace. |
| bool PreventInlineAutocomplete(const AutocompleteInput& input); |
| }; |
| |
| #endif // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_PROVIDER_H_ |