blob: 408f60965b96f3a60c1ff8d43b866d00f7ec81fc [file] [log] [blame]
// Copyright 2014 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.
// KeywordExtensionsDelegateImpl contains the extensions-only logic used by
// KeywordProvider. Overrides KeywordExtensionsDelegate which does nothing.
#include <vector>
#include "base/compiler_specific.h"
#include "chrome/browser/autocomplete/autocomplete_input.h"
#include "chrome/browser/autocomplete/autocomplete_match.h"
#include "chrome/browser/autocomplete/autocomplete_provider_listener.h"
#include "chrome/browser/autocomplete/keyword_extensions_delegate.h"
#include "chrome/browser/autocomplete/keyword_provider.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#error "Should not be included when extensions are disabled"
class KeywordExtensionsDelegateImpl : public KeywordExtensionsDelegate,
public content::NotificationObserver {
explicit KeywordExtensionsDelegateImpl(KeywordProvider* provider);
virtual ~KeywordExtensionsDelegateImpl();
// KeywordExtensionsDelegate:
virtual void IncrementInputId() OVERRIDE;
virtual bool IsEnabledExtension(Profile* profile,
const std::string& extension_id) OVERRIDE;
virtual bool Start(const AutocompleteInput& input,
bool minimal_changes,
const TemplateURL* template_url,
const base::string16& remaining_input) OVERRIDE;
virtual void EnterExtensionKeywordMode(
const std::string& extension_id) OVERRIDE;
virtual void MaybeEndExtensionKeywordMode() OVERRIDE;
// content::NotificationObserver:
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
Profile* profile() { return provider_->profile_; }
ACMatches* matches() { return &provider_->matches_; }
void set_done(bool done) {
provider_->done_ = done;
// Notifies the KeywordProvider about asynchronous updates from the extension.
void OnProviderUpdate(bool updated_matches);
// Identifies the current input state. This is incremented each time the
// autocomplete edit's input changes in any way. It is used to tell whether
// suggest results from the extension are current.
int current_input_id_;
// The input state at the time we last asked the extension for suggest
// results.
AutocompleteInput extension_suggest_last_input_;
// We remember the last suggestions we've received from the extension in case
// we need to reset our matches without asking the extension again.
std::vector<AutocompleteMatch> extension_suggest_matches_;
// If non-empty, holds the ID of the extension whose keyword is currently in
// the URL bar while the autocomplete popup is open.
std::string current_keyword_extension_id_;
// The owner of this class.
KeywordProvider* provider_;
content::NotificationRegistrar registrar_;
// We need our input IDs to be unique across all profiles, so we keep a global
// UID that each provider uses.
static int global_input_uid_;