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// 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.
#ifndef CHROME_BROWSER_ANDROID_OMNIBOX_AUTOCOMPLETE_CONTROLLER_ANDROID_H_
#define CHROME_BROWSER_ANDROID_OMNIBOX_AUTOCOMPLETE_CONTROLLER_ANDROID_H_
#include <string>
#include "base/android/jni_weak_ref.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/singleton.h"
#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/metrics/proto/omnibox_event.pb.h"
#include "components/omnibox/browser/autocomplete_controller_delegate.h"
#include "components/omnibox/browser/autocomplete_input.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/notification_service.h"
class AutocompleteController;
struct AutocompleteMatch;
class AutocompleteResult;
class Profile;
class Tab;
// The native part of the Java AutocompleteController class.
class AutocompleteControllerAndroid : public AutocompleteControllerDelegate,
public KeyedService {
public:
explicit AutocompleteControllerAndroid(Profile* profile);
// Methods that forward to AutocompleteController:
void Start(JNIEnv* env,
const base::android::JavaRef<jobject>& obj,
const base::android::JavaRef<jstring>& j_text,
jint j_cursor_pos,
const base::android::JavaRef<jstring>& j_desired_tld,
const base::android::JavaRef<jstring>& j_current_url,
bool prevent_inline_autocomplete,
bool prefer_keyword,
bool allow_exact_keyword_match,
bool best_match_only);
base::android::ScopedJavaLocalRef<jobject> Classify(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
const base::android::JavaParamRef<jstring>& j_text);
void OnOmniboxFocused(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
const base::android::JavaParamRef<jstring>& j_omnibox_text,
const base::android::JavaParamRef<jstring>& j_current_url,
jboolean is_query_in_omnibox,
jboolean focused_from_fakebox);
void Stop(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
bool clear_result);
void ResetSession(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj);
void OnSuggestionSelected(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
jint selected_index,
const base::android::JavaParamRef<jstring>& j_current_url,
jboolean is_query_in_omnibox,
jboolean focused_from_fakebox,
jlong elapsed_time_since_first_modified,
const base::android::JavaParamRef<jobject>& j_web_contents);
void DeleteSuggestion(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
int selected_index);
base::android::ScopedJavaLocalRef<jstring>
UpdateMatchDestinationURLWithQueryFormulationTime(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
jint selected_index,
jlong elapsed_time_since_input_change);
// KeyedService:
void Shutdown() override;
class Factory : public BrowserContextKeyedServiceFactory {
public:
static AutocompleteControllerAndroid* GetForProfile(Profile* profile,
JNIEnv* env,
jobject obj);
static Factory* GetInstance();
protected:
content::BrowserContext* GetBrowserContextToUse(
content::BrowserContext* context) const override;
private:
friend struct base::DefaultSingletonTraits<Factory>;
Factory();
~Factory() override;
// BrowserContextKeyedServiceFactory
KeyedService* BuildServiceInstanceFor(
content::BrowserContext* profile) const override;
};
private:
~AutocompleteControllerAndroid() override;
void InitJNI(JNIEnv* env, jobject obj);
// AutocompleteControllerDelegate implementation.
void OnResultChanged(bool default_match_changed) override;
// Notifies the Java AutocompleteController that suggestions were received
// based on the text the user typed in last.
void NotifySuggestionsReceived(
const AutocompleteResult& autocomplete_result);
// Classifies the type of page we are on.
metrics::OmniboxEventProto::PageClassification ClassifyPage(
const GURL& gurl,
bool is_query_in_omnibox,
bool focused_from_fakebox) const;
base::android::ScopedJavaLocalRef<jobject> BuildOmniboxSuggestion(
JNIEnv* env, const AutocompleteMatch& match);
// Converts destination_url (which is in its canonical form or punycode) to a
// user-friendly URL by looking up accept languages of the current profile.
// e.g. http://xn--6q8b.kr/ --> 한.kr
base::string16 FormatURLUsingAcceptLanguages(GURL url);
// A helper method for fetching the top synchronous autocomplete result.
// The |prevent_inline_autocomplete| flag is passed to the AutocompleteInput
// object, see documentation there for its description.
base::android::ScopedJavaLocalRef<jobject> GetTopSynchronousResult(
JNIEnv* env,
const base::android::JavaRef<jobject>& obj,
const base::android::JavaRef<jstring>& j_text,
bool prevent_inline_autocomplete);
scoped_ptr<AutocompleteController> autocomplete_controller_;
// Last input we sent to the autocomplete controller.
AutocompleteInput input_;
// Whether we're currently inside a call to Start() that's called
// from GetTopSynchronousResult().
bool inside_synchronous_start_;
JavaObjectWeakGlobalRef weak_java_autocomplete_controller_android_;
Profile* profile_;
DISALLOW_COPY_AND_ASSIGN(AutocompleteControllerAndroid);
};
// Registers the LocationBar native method.
bool RegisterAutocompleteControllerAndroid(JNIEnv* env);
#endif // CHROME_BROWSER_ANDROID_OMNIBOX_AUTOCOMPLETE_CONTROLLER_ANDROID_H_
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