Upstream AutocompleteController and related classes.

chrome/browser/android/omnibox/autocomplete_controller_android.h

+// 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/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/singleton.h"
+#include "chrome/browser/autocomplete/autocomplete_controller_delegate.h"
+#include "chrome/browser/autocomplete/autocomplete_input.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+#include "components/keyed_service/core/keyed_service.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,
+             jobject obj,
+             jstring j_text,
+             jstring j_desired_tld,
+             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,
+                                                      jobject obj,
+                                                      jstring j_text);
+  void StartZeroSuggest(JNIEnv* env,
+                        jobject obj,
+                        jstring j_omnibox_text,
+                        jstring j_current_url,
+                        jboolean is_query_in_omnibox,
+                        jboolean focused_from_fakebox);
+  void Stop(JNIEnv* env, jobject obj, bool clear_result);
+  void ResetSession(JNIEnv* env, jobject obj);
+  void OnSuggestionSelected(JNIEnv* env,
+                            jobject obj,
+                            jint selected_index,
+                            jstring j_current_url,
+                            jboolean is_query_in_omnibox,
+                            jboolean focused_from_fakebox,
+                            jlong elapsed_time_since_first_modified,
+                            jobject j_web_contents);
+  void DeleteSuggestion(JNIEnv* env, jobject obj, int selected_index);
+  base::android::ScopedJavaLocalRef<jstring> UpdateMatchDestinationURL(
+      JNIEnv* env,
+      jobject obj,
+      jint selected_index,
+      jlong elapsed_time_since_input_change);
+
+  // KeyedService:
+  virtual void Shutdown() OVERRIDE;
+
+  class Factory : public BrowserContextKeyedServiceFactory {
+   public:
+    static AutocompleteControllerAndroid* GetForProfile(Profile* profile,
+                                             JNIEnv* env,
+                                             jobject obj);
+
+    static Factory* GetInstance();
+
+   protected:
+    virtual content::BrowserContext* GetBrowserContextToUse(
+        content::BrowserContext* context) const OVERRIDE;
+
+   private:
+    friend struct DefaultSingletonTraits<Factory>;
+
+    Factory();
+    virtual ~Factory();
+
+    // BrowserContextKeyedServiceFactory
+    virtual KeyedService* BuildServiceInstanceFor(
+        content::BrowserContext* profile) const OVERRIDE;
+  };
+
+ private:
+  virtual ~AutocompleteControllerAndroid();
+  void InitJNI(JNIEnv* env, jobject obj);
+
+  // AutocompleteControllerDelegate implementation.
+  virtual 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.
+  AutocompleteInput::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);
+
+  scoped_ptr<AutocompleteController> autocomplete_controller_;
+
+  // Last input we sent to the autocomplete controller.
+  AutocompleteInput input_;
+
+  // Whether we're currently inside a call to Classify().
+  bool inside_classify_;
+
+  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_