The Tor Browser: mobile/android/base/home/SearchEngineRow.java@6474c204b198 (annotated)

mobile/android/base/home/SearchEngineRow.java@6474c204b198 (annotated)

mobile/android/base/home/SearchEngineRow.java

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 package org.mozilla.gecko.home;
 import org.mozilla.gecko.R;
 import org.mozilla.gecko.Telemetry;
 import org.mozilla.gecko.TelemetryContract;
 import org.mozilla.gecko.home.BrowserSearch.OnEditSuggestionListener;
 import org.mozilla.gecko.home.BrowserSearch.OnSearchListener;
 import org.mozilla.gecko.home.HomePager.OnUrlOpenListener;
 import org.mozilla.gecko.util.StringUtils;
 import org.mozilla.gecko.widget.AnimatedHeightLayout;
 import org.mozilla.gecko.widget.FaviconView;
 import org.mozilla.gecko.widget.FlowLayout;
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.animation.AlphaAnimation;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 import java.util.EnumSet;
 class SearchEngineRow extends AnimatedHeightLayout {
     // Duration for fade-in animation
     private static final int ANIMATION_DURATION = 250;
     // Inner views
     private final FlowLayout mSuggestionView;
     private final FaviconView mIconView;
     private final LinearLayout mUserEnteredView;
     private final TextView mUserEnteredTextView;
     // Inflater used when updating from suggestions
     private final LayoutInflater mInflater;
     // Search engine associated with this view
     private SearchEngine mSearchEngine;
     // Event listeners for suggestion views
     private final OnClickListener mClickListener;
     private final OnLongClickListener mLongClickListener;
     // On URL open listener
     private OnUrlOpenListener mUrlOpenListener;
     // On search listener
     private OnSearchListener mSearchListener;
     // On edit suggestion listener
     private OnEditSuggestionListener mEditSuggestionListener;
     // Selected suggestion view
     private int mSelectedView = 0;
     public SearchEngineRow(Context context) {
         this(context, null);
     }
     public SearchEngineRow(Context context, AttributeSet attrs) {
         this(context, attrs, 0);
     }
     public SearchEngineRow(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
         mClickListener = new OnClickListener() {
             @Override
             public void onClick(View v) {
                 final String suggestion = getSuggestionTextFromView(v);
                 // If we're not clicking the user-entered view (the first suggestion item)
                 // and the search matches a URL pattern, go to that URL. Otherwise, do a
                 // search for the term.
                 if (v != mUserEnteredView && !StringUtils.isSearchQuery(suggestion, false)) {
                     if (mUrlOpenListener != null) {
                         Telemetry.sendUIEvent(TelemetryContract.Event.LOAD_URL, TelemetryContract.Method.SUGGESTION, "url");
                         mUrlOpenListener.onUrlOpen(suggestion, EnumSet.noneOf(OnUrlOpenListener.Flags.class));
                     }
                 } else if (mSearchListener != null) {
                     if (v == mUserEnteredView) {
                         Telemetry.sendUIEvent(TelemetryContract.Event.LOAD_URL, TelemetryContract.Method.SUGGESTION, "user");
                     } else {
                         Telemetry.sendUIEvent(TelemetryContract.Event.LOAD_URL, TelemetryContract.Method.SUGGESTION, "engine");
                     }
                     mSearchListener.onSearch(mSearchEngine, suggestion);
                 }
             }
         };
         mLongClickListener = new OnLongClickListener() {
             @Override
             public boolean onLongClick(View v) {
                 if (mEditSuggestionListener != null) {
                     final String suggestion = getSuggestionTextFromView(v);
                     mEditSuggestionListener.onEditSuggestion(suggestion);
                     return true;
                 }
                 return false;
             }
         };
         mInflater = LayoutInflater.from(context);
         mInflater.inflate(R.layout.search_engine_row, this);
         mSuggestionView = (FlowLayout) findViewById(R.id.suggestion_layout);
         mIconView = (FaviconView) findViewById(R.id.suggestion_icon);
         // User-entered search term is first suggestion
         mUserEnteredView = (LinearLayout) findViewById(R.id.suggestion_user_entered);
         mUserEnteredView.setOnClickListener(mClickListener);
         mUserEnteredTextView = (TextView) findViewById(R.id.suggestion_text);
     }
     private void setDescriptionOnSuggestion(View v, String suggestion) {
         v.setContentDescription(getResources().getString(R.string.suggestion_for_engine,
                                                          mSearchEngine.name, suggestion));
     }
     private String getSuggestionTextFromView(View v) {
         final TextView suggestionText = (TextView) v.findViewById(R.id.suggestion_text);
         return suggestionText.getText().toString();
     }
     private void setSuggestionOnView(View v, String suggestion) {
         final TextView suggestionText = (TextView) v.findViewById(R.id.suggestion_text);
         suggestionText.setText(suggestion);
         setDescriptionOnSuggestion(suggestionText, suggestion);
     }
     /**
      * Perform a search for the user-entered term.
      */
     public void performUserEnteredSearch() {
         String searchTerm = getSuggestionTextFromView(mUserEnteredView);
         if (mSearchListener != null) {
             Telemetry.sendUIEvent(TelemetryContract.Event.LOAD_URL, TelemetryContract.Method.SUGGESTION, "user");
             mSearchListener.onSearch(mSearchEngine, searchTerm);
         }
     }
     public void setSearchTerm(String searchTerm) {
         mUserEnteredTextView.setText(searchTerm);
         // mSearchEngine is not set in the first call to this method; the content description
         // is instead initially set in updateFromSearchEngine.
         if (mSearchEngine != null) {
             setDescriptionOnSuggestion(mUserEnteredTextView, searchTerm);
         }
     }
     public void setOnUrlOpenListener(OnUrlOpenListener listener) {
         mUrlOpenListener = listener;
     }
     public void setOnSearchListener(OnSearchListener listener) {
         mSearchListener = listener;
     }
     public void setOnEditSuggestionListener(OnEditSuggestionListener listener) {
         mEditSuggestionListener = listener;
     }
     public void updateFromSearchEngine(SearchEngine searchEngine, boolean animate) {
         // Update search engine reference.
         mSearchEngine = searchEngine;
         // Set the search engine icon (e.g., Google) for the row.
         mIconView.updateAndScaleImage(mSearchEngine.getIcon(), mSearchEngine.getEngineIdentifier());
         // Set the initial content description.
         setDescriptionOnSuggestion(mUserEnteredTextView, mUserEnteredTextView.getText().toString());
         // Add additional suggestions given by this engine.
         final int recycledSuggestionCount = mSuggestionView.getChildCount();
         int suggestionCounter = 0;
         for (String suggestion : mSearchEngine.getSuggestions()) {
             final View suggestionItem;
             // Reuse suggestion views from recycled view, if possible.
             if (suggestionCounter + 1 < recycledSuggestionCount) {
                 suggestionItem = mSuggestionView.getChildAt(suggestionCounter + 1);
                 suggestionItem.setVisibility(View.VISIBLE);
             } else {
                 suggestionItem = mInflater.inflate(R.layout.suggestion_item, null);
                 suggestionItem.setOnClickListener(mClickListener);
                 suggestionItem.setOnLongClickListener(mLongClickListener);
                 final ImageView magnifier =
                         (ImageView) suggestionItem.findViewById(R.id.suggestion_magnifier);
                 magnifier.setVisibility(View.GONE);
                 mSuggestionView.addView(suggestionItem);
             }
             setSuggestionOnView(suggestionItem, suggestion);
             if (animate) {
                 AlphaAnimation anim = new AlphaAnimation(0, 1);
                 anim.setDuration(ANIMATION_DURATION);
                 anim.setStartOffset(suggestionCounter * ANIMATION_DURATION);
                 suggestionItem.startAnimation(anim);
             }
             ++suggestionCounter;
         }
         // Hide extra suggestions that have been recycled.
         for (int i = suggestionCounter + 1; i < recycledSuggestionCount; ++i) {
             mSuggestionView.getChildAt(i).setVisibility(View.GONE);
         }
         // Make sure mSelectedView is still valid.
         if (mSelectedView >= mSuggestionView.getChildCount()) {
             mSelectedView = mSuggestionView.getChildCount() - 1;
         }
     }
     @Override
     public boolean onKeyDown(int keyCode, android.view.KeyEvent event) {
         final View suggestion = mSuggestionView.getChildAt(mSelectedView);
         if (event.getAction() != android.view.KeyEvent.ACTION_DOWN) {
             return false;
         }
         switch (event.getKeyCode()) {
         case KeyEvent.KEYCODE_DPAD_RIGHT:
             final View nextSuggestion = mSuggestionView.getChildAt(mSelectedView + 1);
             if (nextSuggestion != null) {
                 changeSelectedSuggestion(suggestion, nextSuggestion);
                 mSelectedView++;
                 return true;
             }
             break;
         case KeyEvent.KEYCODE_DPAD_LEFT:
             final View prevSuggestion = mSuggestionView.getChildAt(mSelectedView - 1);
             if (prevSuggestion != null) {
                 changeSelectedSuggestion(suggestion, prevSuggestion);
                 mSelectedView--;
                 return true;
             }
             break;
         case KeyEvent.KEYCODE_BUTTON_A:
             // TODO: handle long pressing for editing suggestions
             return suggestion.performClick();
         }
         return false;
     }
     private void changeSelectedSuggestion(View oldSuggestion, View newSuggestion) {
         oldSuggestion.setDuplicateParentStateEnabled(false);
         newSuggestion.setDuplicateParentStateEnabled(true);
         oldSuggestion.refreshDrawableState();
         newSuggestion.refreshDrawableState();
     }
     public void onSelected() {
         mSelectedView = 0;
         mUserEnteredView.setDuplicateParentStateEnabled(true);
         mUserEnteredView.refreshDrawableState();
     }
     public void onDeselected() {
         final View suggestion = mSuggestionView.getChildAt(mSelectedView);
         suggestion.setDuplicateParentStateEnabled(false);
         suggestion.refreshDrawableState();
     }
 }

The Tor Browser / annotate

mobile/android/base/home/SearchEngineRow.java@6474c204b198 (annotated)

mobile/android/base/home/SearchEngineRow.java