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334 lines
12 KiB
334 lines
12 KiB
package acr.browser.lightning.search; |
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import android.app.Application; |
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import android.content.Context; |
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import android.graphics.Color; |
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import android.graphics.drawable.Drawable; |
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import android.os.AsyncTask; |
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import android.support.annotation.NonNull; |
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import android.support.annotation.Nullable; |
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import android.view.LayoutInflater; |
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import android.view.View; |
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import android.view.ViewGroup; |
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import android.widget.BaseAdapter; |
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import android.widget.Filter; |
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import android.widget.Filterable; |
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import android.widget.ImageView; |
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import android.widget.TextView; |
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import java.io.File; |
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import java.io.FilenameFilter; |
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import java.util.ArrayList; |
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import java.util.Collections; |
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import java.util.Comparator; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Locale; |
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import javax.inject.Inject; |
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import acr.browser.lightning.R; |
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import acr.browser.lightning.app.BrowserApp; |
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import acr.browser.lightning.database.BookmarkManager; |
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import acr.browser.lightning.database.HistoryDatabase; |
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import acr.browser.lightning.database.HistoryItem; |
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import acr.browser.lightning.preference.PreferenceManager; |
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import acr.browser.lightning.utils.ThemeUtils; |
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public class SuggestionsAdapter extends BaseAdapter implements Filterable, SuggestionsResult { |
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private static final String TAG = SuggestionsAdapter.class.getSimpleName(); |
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private final List<HistoryItem> mHistory = new ArrayList<>(5); |
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private final List<HistoryItem> mBookmarks = new ArrayList<>(5); |
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private final List<HistoryItem> mSuggestions = new ArrayList<>(5); |
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private final List<HistoryItem> mFilteredList = new ArrayList<>(5); |
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private final List<HistoryItem> mAllBookmarks = new ArrayList<>(5); |
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@NonNull private final Context mContext; |
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private boolean mUseGoogle = true; |
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private boolean mIsExecuting = false; |
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private final boolean mDarkTheme; |
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private final boolean mIncognito; |
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private static final String CACHE_FILE_TYPE = ".sgg"; |
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private static final long INTERVAL_DAY = 86400000; |
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private static final int MAX_SUGGESTIONS = 5; |
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private static final SuggestionsComparator mComparator = new SuggestionsComparator(); |
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private SearchFilter mFilter; |
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@NonNull private final Drawable mSearchDrawable; |
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@NonNull private final Drawable mHistoryDrawable; |
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@NonNull private final Drawable mBookmarkDrawable; |
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@Inject |
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HistoryDatabase mDatabaseHandler; |
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@Inject |
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BookmarkManager mBookmarkManager; |
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@Inject |
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PreferenceManager mPreferenceManager; |
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public SuggestionsAdapter(@NonNull Context context, boolean dark, boolean incognito) { |
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BrowserApp.getAppComponent().inject(this); |
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mAllBookmarks.addAll(mBookmarkManager.getAllBookmarks(true)); |
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mUseGoogle = mPreferenceManager.getGoogleSearchSuggestionsEnabled(); |
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mContext = context; |
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mDarkTheme = dark || incognito; |
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mIncognito = incognito; |
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BrowserApp.getTaskThread().execute(new ClearCacheRunnable(BrowserApp.get(context))); |
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mSearchDrawable = ThemeUtils.getThemedDrawable(context, R.drawable.ic_search, mDarkTheme); |
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mBookmarkDrawable = ThemeUtils.getThemedDrawable(context, R.drawable.ic_bookmark, mDarkTheme); |
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mHistoryDrawable = ThemeUtils.getThemedDrawable(context, R.drawable.ic_history, mDarkTheme); |
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} |
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private static class NameFilter implements FilenameFilter { |
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@Override |
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public boolean accept(File dir, @NonNull String filename) { |
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return filename.endsWith(CACHE_FILE_TYPE); |
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} |
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} |
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public void refreshPreferences() { |
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mUseGoogle = mPreferenceManager.getGoogleSearchSuggestionsEnabled(); |
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if (!mUseGoogle) { |
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synchronized (mSuggestions) { |
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mSuggestions.clear(); |
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} |
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} |
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} |
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public void refreshBookmarks() { |
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synchronized (SuggestionsAdapter.this) { |
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mAllBookmarks.clear(); |
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mAllBookmarks.addAll(mBookmarkManager.getAllBookmarks(true)); |
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} |
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} |
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@Override |
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public int getCount() { |
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return mFilteredList.size(); |
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} |
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@Override |
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public Object getItem(int position) { |
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return mFilteredList.get(position); |
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} |
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@Override |
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public long getItemId(int position) { |
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return 0; |
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} |
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@Nullable |
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@Override |
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public View getView(int position, @Nullable View convertView, ViewGroup parent) { |
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SuggestionHolder holder; |
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if (convertView == null) { |
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LayoutInflater inflater = LayoutInflater.from(mContext); |
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convertView = inflater.inflate(R.layout.two_line_autocomplete, parent, false); |
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holder = new SuggestionHolder(); |
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holder.mTitle = (TextView) convertView.findViewById(R.id.title); |
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holder.mUrl = (TextView) convertView.findViewById(R.id.url); |
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holder.mImage = (ImageView) convertView.findViewById(R.id.suggestionIcon); |
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convertView.setTag(holder); |
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} else { |
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holder = (SuggestionHolder) convertView.getTag(); |
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} |
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HistoryItem web; |
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web = mFilteredList.get(position); |
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holder.mTitle.setText(web.getTitle()); |
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holder.mUrl.setText(web.getUrl()); |
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Drawable image; |
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switch (web.getImageId()) { |
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case R.drawable.ic_bookmark: { |
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if (mDarkTheme) |
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holder.mTitle.setTextColor(Color.WHITE); |
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image = mBookmarkDrawable; |
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break; |
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} |
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case R.drawable.ic_search: { |
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if (mDarkTheme) |
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holder.mTitle.setTextColor(Color.WHITE); |
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image = mSearchDrawable; |
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break; |
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} |
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case R.drawable.ic_history: { |
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if (mDarkTheme) |
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holder.mTitle.setTextColor(Color.WHITE); |
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image = mHistoryDrawable; |
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break; |
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} |
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default: |
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if (mDarkTheme) |
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holder.mTitle.setTextColor(Color.WHITE); |
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image = mSearchDrawable; |
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break; |
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} |
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holder.mImage.setImageDrawable(image); |
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return convertView; |
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} |
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@Override |
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public Filter getFilter() { |
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if (mFilter == null) { |
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mFilter = new SearchFilter(); |
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} |
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return mFilter; |
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} |
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private static class ClearCacheRunnable implements Runnable { |
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@NonNull |
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private final Application app; |
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public ClearCacheRunnable(@NonNull Application app) { |
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this.app = app; |
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} |
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@Override |
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public void run() { |
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File dir = new File(app.getCacheDir().toString()); |
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String[] fileList = dir.list(new NameFilter()); |
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long earliestTimeAllowed = System.currentTimeMillis() - INTERVAL_DAY; |
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for (String fileName : fileList) { |
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File file = new File(dir.getPath() + fileName); |
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if (earliestTimeAllowed > file.lastModified()) { |
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file.delete(); |
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} |
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} |
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} |
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} |
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private class SearchFilter extends Filter { |
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@NonNull |
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@Override |
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protected FilterResults performFiltering(@Nullable CharSequence constraint) { |
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FilterResults results = new FilterResults(); |
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if (constraint == null) { |
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return results; |
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} |
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String query = constraint.toString().toLowerCase(Locale.getDefault()); |
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if (mUseGoogle && !mIncognito && !mIsExecuting) { |
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mIsExecuting = true; |
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new RetrieveSuggestionsTask(query, SuggestionsAdapter.this, BrowserApp.get(mContext)).executeOnExecutor(AsyncTask.SERIAL_EXECUTOR); |
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} |
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int counter = 0; |
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synchronized (mBookmarks) { |
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mBookmarks.clear(); |
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synchronized (SuggestionsAdapter.this) { |
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for (int n = 0; n < mAllBookmarks.size(); n++) { |
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if (counter >= 5) { |
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break; |
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} |
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if (mAllBookmarks.get(n).getTitle().toLowerCase(Locale.getDefault()) |
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.startsWith(query)) { |
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mBookmarks.add(mAllBookmarks.get(n)); |
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counter++; |
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} else if (mAllBookmarks.get(n).getUrl().contains(query)) { |
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mBookmarks.add(mAllBookmarks.get(n)); |
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counter++; |
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} |
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} |
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} |
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} |
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List<HistoryItem> historyList = mDatabaseHandler.findItemsContaining(constraint.toString()); |
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synchronized (mHistory) { |
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mHistory.clear(); |
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mHistory.addAll(historyList); |
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} |
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results.count = 1; |
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return results; |
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} |
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@Override |
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public CharSequence convertResultToString(@NonNull Object resultValue) { |
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return ((HistoryItem) resultValue).getUrl(); |
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} |
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@Override |
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protected void publishResults(CharSequence constraint, FilterResults results) { |
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synchronized (mFilteredList) { |
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mFilteredList.clear(); |
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List<HistoryItem> filtered = getFilteredList(); |
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Collections.sort(filtered, mComparator); |
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mFilteredList.addAll(filtered); |
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} |
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notifyDataSetChanged(); |
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} |
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} |
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private static class SuggestionHolder { |
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ImageView mImage; |
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TextView mTitle; |
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TextView mUrl; |
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} |
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@Override |
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public void resultReceived(@NonNull List<HistoryItem> searchResults) { |
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mIsExecuting = false; |
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synchronized (mSuggestions) { |
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mSuggestions.clear(); |
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mSuggestions.addAll(searchResults); |
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} |
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synchronized (mFilteredList) { |
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mFilteredList.clear(); |
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List<HistoryItem> filtered = getFilteredList(); |
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Collections.sort(filtered, mComparator); |
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mFilteredList.addAll(filtered); |
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notifyDataSetChanged(); |
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} |
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} |
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@NonNull |
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private synchronized List<HistoryItem> getFilteredList() { |
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List<HistoryItem> list = new ArrayList<>(5); |
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synchronized (mBookmarks) { |
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synchronized (mHistory) { |
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synchronized (mSuggestions) { |
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Iterator<HistoryItem> bookmark = mBookmarks.iterator(); |
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Iterator<HistoryItem> history = mHistory.iterator(); |
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Iterator<HistoryItem> suggestion = mSuggestions.listIterator(); |
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while (list.size() < MAX_SUGGESTIONS) { |
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if (!bookmark.hasNext() && !suggestion.hasNext() && !history.hasNext()) { |
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return list; |
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} |
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if (bookmark.hasNext()) { |
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list.add(bookmark.next()); |
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} |
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if (suggestion.hasNext() && list.size() < MAX_SUGGESTIONS) { |
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list.add(suggestion.next()); |
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} |
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if (history.hasNext() && list.size() < MAX_SUGGESTIONS) { |
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list.add(history.next()); |
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} |
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} |
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} |
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} |
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} |
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return list; |
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} |
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private static class SuggestionsComparator implements Comparator<HistoryItem> { |
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@Override |
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public int compare(@NonNull HistoryItem lhs, @NonNull HistoryItem rhs) { |
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if (lhs.getImageId() == rhs.getImageId()) return 0; |
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if (lhs.getImageId() == R.drawable.ic_bookmark) return -1; |
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if (rhs.getImageId() == R.drawable.ic_bookmark) return 1; |
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if (lhs.getImageId() == R.drawable.ic_history) return -1; |
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return 1; |
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} |
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} |
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}
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