135 lines
3.5 KiB
C#
135 lines
3.5 KiB
C#
/*
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This file is part of Keepass2Android, Copyright 2013 Philipp Crocoll. This file is based on Keepassdroid, Copyright Brian Pellin.
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Keepass2Android is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Keepass2Android is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Keepass2Android. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System.Collections.Generic;
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using Android.Widget;
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using Android.Graphics.Drawables;
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using Android.Content.Res;
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using KeePassLib;
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using Android.Graphics;
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namespace keepass2android
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{
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/// <summary>
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/// Factory to create password icons
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/// </summary>
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public class DrawableFactory: IDrawableFactory
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{
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private static Drawable _blank;
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private static int _blankWidth = -1;
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private static int _blankHeight = -1;
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/** customIconMap
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* Cache for icon drawable.
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* Keys: UUID, Values: Drawables
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*/
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private readonly Dictionary<PwUuid, Drawable> _customIconMap = new Dictionary<PwUuid, Drawable>(new PwUuidEqualityComparer());
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/** standardIconMap
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* Cache for icon drawable.
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* Keys: Integer, Values: Drawables
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*/
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private readonly Dictionary<int/*resId*/, Drawable> _standardIconMap = new Dictionary<int, Drawable>();
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public void AssignDrawableTo (ImageView iv, Resources res, PwDatabase db, PwIcon icon, PwUuid customIconId)
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{
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Drawable draw = GetIconDrawable (res, db, icon, customIconId);
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iv.SetImageDrawable (draw);
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}
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public Drawable GetIconDrawable (Resources res, PwDatabase db, PwIcon icon, PwUuid customIconId)
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{
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if (!customIconId.Equals(PwUuid.Zero)) {
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return GetIconDrawable (res, db, customIconId);
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}
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return GetIconDrawable (res, icon);
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}
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private static void InitBlank (Resources res)
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{
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if (_blank == null) {
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_blank = res.GetDrawable (Resource.Drawable.ic99_blank);
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_blankWidth = _blank.IntrinsicWidth;
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_blankHeight = _blank.IntrinsicHeight;
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}
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}
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public Drawable GetIconDrawable (Resources res, PwIcon icon)
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{
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int resId = Icons.IconToResId (icon);
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Drawable draw;
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if (!_standardIconMap.TryGetValue(resId, out draw))
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{
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draw = res.GetDrawable(resId);
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_standardIconMap[resId] = draw;
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}
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return draw;
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}
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public Drawable GetIconDrawable (Resources res, PwDatabase db, PwUuid icon)
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{
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InitBlank (res);
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if (icon.Equals(PwUuid.Zero)) {
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return _blank;
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}
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Drawable draw;
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if (!_customIconMap.TryGetValue(icon, out draw))
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{
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Bitmap bitmap = db.GetCustomIcon(icon);
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// Could not understand custom icon
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if (bitmap == null) {
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return _blank;
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}
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bitmap = resize (bitmap);
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draw = new BitmapDrawable(res, bitmap);
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_customIconMap[icon] = draw;
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}
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return draw;
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}
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/** Resize the custom icon to match the built in icons
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* @param bitmap
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* @return
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*/
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private Bitmap resize (Bitmap bitmap)
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{
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int width = bitmap.Width;
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int height = bitmap.Height;
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if (width == _blankWidth && height == _blankHeight) {
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return bitmap;
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}
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return Bitmap.CreateScaledBitmap (bitmap, _blankWidth, _blankHeight, true);
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}
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public void Clear ()
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{
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_standardIconMap.Clear ();
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_customIconMap.Clear ();
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}
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}
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}
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