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-rw-r--r--src/eu/siacs/conversations/services/AvatarService.java292
1 files changed, 292 insertions, 0 deletions
diff --git a/src/eu/siacs/conversations/services/AvatarService.java b/src/eu/siacs/conversations/services/AvatarService.java
new file mode 100644
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--- /dev/null
+++ b/src/eu/siacs/conversations/services/AvatarService.java
@@ -0,0 +1,292 @@
+package eu.siacs.conversations.services;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+import eu.siacs.conversations.entities.Account;
+import eu.siacs.conversations.entities.Bookmark;
+import eu.siacs.conversations.entities.Contact;
+import eu.siacs.conversations.entities.Conversation;
+import eu.siacs.conversations.entities.ListItem;
+import eu.siacs.conversations.entities.MucOptions;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.Typeface;
+import android.net.Uri;
+
+public class AvatarService {
+
+ private static final int FG_COLOR = 0xFFFAFAFA;
+ private static final int TRANSPARENT = 0x00000000;
+
+ private static final String PREFIX_CONTACT = "contact";
+ private static final String PREFIX_CONVERSATION = "conversation";
+ private static final String PREFIX_ACCOUNT = "account";
+ private static final String PREFIX_GENERIC = "generic";
+
+ private ArrayList<Integer> sizes = new ArrayList<Integer>();
+
+ protected XmppConnectionService mXmppConnectionService = null;
+
+ public AvatarService(XmppConnectionService service) {
+ this.mXmppConnectionService = service;
+ }
+
+ public Bitmap get(Contact contact, int size) {
+ final String KEY = key(contact, size);
+ Bitmap avatar = this.mXmppConnectionService.getBitmapCache().get(KEY);
+ if (avatar != null) {
+ return avatar;
+ }
+ avatar = mXmppConnectionService.getFileBackend().getAvatar(
+ contact.getAvatar(), size);
+ if (avatar == null) {
+ if (contact.getProfilePhoto() != null) {
+ avatar = mXmppConnectionService.getFileBackend()
+ .cropCenterSquare(Uri.parse(contact.getProfilePhoto()),
+ size);
+ if (avatar == null) {
+ avatar = get(contact.getDisplayName(), size);
+ }
+ } else {
+ avatar = get(contact.getDisplayName(), size);
+ }
+ }
+ this.mXmppConnectionService.getBitmapCache().put(KEY, avatar);
+ return avatar;
+ }
+
+ public void clear(Contact contact) {
+ for (Integer size : sizes) {
+ this.mXmppConnectionService.getBitmapCache().remove(
+ key(contact, size));
+ }
+ }
+
+ private String key(Contact contact, int size) {
+ synchronized (this.sizes) {
+ if (!this.sizes.contains(size)) {
+ this.sizes.add(size);
+ }
+ }
+ return PREFIX_CONTACT + "_" + contact.getAccount().getJid() + "_"
+ + contact.getJid() + "_" + String.valueOf(size);
+ }
+
+ public Bitmap get(ListItem item, int size) {
+ if (item instanceof Contact) {
+ return get((Contact) item, size);
+ } else if (item instanceof Bookmark) {
+ Bookmark bookmark = (Bookmark) item;
+ if (bookmark.getConversation() != null) {
+ return get(bookmark.getConversation(), size);
+ } else {
+ return get(bookmark.getDisplayName(), size);
+ }
+ } else {
+ return get(item.getDisplayName(), size);
+ }
+ }
+
+ public Bitmap get(Conversation conversation, int size) {
+ if (conversation.getMode() == Conversation.MODE_SINGLE) {
+ return get(conversation.getContact(), size);
+ } else {
+ return get(conversation.getMucOptions(), size);
+ }
+ }
+
+ public void clear(Conversation conversation) {
+ if (conversation.getMode() == Conversation.MODE_SINGLE) {
+ clear(conversation.getContact());
+ } else {
+ clear(conversation.getMucOptions());
+ }
+ }
+
+ public Bitmap get(MucOptions mucOptions, int size) {
+ final String KEY = key(mucOptions, size);
+ Bitmap bitmap = this.mXmppConnectionService.getBitmapCache().get(KEY);
+ if (bitmap != null) {
+ return bitmap;
+ }
+ List<MucOptions.User> users = mucOptions.getUsers();
+ int count = users.size();
+ bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
+ Canvas canvas = new Canvas(bitmap);
+ bitmap.eraseColor(TRANSPARENT);
+
+ if (count == 0) {
+ String name = mucOptions.getConversation().getName();
+ String letter = name.substring(0, 1);
+ int color = this.getColorForName(name);
+ drawTile(canvas, letter, color, 0, 0, size, size);
+ } else if (count == 1) {
+ drawTile(canvas, users.get(0), 0, 0, size, size);
+ } else if (count == 2) {
+ drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size);
+ drawTile(canvas, users.get(1), size / 2 + 1, 0, size, size);
+ } else if (count == 3) {
+ drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size);
+ drawTile(canvas, users.get(1), size / 2 + 1, 0, size, size / 2 - 1);
+ drawTile(canvas, users.get(2), size / 2 + 1, size / 2 + 1, size,
+ size);
+ } else if (count == 4) {
+ drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size / 2 - 1);
+ drawTile(canvas, users.get(1), 0, size / 2 + 1, size / 2 - 1, size);
+ drawTile(canvas, users.get(2), size / 2 + 1, 0, size, size / 2 - 1);
+ drawTile(canvas, users.get(3), size / 2 + 1, size / 2 + 1, size,
+ size);
+ } else {
+ drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size / 2 - 1);
+ drawTile(canvas, users.get(1), 0, size / 2 + 1, size / 2 - 1, size);
+ drawTile(canvas, users.get(2), size / 2 + 1, 0, size, size / 2 - 1);
+ drawTile(canvas, "\u2026", 0xFF202020, size / 2 + 1, size / 2 + 1,
+ size, size);
+ }
+ this.mXmppConnectionService.getBitmapCache().put(KEY, bitmap);
+ return bitmap;
+ }
+
+ public void clear(MucOptions options) {
+ for (Integer size : sizes) {
+ this.mXmppConnectionService.getBitmapCache().remove(
+ key(options, size));
+ }
+ }
+
+ private String key(MucOptions options, int size) {
+ synchronized (this.sizes) {
+ if (!this.sizes.contains(size)) {
+ this.sizes.add(size);
+ }
+ }
+ return PREFIX_CONVERSATION + "_" + options.getConversation().getUuid()
+ + "_" + String.valueOf(size);
+ }
+
+ public Bitmap get(Account account, int size) {
+ final String KEY = key(account, size);
+ Bitmap avatar = mXmppConnectionService.getBitmapCache().get(KEY);
+ if (avatar != null) {
+ return avatar;
+ }
+ avatar = mXmppConnectionService.getFileBackend().getAvatar(
+ account.getAvatar(), size);
+ if (avatar == null) {
+ avatar = get(account.getJid(), size);
+ }
+ mXmppConnectionService.getBitmapCache().put(KEY, avatar);
+ return avatar;
+ }
+
+ public void clear(Account account) {
+ for (Integer size : sizes) {
+ this.mXmppConnectionService.getBitmapCache().remove(
+ key(account, size));
+ }
+ }
+
+ private String key(Account account, int size) {
+ synchronized (this.sizes) {
+ if (!this.sizes.contains(size)) {
+ this.sizes.add(size);
+ }
+ }
+ return PREFIX_ACCOUNT + "_" + account.getUuid() + "_"
+ + String.valueOf(size);
+ }
+
+ public Bitmap get(String name, int size) {
+ final String KEY = key(name, size);
+ Bitmap bitmap = mXmppConnectionService.getBitmapCache().get(KEY);
+ if (bitmap != null) {
+ return bitmap;
+ }
+ bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
+ Canvas canvas = new Canvas(bitmap);
+ String letter = name.substring(0, 1);
+ int color = this.getColorForName(name);
+ drawTile(canvas, letter, color, 0, 0, size, size);
+ mXmppConnectionService.getBitmapCache().put(KEY, bitmap);
+ return bitmap;
+ }
+
+ private String key(String name, int size) {
+ synchronized (this.sizes) {
+ if (!this.sizes.contains(size)) {
+ this.sizes.add(size);
+ }
+ }
+ return PREFIX_GENERIC + "_" + name + "_" + String.valueOf(size);
+ }
+
+ private void drawTile(Canvas canvas, String letter, int tileColor,
+ int left, int top, int right, int bottom) {
+ letter = letter.toUpperCase(Locale.getDefault());
+ Paint tilePaint = new Paint(), textPaint = new Paint();
+ tilePaint.setColor(tileColor);
+ textPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
+ textPaint.setColor(FG_COLOR);
+ textPaint.setTypeface(Typeface.create("sans-serif-light",
+ Typeface.NORMAL));
+ textPaint.setTextSize((float) ((right - left) * 0.8));
+ Rect rect = new Rect();
+
+ canvas.drawRect(new Rect(left, top, right, bottom), tilePaint);
+ textPaint.getTextBounds(letter, 0, 1, rect);
+ float width = textPaint.measureText(letter);
+ canvas.drawText(letter, (right + left) / 2 - width / 2, (top + bottom)
+ / 2 + rect.height() / 2, textPaint);
+ }
+
+ private void drawTile(Canvas canvas, MucOptions.User user, int left,
+ int top, int right, int bottom) {
+ Contact contact = user.getContact();
+ if (contact != null) {
+ Uri uri = null;
+ if (contact.getAvatar() != null) {
+ uri = mXmppConnectionService.getFileBackend().getAvatarUri(
+ contact.getAvatar());
+ } else if (contact.getProfilePhoto() != null) {
+ uri = Uri.parse(contact.getProfilePhoto());
+ }
+ if (uri != null) {
+ Bitmap bitmap = mXmppConnectionService.getFileBackend()
+ .cropCenter(uri, bottom - top, right - left);
+ if (bitmap != null) {
+ drawTile(canvas, bitmap, left, top, right, bottom);
+ } else {
+ String letter = user.getName().substring(0, 1);
+ int color = this.getColorForName(user.getName());
+ drawTile(canvas, letter, color, left, top, right, bottom);
+ }
+ } else {
+ String letter = user.getName().substring(0, 1);
+ int color = this.getColorForName(user.getName());
+ drawTile(canvas, letter, color, left, top, right, bottom);
+ }
+ } else {
+ String letter = user.getName().substring(0, 1);
+ int color = this.getColorForName(user.getName());
+ drawTile(canvas, letter, color, left, top, right, bottom);
+ }
+ }
+
+ private void drawTile(Canvas canvas, Bitmap bm, int dstleft, int dsttop,
+ int dstright, int dstbottom) {
+ Rect dst = new Rect(dstleft, dsttop, dstright, dstbottom);
+ canvas.drawBitmap(bm, null, dst, null);
+ }
+
+ private int getColorForName(String name) {
+ int holoColors[] = { 0xFFe91e63, 0xFF9c27b0, 0xFF673ab7, 0xFF3f51b5,
+ 0xFF5677fc, 0xFF03a9f4, 0xFF00bcd4, 0xFF009688, 0xFFff5722,
+ 0xFF795548, 0xFF607d8b };
+ return holoColors[(int) ((name.hashCode() & 0xffffffffl) % holoColors.length)];
+ }
+
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 10:16:21 +0000