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Code Issues Releases Wiki Activity

Merge pull request #353 from sfuhrm/gmail-style-user-pics

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Gmail style user pics, 2nd try

* sfuhrm/gmail-style-user-pics:
  Changed the fallback char from 'K' to '?'. The riddler was here ;).
  Using Android proposed colors as contact color palette now: http://developer.android.com/design/style/color.html
  Fixed NPE found by blackbox87 ... thanks pal!
  Added more finer characters as proposed by cketti
  Caching also the calculated anonymous bitmap as proposed by maniac103. This removes a lot of code for special handling unknown contacts.
  Bugfix for negative modulo result indexing the palette array
  Changed hash based color calc to a hash indexed palette as discussed in the pull request.
  GMail-app-style generated colorful one-letter contact pictures for pictureless contacts

Conflicts:
	src/com/fsck/k9/activity/misc/ContactPictureLoader.java
	src/com/fsck/k9/fragment/MessageListFragment.java
This commit is contained in:
Jesse Vincent 2013-07-30 21:43:21 -04:00
commit 2ba84bceaa
2 changed files with 54 additions and 85 deletions
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119
src/com/fsck/k9/activity/misc/ContactPictureLoader.java
View File

@ -33,17 +33,6 @@ public class ContactPictureLoader {
*/
private static final int PICTURE_SIZE = 40;
/**
* Maximum number of email addresses to store in {@link #mUnknownContactsCache}.
*/
private static final int MAX_UNKNOWN_CONTACTS = 1000;
/**
* Used as lightweight dummy value for entries in {@link #mUnknownContactsCache}.
*/
private static final int[] DUMMY_INT_ARRAY = new int[0];
private ContentResolver mContentResolver;
private Resources mResources;
private Contacts mContactsHelper;
@ -55,18 +44,20 @@ public class ContactPictureLoader {
private final LruCache<String, Bitmap> mBitmapCache;
/**
* LRU cache of email addresses that don't belong to a contact we have a picture for.
*
* <p>
* We don't store the default picture for unknown contacts or contacts without a picture in
* {@link #mBitmapCache}, because that would lead to an unnecessarily complex implementation of
* the {@code LruCache.sizeOf()} method. Instead, we save the email addresses we know don't
* belong to one of our contacts with a picture. Knowing this, we can avoid querying the
* contacts database for those addresses and immediately return the default picture.
* </p>
* @see <a href="http://developer.android.com/design/style/color.html">Color palette used</a>
*/
private final LruCache<String, int[]> mUnknownContactsCache;
private final static int CONTACT_DUMMY_COLORS_ARGB[] = {
0xff33B5E5,
0xffAA66CC,
0xff99CC00,
0xffFFBB33,
0xffFF4444,
0xff0099CC,
0xff9933CC,
0xff669900,
0xffFF8800,
0xffCC0000
};
public ContactPictureLoader(Context context, int defaultPictureResource) {
Context appContext = context.getApplicationContext();
@ -95,8 +86,6 @@ public class ContactPictureLoader {
return bitmap.getRowBytes() * bitmap.getHeight();
}
};
mUnknownContactsCache = new LruCache<String, int[]>(MAX_UNKNOWN_CONTACTS);
}
/**
@ -120,15 +109,11 @@ public class ContactPictureLoader {
* @see #mUnknownContactsCache
*/
public void loadContactPicture(Address address, QuickContactBadge badge) {
String email = address.getAddress();
String email = address.getAddress();
Bitmap bitmap = getBitmapFromCache(email);
if (bitmap != null) {
// The picture was found in the bitmap cache
badge.setImageBitmap(bitmap);
} else if (isEmailInUnknownContactsCache(email)) {
// This email address doesn't belong to a contact we have a picture for. Use the
// default picture.
badge.setImageBitmap(calculateFallbackBitmap(address));
} else if (cancelPotentialWork(email, badge)) {
// Query the contacts database in a background thread and try to load the contact
// picture, if there is one.
@ -145,54 +130,49 @@ public class ContactPictureLoader {
}
private int calcUnknownContactColor(Address address) {
int val = address.getAddress().toLowerCase().hashCode();
int rgb =
(0xff) << 24 |
(~val & 0xff) << 16 |
(val & 0xff) << 8 |
(val>>>8 & 0xff);
return rgb;
int val = address.getAddress().toLowerCase().hashCode();
int rgb = CONTACT_DUMMY_COLORS_ARGB[Math.abs(val) % CONTACT_DUMMY_COLORS_ARGB.length];
return rgb;
}
private char calcUnknownContactLetter(Address address) {
String letter = "";
Pattern p = Pattern.compile("[^a-zA-Z]*([a-zA-Z]).*");
String str = address.getPersonal() != null ? address.getPersonal() : address.getAddress();
Matcher m = p.matcher(str);
if (m.matches()) {
letter = m.group(1).toUpperCase();
}
String letter = "";
Pattern p = Pattern.compile("[^a-zA-Z]*([a-zA-Z]).*");
String str = address.getPersonal() != null ? address.getPersonal() : address.getAddress();
Matcher m = p.matcher(str);
if (m.matches()) {
letter = m.group(1).toUpperCase();
}
return letter.length() == 0 ? 'K' : letter.charAt(0);
return letter.length() == 0 ? '?' : letter.charAt(0);
}
/** Calculates a bitmap with a color and a capital letter for
* contacts without picture.
* */
private Bitmap calculateFallbackBitmap(Address address) {
Bitmap result = Bitmap.createBitmap(mPictureSizeInPx, mPictureSizeInPx, Bitmap.Config.ARGB_8888);
Bitmap result = Bitmap.createBitmap(mPictureSizeInPx, mPictureSizeInPx, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(result);
Canvas canvas = new Canvas(result);
int rgb = calcUnknownContactColor(address);
result.eraseColor(rgb);
int rgb = calcUnknownContactColor(address);
result.eraseColor(rgb);
String letter = Character.toString(calcUnknownContactLetter(address));
String letter = Character.toString(calcUnknownContactLetter(address));
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setStyle(Paint.Style.FILL);
paint.setARGB(255, 255, 255, 255);
paint.setFakeBoldText(true);
paint.setTextSize(mPictureSizeInPx);
Rect rect = new Rect();
paint.getTextBounds(letter, 0, 1, rect);
float width = paint.measureText(letter);
canvas.drawText(letter,
mPictureSizeInPx/2f-width/2f,
mPictureSizeInPx/2f+rect.height()/2f, paint);
Paint paint = new Paint();
paint.setAntiAlias(true);
paint.setStyle(Paint.Style.FILL);
paint.setARGB(255, 255, 255, 255);
paint.setTextSize(mPictureSizeInPx * 3 / 4); // just scale this down a bit
Rect rect = new Rect();
paint.getTextBounds(letter, 0, 1, rect);
float width = paint.measureText(letter);
canvas.drawText(letter,
mPictureSizeInPx/2f-width/2f,
mPictureSizeInPx/2f+rect.height()/2f, paint);
return result;
return result;
}
private void addBitmapToCache(String key, Bitmap bitmap) {
@ -205,16 +185,6 @@ public class ContactPictureLoader {
return mBitmapCache.get(key);
}
private void addEmailToUnknownContactsCache(String key) {
if (!isEmailInUnknownContactsCache(key)) {
mUnknownContactsCache.put(key, DUMMY_INT_ARRAY);
}
}
private boolean isEmailInUnknownContactsCache(String key) {
return mUnknownContactsCache.get(key) != null;
}
/**
* Checks if a {@code ContactPictureRetrievalTask} was already created to load the contact
* picture for the supplied email address.
@ -313,10 +283,9 @@ public class ContactPictureLoader {
}
if (bitmap == null) {
bitmap = calculateFallbackBitmap(mAddress);
bitmap = calculateFallbackBitmap(mAddress);
// Remember that we don't have a contact picture for this email address
addEmailToUnknownContactsCache(email);
addBitmapToCache(email, bitmap);
} else {
// Save the picture of the contact with that email address in the memory cache
addBitmapToCache(email, bitmap);

2
src/com/fsck/k9/fragment/MessageListFragment.java
View File

@ -1923,8 +1923,8 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
holder.position = cursor.getPosition();
if (holder.contactBadge != null) {
holder.contactBadge.assignContactFromEmail(counterpartyAddress.getAddress(), true);
if (counterpartyAddress != null) {
holder.contactBadge.assignContactFromEmail(counterpartyAddress.getAddress(), true);
/*
* At least in Android 2.2 a different background + padding is used when no
* email address is available. ListView reuses the views but QuickContactBadge