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Replaced the regex gunk in the composer with something more readable and more reliable.

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Also, put in a fix for a crash related to failing while loading the vector image for the media picker button.
This commit is contained in:
Vavassor 2017-02-13 21:46:25 -05:00
parent 22a2a31afe
commit f14973a6d4
6 changed files with 54 additions and 46 deletions
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85
app/src/main/java/com/keylesspalace/tusky/ComposeActivity.java
View File

@ -87,7 +87,6 @@ public class ComposeActivity extends AppCompatActivity {
private static final int STATUS_MEDIA_SIZE_LIMIT = 4000000; // 4MB
private static final int MEDIA_PICK_RESULT = 1;
private static final int PERMISSIONS_REQUEST_READ_EXTERNAL_STORAGE = 1;
private static final Pattern mentionPattern = Pattern.compile("\\B@[^\\s@]+@?[^\\s@]+");
private String inReplyToId;
private String domain;
@ -175,9 +174,37 @@ public class ComposeActivity extends AppCompatActivity {
Snackbar.make(findViewById(R.id.activity_compose), stringId, Snackbar.LENGTH_LONG).show();
}
private static class Interval {
public int start;
public int end;
private static int findStartOfMention(String string, int fromIndex) {
final int length = string.length();
while (fromIndex < length) {
int at = string.indexOf('@', fromIndex);
if (at < 0) {
break;
} else if (at == 0 || at >= 1 && Character.isWhitespace(string.codePointBefore(at))) {
return at;
} else {
fromIndex = at + 1;
}
}
return -1;
}
private static int findEndOfMention(String string, int fromIndex) {
int atCount = 0;
final int length = string.length();
for (int i = fromIndex; i < length; ) {
int codepoint = string.codePointAt(i);
if (Character.isWhitespace(codepoint)) {
return i;
} else if (codepoint == '@') {
atCount += 1;
if (atCount > 2) {
return -1;
}
}
i += Character.charCount(codepoint);
}
return length;
}
private static void colourMentions(Spannable text, int colour) {
@ -187,44 +214,20 @@ public class ComposeActivity extends AppCompatActivity {
for (int i = oldSpans.length - 1; i >= 0; i--) {
text.removeSpan(oldSpans[i]);
}
// Match a list of new colour spans.
List<Interval> intervals = new ArrayList<>();
Matcher matcher = mentionPattern.matcher(text);
while (matcher.find()) {
Interval interval = new Interval();
interval.start = matcher.start();
interval.end = matcher.end();
intervals.add(interval);
}
// Make sure intervals don't overlap.
Collections.sort(intervals, new Comparator<Interval>() {
@Override
public int compare(Interval a, Interval b) {
return a.start - b.start;
// Colour the mentions.
String string = text.toString();
int start;
int end = 0;
while (end < n) {
start = findStartOfMention(string, end);
if (start < 0 || start >= n) {
break;
}
});
for (int i = 0, j = 0; i < intervals.size() - 1; i++, j++) {
if (j != 0) {
Interval a = intervals.get(j - 1);
Interval b = intervals.get(i);
if (a.start <= b.end) {
while (j != 0 && a.start <= b.end) {
a = intervals.get(j - 1);
b = intervals.get(i);
a.end = Math.max(a.end, b.end);
a.start = Math.min(a.start, b.start);
j--;
}
} else {
intervals.set(j, b);
}
} else {
intervals.set(j, intervals.get(i));
end = findEndOfMention(string, start);
if (end < 0) {
break;
}
}
// Finally, set the spans.
for (Interval interval : intervals) {
text.setSpan(new ForegroundColorSpan(colour), interval.start, interval.end,
text.setSpan(new ForegroundColorSpan(colour), start, end,
Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
}
}
@ -508,10 +511,12 @@ public class ComposeActivity extends AppCompatActivity {
private void enableMediaPicking() {
mediaPick.setEnabled(true);
mediaPick.setImageResource(R.drawable.ic_media);
}
private void disableMediaPicking() {
mediaPick.setEnabled(false);
mediaPick.setImageResource(R.drawable.ic_media_disabled);
}
private void addMediaToQueue(QueuedMedia.Type type, Bitmap preview, Uri uri, long mediaSize) {

5
app/src/main/res/color/media_button_dark.xml Normal file
View File

@ -0,0 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:color="#8F8F8F" android:state_enabled="false" />
<item android:color="#FFFFFF" />
</selector>

5
app/src/main/res/drawable/media_selector.xml
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@ -1,5 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_enabled="true" android:drawable="@drawable/ic_media" />
<item android:state_enabled="false" android:drawable="@drawable/ic_media_disabled" />
</selector>

3
app/src/main/res/layout/activity_compose.xml
View File

@ -14,8 +14,9 @@
<ImageButton
android:layout_width="48dp"
android:layout_height="48dp"
app:srcCompat="@drawable/media_selector"
app:srcCompat="@drawable/ic_media"
style="?attr/image_button_style"
android:tint="?attr/compose_media_button_tint"
android:id="@+id/compose_photo_pick"
android:layout_marginLeft="8dp" />

1
app/src/main/res/values/attrs.xml
View File

@ -21,5 +21,6 @@
<attr name="status_divider_color" format="reference|color" />
<attr name="tab_page_margin_color" format="reference|color" />
<attr name="account_header_background_color" format="reference|color" />
<attr name="compose_media_button_tint" format="reference|color" />
</resources>

1
app/src/main/res/values/styles.xml
View File

@ -29,6 +29,7 @@
<item name="status_divider_color">@color/status_divider_dark</item>
<item name="tab_page_margin_color">@color/tab_page_margin_dark</item>
<item name="account_header_background_color">@color/account_header_background_dark</item>
<item name="compose_media_button_tint">@color/media_button_dark</item>
</style>
<style name="AppTheme.ImageButton.Dark" parent="@style/Widget.AppCompat.Button.Borderless.Colored">