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Bug 1390791 - Adjust text size in tab counter dynamically. r=nechen,walkingice

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MozReview-Commit-ID: KUDMEJSGOOk

--HG--
extra : rebase_source : f6ddf87aaade749f626b5d9cabfea17b72c54acc
extra : source : 99f15991135ca16f9e245ca2543491988d63d6a4
This commit is contained in:
Jing-wei Wu 2017-08-21 09:27:32 +08:00
parent ed18183009
commit 73d4d1cea9
1 changed files with 21 additions and 0 deletions
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21
mobile/android/app/src/photon/java/org/mozilla/gecko/toolbar/TabCounter.java
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@ -11,6 +11,7 @@ import android.animation.ObjectAnimator;
import android.content.Context;
import android.support.annotation.NonNull;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.LayoutInflater;
import org.mozilla.gecko.R;
@ -30,6 +31,9 @@ public class TabCounter extends ThemedRelativeLayout {
public static final int MAX_VISIBLE_TABS = 99;
public static final String SO_MANY_TABS_OPEN = "∞";
private static final float ONE_DIGIT_SIZE_RATIO = 0.7f;
private static final float TWO_DIGITS_SIZE_RATIO = 0.5f;
public TabCounter(Context context) {
this(context, null);
}
@ -172,6 +176,8 @@ public class TabCounter extends ThemedRelativeLayout {
return;
}
adjustTextSize(count);
text.setText(formatForDisplay(count));
this.count = count;
@ -186,7 +192,22 @@ public class TabCounter extends ThemedRelativeLayout {
return String.valueOf(count);
}
private void adjustTextSize(int newCount) {
final float oldRatio = (this.count < MAX_VISIBLE_TABS && this.count >= 10) ? TWO_DIGITS_SIZE_RATIO : ONE_DIGIT_SIZE_RATIO;
final float newRatio = (newCount < MAX_VISIBLE_TABS && newCount >= 10) ? TWO_DIGITS_SIZE_RATIO : ONE_DIGIT_SIZE_RATIO;
if (this.count == 0 || newRatio != oldRatio) {
final int sizeInPixel = (int) (box.getWidth() * newRatio);
if (sizeInPixel > 0) {
// Only apply the size when we calculate a valid value.
text.setTextSize(TypedValue.COMPLEX_UNIT_PX, sizeInPixel);
}
}
}
void setCount(int count) {
adjustTextSize(count);
text.setText(formatForDisplay(count));
this.count = count;
}