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Merge "Fix possible divided by zeror error"

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This commit is contained in:
Tadashi G. Takaoka 2013-06-24 08:44:17 +00:00 committed by Android (Google) Code Review
commit fadff6ada1
1 changed files with 7 additions and 13 deletions
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20
java/src/com/android/inputmethod/keyboard/MoreKeysKeyboard.java
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@ -279,8 +279,14 @@ public final class MoreKeysKeyboard extends Keyboard {
mParentKey = parentKey;
final int width, height;
// {@link KeyPreviewDrawParams#mPreviewVisibleWidth} should have been set at
// {@link MainKeyboardView#showKeyPreview(PointerTracker}, though there may be
// some chances that the value is zero. <code>width == 0</code> will cause
// zero-division error at
// {@link MoreKeysKeyboardParams#setParameters(int,int,int,int,int,int,boolean,int)}.
final boolean singleMoreKeyWithPreview = parentKeyboardView.isKeyPreviewPopupEnabled()
&& !parentKey.noKeyPreview() && parentKey.mMoreKeys.length == 1;
&& !parentKey.noKeyPreview() && parentKey.mMoreKeys.length == 1
&& keyPreviewDrawParams.mPreviewVisibleWidth > 0;
if (singleMoreKeyWithPreview) {
// Use pre-computed width and height if this more keys keyboard has only one key to
// mitigate visual flicker between key preview and more keys keyboard.
@ -291,22 +297,10 @@ public final class MoreKeysKeyboard extends Keyboard {
// adjusted with their bottom paddings deducted.
width = keyPreviewDrawParams.mPreviewVisibleWidth;
height = keyPreviewDrawParams.mPreviewVisibleHeight + mParams.mVerticalGap;
// TODO: Remove this check.
if (width == 0) {
throw new IllegalArgumentException(
"Zero width key detected: " + parentKey + " in " + parentKeyboard.mId);
}
} else {
width = getMaxKeyWidth(parentKeyboardView, parentKey, mParams.mDefaultKeyWidth,
context.getResources());
height = parentKeyboard.mMostCommonKeyHeight;
// TODO: Remove this check.
if (width == 0) {
throw new IllegalArgumentException(
"Zero width calculated: " + parentKey
+ " moreKeys=" + java.util.Arrays.toString(parentKey.mMoreKeys)
+ " in " + parentKeyboard.mId);
}
}
final int dividerWidth;
if (parentKey.needsDividersInMoreKeys()) {