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Refactor KeyPreviewDrawParams a bit 

Change-Id: Ia1a2c5cd882c2524a2e2f02ae052f0404061b2f7
main
Tadashi G. Takaoka 2014-02-04 12:37:17 +09:00
parent 96aee22e7b
commit 992c521909
3 changed files with 59 additions and 27 deletions
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28
java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
View File

@ -162,13 +162,11 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
// Key preview
private static final boolean FADE_OUT_KEY_TOP_LETTER_WHEN_KEY_IS_PRESSED = false;
private final int mKeyPreviewLayoutId;
private final int mKeyPreviewOffset;
private final int mKeyPreviewHeight;
// Free {@link TextView} pool that can be used for key preview.
private final ArrayDeque<TextView> mFreeKeyPreviewTextViews = CollectionUtils.newArrayDeque();
// Map from {@link Key} to {@link TextView} that is currently being displayed as key preview.
private final HashMap<Key,TextView> mShowingKeyPreviewTextViews = CollectionUtils.newHashMap();
private final KeyPreviewDrawParams mKeyPreviewDrawParams = new KeyPreviewDrawParams();
private final KeyPreviewDrawParams mKeyPreviewDrawParams;
private boolean mShowKeyPreviewPopup = true;
private int mKeyPreviewLingerTimeout;
private int mKeyPreviewZoomInDuration;
@ -267,10 +265,7 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
final int altCodeKeyWhileTypingFadeinAnimatorResId = mainKeyboardViewAttr.getResourceId(
R.styleable.MainKeyboardView_altCodeKeyWhileTypingFadeinAnimator, 0);
mKeyPreviewOffset = mainKeyboardViewAttr.getDimensionPixelOffset(
R.styleable.MainKeyboardView_keyPreviewOffset, 0);
mKeyPreviewHeight = mainKeyboardViewAttr.getDimensionPixelSize(
R.styleable.MainKeyboardView_keyPreviewHeight, 0);
mKeyPreviewDrawParams = new KeyPreviewDrawParams(mainKeyboardViewAttr);
mKeyPreviewLingerTimeout = mainKeyboardViewAttr.getInt(
R.styleable.MainKeyboardView_keyPreviewLingerTimeout, 0);
mKeyPreviewLayoutId = mainKeyboardViewAttr.getResourceId(
@ -564,7 +559,7 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
final KeyPreviewDrawParams previewParams = mKeyPreviewDrawParams;
final Keyboard keyboard = getKeyboard();
if (!mShowKeyPreviewPopup) {
previewParams.mPreviewVisibleOffset = -keyboard.mVerticalGap;
previewParams.setVisibleOffset(-keyboard.mVerticalGap);
return;
}
@ -591,17 +586,8 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
final int keyDrawWidth = key.getDrawWidth();
final int previewWidth = previewTextView.getMeasuredWidth();
final int previewHeight = mKeyPreviewHeight;
// The width and height of visible part of the key preview background. The content marker
// of the background 9-patch have to cover the visible part of the background.
previewParams.mPreviewVisibleWidth = previewWidth - previewTextView.getPaddingLeft()
- previewTextView.getPaddingRight();
previewParams.mPreviewVisibleHeight = previewHeight - previewTextView.getPaddingTop()
- previewTextView.getPaddingBottom();
// The distance between the top edge of the parent key and the bottom of the visible part
// of the key preview background.
previewParams.mPreviewVisibleOffset =
mKeyPreviewOffset - previewTextView.getPaddingBottom();
final int previewHeight = previewParams.mKeyPreviewHeight;
previewParams.setGeometry(previewTextView);
getLocationInWindow(mOriginCoords);
// The key preview is horizontally aligned with the center of the visible part of the
// parent key. If it doesn't fit in this {@link KeyboardView}, it is moved inward to fit and
@ -620,7 +606,7 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
}
// The key preview is placed vertically above the top edge of the parent key with an
// arbitrary offset.
final int previewY = key.getY() - previewHeight + mKeyPreviewOffset
final int previewY = key.getY() - previewHeight + previewParams.mKeyPreviewOffset
+ CoordinateUtils.y(mOriginCoords);
if (background != null) {
@ -914,7 +900,7 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
// aligned with the bottom edge of the visible part of the key preview.
// {@code mPreviewVisibleOffset} has been set appropriately in
// {@link KeyboardView#showKeyPreview(PointerTracker)}.
final int pointY = key.getY() + mKeyPreviewDrawParams.mPreviewVisibleOffset;
final int pointY = key.getY() + mKeyPreviewDrawParams.getVisibleOffset();
moreKeysPanel.showMoreKeysPanel(this, this, pointX, pointY, mKeyboardActionListener);
tracker.onShowMoreKeysPanel(moreKeysPanel);
// TODO: Implement zoom in animation of more keys panel.

6
java/src/com/android/inputmethod/keyboard/MoreKeysKeyboard.java
View File

@ -285,7 +285,7 @@ public final class MoreKeysKeyboard extends Keyboard {
// {@link MoreKeysKeyboardParams#setParameters(int,int,int,int,int,int,boolean,int)}.
final boolean singleMoreKeyWithPreview = parentKeyboardView.isKeyPreviewPopupEnabled()
&& !parentKey.noKeyPreview() && moreKeys.length == 1
&& keyPreviewDrawParams.mPreviewVisibleWidth > 0;
&& keyPreviewDrawParams.getVisibleWidth() > 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.
@ -294,8 +294,8 @@ public final class MoreKeysKeyboard extends Keyboard {
// left/right/top paddings. The bottom paddings of both backgrounds don't need to
// be considered because the vertical positions of both backgrounds were already
// adjusted with their bottom paddings deducted.
width = keyPreviewDrawParams.mPreviewVisibleWidth;
height = keyPreviewDrawParams.mPreviewVisibleHeight + mParams.mVerticalGap;
width = keyPreviewDrawParams.getVisibleWidth();
height = keyPreviewDrawParams.getVisibleHeight() + mParams.mVerticalGap;
} else {
final float padding = context.getResources().getDimension(
R.dimen.config_more_keys_keyboard_key_horizontal_padding)

52
java/src/com/android/inputmethod/keyboard/internal/KeyPreviewDrawParams.java
View File

@ -16,7 +16,16 @@
package com.android.inputmethod.keyboard.internal;
import android.content.res.TypedArray;
import android.view.View;
import com.android.inputmethod.latin.R;
public final class KeyPreviewDrawParams {
// XML attributes of {@link MainKeyboardView}.
public final int mKeyPreviewOffset;
public final int mKeyPreviewHeight;
// The graphical geometry of the key preview.
// <-width->
// +-------+ ^
@ -34,11 +43,48 @@ public final class KeyPreviewDrawParams {
// paddings. To align the more keys keyboard panel's visible part with the visible part of
// the background, we need to record the width and height of key preview that don't include
// invisible paddings.
public int mPreviewVisibleWidth;
public int mPreviewVisibleHeight;
private int mVisibleWidth;
private int mVisibleHeight;
// The key preview may have an arbitrary offset and its background that may have a bottom
// padding. To align the more keys keyboard and the key preview we also need to record the
// offset between the top edge of parent key and the bottom of the visible part of key
// preview background.
public int mPreviewVisibleOffset;
private int mVisibleOffset;
public KeyPreviewDrawParams(final TypedArray mainKeyboardViewAttr) {
mKeyPreviewOffset = mainKeyboardViewAttr.getDimensionPixelOffset(
R.styleable.MainKeyboardView_keyPreviewOffset, 0);
mKeyPreviewHeight = mainKeyboardViewAttr.getDimensionPixelSize(
R.styleable.MainKeyboardView_keyPreviewHeight, 0);
}
public void setVisibleOffset(final int previewVisibleOffset) {
mVisibleOffset = previewVisibleOffset;
}
public int getVisibleOffset() {
return mVisibleOffset;
}
public void setGeometry(final View previewTextView) {
final int previewWidth = previewTextView.getMeasuredWidth();
final int previewHeight = mKeyPreviewHeight;
// The width and height of visible part of the key preview background. The content marker
// of the background 9-patch have to cover the visible part of the background.
mVisibleWidth = previewWidth - previewTextView.getPaddingLeft()
- previewTextView.getPaddingRight();
mVisibleHeight = previewHeight - previewTextView.getPaddingTop()
- previewTextView.getPaddingBottom();
// The distance between the top edge of the parent key and the bottom of the visible part
// of the key preview background.
setVisibleOffset(mKeyPreviewOffset - previewTextView.getPaddingBottom());
}
public int getVisibleWidth() {
return mVisibleWidth;
}
public int getVisibleHeight() {
return mVisibleHeight;
}
}