Merge "Move key preview related methods to KeyPreviewChoreographer"
Tadashi G. Takaoka
Android (Google) Code Review
commit
aac53dd7f5
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@ -16,10 +16,7 @@
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package com.android.inputmethod.keyboard;
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import android.animation.Animator;
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import android.animation.AnimatorInflater;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.AnimatorSet;
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import android.animation.ObjectAnimator;
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import android.content.Context;
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import android.content.SharedPreferences;
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@ -35,13 +32,10 @@ import android.preference.PreferenceManager;
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import android.util.AttributeSet;
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import android.util.DisplayMetrics;
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import android.util.Log;
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import android.util.TypedValue;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.animation.AccelerateInterpolator;
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import android.view.animation.DecelerateInterpolator;
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import android.view.inputmethod.InputMethodSubtype;
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import android.widget.TextView;
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@ -53,6 +47,7 @@ import com.android.inputmethod.keyboard.internal.DrawingPreviewPlacerView;
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import com.android.inputmethod.keyboard.internal.GestureFloatingTextDrawingPreview;
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import com.android.inputmethod.keyboard.internal.GestureTrailsDrawingPreview;
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import com.android.inputmethod.keyboard.internal.KeyDrawParams;
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import com.android.inputmethod.keyboard.internal.KeyPreviewChoreographer;
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import com.android.inputmethod.keyboard.internal.KeyPreviewDrawParams;
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import com.android.inputmethod.keyboard.internal.NonDistinctMultitouchHelper;
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import com.android.inputmethod.keyboard.internal.SlidingKeyInputDrawingPreview;
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@ -71,9 +66,6 @@ import com.android.inputmethod.latin.utils.UsabilityStudyLogUtils;
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import com.android.inputmethod.latin.utils.ViewLayoutUtils;
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import com.android.inputmethod.research.ResearchLogger;
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import java.util.ArrayDeque;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.WeakHashMap;
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/**
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@ -161,18 +153,8 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
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// Key preview
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private static final boolean FADE_OUT_KEY_TOP_LETTER_WHEN_KEY_IS_PRESSED = false;
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// Free {@link TextView} pool that can be used for key preview.
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private final ArrayDeque<TextView> mFreeKeyPreviewTextViews = CollectionUtils.newArrayDeque();
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// Map from {@link Key} to {@link TextView} that is currently being displayed as key preview.
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private final HashMap<Key,TextView> mShowingKeyPreviewTextViews = CollectionUtils.newHashMap();
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private final KeyPreviewDrawParams mKeyPreviewDrawParams;
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private static final float KEY_PREVIEW_START_ZOOM_IN_SCALE = 0.7f;
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private static final float KEY_PREVIEW_END_ZOOM_IN_SCALE = 1.0f;
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private static final float KEY_PREVIEW_END_ZOOM_OUT_SCALE = 0.7f;
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private static final AccelerateInterpolator ACCELERATE_INTERPOLATOR =
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new AccelerateInterpolator();
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private static final DecelerateInterpolator DECELERATE_INTERPOLATOR =
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new DecelerateInterpolator();
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private final KeyPreviewChoreographer mKeyPreviewChoreographer;
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// More keys keyboard
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private final Paint mBackgroundDimAlphaPaint = new Paint();
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@ -261,6 +243,8 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
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R.styleable.MainKeyboardView_altCodeKeyWhileTypingFadeinAnimator, 0);
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mKeyPreviewDrawParams = new KeyPreviewDrawParams(mainKeyboardViewAttr);
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mKeyPreviewChoreographer = new KeyPreviewChoreographer(mKeyPreviewDrawParams);
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final int moreKeysKeyboardLayoutId = mainKeyboardViewAttr.getResourceId(
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R.styleable.MainKeyboardView_moreKeysKeyboardLayout, 0);
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mConfigShowMoreKeysKeyboardAtTouchedPoint = mainKeyboardViewAttr.getBoolean(
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@ -477,60 +461,13 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
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return mKeyPreviewDrawParams.isPopupEnabled();
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}
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private TextView getKeyPreviewTextView(final Key key) {
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TextView previewTextView = mShowingKeyPreviewTextViews.remove(key);
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if (previewTextView != null) {
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return previewTextView;
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}
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previewTextView = mFreeKeyPreviewTextViews.poll();
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if (previewTextView != null) {
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return previewTextView;
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}
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final Context context = getContext();
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final int previewLayoutId = mKeyPreviewDrawParams.mLayoutId;
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if (previewLayoutId != 0) {
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previewTextView = (TextView)LayoutInflater.from(context)
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.inflate(previewLayoutId, null);
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} else {
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previewTextView = new TextView(context);
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}
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locatePreviewPlacerView();
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mDrawingPreviewPlacerView.addView(
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previewTextView, ViewLayoutUtils.newLayoutParam(mDrawingPreviewPlacerView, 0, 0));
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return previewTextView;
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}
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// Implements {@link DrawingHandler.Callbacks} method.
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@Override
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public void dismissAllKeyPreviews() {
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for (final Key key : new HashSet<Key>(mShowingKeyPreviewTextViews.keySet())) {
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dismissKeyPreviewWithoutDelay(key);
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}
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mKeyPreviewChoreographer.dismissAllKeyPreviews();
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PointerTracker.setReleasedKeyGraphicsToAllKeys();
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}
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// Background state set
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private static final int[][][] KEY_PREVIEW_BACKGROUND_STATE_TABLE = {
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{ // STATE_MIDDLE
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EMPTY_STATE_SET,
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{ R.attr.state_has_morekeys }
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},
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{ // STATE_LEFT
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{ R.attr.state_left_edge },
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{ R.attr.state_left_edge, R.attr.state_has_morekeys }
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},
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{ // STATE_RIGHT
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{ R.attr.state_right_edge },
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{ R.attr.state_right_edge, R.attr.state_has_morekeys }
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}
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};
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private static final int STATE_MIDDLE = 0;
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private static final int STATE_LEFT = 1;
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private static final int STATE_RIGHT = 2;
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private static final int STATE_NORMAL = 0;
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private static final int STATE_HAS_MOREKEYS = 1;
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// TODO: Take this method out of this class.
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@Override
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public void showKeyPreview(final Key key) {
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// If key is invalid or IME is already closed, we must not show key preview.
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@ -547,185 +484,33 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
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return;
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}
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final TextView previewTextView = getKeyPreviewTextView(key);
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final KeyDrawParams drawParams = mKeyDrawParams;
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previewTextView.setTextColor(drawParams.mPreviewTextColor);
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final Drawable background = previewTextView.getBackground();
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final String label = key.getPreviewLabel();
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// What we show as preview should match what we show on a key top in onDraw().
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if (label != null) {
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// TODO Should take care of temporaryShiftLabel here.
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previewTextView.setCompoundDrawables(null, null, null, null);
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previewTextView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
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key.selectPreviewTextSize(drawParams));
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previewTextView.setTypeface(key.selectPreviewTypeface(drawParams));
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previewTextView.setText(label);
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} else {
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previewTextView.setCompoundDrawables(null, null, null,
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key.getPreviewIcon(keyboard.mIconsSet));
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previewTextView.setText(null);
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}
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previewTextView.measure(
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ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
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final int keyDrawWidth = key.getDrawWidth();
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final int previewWidth = previewTextView.getMeasuredWidth();
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final int previewHeight = previewParams.mPreviewHeight;
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previewParams.setGeometry(previewTextView);
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final TextView previewTextView = mKeyPreviewChoreographer.getKeyPreviewTextView(
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key, getContext());
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locatePreviewPlacerView();
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mDrawingPreviewPlacerView.addView(
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previewTextView, ViewLayoutUtils.newLayoutParam(mDrawingPreviewPlacerView, 0, 0));
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getLocationInWindow(mOriginCoords);
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// The key preview is horizontally aligned with the center of the visible part of the
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// parent key. If it doesn't fit in this {@link KeyboardView}, it is moved inward to fit and
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// the left/right background is used if such background is specified.
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final int statePosition;
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int previewX = key.getDrawX() - (previewWidth - keyDrawWidth) / 2
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+ CoordinateUtils.x(mOriginCoords);
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if (previewX < 0) {
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previewX = 0;
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statePosition = STATE_LEFT;
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} else if (previewX > getWidth() - previewWidth) {
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previewX = getWidth() - previewWidth;
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statePosition = STATE_RIGHT;
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} else {
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statePosition = STATE_MIDDLE;
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}
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// The key preview is placed vertically above the top edge of the parent key with an
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// arbitrary offset.
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final int previewY = key.getY() - previewHeight + previewParams.mPreviewOffset
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+ CoordinateUtils.y(mOriginCoords);
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if (background != null) {
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final int hasMoreKeys = (key.getMoreKeys() != null) ? STATE_HAS_MOREKEYS : STATE_NORMAL;
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background.setState(KEY_PREVIEW_BACKGROUND_STATE_TABLE[statePosition][hasMoreKeys]);
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}
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ViewLayoutUtils.placeViewAt(
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previewTextView, previewX, previewY, previewWidth, previewHeight);
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if (!isHardwareAccelerated()) {
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previewTextView.setVisibility(VISIBLE);
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mShowingKeyPreviewTextViews.put(key, previewTextView);
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return;
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}
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previewTextView.setPivotX(previewWidth / 2.0f);
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previewTextView.setPivotY(previewHeight);
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final Animator zoomIn = createZoomInAniation(key, previewTextView);
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final Animator zoomOut = createZoomOutAnimation(key, previewTextView);
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final KeyPreviewAnimations animation = new KeyPreviewAnimations(zoomIn, zoomOut);
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previewTextView.setTag(animation);
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animation.startZoomIn();
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}
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// TODO: Move this internal class out to a separate external class.
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private static class KeyPreviewAnimations extends AnimatorListenerAdapter {
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private final Animator mZoomIn;
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private final Animator mZoomOut;
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public KeyPreviewAnimations(final Animator zoomIn, final Animator zoomOut) {
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mZoomIn = zoomIn;
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mZoomOut = zoomOut;
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}
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public void startZoomIn() {
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mZoomIn.start();
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}
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public void startZoomOut() {
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if (mZoomIn.isRunning()) {
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mZoomIn.addListener(this);
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return;
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}
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mZoomOut.start();
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}
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@Override
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public void onAnimationEnd(final Animator animation) {
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mZoomOut.start();
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}
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}
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// TODO: Take this method out of this class.
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private Animator createZoomInAniation(final Key key, final TextView previewTextView) {
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final ObjectAnimator scaleXAnimation = ObjectAnimator.ofFloat(
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previewTextView, SCALE_X, KEY_PREVIEW_START_ZOOM_IN_SCALE,
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KEY_PREVIEW_END_ZOOM_IN_SCALE);
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final ObjectAnimator scaleYAnimation = ObjectAnimator.ofFloat(
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previewTextView, SCALE_Y, KEY_PREVIEW_START_ZOOM_IN_SCALE,
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KEY_PREVIEW_END_ZOOM_IN_SCALE);
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final AnimatorSet zoomInAnimation = new AnimatorSet();
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zoomInAnimation.play(scaleXAnimation).with(scaleYAnimation);
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// TODO: Implement preference option to control key preview animation duration.
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zoomInAnimation.setDuration(mKeyPreviewDrawParams.mZoomInDuration);
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zoomInAnimation.setInterpolator(DECELERATE_INTERPOLATOR);
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zoomInAnimation.addListener(new AnimatorListenerAdapter() {
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@Override
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public void onAnimationStart(final Animator animation) {
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previewTextView.setVisibility(VISIBLE);
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mShowingKeyPreviewTextViews.put(key, previewTextView);
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}
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});
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return zoomInAnimation;
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}
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// TODO: Take this method out of this class.
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private Animator createZoomOutAnimation(final Key key, final TextView previewTextView) {
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final ObjectAnimator scaleXAnimation = ObjectAnimator.ofFloat(
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previewTextView, SCALE_X, KEY_PREVIEW_END_ZOOM_OUT_SCALE);
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final ObjectAnimator scaleYAnimation = ObjectAnimator.ofFloat(
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previewTextView, SCALE_Y, KEY_PREVIEW_END_ZOOM_OUT_SCALE);
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final AnimatorSet zoomOutAnimation = new AnimatorSet();
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zoomOutAnimation.play(scaleXAnimation).with(scaleYAnimation);
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// TODO: Implement preference option to control key preview animation duration.
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final int zoomOutDuration = Math.min(mKeyPreviewDrawParams.mZoomOutDuration,
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mKeyPreviewDrawParams.getLingerTimeout());
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zoomOutAnimation.setDuration(zoomOutDuration);
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zoomOutAnimation.setInterpolator(ACCELERATE_INTERPOLATOR);
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zoomOutAnimation.addListener(new AnimatorListenerAdapter() {
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@Override
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public void onAnimationEnd(final Animator animation) {
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dismissKeyPreviewWithoutDelay(key);
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}
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});
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return zoomOutAnimation;
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mKeyPreviewChoreographer.placeKeyPreview(key, previewTextView, keyboard.mIconsSet,
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mKeyDrawParams, getWidth(), mOriginCoords);
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mKeyPreviewChoreographer.showKeyPreview(key, previewTextView, isHardwareAccelerated());
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}
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// Implements {@link TimerHandler.Callbacks} method.
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// TODO: Take this method out of this class.
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@Override
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public void dismissKeyPreviewWithoutDelay(final Key key) {
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if (key == null) {
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return;
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}
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final TextView previewTextView = mShowingKeyPreviewTextViews.remove(key);
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if (previewTextView != null) {
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final Object tag = previewTextView.getTag();
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if (tag instanceof Animator) {
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((Animator)tag).cancel();
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}
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previewTextView.setTag(null);
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previewTextView.setVisibility(INVISIBLE);
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mFreeKeyPreviewTextViews.add(previewTextView);
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}
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mKeyPreviewChoreographer.dismissKeyPreview(key, false /* withAnimation */);
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// To redraw key top letter.
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invalidateKey(key);
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}
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// TODO: Take this method out of this class.
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@Override
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public void dismissKeyPreview(final Key key) {
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final TextView previewTextView = mShowingKeyPreviewTextViews.get(key);
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if (previewTextView == null) {
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return;
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}
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if (!isHardwareAccelerated()) {
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// TODO: Implement preference option to control key preview method and duration.
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mDrawingHandler.dismissKeyPreview(mKeyPreviewDrawParams.getLingerTimeout(), key);
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return;
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}
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final Object tag = previewTextView.getTag();
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if (tag instanceof KeyPreviewAnimations) {
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final KeyPreviewAnimations animation = (KeyPreviewAnimations)tag;
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animation.startZoomOut();
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}
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mKeyPreviewChoreographer.dismissKeyPreview(key, true /* withAnimation */);
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}
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public void setSlidingKeyInputPreviewEnabled(final boolean enabled) {
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@ -1098,7 +883,7 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
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}
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// Don't draw key top letter when key preview is showing.
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if (FADE_OUT_KEY_TOP_LETTER_WHEN_KEY_IS_PRESSED
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&& mShowingKeyPreviewTextViews.containsKey(key)) {
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&& mKeyPreviewChoreographer.isShowingKeyPreview(key)) {
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// TODO: Fade out animation for the key top letter, and fade in animation for the key
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// background color when the user presses the key.
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return;
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@ -0,0 +1,279 @@
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.keyboard.internal;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.AnimatorSet;
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import android.animation.ObjectAnimator;
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import android.content.Context;
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import android.graphics.drawable.Drawable;
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import android.util.TypedValue;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.animation.AccelerateInterpolator;
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import android.view.animation.DecelerateInterpolator;
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import android.widget.TextView;
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import com.android.inputmethod.keyboard.Key;
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import com.android.inputmethod.latin.R;
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import com.android.inputmethod.latin.utils.CollectionUtils;
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import com.android.inputmethod.latin.utils.CoordinateUtils;
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import com.android.inputmethod.latin.utils.ViewLayoutUtils;
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import java.util.ArrayDeque;
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import java.util.HashMap;
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import java.util.HashSet;
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/**
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* This class controls pop up key previews. This class decides:
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* - what kind of key previews should be shown.
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* - where key previews should be placed.
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* - how key previews should be shown and dismissed.
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*/
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public final class KeyPreviewChoreographer {
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// Free {@link TextView} pool that can be used for key preview.
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private final ArrayDeque<TextView> mFreeKeyPreviewTextViews = CollectionUtils.newArrayDeque();
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// Map from {@link Key} to {@link TextView} that is currently being displayed as key preview.
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private final HashMap<Key,TextView> mShowingKeyPreviewTextViews = CollectionUtils.newHashMap();
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private final KeyPreviewDrawParams mParams;
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public KeyPreviewChoreographer(final KeyPreviewDrawParams params) {
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mParams = params;
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}
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public TextView getKeyPreviewTextView(final Key key, final Context context) {
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TextView previewTextView = mShowingKeyPreviewTextViews.remove(key);
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if (previewTextView != null) {
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return previewTextView;
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}
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previewTextView = mFreeKeyPreviewTextViews.poll();
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if (previewTextView != null) {
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return previewTextView;
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}
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if (mParams.mLayoutId != 0) {
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return (TextView)LayoutInflater.from(context).inflate(mParams.mLayoutId, null);
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}
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return new TextView(context);
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}
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public boolean isShowingKeyPreview(final Key key) {
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return mShowingKeyPreviewTextViews.containsKey(key);
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}
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public void dismissAllKeyPreviews() {
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for (final Key key : new HashSet<Key>(mShowingKeyPreviewTextViews.keySet())) {
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dismissKeyPreview(key, false /* withAnimation */);
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}
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}
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public void dismissKeyPreview(final Key key, final boolean withAnimation) {
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if (key == null) {
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return;
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}
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final TextView previewTextView = mShowingKeyPreviewTextViews.get(key);
|
||||
if (previewTextView == null) {
|
||||
return;
|
||||
}
|
||||
final Object tag = previewTextView.getTag();
|
||||
if (withAnimation) {
|
||||
if (tag instanceof KeyPreviewAnimations) {
|
||||
final KeyPreviewAnimations animation = (KeyPreviewAnimations)tag;
|
||||
animation.startZoomOut();
|
||||
}
|
||||
return;
|
||||
}
|
||||
// Dismiss preview without animation.
|
||||
if (tag instanceof Animator) {
|
||||
((Animator)tag).cancel();
|
||||
}
|
||||
previewTextView.setTag(null);
|
||||
previewTextView.setVisibility(View.INVISIBLE);
|
||||
mFreeKeyPreviewTextViews.add(previewTextView);
|
||||
}
|
||||
|
||||
// Background state set
|
||||
private static final int[][][] KEY_PREVIEW_BACKGROUND_STATE_TABLE = {
|
||||
{ // STATE_MIDDLE
|
||||
{},
|
||||
{ R.attr.state_has_morekeys }
|
||||
},
|
||||
{ // STATE_LEFT
|
||||
{ R.attr.state_left_edge },
|
||||
{ R.attr.state_left_edge, R.attr.state_has_morekeys }
|
||||
},
|
||||
{ // STATE_RIGHT
|
||||
{ R.attr.state_right_edge },
|
||||
{ R.attr.state_right_edge, R.attr.state_has_morekeys }
|
||||
}
|
||||
};
|
||||
private static final int STATE_MIDDLE = 0;
|
||||
private static final int STATE_LEFT = 1;
|
||||
private static final int STATE_RIGHT = 2;
|
||||
private static final int STATE_NORMAL = 0;
|
||||
private static final int STATE_HAS_MOREKEYS = 1;
|
||||
|
||||
public void placeKeyPreview(final Key key, final TextView previewTextView,
|
||||
final KeyboardIconsSet iconsSet, final KeyDrawParams drawParams,
|
||||
final int keyboardViewWidth, final int[] originCoords) {
|
||||
previewTextView.setTextColor(drawParams.mPreviewTextColor);
|
||||
final Drawable background = previewTextView.getBackground();
|
||||
final String label = key.getPreviewLabel();
|
||||
// What we show as preview should match what we show on a key top in onDraw().
|
||||
if (label != null) {
|
||||
// TODO Should take care of temporaryShiftLabel here.
|
||||
previewTextView.setCompoundDrawables(null, null, null, null);
|
||||
previewTextView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
|
||||
key.selectPreviewTextSize(drawParams));
|
||||
previewTextView.setTypeface(key.selectPreviewTypeface(drawParams));
|
||||
previewTextView.setText(label);
|
||||
} else {
|
||||
previewTextView.setCompoundDrawables(null, null, null, key.getPreviewIcon(iconsSet));
|
||||
previewTextView.setText(null);
|
||||
}
|
||||
|
||||
previewTextView.measure(
|
||||
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
|
||||
mParams.setGeometry(previewTextView);
|
||||
final int previewWidth = previewTextView.getMeasuredWidth();
|
||||
final int previewHeight = mParams.mPreviewHeight;
|
||||
final int keyDrawWidth = key.getDrawWidth();
|
||||
// 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
|
||||
// the left/right background is used if such background is specified.
|
||||
final int statePosition;
|
||||
int previewX = key.getDrawX() - (previewWidth - keyDrawWidth) / 2
|
||||
+ CoordinateUtils.x(originCoords);
|
||||
if (previewX < 0) {
|
||||
previewX = 0;
|
||||
statePosition = STATE_LEFT;
|
||||
} else if (previewX > keyboardViewWidth - previewWidth) {
|
||||
previewX = keyboardViewWidth - previewWidth;
|
||||
statePosition = STATE_RIGHT;
|
||||
} else {
|
||||
statePosition = STATE_MIDDLE;
|
||||
}
|
||||
// The key preview is placed vertically above the top edge of the parent key with an
|
||||
// arbitrary offset.
|
||||
final int previewY = key.getY() - previewHeight + mParams.mPreviewOffset
|
||||
+ CoordinateUtils.y(originCoords);
|
||||
|
||||
if (background != null) {
|
||||
final int hasMoreKeys = (key.getMoreKeys() != null) ? STATE_HAS_MOREKEYS : STATE_NORMAL;
|
||||
background.setState(KEY_PREVIEW_BACKGROUND_STATE_TABLE[statePosition][hasMoreKeys]);
|
||||
}
|
||||
ViewLayoutUtils.placeViewAt(
|
||||
previewTextView, previewX, previewY, previewWidth, previewHeight);
|
||||
previewTextView.setPivotX(previewWidth / 2.0f);
|
||||
previewTextView.setPivotY(previewHeight);
|
||||
}
|
||||
|
||||
public void showKeyPreview(final Key key, final TextView previewTextView,
|
||||
final boolean withAnimation) {
|
||||
if (!withAnimation) {
|
||||
previewTextView.setVisibility(View.VISIBLE);
|
||||
mShowingKeyPreviewTextViews.put(key, previewTextView);
|
||||
return;
|
||||
}
|
||||
|
||||
// Show preview with animation.
|
||||
final Animator zoomIn = createZoomInAniation(key, previewTextView);
|
||||
final Animator zoomOut = createZoomOutAnimation(key, previewTextView);
|
||||
final KeyPreviewAnimations animation = new KeyPreviewAnimations(zoomIn, zoomOut);
|
||||
previewTextView.setTag(animation);
|
||||
animation.startZoomIn();
|
||||
}
|
||||
|
||||
// TODO: Move these parameters to resources or preferences.
|
||||
private static final float KEY_PREVIEW_START_ZOOM_IN_SCALE = 0.7f;
|
||||
private static final float KEY_PREVIEW_END_ZOOM_IN_SCALE = 1.0f;
|
||||
private static final float KEY_PREVIEW_END_ZOOM_OUT_SCALE = 0.7f;
|
||||
private static final AccelerateInterpolator ACCELERATE_INTERPOLATOR =
|
||||
new AccelerateInterpolator();
|
||||
private static final DecelerateInterpolator DECELERATE_INTERPOLATOR =
|
||||
new DecelerateInterpolator();
|
||||
|
||||
private Animator createZoomInAniation(final Key key, final TextView previewTextView) {
|
||||
final ObjectAnimator scaleXAnimation = ObjectAnimator.ofFloat(
|
||||
previewTextView, View.SCALE_X, KEY_PREVIEW_START_ZOOM_IN_SCALE,
|
||||
KEY_PREVIEW_END_ZOOM_IN_SCALE);
|
||||
final ObjectAnimator scaleYAnimation = ObjectAnimator.ofFloat(
|
||||
previewTextView, View.SCALE_Y, KEY_PREVIEW_START_ZOOM_IN_SCALE,
|
||||
KEY_PREVIEW_END_ZOOM_IN_SCALE);
|
||||
final AnimatorSet zoomInAnimation = new AnimatorSet();
|
||||
zoomInAnimation.play(scaleXAnimation).with(scaleYAnimation);
|
||||
// TODO: Implement preference option to control key preview animation duration.
|
||||
zoomInAnimation.setDuration(mParams.mZoomInDuration);
|
||||
zoomInAnimation.setInterpolator(DECELERATE_INTERPOLATOR);
|
||||
zoomInAnimation.addListener(new AnimatorListenerAdapter() {
|
||||
@Override
|
||||
public void onAnimationStart(final Animator animation) {
|
||||
showKeyPreview(key, previewTextView, false /* withAnimation */);
|
||||
}
|
||||
});
|
||||
return zoomInAnimation;
|
||||
}
|
||||
|
||||
private Animator createZoomOutAnimation(final Key key, final TextView previewTextView) {
|
||||
final ObjectAnimator scaleXAnimation = ObjectAnimator.ofFloat(
|
||||
previewTextView, View.SCALE_X, KEY_PREVIEW_END_ZOOM_OUT_SCALE);
|
||||
final ObjectAnimator scaleYAnimation = ObjectAnimator.ofFloat(
|
||||
previewTextView, View.SCALE_Y, KEY_PREVIEW_END_ZOOM_OUT_SCALE);
|
||||
final AnimatorSet zoomOutAnimation = new AnimatorSet();
|
||||
zoomOutAnimation.play(scaleXAnimation).with(scaleYAnimation);
|
||||
// TODO: Implement preference option to control key preview animation duration.
|
||||
final int zoomOutDuration = Math.min(mParams.mZoomOutDuration, mParams.getLingerTimeout());
|
||||
zoomOutAnimation.setDuration(zoomOutDuration);
|
||||
zoomOutAnimation.setInterpolator(ACCELERATE_INTERPOLATOR);
|
||||
zoomOutAnimation.addListener(new AnimatorListenerAdapter() {
|
||||
@Override
|
||||
public void onAnimationEnd(final Animator animation) {
|
||||
dismissKeyPreview(key, true /* withAnimation */);
|
||||
}
|
||||
});
|
||||
return zoomOutAnimation;
|
||||
}
|
||||
|
||||
private static class KeyPreviewAnimations extends AnimatorListenerAdapter {
|
||||
private final Animator mZoomIn;
|
||||
private final Animator mZoomOut;
|
||||
|
||||
public KeyPreviewAnimations(final Animator zoomIn, final Animator zoomOut) {
|
||||
mZoomIn = zoomIn;
|
||||
mZoomOut = zoomOut;
|
||||
}
|
||||
|
||||
public void startZoomIn() {
|
||||
mZoomIn.start();
|
||||
}
|
||||
|
||||
public void startZoomOut() {
|
||||
if (mZoomIn.isRunning()) {
|
||||
mZoomIn.addListener(this);
|
||||
return;
|
||||
}
|
||||
mZoomOut.start();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onAnimationEnd(final Animator animation) {
|
||||
mZoomOut.start();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -26,6 +26,7 @@ public final class KeyPreviewDrawParams {
|
|||
public final int mLayoutId;
|
||||
public final int mPreviewOffset;
|
||||
public final int mPreviewHeight;
|
||||
// TODO: Move those parameters to preferences.
|
||||
public final int mZoomInDuration;
|
||||
public final int mZoomOutDuration;
|
||||
private int mLingerTimeout;
|
||||
|
|
|
|||
Loading…
Reference in New Issue