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Merge "Unbundle Key preview text and PointerTracker"

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This commit is contained in:
Tadashi G. Takaoka 2013-11-20 05:46:24 +00:00 committed by Android (Google) Code Review
commit 3a1be7e4cf
2 changed files with 71 additions and 72 deletions
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135
java/src/com/android/inputmethod/keyboard/MainKeyboardView.java
View file

@ -34,7 +34,6 @@ import android.preference.PreferenceManager;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.Log;
import android.util.SparseArray;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.MotionEvent;
@ -71,6 +70,9 @@ import com.android.inputmethod.latin.utils.UsabilityStudyLogUtils;
import com.android.inputmethod.latin.utils.ViewLayoutUtils;
import com.android.inputmethod.research.ResearchLogger;
import java.util.ArrayDeque;
import java.util.HashMap;
import java.util.HashSet;
import java.util.WeakHashMap;
/**
@ -158,7 +160,10 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
private final int mKeyPreviewLayoutId;
private final int mKeyPreviewOffset;
private final int mKeyPreviewHeight;
private final SparseArray<TextView> mKeyPreviewTexts = CollectionUtils.newSparseArray();
// 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 boolean mShowKeyPreviewPopup = true;
private int mKeyPreviewLingerTimeout;
@ -381,13 +386,16 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
public void handleMessage(final Message msg) {
final MainKeyboardView mainKeyboardView = getOuterInstance();
if (mainKeyboardView == null) return;
final PointerTracker tracker = (PointerTracker) msg.obj;
switch (msg.what) {
case MSG_DISMISS_KEY_PREVIEW:
final TextView previewText = mainKeyboardView.mKeyPreviewTexts.get(
tracker.mPointerId);
if (previewText != null) {
previewText.setVisibility(INVISIBLE);
final Key key = (Key)msg.obj;
if (key != null) {
final TextView previewTextView =
mainKeyboardView.mShowingKeyPreviewTextViews.remove(key);
if (previewTextView != null) {
previewTextView.setVisibility(INVISIBLE);
mainKeyboardView.mFreeKeyPreviewTextViews.add(previewTextView);
}
}
break;
case MSG_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT:
@ -396,12 +404,8 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
}
}
public void dismissKeyPreview(final long delay, final PointerTracker tracker) {
sendMessageDelayed(obtainMessage(MSG_DISMISS_KEY_PREVIEW, tracker), delay);
}
public void cancelDismissKeyPreview(final PointerTracker tracker) {
removeMessages(MSG_DISMISS_KEY_PREVIEW, tracker);
public void dismissKeyPreview(final long delay, final Key key) {
sendMessageDelayed(obtainMessage(MSG_DISMISS_KEY_PREVIEW, key), delay);
}
private void cancelAllDismissKeyPreviews() {
@ -681,33 +685,34 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
return mShowKeyPreviewPopup;
}
private void addKeyPreview(final TextView keyPreview) {
locatePreviewPlacerView();
mPreviewPlacerView.addView(
keyPreview, ViewLayoutUtils.newLayoutParam(mPreviewPlacerView, 0, 0));
}
private TextView getKeyPreviewText(final int pointerId) {
TextView previewText = mKeyPreviewTexts.get(pointerId);
if (previewText != null) {
return previewText;
private TextView getKeyPreviewTextView(final Key key) {
TextView previewTextView = mShowingKeyPreviewTextViews.remove(key);
if (previewTextView != null) {
return previewTextView;
}
previewTextView = mFreeKeyPreviewTextViews.poll();
if (previewTextView != null) {
return previewTextView;
}
final Context context = getContext();
if (mKeyPreviewLayoutId != 0) {
previewText = (TextView)LayoutInflater.from(context).inflate(mKeyPreviewLayoutId, null);
previewTextView = (TextView)LayoutInflater.from(context)
.inflate(mKeyPreviewLayoutId, null);
} else {
previewText = new TextView(context);
previewTextView = new TextView(context);
}
mKeyPreviewTexts.put(pointerId, previewText);
return previewText;
locatePreviewPlacerView();
mPreviewPlacerView.addView(
previewTextView, ViewLayoutUtils.newLayoutParam(mPreviewPlacerView, 0, 0));
return previewTextView;
}
private void dismissAllKeyPreviews() {
final int pointerCount = mKeyPreviewTexts.size();
for (int id = 0; id < pointerCount; id++) {
final TextView previewText = mKeyPreviewTexts.get(id);
if (previewText != null) {
previewText.setVisibility(INVISIBLE);
for (final Key key : new HashSet<Key>(mShowingKeyPreviewTextViews.keySet())) {
final TextView previewTextView = mShowingKeyPreviewTextViews.remove(key);
if (previewTextView != null) {
previewTextView.setVisibility(INVISIBLE);
mFreeKeyPreviewTextViews.add(previewTextView);
}
}
PointerTracker.setReleasedKeyGraphicsToAllKeys();
@ -735,23 +740,7 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
private static final int STATE_HAS_MOREKEYS = 1;
@Override
public void showKeyPreview(final PointerTracker tracker) {
final KeyPreviewDrawParams previewParams = mKeyPreviewDrawParams;
final Keyboard keyboard = getKeyboard();
if (!mShowKeyPreviewPopup) {
previewParams.mPreviewVisibleOffset = -keyboard.mVerticalGap;
return;
}
final TextView previewText = getKeyPreviewText(tracker.mPointerId);
// If the key preview has no parent view yet, add it to the ViewGroup which can place
// key preview absolutely in SoftInputWindow.
if (previewText.getParent() == null) {
addKeyPreview(previewText);
}
mDrawingHandler.cancelDismissKeyPreview(tracker);
final Key key = tracker.getKey();
public void showKeyPreview(final Key key) {
// If key is invalid or IME is already closed, we must not show key preview.
// Trying to show key preview while root window is closed causes
// WindowManager.BadTokenException.
@ -759,38 +748,47 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
return;
}
final KeyPreviewDrawParams previewParams = mKeyPreviewDrawParams;
final Keyboard keyboard = getKeyboard();
if (!mShowKeyPreviewPopup) {
previewParams.mPreviewVisibleOffset = -keyboard.mVerticalGap;
return;
}
final TextView previewTextView = getKeyPreviewTextView(key);
final KeyDrawParams drawParams = mKeyDrawParams;
previewText.setTextColor(drawParams.mPreviewTextColor);
final Drawable background = previewText.getBackground();
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.
previewText.setCompoundDrawables(null, null, null, null);
previewText.setTextSize(TypedValue.COMPLEX_UNIT_PX,
previewTextView.setCompoundDrawables(null, null, null, null);
previewTextView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
key.selectPreviewTextSize(drawParams));
previewText.setTypeface(key.selectPreviewTypeface(drawParams));
previewText.setText(label);
previewTextView.setTypeface(key.selectPreviewTypeface(drawParams));
previewTextView.setText(label);
} else {
previewText.setCompoundDrawables(null, null, null,
previewTextView.setCompoundDrawables(null, null, null,
key.getPreviewIcon(keyboard.mIconsSet));
previewText.setText(null);
previewTextView.setText(null);
}
previewText.measure(
previewTextView.measure(
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
final int keyDrawWidth = key.getDrawWidth();
final int previewWidth = previewText.getMeasuredWidth();
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 - previewText.getPaddingLeft()
- previewText.getPaddingRight();
previewParams.mPreviewVisibleHeight = previewHeight - previewText.getPaddingTop()
- previewText.getPaddingBottom();
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 - previewText.getPaddingBottom();
previewParams.mPreviewVisibleOffset =
mKeyPreviewOffset - previewTextView.getPaddingBottom();
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
@ -817,13 +815,14 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
background.setState(KEY_PREVIEW_BACKGROUND_STATE_TABLE[statePosition][hasMoreKeys]);
}
ViewLayoutUtils.placeViewAt(
previewText, previewX, previewY, previewWidth, previewHeight);
previewText.setVisibility(VISIBLE);
previewTextView, previewX, previewY, previewWidth, previewHeight);
previewTextView.setVisibility(VISIBLE);
mShowingKeyPreviewTextViews.put(key, previewTextView);
}
@Override
public void dismissKeyPreview(final PointerTracker tracker) {
mDrawingHandler.dismissKeyPreview(mKeyPreviewLingerTimeout, tracker);
public void dismissKeyPreview(final Key key) {
mDrawingHandler.dismissKeyPreview(mKeyPreviewLingerTimeout, key);
}
public void setSlidingKeyInputPreviewEnabled(final boolean enabled) {

8
java/src/com/android/inputmethod/keyboard/PointerTracker.java
View file

@ -84,8 +84,8 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
public interface DrawingProxy {
public void invalidateKey(Key key);
public void showKeyPreview(PointerTracker tracker);
public void dismissKeyPreview(PointerTracker tracker);
public void showKeyPreview(Key key);
public void dismissKeyPreview(Key key);
public void showSlidingKeyInputPreview(PointerTracker tracker);
public void dismissSlidingKeyInputPreview();
public void showGestureTrail(PointerTracker tracker, boolean showsFloatingPreviewText);
@ -637,7 +637,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
}
private void setReleasedKeyGraphics(final Key key) {
mDrawingProxy.dismissKeyPreview(this);
mDrawingProxy.dismissKeyPreview(key);
if (key == null) {
return;
}
@ -685,7 +685,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
}
if (!key.noKeyPreview() && !sInGesture && !needsToSuppressKeyPreviewPopup(eventTime)) {
mDrawingProxy.showKeyPreview(this);
mDrawingProxy.showKeyPreview(key);
}
updatePressKeyGraphics(key);