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Rename GesturePreviewTrail.java -> GestureTrail.java 

Try reducing some confusions between GesturePreviewTrail.java and GestureTrailsPreview.java

Change-Id: I5fe2ee740cf1b32210530188153f6f6937e34b68
main
Ken Wakasa 2013-05-13 13:12:12 +09:00
parent 7d72ca0b20
commit cb3bba3c4e
11 changed files with 118 additions and 120 deletions
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4
java/res/values-sw600dp/dimens.xml
View File

@ -85,8 +85,8 @@
<dimen name="suggestion_text_size">22dp</dimen>
<dimen name="more_suggestions_hint_text_size">33dp</dimen>
<!-- Gesture preview trail parameters -->
<dimen name="gesture_preview_trail_width">2.5dp</dimen>
<!-- Gesture trail parameters -->
<dimen name="gesture_trail_width">2.5dp</dimen>
<!-- Gesture floating preview text parameters -->
<dimen name="gesture_floating_preview_text_size">28dp</dimen>
<dimen name="gesture_floating_preview_text_offset">87dp</dimen>

4
java/res/values-sw768dp/dimens.xml
View File

@ -86,8 +86,8 @@
<dimen name="suggestion_text_size">22dp</dimen>
<dimen name="more_suggestions_hint_text_size">33dp</dimen>
<!-- Gesture preview trail parameters -->
<dimen name="gesture_preview_trail_width">2.5dp</dimen>
<!-- Gesture trail parameters -->
<dimen name="gesture_trail_width">2.5dp</dimen>
<!-- Gesture floating preview text parameters -->
<dimen name="gesture_floating_preview_text_size">26dp</dimen>
<dimen name="gesture_floating_preview_text_offset">86dp</dimen>

36
java/res/values/attrs.xml
View File

@ -108,25 +108,25 @@
<attr name="backgroundDimAlpha" format="integer" />
<!-- More keys keyboard will shown at touched point. -->
<attr name="showMoreKeysKeyboardAtTouchedPoint" format="boolean" />
<!-- Minimum distance between gesture preview trail sampling points. -->
<attr name="gesturePreviewTrailMinSamplingDistance" format="dimension" />
<!-- Maximum angular threshold between gesture preview trail interpolation segments in degree. -->
<attr name="gesturePreviewTrailMaxInterpolationAngularThreshold" format="integer" />
<!-- Maximum distance threshold between gesture preview trail interpolation segments. -->
<attr name="gesturePreviewTrailMaxInterpolationDistanceThreshold" format="dimension" />
<!-- Maximum number of gesture preview trail interpolation segments. -->
<attr name="gesturePreviewTrailMaxInterpolationSegments" format="integer" />
<!-- Minimum distance between gesture trail sampling points. -->
<attr name="gestureTrailMinSamplingDistance" format="dimension" />
<!-- Maximum angular threshold between gesture trail interpolation segments in degree. -->
<attr name="gestureTrailMaxInterpolationAngularThreshold" format="integer" />
<!-- Maximum distance threshold between gesture trail interpolation segments. -->
<attr name="gestureTrailMaxInterpolationDistanceThreshold" format="dimension" />
<!-- Maximum number of gesture trail interpolation segments. -->
<attr name="gestureTrailMaxInterpolationSegments" format="integer" />
<!-- Delay after gesture trail starts fading out in millisecond. -->
<attr name="gesturePreviewTrailFadeoutStartDelay" format="integer" />
<!-- Duration while gesture preview trail is fading out in millisecond. -->
<attr name="gesturePreviewTrailFadeoutDuration" format="integer" />
<!-- Interval of updating gesture preview trail in millisecond. -->
<attr name="gesturePreviewTrailUpdateInterval" format="integer" />
<attr name="gesturePreviewTrailColor" format="color" />
<attr name="gesturePreviewTrailStartWidth" format="dimension" />
<attr name="gesturePreviewTrailEndWidth" format="dimension" />
<attr name="gesturePreviewTrailBodyRatio" format="integer" />
<attr name="gesturePreviewTrailShadowRatio" format="integer" />
<attr name="gestureTrailFadeoutStartDelay" format="integer" />
<!-- Duration while gesture trail is fading out in millisecond. -->
<attr name="gestureTrailFadeoutDuration" format="integer" />
<!-- Interval of updating gesture trail in millisecond. -->
<attr name="gestureTrailUpdateInterval" format="integer" />
<attr name="gestureTrailColor" format="color" />
<attr name="gestureTrailStartWidth" format="dimension" />
<attr name="gestureTrailEndWidth" format="dimension" />
<attr name="gestureTrailBodyRatio" format="integer" />
<attr name="gestureTrailShadowRatio" format="integer" />
<!-- Delay after gesture input and gesture floating preview text dismissing in millisecond -->
<attr name="gestureFloatingPreviewTextLingerTimeout" format="integer" />
<!-- Attributes for GestureFloatingPreviewText -->

6
java/res/values/config.xml
View File

@ -75,9 +75,9 @@
<bool name="config_show_more_keys_keyboard_at_touched_point">false</bool>
<bool name="config_block_potentially_offensive">true</bool>
<integer name="config_gesture_floating_preview_text_linger_timeout">200</integer>
<integer name="config_gesture_preview_trail_fadeout_start_delay">100</integer>
<integer name="config_gesture_preview_trail_fadeout_duration">800</integer>
<integer name="config_gesture_preview_trail_update_interval">20</integer>
<integer name="config_gesture_trail_fadeout_start_delay">100</integer>
<integer name="config_gesture_trail_fadeout_duration">800</integer>
<integer name="config_gesture_trail_update_interval">20</integer>
<!-- Static threshold for gesture after fast typing (msec) -->
<integer name="config_gesture_static_time_threshold_after_fast_typing">500</integer>
<!-- Static threshold for starting gesture detection (keyWidth%/sec) -->

26
java/res/values/dimens.xml
View File

@ -100,22 +100,22 @@
<integer name="suggestions_count_in_strip">3</integer>
<fraction name="center_suggestion_percentile">36%</fraction>
<!-- Gesture preview trail parameters -->
<!-- Minimum distance between gesture preview trail sampling points. -->
<dimen name="gesture_preview_trail_min_sampling_distance">6.4dp</dimen>
<!-- Maximum angular threshold between gesture preview trails interpolation segments in degree. -->
<integer name="gesture_preview_trail_max_interpolation_angular_threshold">15</integer>
<!-- Maximum distance threshold between gesture preview trails interpolation segments. -->
<dimen name="gesture_preview_trail_max_interpolation_distance_threshold">16.0dp</dimen>
<!-- Maximum number of gesture preview trail interpolation segments. -->
<integer name="gesture_preview_trail_max_interpolation_segments">6</integer>
<dimen name="gesture_preview_trail_start_width">10.0dp</dimen>
<dimen name="gesture_preview_trail_end_width">2.5dp</dimen>
<!-- Gesture trail parameters -->
<!-- Minimum distance between gesture trail sampling points. -->
<dimen name="gesture_trail_min_sampling_distance">6.4dp</dimen>
<!-- Maximum angular threshold between gesture trails interpolation segments in degree. -->
<integer name="gesture_trail_max_interpolation_angular_threshold">15</integer>
<!-- Maximum distance threshold between gesture trails interpolation segments. -->
<dimen name="gesture_trail_max_interpolation_distance_threshold">16.0dp</dimen>
<!-- Maximum number of gesture trail interpolation segments. -->
<integer name="gesture_trail_max_interpolation_segments">6</integer>
<dimen name="gesture_trail_start_width">10.0dp</dimen>
<dimen name="gesture_trail_end_width">2.5dp</dimen>
<!-- Percentages of gesture preview taril body and shadow, in proportion to the trail width.
A negative value of the shadow ratio disables drawing shadow. -->
<!-- TODO: May use the shadow to alleviate rugged trail drawing. -->
<integer name="gesture_preview_trail_body_ratio">100</integer>
<integer name="gesture_preview_trail_shadow_ratio">-1</integer>
<integer name="gesture_trail_body_ratio">100</integer>
<integer name="gesture_trail_shadow_ratio">-1</integer>
<!-- Gesture floating preview text parameters -->
<dimen name="gesture_floating_preview_text_size">24dp</dimen>
<dimen name="gesture_floating_preview_text_offset">73dp</dimen>

26
java/res/values/styles.xml
View File

@ -64,18 +64,18 @@
<item name="gestureFloatingPreviewHorizontalPadding">@dimen/gesture_floating_preview_horizontal_padding</item>
<item name="gestureFloatingPreviewVerticalPadding">@dimen/gesture_floating_preview_vertical_padding</item>
<item name="gestureFloatingPreviewRoundRadius">@dimen/gesture_floating_preview_round_radius</item>
<item name="gesturePreviewTrailMinSamplingDistance">@dimen/gesture_preview_trail_min_sampling_distance</item>
<item name="gesturePreviewTrailMaxInterpolationAngularThreshold">@integer/gesture_preview_trail_max_interpolation_angular_threshold</item>
<item name="gesturePreviewTrailMaxInterpolationDistanceThreshold">@dimen/gesture_preview_trail_max_interpolation_distance_threshold</item>
<item name="gesturePreviewTrailMaxInterpolationSegments">@integer/gesture_preview_trail_max_interpolation_segments</item>
<item name="gesturePreviewTrailFadeoutStartDelay">@integer/config_gesture_preview_trail_fadeout_start_delay</item>
<item name="gesturePreviewTrailFadeoutDuration">@integer/config_gesture_preview_trail_fadeout_duration</item>
<item name="gesturePreviewTrailUpdateInterval">@integer/config_gesture_preview_trail_update_interval</item>
<item name="gesturePreviewTrailColor">@color/highlight_color_default</item>
<item name="gesturePreviewTrailStartWidth">@dimen/gesture_preview_trail_start_width</item>
<item name="gesturePreviewTrailEndWidth">@dimen/gesture_preview_trail_end_width</item>
<item name="gesturePreviewTrailBodyRatio">@integer/gesture_preview_trail_body_ratio</item>
<item name="gesturePreviewTrailShadowRatio">@integer/gesture_preview_trail_shadow_ratio</item>
<item name="gestureTrailMinSamplingDistance">@dimen/gesture_trail_min_sampling_distance</item>
<item name="gestureTrailMaxInterpolationAngularThreshold">@integer/gesture_trail_max_interpolation_angular_threshold</item>
<item name="gestureTrailMaxInterpolationDistanceThreshold">@dimen/gesture_trail_max_interpolation_distance_threshold</item>
<item name="gestureTrailMaxInterpolationSegments">@integer/gesture_trail_max_interpolation_segments</item>
<item name="gestureTrailFadeoutStartDelay">@integer/config_gesture_trail_fadeout_start_delay</item>
<item name="gestureTrailFadeoutDuration">@integer/config_gesture_trail_fadeout_duration</item>
<item name="gestureTrailUpdateInterval">@integer/config_gesture_trail_update_interval</item>
<item name="gestureTrailColor">@color/highlight_color_default</item>
<item name="gestureTrailStartWidth">@dimen/gesture_trail_start_width</item>
<item name="gestureTrailEndWidth">@dimen/gesture_trail_end_width</item>
<item name="gestureTrailBodyRatio">@integer/gesture_trail_body_ratio</item>
<item name="gestureTrailShadowRatio">@integer/gesture_trail_shadow_ratio</item>
<!-- Common attributes of MainKeyboardView -->
<item name="keyHysteresisDistance">@dimen/config_key_hysteresis_distance</item>
<item name="keyHysteresisDistanceForSlidingModifier">@dimen/config_key_hysteresis_distance_for_sliding_modifier</item>
@ -348,7 +348,7 @@
<item name="keyTextShadowRadius">0.0</item>
<item name="slidingKeyInputPreviewColor">@color/highlight_translucent_color_ics</item>
<item name="gestureFloatingPreviewTextColor">@color/highlight_color_ics</item>
<item name="gesturePreviewTrailColor">@color/highlight_color_ics</item>
<item name="gestureTrailColor">@color/highlight_color_ics</item>
</style>
<style
name="MainKeyboardView.IceCreamSandwich"

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

@ -910,10 +910,10 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
mSlidingKeyInputPreview.dismissSlidingKeyInputPreview();
}
public void setGesturePreviewMode(final boolean drawsGesturePreviewTrail,
public void setGesturePreviewMode(final boolean drawsGestureTrail,
final boolean drawsGestureFloatingPreviewText) {
mGestureFloatingPreviewText.setPreviewEnabled(drawsGestureFloatingPreviewText);
mGestureTrailsPreview.setPreviewEnabled(drawsGesturePreviewTrail);
mGestureTrailsPreview.setPreviewEnabled(drawsGestureTrail);
}
public void showGestureFloatingPreviewText(final SuggestedWords suggestedWords) {
@ -927,7 +927,7 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
}
@Override
public void showGesturePreviewTrail(final PointerTracker tracker) {
public void showGestureTrail(final PointerTracker tracker) {
locatePreviewPlacerView();
mGestureFloatingPreviewText.setPreviewPosition(tracker);
mGestureTrailsPreview.setPreviewPosition(tracker);

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

@ -84,7 +84,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
public void dismissKeyPreview(PointerTracker tracker);
public void showSlidingKeyInputPreview(PointerTracker tracker);
public void dismissSlidingKeyInputPreview();
public void showGesturePreviewTrail(PointerTracker tracker);
public void showGestureTrail(PointerTracker tracker);
}
public interface TimerProxy {
@ -737,7 +737,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
dismissAllMoreKeysPanels();
}
mTimerProxy.cancelLongPressTimer();
mDrawingProxy.showGesturePreviewTrail(this);
mDrawingProxy.showGestureTrail(this);
}
public void updateBatchInputByTimer(final long eventTime) {
@ -753,7 +753,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
if (mIsTrackingForActionDisabled) {
return;
}
mDrawingProxy.showGesturePreviewTrail(this);
mDrawingProxy.showGestureTrail(this);
}
private void updateBatchInput(final long eventTime) {
@ -794,7 +794,7 @@ public final class PointerTracker implements PointerTrackerQueue.Element {
if (mIsTrackingForActionDisabled) {
return;
}
mDrawingProxy.showGesturePreviewTrail(this);
mDrawingProxy.showGestureTrail(this);
}
private void cancelBatchInput() {

22
java/src/com/android/inputmethod/keyboard/internal/GestureStrokeWithPreviewPoints.java
View File

@ -63,18 +63,18 @@ public final class GestureStrokeWithPreviewPoints extends GestureStroke {
public GestureStrokePreviewParams(final TypedArray mainKeyboardViewAttr) {
mMinSamplingDistance = mainKeyboardViewAttr.getDimension(
R.styleable.MainKeyboardView_gesturePreviewTrailMinSamplingDistance,
R.styleable.MainKeyboardView_gestureTrailMinSamplingDistance,
(float)DEFAULT.mMinSamplingDistance);
final int interpolationAngularDegree = mainKeyboardViewAttr.getInteger(R.styleable
.MainKeyboardView_gesturePreviewTrailMaxInterpolationAngularThreshold, 0);
.MainKeyboardView_gestureTrailMaxInterpolationAngularThreshold, 0);
mMaxInterpolationAngularThreshold = (interpolationAngularDegree <= 0)
? DEFAULT.mMaxInterpolationAngularThreshold
: degreeToRadian(interpolationAngularDegree);
mMaxInterpolationDistanceThreshold = mainKeyboardViewAttr.getDimension(R.styleable
.MainKeyboardView_gesturePreviewTrailMaxInterpolationDistanceThreshold,
.MainKeyboardView_gestureTrailMaxInterpolationDistanceThreshold,
(float)DEFAULT.mMaxInterpolationDistanceThreshold);
mMaxInterpolationSegments = mainKeyboardViewAttr.getInteger(
R.styleable.MainKeyboardView_gesturePreviewTrailMaxInterpolationSegments,
R.styleable.MainKeyboardView_gestureTrailMaxInterpolationSegments,
DEFAULT.mMaxInterpolationSegments);
}
}
@ -145,9 +145,9 @@ public final class GestureStrokeWithPreviewPoints extends GestureStroke {
*
* @param lastInterpolatedIndex the start index of the last interpolated segment of
* <code>eventTimes</code>, <code>xCoords</code>, and <code>yCoords</code>.
* @param eventTimes the event time array of gesture preview trail to be drawn.
* @param xCoords the x-coordinates array of gesture preview trail to be drawn.
* @param yCoords the y-coordinates array of gesture preview trail to be drawn.
* @param eventTimes the event time array of gesture trail to be drawn.
* @param xCoords the x-coordinates array of gesture trail to be drawn.
* @param yCoords the y-coordinates array of gesture trail to be drawn.
* @return the start index of the last interpolated segment of input arrays.
*/
public int interpolateStrokeAndReturnStartIndexOfLastSegment(final int lastInterpolatedIndex,
@ -189,16 +189,16 @@ public final class GestureStrokeWithPreviewPoints extends GestureStroke {
eventTimes.add(d1, (int)(dt * t) + t1);
xCoords.add(d1, (int)mInterpolator.mInterpolatedX);
yCoords.add(d1, (int)mInterpolator.mInterpolatedY);
if (GesturePreviewTrail.DBG_SHOW_POINTS) {
types.add(d1, GesturePreviewTrail.POINT_TYPE_INTERPOLATED);
if (GestureTrail.DBG_SHOW_POINTS) {
types.add(d1, GestureTrail.POINT_TYPE_INTERPOLATED);
}
d1++;
}
eventTimes.add(d1, pt[p2]);
xCoords.add(d1, px[p2]);
yCoords.add(d1, py[p2]);
if (GesturePreviewTrail.DBG_SHOW_POINTS) {
types.add(d1, GesturePreviewTrail.POINT_TYPE_SAMPLED);
if (GestureTrail.DBG_SHOW_POINTS) {
types.add(d1, GestureTrail.POINT_TYPE_SAMPLED);
}
}
return lastInterpolatedDrawIndex;

38
java/src/com/android/inputmethod/keyboard/internal/GesturePreviewTrail.java → java/src/com/android/inputmethod/keyboard/internal/GestureTrail.java
View File

@ -29,13 +29,13 @@ import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.ResizableIntArray;
/*
* @attr ref R.styleable#MainKeyboardView_gesturePreviewTrailFadeoutStartDelay
* @attr ref R.styleable#MainKeyboardView_gesturePreviewTrailFadeoutDuration
* @attr ref R.styleable#MainKeyboardView_gesturePreviewTrailUpdateInterval
* @attr ref R.styleable#MainKeyboardView_gesturePreviewTrailColor
* @attr ref R.styleable#MainKeyboardView_gesturePreviewTrailWidth
* @attr ref R.styleable#MainKeyboardView_gestureTrailFadeoutStartDelay
* @attr ref R.styleable#MainKeyboardView_gestureTrailFadeoutDuration
* @attr ref R.styleable#MainKeyboardView_gestureTrailUpdateInterval
* @attr ref R.styleable#MainKeyboardView_gestureTrailColor
* @attr ref R.styleable#MainKeyboardView_gestureTrailWidth
*/
final class GesturePreviewTrail {
final class GestureTrail {
public static final boolean DBG_SHOW_POINTS = false;
public static final int POINT_TYPE_SAMPLED = 0;
public static final int POINT_TYPE_INTERPOLATED = 1;
@ -70,26 +70,26 @@ final class GesturePreviewTrail {
public Params(final TypedArray mainKeyboardViewAttr) {
mTrailColor = mainKeyboardViewAttr.getColor(
R.styleable.MainKeyboardView_gesturePreviewTrailColor, 0);
R.styleable.MainKeyboardView_gestureTrailColor, 0);
mTrailStartWidth = mainKeyboardViewAttr.getDimension(
R.styleable.MainKeyboardView_gesturePreviewTrailStartWidth, 0.0f);
R.styleable.MainKeyboardView_gestureTrailStartWidth, 0.0f);
mTrailEndWidth = mainKeyboardViewAttr.getDimension(
R.styleable.MainKeyboardView_gesturePreviewTrailEndWidth, 0.0f);
R.styleable.MainKeyboardView_gestureTrailEndWidth, 0.0f);
final int PERCENTAGE_INT = 100;
mTrailBodyRatio = (float)mainKeyboardViewAttr.getInt(
R.styleable.MainKeyboardView_gesturePreviewTrailBodyRatio, PERCENTAGE_INT)
R.styleable.MainKeyboardView_gestureTrailBodyRatio, PERCENTAGE_INT)
/ (float)PERCENTAGE_INT;
final int trailShadowRatioInt = mainKeyboardViewAttr.getInt(
R.styleable.MainKeyboardView_gesturePreviewTrailShadowRatio, 0);
R.styleable.MainKeyboardView_gestureTrailShadowRatio, 0);
mTrailShadowEnabled = (trailShadowRatioInt > 0);
mTrailShadowRatio = (float)trailShadowRatioInt / (float)PERCENTAGE_INT;
mFadeoutStartDelay = DBG_SHOW_POINTS ? 2000 : mainKeyboardViewAttr.getInt(
R.styleable.MainKeyboardView_gesturePreviewTrailFadeoutStartDelay, 0);
R.styleable.MainKeyboardView_gestureTrailFadeoutStartDelay, 0);
mFadeoutDuration = DBG_SHOW_POINTS ? 200 : mainKeyboardViewAttr.getInt(
R.styleable.MainKeyboardView_gesturePreviewTrailFadeoutDuration, 0);
R.styleable.MainKeyboardView_gestureTrailFadeoutDuration, 0);
mTrailLingerDuration = mFadeoutStartDelay + mFadeoutDuration;
mUpdateInterval = mainKeyboardViewAttr.getInt(
R.styleable.MainKeyboardView_gesturePreviewTrailUpdateInterval, 0);
R.styleable.MainKeyboardView_gestureTrailUpdateInterval, 0);
}
}
@ -186,12 +186,12 @@ final class GesturePreviewTrail {
private final Rect mRoundedLineBounds = new Rect();
/**
* Draw gesture preview trail
* @param canvas The canvas to draw the gesture preview trail
* @param paint The paint object to be used to draw the gesture preview trail
* Draw gesture trail
* @param canvas The canvas to draw the gesture trail
* @param paint The paint object to be used to draw the gesture trail
* @param outBoundsRect the bounding box of this gesture trail drawing
* @param params The drawing parameters of gesture preview trail
* @return true if some gesture preview trails remain to be drawn
* @param params The drawing parameters of gesture trail
* @return true if some gesture trails remain to be drawn
*/
public boolean drawGestureTrail(final Canvas canvas, final Paint paint,
final Rect outBoundsRect, final Params params) {

62
java/src/com/android/inputmethod/keyboard/internal/GestureTrailsPreview.java
View File

@ -29,7 +29,7 @@ import android.util.SparseArray;
import android.view.View;
import com.android.inputmethod.keyboard.PointerTracker;
import com.android.inputmethod.keyboard.internal.GesturePreviewTrail.Params;
import com.android.inputmethod.keyboard.internal.GestureTrail.Params;
import com.android.inputmethod.latin.CollectionUtils;
import com.android.inputmethod.latin.StaticInnerHandlerWrapper;
@ -37,9 +37,8 @@ import com.android.inputmethod.latin.StaticInnerHandlerWrapper;
* Draw gesture trail preview graphics during gesture.
*/
public final class GestureTrailsPreview extends AbstractDrawingPreview {
private final SparseArray<GesturePreviewTrail> mGesturePreviewTrails =
CollectionUtils.newSparseArray();
private final Params mGesturePreviewTrailParams;
private final SparseArray<GestureTrail> mGestureTrails = CollectionUtils.newSparseArray();
private final Params mGestureTrailParams;
private final Paint mGesturePaint;
private int mOffscreenWidth;
private int mOffscreenHeight;
@ -48,20 +47,20 @@ public final class GestureTrailsPreview extends AbstractDrawingPreview {
private final Canvas mOffscreenCanvas = new Canvas();
private final Rect mOffscreenSrcRect = new Rect();
private final Rect mDirtyRect = new Rect();
private final Rect mGesturePreviewTrailBoundsRect = new Rect(); // per trail
private final Rect mGestureTrailBoundsRect = new Rect(); // per trail
private final DrawingHandler mDrawingHandler;
private static final class DrawingHandler
extends StaticInnerHandlerWrapper<GestureTrailsPreview> {
private static final int MSG_UPDATE_GESTURE_PREVIEW_TRAIL = 0;
private static final int MSG_UPDATE_GESTURE_TRAIL = 0;
private final Params mGesturePreviewTrailParams;
private final Params mGestureTrailParams;
public DrawingHandler(final GestureTrailsPreview outerInstance,
final Params gesturePreviewTrailParams) {
final Params gestureTrailParams) {
super(outerInstance);
mGesturePreviewTrailParams = gesturePreviewTrailParams;
mGestureTrailParams = gestureTrailParams;
}
@Override
@ -69,23 +68,23 @@ public final class GestureTrailsPreview extends AbstractDrawingPreview {
final GestureTrailsPreview preview = getOuterInstance();
if (preview == null) return;
switch (msg.what) {
case MSG_UPDATE_GESTURE_PREVIEW_TRAIL:
case MSG_UPDATE_GESTURE_TRAIL:
preview.getDrawingView().invalidate();
break;
}
}
public void postUpdateGestureTrailPreview() {
removeMessages(MSG_UPDATE_GESTURE_PREVIEW_TRAIL);
sendMessageDelayed(obtainMessage(MSG_UPDATE_GESTURE_PREVIEW_TRAIL),
mGesturePreviewTrailParams.mUpdateInterval);
removeMessages(MSG_UPDATE_GESTURE_TRAIL);
sendMessageDelayed(obtainMessage(MSG_UPDATE_GESTURE_TRAIL),
mGestureTrailParams.mUpdateInterval);
}
}
public GestureTrailsPreview(final View drawingView, final TypedArray mainKeyboardViewAttr) {
super(drawingView);
mGesturePreviewTrailParams = new Params(mainKeyboardViewAttr);
mDrawingHandler = new DrawingHandler(this, mGesturePreviewTrailParams);
mGestureTrailParams = new Params(mainKeyboardViewAttr);
mDrawingHandler = new DrawingHandler(this, mGestureTrailParams);
final Paint gesturePaint = new Paint();
gesturePaint.setAntiAlias(true);
gesturePaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC));
@ -133,21 +132,20 @@ public final class GestureTrailsPreview extends AbstractDrawingPreview {
offscreenCanvas.drawRect(dirtyRect, paint);
}
dirtyRect.setEmpty();
boolean needsUpdatingGesturePreviewTrail = false;
boolean needsUpdatingGestureTrail = false;
// Draw gesture trails to offscreen buffer.
synchronized (mGesturePreviewTrails) {
synchronized (mGestureTrails) {
// Trails count == fingers count that have ever been active.
final int trailsCount = mGesturePreviewTrails.size();
final int trailsCount = mGestureTrails.size();
for (int index = 0; index < trailsCount; index++) {
final GesturePreviewTrail trail = mGesturePreviewTrails.valueAt(index);
needsUpdatingGesturePreviewTrail |=
trail.drawGestureTrail(offscreenCanvas, paint,
mGesturePreviewTrailBoundsRect, mGesturePreviewTrailParams);
// {@link #mGesturePreviewTrailBoundsRect} has bounding box of the trail.
dirtyRect.union(mGesturePreviewTrailBoundsRect);
final GestureTrail trail = mGestureTrails.valueAt(index);
needsUpdatingGestureTrail |= trail.drawGestureTrail(offscreenCanvas, paint,
mGestureTrailBoundsRect, mGestureTrailParams);
// {@link #mGestureTrailBoundsRect} has bounding box of the trail.
dirtyRect.union(mGestureTrailBoundsRect);
}
}
return needsUpdatingGesturePreviewTrail;
return needsUpdatingGestureTrail;
}
/**
@ -161,9 +159,9 @@ public final class GestureTrailsPreview extends AbstractDrawingPreview {
}
mayAllocateOffscreenBuffer();
// Draw gesture trails to offscreen buffer.
final boolean needsUpdatingGesturePreviewTrail = drawGestureTrails(
final boolean needsUpdatingGestureTrail = drawGestureTrails(
mOffscreenCanvas, mGesturePaint, mDirtyRect);
if (needsUpdatingGesturePreviewTrail) {
if (needsUpdatingGestureTrail) {
mDrawingHandler.postUpdateGestureTrailPreview();
}
// Transfer offscreen buffer to screen.
@ -185,12 +183,12 @@ public final class GestureTrailsPreview extends AbstractDrawingPreview {
if (!isPreviewEnabled()) {
return;
}
GesturePreviewTrail trail;
synchronized (mGesturePreviewTrails) {
trail = mGesturePreviewTrails.get(tracker.mPointerId);
GestureTrail trail;
synchronized (mGestureTrails) {
trail = mGestureTrails.get(tracker.mPointerId);
if (trail == null) {
trail = new GesturePreviewTrail();
mGesturePreviewTrails.put(tracker.mPointerId, trail);
trail = new GestureTrail();
mGestureTrails.put(tracker.mPointerId, trail);
}
}
trail.addStroke(tracker.getGestureStrokeWithPreviewPoints(), tracker.getDownTime());