Add SlidingKeyInputPreview class (a237cd4a) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/keyboard/internal/PreviewPlacerView.java

+10 −19

Original line number	Diff line number	Diff line
		@@ -57,9 +57,7 @@ public final class PreviewPlacerView extends RelativeLayout {
		private final Rect mGesturePreviewTrailBoundsRect = new Rect(); // per trail
		// TODO: Move these AbstractDrawingPvreiew objects to MainKeyboardView.
		private final GestureFloatingPreviewText mGestureFloatingPreviewText;
		private boolean mShowSlidingKeyInputPreview;
		private final int[] mRubberBandFrom = CoordinateUtils.newInstance();
		private final int[] mRubberBandTo = CoordinateUtils.newInstance();
		private final SlidingKeyInputPreview mSlidingKeyInputPreview;

		private final DrawingHandler mDrawingHandler;

		@@ -107,6 +105,7 @@ public final class PreviewPlacerView extends RelativeLayout {
		// MultiGesturePreviewText, depending on the user's choice in the settings.
		mGestureFloatingPreviewText = new GestureFloatingPreviewText(this, mainKeyboardViewAttr);
		mGesturePreviewTrailParams = new Params(mainKeyboardViewAttr);
		mSlidingKeyInputPreview = new SlidingKeyInputPreview(this, mainKeyboardViewAttr);
		mainKeyboardViewAttr.recycle();

		mDrawingHandler = new DrawingHandler(this, mGesturePreviewTrailParams);
		@@ -125,6 +124,7 @@ public final class PreviewPlacerView extends RelativeLayout {
		final int height) {
		CoordinateUtils.copy(mKeyboardViewOrigin, originCoords);
		mGestureFloatingPreviewText.setKeyboardGeometry(originCoords, width, height);
		mSlidingKeyInputPreview.setKeyboardGeometry(originCoords, width, height);
		mOffscreenOffsetY = (int)(
		height * GestureStroke.EXTRA_GESTURE_TRAIL_AREA_ABOVE_KEYBOARD_RATIO);
		mOffscreenWidth = width;
		@@ -156,25 +156,21 @@ public final class PreviewPlacerView extends RelativeLayout {
		}
		}

		// TODO: Move this method to MainKeyboardView
		public void showSlidingKeyInputPreview(final PointerTracker tracker) {
		if (!tracker.isInSlidingKeyInputFromModifier()) {
		mShowSlidingKeyInputPreview = false;
		return;
		}
		tracker.getDownCoordinates(mRubberBandFrom);
		tracker.getLastCoordinates(mRubberBandTo);
		mShowSlidingKeyInputPreview = true;
		invalidate();
		mSlidingKeyInputPreview.setPreviewPosition(tracker);
		}

		// TODO: Move this method to MainKeyboardView
		public void dismissSlidingKeyInputPreview() {
		mShowSlidingKeyInputPreview = false;
		mSlidingKeyInputPreview.dismissSlidingKeyInputPreview();
		}

		@Override
		protected void onDetachedFromWindow() {
		super.onDetachedFromWindow();
		mGestureFloatingPreviewText.onDetachFromWindow();
		mSlidingKeyInputPreview.onDetachFromWindow();
		freeOffscreenBuffer();
		}

		@@ -221,9 +217,7 @@ public final class PreviewPlacerView extends RelativeLayout {
		}
		}
		mGestureFloatingPreviewText.drawPreview(canvas);
		if (mShowSlidingKeyInputPreview) {
		drawSlidingKeyInputPreview(canvas);
		}
		mSlidingKeyInputPreview.drawPreview(canvas);
		canvas.translate(-originX, -originY);
		}

		@@ -253,11 +247,8 @@ public final class PreviewPlacerView extends RelativeLayout {
		return needsUpdatingGesturePreviewTrail;
		}

		// TODO: Move this method to MainKeyboardView.
		public void setGestureFloatingPreviewText(final SuggestedWords suggestedWords) {
		mGestureFloatingPreviewText.setSuggetedWords(suggestedWords);
		}

		private void drawSlidingKeyInputPreview(final Canvas canvas) {
		// TODO: Implement rubber band preview
		}
		}

java/src/com/android/inputmethod/keyboard/internal/SlidingKeyInputPreview.java

0 → 100644

+69 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2013 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.inputmethod.keyboard.internal;

		import android.content.res.TypedArray;
		import android.graphics.Canvas;
		import android.view.View;

		import com.android.inputmethod.keyboard.PointerTracker;
		import com.android.inputmethod.latin.CoordinateUtils;

		/**
		* Draw rubber band preview graphics during sliding key input.
		*/
		public final class SlidingKeyInputPreview extends AbstractDrawingPreview {
		private boolean mShowSlidingKeyInputPreview;
		private final int[] mRubberBandFrom = CoordinateUtils.newInstance();
		private final int[] mRubberBandTo = CoordinateUtils.newInstance();

		public SlidingKeyInputPreview(final View drawingView, final TypedArray mainKeyboardViewAttr) {
		super(drawingView);
		}

		public void dismissSlidingKeyInputPreview() {
		mShowSlidingKeyInputPreview = false;
		}

		/**
		* Draws the preview
		* @param canvas The canvas where the preview is drawn.
		*/
		@Override
		public void drawPreview(final Canvas canvas) {
		if (!isPreviewEnabled() \|\| mShowSlidingKeyInputPreview == false) {
		return;
		}
		// TODO: Implement rubber band preview
		}

		/**
		* Set the position of the preview.
		* @param tracker The new location of the preview is based on the points in PointerTracker.
		*/
		@Override
		public void setPreviewPosition(final PointerTracker tracker) {
		if (!tracker.isInSlidingKeyInputFromModifier()) {
		mShowSlidingKeyInputPreview = false;
		return;
		}
		tracker.getDownCoordinates(mRubberBandFrom);
		tracker.getLastCoordinates(mRubberBandTo);
		mShowSlidingKeyInputPreview = true;
		getDrawingView().invalidate();
		}
		}