Add calls to stub for API to consume gesture data. (c92c883f) · Commits · e / os / android_packages_inputmethods_LatinIME

java-overridable/src/com/android/inputmethod/latin/touchinputconsumer/GestureConsumer.java

0 → 100644

+66 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2014 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.latin.touchinputconsumer;

		import android.view.inputmethod.EditorInfo;
		import com.android.inputmethod.keyboard.Keyboard;
		import com.android.inputmethod.latin.InputPointers;
		import com.android.inputmethod.latin.SuggestedWords;
		import com.android.inputmethod.latin.inputlogic.PrivateCommandPerformer;

		import java.util.List;
		import java.util.Locale;

		/**
		* Stub for GestureConsumer.
		* <br>
		* The methods of this class should only be called from a single thread, e.g.,
		* the UI Thread.
		*/
		public class GestureConsumer {
		public static final GestureConsumer NULL_GESTURE_CONSUMER =
		new GestureConsumer();

		public static GestureConsumer newInstance(
		final EditorInfo editorInfo, final PrivateCommandPerformer commandPerformer,
		final List<Locale> locales, final Keyboard keyboard) {
		return GestureConsumer.NULL_GESTURE_CONSUMER;
		}

		private GestureConsumer() {
		}

		public boolean willConsume() {
		return false;
		}

		public void onInit(final List<Locale> locales, final Keyboard keyboard) {
		}

		public void onGestureStarted(final List<Locale> locales, final Keyboard keyboard) {
		}

		public void onGestureCanceled() {
		}

		public void onGestureCompleted(final InputPointers inputPointers) {
		}

		public void onImeSuggestionsProcessed(final SuggestedWords suggestedWords,
		final int composingStart, final int composingLength) {
		}
		}

java/src/com/android/inputmethod/latin/LatinIME.java

+34 −1

Original line number	Diff line number	Diff line
		@@ -84,6 +84,7 @@ import com.android.inputmethod.latin.settings.SettingsActivity;
		import com.android.inputmethod.latin.settings.SettingsValues;
		import com.android.inputmethod.latin.suggestions.SuggestionStripView;
		import com.android.inputmethod.latin.suggestions.SuggestionStripViewAccessor;
		import com.android.inputmethod.latin.touchinputconsumer.GestureConsumer;
		import com.android.inputmethod.latin.utils.ApplicationUtils;
		import com.android.inputmethod.latin.utils.CapsModeUtils;
		import com.android.inputmethod.latin.utils.CoordinateUtils;
		@@ -101,6 +102,7 @@ import com.android.inputmethod.latin.utils.ViewLayoutUtils;
		import java.io.FileDescriptor;
		import java.io.PrintWriter;
		import java.util.ArrayList;
		import java.util.Collections;
		import java.util.List;
		import java.util.Locale;
		import java.util.concurrent.TimeUnit;
		@@ -176,6 +178,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen

		private final boolean mIsHardwareAcceleratedDrawingEnabled;

		private GestureConsumer mGestureConsumer = GestureConsumer.NULL_GESTURE_CONSUMER;

		public final UIHandler mHandler = new UIHandler(this);

		public static final class UIHandler extends LeakGuardHandlerWrapper<LatinIME> {
		@@ -255,9 +259,11 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
		latinIme.resetDictionaryFacilitatorIfNecessary();
		break;
		case MSG_UPDATE_TAIL_BATCH_INPUT_COMPLETED:
		final SuggestedWords suggestedWords = (SuggestedWords) msg.obj;
		latinIme.mInputLogic.onUpdateTailBatchInputCompleted(
		latinIme.mSettings.getCurrent(),
		(SuggestedWords) msg.obj, latinIme.mKeyboardSwitcher);
		suggestedWords, latinIme.mKeyboardSwitcher);
		latinIme.onTailBatchInputResultShown(suggestedWords);
		break;
		case MSG_RESET_CACHES:
		final SettingsValues settingsValues = latinIme.mSettings.getCurrent();
		@@ -799,6 +805,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
		StatsUtils.onFinishInputView();
		mHandler.onFinishInputView(finishingInput);
		mStatsUtilsManager.onFinishInputView();
		mGestureConsumer = GestureConsumer.NULL_GESTURE_CONSUMER;
		}

		@Override
		@@ -824,6 +831,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
		@SuppressWarnings("deprecation")
		private void onStartInputViewInternal(final EditorInfo editorInfo, final boolean restarting) {
		super.onStartInputView(editorInfo, restarting);
		// Switch to the null consumer to handle cases leading to early exit below, for which we
		// also wouldn't be consuming gesture data.
		mGestureConsumer = GestureConsumer.NULL_GESTURE_CONSUMER;
		mRichImm.clearSubtypeCaches();
		final KeyboardSwitcher switcher = mKeyboardSwitcher;
		switcher.updateKeyboardTheme();
		@@ -867,6 +877,12 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
		return;
		}

		// Update to a gesture consumer with the current editor and IME state.
		mGestureConsumer = GestureConsumer.newInstance(editorInfo,
		mInputLogic.getPrivateCommandPerformer(),
		Collections.singletonList(mSubtypeSwitcher.getCurrentSubtypeLocale()),
		switcher.getKeyboard());

		// Forward this event to the accessibility utilities, if enabled.
		final AccessibilityUtils accessUtils = AccessibilityUtils.getInstance();
		if (accessUtils.isTouchExplorationEnabled()) {
		@@ -1397,6 +1413,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
		@Override
		public void onStartBatchInput() {
		mInputLogic.onStartBatchInput(mSettings.getCurrent(), mKeyboardSwitcher, mHandler);
		mGestureConsumer.onGestureStarted(
		Collections.singletonList(mSubtypeSwitcher.getCurrentSubtypeLocale()),
		mKeyboardSwitcher.getKeyboard());
		}

		@Override
		@@ -1407,11 +1426,25 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
		@Override
		public void onEndBatchInput(final InputPointers batchPointers) {
		mInputLogic.onEndBatchInput(batchPointers);
		mGestureConsumer.onGestureCompleted(batchPointers);
		}

		@Override
		public void onCancelBatchInput() {
		mInputLogic.onCancelBatchInput(mHandler);
		mGestureConsumer.onGestureCanceled();
		}

		/**
		* To be called after the InputLogic has gotten a chance to act on the on-device decoding
		* for the full gesture, possibly updating the TextView to reflect the first decoding.
		* <p>
		* This method must be run on the UI Thread.
		* @param suggestedWords On-device decoding for the full gesture.
		*/
		public void onTailBatchInputResultShown(final SuggestedWords suggestedWords) {
		mGestureConsumer.onImeSuggestionsProcessed(suggestedWords,
		mInputLogic.getComposingStart(), mInputLogic.getComposingLength());
		}

		// This method must run on the UI Thread.

java/src/com/android/inputmethod/latin/RichInputConnection.java

+12 −1

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package com.android.inputmethod.latin;
		import android.graphics.Color;
		import android.inputmethodservice.InputMethodService;
		import android.os.Build;
		import android.os.Bundle;
		import android.text.SpannableStringBuilder;
		import android.text.Spanned;
		import android.text.TextUtils;
		@@ -33,6 +34,7 @@ import android.view.inputmethod.InputConnection;
		import android.view.inputmethod.InputMethodManager;

		import com.android.inputmethod.compat.InputConnectionCompatUtils;
		import com.android.inputmethod.latin.inputlogic.PrivateCommandPerformer;
		import com.android.inputmethod.latin.settings.SpacingAndPunctuations;
		import com.android.inputmethod.latin.utils.CapsModeUtils;
		import com.android.inputmethod.latin.utils.DebugLogUtils;
		@@ -52,7 +54,7 @@ import java.util.Arrays;
		* all the time to find out what text is in the buffer, when we need it to determine caps mode
		* for example.
		*/
		public final class RichInputConnection {
		public final class RichInputConnection implements PrivateCommandPerformer {
		private static final String TAG = RichInputConnection.class.getSimpleName();
		private static final boolean DBG = false;
		private static final boolean DEBUG_PREVIOUS_TEXT = false;
		@@ -896,6 +898,15 @@ public final class RichInputConnection {
		}
		}

		@Override
		public boolean performPrivateCommand(final String action, final Bundle data) {
		mIC = mParent.getCurrentInputConnection();
		if (mIC == null) {
		return false;
		}
		return mIC.performPrivateCommand(action, data);
		}

		public int getExpectedSelectionStart() {
		return mExpectedSelStart;
		}

java/src/com/android/inputmethod/latin/WordComposer.java

+1 −2

Original line number	Diff line number	Diff line
		@@ -128,8 +128,7 @@ public final class WordComposer {
		* Number of keystrokes in the composing word.
		* @return the number of keystrokes
		*/
		// This may be made public if need be, but right now it's not used anywhere
		/* package for tests */ int size() {
		public int size() {
		return mCodePointSize;
		}

java/src/com/android/inputmethod/latin/inputlogic/InputLogic.java

+41 −0

Original line number	Diff line number	Diff line
		@@ -2263,6 +2263,47 @@ public final class InputLogic {
		mConnection.setComposingText(composingTextToBeSet, newCursorPosition);
		}

		/**
		* Gets an object allowing private IME commands to be sent to the
		* underlying editor.
		* @return An object for sending private commands to the underlying editor.
		*/
		public PrivateCommandPerformer getPrivateCommandPerformer() {
		return mConnection;
		}

		/**
		* Gets the expected index of the first char of the composing span within the editor's text.
		* Returns a negative value in case there appears to be no valid composing span.
		*
		* @see #getComposingLength()
		* @see RichInputConnection#hasSelection()
		* @see RichInputConnection#isCursorPositionKnown()
		* @see RichInputConnection#getExpectedSelectionStart()
		* @see RichInputConnection#getExpectedSelectionEnd()
		* @return The expected index in Java chars of the first char of the composing span.
		*/
		// TODO: try and see if we can get rid of this method. Ideally the users of this class should
		// never need to know this.
		public int getComposingStart() {
		if (!mConnection.isCursorPositionKnown() \|\| mConnection.hasSelection()) {
		return -1;
		}
		return mConnection.getExpectedSelectionStart() - mWordComposer.size();
		}

		/**
		* Gets the expected length in Java chars of the composing span.
		* May be 0 if there is no valid composing span.
		* @see #getComposingStart()
		* @return The expected length of the composing span.
		*/
		// TODO: try and see if we can get rid of this method. Ideally the users of this class should
		// never need to know this.
		public int getComposingLength() {
		return mWordComposer.size();
		}

		//////////////////////////////////////////////////////////////////////////////////////////////
		// Following methods are tentatively placed in this class for the integration with
		// TextDecorator.