зеркало из https://github.com/mozilla/gecko-dev.git
Bug 805162 - j. Implement GeckoEditable to encapsulate and marshal Gecko-Java IME communication; r=cpeterson
This commit is contained in:
Jim Chen
Родитель
5d6c93b431
Коммит
fa575ee5fa
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@ -0,0 +1,799 @@
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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko;
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import android.text.Editable;
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import android.text.InputFilter;
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import android.text.Spanned;
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import android.text.Spannable;
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import android.text.SpannableString;
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import android.text.SpannableStringBuilder;
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import android.text.Selection;
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import android.text.style.UnderlineSpan;
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import android.text.style.ForegroundColorSpan;
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import android.text.style.BackgroundColorSpan;
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import android.util.Log;
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import java.lang.reflect.InvocationHandler;
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import java.lang.reflect.Method;
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import java.lang.reflect.Proxy;
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import java.util.concurrent.ConcurrentLinkedQueue;
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import java.util.concurrent.Semaphore;
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// interface for the UI thread
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interface GeckoEditableClient {
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void sendEvent(GeckoEvent event);
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Editable getEditable();
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void setUpdateGecko(boolean update);
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void setListener(GeckoEditableListener listener);
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}
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/* interface for the Editable to listen to the Gecko thread
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and also for the UI thread to listen to the Editable */
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interface GeckoEditableListener {
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void notifyIME(int type, int state);
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void notifyIMEEnabled(int state, String typeHint,
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String modeHint, String actionHint);
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void onSelectionChange(int start, int end);
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void onTextChange(String text, int start, int oldEnd, int newEnd);
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}
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/*
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GeckoEditable implements only some functions of Editable
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The field mText contains the actual underlying
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SpannableStringBuilder/Editable that contains our text.
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*/
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final class GeckoEditable
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implements InvocationHandler, Editable,
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GeckoEditableClient, GeckoEditableListener {
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private static final boolean DEBUG = false;
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private static final String LOGTAG = "GeckoEditable";
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private static final int NOTIFY_IME_REPLY_EVENT = 1;
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// Filters to implement Editable's filtering functionality
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private InputFilter[] mFilters;
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private final SpannableStringBuilder mText;
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private final Editable mProxy;
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private GeckoEditableListener mListener;
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private final ActionQueue mActionQueue;
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private int mSavedSelectionStart;
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private int mSelectionSeqno;
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private int mCompositionSeqno;
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private int mLastUpdatedCompositionSeqno;
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private boolean mUpdateGecko;
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/* An action that alters the Editable
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Each action corresponds to a Gecko event. While the Gecko event is being sent to the Gecko
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thread, the action stays on top of mActions queue. After the Gecko event is processed and
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replied, the action is removed from the queue
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*/
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private static final class Action {
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// For input events (keypress, etc.); use with IME_SYNCHRONIZE
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static final int TYPE_EVENT = 0;
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// For Editable.replace() call; use with IME_REPLACE_TEXT
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static final int TYPE_REPLACE_TEXT = 1;
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/* For Editable.setSpan(Selection...) call; use with IME_SYNCHRONIZE
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Note that we don't use this with IME_SET_SELECTION because we don't want to update the
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Gecko selection at the point of this action. The Gecko selection is updated only after
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UI has updated its selection (during IME_SYNCHRONIZE reply) */
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static final int TYPE_SET_SELECTION = 2;
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// For Editable.setSpan() call; use with IME_SYNCHRONIZE
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static final int TYPE_SET_SPAN = 3;
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// For Editable.removeSpan() call; use with IME_SYNCHRONIZE
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static final int TYPE_REMOVE_SPAN = 4;
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final int mType;
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int mStart;
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int mEnd;
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CharSequence mSequence;
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Object mSpanObject;
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int mSpanFlags;
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Action(int type) {
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mType = type;
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}
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static Action newReplaceText(CharSequence text, int start, int end) {
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if (start < 0 || start > end) {
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throw new IllegalArgumentException("invalid replace text offsets");
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}
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final Action action = new Action(TYPE_REPLACE_TEXT);
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action.mSequence = text;
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action.mStart = start;
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action.mEnd = end;
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return action;
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}
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static Action newSetSelection(int start, int end) {
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if (start < 0 || start > end) {
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throw new IllegalArgumentException("invalid selection offsets");
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}
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final Action action = new Action(TYPE_SET_SELECTION);
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action.mStart = start;
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action.mEnd = end;
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return action;
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}
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static Action newSetSpan(Object object, int start, int end, int flags) {
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if (start < 0 || start > end) {
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throw new IllegalArgumentException("invalid span offsets");
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}
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final Action action = new Action(TYPE_SET_SPAN);
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action.mSpanObject = object;
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action.mStart = start;
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action.mEnd = end;
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action.mSpanFlags = flags;
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return action;
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}
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}
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/* Queue of editing actions sent to Gecko thread that
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the Gecko thread has not responded to yet */
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private final class ActionQueue {
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private final ConcurrentLinkedQueue<Action> mActions;
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private final Semaphore mActionsActive;
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ActionQueue() {
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mActions = new ConcurrentLinkedQueue<Action>();
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mActionsActive = new Semaphore(1);
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}
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void offer(Action action) {
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if (DEBUG) {
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GeckoApp.assertOnUiThread();
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}
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if (mActions.isEmpty()) {
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mActionsActive.acquireUninterruptibly();
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mActions.offer(action);
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} else synchronized(this) {
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// tryAcquire here in case Gecko thread has just released it
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mActionsActive.tryAcquire();
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mActions.offer(action);
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}
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switch (action.mType) {
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case Action.TYPE_EVENT:
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case Action.TYPE_SET_SELECTION:
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case Action.TYPE_SET_SPAN:
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case Action.TYPE_REMOVE_SPAN:
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GeckoAppShell.sendEventToGecko(
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GeckoEvent.createIMEEvent(GeckoEvent.IME_SYNCHRONIZE));
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break;
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case Action.TYPE_REPLACE_TEXT:
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GeckoAppShell.sendEventToGecko(GeckoEvent.createIMEReplaceEvent(
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action.mStart, action.mEnd, action.mSequence.toString()));
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break;
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}
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++mCompositionSeqno;
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}
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void poll() {
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if (DEBUG) {
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GeckoApp.assertOnGeckoThread();
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}
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if (mActions.isEmpty()) {
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throw new IllegalStateException("empty actions queue");
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}
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mActions.poll();
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// Don't bother locking if queue is not empty yet
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if (mActions.isEmpty()) {
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synchronized(this) {
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if (mActions.isEmpty()) {
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mActionsActive.release();
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}
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}
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}
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}
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Action peek() {
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if (DEBUG) {
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GeckoApp.assertOnGeckoThread();
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}
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if (mActions.isEmpty()) {
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throw new IllegalStateException("empty actions queue");
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}
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return mActions.peek();
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}
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void syncWithGecko() {
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if (DEBUG) {
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GeckoApp.assertOnUiThread();
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}
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if (!mActions.isEmpty()) {
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mActionsActive.acquireUninterruptibly();
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mActionsActive.release();
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}
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}
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boolean isEmpty() {
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return mActions.isEmpty();
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}
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}
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GeckoEditable() {
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mActionQueue = new ActionQueue();
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mSavedSelectionStart = -1;
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mUpdateGecko = true;
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mText = new SpannableStringBuilder();
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final Class[] PROXY_INTERFACES = { Editable.class };
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mProxy = (Editable)Proxy.newProxyInstance(
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Editable.class.getClassLoader(),
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PROXY_INTERFACES, this);
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}
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private static void geckoPostToUI(Runnable runnable) {
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GeckoApp.mAppContext.mMainHandler.post(runnable);
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}
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private void geckoUpdateGecko(final boolean force) {
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if (mUpdateGecko) {
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geckoPostToUI(new Runnable() {
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public void run() {
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uiUpdateGecko(force);
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}
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});
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}
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}
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private void uiUpdateGecko(boolean force) {
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if (!force && mCompositionSeqno == mLastUpdatedCompositionSeqno) {
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if (DEBUG) {
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Log.d(LOGTAG, "uiUpdateGecko() skipped");
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}
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return;
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}
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mLastUpdatedCompositionSeqno = mCompositionSeqno;
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mActionQueue.syncWithGecko();
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if (DEBUG) {
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Log.d(LOGTAG, "uiUpdateGecko()");
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}
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final int selStart = mText.getSpanStart(Selection.SELECTION_START);
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final int selEnd = mText.getSpanEnd(Selection.SELECTION_END);
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int composingStart = mText.length();
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int composingEnd = 0;
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Object[] spans = mText.getSpans(0, composingStart, Object.class);
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for (Object span : spans) {
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if ((mText.getSpanFlags(span) & Spanned.SPAN_COMPOSING) != 0) {
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composingStart = Math.min(composingStart, mText.getSpanStart(span));
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composingEnd = Math.max(composingEnd, mText.getSpanEnd(span));
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}
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}
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if (DEBUG) {
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Log.d(LOGTAG, " range = " + composingStart + "-" + composingEnd);
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Log.d(LOGTAG, " selection = " + selStart + "-" + selEnd);
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}
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if (composingStart >= composingEnd) {
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GeckoAppShell.sendEventToGecko(GeckoEvent.createIMEEvent(
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GeckoEvent.IME_REMOVE_COMPOSITION));
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if (selStart >= 0 && selEnd >= 0) {
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GeckoAppShell.sendEventToGecko(
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GeckoEvent.createIMESelectEvent(selStart, selEnd));
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}
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return;
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}
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if (selEnd >= composingStart && selEnd <= composingEnd) {
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GeckoAppShell.sendEventToGecko(GeckoEvent.createIMERangeEvent(
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selEnd - composingStart, selEnd - composingStart,
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GeckoEvent.IME_RANGE_CARETPOSITION, 0, 0, 0));
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}
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int rangeStart = composingStart;
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do {
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int rangeType, rangeStyles = 0;
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int rangeForeColor = 0, rangeBackColor = 0;
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int rangeEnd = mText.nextSpanTransition(rangeStart, composingEnd, Object.class);
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if (selStart > rangeStart && selStart < rangeEnd) {
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rangeEnd = selStart;
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} else if (selEnd > rangeStart && selEnd < rangeEnd) {
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rangeEnd = selEnd;
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}
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spans = mText.getSpans(rangeStart, rangeEnd, Object.class);
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if (DEBUG) {
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Log.d(LOGTAG, " found " + spans.length + " spans @ " +
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rangeStart + "-" + rangeEnd);
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}
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if (spans.length == 0) {
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rangeType = (selStart == rangeStart && selEnd == rangeEnd)
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? GeckoEvent.IME_RANGE_SELECTEDRAWTEXT
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: GeckoEvent.IME_RANGE_RAWINPUT;
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} else {
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rangeType = (selStart == rangeStart && selEnd == rangeEnd)
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? GeckoEvent.IME_RANGE_SELECTEDCONVERTEDTEXT
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: GeckoEvent.IME_RANGE_CONVERTEDTEXT;
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for (Object span : spans) {
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if (span instanceof UnderlineSpan) {
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rangeStyles |= GeckoEvent.IME_RANGE_UNDERLINE;
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} else if (span instanceof ForegroundColorSpan) {
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rangeStyles |= GeckoEvent.IME_RANGE_FORECOLOR;
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rangeForeColor =
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((ForegroundColorSpan)span).getForegroundColor();
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} else if (span instanceof BackgroundColorSpan) {
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rangeStyles |= GeckoEvent.IME_RANGE_BACKCOLOR;
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rangeBackColor =
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((BackgroundColorSpan)span).getBackgroundColor();
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}
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}
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}
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GeckoAppShell.sendEventToGecko(GeckoEvent.createIMERangeEvent(
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rangeStart - composingStart, rangeEnd - composingStart,
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rangeType, rangeStyles, rangeForeColor, rangeBackColor));
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rangeStart = rangeEnd;
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if (DEBUG) {
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Log.d(LOGTAG, " added " + rangeType + " : " + rangeStyles +
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" : " + Integer.toHexString(rangeForeColor) +
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" : " + Integer.toHexString(rangeBackColor));
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}
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} while (rangeStart < composingEnd);
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GeckoAppShell.sendEventToGecko(GeckoEvent.createIMECompositionEvent(
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composingStart, composingEnd));
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}
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// GeckoEditableClient interface
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@Override
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public void sendEvent(GeckoEvent event) {
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if (DEBUG) {
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// GeckoEditableClient methods should all be called from the UI thread
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GeckoApp.assertOnUiThread();
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}
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/*
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We are actually sending two events to Gecko here,
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1. Event from the event parameter (key event, etc.)
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2. Sync event from the mActionQueue.offer call
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The first event is a normal GeckoEvent that does not reply back to us,
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the second sync event will have a reply, during which we see that there is a pending
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event-type action, and update the selection/composition/etc. accordingly.
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*/
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GeckoAppShell.sendEventToGecko(event);
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mActionQueue.offer(new Action(Action.TYPE_EVENT));
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}
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@Override
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public Editable getEditable() {
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if (DEBUG) {
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// GeckoEditableClient methods should all be called from the UI thread
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GeckoApp.assertOnUiThread();
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}
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return mProxy;
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}
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@Override
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public void setUpdateGecko(boolean update) {
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if (DEBUG) {
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// GeckoEditableClient methods should all be called from the UI thread
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GeckoApp.assertOnUiThread();
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}
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if (update) {
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uiUpdateGecko(false);
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}
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mUpdateGecko = update;
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}
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@Override
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public void setListener(GeckoEditableListener listener) {
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if (DEBUG) {
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// GeckoEditableClient methods should all be called from the UI thread
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GeckoApp.assertOnUiThread();
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}
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mListener = listener;
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}
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// GeckoEditableListener interface
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void geckoActionReply() {
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if (DEBUG) {
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// GeckoEditableListener methods should all be called from the Gecko thread
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GeckoApp.assertOnGeckoThread();
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}
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final Action action = mActionQueue.peek();
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switch (action.mType) {
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case Action.TYPE_SET_SELECTION:
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final int len = mText.length();
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final int selStart = Math.min(action.mStart, len);
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final int selEnd = Math.min(action.mEnd, len);
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||||
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if (selStart < action.mStart || selEnd < action.mEnd) {
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Log.w(LOGTAG, "IME sync error: selection out of bounds");
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}
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Selection.setSelection(mText, selStart, selEnd);
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geckoPostToUI(new Runnable() {
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public void run() {
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mActionQueue.syncWithGecko();
|
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final int start = Selection.getSelectionStart(mText);
|
||||
final int end = Selection.getSelectionEnd(mText);
|
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if (mListener != null &&
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selStart == start && selEnd == end) {
|
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// There has not been another new selection in the mean time that
|
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// made this notification out-of-date
|
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mListener.onSelectionChange(start, end);
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}
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}
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});
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break;
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case Action.TYPE_SET_SPAN:
|
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mText.setSpan(action.mSpanObject, action.mStart, action.mEnd, action.mSpanFlags);
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break;
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}
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geckoUpdateGecko(false);
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mActionQueue.poll();
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}
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@Override
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public void notifyIME(final int type, final int state) {
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if (DEBUG) {
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// GeckoEditableListener methods should all be called from the Gecko thread
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GeckoApp.assertOnGeckoThread();
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}
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if (type == NOTIFY_IME_REPLY_EVENT) {
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geckoActionReply();
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return;
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}
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geckoPostToUI(new Runnable() {
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public void run() {
|
||||
// Make sure there are no other things going on
|
||||
mActionQueue.syncWithGecko();
|
||||
if (mListener != null) {
|
||||
mListener.notifyIME(type, state);
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||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
@Override
|
||||
public void notifyIMEEnabled(final int state, final String typeHint,
|
||||
final String modeHint, final String actionHint) {
|
||||
if (DEBUG) {
|
||||
// GeckoEditableListener methods should all be called from the Gecko thread
|
||||
GeckoApp.assertOnGeckoThread();
|
||||
}
|
||||
geckoPostToUI(new Runnable() {
|
||||
public void run() {
|
||||
// Make sure there are no other things going on
|
||||
mActionQueue.syncWithGecko();
|
||||
if (mListener != null) {
|
||||
mListener.notifyIMEEnabled(state, typeHint,
|
||||
modeHint, actionHint);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onSelectionChange(final int start, final int end) {
|
||||
if (DEBUG) {
|
||||
// GeckoEditableListener methods should all be called from the Gecko thread
|
||||
GeckoApp.assertOnGeckoThread();
|
||||
}
|
||||
if (start < 0 || start > end || end > mText.length()) {
|
||||
throw new IllegalArgumentException("invalid selection notification range");
|
||||
}
|
||||
if (!mUpdateGecko) {
|
||||
// Selection will be updated at the end of the batch operation
|
||||
return;
|
||||
}
|
||||
final int seqnoWhenPosted = ++mSelectionSeqno;
|
||||
|
||||
geckoPostToUI(new Runnable() {
|
||||
public void run() {
|
||||
mActionQueue.syncWithGecko();
|
||||
/* check to see there has not been another action that potentially changed the
|
||||
selection. If so, we can skip this update because we know there is another
|
||||
update right after this one that will replace the effect of this update */
|
||||
if (mSelectionSeqno == seqnoWhenPosted) {
|
||||
Selection.setSelection(mProxy, start, end);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onTextChange(final String text, final int start,
|
||||
final int unboundedOldEnd, final int unboundedNewEnd) {
|
||||
if (DEBUG) {
|
||||
// GeckoEditableListener methods should all be called from the Gecko thread
|
||||
GeckoApp.assertOnGeckoThread();
|
||||
}
|
||||
if (start < 0 || start > unboundedOldEnd) {
|
||||
throw new IllegalArgumentException("invalid text notification range");
|
||||
}
|
||||
/* For the "end" parameters, Gecko can pass in a large
|
||||
number to denote "end of the text". Fix that here */
|
||||
final int oldEnd = unboundedOldEnd > mText.length() ? mText.length() : unboundedOldEnd;
|
||||
// new end should always match text
|
||||
if (unboundedNewEnd < (start + text.length())) {
|
||||
throw new IllegalArgumentException("newEnd does not match text");
|
||||
}
|
||||
final int newEnd = start + text.length();
|
||||
|
||||
if (!mActionQueue.isEmpty()) {
|
||||
final Action action = mActionQueue.peek();
|
||||
if (action.mType == Action.TYPE_REPLACE_TEXT &&
|
||||
action.mStart == start &&
|
||||
text.equals(action.mSequence.toString())) {
|
||||
// Replace using saved text to preserve spans
|
||||
mText.replace(start, oldEnd, action.mSequence,
|
||||
0, action.mSequence.length());
|
||||
} else {
|
||||
mText.replace(start, oldEnd, text, 0, text.length());
|
||||
}
|
||||
} else {
|
||||
mText.replace(start, oldEnd, text, 0, text.length());
|
||||
geckoUpdateGecko(true);
|
||||
geckoPostToUI(new Runnable() {
|
||||
public void run() {
|
||||
if (mListener != null) {
|
||||
mListener.onTextChange(text, start, oldEnd, newEnd);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
// InvocationHandler interface
|
||||
|
||||
private static StringBuilder debugAppend(StringBuilder sb, Object obj) {
|
||||
if (obj == null) {
|
||||
sb.append("null");
|
||||
} else if (obj instanceof GeckoEditable) {
|
||||
sb.append("GeckoEditable");
|
||||
} else if (Proxy.isProxyClass(obj.getClass())) {
|
||||
debugAppend(sb, Proxy.getInvocationHandler(obj));
|
||||
} else if (obj instanceof CharSequence) {
|
||||
sb.append("\"").append(obj.toString().replace('\n', '\u21b2')).append("\"");
|
||||
} else if (obj.getClass().isArray()) {
|
||||
Class cls = obj.getClass();
|
||||
sb.append(cls.getComponentType().getSimpleName()).append("[")
|
||||
.append(java.lang.reflect.Array.getLength(obj)).append("]");
|
||||
} else {
|
||||
sb.append(obj.toString());
|
||||
}
|
||||
return sb;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Object invoke(Object proxy, Method method, Object[] args)
|
||||
throws Throwable {
|
||||
Object target;
|
||||
final Class methodInterface = method.getDeclaringClass();
|
||||
if (DEBUG) {
|
||||
// Editable methods should all be called from the UI thread
|
||||
GeckoApp.assertOnUiThread();
|
||||
}
|
||||
if (methodInterface == Editable.class ||
|
||||
methodInterface == Appendable.class ||
|
||||
methodInterface == Spannable.class) {
|
||||
// Method alters the Editable; route calls to our implementation
|
||||
target = this;
|
||||
} else {
|
||||
// Method queries the Editable; must sync with Gecko first
|
||||
// then call on the inner Editable itself
|
||||
mActionQueue.syncWithGecko();
|
||||
target = mText;
|
||||
}
|
||||
Object ret = method.invoke(target, args);
|
||||
if (DEBUG) {
|
||||
StringBuilder log = new StringBuilder(method.getName());
|
||||
log.append("(");
|
||||
for (Object arg : args) {
|
||||
debugAppend(log, arg).append(", ");
|
||||
}
|
||||
if (args.length > 0) {
|
||||
log.setLength(log.length() - 2);
|
||||
}
|
||||
if (method.getReturnType().equals(Void.TYPE)) {
|
||||
log.append(")");
|
||||
} else {
|
||||
debugAppend(log.append(") = "), ret);
|
||||
}
|
||||
Log.d(LOGTAG, log.toString());
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
// Spannable interface
|
||||
|
||||
private static boolean isCompositionSpan(Object what, int flags) {
|
||||
return (flags & Spanned.SPAN_COMPOSING) != 0 ||
|
||||
what instanceof UnderlineSpan ||
|
||||
what instanceof ForegroundColorSpan ||
|
||||
what instanceof BackgroundColorSpan;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void removeSpan(Object what) {
|
||||
if (what == Selection.SELECTION_START ||
|
||||
what == Selection.SELECTION_END) {
|
||||
Log.w(LOGTAG, "selection removed with removeSpan()");
|
||||
}
|
||||
// Okay to remove immediately
|
||||
mText.removeSpan(what);
|
||||
if (mUpdateGecko) {
|
||||
mActionQueue.offer(new Action(Action.TYPE_REMOVE_SPAN));
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setSpan(Object what, int start, int end, int flags) {
|
||||
if (what == Selection.SELECTION_START) {
|
||||
if ((flags & Spanned.SPAN_INTERMEDIATE) != 0) {
|
||||
// We will get the end offset next, just save the start for now
|
||||
mSavedSelectionStart = start;
|
||||
} else {
|
||||
mActionQueue.offer(Action.newSetSelection(start, -1));
|
||||
}
|
||||
} else if (what == Selection.SELECTION_END) {
|
||||
mActionQueue.offer(Action.newSetSelection(mSavedSelectionStart, end));
|
||||
mSavedSelectionStart = -1;
|
||||
} else {
|
||||
mActionQueue.offer(Action.newSetSpan(what, start, end, flags));
|
||||
}
|
||||
}
|
||||
|
||||
// Appendable interface
|
||||
|
||||
@Override
|
||||
public Editable append(CharSequence text) {
|
||||
return replace(length(), length(), text, 0, text.length());
|
||||
}
|
||||
|
||||
@Override
|
||||
public Editable append(CharSequence text, int start, int end) {
|
||||
return replace(length(), length(), text, start, end);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Editable append(char text) {
|
||||
return replace(length(), length(), String.valueOf(text), 0, 1);
|
||||
}
|
||||
|
||||
// Editable interface
|
||||
|
||||
@Override
|
||||
public InputFilter[] getFilters() {
|
||||
return mFilters;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setFilters(InputFilter[] filters) {
|
||||
mFilters = filters;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void clearSpans() {
|
||||
/* XXX this clears the selection spans too,
|
||||
but there is no way to clear the corresponding selection in Gecko */
|
||||
Log.w(LOGTAG, "selection cleared with clearSpans()");
|
||||
mText.clearSpans();
|
||||
}
|
||||
|
||||
@Override
|
||||
public Editable replace(int st, int en,
|
||||
CharSequence source, int start, int end) {
|
||||
|
||||
CharSequence text = source;
|
||||
if (start < 0 || start > end || end > text.length()) {
|
||||
throw new IllegalArgumentException("invalid replace offsets");
|
||||
}
|
||||
if (start != 0 || end != text.length()) {
|
||||
text = text.subSequence(start, end);
|
||||
}
|
||||
if (mFilters != null) {
|
||||
// Filter text before sending the request to Gecko
|
||||
for (int i = 0; i < mFilters.length; ++i) {
|
||||
final CharSequence cs = mFilters[i].filter(
|
||||
text, 0, text.length(), mProxy, st, en);
|
||||
if (cs != null) {
|
||||
text = cs;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (text == source) {
|
||||
// Always create a copy
|
||||
text = new SpannableString(source);
|
||||
}
|
||||
mActionQueue.offer(Action.newReplaceText(text,
|
||||
Math.min(st, en), Math.max(st, en)));
|
||||
return mProxy;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void clear() {
|
||||
replace(0, length(), "", 0, 0);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Editable delete(int st, int en) {
|
||||
return replace(st, en, "", 0, 0);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Editable insert(int where, CharSequence text,
|
||||
int start, int end) {
|
||||
return replace(where, where, text, start, end);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Editable insert(int where, CharSequence text) {
|
||||
return replace(where, where, text, 0, text.length());
|
||||
}
|
||||
|
||||
@Override
|
||||
public Editable replace(int st, int en, CharSequence text) {
|
||||
return replace(st, en, text, 0, text.length());
|
||||
}
|
||||
|
||||
/* GetChars interface */
|
||||
|
||||
@Override
|
||||
public void getChars(int start, int end, char[] dest, int destoff) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
/* Spanned interface */
|
||||
|
||||
@Override
|
||||
public int getSpanEnd(Object tag) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getSpanFlags(Object tag) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getSpanStart(Object tag) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
@Override
|
||||
public <T> T[] getSpans(int start, int end, Class<T> type) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
@Override
|
||||
public int nextSpanTransition(int start, int limit, Class type) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
/* CharSequence interface */
|
||||
|
||||
@Override
|
||||
public char charAt(int index) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
@Override
|
||||
public int length() {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
@Override
|
||||
public CharSequence subSequence(int start, int end) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -77,6 +77,7 @@ FENNEC_JAVA_FILES = \
|
|||
GeckoAppShell.java \
|
||||
GeckoBatteryManager.java \
|
||||
GeckoConnectivityReceiver.java \
|
||||
GeckoEditable.java \
|
||||
GeckoEvent.java \
|
||||
GeckoHalDefines.java \
|
||||
GeckoInputConnection.java \
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче