mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 22:25:30 +00:00
1065 lines
43 KiB
Java
1065 lines
43 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; 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 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.SynchronousQueue;
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import org.mozilla.gecko.gfx.InputConnectionHandler;
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import org.mozilla.gecko.util.Clipboard;
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import org.mozilla.gecko.util.GamepadUtils;
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import org.mozilla.gecko.util.ThreadUtils;
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import org.mozilla.gecko.util.ThreadUtils.AssertBehavior;
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import android.R;
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import android.content.Context;
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import android.os.Build;
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import android.os.Handler;
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import android.os.Looper;
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import android.os.SystemClock;
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import android.text.Editable;
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import android.text.InputType;
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import android.text.Selection;
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import android.text.SpannableString;
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import android.text.method.KeyListener;
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import android.text.method.TextKeyListener;
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import android.util.DisplayMetrics;
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import android.util.Log;
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import android.view.KeyEvent;
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import android.view.View;
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import android.view.inputmethod.BaseInputConnection;
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import android.view.inputmethod.EditorInfo;
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import android.view.inputmethod.ExtractedText;
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import android.view.inputmethod.ExtractedTextRequest;
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import android.view.inputmethod.InputConnection;
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import android.view.inputmethod.InputMethodManager;
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class GeckoInputConnection
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extends BaseInputConnection
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implements InputConnectionHandler, GeckoEditableListener {
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private static final boolean DEBUG = false;
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protected static final String LOGTAG = "GeckoInputConnection";
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private static final String CUSTOM_HANDLER_TEST_METHOD = "testInputConnection";
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private static final String CUSTOM_HANDLER_TEST_CLASS =
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"org.mozilla.gecko.tests.components.GeckoViewComponent$TextInput";
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private static final int INLINE_IME_MIN_DISPLAY_SIZE = 480;
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private static Handler sBackgroundHandler;
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private static class InputThreadUtils {
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// We only want one UI editable around to keep synchronization simple,
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// so we make InputThreadUtils a singleton
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public static final InputThreadUtils sInstance = new InputThreadUtils();
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private Editable mUiEditable;
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private Object mUiEditableReturn;
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private Exception mUiEditableException;
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private final SynchronousQueue<Runnable> mIcRunnableSync;
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private final Runnable mIcSignalRunnable;
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private InputThreadUtils() {
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mIcRunnableSync = new SynchronousQueue<Runnable>();
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mIcSignalRunnable = new Runnable() {
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@Override public void run() {
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}
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};
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}
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private void runOnIcThread(Handler icHandler, final Runnable runnable) {
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if (DEBUG) {
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ThreadUtils.assertOnUiThread();
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Log.d(LOGTAG, "runOnIcThread() on thread " +
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icHandler.getLooper().getThread().getName());
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}
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Runnable runner = new Runnable() {
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@Override public void run() {
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try {
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Runnable queuedRunnable = mIcRunnableSync.take();
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if (DEBUG && queuedRunnable != runnable) {
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throw new IllegalThreadStateException("sync error");
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}
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queuedRunnable.run();
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} catch (InterruptedException e) {
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}
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}
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};
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try {
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// if we are not inside waitForUiThread(), runner will call the runnable
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icHandler.post(runner);
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// runnable will be called by either runner from above or waitForUiThread()
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mIcRunnableSync.put(runnable);
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} catch (InterruptedException e) {
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} finally {
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// if waitForUiThread() already called runnable, runner should not call it again
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icHandler.removeCallbacks(runner);
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}
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}
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public void endWaitForUiThread() {
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if (DEBUG) {
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ThreadUtils.assertOnUiThread();
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Log.d(LOGTAG, "endWaitForUiThread()");
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}
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try {
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mIcRunnableSync.put(mIcSignalRunnable);
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} catch (InterruptedException e) {
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}
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}
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public void waitForUiThread(Handler icHandler) {
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if (DEBUG) {
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ThreadUtils.assertOnThread(icHandler.getLooper().getThread(), AssertBehavior.THROW);
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Log.d(LOGTAG, "waitForUiThread() blocking on thread " +
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icHandler.getLooper().getThread().getName());
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}
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try {
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Runnable runnable = null;
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do {
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runnable = mIcRunnableSync.take();
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runnable.run();
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} while (runnable != mIcSignalRunnable);
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} catch (InterruptedException e) {
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}
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}
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public void runOnIcThread(final Handler uiHandler,
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final GeckoEditableClient client,
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final Runnable runnable) {
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final Handler icHandler = client.getInputConnectionHandler();
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if (icHandler.getLooper() == uiHandler.getLooper()) {
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// IC thread is UI thread; safe to run directly
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runnable.run();
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return;
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}
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runOnIcThread(icHandler, runnable);
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}
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public void sendEventFromUiThread(final Handler uiHandler,
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final GeckoEditableClient client,
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final GeckoEvent event) {
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runOnIcThread(uiHandler, client, new Runnable() {
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@Override public void run() {
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client.sendEvent(event);
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}
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});
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}
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public Editable getEditableForUiThread(final Handler uiHandler,
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final GeckoEditableClient client) {
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if (DEBUG) {
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ThreadUtils.assertOnThread(uiHandler.getLooper().getThread(), AssertBehavior.THROW);
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}
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final Handler icHandler = client.getInputConnectionHandler();
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if (icHandler.getLooper() == uiHandler.getLooper()) {
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// IC thread is UI thread; safe to use Editable directly
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return client.getEditable();
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}
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// IC thread is not UI thread; we need to return a proxy Editable in order
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// to safely use the Editable from the UI thread
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if (mUiEditable != null) {
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return mUiEditable;
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}
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final InvocationHandler invokeEditable = new InvocationHandler() {
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@Override public Object invoke(final Object proxy,
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final Method method,
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final Object[] args) throws Throwable {
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if (DEBUG) {
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ThreadUtils.assertOnThread(uiHandler.getLooper().getThread(), AssertBehavior.THROW);
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Log.d(LOGTAG, "UiEditable." + method.getName() + "() blocking");
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}
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synchronized (icHandler) {
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// Now we are on UI thread
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mUiEditableReturn = null;
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mUiEditableException = null;
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// Post a Runnable that calls the real Editable and saves any
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// result/exception. Then wait on the Runnable to finish
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runOnIcThread(icHandler, new Runnable() {
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@Override public void run() {
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synchronized (icHandler) {
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try {
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mUiEditableReturn = method.invoke(
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client.getEditable(), args);
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} catch (Exception e) {
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mUiEditableException = e;
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}
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if (DEBUG) {
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Log.d(LOGTAG, "UiEditable." + method.getName() +
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"() returning");
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}
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icHandler.notify();
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}
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}
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});
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// let InterruptedException propagate
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icHandler.wait();
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if (mUiEditableException != null) {
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throw mUiEditableException;
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}
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return mUiEditableReturn;
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}
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}
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};
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mUiEditable = (Editable) Proxy.newProxyInstance(Editable.class.getClassLoader(),
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new Class<?>[] { Editable.class }, invokeEditable);
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return mUiEditable;
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}
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}
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// Managed only by notifyIMEContext; see comments in notifyIMEContext
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private int mIMEState;
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private String mIMETypeHint = "";
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private String mIMEModeHint = "";
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private String mIMEActionHint = "";
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private String mCurrentInputMethod = "";
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private final GeckoEditableClient mEditableClient;
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protected int mBatchEditCount;
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private ExtractedTextRequest mUpdateRequest;
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private final ExtractedText mUpdateExtract = new ExtractedText();
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private boolean mBatchSelectionChanged;
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private boolean mBatchTextChanged;
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private long mLastRestartInputTime;
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private final InputConnection mKeyInputConnection;
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public static GeckoEditableListener create(View targetView,
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GeckoEditableClient editable) {
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if (DEBUG)
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return DebugGeckoInputConnection.create(targetView, editable);
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else
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return new GeckoInputConnection(targetView, editable);
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}
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protected GeckoInputConnection(View targetView,
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GeckoEditableClient editable) {
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super(targetView, true);
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mEditableClient = editable;
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mIMEState = IME_STATE_DISABLED;
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// InputConnection that sends keys for plugins, which don't have full editors
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mKeyInputConnection = new BaseInputConnection(targetView, false);
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}
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@Override
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public synchronized boolean beginBatchEdit() {
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mBatchEditCount++;
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mEditableClient.setUpdateGecko(false);
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return true;
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}
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@Override
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public synchronized boolean endBatchEdit() {
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if (mBatchEditCount > 0) {
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mBatchEditCount--;
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if (mBatchEditCount == 0) {
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if (mBatchTextChanged) {
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notifyTextChange();
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mBatchTextChanged = false;
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}
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if (mBatchSelectionChanged) {
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Editable editable = getEditable();
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notifySelectionChange(Selection.getSelectionStart(editable),
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Selection.getSelectionEnd(editable));
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mBatchSelectionChanged = false;
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}
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mEditableClient.setUpdateGecko(true);
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}
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} else {
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Log.w(LOGTAG, "endBatchEdit() called, but mBatchEditCount == 0?!");
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}
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return true;
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}
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@Override
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public Editable getEditable() {
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return mEditableClient.getEditable();
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}
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@Override
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public boolean performContextMenuAction(int id) {
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Editable editable = getEditable();
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if (editable == null) {
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return false;
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}
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int selStart = Selection.getSelectionStart(editable);
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int selEnd = Selection.getSelectionEnd(editable);
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switch (id) {
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case R.id.selectAll:
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setSelection(0, editable.length());
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break;
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case R.id.cut:
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// If selection is empty, we'll select everything
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if (selStart == selEnd) {
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// Fill the clipboard
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Clipboard.setText(editable);
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editable.clear();
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} else {
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Clipboard.setText(
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editable.toString().substring(
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Math.min(selStart, selEnd),
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Math.max(selStart, selEnd)));
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editable.delete(selStart, selEnd);
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}
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break;
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case R.id.paste:
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commitText(Clipboard.getText(), 1);
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break;
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case R.id.copy:
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// Copy the current selection or the empty string if nothing is selected.
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String copiedText = selStart == selEnd ? "" :
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editable.toString().substring(
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Math.min(selStart, selEnd),
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Math.max(selStart, selEnd));
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Clipboard.setText(copiedText);
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break;
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}
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return true;
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}
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@Override
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public ExtractedText getExtractedText(ExtractedTextRequest req, int flags) {
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if (req == null)
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return null;
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if ((flags & GET_EXTRACTED_TEXT_MONITOR) != 0)
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mUpdateRequest = req;
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Editable editable = getEditable();
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if (editable == null) {
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return null;
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}
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int selStart = Selection.getSelectionStart(editable);
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int selEnd = Selection.getSelectionEnd(editable);
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ExtractedText extract = new ExtractedText();
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extract.flags = 0;
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extract.partialStartOffset = -1;
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extract.partialEndOffset = -1;
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extract.selectionStart = selStart;
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extract.selectionEnd = selEnd;
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extract.startOffset = 0;
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if ((req.flags & GET_TEXT_WITH_STYLES) != 0) {
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extract.text = new SpannableString(editable);
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} else {
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extract.text = editable.toString();
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}
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return extract;
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}
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private static View getView() {
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return GeckoAppShell.getLayerView();
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}
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private static InputMethodManager getInputMethodManager() {
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View view = getView();
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if (view == null) {
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return null;
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}
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Context context = view.getContext();
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return InputMethods.getInputMethodManager(context);
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}
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private static void showSoftInput() {
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final InputMethodManager imm = getInputMethodManager();
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if (imm != null) {
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final View v = getView();
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imm.showSoftInput(v, 0);
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}
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}
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private static void hideSoftInput() {
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final InputMethodManager imm = getInputMethodManager();
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if (imm != null) {
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final View v = getView();
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imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
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}
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}
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private void tryRestartInput() {
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// Coalesce restartInput calls because InputMethodManager.restartInput()
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// is expensive and successive calls to it can lock up the keyboard
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if (SystemClock.uptimeMillis() < mLastRestartInputTime + 200) {
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return;
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}
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restartInput();
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}
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private void restartInput() {
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mLastRestartInputTime = SystemClock.uptimeMillis();
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final InputMethodManager imm = getInputMethodManager();
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if (imm == null) {
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return;
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}
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final View v = getView();
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// InputMethodManager has internal logic to detect if we are restarting input
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// in an already focused View, which is the case here because all content text
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// fields are inside one LayerView. When this happens, InputMethodManager will
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// tell the input method to soft reset instead of hard reset. Stock latin IME
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// on Android 4.2+ has a quirk that when it soft resets, it does not clear the
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// composition. The following workaround tricks the IME into clearing the
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// composition when soft resetting.
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if (InputMethods.needsSoftResetWorkaround(mCurrentInputMethod)) {
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// Fake a selection change, because the IME clears the composition when
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// the selection changes, even if soft-resetting. Offsets here must be
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// different from the previous selection offsets, and -1 seems to be a
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// reasonable, deterministic value
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notifySelectionChange(-1, -1);
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}
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imm.restartInput(v);
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}
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private void resetInputConnection() {
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if (mBatchEditCount != 0) {
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Log.w(LOGTAG, "resetting with mBatchEditCount = " + mBatchEditCount);
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mBatchEditCount = 0;
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}
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mBatchSelectionChanged = false;
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mBatchTextChanged = false;
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// Do not reset mIMEState here; see comments in notifyIMEContext
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}
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@Override
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public void onTextChange(String text, int start, int oldEnd, int newEnd) {
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if (mUpdateRequest == null) {
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// Android always expects selection updates when not in extracted mode;
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// in extracted mode, the selection is reported through updateExtractedText
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final Editable editable = getEditable();
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if (editable != null) {
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onSelectionChange(Selection.getSelectionStart(editable),
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Selection.getSelectionEnd(editable));
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}
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return;
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}
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if (mBatchEditCount > 0) {
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// Delay notification until after the batch edit
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mBatchTextChanged = true;
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return;
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}
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notifyTextChange();
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}
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private void notifyTextChange() {
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final InputMethodManager imm = getInputMethodManager();
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final View v = getView();
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final Editable editable = getEditable();
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if (imm == null || v == null || editable == null) {
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return;
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}
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mUpdateExtract.flags = 0;
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// Update the entire Editable range
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mUpdateExtract.partialStartOffset = -1;
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mUpdateExtract.partialEndOffset = -1;
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mUpdateExtract.selectionStart =
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Selection.getSelectionStart(editable);
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mUpdateExtract.selectionEnd =
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Selection.getSelectionEnd(editable);
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mUpdateExtract.startOffset = 0;
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if ((mUpdateRequest.flags & GET_TEXT_WITH_STYLES) != 0) {
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mUpdateExtract.text = new SpannableString(editable);
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} else {
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mUpdateExtract.text = editable.toString();
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}
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imm.updateExtractedText(v, mUpdateRequest.token,
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mUpdateExtract);
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}
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@Override
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public void onSelectionChange(int start, int end) {
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if (mBatchEditCount > 0) {
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// Delay notification until after the batch edit
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mBatchSelectionChanged = true;
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return;
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}
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notifySelectionChange(start, end);
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}
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private void notifySelectionChange(int start, int end) {
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final InputMethodManager imm = getInputMethodManager();
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final View v = getView();
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final Editable editable = getEditable();
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if (imm == null || v == null || editable == null) {
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return;
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}
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imm.updateSelection(v, start, end, getComposingSpanStart(editable),
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getComposingSpanEnd(editable));
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}
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private static synchronized Handler getBackgroundHandler() {
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if (sBackgroundHandler != null) {
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return sBackgroundHandler;
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}
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// Don't use GeckoBackgroundThread because Gecko thread may block waiting on
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// GeckoBackgroundThread. If we were to use GeckoBackgroundThread, due to IME,
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// GeckoBackgroundThread may end up also block waiting on Gecko thread and a
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// deadlock occurs
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Thread backgroundThread = new Thread(new Runnable() {
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@Override
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public void run() {
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Looper.prepare();
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synchronized (GeckoInputConnection.class) {
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sBackgroundHandler = new Handler();
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GeckoInputConnection.class.notify();
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}
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Looper.loop();
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sBackgroundHandler = null;
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}
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}, LOGTAG);
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backgroundThread.setDaemon(true);
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backgroundThread.start();
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while (sBackgroundHandler == null) {
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try {
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// wait for new thread to set sBackgroundHandler
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GeckoInputConnection.class.wait();
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} catch (InterruptedException e) {
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}
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}
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return sBackgroundHandler;
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}
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|
|
private boolean canReturnCustomHandler() {
|
|
if (mIMEState == IME_STATE_DISABLED) {
|
|
return false;
|
|
}
|
|
for (StackTraceElement frame : Thread.currentThread().getStackTrace()) {
|
|
// We only return our custom Handler to InputMethodManager's InputConnection
|
|
// proxy. For all other purposes, we return the regular Handler.
|
|
// InputMethodManager retrieves the Handler for its InputConnection proxy
|
|
// inside its method startInputInner(), so we check for that here. This is
|
|
// valid from Android 2.2 to at least Android 4.2. If this situation ever
|
|
// changes, we gracefully fall back to using the regular Handler.
|
|
if ("startInputInner".equals(frame.getMethodName()) &&
|
|
"android.view.inputmethod.InputMethodManager".equals(frame.getClassName())) {
|
|
// only return our own Handler to InputMethodManager
|
|
return true;
|
|
}
|
|
if (CUSTOM_HANDLER_TEST_METHOD.equals(frame.getMethodName()) &&
|
|
CUSTOM_HANDLER_TEST_CLASS.equals(frame.getClassName())) {
|
|
// InputConnection tests should also run on the custom handler
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public Handler getHandler(Handler defHandler) {
|
|
if (!canReturnCustomHandler()) {
|
|
return defHandler;
|
|
}
|
|
// getBackgroundHandler() is synchronized and requires locking,
|
|
// but if we already have our handler, we don't have to lock
|
|
final Handler newHandler = sBackgroundHandler != null
|
|
? sBackgroundHandler
|
|
: getBackgroundHandler();
|
|
if (mEditableClient.setInputConnectionHandler(newHandler)) {
|
|
return newHandler;
|
|
}
|
|
// Setting new IC handler failed; return old IC handler
|
|
return mEditableClient.getInputConnectionHandler();
|
|
}
|
|
|
|
@Override
|
|
public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
|
|
if (mIMEState == IME_STATE_DISABLED) {
|
|
return null;
|
|
}
|
|
|
|
outAttrs.inputType = InputType.TYPE_CLASS_TEXT;
|
|
outAttrs.imeOptions = EditorInfo.IME_ACTION_NONE;
|
|
outAttrs.actionLabel = null;
|
|
|
|
if (mIMEState == IME_STATE_PASSWORD ||
|
|
"password".equalsIgnoreCase(mIMETypeHint))
|
|
outAttrs.inputType |= InputType.TYPE_TEXT_VARIATION_PASSWORD;
|
|
else if (mIMEState == IME_STATE_PLUGIN)
|
|
outAttrs.inputType = InputType.TYPE_NULL; // "send key events" mode
|
|
else if (mIMETypeHint.equalsIgnoreCase("url"))
|
|
outAttrs.inputType |= InputType.TYPE_TEXT_VARIATION_URI;
|
|
else if (mIMETypeHint.equalsIgnoreCase("email"))
|
|
outAttrs.inputType |= InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS;
|
|
else if (mIMETypeHint.equalsIgnoreCase("search"))
|
|
outAttrs.imeOptions = EditorInfo.IME_ACTION_SEARCH;
|
|
else if (mIMETypeHint.equalsIgnoreCase("tel"))
|
|
outAttrs.inputType = InputType.TYPE_CLASS_PHONE;
|
|
else if (mIMETypeHint.equalsIgnoreCase("number") ||
|
|
mIMETypeHint.equalsIgnoreCase("range"))
|
|
outAttrs.inputType = InputType.TYPE_CLASS_NUMBER
|
|
| InputType.TYPE_NUMBER_FLAG_SIGNED
|
|
| InputType.TYPE_NUMBER_FLAG_DECIMAL;
|
|
else if (mIMETypeHint.equalsIgnoreCase("week") ||
|
|
mIMETypeHint.equalsIgnoreCase("month"))
|
|
outAttrs.inputType = InputType.TYPE_CLASS_DATETIME
|
|
| InputType.TYPE_DATETIME_VARIATION_DATE;
|
|
else if (mIMEModeHint.equalsIgnoreCase("numeric"))
|
|
outAttrs.inputType = InputType.TYPE_CLASS_NUMBER |
|
|
InputType.TYPE_NUMBER_FLAG_SIGNED |
|
|
InputType.TYPE_NUMBER_FLAG_DECIMAL;
|
|
else if (mIMEModeHint.equalsIgnoreCase("digit"))
|
|
outAttrs.inputType = InputType.TYPE_CLASS_NUMBER;
|
|
else {
|
|
// TYPE_TEXT_FLAG_IME_MULTI_LINE flag makes the fullscreen IME line wrap
|
|
outAttrs.inputType |= InputType.TYPE_TEXT_FLAG_AUTO_CORRECT |
|
|
InputType.TYPE_TEXT_FLAG_IME_MULTI_LINE;
|
|
if (mIMETypeHint.equalsIgnoreCase("textarea") ||
|
|
mIMETypeHint.length() == 0) {
|
|
// empty mIMETypeHint indicates contentEditable/designMode documents
|
|
outAttrs.inputType |= InputType.TYPE_TEXT_FLAG_MULTI_LINE;
|
|
}
|
|
if (mIMEModeHint.equalsIgnoreCase("uppercase"))
|
|
outAttrs.inputType |= InputType.TYPE_TEXT_FLAG_CAP_CHARACTERS;
|
|
else if (mIMEModeHint.equalsIgnoreCase("titlecase"))
|
|
outAttrs.inputType |= InputType.TYPE_TEXT_FLAG_CAP_WORDS;
|
|
else if (!mIMEModeHint.equalsIgnoreCase("lowercase"))
|
|
outAttrs.inputType |= InputType.TYPE_TEXT_FLAG_CAP_SENTENCES;
|
|
// auto-capitalized mode is the default
|
|
}
|
|
|
|
if (mIMEActionHint.equalsIgnoreCase("go"))
|
|
outAttrs.imeOptions = EditorInfo.IME_ACTION_GO;
|
|
else if (mIMEActionHint.equalsIgnoreCase("done"))
|
|
outAttrs.imeOptions = EditorInfo.IME_ACTION_DONE;
|
|
else if (mIMEActionHint.equalsIgnoreCase("next"))
|
|
outAttrs.imeOptions = EditorInfo.IME_ACTION_NEXT;
|
|
else if (mIMEActionHint.equalsIgnoreCase("search"))
|
|
outAttrs.imeOptions = EditorInfo.IME_ACTION_SEARCH;
|
|
else if (mIMEActionHint.equalsIgnoreCase("send"))
|
|
outAttrs.imeOptions = EditorInfo.IME_ACTION_SEND;
|
|
else if (mIMEActionHint.length() > 0) {
|
|
if (DEBUG)
|
|
Log.w(LOGTAG, "Unexpected mIMEActionHint=\"" + mIMEActionHint + "\"");
|
|
outAttrs.actionLabel = mIMEActionHint;
|
|
}
|
|
|
|
Context context = GeckoAppShell.getContext();
|
|
DisplayMetrics metrics = context.getResources().getDisplayMetrics();
|
|
if (Math.min(metrics.widthPixels, metrics.heightPixels) > INLINE_IME_MIN_DISPLAY_SIZE) {
|
|
// prevent showing full-screen keyboard only when the screen is tall enough
|
|
// to show some reasonable amount of the page (see bug 752709)
|
|
outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_EXTRACT_UI
|
|
| EditorInfo.IME_FLAG_NO_FULLSCREEN;
|
|
}
|
|
|
|
if (DEBUG) {
|
|
Log.d(LOGTAG, "mapped IME states to: inputType = " +
|
|
Integer.toHexString(outAttrs.inputType) + ", imeOptions = " +
|
|
Integer.toHexString(outAttrs.imeOptions));
|
|
}
|
|
|
|
String prevInputMethod = mCurrentInputMethod;
|
|
mCurrentInputMethod = InputMethods.getCurrentInputMethod(context);
|
|
if (DEBUG) {
|
|
Log.d(LOGTAG, "IME: CurrentInputMethod=" + mCurrentInputMethod);
|
|
}
|
|
|
|
// If the user has changed IMEs, then notify input method observers.
|
|
if (!mCurrentInputMethod.equals(prevInputMethod) && GeckoAppShell.getGeckoInterface() != null) {
|
|
FormAssistPopup popup = GeckoAppShell.getGeckoInterface().getFormAssistPopup();
|
|
if (popup != null) {
|
|
popup.onInputMethodChanged(mCurrentInputMethod);
|
|
}
|
|
}
|
|
|
|
if (mIMEState == IME_STATE_PLUGIN) {
|
|
// Since we are using a temporary string as the editable, the selection is at 0
|
|
outAttrs.initialSelStart = 0;
|
|
outAttrs.initialSelEnd = 0;
|
|
return mKeyInputConnection;
|
|
}
|
|
Editable editable = getEditable();
|
|
outAttrs.initialSelStart = Selection.getSelectionStart(editable);
|
|
outAttrs.initialSelEnd = Selection.getSelectionEnd(editable);
|
|
return this;
|
|
}
|
|
|
|
private boolean replaceComposingSpanWithSelection() {
|
|
final Editable content = getEditable();
|
|
if (content == null) {
|
|
return false;
|
|
}
|
|
int a = getComposingSpanStart(content),
|
|
b = getComposingSpanEnd(content);
|
|
if (a != -1 && b != -1) {
|
|
if (DEBUG) {
|
|
Log.d(LOGTAG, "removing composition at " + a + "-" + b);
|
|
}
|
|
removeComposingSpans(content);
|
|
Selection.setSelection(content, a, b);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public boolean commitText(CharSequence text, int newCursorPosition) {
|
|
if (InputMethods.shouldCommitCharAsKey(mCurrentInputMethod) &&
|
|
text.length() == 1 && newCursorPosition > 0) {
|
|
if (DEBUG) {
|
|
Log.d(LOGTAG, "committing \"" + text + "\" as key");
|
|
}
|
|
// mKeyInputConnection is a BaseInputConnection that commits text as keys;
|
|
// but we first need to replace any composing span with a selection,
|
|
// so that the new key events will generate characters to replace
|
|
// text from the old composing span
|
|
return replaceComposingSpanWithSelection() &&
|
|
mKeyInputConnection.commitText(text, newCursorPosition);
|
|
}
|
|
return super.commitText(text, newCursorPosition);
|
|
}
|
|
|
|
@Override
|
|
public boolean setSelection(int start, int end) {
|
|
if (start < 0 || end < 0) {
|
|
// Some keyboards (e.g. Samsung) can call setSelection with
|
|
// negative offsets. In that case we ignore the call, similar to how
|
|
// BaseInputConnection.setSelection ignores offsets that go past the length.
|
|
return true;
|
|
}
|
|
return super.setSelection(start, end);
|
|
}
|
|
|
|
@Override
|
|
public boolean sendKeyEvent(KeyEvent event) {
|
|
// BaseInputConnection.sendKeyEvent() dispatches the key event to the main thread.
|
|
// In order to ensure events are processed in the proper order, we must block the
|
|
// IC thread until the main thread finishes processing the key event
|
|
super.sendKeyEvent(event);
|
|
final View v = getView();
|
|
if (v == null) {
|
|
return false;
|
|
}
|
|
final Handler icHandler = mEditableClient.getInputConnectionHandler();
|
|
final Handler mainHandler = v.getRootView().getHandler();
|
|
if (icHandler.getLooper() != mainHandler.getLooper()) {
|
|
// We are on separate IC thread but the event is queued on the main thread;
|
|
// wait on IC thread until the main thread processes our posted Runnable. At
|
|
// that point the key event has already been processed.
|
|
mainHandler.post(new Runnable() {
|
|
@Override public void run() {
|
|
InputThreadUtils.sInstance.endWaitForUiThread();
|
|
}
|
|
});
|
|
InputThreadUtils.sInstance.waitForUiThread(icHandler);
|
|
}
|
|
return false; // seems to always return false
|
|
}
|
|
|
|
@Override
|
|
public boolean onKeyPreIme(int keyCode, KeyEvent event) {
|
|
return false;
|
|
}
|
|
|
|
private boolean shouldProcessKey(int keyCode, KeyEvent event) {
|
|
switch (keyCode) {
|
|
case KeyEvent.KEYCODE_MENU:
|
|
case KeyEvent.KEYCODE_BACK:
|
|
case KeyEvent.KEYCODE_VOLUME_UP:
|
|
case KeyEvent.KEYCODE_VOLUME_DOWN:
|
|
case KeyEvent.KEYCODE_SEARCH:
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private boolean shouldSkipKeyListener(int keyCode, KeyEvent event) {
|
|
if (mIMEState == IME_STATE_DISABLED ||
|
|
mIMEState == IME_STATE_PLUGIN) {
|
|
return true;
|
|
}
|
|
// Preserve enter and tab keys for the browser
|
|
if (keyCode == KeyEvent.KEYCODE_ENTER ||
|
|
keyCode == KeyEvent.KEYCODE_TAB) {
|
|
return true;
|
|
}
|
|
// BaseKeyListener returns false even if it handled these keys for us,
|
|
// so we skip the key listener entirely and handle these ourselves
|
|
if (keyCode == KeyEvent.KEYCODE_DEL ||
|
|
keyCode == KeyEvent.KEYCODE_FORWARD_DEL) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private KeyEvent translateKey(int keyCode, KeyEvent event) {
|
|
switch (keyCode) {
|
|
case KeyEvent.KEYCODE_ENTER:
|
|
if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 &&
|
|
mIMEActionHint.equalsIgnoreCase("next")) {
|
|
return new KeyEvent(event.getAction(), KeyEvent.KEYCODE_TAB);
|
|
}
|
|
break;
|
|
}
|
|
return event;
|
|
}
|
|
|
|
private boolean processKey(int keyCode, KeyEvent event, boolean down) {
|
|
if (GamepadUtils.isSonyXperiaGamepadKeyEvent(event)) {
|
|
event = GamepadUtils.translateSonyXperiaGamepadKeys(keyCode, event);
|
|
keyCode = event.getKeyCode();
|
|
}
|
|
|
|
if (keyCode > KeyEvent.getMaxKeyCode() ||
|
|
!shouldProcessKey(keyCode, event)) {
|
|
return false;
|
|
}
|
|
event = translateKey(keyCode, event);
|
|
keyCode = event.getKeyCode();
|
|
|
|
View view = getView();
|
|
if (view == null) {
|
|
InputThreadUtils.sInstance.sendEventFromUiThread(ThreadUtils.getUiHandler(),
|
|
mEditableClient, GeckoEvent.createKeyEvent(event, 0));
|
|
return true;
|
|
}
|
|
|
|
// KeyListener returns true if it handled the event for us. KeyListener is only
|
|
// safe to use on the UI thread; therefore we need to pass a proxy Editable to it
|
|
KeyListener keyListener = TextKeyListener.getInstance();
|
|
Handler uiHandler = view.getRootView().getHandler();
|
|
Editable uiEditable = InputThreadUtils.sInstance.
|
|
getEditableForUiThread(uiHandler, mEditableClient);
|
|
boolean skip = shouldSkipKeyListener(keyCode, event);
|
|
if (down) {
|
|
mEditableClient.setSuppressKeyUp(true);
|
|
}
|
|
if (skip ||
|
|
(down && !keyListener.onKeyDown(view, uiEditable, keyCode, event)) ||
|
|
(!down && !keyListener.onKeyUp(view, uiEditable, keyCode, event))) {
|
|
InputThreadUtils.sInstance.sendEventFromUiThread(uiHandler, mEditableClient,
|
|
GeckoEvent.createKeyEvent(event, TextKeyListener.getMetaState(uiEditable)));
|
|
if (skip && down) {
|
|
// Usually, the down key listener call above adjusts meta states for us.
|
|
// However, if we skip that call above, we have to manually adjust meta
|
|
// states so the meta states remain consistent
|
|
TextKeyListener.adjustMetaAfterKeypress(uiEditable);
|
|
}
|
|
}
|
|
if (down) {
|
|
mEditableClient.setSuppressKeyUp(false);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public boolean onKeyDown(int keyCode, KeyEvent event) {
|
|
return processKey(keyCode, event, true);
|
|
}
|
|
|
|
@Override
|
|
public boolean onKeyUp(int keyCode, KeyEvent event) {
|
|
return processKey(keyCode, event, false);
|
|
}
|
|
|
|
@Override
|
|
public boolean onKeyMultiple(int keyCode, int repeatCount, final KeyEvent event) {
|
|
if (keyCode == KeyEvent.KEYCODE_UNKNOWN) {
|
|
// KEYCODE_UNKNOWN means the characters are in KeyEvent.getCharacters()
|
|
View view = getView();
|
|
if (view != null) {
|
|
InputThreadUtils.sInstance.runOnIcThread(
|
|
view.getRootView().getHandler(), mEditableClient,
|
|
new Runnable() {
|
|
@Override public void run() {
|
|
// Don't call GeckoInputConnection.commitText because it can
|
|
// post a key event back to onKeyMultiple, causing a loop
|
|
GeckoInputConnection.super.commitText(event.getCharacters(), 1);
|
|
}
|
|
});
|
|
}
|
|
return true;
|
|
}
|
|
while ((repeatCount--) != 0) {
|
|
if (!processKey(keyCode, event, true) ||
|
|
!processKey(keyCode, event, false)) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public boolean onKeyLongPress(int keyCode, KeyEvent event) {
|
|
View v = getView();
|
|
switch (keyCode) {
|
|
case KeyEvent.KEYCODE_MENU:
|
|
InputMethodManager imm = getInputMethodManager();
|
|
imm.toggleSoftInputFromWindow(v.getWindowToken(),
|
|
InputMethodManager.SHOW_FORCED, 0);
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public boolean isIMEEnabled() {
|
|
// make sure this picks up PASSWORD and PLUGIN states as well
|
|
return mIMEState != IME_STATE_DISABLED;
|
|
}
|
|
|
|
@Override
|
|
public void notifyIME(int type) {
|
|
switch (type) {
|
|
|
|
case NOTIFY_IME_TO_CANCEL_COMPOSITION:
|
|
// Set composition to empty and end composition
|
|
setComposingText("", 0);
|
|
// Fall through
|
|
|
|
case NOTIFY_IME_TO_COMMIT_COMPOSITION:
|
|
// Commit and end composition
|
|
finishComposingText();
|
|
tryRestartInput();
|
|
break;
|
|
|
|
case NOTIFY_IME_OF_FOCUS:
|
|
case NOTIFY_IME_OF_BLUR:
|
|
// Showing/hiding vkb is done in notifyIMEContext
|
|
resetInputConnection();
|
|
break;
|
|
|
|
case NOTIFY_IME_OPEN_VKB:
|
|
showSoftInput();
|
|
break;
|
|
|
|
default:
|
|
if (DEBUG) {
|
|
throw new IllegalArgumentException("Unexpected NOTIFY_IME=" + type);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void notifyIMEContext(int state, String typeHint, String modeHint, String actionHint) {
|
|
// For some input type we will use a widget to display the ui, for those we must not
|
|
// display the ime. We can display a widget for date and time types and, if the sdk version
|
|
// is 11 or greater, for datetime/month/week as well.
|
|
if (typeHint != null &&
|
|
(typeHint.equalsIgnoreCase("date") ||
|
|
typeHint.equalsIgnoreCase("time") ||
|
|
(Build.VERSION.SDK_INT >= 11 && (typeHint.equalsIgnoreCase("datetime") ||
|
|
typeHint.equalsIgnoreCase("month") ||
|
|
typeHint.equalsIgnoreCase("week") ||
|
|
typeHint.equalsIgnoreCase("datetime-local"))))) {
|
|
state = IME_STATE_DISABLED;
|
|
}
|
|
|
|
// mIMEState and the mIME*Hint fields should only be changed by notifyIMEContext,
|
|
// and not reset anywhere else. Usually, notifyIMEContext is called right after a
|
|
// focus or blur, so resetting mIMEState during the focus or blur seems harmless.
|
|
// However, this behavior is not guaranteed. Gecko may call notifyIMEContext
|
|
// independent of focus change; that is, a focus change may not be accompanied by
|
|
// a notifyIMEContext call. So if we reset mIMEState inside focus, there may not
|
|
// be another notifyIMEContext call to set mIMEState to a proper value (bug 829318)
|
|
/* When IME is 'disabled', IME processing is disabled.
|
|
In addition, the IME UI is hidden */
|
|
mIMEState = state;
|
|
mIMETypeHint = (typeHint == null) ? "" : typeHint;
|
|
mIMEModeHint = (modeHint == null) ? "" : modeHint;
|
|
mIMEActionHint = (actionHint == null) ? "" : actionHint;
|
|
|
|
// These fields are reset here and will be updated when restartInput is called below
|
|
mUpdateRequest = null;
|
|
mCurrentInputMethod = "";
|
|
|
|
View v = getView();
|
|
if (v == null || !v.hasFocus()) {
|
|
// When using Find In Page, we can still receive notifyIMEContext calls due to the
|
|
// selection changing when highlighting. However in this case we don't want to reset/
|
|
// show/hide the keyboard because the find box has the focus and is taking input from
|
|
// the keyboard.
|
|
return;
|
|
}
|
|
restartInput();
|
|
if (mIMEState == IME_STATE_DISABLED) {
|
|
hideSoftInput();
|
|
} else {
|
|
showSoftInput();
|
|
}
|
|
}
|
|
}
|
|
|
|
final class DebugGeckoInputConnection
|
|
extends GeckoInputConnection
|
|
implements InvocationHandler {
|
|
|
|
private InputConnection mProxy;
|
|
private StringBuilder mCallLevel;
|
|
|
|
private DebugGeckoInputConnection(View targetView,
|
|
GeckoEditableClient editable) {
|
|
super(targetView, editable);
|
|
mCallLevel = new StringBuilder();
|
|
}
|
|
|
|
public static GeckoEditableListener create(View targetView,
|
|
GeckoEditableClient editable) {
|
|
final Class[] PROXY_INTERFACES = { InputConnection.class,
|
|
InputConnectionHandler.class,
|
|
GeckoEditableListener.class };
|
|
DebugGeckoInputConnection dgic =
|
|
new DebugGeckoInputConnection(targetView, editable);
|
|
dgic.mProxy = (InputConnection)Proxy.newProxyInstance(
|
|
GeckoInputConnection.class.getClassLoader(),
|
|
PROXY_INTERFACES, dgic);
|
|
return (GeckoEditableListener)dgic.mProxy;
|
|
}
|
|
|
|
@Override
|
|
public Object invoke(Object proxy, Method method, Object[] args)
|
|
throws Throwable {
|
|
|
|
StringBuilder log = new StringBuilder(mCallLevel);
|
|
log.append("> ").append(method.getName()).append("(");
|
|
for (Object arg : args) {
|
|
// translate argument values to constant names
|
|
if ("notifyIME".equals(method.getName()) && arg == args[0]) {
|
|
log.append(GeckoEditable.getConstantName(
|
|
GeckoEditableListener.class, "NOTIFY_IME_", arg));
|
|
} else if ("notifyIMEContext".equals(method.getName()) && arg == args[0]) {
|
|
log.append(GeckoEditable.getConstantName(
|
|
GeckoEditableListener.class, "IME_STATE_", arg));
|
|
} else {
|
|
GeckoEditable.debugAppend(log, arg);
|
|
}
|
|
log.append(", ");
|
|
}
|
|
if (args.length > 0) {
|
|
log.setLength(log.length() - 2);
|
|
}
|
|
log.append(")");
|
|
Log.d(LOGTAG, log.toString());
|
|
|
|
mCallLevel.append(' ');
|
|
Object ret = method.invoke(this, args);
|
|
if (ret == this) {
|
|
ret = mProxy;
|
|
}
|
|
mCallLevel.setLength(Math.max(0, mCallLevel.length() - 1));
|
|
|
|
log.setLength(mCallLevel.length());
|
|
log.append("< ").append(method.getName());
|
|
if (!method.getReturnType().equals(Void.TYPE)) {
|
|
GeckoEditable.debugAppend(log.append(": "), ret);
|
|
}
|
|
Log.d(LOGTAG, log.toString());
|
|
return ret;
|
|
}
|
|
}
|