mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
660 lines
25 KiB
Java
660 lines
25 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 org.mozilla.gecko.gfx.InputConnectionHandler;
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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.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.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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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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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 int INLINE_IME_MIN_DISPLAY_SIZE = 480;
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// Managed only by notifyIMEEnabled; see comments in notifyIMEEnabled
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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 mPluginInputConnection;
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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 for plugins, which don't have full editors
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mPluginInputConnection = 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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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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GeckoAppShell.setClipboardText(editable.toString());
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editable.clear();
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} else {
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GeckoAppShell.setClipboardText(
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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(GeckoAppShell.getClipboardText(), 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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GeckoAppShell.setClipboardText(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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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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extract.text = editable;
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return extract;
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}
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private static View getView() {
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return GeckoApp.mAppContext.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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mUpdateRequest = null;
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mCurrentInputMethod = "";
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// Do not reset mIMEState here; see comments in notifyIMEEnabled
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}
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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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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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if (imm == null) {
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return;
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}
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final View v = getView();
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final Editable editable = getEditable();
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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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mUpdateExtract.text = editable;
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imm.updateExtractedText(v, mUpdateRequest.token,
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mUpdateExtract);
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}
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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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if (imm == null) {
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return;
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}
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final View v = getView();
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final Editable editable = getEditable();
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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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public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
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outAttrs.inputType = InputType.TYPE_CLASS_TEXT;
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outAttrs.imeOptions = EditorInfo.IME_ACTION_NONE;
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outAttrs.actionLabel = null;
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if (mIMEState == IME_STATE_PASSWORD)
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outAttrs.inputType |= InputType.TYPE_TEXT_VARIATION_PASSWORD;
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else if (mIMEState == IME_STATE_PLUGIN)
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outAttrs.inputType = InputType.TYPE_NULL; // "send key events" mode
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else if (mIMETypeHint.equalsIgnoreCase("url"))
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outAttrs.inputType |= InputType.TYPE_TEXT_VARIATION_URI;
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else if (mIMETypeHint.equalsIgnoreCase("email"))
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outAttrs.inputType |= InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS;
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else if (mIMETypeHint.equalsIgnoreCase("search"))
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outAttrs.imeOptions = EditorInfo.IME_ACTION_SEARCH;
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else if (mIMETypeHint.equalsIgnoreCase("tel"))
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outAttrs.inputType = InputType.TYPE_CLASS_PHONE;
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else if (mIMETypeHint.equalsIgnoreCase("number") ||
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mIMETypeHint.equalsIgnoreCase("range"))
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outAttrs.inputType = InputType.TYPE_CLASS_NUMBER
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| InputType.TYPE_NUMBER_FLAG_SIGNED
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| InputType.TYPE_NUMBER_FLAG_DECIMAL;
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else if (mIMETypeHint.equalsIgnoreCase("week") ||
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mIMETypeHint.equalsIgnoreCase("month"))
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outAttrs.inputType = InputType.TYPE_CLASS_DATETIME
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| InputType.TYPE_DATETIME_VARIATION_DATE;
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else if (mIMEModeHint.equalsIgnoreCase("numeric"))
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outAttrs.inputType = InputType.TYPE_CLASS_NUMBER |
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InputType.TYPE_NUMBER_FLAG_SIGNED |
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InputType.TYPE_NUMBER_FLAG_DECIMAL;
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else if (mIMEModeHint.equalsIgnoreCase("digit"))
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outAttrs.inputType = InputType.TYPE_CLASS_NUMBER;
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else {
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outAttrs.inputType |= InputType.TYPE_TEXT_FLAG_AUTO_CORRECT;
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if (mIMEModeHint.equalsIgnoreCase("uppercase"))
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outAttrs.inputType |= InputType.TYPE_TEXT_FLAG_CAP_CHARACTERS;
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else if (mIMEModeHint.equalsIgnoreCase("titlecase"))
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outAttrs.inputType |= InputType.TYPE_TEXT_FLAG_CAP_WORDS;
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else if (mIMEModeHint.equalsIgnoreCase("autocapitalized"))
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outAttrs.inputType |= InputType.TYPE_TEXT_FLAG_CAP_SENTENCES;
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// lowercase mode is the default
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}
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if (mIMEActionHint.equalsIgnoreCase("go"))
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outAttrs.imeOptions = EditorInfo.IME_ACTION_GO;
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else if (mIMEActionHint.equalsIgnoreCase("done"))
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outAttrs.imeOptions = EditorInfo.IME_ACTION_DONE;
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else if (mIMEActionHint.equalsIgnoreCase("next"))
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outAttrs.imeOptions = EditorInfo.IME_ACTION_NEXT;
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else if (mIMEActionHint.equalsIgnoreCase("search"))
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outAttrs.imeOptions = EditorInfo.IME_ACTION_SEARCH;
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else if (mIMEActionHint.equalsIgnoreCase("send"))
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outAttrs.imeOptions = EditorInfo.IME_ACTION_SEND;
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else if (mIMEActionHint.length() > 0) {
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if (DEBUG)
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Log.w(LOGTAG, "Unexpected mIMEActionHint=\"" + mIMEActionHint + "\"");
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outAttrs.actionLabel = mIMEActionHint;
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}
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GeckoApp app = GeckoApp.mAppContext;
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DisplayMetrics metrics = app.getResources().getDisplayMetrics();
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if (Math.min(metrics.widthPixels, metrics.heightPixels) > INLINE_IME_MIN_DISPLAY_SIZE) {
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// prevent showing full-screen keyboard only when the screen is tall enough
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// to show some reasonable amount of the page (see bug 752709)
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outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_EXTRACT_UI
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| EditorInfo.IME_FLAG_NO_FULLSCREEN;
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}
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String prevInputMethod = mCurrentInputMethod;
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mCurrentInputMethod = InputMethods.getCurrentInputMethod(app);
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if (DEBUG) {
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Log.d(LOGTAG, "IME: CurrentInputMethod=" + mCurrentInputMethod);
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}
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// If the user has changed IMEs, then notify input method observers.
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if (mCurrentInputMethod != prevInputMethod) {
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FormAssistPopup popup = app.mFormAssistPopup;
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if (popup != null) {
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popup.onInputMethodChanged(mCurrentInputMethod);
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}
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}
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if (mIMEState == IME_STATE_PLUGIN) {
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// Since we are using a temporary string as the editable, the selection is at 0
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outAttrs.initialSelStart = 0;
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outAttrs.initialSelEnd = 0;
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return mPluginInputConnection;
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}
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Editable editable = getEditable();
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outAttrs.initialSelStart = Selection.getSelectionStart(editable);
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outAttrs.initialSelEnd = Selection.getSelectionEnd(editable);
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return this;
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}
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public boolean onKeyPreIme(int keyCode, KeyEvent event) {
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return false;
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}
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public boolean onKeyDown(int keyCode, KeyEvent event) {
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return processKeyDown(keyCode, event);
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}
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private boolean processKeyDown(int keyCode, KeyEvent event) {
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if (keyCode > KeyEvent.getMaxKeyCode())
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return false;
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switch (keyCode) {
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case KeyEvent.KEYCODE_MENU:
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case KeyEvent.KEYCODE_BACK:
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case KeyEvent.KEYCODE_VOLUME_UP:
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case KeyEvent.KEYCODE_VOLUME_DOWN:
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case KeyEvent.KEYCODE_SEARCH:
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return false;
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case KeyEvent.KEYCODE_ENTER:
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if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 &&
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mIMEActionHint.equalsIgnoreCase("next"))
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event = new KeyEvent(event.getAction(), KeyEvent.KEYCODE_TAB);
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break;
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default:
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break;
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}
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View view = getView();
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KeyListener keyListener = TextKeyListener.getInstance();
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// KeyListener returns true if it handled the event for us.
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if (mIMEState == IME_STATE_DISABLED ||
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mIMEState == IME_STATE_PLUGIN ||
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keyCode == KeyEvent.KEYCODE_ENTER ||
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keyCode == KeyEvent.KEYCODE_DEL ||
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keyCode == KeyEvent.KEYCODE_TAB ||
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(event.getFlags() & KeyEvent.FLAG_SOFT_KEYBOARD) != 0 ||
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!keyListener.onKeyDown(view, getEditable(), keyCode, event)) {
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mEditableClient.sendEvent(GeckoEvent.createKeyEvent(event));
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}
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return true;
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}
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public boolean onKeyUp(int keyCode, KeyEvent event) {
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return processKeyUp(keyCode, event);
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}
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private boolean processKeyUp(int keyCode, KeyEvent event) {
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if (keyCode > KeyEvent.getMaxKeyCode())
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return false;
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switch (keyCode) {
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case KeyEvent.KEYCODE_BACK:
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case KeyEvent.KEYCODE_SEARCH:
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case KeyEvent.KEYCODE_MENU:
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return false;
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default:
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break;
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}
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View view = getView();
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KeyListener keyListener = TextKeyListener.getInstance();
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if (mIMEState == IME_STATE_DISABLED ||
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mIMEState == IME_STATE_PLUGIN ||
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keyCode == KeyEvent.KEYCODE_ENTER ||
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keyCode == KeyEvent.KEYCODE_DEL ||
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(event.getFlags() & KeyEvent.FLAG_SOFT_KEYBOARD) != 0 ||
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!keyListener.onKeyUp(view, getEditable(), keyCode, event)) {
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mEditableClient.sendEvent(GeckoEvent.createKeyEvent(event));
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}
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return true;
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}
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public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) {
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while ((repeatCount--) != 0) {
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if (!processKeyDown(keyCode, event) ||
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!processKeyUp(keyCode, event)) {
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return false;
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}
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}
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return true;
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}
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public boolean onKeyLongPress(int keyCode, KeyEvent event) {
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View v = getView();
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switch (keyCode) {
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case KeyEvent.KEYCODE_MENU:
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InputMethodManager imm = getInputMethodManager();
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imm.toggleSoftInputFromWindow(v.getWindowToken(),
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InputMethodManager.SHOW_FORCED, 0);
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return true;
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default:
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break;
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}
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return false;
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}
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public boolean isIMEEnabled() {
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// make sure this picks up PASSWORD and PLUGIN states as well
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return mIMEState != IME_STATE_DISABLED;
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}
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|
public void notifyIME(final int type, final int state) {
|
|
switch (type) {
|
|
|
|
case NOTIFY_IME_CANCELCOMPOSITION:
|
|
// Set composition to empty and end composition
|
|
setComposingText("", 0);
|
|
// Fall through
|
|
|
|
case NOTIFY_IME_RESETINPUTSTATE:
|
|
// Commit and end composition
|
|
finishComposingText();
|
|
tryRestartInput();
|
|
break;
|
|
|
|
case NOTIFY_IME_FOCUSCHANGE:
|
|
// Showing/hiding vkb is done in notifyIMEEnabled
|
|
resetInputConnection();
|
|
break;
|
|
|
|
default:
|
|
if (DEBUG) {
|
|
throw new IllegalArgumentException("Unexpected NOTIFY_IME=" + type);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
public void notifyIMEEnabled(final int state, final String typeHint,
|
|
final String modeHint, final 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 greater than 11, for datetime/month/week as well.
|
|
if (typeHint != null &&
|
|
(typeHint.equals("date") ||
|
|
typeHint.equals("time") ||
|
|
(Build.VERSION.SDK_INT > 10 && (typeHint.equals("datetime") ||
|
|
typeHint.equals("month") ||
|
|
typeHint.equals("week") ||
|
|
typeHint.equals("datetime-local"))))) {
|
|
mIMEState = IME_STATE_DISABLED;
|
|
return;
|
|
}
|
|
|
|
// mIMEState and the mIME*Hint fields should only be changed by notifyIMEEnabled,
|
|
// and not reset anywhere else. Usually, notifyIMEEnabled 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 notifyIMEEnabled
|
|
// independent of focus change; that is, a focus change may not be accompanied by
|
|
// a notifyIMEEnabled call. So if we reset mIMEState inside focus, there may not
|
|
// be another notifyIMEEnabled 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;
|
|
|
|
View v = getView();
|
|
if (v == null || !v.hasFocus()) {
|
|
// When using Find In Page, we can still receive notifyIMEEnabled 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();
|
|
GeckoApp.mAppContext.mMainHandler.postDelayed(new Runnable() {
|
|
public void run() {
|
|
if (mIMEState == IME_STATE_DISABLED) {
|
|
hideSoftInput();
|
|
} else {
|
|
showSoftInput();
|
|
}
|
|
}
|
|
}, 200); // Delay 200ms to prevent repeated IME showing/hiding
|
|
}
|
|
}
|
|
|
|
final class DebugGeckoInputConnection
|
|
extends GeckoInputConnection
|
|
implements InvocationHandler {
|
|
|
|
private InputConnection mProxy;
|
|
|
|
private DebugGeckoInputConnection(View targetView,
|
|
GeckoEditableClient editable) {
|
|
super(targetView, editable);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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()) {
|
|
sb.append(obj.getClass().getComponentType().getSimpleName()).append("[")
|
|
.append(java.lang.reflect.Array.getLength(obj)).append("]");
|
|
} else {
|
|
sb.append(obj.toString());
|
|
}
|
|
return sb;
|
|
}
|
|
|
|
public Object invoke(Object proxy, Method method, Object[] args)
|
|
throws Throwable {
|
|
|
|
GeckoApp.assertOnUiThread();
|
|
Object ret = method.invoke(this, args);
|
|
if (ret == this) {
|
|
ret = mProxy;
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|