mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
650 lines
23 KiB
Java
650 lines
23 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.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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import java.util.Timer;
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import java.util.TimerTask;
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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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private static final Timer mIMETimer = new Timer("GeckoInputConnection Timer");
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private static int mIMEState;
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private static String mIMETypeHint = "";
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private static String mIMEModeHint = "";
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private static 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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public static InputConnectionHandler 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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// install the editable => input connection listener
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editable.setListener(this);
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mIMEState = IME_STATE_DISABLED;
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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 void postToUiThread(Runnable runnable) {
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// postToUiThread() is called by the Gecko and TimerTask threads.
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// The UI thread does not need to post Runnables to itself.
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GeckoApp.mAppContext.mMainHandler.post(runnable);
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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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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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protected void resetCompositionState() {
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if (mBatchEditCount > 0) {
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Log.d(LOGTAG, "resetCompositionState: resetting mBatchEditCount "
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+ mBatchEditCount + " -> 0");
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mBatchEditCount = 0;
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}
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removeComposingSpans(getEditable());
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mUpdateRequest = null;
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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 (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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resetCompositionState();
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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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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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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) {
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final View v = getView();
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if (v == null)
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return;
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switch (type) {
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case NOTIFY_IME_RESETINPUTSTATE:
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if (DEBUG) Log.d(LOGTAG, ". . . notifyIME: reset");
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resetCompositionState();
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// Don't use IMEStateUpdater for reset.
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// Because IME may not work showSoftInput()
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// after calling restartInput() immediately.
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// So we have to call showSoftInput() delay.
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InputMethodManager imm = getInputMethodManager();
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if (imm == null) {
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// no way to reset IME status directly
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IMEStateUpdater.resetIME();
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} else {
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imm.restartInput(v);
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}
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// keep current enabled state
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IMEStateUpdater.enableIME();
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break;
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case NOTIFY_IME_CANCELCOMPOSITION:
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if (DEBUG) Log.d(LOGTAG, ". . . notifyIME: cancel");
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removeComposingSpans(getEditable());
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break;
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case NOTIFY_IME_FOCUSCHANGE:
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if (DEBUG) Log.d(LOGTAG, ". . . notifyIME: focus");
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IMEStateUpdater.resetIME();
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break;
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default:
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if (DEBUG) {
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throw new IllegalArgumentException("Unexpected NOTIFY_IME=" + type);
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}
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break;
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}
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}
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public void notifyIMEEnabled(final int state, final String typeHint,
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final String modeHint, final String actionHint) {
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// For some input type we will use a widget to display the ui, for those we must not
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// display the ime. We can display a widget for date and time types and, if the sdk version
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// is greater than 11, for datetime/month/week as well.
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if (typeHint.equals("date") || typeHint.equals("time") ||
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(Build.VERSION.SDK_INT > 10 &&
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(typeHint.equals("datetime") || typeHint.equals("month") ||
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typeHint.equals("week") || typeHint.equals("datetime-local")))) {
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return;
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}
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final View v = getView();
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if (v == null)
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return;
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/* When IME is 'disabled', IME processing is disabled.
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In addition, the IME UI is hidden */
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mIMEState = state;
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|
mIMETypeHint = (typeHint == null) ? "" : typeHint;
|
|
mIMEModeHint = (modeHint == null) ? "" : modeHint;
|
|
mIMEActionHint = (actionHint == null) ? "" : actionHint;
|
|
IMEStateUpdater.enableIME();
|
|
}
|
|
|
|
/* Delay updating IME states (see bug 573800) */
|
|
private static final class IMEStateUpdater extends TimerTask {
|
|
private static IMEStateUpdater instance;
|
|
private boolean mEnable;
|
|
private boolean mReset;
|
|
|
|
private static IMEStateUpdater getInstance() {
|
|
if (instance == null) {
|
|
instance = new IMEStateUpdater();
|
|
mIMETimer.schedule(instance, 200);
|
|
}
|
|
return instance;
|
|
}
|
|
|
|
public static synchronized void enableIME() {
|
|
getInstance().mEnable = true;
|
|
}
|
|
|
|
public static synchronized void resetIME() {
|
|
getInstance().mReset = true;
|
|
}
|
|
|
|
public void run() {
|
|
if (DEBUG) Log.d(LOGTAG, "IME: IMEStateUpdater.run()");
|
|
synchronized (IMEStateUpdater.class) {
|
|
instance = null;
|
|
}
|
|
|
|
// TimerTask.run() is running on a random background thread, so post to UI thread.
|
|
postToUiThread(new Runnable() {
|
|
public void run() {
|
|
final View v = getView();
|
|
if (v == null)
|
|
return;
|
|
|
|
final InputMethodManager imm = getInputMethodManager();
|
|
if (imm == null)
|
|
return;
|
|
|
|
if (mReset)
|
|
imm.restartInput(v);
|
|
|
|
if (!mEnable)
|
|
return;
|
|
|
|
if (mIMEState != IME_STATE_DISABLED) {
|
|
imm.showSoftInput(v, 0);
|
|
} else if (imm.isActive(v)) {
|
|
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
final class DebugGeckoInputConnection
|
|
extends GeckoInputConnection
|
|
implements InvocationHandler {
|
|
|
|
private InputConnection mProxy;
|
|
|
|
private DebugGeckoInputConnection(View targetView,
|
|
GeckoEditableClient editable) {
|
|
super(targetView, editable);
|
|
}
|
|
|
|
public static InputConnectionHandler 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);
|
|
editable.setListener((GeckoEditableListener)dgic.mProxy);
|
|
return (InputConnectionHandler)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;
|
|
}
|
|
}
|
|
|