/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ package org.mozilla.gecko; import android.R; import android.os.Build; import android.os.SystemClock; import android.content.Context; import android.text.Editable; import android.text.InputType; import android.text.Selection; import android.text.Spannable; import android.text.SpannableStringBuilder; import android.text.Spanned; import android.text.TextUtils; import android.text.TextWatcher; import android.text.method.KeyListener; import android.text.method.TextKeyListener; import android.text.style.BackgroundColorSpan; import android.text.style.CharacterStyle; import android.text.style.ForegroundColorSpan; import android.text.style.UnderlineSpan; import android.util.DisplayMetrics; import android.util.Log; import android.util.LogPrinter; import android.view.KeyCharacterMap; import android.view.KeyEvent; import android.view.View; import android.view.inputmethod.BaseInputConnection; import android.view.inputmethod.CompletionInfo; import android.view.inputmethod.EditorInfo; import android.view.inputmethod.ExtractedText; import android.view.inputmethod.ExtractedTextRequest; import android.view.inputmethod.InputConnection; import android.view.inputmethod.InputMethodManager; import org.mozilla.gecko.gfx.InputConnectionHandler; import java.util.Timer; import java.util.TimerTask; public class GeckoInputConnection extends BaseInputConnection implements TextWatcher, InputConnectionHandler { private static final boolean DEBUG = false; protected static final String LOGTAG = "GeckoInputConnection"; // IME stuff public static final int IME_STATE_DISABLED = 0; public static final int IME_STATE_ENABLED = 1; public static final int IME_STATE_PASSWORD = 2; public static final int IME_STATE_PLUGIN = 3; private static final int NOTIFY_IME_RESETINPUTSTATE = 0; private static final int NOTIFY_IME_SETOPENSTATE = 1; private static final int NOTIFY_IME_CANCELCOMPOSITION = 2; private static final int NOTIFY_IME_FOCUSCHANGE = 3; private static final int NO_COMPOSITION_STRING = -1; private static final int INLINE_IME_MIN_DISPLAY_SIZE = 480; private static final char UNICODE_BULLET = '\u2022'; private static final char UNICODE_CENT_SIGN = '\u00a2'; private static final char UNICODE_COPYRIGHT_SIGN = '\u00a9'; private static final char UNICODE_DIVISION_SIGN = '\u00f7'; private static final char UNICODE_DOUBLE_LOW_QUOTATION_MARK = '\u201e'; private static final char UNICODE_ELLIPSIS = '\u2026'; private static final char UNICODE_EURO_SIGN = '\u20ac'; private static final char UNICODE_INVERTED_EXCLAMATION_MARK = '\u00a1'; private static final char UNICODE_MULTIPLICATION_SIGN = '\u00d7'; private static final char UNICODE_PI = '\u03a0'; private static final char UNICODE_PILCROW_SIGN = '\u00b6'; private static final char UNICODE_POUND_SIGN = '\u00a3'; private static final char UNICODE_REGISTERED_SIGN = '\u00ae'; private static final char UNICODE_SQUARE_ROOT = '\u221a'; private static final char UNICODE_TRADEMARK_SIGN = '\u2122'; private static final char UNICODE_WHITE_BULLET = '\u25e6'; private static final char UNICODE_YEN_SIGN = '\u00a5'; private static final Timer mIMETimer = new Timer("GeckoInputConnection Timer"); private static int mIMEState; private static String mIMETypeHint; private static String mIMEActionHint; // Is a composition active? private int mCompositionStart = NO_COMPOSITION_STRING; private boolean mCommittingText; private KeyCharacterMap mKeyCharacterMap; private Editable mEditable; private Editable.Factory mEditableFactory; private boolean mBatchMode; private ExtractedTextRequest mUpdateRequest; private final ExtractedText mUpdateExtract = new ExtractedText(); public static GeckoInputConnection create(View targetView) { if (DEBUG) return new DebugGeckoInputConnection(targetView); else return new GeckoInputConnection(targetView); } protected GeckoInputConnection(View targetView) { super(targetView, true); mEditableFactory = Editable.Factory.getInstance(); initEditable(""); mIMEState = IME_STATE_DISABLED; mIMETypeHint = ""; mIMEActionHint = ""; } @Override public boolean beginBatchEdit() { mBatchMode = true; return true; } @Override public boolean endBatchEdit() { mBatchMode = false; return true; } @Override public boolean commitCompletion(CompletionInfo text) { return commitText(text.getText(), 1); } @Override public boolean commitText(CharSequence text, int newCursorPosition) { if (mCommittingText) Log.e(LOGTAG, "Please report this bug:", new IllegalStateException("commitText, but already committing text?!")); mCommittingText = true; replaceText(text, newCursorPosition, false); mCommittingText = false; if (hasCompositionString()) { if (DEBUG) Log.d(LOGTAG, ". . . commitText: endComposition"); endComposition(); } return true; } @Override public boolean finishComposingText() { // finishComposingText() is sometimes called even when we are not composing text. if (hasCompositionString()) { if (DEBUG) Log.d(LOGTAG, ". . . finishComposingText: endComposition"); endComposition(); } final Editable content = getEditable(); if (content != null) { beginBatchEdit(); removeComposingSpans(content); endBatchEdit(); } return true; } @Override public Editable getEditable() { return mEditable; } @Override public boolean performContextMenuAction(int id) { final Editable content = getEditable(); if (content == null) return false; String text = content.toString(); Span selection = clampSelection(); switch (id) { case R.id.selectAll: setSelection(0, text.length()); break; case R.id.cut: // Fill the clipboard GeckoAppShell.setClipboardText(text); // If selection is empty, we'll select everything if (selection.length == 0) GeckoAppShell.sendEventToGecko( GeckoEvent.createIMEEvent(GeckoEvent.IME_SET_SELECTION, 0, text.length())); GeckoAppShell.sendEventToGecko( GeckoEvent.createIMEEvent(GeckoEvent.IME_DELETE_TEXT, 0, 0)); break; case R.id.paste: commitText(GeckoAppShell.getClipboardText(), 1); break; case R.id.copy: // Copy the current selection or the empty string if nothing is selected. String copiedText = selection.length > 0 ? text.substring(selection.start, selection.end) : ""; GeckoAppShell.setClipboardText(text); break; } return true; } @Override public ExtractedText getExtractedText(ExtractedTextRequest req, int flags) { if (req == null) return null; final Editable content = getEditable(); if (content == null) return null; if ((flags & GET_EXTRACTED_TEXT_MONITOR) != 0) mUpdateRequest = req; Span selection = clampSelection(); ExtractedText extract = new ExtractedText(); extract.flags = 0; extract.partialStartOffset = -1; extract.partialEndOffset = -1; extract.selectionStart = selection.start; extract.selectionEnd = selection.end; extract.startOffset = 0; extract.text = content.toString(); return extract; } @Override public boolean setSelection(int start, int end) { // Some IMEs call setSelection() with negative or stale indexes, so clamp them. Span newSelection = Span.clamp(start, end, getEditable()); GeckoAppShell.sendEventToGecko(GeckoEvent.createIMEEvent(GeckoEvent.IME_SET_SELECTION, newSelection.start, newSelection.length)); return super.setSelection(newSelection.start, newSelection.end); } @Override public boolean deleteSurroundingText(int leftLength, int rightLength) { clampSelection(); return super.deleteSurroundingText(leftLength, rightLength); } @Override public int getCursorCapsMode(int reqModes) { clampSelection(); return super.getCursorCapsMode(reqModes); } @Override public CharSequence getTextBeforeCursor(int length, int flags) { clampSelection(); return super.getTextBeforeCursor(length, flags); } @Override public CharSequence getSelectedText(int flags) { clampSelection(); return super.getSelectedText(flags); } @Override public CharSequence getTextAfterCursor(int length, int flags) { clampSelection(); return super.getTextAfterCursor(length, flags); } @Override public boolean setComposingText(CharSequence text, int newCursorPosition) { // setComposingText will likely be called multiple times while we are composing text. clampSelection(); return super.setComposingText(text, newCursorPosition); } // Android's BaseInputConnection.java is vulnerable to IndexOutOfBoundsExceptions because it // does not adequately protect against stale indexes for selections exceeding the content length // when the Editable content changes. We must clamp the indexes to be safe. private Span clampSelection() { Editable content = getEditable(); final int currentStart = Selection.getSelectionStart(content); final int currentEnd = Selection.getSelectionEnd(content); Span selection = Span.clamp(currentStart, currentEnd, content); if (selection.start != currentStart || selection.end != currentEnd) { Log.e(LOGTAG, "CLAMPING BOGUS SELECTION (" + currentStart + ", " + currentEnd + "] -> (" + selection.start + ", " + selection.end + "]", new AssertionError()); super.setSelection(selection.start, selection.end); } return selection; } private void replaceText(CharSequence text, int newCursorPosition, boolean composing) { if (DEBUG) { Log.d(LOGTAG, String.format("IME: replaceText(\"%s\", %d, %b)", text, newCursorPosition, composing)); } if (text == null) text = ""; final Editable content = getEditable(); if (content == null) { return; } beginBatchEdit(); // delete composing text set previously. int a = getComposingSpanStart(content); int b = getComposingSpanEnd(content); if (DEBUG) Log.d(LOGTAG, "Composing span: " + a + " to " + b); if (b < a) { int tmp = a; a = b; b = tmp; } if (a != -1 && b != -1) { removeComposingSpans(content); } else { Span selection = clampSelection(); a = selection.start; b = selection.end; } if (composing) { Spannable sp = null; if (!(text instanceof Spannable)) { sp = new SpannableStringBuilder(text); text = sp; // Underline the active composition string. sp.setSpan(new UnderlineSpan(), 0, sp.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE | Spanned.SPAN_COMPOSING); } else { sp = (Spannable) text; } setComposingSpans(sp); } if (DEBUG) Log.d(LOGTAG, "Replacing from " + a + " to " + b + " with \"" + text + "\", composing=" + composing + ", type=" + text.getClass().getCanonicalName()); if (DEBUG) { LogPrinter lp = new LogPrinter(Log.VERBOSE, LOGTAG); lp.println("Current text:"); TextUtils.dumpSpans(content, lp, " "); lp.println("Composing text:"); TextUtils.dumpSpans(text, lp, " "); } // Position the cursor appropriately, so that after replacing the // desired range of text it will be located in the correct spot. // This allows us to deal with filters performing edits on the text // we are providing here. if (newCursorPosition > 0) { newCursorPosition += b - 1; } else { newCursorPosition += a; } if (newCursorPosition < 0) newCursorPosition = 0; if (newCursorPosition > content.length()) newCursorPosition = content.length(); Selection.setSelection(content, newCursorPosition); content.replace(a, b, text); if (DEBUG) { LogPrinter lp = new LogPrinter(Log.VERBOSE, LOGTAG); lp.println("Final text:"); TextUtils.dumpSpans(content, lp, " "); } endBatchEdit(); } @Override public boolean setComposingRegion(int start, int end) { if (hasCompositionString()) { if (DEBUG) Log.d(LOGTAG, ". . . setComposingRegion: endComposition"); endComposition(); } Span newComposingRegion = Span.clamp(start, end, getEditable()); return super.setComposingRegion(newComposingRegion.start, newComposingRegion.end); } public String getComposingText() { final Editable content = getEditable(); if (content == null) { return null; } int a = getComposingSpanStart(content); int b = getComposingSpanEnd(content); if (a < 0 || b < 0) return null; if (b < a) { int tmp = a; a = b; b = tmp; } return TextUtils.substring(content, a, b); } public boolean onKeyDel() { // Some IMEs don't update us on deletions // In that case we are not updated when a composition // is destroyed, and Bad Things happen if (!hasCompositionString()) return false; String text = getComposingText(); if (text != null && text.length() > 1) { text = text.substring(0, text.length() - 1); replaceText(text, 1, false); return false; } commitText(null, 1); return true; } private static InputMethodManager getInputMethodManager() { Context context = GeckoApp.mAppContext.getLayerController().getView().getContext(); return (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE); } public void notifyTextChange(InputMethodManager imm, String text, int start, int oldEnd, int newEnd) { if (!mBatchMode) { if (!text.contentEquals(mEditable)) { if (DEBUG) Log.d(LOGTAG, String.format( ". . . notifyTextChange: current mEditable=\"%s\"", mEditable.toString())); setEditable(text); } } if (mUpdateRequest == null) return; View v = GeckoApp.mAppContext.getLayerController().getView(); if (imm == null) { imm = getInputMethodManager(); if (imm == null) return; } mUpdateExtract.flags = 0; // We update from (0, oldEnd) to (0, newEnd) because some Android IMEs // assume that updates start at zero, according to jchen. mUpdateExtract.partialStartOffset = 0; mUpdateExtract.partialEndOffset = oldEnd; // Faster to not query for selection mUpdateExtract.selectionStart = newEnd; mUpdateExtract.selectionEnd = newEnd; mUpdateExtract.text = text.substring(0, newEnd); mUpdateExtract.startOffset = 0; imm.updateExtractedText(v, mUpdateRequest.token, mUpdateExtract); } public void notifySelectionChange(InputMethodManager imm, int start, int end) { if (!mBatchMode) { final Editable content = getEditable(); Span newSelection = Span.clamp(start, end, content); start = newSelection.start; end = newSelection.end; Span currentSelection = clampSelection(); int a = currentSelection.start; int b = currentSelection.end; if (start != a || end != b) { if (DEBUG) { Log.d(LOGTAG, String.format( ". . . notifySelectionChange: current editable selection: [%d, %d]", a, b)); } super.setSelection(start, end); // Check if the selection is inside composing span int ca = getComposingSpanStart(content); int cb = getComposingSpanEnd(content); if (cb < ca) { int tmp = ca; ca = cb; cb = tmp; } if (start < ca || start > cb || end < ca || end > cb) { if (DEBUG) Log.d(LOGTAG, ". . . notifySelectionChange: removeComposingSpans"); removeComposingSpans(content); } } } if (imm != null && imm.isFullscreenMode()) { View v = GeckoApp.mAppContext.getLayerController().getView(); imm.updateSelection(v, start, end, -1, -1); } } protected void resetCompositionState() { mCompositionStart = NO_COMPOSITION_STRING; mBatchMode = false; mUpdateRequest = null; } // TextWatcher public void onTextChanged(CharSequence s, int start, int before, int count) { if (hasCompositionString() && mCompositionStart != start) { // Changed range is different from the composition, need to reset the composition endComposition(); } CharSequence changedText = s.subSequence(start, start + count); if (DEBUG) { Log.d(LOGTAG, "onTextChanged: changedText=\"" + changedText + "\""); } if (changedText.length() == 1) { char changedChar = changedText.charAt(0); // Some IMEs (e.g. SwiftKey X) send a string with '\n' when Enter is pressed // Such string cannot be handled by Gecko, so we convert it to a key press instead if (changedChar == '\n') { processKeyDown(KeyEvent.KEYCODE_ENTER, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER), false); processKeyUp(KeyEvent.KEYCODE_ENTER, new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_ENTER), false); return; } // If we are committing a single character and didn't have an active composition string, // we can send Gecko keydown/keyup events instead of composition events. if (mCommittingText && !hasCompositionString() && sendKeyEventsToGecko(changedChar)) { // Block this thread until all pending events are processed GeckoAppShell.geckoEventSync(); return; } } boolean startCompositionString = !hasCompositionString(); if (startCompositionString) { if (DEBUG) Log.d(LOGTAG, ". . . onTextChanged: IME_COMPOSITION_BEGIN"); GeckoAppShell.sendEventToGecko( GeckoEvent.createIMEEvent(GeckoEvent.IME_COMPOSITION_BEGIN, 0, 0)); mCompositionStart = start; if (DEBUG) { Log.d(LOGTAG, ". . . onTextChanged: IME_SET_SELECTION, start=" + start + ", len=" + before); } GeckoAppShell.sendEventToGecko( GeckoEvent.createIMEEvent(GeckoEvent.IME_SET_SELECTION, start, before)); } sendTextToGecko(changedText, start + count); if (DEBUG) { Log.d(LOGTAG, ". . . onTextChanged: IME_SET_SELECTION, start=" + (start + count) + ", 0"); } GeckoAppShell.sendEventToGecko( GeckoEvent.createIMEEvent(GeckoEvent.IME_SET_SELECTION, start + count, 0)); // End composition if all characters in the word have been deleted. // This fixes autocomplete results not appearing. if (count == 0 || (startCompositionString && mCommittingText)) endComposition(); // Block this thread until all pending events are processed GeckoAppShell.geckoEventSync(); } private boolean sendKeyEventsToGecko(char inputChar) { // Synthesize VKB key events that could plausibly generate the input character. KeyEvent[] events = synthesizeKeyEvents(inputChar); if (events == null) { if (DEBUG) { Log.d(LOGTAG, "synthesizeKeyEvents: char '" + inputChar + "' has no virtual key mapping"); } return false; } boolean sentKeyEvents = false; for (KeyEvent event : events) { if (!KeyEvent.isModifierKey(event.getKeyCode())) { if (DEBUG) { Log.d(LOGTAG, "synthesizeKeyEvents: char '" + inputChar + "' -> action=" + event.getAction() + ", keyCode=" + event.getKeyCode() + ", UnicodeChar='" + (char) event.getUnicodeChar() + "'"); } GeckoAppShell.sendEventToGecko(GeckoEvent.createKeyEvent(event)); sentKeyEvents = true; } } return sentKeyEvents; } private KeyEvent[] synthesizeKeyEvents(char inputChar) { // Some symbol characters produce unusual key events on Froyo and Gingerbread. if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.GINGERBREAD_MR1) { switch (inputChar) { case '&': // Gingerbread's KeyCharacterMap would return ALT+7, but we want SHIFT+7. if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) { return createKeyDownKeyUpEvents(KeyEvent.KEYCODE_7, KeyEvent.META_SHIFT_ON); } // Froyo's KeyCharacterMap will return the correct '&' key events below. break; case '<': case '>': // We can't synthesize KeyEvents for '<' or '>' because Froyo and Gingerbread // return incorrect shifted char codes from KeyEvent.getUnicodeChar(). // Send these characters as composition strings, not key events. return null; // Some symbol characters produce key events on Froyo and Gingerbread, but not // Honeycomb and ICS. Send these characters as composition strings, not key events, // to more closely mimic Honeycomb and ICS. case UNICODE_BULLET: case UNICODE_CENT_SIGN: case UNICODE_COPYRIGHT_SIGN: case UNICODE_DIVISION_SIGN: case UNICODE_DOUBLE_LOW_QUOTATION_MARK: case UNICODE_ELLIPSIS: case UNICODE_EURO_SIGN: case UNICODE_INVERTED_EXCLAMATION_MARK: case UNICODE_MULTIPLICATION_SIGN: case UNICODE_PI: case UNICODE_PILCROW_SIGN: case UNICODE_POUND_SIGN: case UNICODE_REGISTERED_SIGN: case UNICODE_SQUARE_ROOT: case UNICODE_TRADEMARK_SIGN: case UNICODE_WHITE_BULLET: case UNICODE_YEN_SIGN: return null; default: // Look up the character's key events in KeyCharacterMap below. break; } } if (mKeyCharacterMap == null) { mKeyCharacterMap = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD); } char[] inputChars = { inputChar }; return mKeyCharacterMap.getEvents(inputChars); } private static KeyEvent[] createKeyDownKeyUpEvents(int keyCode, int metaState) { long now = SystemClock.uptimeMillis(); KeyEvent keyDown = new KeyEvent(now, now, KeyEvent.ACTION_DOWN, keyCode, 0, metaState); KeyEvent keyUp = KeyEvent.changeAction(keyDown, KeyEvent.ACTION_UP); KeyEvent[] events = { keyDown, keyUp }; return events; } private void endComposition() { if (DEBUG) Log.d(LOGTAG, "IME: endComposition: IME_COMPOSITION_END"); if (!hasCompositionString()) Log.e(LOGTAG, "Please report this bug:", new IllegalStateException("endComposition, but not composing text?!")); GeckoAppShell.sendEventToGecko( GeckoEvent.createIMEEvent(GeckoEvent.IME_COMPOSITION_END, 0, 0)); mCompositionStart = NO_COMPOSITION_STRING; } private void sendTextToGecko(CharSequence text, int caretPos) { if (DEBUG) Log.d(LOGTAG, "IME: sendTextToGecko(\"" + text + "\")"); // Handle composition text styles if (text != null && text instanceof Spanned) { Spanned span = (Spanned) text; int spanStart = 0, spanEnd = 0; boolean pastSelStart = false, pastSelEnd = false; do { int rangeType = GeckoEvent.IME_RANGE_CONVERTEDTEXT; int rangeStyles = 0, rangeForeColor = 0, rangeBackColor = 0; // Find next offset where there is a style transition spanEnd = span.nextSpanTransition(spanStart + 1, text.length(), CharacterStyle.class); // Empty range, continue if (spanEnd <= spanStart) continue; // Get and iterate through list of span objects within range CharacterStyle[] styles = span.getSpans(spanStart, spanEnd, CharacterStyle.class); for (CharacterStyle style : styles) { if (style instanceof UnderlineSpan) { // Text should be underlined rangeStyles |= GeckoEvent.IME_RANGE_UNDERLINE; } else if (style instanceof ForegroundColorSpan) { // Text should be of a different foreground color rangeStyles |= GeckoEvent.IME_RANGE_FORECOLOR; rangeForeColor = ((ForegroundColorSpan) style).getForegroundColor(); } else if (style instanceof BackgroundColorSpan) { // Text should be of a different background color rangeStyles |= GeckoEvent.IME_RANGE_BACKCOLOR; rangeBackColor = ((BackgroundColorSpan) style).getBackgroundColor(); } } // Add range to array, the actual styles are // applied when IME_SET_TEXT is sent if (DEBUG) { Log.d(LOGTAG, String.format( ". . . sendTextToGecko: IME_ADD_RANGE, %d, %d, %d, %d, %d, %d", spanStart, spanEnd - spanStart, rangeType, rangeStyles, rangeForeColor, rangeBackColor)); } GeckoAppShell.sendEventToGecko( GeckoEvent.createIMERangeEvent(spanStart, spanEnd - spanStart, rangeType, rangeStyles, rangeForeColor, rangeBackColor)); spanStart = spanEnd; } while (spanStart < text.length()); } else { if (DEBUG) Log.d(LOGTAG, ". . . sendTextToGecko: IME_ADD_RANGE, 0, " + text.length() + ", IME_RANGE_RAWINPUT, IME_RANGE_UNDERLINE)"); GeckoAppShell.sendEventToGecko( GeckoEvent.createIMERangeEvent(0, text == null ? 0 : text.length(), GeckoEvent.IME_RANGE_RAWINPUT, GeckoEvent.IME_RANGE_UNDERLINE, 0, 0)); } // Change composition (treating selection end as where the caret is) if (DEBUG) { Log.d(LOGTAG, ". . . sendTextToGecko: IME_SET_TEXT, IME_RANGE_CARETPOSITION, \"" + text + "\")"); } GeckoAppShell.sendEventToGecko( GeckoEvent.createIMERangeEvent(caretPos, 0, GeckoEvent.IME_RANGE_CARETPOSITION, 0, 0, 0, text.toString())); } public void afterTextChanged(Editable s) { } public void beforeTextChanged(CharSequence s, int start, int count, int after) { } public InputConnection onCreateInputConnection(EditorInfo outAttrs) { outAttrs.inputType = InputType.TYPE_CLASS_TEXT; outAttrs.imeOptions = EditorInfo.IME_ACTION_NONE; outAttrs.actionLabel = null; if (mIMEState == IME_STATE_PASSWORD) outAttrs.inputType |= InputType.TYPE_TEXT_VARIATION_PASSWORD; 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("datetime") || mIMETypeHint.equalsIgnoreCase("datetime-local")) outAttrs.inputType = InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_NORMAL; else if (mIMETypeHint.equalsIgnoreCase("date")) outAttrs.inputType = InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_DATE; else if (mIMETypeHint.equalsIgnoreCase("time")) outAttrs.inputType = InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_TIME; 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 != null && mIMEActionHint.length() != 0) outAttrs.actionLabel = mIMEActionHint; DisplayMetrics metrics = GeckoApp.mAppContext.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; } // onCreateInputConnection() can be called during composition when input focus // is restored from a VKB popup window (such as for entering accented characters) // back to our IME. We want to commit our active composition string. Bug 756429 if (hasCompositionString()) { endComposition(); } resetCompositionState(); return this; } public boolean onKeyPreIme(int keyCode, KeyEvent event) { switch (event.getAction()) { case KeyEvent.ACTION_DOWN: return processKeyDown(keyCode, event, true); case KeyEvent.ACTION_UP: return processKeyUp(keyCode, event, true); case KeyEvent.ACTION_MULTIPLE: return onKeyMultiple(keyCode, event.getRepeatCount(), event); } return false; } public boolean onKeyDown(int keyCode, KeyEvent event) { return processKeyDown(keyCode, event, false); } private boolean processKeyDown(int keyCode, KeyEvent event, boolean isPreIme) { if (DEBUG) { Log.d(LOGTAG, "IME: processKeyDown(keyCode=" + keyCode + ", event=" + event + ", " + isPreIme + ")"); } clampSelection(); 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; case KeyEvent.KEYCODE_DEL: // See comments in GeckoInputConnection.onKeyDel if (onKeyDel()) { return true; } break; case KeyEvent.KEYCODE_ENTER: if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 && mIMEActionHint.equalsIgnoreCase("next")) event = new KeyEvent(event.getAction(), KeyEvent.KEYCODE_TAB); break; default: break; } if (isPreIme && mIMEState != IME_STATE_DISABLED && (event.getMetaState() & KeyEvent.META_ALT_ON) != 0) // Let active IME process pre-IME key events return false; View view = GeckoApp.mAppContext.getLayerController().getView(); KeyListener keyListener = TextKeyListener.getInstance(); // KeyListener returns true if it handled the event for us. if (mIMEState == IME_STATE_DISABLED || keyCode == KeyEvent.KEYCODE_ENTER || keyCode == KeyEvent.KEYCODE_DEL || keyCode == KeyEvent.KEYCODE_TAB || (event.getFlags() & KeyEvent.FLAG_SOFT_KEYBOARD) != 0 || !keyListener.onKeyDown(view, mEditable, keyCode, event)) { // Make sure selection in Gecko is up-to-date Span selection = clampSelection(); GeckoAppShell.sendEventToGecko(GeckoEvent.createIMEEvent(GeckoEvent.IME_SET_SELECTION, selection.start, selection.length)); GeckoAppShell.sendEventToGecko(GeckoEvent.createKeyEvent(event)); } return true; } public boolean onKeyUp(int keyCode, KeyEvent event) { return processKeyUp(keyCode, event, false); } private boolean processKeyUp(int keyCode, KeyEvent event, boolean isPreIme) { if (DEBUG) { Log.d(LOGTAG, "IME: processKeyUp(keyCode=" + keyCode + ", event=" + event + ", " + isPreIme + ")"); } switch (keyCode) { case KeyEvent.KEYCODE_BACK: case KeyEvent.KEYCODE_SEARCH: case KeyEvent.KEYCODE_MENU: return false; default: break; } if (isPreIme && mIMEState != IME_STATE_DISABLED && (event.getMetaState() & KeyEvent.META_ALT_ON) != 0) // Let active IME process pre-IME key events return false; View view = GeckoApp.mAppContext.getLayerController().getView(); KeyListener keyListener = TextKeyListener.getInstance(); if (mIMEState == IME_STATE_DISABLED || keyCode == KeyEvent.KEYCODE_ENTER || keyCode == KeyEvent.KEYCODE_DEL || (event.getFlags() & KeyEvent.FLAG_SOFT_KEYBOARD) != 0 || !keyListener.onKeyUp(view, mEditable, keyCode, event)) { GeckoAppShell.sendEventToGecko(GeckoEvent.createKeyEvent(event)); } return true; } public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { GeckoAppShell.sendEventToGecko(GeckoEvent.createKeyEvent(event)); return true; } public boolean onKeyLongPress(int keyCode, KeyEvent event) { View v = GeckoApp.mAppContext.getLayerController().getView(); switch (keyCode) { case KeyEvent.KEYCODE_MENU: InputMethodManager imm = getInputMethodManager(); imm.toggleSoftInputFromWindow(v.getWindowToken(), InputMethodManager.SHOW_FORCED, 0); return true; default: break; } return false; } public boolean isIMEEnabled() { // make sure this picks up PASSWORD and PLUGIN states as well return mIMEState != IME_STATE_DISABLED; } public void notifyIME(int type, int state) { View v = GeckoApp.mAppContext.getLayerController().getView(); if (v == null) return; switch (type) { case NOTIFY_IME_RESETINPUTSTATE: if (DEBUG) Log.d(LOGTAG, ". . . notifyIME: reset"); // Gecko just cancelled the current composition from underneath us, // so abandon our active composition string WITHOUT committing it! resetCompositionState(); // Don't use IMEStateUpdater for reset. // Because IME may not work showSoftInput() // after calling restartInput() immediately. // So we have to call showSoftInput() delay. InputMethodManager imm = getInputMethodManager(); if (imm == null) { // no way to reset IME status directly IMEStateUpdater.resetIME(); } else { imm.restartInput(v); } // keep current enabled state IMEStateUpdater.enableIME(); break; case NOTIFY_IME_CANCELCOMPOSITION: if (DEBUG) Log.d(LOGTAG, ". . . notifyIME: cancel"); IMEStateUpdater.resetIME(); break; case NOTIFY_IME_FOCUSCHANGE: if (DEBUG) Log.d(LOGTAG, ". . . notifyIME: focus"); IMEStateUpdater.resetIME(); break; } } public void notifyIMEEnabled(int state, String typeHint, String actionHint) { View v = GeckoApp.mAppContext.getLayerController().getView(); if (v == null) return; /* When IME is 'disabled', IME processing is disabled. In addition, the IME UI is hidden */ mIMEState = state; mIMETypeHint = typeHint; mIMEActionHint = actionHint; IMEStateUpdater.enableIME(); } public void notifyIMEChange(String text, int start, int end, int newEnd) { InputMethodManager imm = getInputMethodManager(); if (imm == null) return; if (newEnd < 0) notifySelectionChange(imm, start, end); else notifyTextChange(imm, text, start, end, newEnd); } /* 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: run()"); synchronized (IMEStateUpdater.class) { instance = null; } final View v = GeckoApp.mAppContext.getLayerController().getView(); if (DEBUG) Log.d(LOGTAG, "IME: v=" + v); 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 { imm.hideSoftInputFromWindow(v.getWindowToken(), 0); } } } public void setEditable(String contents) { mEditable.removeSpan(this); mEditable.replace(0, mEditable.length(), contents); mEditable.setSpan(this, 0, contents.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE); Selection.setSelection(mEditable, contents.length()); } public void initEditable(String contents) { mEditable = mEditableFactory.newEditable(contents); mEditable.setSpan(this, 0, contents.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE); Selection.setSelection(mEditable, contents.length()); } protected final boolean hasCompositionString() { return mCompositionStart != NO_COMPOSITION_STRING; } private static final class Span { public final int start; public final int end; public final int length; public static Span clamp(int start, int end, Editable content) { return new Span(start, end, content); } private Span(int a, int b, Editable content) { if (a > b) { int tmp = a; a = b; b = tmp; } final int contentLength = content.length(); if (a < 0) { a = 0; } else if (a > contentLength) { a = contentLength; } if (b < 0) { b = 0; } else if (b > contentLength) { b = contentLength; } start = a; end = b; length = end - start; } } private static final class DebugGeckoInputConnection extends GeckoInputConnection { public DebugGeckoInputConnection(View targetView) { super(targetView); } @Override public boolean beginBatchEdit() { Log.d(LOGTAG, "IME: beginBatchEdit"); return super.beginBatchEdit(); } @Override public boolean endBatchEdit() { Log.d(LOGTAG, "IME: endBatchEdit"); return super.endBatchEdit(); } @Override public boolean commitCompletion(CompletionInfo text) { Log.d(LOGTAG, "IME: commitCompletion"); return super.commitCompletion(text); } @Override public boolean commitText(CharSequence text, int newCursorPosition) { Log.d(LOGTAG, String.format("IME: commitText(\"%s\", %d)", text, newCursorPosition)); return super.commitText(text, newCursorPosition); } @Override public boolean deleteSurroundingText(int leftLength, int rightLength) { Log.d(LOGTAG, "IME: deleteSurroundingText(leftLen=" + leftLength + ", rightLen=" + rightLength + ")"); return super.deleteSurroundingText(leftLength, rightLength); } @Override public boolean finishComposingText() { Log.d(LOGTAG, "IME: finishComposingText"); return super.finishComposingText(); } @Override public Editable getEditable() { Editable editable = super.getEditable(); Log.d(LOGTAG, "IME: getEditable -> " + editable); return editable; } @Override public boolean performContextMenuAction(int id) { Log.d(LOGTAG, "IME: performContextMenuAction"); return super.performContextMenuAction(id); } @Override public ExtractedText getExtractedText(ExtractedTextRequest req, int flags) { Log.d(LOGTAG, "IME: getExtractedText"); ExtractedText extract = super.getExtractedText(req, flags); if (extract != null) Log.d(LOGTAG, String.format( ". . . getExtractedText: extract.text=\"%s\", selStart=%d, selEnd=%d", extract.text, extract.selectionStart, extract.selectionEnd)); return extract; } @Override public CharSequence getTextAfterCursor(int length, int flags) { Log.d(LOGTAG, "IME: getTextAfterCursor(length=" + length + ", flags=" + flags + ")"); CharSequence s = super.getTextAfterCursor(length, flags); Log.d(LOGTAG, ". . . getTextAfterCursor returns \"" + s + "\""); return s; } @Override public CharSequence getTextBeforeCursor(int length, int flags) { Log.d(LOGTAG, "IME: getTextBeforeCursor"); CharSequence s = super.getTextBeforeCursor(length, flags); Log.d(LOGTAG, ". . . getTextBeforeCursor returns \"" + s + "\""); return s; } @Override public boolean setComposingText(CharSequence text, int newCursorPosition) { Log.d(LOGTAG, String.format("IME: setComposingText(\"%s\", %d)", text, newCursorPosition)); return super.setComposingText(text, newCursorPosition); } @Override public boolean setComposingRegion(int start, int end) { Log.d(LOGTAG, "IME: setComposingRegion(start=" + start + ", end=" + end + ")"); return super.setComposingRegion(start, end); } @Override public boolean setSelection(int start, int end) { Log.d(LOGTAG, "IME: setSelection(start=" + start + ", end=" + end + ")"); return super.setSelection(start, end); } @Override public String getComposingText() { Log.d(LOGTAG, "IME: getComposingText"); String s = super.getComposingText(); Log.d(LOGTAG, ". . . getComposingText: Composing text = \"" + s + "\""); return s; } @Override public boolean onKeyDel() { Log.d(LOGTAG, "IME: onKeyDel"); return super.onKeyDel(); } @Override public void notifyTextChange(InputMethodManager imm, String text, int start, int oldEnd, int newEnd) { Log.d(LOGTAG, String.format( "IME: >notifyTextChange(\"%s\", start=%d, oldEnd=%d, newEnd=%d)", text, start, oldEnd, newEnd)); super.notifyTextChange(imm, text, start, oldEnd, newEnd); } @Override public void notifySelectionChange(InputMethodManager imm, int start, int end) { Log.d(LOGTAG, String.format("IME: >notifySelectionChange(start=%d, end=%d)", start, end)); super.notifySelectionChange(imm, start, end); } @Override protected void resetCompositionState() { Log.d(LOGTAG, "IME: resetCompositionState"); if (hasCompositionString()) { Log.d(LOGTAG, "resetCompositionState() is abandoning an active composition string"); } super.resetCompositionState(); } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { Log.d(LOGTAG, String.format("IME: onTextChanged(\"%s\" start=%d, before=%d, count=%d)", s, start, before, count)); super.onTextChanged(s, start, before, count); } @Override public void afterTextChanged(Editable s) { Log.d(LOGTAG, "IME: afterTextChanged(\"" + s + "\")"); super.afterTextChanged(s); } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { Log.d(LOGTAG, String.format("IME: beforeTextChanged(\"%s\", start=%d, count=%d, after=%d)", s, start, count, after)); super.beforeTextChanged(s, start, count, after); } @Override public InputConnection onCreateInputConnection(EditorInfo outAttrs) { Log.d(LOGTAG, "IME: onCreateInputConnection called"); return super.onCreateInputConnection(outAttrs); } @Override public boolean onKeyPreIme(int keyCode, KeyEvent event) { Log.d(LOGTAG, "IME: onKeyPreIme(keyCode=" + keyCode + ", event=" + event + ")"); return super.onKeyPreIme(keyCode, event); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { Log.d(LOGTAG, "IME: onKeyDown(keyCode=" + keyCode + ", event=" + event + ")"); return super.onKeyDown(keyCode, event); } @Override public boolean onKeyUp(int keyCode, KeyEvent event) { Log.d(LOGTAG, "IME: onKeyUp(keyCode=" + keyCode + ", event=" + event + ")"); return super.onKeyUp(keyCode, event); } @Override public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { Log.d(LOGTAG, "IME: onKeyMultiple(keyCode=" + keyCode + ", repeatCount=" + repeatCount + ", event=" + event + ")"); return super.onKeyMultiple(keyCode, repeatCount, event); } @Override public boolean onKeyLongPress(int keyCode, KeyEvent event) { Log.d(LOGTAG, "IME: onKeyLongPress(keyCode=" + keyCode + ", event=" + event + ")"); return super.onKeyLongPress(keyCode, event); } @Override public void notifyIME(int type, int state) { Log.d(LOGTAG, String.format("IME: >notifyIME(type=%d, state=%d)", type, state)); super.notifyIME(type, state); } } }