diff options
Diffstat (limited to 'mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoInputConnection.java')
| -rw-r--r-- | mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoInputConnection.java | 829 |
1 files changed, 829 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoInputConnection.java b/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoInputConnection.java new file mode 100644 index 0000000000..2d2f2d8dd3 --- /dev/null +++ b/mobile/android/geckoview/src/main/java/org/mozilla/geckoview/GeckoInputConnection.java @@ -0,0 +1,829 @@ +/* -*- 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.geckoview; + +import android.annotation.TargetApi; +import android.content.Context; +import android.content.res.Configuration; +import android.graphics.Matrix; +import android.graphics.RectF; +import android.media.AudioManager; +import android.os.Build; +import android.os.Bundle; +import android.os.Handler; +import android.os.Looper; +import android.text.Editable; +import android.text.Selection; +import android.text.SpannableString; +import android.util.DisplayMetrics; +import android.util.Log; +import android.view.KeyEvent; +import android.view.View; +import android.view.inputmethod.BaseInputConnection; +import android.view.inputmethod.CursorAnchorInfo; +import android.view.inputmethod.EditorInfo; +import android.view.inputmethod.ExtractedText; +import android.view.inputmethod.ExtractedTextRequest; +import android.view.inputmethod.InputConnection; +import android.view.inputmethod.InputContentInfo; +import androidx.annotation.NonNull; +import java.io.ByteArrayOutputStream; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.InputStream; +import java.lang.reflect.InvocationHandler; +import java.lang.reflect.Method; +import java.lang.reflect.Proxy; +import org.mozilla.gecko.Clipboard; +import org.mozilla.gecko.InputMethods; +import org.mozilla.gecko.util.ThreadUtils; + +/* package */ final class GeckoInputConnection extends BaseInputConnection + implements SessionTextInput.InputConnectionClient, SessionTextInput.EditableListener { + + private static final boolean DEBUG = false; + protected static final String LOGTAG = "GeckoInputConnection"; + + private static final String CUSTOM_HANDLER_TEST_METHOD = "testInputConnection"; + private static final String CUSTOM_HANDLER_TEST_CLASS = + "org.mozilla.gecko.tests.components.GeckoViewComponent$TextInput"; + + private static final int INLINE_IME_MIN_DISPLAY_SIZE = 480; + + private static Handler sBackgroundHandler; + + // Managed only by notifyIMEContext; see comments in notifyIMEContext + @IMEState private int mIMEState; + private String mIMEActionHint = ""; + private int mLastSelectionStart; + private int mLastSelectionEnd; + + private String mCurrentInputMethod = ""; + + private final GeckoSession mSession; + private final View mView; + private final SessionTextInput.EditableClient mEditableClient; + protected int mBatchEditCount; + private ExtractedTextRequest mUpdateRequest; + private final InputConnection mKeyInputConnection; + private CursorAnchorInfo.Builder mCursorAnchorInfoBuilder; + + public static SessionTextInput.InputConnectionClient create( + final GeckoSession session, + final View targetView, + final SessionTextInput.EditableClient editable) { + SessionTextInput.InputConnectionClient ic = + new GeckoInputConnection(session, targetView, editable); + if (DEBUG) { + ic = wrapForDebug(ic); + } + return ic; + } + + private static SessionTextInput.InputConnectionClient wrapForDebug( + final SessionTextInput.InputConnectionClient ic) { + final InvocationHandler handler = + new InvocationHandler() { + private final StringBuilder mCallLevel = new StringBuilder(); + + @Override + public Object invoke(final Object proxy, final Method method, final Object[] args) + throws Throwable { + final StringBuilder log = new StringBuilder(mCallLevel); + log.append("> ").append(method.getName()).append("("); + if (args != null) { + for (int i = 0; i < args.length; i++) { + final Object arg = args[i]; + // translate argument values to constant names + if ("notifyIME".equals(method.getName()) && i == 0) { + log.append( + GeckoEditable.getConstantName( + SessionTextInput.EditableListener.class, "NOTIFY_IME_", arg)); + } else if ("notifyIMEContext".equals(method.getName()) && i == 0) { + log.append( + GeckoEditable.getConstantName( + SessionTextInput.EditableListener.class, "IME_STATE_", arg)); + } else { + GeckoEditable.debugAppend(log, arg); + } + log.append(", "); + } + if (args.length > 0) { + log.setLength(log.length() - 2); + } + } + log.append(")"); + Log.d(LOGTAG, log.toString()); + + mCallLevel.append(' '); + Object ret = method.invoke(ic, args); + if (ret == ic) { + ret = proxy; + } + mCallLevel.setLength(Math.max(0, mCallLevel.length() - 1)); + + log.setLength(mCallLevel.length()); + log.append("< ").append(method.getName()); + if (!method.getReturnType().equals(Void.TYPE)) { + GeckoEditable.debugAppend(log.append(": "), ret); + } + Log.d(LOGTAG, log.toString()); + return ret; + } + }; + + return (SessionTextInput.InputConnectionClient) + Proxy.newProxyInstance( + GeckoInputConnection.class.getClassLoader(), + new Class<?>[] { + InputConnection.class, + SessionTextInput.InputConnectionClient.class, + SessionTextInput.EditableListener.class + }, + handler); + } + + protected GeckoInputConnection( + final GeckoSession session, + final View targetView, + final SessionTextInput.EditableClient editable) { + super(targetView, true); + mSession = session; + mView = targetView; + mEditableClient = editable; + mIMEState = IME_STATE_DISABLED; + // InputConnection that sends keys for plugins, which don't have full editors + mKeyInputConnection = new BaseInputConnection(targetView, false); + } + + @Override + public synchronized boolean beginBatchEdit() { + mBatchEditCount++; + if (mBatchEditCount == 1) { + mEditableClient.setBatchMode(true); + } + return true; + } + + @Override + public synchronized boolean endBatchEdit() { + if (mBatchEditCount <= 0) { + Log.w(LOGTAG, "endBatchEdit() called, but mBatchEditCount <= 0?!"); + return true; + } + + mBatchEditCount--; + if (mBatchEditCount != 0) { + return true; + } + + // setBatchMode will call onTextChange and/or onSelectionChange for us. + mEditableClient.setBatchMode(false); + return true; + } + + @Override + public Editable getEditable() { + return mEditableClient.getEditable(); + } + + @Override + public boolean performContextMenuAction(final int id) { + final View view = getView(); + final Editable editable = getEditable(); + if (view == null || editable == null) { + return false; + } + final int selStart = Selection.getSelectionStart(editable); + final int selEnd = Selection.getSelectionEnd(editable); + + switch (id) { + case android.R.id.selectAll: + setSelection(0, editable.length()); + break; + case android.R.id.cut: + // If selection is empty, we'll select everything + if (selStart == selEnd) { + // Fill the clipboard + Clipboard.setText(view.getContext(), editable); + editable.clear(); + } else { + Clipboard.setText( + view.getContext(), + editable.subSequence(Math.min(selStart, selEnd), Math.max(selStart, selEnd))); + editable.delete(selStart, selEnd); + } + break; + case android.R.id.paste: + final String text = Clipboard.getText(view.getContext()); + if (text != null) { + commitText(text, 1); + } + break; + case android.R.id.copy: + // Copy the current selection or the empty string if nothing is selected. + final String copiedText = + selStart == selEnd + ? "" + : editable + .toString() + .substring(Math.min(selStart, selEnd), Math.max(selStart, selEnd)); + Clipboard.setText(view.getContext(), copiedText); + break; + } + return true; + } + + @Override + public boolean performEditorAction(final int editorAction) { + if (editorAction == EditorInfo.IME_ACTION_PREVIOUS && !mIMEActionHint.equals("previous")) { + // This action is [Previous] key on FireTV's keyboard. + // [Previous] closes software keyboard, and don't generate any keyboard event. + getView() + .post( + new Runnable() { + @Override + public void run() { + getInputDelegate().hideSoftInput(mSession); + } + }); + return true; + } + return super.performEditorAction(editorAction); + } + + @Override + public ExtractedText getExtractedText(final ExtractedTextRequest req, final int flags) { + if (req == null) return null; + + if ((flags & GET_EXTRACTED_TEXT_MONITOR) != 0) mUpdateRequest = req; + + final Editable editable = getEditable(); + if (editable == null) { + return null; + } + final int selStart = Selection.getSelectionStart(editable); + final int selEnd = Selection.getSelectionEnd(editable); + + final ExtractedText extract = new ExtractedText(); + extract.flags = 0; + extract.partialStartOffset = -1; + extract.partialEndOffset = -1; + extract.selectionStart = selStart; + extract.selectionEnd = selEnd; + extract.startOffset = 0; + if ((req.flags & GET_TEXT_WITH_STYLES) != 0) { + extract.text = new SpannableString(editable); + } else { + extract.text = editable.toString(); + } + return extract; + } + + @Override // SessionTextInput.InputConnectionClient + public View getView() { + return mView; + } + + @NonNull + /* package */ GeckoSession.TextInputDelegate getInputDelegate() { + return mSession.getTextInput().getDelegate(); + } + + @Override // SessionTextInput.EditableListener + public void onTextChange() { + final Editable editable = getEditable(); + if (mUpdateRequest == null || editable == null) { + return; + } + + final ExtractedTextRequest request = mUpdateRequest; + final ExtractedText extractedText = new ExtractedText(); + extractedText.flags = 0; + // Update the entire Editable range + extractedText.partialStartOffset = -1; + extractedText.partialEndOffset = -1; + extractedText.selectionStart = Selection.getSelectionStart(editable); + extractedText.selectionEnd = Selection.getSelectionEnd(editable); + extractedText.startOffset = 0; + if ((request.flags & GET_TEXT_WITH_STYLES) != 0) { + extractedText.text = new SpannableString(editable); + } else { + extractedText.text = editable.toString(); + } + + getView() + .post( + new Runnable() { + @Override + public void run() { + getInputDelegate().updateExtractedText(mSession, request, extractedText); + } + }); + } + + @Override // SessionTextInput.EditableListener + public void onSelectionChange() { + + final Editable editable = getEditable(); + if (editable != null) { + mLastSelectionStart = Selection.getSelectionStart(editable); + mLastSelectionEnd = Selection.getSelectionEnd(editable); + notifySelectionChange(mLastSelectionStart, mLastSelectionEnd); + } + } + + private void notifySelectionChange(final int start, final int end) { + final Editable editable = getEditable(); + if (editable == null) { + return; + } + + final int compositionStart = getComposingSpanStart(editable); + final int compositionEnd = getComposingSpanEnd(editable); + + getView() + .post( + new Runnable() { + @Override + public void run() { + getInputDelegate() + .updateSelection(mSession, start, end, compositionStart, compositionEnd); + } + }); + } + + @Override // SessionTextInput.EditableListener + public void onDiscardComposition() { + final View view = getView(); + if (view == null) { + return; + } + + // InputMethodManager.updateSelection will remove composition + // on most IMEs. But ATOK series do nothing. So we have to + // restart input method to remove composition as workaround. + if (!InputMethods.needsRestartInput(InputMethods.getCurrentInputMethod(view.getContext()))) { + return; + } + + view.post( + new Runnable() { + @Override + public void run() { + getInputDelegate() + .restartInput( + mSession, GeckoSession.TextInputDelegate.RESTART_REASON_CONTENT_CHANGE); + } + }); + } + + @TargetApi(21) + @Override // SessionTextInput.EditableListener + public void updateCompositionRects(final RectF[] rects, final RectF caretRect) { + if (!(Build.VERSION.SDK_INT >= 21)) { + return; + } + + final View view = getView(); + if (view == null) { + return; + } + + final Editable content = getEditable(); + if (content == null) { + return; + } + + final int composingStart = getComposingSpanStart(content); + final int composingEnd = getComposingSpanEnd(content); + if (composingStart < 0 || composingEnd < 0) { + if (DEBUG) { + Log.d(LOGTAG, "No composition for updates"); + } + return; + } + + final CharSequence composition = content.subSequence(composingStart, composingEnd); + + view.post( + new Runnable() { + @Override + public void run() { + updateCompositionRectsOnUi(view, rects, caretRect, composition); + } + }); + } + + @TargetApi(21) + /* package */ void updateCompositionRectsOnUi( + final View view, final RectF[] rects, final RectF caretRect, final CharSequence composition) { + if (mCursorAnchorInfoBuilder == null) { + mCursorAnchorInfoBuilder = new CursorAnchorInfo.Builder(); + } + mCursorAnchorInfoBuilder.reset(); + + final Matrix matrix = new Matrix(); + mSession.getClientToScreenOffsetMatrix(matrix); + mCursorAnchorInfoBuilder.setMatrix(matrix); + + for (int i = 0; i < rects.length; i++) { + mCursorAnchorInfoBuilder.addCharacterBounds( + i, + rects[i].left, + rects[i].top, + rects[i].right, + rects[i].bottom, + CursorAnchorInfo.FLAG_HAS_VISIBLE_REGION); + } + + mCursorAnchorInfoBuilder.setComposingText(0, composition); + + if (!caretRect.isEmpty()) { + // Gecko doesn't provide baseline information of caret. + mCursorAnchorInfoBuilder.setInsertionMarkerLocation( + caretRect.left, + caretRect.top, + caretRect.bottom, + caretRect.bottom, + CursorAnchorInfo.FLAG_HAS_VISIBLE_REGION); + } + + final CursorAnchorInfo info = mCursorAnchorInfoBuilder.build(); + getView() + .post( + new Runnable() { + @Override + public void run() { + getInputDelegate().updateCursorAnchorInfo(mSession, info); + } + }); + } + + @Override + public boolean requestCursorUpdates(final int cursorUpdateMode) { + + if ((cursorUpdateMode & InputConnection.CURSOR_UPDATE_IMMEDIATE) != 0) { + mEditableClient.requestCursorUpdates(SessionTextInput.EditableClient.ONE_SHOT); + } + + if ((cursorUpdateMode & InputConnection.CURSOR_UPDATE_MONITOR) != 0) { + mEditableClient.requestCursorUpdates(SessionTextInput.EditableClient.START_MONITOR); + } else { + mEditableClient.requestCursorUpdates(SessionTextInput.EditableClient.END_MONITOR); + } + return true; + } + + @Override // SessionTextInput.EditableListener + public void onDefaultKeyEvent(final KeyEvent event) { + ThreadUtils.runOnUiThread( + new Runnable() { + @Override + public void run() { + GeckoInputConnection.this.performDefaultKeyAction(event); + } + }); + } + + private static synchronized Handler getBackgroundHandler() { + if (sBackgroundHandler != null) { + return sBackgroundHandler; + } + // Don't use GeckoBackgroundThread because Gecko thread may block waiting on + // GeckoBackgroundThread. If we were to use GeckoBackgroundThread, due to IME, + // GeckoBackgroundThread may end up also block waiting on Gecko thread and a + // deadlock occurs + final Thread backgroundThread = + new Thread( + new Runnable() { + @Override + public void run() { + Looper.prepare(); + synchronized (GeckoInputConnection.class) { + sBackgroundHandler = new Handler(); + GeckoInputConnection.class.notify(); + } + Looper.loop(); + // We should never be exiting the thread loop. + throw new IllegalThreadStateException("unreachable code"); + } + }, + LOGTAG); + backgroundThread.setDaemon(true); + backgroundThread.start(); + while (sBackgroundHandler == null) { + try { + // wait for new thread to set sBackgroundHandler + GeckoInputConnection.class.wait(); + } catch (final InterruptedException e) { + } + } + return sBackgroundHandler; + } + + private synchronized boolean canReturnCustomHandler() { + if (mIMEState == IME_STATE_DISABLED) { + return false; + } + for (final StackTraceElement frame : Thread.currentThread().getStackTrace()) { + // We only return our custom Handler to InputMethodManager's InputConnection + // proxy. For all other purposes, we return the regular Handler. + // InputMethodManager retrieves the Handler for its InputConnection proxy + // inside its method startInputInner(), so we check for that here. This is + // valid from Android 2.2 to at least Android 4.2. If this situation ever + // changes, we gracefully fall back to using the regular Handler. + if ("startInputInner".equals(frame.getMethodName()) + && "android.view.inputmethod.InputMethodManager".equals(frame.getClassName())) { + // Only return our own Handler to InputMethodManager and only prior to 24. + return Build.VERSION.SDK_INT < 24; + } + if (CUSTOM_HANDLER_TEST_METHOD.equals(frame.getMethodName()) + && CUSTOM_HANDLER_TEST_CLASS.equals(frame.getClassName())) { + // InputConnection tests should also run on the custom handler + return true; + } + } + return false; + } + + private boolean isPhysicalKeyboardPresent() { + final View v = getView(); + if (v == null) { + return false; + } + final Configuration config = v.getContext().getResources().getConfiguration(); + return config.keyboard != Configuration.KEYBOARD_NOKEYS; + } + + @Override // InputConnection + public Handler getHandler() { + final Handler handler; + if (isPhysicalKeyboardPresent()) { + handler = ThreadUtils.getUiHandler(); + } else { + handler = getBackgroundHandler(); + } + return mEditableClient.setInputConnectionHandler(handler); + } + + @Override // SessionTextInput.InputConnectionClient + public Handler getHandler(final Handler defHandler) { + if (!canReturnCustomHandler()) { + return defHandler; + } + + return getHandler(); + } + + @Override // InputConnection + public void closeConnection() { + if (mBatchEditCount != 0) { + // GBoard may call this into batch edit mode then it doesn't call endBatchEdit. + // Since we are recycle GeckoInputConnection, we have to reset + // batch count even if IME/keyboard bug. + if (DEBUG) { + Log.d(LOGTAG, "resetting with mBatchEditCount = " + mBatchEditCount); + } + mBatchEditCount = 0; + // setBatchMode will call onTextChange and/or onSelectionChange for us. + mEditableClient.setBatchMode(false); + } + super.closeConnection(); + } + + @Override // SessionTextInput.InputConnectionClient + public synchronized InputConnection onCreateInputConnection(final EditorInfo outAttrs) { + if (mIMEState == IME_STATE_DISABLED) { + return null; + } + + final Context context = getView().getContext(); + final DisplayMetrics metrics = context.getResources().getDisplayMetrics(); + if (Math.min(metrics.widthPixels, metrics.heightPixels) > INLINE_IME_MIN_DISPLAY_SIZE) { + // prevent showing full-screen keyboard only when the screen is tall enough + // to show some reasonable amount of the page (see bug 752709) + outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_EXTRACT_UI | EditorInfo.IME_FLAG_NO_FULLSCREEN; + } + + if (DEBUG) { + Log.d( + LOGTAG, + "mapped IME states to: inputType = " + + Integer.toHexString(outAttrs.inputType) + + ", imeOptions = " + + Integer.toHexString(outAttrs.imeOptions)); + } + + final String prevInputMethod = mCurrentInputMethod; + mCurrentInputMethod = InputMethods.getCurrentInputMethod(context); + if (DEBUG) { + Log.d(LOGTAG, "IME: CurrentInputMethod=" + mCurrentInputMethod); + } + + outAttrs.initialSelStart = mLastSelectionStart; + outAttrs.initialSelEnd = mLastSelectionEnd; + return this; + } + + private boolean replaceComposingSpanWithSelection() { + final Editable content = getEditable(); + if (content == null) { + return false; + } + final int a = getComposingSpanStart(content); + final int b = getComposingSpanEnd(content); + if (a != -1 && b != -1) { + if (DEBUG) { + Log.d(LOGTAG, "removing composition at " + a + "-" + b); + } + removeComposingSpans(content); + Selection.setSelection(content, a, b); + } + return true; + } + + @Override + public boolean commitText(final CharSequence text, final int newCursorPosition) { + if (InputMethods.shouldCommitCharAsKey(mCurrentInputMethod) + && text.length() == 1 + && newCursorPosition > 0) { + if (DEBUG) { + Log.d(LOGTAG, "committing \"" + text + "\" as key"); + } + // mKeyInputConnection is a BaseInputConnection that commits text as keys; + // but we first need to replace any composing span with a selection, + // so that the new key events will generate characters to replace + // text from the old composing span + return replaceComposingSpanWithSelection() + && mKeyInputConnection.commitText(text, newCursorPosition); + } + return super.commitText(text, newCursorPosition); + } + + @Override + public boolean setSelection(final int start, final int end) { + if (start < 0 || end < 0) { + // Some keyboards (e.g. Samsung) can call setSelection with + // negative offsets. In that case we ignore the call, similar to how + // BaseInputConnection.setSelection ignores offsets that go past the length. + return true; + } + return super.setSelection(start, end); + } + + @Override + public boolean sendKeyEvent(final @NonNull KeyEvent event) { + final KeyEvent translatedEvent = translateKey(event.getKeyCode(), event); + mEditableClient.sendKeyEvent(getView(), event.getAction(), translatedEvent); + return false; // seems to always return false + } + + private KeyEvent translateKey(final int keyCode, final @NonNull KeyEvent event) { + switch (keyCode) { + case KeyEvent.KEYCODE_ENTER: + if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 + && mIMEActionHint.equals("maybenext")) { + // XXX It is not good to dispatch tab key for web compatibility. + // See https://github.com/w3c/uievents/issues/253 and bug 1600540. + return new KeyEvent( + event.getDownTime(), + event.getEventTime(), + event.getAction(), + KeyEvent.KEYCODE_TAB, + 0); + } + break; + } + return event; + } + + // Called by OnDefaultKeyEvent handler, up from Gecko + /* package */ void performDefaultKeyAction(final KeyEvent event) { + switch (event.getKeyCode()) { + case KeyEvent.KEYCODE_MUTE: + case KeyEvent.KEYCODE_HEADSETHOOK: + case KeyEvent.KEYCODE_MEDIA_PLAY: + case KeyEvent.KEYCODE_MEDIA_PAUSE: + case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE: + case KeyEvent.KEYCODE_MEDIA_STOP: + case KeyEvent.KEYCODE_MEDIA_NEXT: + case KeyEvent.KEYCODE_MEDIA_PREVIOUS: + case KeyEvent.KEYCODE_MEDIA_REWIND: + case KeyEvent.KEYCODE_MEDIA_RECORD: + case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: + case KeyEvent.KEYCODE_MEDIA_CLOSE: + case KeyEvent.KEYCODE_MEDIA_EJECT: + case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: + // Forward media keypresses to the registered handler so headset controls work + // Does the same thing as Chromium + // https://chromium.googlesource.com/chromium/src/+/49.0.2623.67/chrome/android/java/src/org/chromium/chrome/browser/tab/TabWebContentsDelegateAndroid.java#445 + // These are all the keys dispatchMediaKeyEvent supports. + if (Build.VERSION.SDK_INT >= 19) { + // dispatchMediaKeyEvent is only available on Android 4.4+ + final Context viewContext = getView().getContext(); + final AudioManager am = + (AudioManager) viewContext.getSystemService(Context.AUDIO_SERVICE); + am.dispatchMediaKeyEvent(event); + } + break; + } + } + + @TargetApi(Build.VERSION_CODES.N_MR1) + @Override + public boolean commitContent( + final InputContentInfo inputContentInfo, final int flags, final Bundle opts) { + final boolean requestPermission = + ((flags & InputConnection.INPUT_CONTENT_GRANT_READ_URI_PERMISSION) != 0); + if (requestPermission) { + try { + inputContentInfo.requestPermission(); + } catch (final Exception e) { + Log.e(LOGTAG, "InputContentInfo.requestPermission() failed.", e); + return false; + } + } + + try (final InputStream inputStream = + getView() + .getContext() + .getContentResolver() + .openInputStream(inputContentInfo.getContentUri()); + final ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) { + final byte[] data = new byte[4096]; + int readed; + while ((readed = inputStream.read(data)) != -1) { + outputStream.write(data, 0, readed); + } + mEditableClient.insertImage( + outputStream.toByteArray(), inputContentInfo.getDescription().getMimeType(0)); + } catch (final FileNotFoundException e) { + Log.e(LOGTAG, "Cannot open provider URI.", e); + return false; + } catch (final IOException e) { + Log.e(LOGTAG, "Cannot read/write provider URI.", e); + return false; + } finally { + if (requestPermission) { + inputContentInfo.releasePermission(); + } + } + + return true; + } + + @Override // SessionTextInput.EditableListener + public void notifyIME(final @IMENotificationType int type) { + switch (type) { + case NOTIFY_IME_OF_FOCUS: + // Showing/hiding vkb is done in notifyIMEContext + if (mBatchEditCount != 0) { + Log.w(LOGTAG, "resetting with mBatchEditCount = " + mBatchEditCount); + mBatchEditCount = 0; + } + break; + + case NOTIFY_IME_OF_BLUR: + break; + + case NOTIFY_IME_OF_TOKEN: + case NOTIFY_IME_OPEN_VKB: + case NOTIFY_IME_REPLY_EVENT: + case NOTIFY_IME_TO_CANCEL_COMPOSITION: + case NOTIFY_IME_TO_COMMIT_COMPOSITION: + default: + if (DEBUG) { + throw new IllegalArgumentException("Unexpected NOTIFY_IME=" + type); + } + break; + } + } + + @Override // SessionTextInput.EditableListener + public synchronized void notifyIMEContext( + @IMEState final int state, + final String typeHint, + final String modeHint, + final String actionHint, + @IMEContextFlags final int flags) { + // mIMEState and the mIME*Hint fields should only be changed by notifyIMEContext, + // and not reset anywhere else. Usually, notifyIMEContext is called right after a + // focus or blur, so resetting mIMEState during the focus or blur seems harmless. + // However, this behavior is not guaranteed. Gecko may call notifyIMEContext + // independent of focus change; that is, a focus change may not be accompanied by + // a notifyIMEContext call. So if we reset mIMEState inside focus, there may not + // be another notifyIMEContext call to set mIMEState to a proper value (bug 829318) + /* When IME is 'disabled', IME processing is disabled. + In addition, the IME UI is hidden */ + mIMEState = state; + mIMEActionHint = (actionHint == null) ? "" : actionHint; + + // These fields are reset here and will be updated when restartInput is called below + mUpdateRequest = null; + mCurrentInputMethod = ""; + } +} |