diff options
Diffstat (limited to 'java/src/com/android/inputmethod/latin/LatinIME.java')
| -rw-r--r-- | java/src/com/android/inputmethod/latin/LatinIME.java | 241 |
1 files changed, 151 insertions, 90 deletions
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java index e4f39bb18..d57db8e9a 100644 --- a/java/src/com/android/inputmethod/latin/LatinIME.java +++ b/java/src/com/android/inputmethod/latin/LatinIME.java @@ -46,13 +46,14 @@ import android.view.Gravity; import android.view.KeyEvent; import android.view.View; import android.view.ViewGroup.LayoutParams; +import android.view.ViewTreeObserver; import android.view.Window; import android.view.WindowManager; import android.view.inputmethod.CompletionInfo; import android.view.inputmethod.CursorAnchorInfo; import android.view.inputmethod.EditorInfo; -import android.view.inputmethod.InputMethod; import android.view.inputmethod.InputMethodSubtype; +import android.widget.TextView; import com.android.inputmethod.accessibility.AccessibilityUtils; import com.android.inputmethod.annotations.UsedForTesting; @@ -86,6 +87,7 @@ import com.android.inputmethod.latin.suggestions.SuggestionStripViewAccessor; import com.android.inputmethod.latin.utils.ApplicationUtils; import com.android.inputmethod.latin.utils.CapsModeUtils; import com.android.inputmethod.latin.utils.CoordinateUtils; +import com.android.inputmethod.latin.utils.CursorAnchorInfoUtils; import com.android.inputmethod.latin.utils.DialogUtils; import com.android.inputmethod.latin.utils.DistracterFilterCheckingExactMatchesAndSuggestions; import com.android.inputmethod.latin.utils.ImportantNoticeUtils; @@ -152,12 +154,16 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen // TODO: Move these {@link View}s to {@link KeyboardSwitcher}. private View mInputView; private SuggestionStripView mSuggestionStripView; + private TextView mExtractEditText; private RichInputMethodManager mRichImm; @UsedForTesting final KeyboardSwitcher mKeyboardSwitcher; private final SubtypeSwitcher mSubtypeSwitcher; private final SubtypeState mSubtypeState = new SubtypeState(); private final SpecialKeyDetector mSpecialKeyDetector; + // Working variable for {@link #startShowingInputView()} and + // {@link #onEvaluateInputViewShown()}. + private boolean mIsExecutingStartShowingInputView; // Object for reacting to adding/removing a dictionary pack. private final BroadcastReceiver mDictionaryPackInstallReceiver = @@ -182,9 +188,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen private static final int MSG_UPDATE_TAIL_BATCH_INPUT_COMPLETED = 6; private static final int MSG_RESET_CACHES = 7; private static final int MSG_WAIT_FOR_DICTIONARY_LOAD = 8; - private static final int MSG_SHOW_COMMIT_INDICATOR = 9; // Update this when adding new messages - private static final int MSG_LAST = MSG_SHOW_COMMIT_INDICATOR; + private static final int MSG_LAST = MSG_WAIT_FOR_DICTIONARY_LOAD; private static final int ARG1_NOT_GESTURE_INPUT = 0; private static final int ARG1_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT = 1; @@ -195,7 +200,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen private int mDelayInMillisecondsToUpdateSuggestions; private int mDelayInMillisecondsToUpdateShiftState; - private int mDelayInMillisecondsToShowCommitIndicator; public UIHandler(final LatinIME ownerInstance) { super(ownerInstance); @@ -211,8 +215,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen R.integer.config_delay_in_milliseconds_to_update_suggestions); mDelayInMillisecondsToUpdateShiftState = res.getInteger( R.integer.config_delay_in_milliseconds_to_update_shift_state); - mDelayInMillisecondsToShowCommitIndicator = res.getInteger( - R.integer.text_decorator_delay_in_milliseconds_to_show_commit_indicator); } @Override @@ -270,14 +272,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen latinIme.getCurrentRecapitalizeState()); } break; - case MSG_SHOW_COMMIT_INDICATOR: - // Protocol of MSG_SET_COMMIT_INDICATOR_ENABLED: - // - what: MSG_SHOW_COMMIT_INDICATOR - // - arg1: not used. - // - arg2: not used. - // - obj: the Runnable object to be called back. - ((Runnable) msg.obj).run(); - break; case MSG_WAIT_FOR_DICTIONARY_LOAD: Log.i(TAG, "Timeout waiting for dictionary load"); break; @@ -378,19 +372,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen obtainMessage(MSG_UPDATE_TAIL_BATCH_INPUT_COMPLETED, suggestedWords).sendToTarget(); } - /** - * Posts a delayed task to show the commit indicator. - * - * <p>Only one task can exist in the queue. When this method is called, any prior task that - * has not yet fired will be canceled.</p> - * @param task the runnable object that will be fired when the delayed task is dispatched. - */ - public void postShowCommitIndicatorTask(final Runnable task) { - removeMessages(MSG_SHOW_COMMIT_INDICATOR); - sendMessageDelayed(obtainMessage(MSG_SHOW_COMMIT_INDICATOR, task), - mDelayInMillisecondsToShowCommitIndicator); - } - // Working variables for the following methods. private boolean mIsOrientationChanging; private boolean mPendingSuccessiveImsCallback; @@ -713,11 +694,27 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen @Override public void onConfigurationChanged(final Configuration conf) { - final SettingsValues settingsValues = mSettings.getCurrent(); + SettingsValues settingsValues = mSettings.getCurrent(); if (settingsValues.mDisplayOrientation != conf.orientation) { mHandler.startOrientationChanging(); mInputLogic.onOrientationChange(mSettings.getCurrent()); } + if (settingsValues.mHasHardwareKeyboard != Settings.readHasHardwareKeyboard(conf)) { + // If the state of having a hardware keyboard changed, then we want to reload the + // settings to adjust for that. + // TODO: we should probably do this unconditionally here, rather than only when we + // have a change in hardware keyboard configuration. + loadSettings(); + settingsValues = mSettings.getCurrent(); + if (settingsValues.mHasHardwareKeyboard) { + // We call cleanupInternalStateForFinishInput() because it's the right thing to do; + // however, it seems at the moment the framework is passing us a seemingly valid + // but actually non-functional InputConnection object. So if this bug ever gets + // fixed we'll be able to remove the composition, but until it is this code is + // actually not doing much. + cleanupInternalStateForFinishInput(); + } + } // TODO: Remove this test. if (!conf.locale.equals(mPersonalizationDictionaryUpdater.getLocale())) { refreshPersonalizationDictionarySession(settingsValues); @@ -742,6 +739,49 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen } @Override + public void setExtractView(final View view) { + final TextView prevExtractEditText = mExtractEditText; + super.setExtractView(view); + TextView nextExtractEditText = null; + if (view != null) { + final View extractEditText = view.findViewById(android.R.id.inputExtractEditText); + if (extractEditText instanceof TextView) { + nextExtractEditText = (TextView)extractEditText; + } + } + if (prevExtractEditText == nextExtractEditText) { + return; + } + if (ProductionFlags.ENABLE_CURSOR_ANCHOR_INFO_CALLBACK && prevExtractEditText != null) { + prevExtractEditText.getViewTreeObserver().removeOnPreDrawListener( + mExtractTextViewPreDrawListener); + } + mExtractEditText = nextExtractEditText; + if (ProductionFlags.ENABLE_CURSOR_ANCHOR_INFO_CALLBACK && mExtractEditText != null) { + mExtractEditText.getViewTreeObserver().addOnPreDrawListener( + mExtractTextViewPreDrawListener); + } + } + + private final ViewTreeObserver.OnPreDrawListener mExtractTextViewPreDrawListener = + new ViewTreeObserver.OnPreDrawListener() { + @Override + public boolean onPreDraw() { + onExtractTextViewPreDraw(); + return true; + } + }; + + private void onExtractTextViewPreDraw() { + if (!ProductionFlags.ENABLE_CURSOR_ANCHOR_INFO_CALLBACK || !isFullscreenMode() + || mExtractEditText == null) { + return; + } + final CursorAnchorInfo info = CursorAnchorInfoUtils.getCursorAnchorInfo(mExtractEditText); + mInputLogic.onUpdateCursorAnchorInfo(CursorAnchorInfoCompatWrapper.fromObject(info)); + } + + @Override public void setCandidatesView(final View view) { // To ensure that CandidatesView will never be set. return; @@ -843,40 +883,52 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen // Note: This call should be done by InputMethodService? updateFullscreenMode(); - // The app calling setText() has the effect of clearing the composing - // span, so we should reset our state unconditionally, even if restarting is true. - // We also tell the input logic about the combining rules for the current subtype, so - // it can adjust its combiners if needed. - mInputLogic.startInput(mSubtypeSwitcher.getCombiningRulesExtraValueOfCurrentSubtype(), - currentSettingsValues); + // ALERT: settings have not been reloaded and there is a chance they may be stale. + // In the practice, if it is, we should have gotten onConfigurationChanged so it should + // be fine, but this is horribly confusing and must be fixed AS SOON AS POSSIBLE. - // Note: the following does a round-trip IPC on the main thread: be careful - final Locale currentLocale = mSubtypeSwitcher.getCurrentSubtypeLocale(); + // In some cases the input connection has not been reset yet and we can't access it. In + // this case we will need to call loadKeyboard() later, when it's accessible, so that we + // can go into the correct mode, so we need to do some housekeeping here. + final boolean needToCallLoadKeyboardLater; final Suggest suggest = mInputLogic.mSuggest; - if (null != currentLocale && !currentLocale.equals(suggest.getLocale())) { - // TODO: Do this automatically. - resetSuggest(); - } + if (!currentSettingsValues.mHasHardwareKeyboard) { + // The app calling setText() has the effect of clearing the composing + // span, so we should reset our state unconditionally, even if restarting is true. + // We also tell the input logic about the combining rules for the current subtype, so + // it can adjust its combiners if needed. + mInputLogic.startInput(mSubtypeSwitcher.getCombiningRulesExtraValueOfCurrentSubtype(), + currentSettingsValues); + + // Note: the following does a round-trip IPC on the main thread: be careful + final Locale currentLocale = mSubtypeSwitcher.getCurrentSubtypeLocale(); + if (null != currentLocale && !currentLocale.equals(suggest.getLocale())) { + // TODO: Do this automatically. + resetSuggest(); + } - // TODO[IL]: Can the following be moved to InputLogic#startInput? - final boolean canReachInputConnection; - if (!mInputLogic.mConnection.resetCachesUponCursorMoveAndReturnSuccess( - editorInfo.initialSelStart, editorInfo.initialSelEnd, - false /* shouldFinishComposition */)) { - // Sometimes, while rotating, for some reason the framework tells the app we are not - // connected to it and that means we can't refresh the cache. In this case, schedule a - // refresh later. - // We try resetting the caches up to 5 times before giving up. - mHandler.postResetCaches(isDifferentTextField, 5 /* remainingTries */); - // mLastSelection{Start,End} are reset later in this method, don't need to do it here - canReachInputConnection = false; + // TODO[IL]: Can the following be moved to InputLogic#startInput? + if (!mInputLogic.mConnection.resetCachesUponCursorMoveAndReturnSuccess( + editorInfo.initialSelStart, editorInfo.initialSelEnd, + false /* shouldFinishComposition */)) { + // Sometimes, while rotating, for some reason the framework tells the app we are not + // connected to it and that means we can't refresh the cache. In this case, schedule + // a refresh later. + // We try resetting the caches up to 5 times before giving up. + mHandler.postResetCaches(isDifferentTextField, 5 /* remainingTries */); + // mLastSelection{Start,End} are reset later in this method, no need to do it here + needToCallLoadKeyboardLater = true; + } else { + // When rotating, initialSelStart and initialSelEnd sometimes are lying. Make a best + // effort to work around this bug. + mInputLogic.mConnection.tryFixLyingCursorPosition(); + mHandler.postResumeSuggestions(true /* shouldIncludeResumedWordInSuggestions */, + true /* shouldDelay */); + needToCallLoadKeyboardLater = false; + } } else { - // When rotating, initialSelStart and initialSelEnd sometimes are lying. Make a best - // effort to work around this bug. - mInputLogic.mConnection.tryFixLyingCursorPosition(); - mHandler.postResumeSuggestions(true /* shouldIncludeResumedWordInSuggestions */, - true /* shouldDelay */); - canReachInputConnection = true; + // If we have a hardware keyboard we don't need to call loadKeyboard later anyway. + needToCallLoadKeyboardLater = false; } if (isDifferentTextField || @@ -894,9 +946,9 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen switcher.loadKeyboard(editorInfo, currentSettingsValues, getCurrentAutoCapsState(), getCurrentRecapitalizeState()); - if (!canReachInputConnection) { - // If we can't reach the input connection, we will call loadKeyboard again later, - // so we need to save its state now. The call will be done in #retryResetCaches. + if (needToCallLoadKeyboardLater) { + // If we need to call loadKeyboard again later, we need to save its state now. The + // later call will be done in #retryResetCaches. switcher.saveKeyboardState(); } } else if (restarting) { @@ -953,6 +1005,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen private void onFinishInputViewInternal(final boolean finishingInput) { super.onFinishInputView(finishingInput); + cleanupInternalStateForFinishInput(); + } + + private void cleanupInternalStateForFinishInput() { mKeyboardSwitcher.deallocateMemory(); // Remove pending messages related to update suggestions mHandler.cancelUpdateSuggestionStrip(); @@ -972,13 +1028,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen + ", cs=" + composingSpanStart + ", ce=" + composingSpanEnd); } - // If the keyboard is not visible, we don't need to do all the housekeeping work, as it - // will be reset when the keyboard shows up anyway. - // TODO: revisit this when LatinIME supports hardware keyboards. - // NOTE: the test harness subclasses LatinIME and overrides isInputViewShown(). - // TODO: find a better way to simulate actual execution. - if (isInputViewShown() && - mInputLogic.onUpdateSelection(oldSelStart, oldSelEnd, newSelStart, newSelEnd)) { + // This call happens when we have a hardware keyboard as well as when we don't. While we + // don't support hardware keyboards yet we should avoid doing the processing associated + // with cursor movement when we have a hardware keyboard since we are not in charge. + final SettingsValues settingsValues = mSettings.getCurrent(); + if ((!settingsValues.mHasHardwareKeyboard || ProductionFlags.IS_HARDWARE_KEYBOARD_SUPPORTED) + && mInputLogic.onUpdateSelection(oldSelStart, oldSelEnd, newSelStart, newSelEnd, + settingsValues)) { mKeyboardSwitcher.requestUpdatingShiftState(getCurrentAutoCapsState(), getCurrentRecapitalizeState()); } @@ -987,9 +1043,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen // We cannot mark this method as @Override until new SDK becomes publicly available. // @Override public void onUpdateCursorAnchorInfo(final CursorAnchorInfo info) { - if (ProductionFlags.ENABLE_CURSOR_ANCHOR_INFO_CALLBACK) { - mInputLogic.onUpdateCursorAnchorInfo(CursorAnchorInfoCompatWrapper.fromObject(info)); + if (!ProductionFlags.ENABLE_CURSOR_ANCHOR_INFO_CALLBACK || isFullscreenMode()) { + return; } + mInputLogic.onUpdateCursorAnchorInfo(CursorAnchorInfoCompatWrapper.fromObject(info)); } /** @@ -1108,22 +1165,24 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen outInsets.visibleTopInsets = visibleTopY; } - @Override - public boolean onEvaluateInputViewShown() { - // Always show {@link InputView}. - return true; + public void startShowingInputView() { + mIsExecutingStartShowingInputView = true; + // This {@link #showWindow(boolean)} will eventually call back + // {@link #onEvaluateInputViewShown()}. + showWindow(true /* showInput */); + mIsExecutingStartShowingInputView = false; + } + + public void stopShowingInputView() { + showWindow(false /* showInput */); } @Override - public boolean onShowInputRequested(final int flags, final boolean configChange) { - final SettingsValues settingsValues = mSettings.getCurrent(); - if ((flags & InputMethod.SHOW_EXPLICIT) == 0 && settingsValues.mHasHardwareKeyboard) { - // Even when IME is implicitly shown and physical keyboard is connected, we should - // show {@link InputView}. - // See {@link InputMethodService#onShowInputRequested(int,boolean)}. + public boolean onEvaluateInputViewShown() { + if (mIsExecutingStartShowingInputView) { return true; } - return super.onShowInputRequested(flags, configChange); + return super.onEvaluateInputViewShown(); } @Override @@ -1142,9 +1201,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen // hack for now. Let's get rid of this once the framework gets fixed. final EditorInfo ei = getCurrentInputEditorInfo(); return !(ei != null && ((ei.imeOptions & EditorInfo.IME_FLAG_NO_EXTRACT_UI) != 0)); - } else { - return false; } + return false; } @Override @@ -1194,9 +1252,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen if (null == keyboard) { return CoordinateUtils.newCoordinateArray(codePoints.length, Constants.NOT_A_COORDINATE, Constants.NOT_A_COORDINATE); - } else { - return keyboard.getCoordinates(codePoints); } + return keyboard.getCoordinates(codePoints); } // Callback for the {@link SuggestionStripView}, to call when the "add to dictionary" hint is @@ -1432,19 +1489,23 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen final boolean isEmptyApplicationSpecifiedCompletions = currentSettingsValues.isApplicationSpecifiedCompletionsOn() && suggestedWords.isEmpty(); - final boolean noSuggestionsToShow = (SuggestedWords.EMPTY == suggestedWords) + final boolean noSuggestionsFromDictionaries = (SuggestedWords.EMPTY == suggestedWords) || suggestedWords.isPunctuationSuggestions() || isEmptyApplicationSpecifiedCompletions; - if (shouldShowImportantNotice && noSuggestionsToShow) { + final boolean isBeginningOfSentencePrediction = (suggestedWords.mInputStyle + == SuggestedWords.INPUT_STYLE_BEGINNING_OF_SENTENCE_PREDICTION); + final boolean noSuggestionsToOverrideImportantNotice = noSuggestionsFromDictionaries + || isBeginningOfSentencePrediction; + if (shouldShowImportantNotice && noSuggestionsToOverrideImportantNotice) { if (mSuggestionStripView.maybeShowImportantNoticeTitle()) { return; } } if (currentSettingsValues.isSuggestionsEnabledPerUserSettings() - // We should clear suggestions if there is no suggestion to show. - || noSuggestionsToShow - || currentSettingsValues.isApplicationSpecifiedCompletionsOn()) { + || currentSettingsValues.isApplicationSpecifiedCompletionsOn() + // We should clear the contextual strip if there is no suggestion from dictionaries. + || noSuggestionsFromDictionaries) { mSuggestionStripView.setSuggestions(suggestedWords, SubtypeLocaleUtils.isRtlLanguage(mSubtypeSwitcher.getCurrentSubtype())); } |