| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.keyguard; |
| |
| import android.content.res.Resources; |
| import android.os.UserHandle; |
| import android.text.Editable; |
| import android.text.InputType; |
| import android.text.TextUtils; |
| import android.text.TextWatcher; |
| import android.text.method.TextKeyListener; |
| import android.view.KeyEvent; |
| import android.view.View; |
| import android.view.ViewGroup.MarginLayoutParams; |
| import android.view.inputmethod.EditorInfo; |
| import android.view.inputmethod.InputMethodInfo; |
| import android.view.inputmethod.InputMethodManager; |
| import android.view.inputmethod.InputMethodSubtype; |
| import android.widget.EditText; |
| import android.widget.ImageView; |
| import android.widget.TextView.OnEditorActionListener; |
| |
| import com.android.internal.util.LatencyTracker; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.keyguard.KeyguardSecurityModel.SecurityMode; |
| import com.android.systemui.R; |
| import com.android.systemui.classifier.FalsingCollector; |
| import com.android.systemui.dagger.qualifiers.Main; |
| import com.android.systemui.flags.FeatureFlags; |
| import com.android.systemui.util.concurrency.DelayableExecutor; |
| |
| import java.util.List; |
| |
| public class KeyguardPasswordViewController |
| extends KeyguardAbsKeyInputViewController<KeyguardPasswordView> { |
| |
| private static final int DELAY_MILLIS_TO_REEVALUATE_IME_SWITCH_ICON = 500; // 500ms |
| |
| private final KeyguardSecurityCallback mKeyguardSecurityCallback; |
| private final InputMethodManager mInputMethodManager; |
| private final DelayableExecutor mMainExecutor; |
| private final KeyguardViewController mKeyguardViewController; |
| private final boolean mShowImeAtScreenOn; |
| private EditText mPasswordEntry; |
| private ImageView mSwitchImeButton; |
| private boolean mPaused; |
| |
| private final OnEditorActionListener mOnEditorActionListener = (v, actionId, event) -> { |
| // Check if this was the result of hitting the enter key |
| final boolean isSoftImeEvent = event == null |
| && (actionId == EditorInfo.IME_NULL |
| || actionId == EditorInfo.IME_ACTION_DONE |
| || actionId == EditorInfo.IME_ACTION_NEXT); |
| final boolean isKeyboardEnterKey = event != null |
| && KeyEvent.isConfirmKey(event.getKeyCode()) |
| && event.getAction() == KeyEvent.ACTION_DOWN; |
| if (isSoftImeEvent || isKeyboardEnterKey) { |
| verifyPasswordAndUnlock(); |
| return true; |
| } |
| return false; |
| }; |
| |
| private final TextWatcher mTextWatcher = new TextWatcher() { |
| @Override |
| public void beforeTextChanged(CharSequence s, int start, int count, int after) { |
| mKeyguardSecurityCallback.userActivity(); |
| } |
| |
| @Override |
| public void onTextChanged(CharSequence s, int start, int before, int count) { |
| } |
| |
| @Override |
| public void afterTextChanged(Editable s) { |
| if (!TextUtils.isEmpty(s)) { |
| onUserInput(); |
| } |
| } |
| }; |
| |
| protected KeyguardPasswordViewController(KeyguardPasswordView view, |
| KeyguardUpdateMonitor keyguardUpdateMonitor, |
| SecurityMode securityMode, |
| LockPatternUtils lockPatternUtils, |
| KeyguardSecurityCallback keyguardSecurityCallback, |
| KeyguardMessageAreaController.Factory messageAreaControllerFactory, |
| LatencyTracker latencyTracker, |
| InputMethodManager inputMethodManager, |
| EmergencyButtonController emergencyButtonController, |
| @Main DelayableExecutor mainExecutor, |
| @Main Resources resources, |
| FalsingCollector falsingCollector, |
| KeyguardViewController keyguardViewController, |
| FeatureFlags featureFlags) { |
| super(view, keyguardUpdateMonitor, securityMode, lockPatternUtils, keyguardSecurityCallback, |
| messageAreaControllerFactory, latencyTracker, falsingCollector, |
| emergencyButtonController, featureFlags); |
| mKeyguardSecurityCallback = keyguardSecurityCallback; |
| mInputMethodManager = inputMethodManager; |
| mMainExecutor = mainExecutor; |
| mKeyguardViewController = keyguardViewController; |
| mShowImeAtScreenOn = resources.getBoolean(R.bool.kg_show_ime_at_screen_on); |
| mPasswordEntry = mView.findViewById(mView.getPasswordTextViewId()); |
| mSwitchImeButton = mView.findViewById(R.id.switch_ime_button); |
| } |
| |
| @Override |
| protected void onViewAttached() { |
| super.onViewAttached(); |
| mPasswordEntry.setTextOperationUser(UserHandle.of(KeyguardUpdateMonitor.getCurrentUser())); |
| mPasswordEntry.setKeyListener(TextKeyListener.getInstance()); |
| mPasswordEntry.setInputType(InputType.TYPE_CLASS_TEXT |
| | InputType.TYPE_TEXT_VARIATION_PASSWORD); |
| |
| // Set selected property on so the view can send accessibility events. |
| mPasswordEntry.setSelected(true); |
| mPasswordEntry.setOnEditorActionListener(mOnEditorActionListener); |
| mPasswordEntry.addTextChangedListener(mTextWatcher); |
| // Poke the wakelock any time the text is selected or modified |
| mPasswordEntry.setOnClickListener(v -> mKeyguardSecurityCallback.userActivity()); |
| |
| mSwitchImeButton.setOnClickListener(v -> { |
| mKeyguardSecurityCallback.userActivity(); // Leave the screen on a bit longer |
| // Do not show auxiliary subtypes in password lock screen. |
| mInputMethodManager.showInputMethodPickerFromSystem(false, |
| mView.getContext().getDisplayId()); |
| }); |
| |
| View cancelBtn = mView.findViewById(R.id.cancel_button); |
| if (cancelBtn != null) { |
| cancelBtn.setOnClickListener(view -> { |
| mKeyguardSecurityCallback.reset(); |
| mKeyguardSecurityCallback.onCancelClicked(); |
| }); |
| } |
| |
| // If there's more than one IME, enable the IME switcher button |
| updateSwitchImeButton(); |
| |
| // When we the current user is switching, InputMethodManagerService sometimes has not |
| // switched internal state yet here. As a quick workaround, we check the keyboard state |
| // again. |
| // TODO: Remove this workaround by ensuring such a race condition never happens. |
| mMainExecutor.executeDelayed( |
| this::updateSwitchImeButton, DELAY_MILLIS_TO_REEVALUATE_IME_SWITCH_ICON); |
| } |
| |
| @Override |
| protected void onViewDetached() { |
| super.onViewDetached(); |
| mPasswordEntry.setOnEditorActionListener(null); |
| } |
| |
| @Override |
| public boolean needsInput() { |
| return true; |
| } |
| |
| @Override |
| void resetState() { |
| mPasswordEntry.setTextOperationUser(UserHandle.of(KeyguardUpdateMonitor.getCurrentUser())); |
| mMessageAreaController.setMessage(getInitialMessageResId()); |
| final boolean wasDisabled = mPasswordEntry.isEnabled(); |
| mView.setPasswordEntryEnabled(true); |
| mView.setPasswordEntryInputEnabled(true); |
| // Don't call showSoftInput when PasswordEntry is invisible or in pausing stage. |
| if (!mResumed || !mPasswordEntry.isVisibleToUser()) { |
| return; |
| } |
| if (wasDisabled) { |
| showInput(); |
| } |
| } |
| |
| @Override |
| public void onResume(int reason) { |
| super.onResume(reason); |
| mPaused = false; |
| if (reason != KeyguardSecurityView.SCREEN_ON || mShowImeAtScreenOn) { |
| showInput(); |
| } |
| } |
| |
| private void showInput() { |
| if (!mKeyguardViewController.isBouncerShowing()) { |
| return; |
| } |
| |
| if (mView.isShown()) { |
| mView.showKeyboard(); |
| } |
| } |
| |
| @Override |
| public void onPause() { |
| if (mPaused) { |
| return; |
| } |
| mPaused = true; |
| |
| if (!mPasswordEntry.isVisibleToUser()) { |
| // Reset all states directly and then hide IME when the screen turned off. |
| super.onPause(); |
| } else { |
| // In order not to break the IME hide animation by resetting states too early after |
| // the password checked, make sure resetting states after the IME hiding animation |
| // finished. |
| mView.setOnFinishImeAnimationRunnable(() -> { |
| mPasswordEntry.clearFocus(); |
| super.onPause(); |
| }); |
| } |
| mView.hideKeyboard(); |
| } |
| |
| @Override |
| public void onStartingToHide() { |
| mView.hideKeyboard(); |
| } |
| |
| private void updateSwitchImeButton() { |
| // If there's more than one IME, enable the IME switcher button |
| final boolean wasVisible = mSwitchImeButton.getVisibility() == View.VISIBLE; |
| final boolean shouldBeVisible = hasMultipleEnabledIMEsOrSubtypes( |
| mInputMethodManager, false); |
| if (wasVisible != shouldBeVisible) { |
| mSwitchImeButton.setVisibility(shouldBeVisible ? View.VISIBLE : View.GONE); |
| } |
| |
| // TODO: Check if we still need this hack. |
| // If no icon is visible, reset the start margin on the password field so the text is |
| // still centered. |
| if (mSwitchImeButton.getVisibility() != View.VISIBLE) { |
| android.view.ViewGroup.LayoutParams params = mPasswordEntry.getLayoutParams(); |
| if (params instanceof MarginLayoutParams) { |
| final MarginLayoutParams mlp = (MarginLayoutParams) params; |
| mlp.setMarginStart(0); |
| mPasswordEntry.setLayoutParams(params); |
| } |
| } |
| } |
| |
| /** |
| * Method adapted from com.android.inputmethod.latin.Utils |
| * |
| * @param imm The input method manager |
| * @param shouldIncludeAuxiliarySubtypes |
| * @return true if we have multiple IMEs to choose from |
| */ |
| private boolean hasMultipleEnabledIMEsOrSubtypes(InputMethodManager imm, |
| final boolean shouldIncludeAuxiliarySubtypes) { |
| final List<InputMethodInfo> enabledImis = |
| imm.getEnabledInputMethodListAsUser(KeyguardUpdateMonitor.getCurrentUser()); |
| |
| // Number of the filtered IMEs |
| int filteredImisCount = 0; |
| |
| for (InputMethodInfo imi : enabledImis) { |
| // We can return true immediately after we find two or more filtered IMEs. |
| if (filteredImisCount > 1) return true; |
| final List<InputMethodSubtype> subtypes = |
| imm.getEnabledInputMethodSubtypeList(imi, true); |
| // IMEs that have no subtypes should be counted. |
| if (subtypes.isEmpty()) { |
| ++filteredImisCount; |
| continue; |
| } |
| |
| int auxCount = 0; |
| for (InputMethodSubtype subtype : subtypes) { |
| if (subtype.isAuxiliary()) { |
| ++auxCount; |
| } |
| } |
| final int nonAuxCount = subtypes.size() - auxCount; |
| |
| // IMEs that have one or more non-auxiliary subtypes should be counted. |
| // If shouldIncludeAuxiliarySubtypes is true, IMEs that have two or more auxiliary |
| // subtypes should be counted as well. |
| if (nonAuxCount > 0 || (shouldIncludeAuxiliarySubtypes && auxCount > 1)) { |
| ++filteredImisCount; |
| continue; |
| } |
| } |
| |
| return filteredImisCount > 1 |
| // imm.getEnabledInputMethodSubtypeList(null, false) will return the current IME's |
| //enabled input method subtype (The current IME should be LatinIME.) |
| || imm.getEnabledInputMethodSubtypeList(null, false).size() > 1; |
| } |
| |
| @Override |
| protected int getInitialMessageResId() { |
| return R.string.keyguard_enter_your_password; |
| } |
| } |