Revert^2 "Add Controller for Emergency Button."

f23acf33ff3684586b7dc66026b518ada77eed84

Change-Id: Id555c35af9a5ed2570504cd6b4e3ca3b5892c340

1 files changed, 196 insertions, 0 deletions

diff --git a/packages/SystemUI/src/com/android/keyguard/EmergencyButtonController.java b/packages/SystemUI/src/com/android/keyguard/EmergencyButtonController.java
new file mode 100644
index 000000000000..4275189cfe26
--- /dev/null
+++ b/packages/SystemUI/src/com/android/keyguard/EmergencyButtonController.java
@@ -0,0 +1,196 @@
+/*
+ * Copyright (C) 2021 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 static com.android.systemui.DejankUtils.whitelistIpcs;
+
+import android.app.ActivityOptions;
+import android.app.ActivityTaskManager;
+import android.content.Intent;
+import android.content.res.Configuration;
+import android.os.PowerManager;
+import android.os.SystemClock;
+import android.os.UserHandle;
+import android.telecom.TelecomManager;
+import android.telephony.TelephonyManager;
+import android.util.Log;
+
+import androidx.annotation.Nullable;
+
+import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.keyguard.dagger.KeyguardBouncerScope;
+import com.android.systemui.statusbar.policy.ConfigurationController;
+import com.android.systemui.statusbar.policy.ConfigurationController.ConfigurationListener;
+import com.android.systemui.util.EmergencyDialerConstants;
+import com.android.systemui.util.ViewController;
+
+import javax.inject.Inject;
+
+/** View Controller for {@link com.android.keyguard.EmergencyButton}. */
+@KeyguardBouncerScope
+public class EmergencyButtonController extends ViewController<EmergencyButton> {
+    static final String LOG_TAG = "EmergencyButton";
+    private final ConfigurationController mConfigurationController;
+    private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
+    private final TelephonyManager mTelephonyManager;
+    private final PowerManager mPowerManager;
+    private final ActivityTaskManager mActivityTaskManager;
+    private final TelecomManager mTelecomManager;
+    private final MetricsLogger mMetricsLogger;
+
+    private EmergencyButtonCallback mEmergencyButtonCallback;
+
+    private final KeyguardUpdateMonitorCallback mInfoCallback =
+            new KeyguardUpdateMonitorCallback() {
+        @Override
+        public void onSimStateChanged(int subId, int slotId, int simState) {
+            updateEmergencyCallButton();
+        }
+
+        @Override
+        public void onPhoneStateChanged(int phoneState) {
+            updateEmergencyCallButton();
+        }
+    };
+
+    private final ConfigurationListener mConfigurationListener = new ConfigurationListener() {
+        @Override
+        public void onConfigChanged(Configuration newConfig) {
+            updateEmergencyCallButton();
+        }
+    };
+
+    private EmergencyButtonController(@Nullable EmergencyButton view,
+            ConfigurationController configurationController,
+            KeyguardUpdateMonitor keyguardUpdateMonitor, TelephonyManager telephonyManager,
+            PowerManager powerManager, ActivityTaskManager activityTaskManager,
+            @Nullable TelecomManager telecomManager, MetricsLogger metricsLogger) {
+        super(view);
+        mConfigurationController = configurationController;
+        mKeyguardUpdateMonitor = keyguardUpdateMonitor;
+        mTelephonyManager = telephonyManager;
+        mPowerManager = powerManager;
+        mActivityTaskManager = activityTaskManager;
+        mTelecomManager = telecomManager;
+        mMetricsLogger = metricsLogger;
+    }
+
+    @Override
+    protected void onInit() {
+        whitelistIpcs(this::updateEmergencyCallButton);
+    }
+
+    @Override
+    protected void onViewAttached() {
+        mKeyguardUpdateMonitor.registerCallback(mInfoCallback);
+        mConfigurationController.addCallback(mConfigurationListener);
+        mView.setOnClickListener(v -> takeEmergencyCallAction());
+    }
+
+    @Override
+    protected void onViewDetached() {
+        mKeyguardUpdateMonitor.removeCallback(mInfoCallback);
+        mConfigurationController.removeCallback(mConfigurationListener);
+    }
+
+    private void updateEmergencyCallButton() {
+        if (mView != null) {
+            mView.updateEmergencyCallButton(
+                    mTelecomManager != null && mTelecomManager.isInCall(),
+                    mTelephonyManager.isVoiceCapable(),
+                    mKeyguardUpdateMonitor.isSimPinVoiceSecure());
+        }
+    }
+
+    public void setEmergencyButtonCallback(EmergencyButtonCallback callback) {
+        mEmergencyButtonCallback = callback;
+    }
+    /**
+     * Shows the emergency dialer or returns the user to the existing call.
+     */
+    public void takeEmergencyCallAction() {
+        mMetricsLogger.action(MetricsEvent.ACTION_EMERGENCY_CALL);
+        if (mPowerManager != null) {
+            mPowerManager.userActivity(SystemClock.uptimeMillis(), true);
+        }
+        mActivityTaskManager.stopSystemLockTaskMode();
+        if (mTelecomManager != null && mTelecomManager.isInCall()) {
+            mTelecomManager.showInCallScreen(false);
+            if (mEmergencyButtonCallback != null) {
+                mEmergencyButtonCallback.onEmergencyButtonClickedWhenInCall();
+            }
+        } else {
+            mKeyguardUpdateMonitor.reportEmergencyCallAction(true /* bypassHandler */);
+            if (mTelecomManager == null) {
+                Log.wtf(LOG_TAG, "TelecomManager was null, cannot launch emergency dialer");
+                return;
+            }
+            Intent emergencyDialIntent =
+                    mTelecomManager.createLaunchEmergencyDialerIntent(null /* number*/)
+                            .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                                    | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
+                                    | Intent.FLAG_ACTIVITY_CLEAR_TOP)
+                            .putExtra(EmergencyDialerConstants.EXTRA_ENTRY_TYPE,
+                                    EmergencyDialerConstants.ENTRY_TYPE_LOCKSCREEN_BUTTON);
+
+            getContext().startActivityAsUser(emergencyDialIntent,
+                    ActivityOptions.makeCustomAnimation(getContext(), 0, 0).toBundle(),
+                    new UserHandle(KeyguardUpdateMonitor.getCurrentUser()));
+        }
+    }
+
+    /** */
+    public interface EmergencyButtonCallback {
+        /** */
+        void onEmergencyButtonClickedWhenInCall();
+    }
+
+    /** Injectable Factory for creating {@link EmergencyButtonController}. */
+    public static class Factory {
+        private final ConfigurationController mConfigurationController;
+        private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
+        private final TelephonyManager mTelephonyManager;
+        private final PowerManager mPowerManager;
+        private final ActivityTaskManager mActivityTaskManager;
+        @Nullable
+        private final TelecomManager mTelecomManager;
+        private final MetricsLogger mMetricsLogger;
+
+        @Inject
+        public Factory(ConfigurationController configurationController,
+                KeyguardUpdateMonitor keyguardUpdateMonitor, TelephonyManager telephonyManager,
+                PowerManager powerManager, ActivityTaskManager activityTaskManager,
+                @Nullable TelecomManager telecomManager, MetricsLogger metricsLogger) {
+
+            mConfigurationController = configurationController;
+            mKeyguardUpdateMonitor = keyguardUpdateMonitor;
+            mTelephonyManager = telephonyManager;
+            mPowerManager = powerManager;
+            mActivityTaskManager = activityTaskManager;
+            mTelecomManager = telecomManager;
+            mMetricsLogger = metricsLogger;
+        }
+
+        /** Construct an {@link com.android.keyguard.EmergencyButtonController}. */
+        public EmergencyButtonController create(EmergencyButton view) {
+            return new EmergencyButtonController(view, mConfigurationController,
+                    mKeyguardUpdateMonitor, mTelephonyManager, mPowerManager, mActivityTaskManager,
+                    mTelecomManager, mMetricsLogger);
+        }
+    }
+}