1 files changed, 282 insertions, 0 deletions
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardStatusView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardStatusView.java
new file mode 100644
index 000000000000..f8f4f2a8b8fc
--- /dev/null
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardStatusView.java
@@ -0,0 +1,282 @@
+/*
+ * Copyright (C) 2012 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.app.ActivityManager;
+import android.app.AlarmManager;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.os.UserHandle;
+import android.text.TextUtils;
+import android.text.format.DateFormat;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.util.Slog;
+import android.util.TypedValue;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.GridLayout;
+import android.widget.TextClock;
+import android.widget.TextView;
+
+import com.android.internal.widget.LockPatternUtils;
+
+import java.util.Locale;
+
+public class KeyguardStatusView extends GridLayout {
+    private static final boolean DEBUG = KeyguardConstants.DEBUG;
+    private static final String TAG = "KeyguardStatusView";
+
+    private final LockPatternUtils mLockPatternUtils;
+    private final AlarmManager mAlarmManager;
+
+    private TextView mAlarmStatusView;
+    private TextClock mDateView;
+    private TextClock mClockView;
+    private TextView mOwnerInfo;
+    private ViewGroup mClockContainer;
+
+    private KeyguardUpdateMonitorCallback mInfoCallback = new KeyguardUpdateMonitorCallback() {
+
+        @Override
+        public void onTimeChanged() {
+            refresh();
+        }
+
+        @Override
+        public void onKeyguardVisibilityChanged(boolean showing) {
+            if (showing) {
+                if (DEBUG) Slog.v(TAG, "refresh statusview showing:" + showing);
+                refresh();
+                updateOwnerInfo();
+            }
+        }
+
+        @Override
+        public void onStartedWakingUp() {
+            setEnableMarquee(true);
+        }
+
+        @Override
+        public void onFinishedGoingToSleep(int why) {
+            setEnableMarquee(false);
+        }
+
+        @Override
+        public void onUserSwitchComplete(int userId) {
+            refresh();
+            updateOwnerInfo();
+        }
+    };
+
+    public KeyguardStatusView(Context context) {
+        this(context, null, 0);
+    }
+
+    public KeyguardStatusView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public KeyguardStatusView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        mAlarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
+        mLockPatternUtils = new LockPatternUtils(getContext());
+    }
+
+    private void setEnableMarquee(boolean enabled) {
+        if (DEBUG) Log.v(TAG, (enabled ? "Enable" : "Disable") + " transport text marquee");
+        if (mAlarmStatusView != null) mAlarmStatusView.setSelected(enabled);
+        if (mOwnerInfo != null) mOwnerInfo.setSelected(enabled);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        mClockContainer = (ViewGroup) findViewById(R.id.keyguard_clock_container);
+        mAlarmStatusView = (TextView) findViewById(R.id.alarm_status);
+        mDateView = (TextClock) findViewById(R.id.date_view);
+        mClockView = (TextClock) findViewById(R.id.clock_view);
+        mDateView.setShowCurrentUserTime(true);
+        mClockView.setShowCurrentUserTime(true);
+        mOwnerInfo = (TextView) findViewById(R.id.owner_info);
+
+        boolean shouldMarquee = KeyguardUpdateMonitor.getInstance(mContext).isDeviceInteractive();
+        setEnableMarquee(shouldMarquee);
+        refresh();
+        updateOwnerInfo();
+
+        // Disable elegant text height because our fancy colon makes the ymin value huge for no
+        // reason.
+        mClockView.setElegantTextHeight(false);
+    }
+
+    @Override
+    protected void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        mClockView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
+                getResources().getDimensionPixelSize(R.dimen.widget_big_font_size));
+        // Some layouts like burmese have a different margin for the clock
+        MarginLayoutParams layoutParams = (MarginLayoutParams) mClockView.getLayoutParams();
+        layoutParams.bottomMargin = getResources().getDimensionPixelSize(
+                R.dimen.bottom_text_spacing_digital);
+        mClockView.setLayoutParams(layoutParams);
+        mDateView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
+                getResources().getDimensionPixelSize(R.dimen.widget_label_font_size));
+        mOwnerInfo.setTextSize(TypedValue.COMPLEX_UNIT_PX,
+                getResources().getDimensionPixelSize(R.dimen.widget_label_font_size));
+    }
+
+    public void refreshTime() {
+        mDateView.setFormat24Hour(Patterns.dateView);
+        mDateView.setFormat12Hour(Patterns.dateView);
+
+        mClockView.setFormat12Hour(Patterns.clockView12);
+        mClockView.setFormat24Hour(Patterns.clockView24);
+    }
+
+    private void refresh() {
+        AlarmManager.AlarmClockInfo nextAlarm =
+                mAlarmManager.getNextAlarmClock(UserHandle.USER_CURRENT);
+        Patterns.update(mContext, nextAlarm != null);
+
+        refreshTime();
+        refreshAlarmStatus(nextAlarm);
+    }
+
+    void refreshAlarmStatus(AlarmManager.AlarmClockInfo nextAlarm) {
+        if (nextAlarm != null) {
+            String alarm = formatNextAlarm(mContext, nextAlarm);
+            mAlarmStatusView.setText(alarm);
+            mAlarmStatusView.setContentDescription(
+                    getResources().getString(R.string.keyguard_accessibility_next_alarm, alarm));
+            mAlarmStatusView.setVisibility(View.VISIBLE);
+        } else {
+            mAlarmStatusView.setVisibility(View.GONE);
+        }
+    }
+
+    public int getClockBottom() {
+        return mClockView.getBottom() +
+                ((MarginLayoutParams) mClockView.getLayoutParams()).bottomMargin;
+    }
+
+    public static String formatNextAlarm(Context context, AlarmManager.AlarmClockInfo info) {
+        if (info == null) {
+            return "";
+        }
+        String skeleton = DateFormat.is24HourFormat(context, ActivityManager.getCurrentUser())
+                ? "EHm"
+                : "Ehma";
+        String pattern = DateFormat.getBestDateTimePattern(Locale.getDefault(), skeleton);
+        return DateFormat.format(pattern, info.getTriggerTime()).toString();
+    }
+
+    private void updateOwnerInfo() {
+        if (mOwnerInfo == null) return;
+        String ownerInfo = getOwnerInfo();
+        if (!TextUtils.isEmpty(ownerInfo)) {
+            mOwnerInfo.setVisibility(View.VISIBLE);
+            mOwnerInfo.setText(ownerInfo);
+        } else {
+            mOwnerInfo.setVisibility(View.GONE);
+        }
+    }
+
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mInfoCallback);
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mInfoCallback);
+    }
+
+    private String getOwnerInfo() {
+        String info = null;
+        if (mLockPatternUtils.isDeviceOwnerInfoEnabled()) {
+            // Use the device owner information set by device policy client via
+            // device policy manager.
+            info = mLockPatternUtils.getDeviceOwnerInfo();
+        } else {
+            // Use the current user owner information if enabled.
+            final boolean ownerInfoEnabled = mLockPatternUtils.isOwnerInfoEnabled(
+                    KeyguardUpdateMonitor.getCurrentUser());
+            if (ownerInfoEnabled) {
+                info = mLockPatternUtils.getOwnerInfo(KeyguardUpdateMonitor.getCurrentUser());
+            }
+        }
+        return info;
+    }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
+
+    // DateFormat.getBestDateTimePattern is extremely expensive, and refresh is called often.
+    // This is an optimization to ensure we only recompute the patterns when the inputs change.
+    private static final class Patterns {
+        static String dateView;
+        static String clockView12;
+        static String clockView24;
+        static String cacheKey;
+
+        static void update(Context context, boolean hasAlarm) {
+            final Locale locale = Locale.getDefault();
+            final Resources res = context.getResources();
+            final String dateViewSkel = res.getString(hasAlarm
+                    ? R.string.abbrev_wday_month_day_no_year_alarm
+                    : R.string.abbrev_wday_month_day_no_year);
+            final String clockView12Skel = res.getString(R.string.clock_12hr_format);
+            final String clockView24Skel = res.getString(R.string.clock_24hr_format);
+            final String key = locale.toString() + dateViewSkel + clockView12Skel + clockView24Skel;
+            if (key.equals(cacheKey)) return;
+
+            dateView = DateFormat.getBestDateTimePattern(locale, dateViewSkel);
+
+            clockView12 = DateFormat.getBestDateTimePattern(locale, clockView12Skel);
+            // CLDR insists on adding an AM/PM indicator even though it wasn't in the skeleton
+            // format.  The following code removes the AM/PM indicator if we didn't want it.
+            if (!clockView12Skel.contains("a")) {
+                clockView12 = clockView12.replaceAll("a", "").trim();
+            }
+
+            clockView24 = DateFormat.getBestDateTimePattern(locale, clockView24Skel);
+
+            // Use fancy colon.
+            clockView24 = clockView24.replace(':', '\uee01');
+            clockView12 = clockView12.replace(':', '\uee01');
+
+            cacheKey = key;
+        }
+    }
+
+    public void setDark(boolean dark) {
+        final int N = mClockContainer.getChildCount();
+        for (int i = 0; i < N; i++) {
+            View child = mClockContainer.getChildAt(i);
+            if (child == mClockView) {
+                continue;
+            }
+            child.setAlpha(dark ? 0 : 1);
+        }
+    }
+}