Merge change 5350 into donut

* changes:
  move ui/Time.cpp to core/jni, since this is the only place it is used

4 files changed, 290 insertions, 1 deletions

diff --git a/core/jni/Android.mk b/core/jni/Android.mk
index 80c2489..b328869 100644
--- a/core/jni/Android.mk
+++ b/core/jni/Android.mk
@@ -19,6 +19,7 @@ LOCAL_SRC_FILES:= \
 	ActivityManager.cpp \
 	AndroidRuntime.cpp \
 	CursorWindow.cpp \
+	Time.cpp \
 	com_google_android_gles_jni_EGLImpl.cpp \
 	com_google_android_gles_jni_GLImpl.cpp.arm \
 	android_opengl_GLES10.cpp \
diff --git a/core/jni/Time.cpp b/core/jni/Time.cpp
new file mode 100644
index 0000000..f3037f3
--- /dev/null
+++ b/core/jni/Time.cpp
@@ -0,0 +1,199 @@
+#include "TimeUtils.h"
+#include <stdio.h>
+#include <cutils/tztime.h>
+
+namespace android {
+
+static void
+dump(const Time& t)
+{
+    #ifdef HAVE_TM_GMTOFF
+        long tm_gmtoff = t.t.tm_gmtoff;
+    #else
+        long tm_gmtoff = 0;
+    #endif
+    printf("%04d-%02d-%02d %02d:%02d:%02d (%d,%ld,%d,%d)\n",
+            t.t.tm_year+1900, t.t.tm_mon+1, t.t.tm_mday,
+            t.t.tm_hour, t.t.tm_min, t.t.tm_sec,
+            t.t.tm_isdst, tm_gmtoff, t.t.tm_wday, t.t.tm_yday);
+}
+
+Time::Time()
+{
+    t.tm_sec = 0;
+    t.tm_min = 0;
+    t.tm_hour = 0;
+    t.tm_mday = 0;
+    t.tm_mon = 0;
+    t.tm_year = 0;
+    t.tm_wday = 0;
+    t.tm_yday = 0;
+    t.tm_isdst = -1; // we don't know, so let the C library determine
+    #ifdef HAVE_TM_GMTOFF
+        t.tm_gmtoff = 0;
+    #endif
+}
+
+
+#define COMPARE_FIELD(field) do { \
+        int diff = a.t.field - b.t.field; \
+        if (diff != 0) return diff; \
+    } while(0)
+
+int
+Time::compare(Time& a, Time& b)
+{
+    if (0 == strcmp(a.timezone, b.timezone)) {
+        // if the timezones are the same, we can easily compare the two
+        // times.  Otherwise, convert to milliseconds and compare that.
+        // This requires that object be normalized.
+        COMPARE_FIELD(tm_year);
+        COMPARE_FIELD(tm_mon);
+        COMPARE_FIELD(tm_mday);
+        COMPARE_FIELD(tm_hour);
+        COMPARE_FIELD(tm_min);
+        COMPARE_FIELD(tm_sec);
+        return 0;
+    } else {
+        int64_t am = a.toMillis(false /* use isDst */);
+        int64_t bm = b.toMillis(false /* use isDst */);
+        int64_t diff = am-bm;
+        return (diff < 0) ? -1 : ((diff > 0) ? 1 : 0);
+    }
+}
+
+static const int DAYS_PER_MONTH[] = {
+                        31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
+                    };
+
+static inline int days_this_month(int year, int month)
+{
+    int n = DAYS_PER_MONTH[month];
+    if (n != 28) {
+        return n;
+    } else {
+        int y = year;
+        return ((y%4)==0&&((y%100)!=0||(y%400)==0)) ? 29 : 28;
+    }
+}
+
+void 
+Time::switchTimezone(const char* timezone)
+{
+    time_t seconds = mktime_tz(&(this->t), this->timezone);
+    localtime_tz(&seconds, &(this->t), timezone);
+}
+
+String8 
+Time::format(const char *format, const struct strftime_locale *locale) const
+{
+    char buf[257];
+    int n = strftime_tz(buf, 257, format, &(this->t), locale);
+    if (n > 0) {
+        return String8(buf);
+    } else {
+        return String8();
+    }
+}
+
+static inline short
+tochar(int n)
+{
+    return (n >= 0 && n <= 9) ? ('0'+n) : ' ';
+}
+
+static inline short
+next_char(int *m, int k)
+{
+    int n = *m / k;
+    *m = *m % k;
+    return tochar(n);
+}
+
+void
+Time::format2445(short* buf, bool hasTime) const
+{
+    int n;
+
+    n = t.tm_year+1900;
+    buf[0] = next_char(&n, 1000);
+    buf[1] = next_char(&n, 100);
+    buf[2] = next_char(&n, 10);
+    buf[3] = tochar(n);
+
+    n = t.tm_mon+1;
+    buf[4] = next_char(&n, 10);
+    buf[5] = tochar(n);
+
+    n = t.tm_mday;
+    buf[6] = next_char(&n, 10);
+    buf[7] = tochar(n);
+
+    if (hasTime) {
+      buf[8] = 'T';
+
+      n = t.tm_hour;
+      buf[9] = next_char(&n, 10);
+      buf[10] = tochar(n);
+      
+      n = t.tm_min;
+      buf[11] = next_char(&n, 10);
+      buf[12] = tochar(n);
+      
+      n = t.tm_sec;
+      buf[13] = next_char(&n, 10);
+      buf[14] = tochar(n);
+      bool inUtc = strcmp("UTC", timezone) == 0;
+      if (inUtc) {
+          buf[15] = 'Z';
+      }
+    }
+}
+
+String8 
+Time::toString() const
+{
+    String8 str;
+    char* s = str.lockBuffer(150);
+    #ifdef HAVE_TM_GMTOFF
+        long tm_gmtoff = t.tm_gmtoff;
+    #else
+        long tm_gmtoff = 0;
+    #endif
+    sprintf(s, "%04d%02d%02dT%02d%02d%02d%s(%d,%d,%ld,%d,%d)", 
+            t.tm_year+1900, t.tm_mon+1, t.tm_mday, t.tm_hour, t.tm_min,
+            t.tm_sec, timezone, t.tm_wday, t.tm_yday, tm_gmtoff, t.tm_isdst,
+            (int)(((Time*)this)->toMillis(false /* use isDst */)/1000));
+    str.unlockBuffer();
+    return str;
+}
+
+void 
+Time::setToNow()
+{
+    time_t seconds;
+    time(&seconds);
+    localtime_tz(&seconds, &(this->t), this->timezone);
+}
+
+int64_t 
+Time::toMillis(bool ignoreDst)
+{
+    if (ignoreDst) {
+        this->t.tm_isdst = -1;
+    }
+    int64_t r = mktime_tz(&(this->t), this->timezone);
+    if (r == -1)
+        return -1;
+    return r * 1000;
+}
+
+void 
+Time::set(int64_t millis)
+{
+    time_t seconds = millis / 1000;
+    localtime_tz(&seconds, &(this->t), this->timezone);
+}
+
+}; // namespace android
+
diff --git a/core/jni/TimeUtils.h b/core/jni/TimeUtils.h
new file mode 100644
index 0000000..b19e021
--- /dev/null
+++ b/core/jni/TimeUtils.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2005 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.
+ */
+
+#ifndef ANDROID_TIME_H
+#define ANDROID_TIME_H
+
+#include <time.h>
+#include <cutils/tztime.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <utils/String8.h>
+#include <utils/String16.h>
+
+namespace android {
+
+/*
+ * This class is the core implementation of the android.util.Time java
+ * class.  It doesn't implement some of the methods that are implemented
+ * in Java.  They could be done here, but it's not expected that this class
+ * will be used.  If that assumption is incorrect, feel free to update this
+ * file.  The reason to do it here is to not mix the implementation of this
+ * class and the jni glue code.
+ */
+class Time
+{
+public:
+    struct tm t;
+
+    // this object doesn't own this string
+    const char *timezone;
+
+    enum {
+        SEC = 1,
+        MIN = 2,
+        HOUR = 3,
+        MDAY = 4,
+        MON = 5,
+        YEAR = 6,
+        WDAY = 7,
+        YDAY = 8
+    };
+
+    static int compare(Time& a, Time& b);
+
+    Time();
+
+    void switchTimezone(const char *timezone);
+    String8 format(const char *format, const struct strftime_locale *locale) const;
+    void format2445(short* buf, bool hasTime) const;
+    String8 toString() const;
+    void setToNow();
+    int64_t toMillis(bool ignoreDst);
+    void set(int64_t millis);
+
+    inline void set(int sec, int min, int hour, int mday, int mon, int year,
+            int isdst)
+    {
+        this->t.tm_sec = sec;
+        this->t.tm_min = min;
+        this->t.tm_hour = hour;
+        this->t.tm_mday = mday;
+        this->t.tm_mon = mon;
+        this->t.tm_year = year;
+        this->t.tm_isdst = isdst;
+#ifdef HAVE_TM_GMTOFF
+        this->t.tm_gmtoff = 0;
+#endif
+        this->t.tm_wday = 0;
+        this->t.tm_yday = 0;
+    }
+};
+
+}; // namespace android
+
+#endif // ANDROID_TIME_H
diff --git a/core/jni/android_text_format_Time.cpp b/core/jni/android_text_format_Time.cpp
index 7c208e9..98f4e03 100644
--- a/core/jni/android_text_format_Time.cpp
+++ b/core/jni/android_text_format_Time.cpp
@@ -23,7 +23,7 @@
 #include "jni.h"
 #include "utils/misc.h"
 #include "android_runtime/AndroidRuntime.h"
-#include <utils/TimeUtils.h>
+#include "TimeUtils.h"
 #include <nativehelper/JNIHelp.h>
 #include <cutils/tztime.h>