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Bug 700263 - Add remainingTime support to android backend. r=cjones

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This commit is contained in:
Mounir Lamouri 2011-11-09 15:13:37 +01:00
parent a9f20cde94
commit 504b2c1700
5 changed files with 70 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
embedding/android/GeckoAppShell.java
View File

@ -114,7 +114,7 @@ public class GeckoAppShell
public static native void processNextNativeEvent();
public static native void notifyBatteryChange(double aLevel, boolean aCharging);
public static native void notifyBatteryChange(double aLevel, boolean aCharging, double aRemainingTime);
// A looper thread, accessed by GeckoAppShell.getHandler
private static class LooperThread extends Thread {

65
embedding/android/GeckoBatteryManager.java
View File

@ -38,6 +38,7 @@
package org.mozilla.gecko;
import java.lang.Math;
import java.util.Date;
import android.util.Log;
@ -52,12 +53,15 @@ public class GeckoBatteryManager
{
// Those constants should be keep in sync with the ones in:
// dom/battery/Constants.h
private final static double kDefaultLevel = 1.0;
private final static boolean kDefaultCharging = true;
private final static double kDefaultLevel = 1.0;
private final static boolean kDefaultCharging = true;
private final static double kUnknownRemainingTime = -1.0;
private static boolean sNotificationsEnabled = false;
private static double sLevel = kDefaultLevel;
private static boolean sCharging = kDefaultCharging;
private static Date sLastLevelChange = new Date(0);
private static boolean sNotificationsEnabled = false;
private static double sLevel = kDefaultLevel;
private static boolean sCharging = kDefaultCharging;
private static double sRemainingTime = kUnknownRemainingTime;;
@Override
public void onReceive(Context context, Intent intent) {
@ -80,6 +84,13 @@ public class GeckoBatteryManager
sCharging = plugged != 0;
}
if (sCharging != previousCharging) {
sRemainingTime = kUnknownRemainingTime;
// The new remaining time is going to take some time to show up but
// it's the best way to show a not too wrong value.
sLastLevelChange = new Date(0);
}
// We need two doubles because sLevel is a double.
double current = (double)intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
double max = (double)intent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
@ -89,9 +100,42 @@ public class GeckoBatteryManager
} else {
sLevel = current / max;
}
if (sLevel == 1.0 && sCharging) {
sRemainingTime = 0.0;
} else if (sLevel != previousLevel) {
// Estimate remaining time.
if (sLastLevelChange.getTime() != 0) {
Date currentTime = new Date();
long dt = (currentTime.getTime() - sLastLevelChange.getTime()) / 1000;
double dLevel = sLevel - previousLevel;
if (sCharging) {
if (dLevel < 0) {
Log.w("GeckoBatteryManager", "When charging, level should increase!");
sRemainingTime = kUnknownRemainingTime;
} else {
sRemainingTime = Math.round(dt / dLevel * (1.0 - sLevel));
}
} else {
if (dLevel > 0) {
Log.w("GeckoBatteryManager", "When discharging, level should decrease!");
sRemainingTime = kUnknownRemainingTime;
} else {
sRemainingTime = Math.round(dt / -dLevel * sLevel);
}
}
sLastLevelChange = currentTime;
} else {
// That's the first time we got an update, we can't do anything.
sLastLevelChange = new Date();
}
}
} else {
sLevel = kDefaultLevel;
sCharging = kDefaultCharging;
sRemainingTime = kUnknownRemainingTime;
}
/*
@ -99,12 +143,15 @@ public class GeckoBatteryManager
* - we have at least one observer;
* - the charging state or the level has changed.
*
* Note: no need to check for a remaining time change given that it's only
* updated if there is a level change or a charging change.
*
* The idea is to prevent doing all the way to the DOM code in the child
* process to finally not send an event.
*/
if (sNotificationsEnabled &&
(previousCharging != isCharging() || previousLevel != getLevel())) {
GeckoAppShell.notifyBatteryChange(getLevel(), isCharging());
GeckoAppShell.notifyBatteryChange(getLevel(), isCharging(), getRemainingTime());
}
}
@ -116,6 +163,10 @@ public class GeckoBatteryManager
return sLevel;
}
public static double getRemainingTime() {
return sRemainingTime;
}
public static void enableNotifications() {
sNotificationsEnabled = true;
}
@ -125,6 +176,6 @@ public class GeckoBatteryManager
}
public static double[] getCurrentInformation() {
return new double[] { getLevel(), isCharging() ? 1.0 : 0.0 };
return new double[] { getLevel(), isCharging() ? 1.0 : 0.0, getRemainingTime() };
}
}

2
other-licenses/android/APKOpen.cpp
View File

@ -241,7 +241,7 @@ SHELL_WRAPPER1(onChangeNetworkLinkStatus, jstring)
SHELL_WRAPPER1(reportJavaCrash, jstring)
SHELL_WRAPPER0(executeNextRunnable)
SHELL_WRAPPER1(cameraCallbackBridge, jbyteArray)
SHELL_WRAPPER2(notifyBatteryChange, jdouble, jboolean);
SHELL_WRAPPER3(notifyBatteryChange, jdouble, jboolean, jdouble);
static void * xul_handle = NULL;
static time_t apk_mtime = 0;

5
widget/src/android/AndroidBridge.cpp
View File

@ -1254,7 +1254,7 @@ AndroidBridge::GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInf
// an array of double even if we actually want a double and a boolean.
jobject obj = mJNIEnv->CallStaticObjectMethod(mGeckoAppShellClass, jGetCurrentBatteryInformation);
jdoubleArray arr = static_cast<jdoubleArray>(obj);
if (!arr || mJNIEnv->GetArrayLength(arr) != 2) {
if (!arr || mJNIEnv->GetArrayLength(arr) != 3) {
return;
}
@ -1262,8 +1262,7 @@ AndroidBridge::GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInf
aBatteryInfo->level() = info[0];
aBatteryInfo->charging() = info[1] == 1.0f;
// TODO: this is temporary until the Android backend handles this property.
aBatteryInfo->remainingTime() = -1.0f;
aBatteryInfo->remainingTime() = info[2];
mJNIEnv->ReleaseDoubleArrayElements(arr, info, 0);
}

15
widget/src/android/AndroidJNI.cpp
View File

@ -74,7 +74,7 @@ extern "C" {
NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_onChangeNetworkLinkStatus(JNIEnv *, jclass, jstring status);
NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_reportJavaCrash(JNIEnv *, jclass, jstring stack);
NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_executeNextRunnable(JNIEnv *, jclass);
NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_notifyBatteryChange(JNIEnv* jenv, jclass, jdouble, jboolean);
NS_EXPORT void JNICALL Java_org_mozilla_gecko_GeckoAppShell_notifyBatteryChange(JNIEnv* jenv, jclass, jdouble, jboolean, jdouble);
}
@ -192,28 +192,29 @@ Java_org_mozilla_gecko_GeckoAppShell_executeNextRunnable(JNIEnv *, jclass)
NS_EXPORT void JNICALL
Java_org_mozilla_gecko_GeckoAppShell_notifyBatteryChange(JNIEnv* jenv, jclass,
jdouble aLevel,
jboolean aCharging)
jboolean aCharging,
jdouble aRemainingTime)
{
class NotifyBatteryChangeRunnable : public nsRunnable {
public:
NotifyBatteryChangeRunnable(double aLevel, bool aCharging)
NotifyBatteryChangeRunnable(double aLevel, bool aCharging, double aRemainingTime)
: mLevel(aLevel)
, mCharging(aCharging)
, mRemainingTime(aRemainingTime)
{}
NS_IMETHODIMP Run() {
// TODO: -1 is temporary until the Android backend handles the
// remainingTime proporty.
hal::NotifyBatteryChange(hal::BatteryInformation(mLevel, mCharging, -1.0));
hal::NotifyBatteryChange(hal::BatteryInformation(mLevel, mCharging, mRemainingTime));
return NS_OK;
}
private:
double mLevel;
bool mCharging;
double mRemainingTime;
};
nsCOMPtr<nsIRunnable> runnable = new NotifyBatteryChangeRunnable(aLevel, aCharging);
nsCOMPtr<nsIRunnable> runnable = new NotifyBatteryChangeRunnable(aLevel, aCharging, aRemainingTime);
NS_DispatchToMainThread(runnable);
}