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When auto-brightness is on, you can now adjust its brightness.

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Change-Id: Ie152def12cf7befd9c15a19f9975c207cbb5c541
This commit is contained in:
Dianne Hackborn
2012-01-20 18:37:42 -08:00
parent 8a3703d909
commit 9907f6b274
1 changed files with 62 additions and 38 deletions
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84
src/com/android/settings/BrightnessPreference.java
View File

@@ -45,6 +45,7 @@ public class BrightnessPreference extends SeekBarDialogPreference implements
private int mOldAutomatic;
private boolean mAutomaticAvailable;
private boolean mAutomaticMode;
private boolean mRestoredOldState;
@@ -97,24 +98,23 @@ public class BrightnessPreference extends SeekBarDialogPreference implements
super.onBindDialogView(view);
mSeekBar = getSeekBar(view);
mSeekBar.setMax(MAXIMUM_BACKLIGHT - mScreenBrightnessDim);
mOldBrightness = getBrightness(0);
mSeekBar.setProgress(mOldBrightness - mScreenBrightnessDim);
mSeekBar.setMax(10000);
mOldBrightness = getBrightness();
mSeekBar.setProgress(mOldBrightness);
mCheckBox = (CheckBox)view.findViewById(R.id.automatic_mode);
if (mAutomaticAvailable) {
mCheckBox.setOnCheckedChangeListener(this);
mOldAutomatic = getBrightnessMode(0);
mCheckBox.setChecked(mOldAutomatic != 0);
} else {
mCheckBox.setVisibility(View.GONE);
mAutomaticMode = mOldAutomatic == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
mCheckBox.setChecked(mAutomaticMode);
}
mSeekBar.setOnSeekBarChangeListener(this);
}
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromTouch) {
setBrightness(progress + mScreenBrightnessDim);
setBrightness(progress, false);
}
public void onStartTrackingTouch(SeekBar seekBar) {
@@ -128,19 +128,27 @@ public class BrightnessPreference extends SeekBarDialogPreference implements
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
setMode(isChecked ? Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC
: Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);
if (!isChecked) {
setBrightness(mSeekBar.getProgress() + mScreenBrightnessDim);
}
mSeekBar.setProgress(getBrightness());
}
private int getBrightness(int defaultValue) {
int brightness = defaultValue;
private int getBrightness() {
int mode = getBrightnessMode(0);
float brightness = 0;
try {
if (mode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC) {
brightness = Settings.System.getFloat(getContext().getContentResolver(),
Settings.System.SCREEN_AUTO_BRIGHTNESS_ADJ);
brightness = (brightness+1)/2;
} else {
brightness = Settings.System.getInt(getContext().getContentResolver(),
Settings.System.SCREEN_BRIGHTNESS);
brightness = (MAXIMUM_BACKLIGHT - mScreenBrightnessDim)
/ (brightness - mScreenBrightnessDim);
}
} catch (SettingNotFoundException snfe) {
}
return brightness;
return (int)(brightness*10000);
}
private int getBrightnessMode(int defaultValue) {
@@ -154,13 +162,14 @@ public class BrightnessPreference extends SeekBarDialogPreference implements
}
private void onBrightnessChanged() {
int brightness = getBrightness(MAXIMUM_BACKLIGHT);
mSeekBar.setProgress(brightness - mScreenBrightnessDim);
mSeekBar.setProgress(getBrightness());
}
private void onBrightnessModeChanged() {
boolean checked = getBrightnessMode(0) != 0;
boolean checked = getBrightnessMode(0)
== Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
mCheckBox.setChecked(checked);
mSeekBar.setProgress(getBrightness());
}
@Override
@@ -170,9 +179,7 @@ public class BrightnessPreference extends SeekBarDialogPreference implements
final ContentResolver resolver = getContext().getContentResolver();
if (positiveResult) {
Settings.System.putInt(resolver,
Settings.System.SCREEN_BRIGHTNESS,
mSeekBar.getProgress() + mScreenBrightnessDim);
setBrightness(mSeekBar.getProgress(), true);
} else {
restoreOldState();
}
@@ -187,30 +194,47 @@ public class BrightnessPreference extends SeekBarDialogPreference implements
if (mAutomaticAvailable) {
setMode(mOldAutomatic);
}
if (!mAutomaticAvailable || mOldAutomatic == 0) {
setBrightness(mOldBrightness);
}
setBrightness(mOldBrightness, false);
mRestoredOldState = true;
}
private void setBrightness(int brightness) {
private void setBrightness(int brightness, boolean write) {
if (mAutomaticMode) {
float valf = (((float)brightness*2)/10000) - 1.0f;
try {
IPowerManager power = IPowerManager.Stub.asInterface(
ServiceManager.getService("power"));
if (power != null) {
power.setAutoBrightnessAdjustment(valf);
}
if (write) {
final ContentResolver resolver = getContext().getContentResolver();
Settings.System.putFloat(resolver,
Settings.System.SCREEN_AUTO_BRIGHTNESS_ADJ, valf);
}
} catch (RemoteException doe) {
}
} else {
int range = (MAXIMUM_BACKLIGHT - mScreenBrightnessDim);
brightness = (brightness*range)/10000 + mScreenBrightnessDim;
try {
IPowerManager power = IPowerManager.Stub.asInterface(
ServiceManager.getService("power"));
if (power != null) {
power.setBacklightBrightness(brightness);
}
if (write) {
final ContentResolver resolver = getContext().getContentResolver();
Settings.System.putInt(resolver,
Settings.System.SCREEN_BRIGHTNESS, brightness);
}
} catch (RemoteException doe) {
}
}
}
private void setMode(int mode) {
if (mode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC) {
mSeekBar.setVisibility(View.GONE);
} else {
mSeekBar.setVisibility(View.VISIBLE);
}
mAutomaticMode = mode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
Settings.System.putInt(getContext().getContentResolver(),
Settings.System.SCREEN_BRIGHTNESS_MODE, mode);
}
@@ -245,7 +269,7 @@ public class BrightnessPreference extends SeekBarDialogPreference implements
mOldBrightness = myState.oldProgress;
mOldAutomatic = myState.oldAutomatic ? 1 : 0;
setMode(myState.automatic ? 1 : 0);
setBrightness(myState.progress + mScreenBrightnessDim);
setBrightness(myState.progress, false);
}
private static class SavedState extends BaseSavedState {