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Support "seascape" rotation for "landscape-only" apps

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Change-Id: Ibbbd850dc2bfb741b39c04c982fbdd98f3fa4a67
This commit is contained in:
Steve Howard
2010-09-23 16:47:49 -07:00
parent cbb7b05e35
commit a7bfe6ad76
1 changed files with 35 additions and 10 deletions
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45
policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
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@@ -286,7 +286,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {
// (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
int mIncallPowerBehavior;
int mLandscapeRotation = -1;
int mLandscapeRotation = -1; // default landscape rotation
int mSeascapeRotation = -1; // "other" landscape rotation, 180 degrees from mLandscapeRotation
int mPortraitRotation = -1;
// Nothing to see here, move along...
@@ -356,9 +357,12 @@ public class PhoneWindowManager implements WindowManagerPolicy {
return true;
}
// The user preference says we can rotate, and the app is willing to rotate.
// Note we include SCREEN_ORIENTATION_LANDSCAPE since we can use the sensor to choose
// between the two possible landscape rotations.
if (mAccelerometerDefault != 0 &&
(appOrientation == ActivityInfo.SCREEN_ORIENTATION_USER
|| appOrientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED)) {
|| appOrientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
|| appOrientation == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE)) {
return true;
}
// We're in a dock that has a rotation affinity, an the app is willing to rotate.
@@ -367,7 +371,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {
// Note we override the nosensor flag here.
if (appOrientation == ActivityInfo.SCREEN_ORIENTATION_USER
|| appOrientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
|| appOrientation == ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
|| appOrientation == ActivityInfo.SCREEN_ORIENTATION_NOSENSOR
|| appOrientation == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
return true;
}
}
@@ -2053,20 +2058,20 @@ public class PhoneWindowManager implements WindowManagerPolicy {
if (d.getWidth() > d.getHeight()) {
mPortraitRotation = Surface.ROTATION_90;
mLandscapeRotation = Surface.ROTATION_0;
mSeascapeRotation = Surface.ROTATION_180;
} else {
mPortraitRotation = Surface.ROTATION_0;
mLandscapeRotation = Surface.ROTATION_90;
mSeascapeRotation = Surface.ROTATION_270;
}
}
synchronized (mLock) {
switch (orientation) {
case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
//always return landscape if orientation set to landscape
return mLandscapeRotation;
case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
//always return portrait if orientation set to portrait
return mPortraitRotation;
if (orientation == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT) {
//always return portrait if orientation set to portrait
return mPortraitRotation;
} else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
return getCurrentLandscapeRotation(lastRotation);
}
// case for nosensor meaning ignore sensor and consider only lid
// or orientation sensor disabled
@@ -2086,6 +2091,26 @@ public class PhoneWindowManager implements WindowManagerPolicy {
}
}
private int getCurrentLandscapeRotation(int lastRotation) {
// landscape-only apps can take either landscape rotation
if (useSensorForOrientationLp(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE)) {
int sensorRotation = mOrientationListener.getCurrentRotation(lastRotation);
if (isLandscapeOrSeascape(sensorRotation)) {
return sensorRotation;
}
}
// try to preserve the old rotation if it was landscape
if (isLandscapeOrSeascape(lastRotation)) {
return lastRotation;
}
// default to one of the two landscape rotations
return mLandscapeRotation;
}
private boolean isLandscapeOrSeascape(int sensorRotation) {
return sensorRotation == mLandscapeRotation || sensorRotation == mSeascapeRotation;
}
public boolean detectSafeMode() {
try {
int menuState = mWindowManager.getKeycodeState(KeyEvent.KEYCODE_MENU);