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Merge "Fix 5044158: Reduce overall memory footprint of lockscreen"

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This commit is contained in:
Jim Miller
2011-08-29 16:04:10 -07:00
committed by Android (Google) Code Review
parent 82e0c6f3de 4ae8cb9e73
commit f0eb7655ac
1 changed files with 78 additions and 77 deletions
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155
policy/src/com/android/internal/policy/impl/LockPatternKeyguardView.java
View File

@@ -17,6 +17,7 @@
package com.android.internal.policy.impl;
import com.android.internal.R;
import com.android.internal.policy.impl.LockPatternKeyguardView.UnlockMode;
import com.android.internal.telephony.IccCard;
import com.android.internal.widget.LockPatternUtils;
@@ -31,6 +32,7 @@ import android.app.admin.DevicePolicyManager;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.ColorFilter;
@@ -84,6 +86,8 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
private boolean mScreenOn = false;
private boolean mEnableFallback = false; // assume no fallback UI until we know better
private boolean mShowLockBeforeUnlock = false;
/**
* The current {@link KeyguardScreen} will use this to communicate back to us.
*/
@@ -148,7 +152,7 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
* Keeps track of what mode the current unlock screen is (cached from most recent computation in
* {@link #getUnlockMode}).
*/
private UnlockMode mUnlockScreenMode;
private UnlockMode mUnlockScreenMode = UnlockMode.Unknown;
private boolean mForgotPattern;
@@ -164,8 +168,6 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
*/
private final LockPatternUtils mLockPatternUtils;
private UnlockMode mCurrentUnlockMode = UnlockMode.Unknown;
/**
* The current configuration.
*/
@@ -173,7 +175,7 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
private Runnable mRecreateRunnable = new Runnable() {
public void run() {
recreateScreens();
updateScreen(mMode, false);
}
};
@@ -204,16 +206,11 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
mConfiguration = context.getResources().getConfiguration();
mEnableFallback = false;
mRequiresSim =
TextUtils.isEmpty(SystemProperties.get("keyguard.no_require_sim"));
mRequiresSim = TextUtils.isEmpty(SystemProperties.get("keyguard.no_require_sim"));
mUpdateMonitor = updateMonitor;
mLockPatternUtils = lockPatternUtils;
mWindowController = controller;
mMode = getInitialMode();
mKeyguardScreenCallback = new KeyguardScreenCallback() {
public void goToLockScreen() {
@@ -224,7 +221,7 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
mIsVerifyUnlockOnly = false;
getCallback().keyguardDone(false);
} else {
updateScreen(Mode.LockScreen);
updateScreen(Mode.LockScreen, false);
}
}
@@ -240,14 +237,14 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
if (!isSecure()) {
getCallback().keyguardDone(true);
} else {
updateScreen(Mode.UnlockScreen);
updateScreen(Mode.UnlockScreen, false);
}
}
public void forgotPattern(boolean isForgotten) {
if (mEnableFallback) {
mForgotPattern = isForgotten;
updateScreen(Mode.UnlockScreen);
updateScreen(Mode.UnlockScreen, false);
}
}
@@ -260,7 +257,6 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
}
public void recreateMe(Configuration config) {
mConfiguration = config;
removeCallbacks(mRecreateRunnable);
post(mRecreateRunnable);
}
@@ -330,7 +326,7 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
showAlmostAtAccountLoginDialog();
} else if (failedAttempts >= LockPatternUtils.FAILED_ATTEMPTS_BEFORE_RESET) {
mLockPatternUtils.setPermanentlyLocked(true);
updateScreen(mMode);
updateScreen(mMode, false);
}
} else {
final boolean showTimeout =
@@ -358,21 +354,8 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
setFocusableInTouchMode(true);
setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
// create both the lock and unlock screen so they are quickly available
// when the screen turns on
mLockScreen = createLockScreen();
addView(mLockScreen);
final UnlockMode unlockMode = getUnlockMode();
if (DEBUG) Log.d(TAG,
"LockPatternKeyguardView ctor: about to createUnlockScreenFor; mEnableFallback="
+ mEnableFallback);
mUnlockScreen = createUnlockScreenFor(unlockMode);
mUnlockScreenMode = unlockMode;
updateScreen(getInitialMode(), false);
maybeEnableFallback(context);
addView(mUnlockScreen);
updateScreen(mMode);
}
private class AccountAnalyzer implements AccountManagerCallback<Bundle> {
@@ -449,7 +432,7 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
public void reset() {
mIsVerifyUnlockOnly = false;
mForgotPattern = false;
updateScreen(getInitialMode());
updateScreen(getInitialMode(), false);
}
@Override
@@ -457,7 +440,7 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
mScreenOn = false;
mForgotPattern = false;
if (mMode == Mode.LockScreen) {
((KeyguardScreen) mLockScreen).onPause();
((KeyguardScreen) mLockScreen).onPause();
} else {
((KeyguardScreen) mUnlockScreen).onPause();
}
@@ -467,44 +450,40 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
public void onScreenTurnedOn() {
mScreenOn = true;
if (mMode == Mode.LockScreen) {
((KeyguardScreen) mLockScreen).onResume();
((KeyguardScreen) mLockScreen).onResume();
} else {
((KeyguardScreen) mUnlockScreen).onResume();
}
}
private void recreateLockScreen() {
if (mLockScreen.getVisibility() == View.VISIBLE) {
((KeyguardScreen) mLockScreen).onPause();
if (mLockScreen != null) {
if (mLockScreen.getVisibility() == View.VISIBLE) {
((KeyguardScreen) mLockScreen).onPause();
}
((KeyguardScreen) mLockScreen).cleanUp();
removeView(mLockScreen);
}
((KeyguardScreen) mLockScreen).cleanUp();
removeView(mLockScreen);
mLockScreen = createLockScreen();
mLockScreen.setVisibility(View.INVISIBLE);
addView(mLockScreen);
}
private void recreateUnlockScreen() {
if (mUnlockScreen.getVisibility() == View.VISIBLE) {
((KeyguardScreen) mUnlockScreen).onPause();
private void recreateUnlockScreen(UnlockMode unlockMode) {
if (mUnlockScreen != null) {
if (mUnlockScreen.getVisibility() == View.VISIBLE) {
((KeyguardScreen) mUnlockScreen).onPause();
}
((KeyguardScreen) mUnlockScreen).cleanUp();
removeView(mUnlockScreen);
}
((KeyguardScreen) mUnlockScreen).cleanUp();
removeView(mUnlockScreen);
final UnlockMode unlockMode = getUnlockMode();
mUnlockScreen = createUnlockScreenFor(unlockMode);
mUnlockScreen.setVisibility(View.INVISIBLE);
mUnlockScreenMode = unlockMode;
addView(mUnlockScreen);
}
private void recreateScreens() {
recreateLockScreen();
recreateUnlockScreen();
updateScreen(mMode);
}
@Override
protected void onDetachedFromWindow() {
removeCallbacks(mRecreateRunnable);
@@ -523,13 +502,21 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
return super.dispatchHoverEvent(event);
}
protected void onConfigurationChanged(Configuration newConfig) {
Resources resources = getResources();
mShowLockBeforeUnlock = resources.getBoolean(R.bool.config_enableLockBeforeUnlockScreen);
mConfiguration = newConfig;
if (DEBUG_CONFIGURATION) Log.v(TAG, "**** re-creating lock screen since config changed");
updateScreen(mMode, true /* force */);
}
@Override
public void wakeWhenReadyTq(int keyCode) {
if (DEBUG) Log.d(TAG, "onWakeKey");
if (keyCode == KeyEvent.KEYCODE_MENU && isSecure() && (mMode == Mode.LockScreen)
&& (mUpdateMonitor.getSimState() != IccCard.State.PUK_REQUIRED)) {
if (DEBUG) Log.d(TAG, "switching screens to unlock screen because wake key was MENU");
updateScreen(Mode.UnlockScreen);
updateScreen(Mode.UnlockScreen, false);
getCallback().pokeWakelock();
} else {
if (DEBUG) Log.d(TAG, "poking wake lock immediately");
@@ -542,24 +529,31 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
if (!isSecure()) {
// non-secure keyguard screens are successfull by default
getCallback().keyguardDone(true);
} else if (mUnlockScreenMode != UnlockMode.Pattern) {
// can only verify unlock when in pattern mode
} else if (mUnlockScreenMode != UnlockMode.Pattern
&& mUnlockScreenMode != UnlockMode.Password) {
// can only verify unlock when in pattern/password mode
getCallback().keyguardDone(false);
} else {
// otherwise, go to the unlock screen, see if they can verify it
mIsVerifyUnlockOnly = true;
updateScreen(Mode.UnlockScreen);
updateScreen(Mode.UnlockScreen, false);
}
}
@Override
public void cleanUp() {
((KeyguardScreen) mLockScreen).onPause();
((KeyguardScreen) mLockScreen).cleanUp();
this.removeView(mLockScreen);
((KeyguardScreen) mUnlockScreen).onPause();
((KeyguardScreen) mUnlockScreen).cleanUp();
this.removeView(mUnlockScreen);
if (mLockScreen != null) {
((KeyguardScreen) mLockScreen).onPause();
((KeyguardScreen) mLockScreen).cleanUp();
this.removeView(mLockScreen);
mLockScreen = null;
}
if (mUnlockScreen != null) {
((KeyguardScreen) mUnlockScreen).onPause();
((KeyguardScreen) mUnlockScreen).cleanUp();
this.removeView(mUnlockScreen);
mUnlockScreen = null;
}
}
private boolean isSecure() {
@@ -587,19 +581,30 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
return secure;
}
private void updateScreen(final Mode mode) {
private void updateScreen(Mode mode, boolean force) {
if (DEBUG_CONFIGURATION) Log.v(TAG, "**** UPDATE SCREEN: mode=" + mode
+ " last mode=" + mMode, new RuntimeException());
mMode = mode;
// Re-create the unlock screen if necessary. This is primarily required to properly handle
// SIM state changes. This typically happens when this method is called by reset()
if (mode == Mode.UnlockScreen && mCurrentUnlockMode != getUnlockMode()) {
recreateUnlockScreen();
// Re-create the lock screen if necessary
if (mode == Mode.LockScreen || mShowLockBeforeUnlock) {
if (force || mLockScreen == null) {
recreateLockScreen();
}
}
// Re-create the unlock screen if necessary. This is primarily required to properly handle
// SIM state changes. This typically happens when this method is called by reset()
if (mode == Mode.UnlockScreen) {
final UnlockMode unlockMode = getUnlockMode();
if (force || mUnlockScreen == null || unlockMode != mUnlockScreenMode) {
recreateUnlockScreen(unlockMode);
}
}
// visibleScreen should never be null
final View goneScreen = (mode == Mode.LockScreen) ? mUnlockScreen : mLockScreen;
final View visibleScreen = (mode == Mode.LockScreen) ? mLockScreen : mUnlockScreen;
@@ -613,7 +618,7 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
}
if (mScreenOn) {
if (goneScreen.getVisibility() == View.VISIBLE) {
if (goneScreen != null && goneScreen.getVisibility() == View.VISIBLE) {
((KeyguardScreen) goneScreen).onPause();
}
if (visibleScreen.getVisibility() != View.VISIBLE) {
@@ -621,7 +626,9 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
}
}
goneScreen.setVisibility(View.GONE);
if (goneScreen != null) {
goneScreen.setVisibility(View.GONE);
}
visibleScreen.setVisibility(View.VISIBLE);
requestLayout();
@@ -691,7 +698,7 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
// regular pattern unlock UI, regardless of the value of
// mUnlockScreenMode or whether or not we're in the
// "permanently locked" state.)
unlockView = createUnlockScreenFor(UnlockMode.Pattern);
return createUnlockScreenFor(UnlockMode.Pattern);
}
} else if (unlockMode == UnlockMode.Password) {
unlockView = new PasswordUnlockScreen(
@@ -703,7 +710,7 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
} else {
throw new IllegalArgumentException("unknown unlock mode " + unlockMode);
}
mCurrentUnlockMode = unlockMode;
mUnlockScreenMode = unlockMode;
return unlockView;
}
@@ -718,16 +725,10 @@ public class LockPatternKeyguardView extends KeyguardViewBase {
!mLockPatternUtils.isPukUnlockScreenEnable())) {
return Mode.LockScreen;
} else {
// Show LockScreen first for any screen other than Pattern unlock.
final boolean usingLockPattern = mLockPatternUtils.getKeyguardStoredPasswordQuality()
== DevicePolicyManager.PASSWORD_QUALITY_SOMETHING;
boolean showLockBeforeUnlock = getResources()
.getBoolean(R.bool.config_enableLockBeforeUnlockScreen);
if (isSecure() && (usingLockPattern || !showLockBeforeUnlock)) {
return Mode.UnlockScreen;
} else {
if (!isSecure() || mShowLockBeforeUnlock) {
return Mode.LockScreen;
} else {
return Mode.UnlockScreen;
}
}
}