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Commit 06598bed authored by Winson Chung's avatar Winson Chung
Browse files

Saving and restoring current page when rotating in lockscreen. (Bug 7568412) 

Change-Id: Ia80845d05df04dc2d31a834279096e5ed165a646
parent 38e84700

policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java

+22 −1
Original line number Diff line number Diff line
@@ -79,6 +79,7 @@ public class KeyguardHostView extends KeyguardViewBase { 
    private boolean mEnableFallback; // TODO: This should get the value from KeyguardPatternView

    private SecurityMode mCurrentSecuritySelection = SecurityMode.Invalid;

    private int mAppWidgetToShow;

    private int mPreviousWidgetPage = -1;



    private boolean mCheckAppWidgetConsistencyOnBootCompleted = false;

    private boolean mCleanupAppWidgetsOnBootCompleted = false;
@@ -894,6 +895,7 @@ public class KeyguardHostView extends KeyguardViewBase { 


    public void clearAppWidgetToShow() {

        mAppWidgetToShow = AppWidgetManager.INVALID_APPWIDGET_ID;

        mPreviousWidgetPage = -1;

    }



    @Override
@@ -1281,10 +1283,22 @@ public class KeyguardHostView extends KeyguardViewBase { 
           showAppropriateWidgetPage();

        }

    };

    Runnable mOnRestoreUpdatePageRunnable = new Runnable() {

        @Override

        public void run() {

            mSwitchPageRunnable.run();



            // We need to update the alpha's of the hints and content after setting the current page

            mViewStateManager.showUsabilityHints();

        };

    };





    static class SavedState extends BaseSavedState {

        int transportState;

        int appWidgetToShow = AppWidgetManager.INVALID_APPWIDGET_ID;

        // Note the appWidgetContainerPage is only used if the appWidgetToShow is invalid

        int appWidgetContainerPage = -1;



        SavedState(Parcelable superState) {

            super(superState);
@@ -1294,6 +1308,7 @@ public class KeyguardHostView extends KeyguardViewBase { 
            super(in);

            this.transportState = in.readInt();

            this.appWidgetToShow = in.readInt();

            this.appWidgetContainerPage = in.readInt();

        }



        @Override
@@ -1301,6 +1316,7 @@ public class KeyguardHostView extends KeyguardViewBase { 
            super.writeToParcel(out, flags);

            out.writeInt(this.transportState);

            out.writeInt(this.appWidgetToShow);

            out.writeInt(this.appWidgetContainerPage);

        }



        public static final Parcelable.Creator<SavedState> CREATOR
@@ -1322,6 +1338,7 @@ public class KeyguardHostView extends KeyguardViewBase { 
        SavedState ss = new SavedState(superState);

        ss.transportState = mViewStateManager.getTransportState();

        ss.appWidgetToShow = mAppWidgetToShow;

        ss.appWidgetContainerPage = mAppWidgetContainer.getCurrentPage();

        return ss;

    }
@@ -1336,7 +1353,8 @@ public class KeyguardHostView extends KeyguardViewBase { 
        super.onRestoreInstanceState(ss.getSuperState());

        mViewStateManager.setTransportState(ss.transportState);

        mAppWidgetToShow = ss.appWidgetToShow;

        post(mSwitchPageRunnable);

        mPreviousWidgetPage = ss.appWidgetContainerPage;

        post(mOnRestoreUpdatePageRunnable);

    }



    @Override
@@ -1393,6 +1411,9 @@ public class KeyguardHostView extends KeyguardViewBase { 
            }

            mAppWidgetToShow = AppWidgetManager.INVALID_APPWIDGET_ID;

        }

        if (mPreviousWidgetPage > -1) {

            return mPreviousWidgetPage;

        }

        // if music playing, show transport

        if (isMusicPlaying) {

            if (DEBUG) Log.d(TAG, "Music playing, show transport");