Move keyguard source and resources into new package

This is part 1 of two commits.  This commit moves all keyguard
source and resources to a new com.android.keyguard package.
The second part of this change applies an overlay that makes
it work.

Change-Id: I360e9ac7783c6cb289c992733818b9535df185b9

1 files changed, 279 insertions, 0 deletions

diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityViewFlipper.java b/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityViewFlipper.java
new file mode 100644
index 0000000..aa31b00
--- /dev/null
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardSecurityViewFlipper.java
@@ -0,0 +1,279 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.policy.impl.keyguard;
+
+import com.android.internal.R;
+import com.android.internal.widget.LockPatternUtils;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Rect;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewDebug;
+import android.view.ViewGroup;
+import android.view.WindowManager;
+import android.widget.FrameLayout;
+import android.widget.ViewFlipper;
+
+/**
+ * Subclass of the current view flipper that allows us to overload dispatchTouchEvent() so
+ * we can emulate {@link WindowManager.LayoutParams#FLAG_SLIPPERY} within a view hierarchy.
+ *
+ */
+public class KeyguardSecurityViewFlipper extends ViewFlipper implements KeyguardSecurityView {
+    private static final String TAG = "KeyguardSecurityViewFlipper";
+    private static final boolean DEBUG = false;
+
+    private Rect mTempRect = new Rect();
+
+    public KeyguardSecurityViewFlipper(Context context) {
+        this(context, null);
+    }
+
+    public KeyguardSecurityViewFlipper(Context context, AttributeSet attr) {
+        super(context, attr);
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent ev) {
+        boolean result = super.onTouchEvent(ev);
+        mTempRect.set(0, 0, 0, 0);
+        for (int i = 0; i < getChildCount(); i++) {
+            View child = getChildAt(i);
+            if (child.getVisibility() == View.VISIBLE) {
+                offsetRectIntoDescendantCoords(child, mTempRect);
+                ev.offsetLocation(mTempRect.left, mTempRect.top);
+                result = child.dispatchTouchEvent(ev) || result;
+                ev.offsetLocation(-mTempRect.left, -mTempRect.top);
+            }
+        }
+        return result;
+    }
+
+    KeyguardSecurityView getSecurityView() {
+        View child = getChildAt(getDisplayedChild());
+        if (child instanceof KeyguardSecurityView) {
+            return (KeyguardSecurityView) child;
+        }
+        return null;
+    }
+
+    @Override
+    public void setKeyguardCallback(KeyguardSecurityCallback callback) {
+        KeyguardSecurityView ksv = getSecurityView();
+        if (ksv != null) {
+            ksv.setKeyguardCallback(callback);
+        }
+    }
+
+    @Override
+    public void setLockPatternUtils(LockPatternUtils utils) {
+        KeyguardSecurityView ksv = getSecurityView();
+        if (ksv != null) {
+            ksv.setLockPatternUtils(utils);
+        }
+    }
+
+    @Override
+    public void reset() {
+        KeyguardSecurityView ksv = getSecurityView();
+        if (ksv != null) {
+            ksv.reset();
+        }
+    }
+
+    @Override
+    public void onPause() {
+        KeyguardSecurityView ksv = getSecurityView();
+        if (ksv != null) {
+            ksv.onPause();
+        }
+    }
+
+    @Override
+    public void onResume(int reason) {
+        KeyguardSecurityView ksv = getSecurityView();
+        if (ksv != null) {
+            ksv.onResume(reason);
+        }
+    }
+
+    @Override
+    public boolean needsInput() {
+        KeyguardSecurityView ksv = getSecurityView();
+        return (ksv != null) ? ksv.needsInput() : false;
+    }
+
+    @Override
+    public KeyguardSecurityCallback getCallback() {
+        KeyguardSecurityView ksv = getSecurityView();
+        return (ksv != null) ? ksv.getCallback() : null;
+    }
+
+    @Override
+    public void showUsabilityHint() {
+        KeyguardSecurityView ksv = getSecurityView();
+        if (ksv != null) {
+            ksv.showUsabilityHint();
+        }
+    }
+
+    @Override
+    public void showBouncer(int duration) {
+        KeyguardSecurityView active = getSecurityView();
+        for (int i = 0; i < getChildCount(); i++) {
+            View child = getChildAt(i);
+            if (child instanceof KeyguardSecurityView) {
+                KeyguardSecurityView ksv = (KeyguardSecurityView) child;
+                ksv.showBouncer(ksv == active ? duration : 0);
+            }
+        }
+    }
+
+    @Override
+    public void hideBouncer(int duration) {
+        KeyguardSecurityView active = getSecurityView();
+        for (int i = 0; i < getChildCount(); i++) {
+            View child = getChildAt(i);
+            if (child instanceof KeyguardSecurityView) {
+                KeyguardSecurityView ksv = (KeyguardSecurityView) child;
+                ksv.hideBouncer(ksv == active ? duration : 0);
+            }
+        }
+    }
+
+    @Override
+    protected boolean checkLayoutParams(ViewGroup.LayoutParams p) {
+        return p instanceof LayoutParams;
+    }
+
+    @Override
+    protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) {
+        return p instanceof LayoutParams ? new LayoutParams((LayoutParams) p) : new LayoutParams(p);
+    }
+
+    @Override
+    public LayoutParams generateLayoutParams(AttributeSet attrs) {
+        return new LayoutParams(getContext(), attrs);
+    }
+
+    @Override
+    protected void onMeasure(int widthSpec, int heightSpec) {
+        final int widthMode = MeasureSpec.getMode(widthSpec);
+        final int heightMode = MeasureSpec.getMode(heightSpec);
+        if (DEBUG && widthMode != MeasureSpec.AT_MOST) {
+            Log.w(TAG, "onMeasure: widthSpec " + MeasureSpec.toString(widthSpec) +
+                    " should be AT_MOST");
+        }
+        if (DEBUG && heightMode != MeasureSpec.AT_MOST) {
+            Log.w(TAG, "onMeasure: heightSpec " + MeasureSpec.toString(heightSpec) +
+                    " should be AT_MOST");
+        }
+
+        final int widthSize = MeasureSpec.getSize(widthSpec);
+        final int heightSize = MeasureSpec.getSize(heightSpec);
+        int maxWidth = widthSize;
+        int maxHeight = heightSize;
+        final int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            final View child = getChildAt(i);
+            final LayoutParams lp = (LayoutParams) child.getLayoutParams();
+
+            if (lp.maxWidth > 0 && lp.maxWidth < maxWidth) {
+                maxWidth = lp.maxWidth;
+            }
+            if (lp.maxHeight > 0 && lp.maxHeight < maxHeight) {
+                maxHeight = lp.maxHeight;
+            }
+        }
+
+        final int wPadding = getPaddingLeft() + getPaddingRight();
+        final int hPadding = getPaddingTop() + getPaddingBottom();
+        maxWidth -= wPadding;
+        maxHeight -= hPadding;
+
+        int width = widthMode == MeasureSpec.EXACTLY ? widthSize : 0;
+        int height = heightMode == MeasureSpec.EXACTLY ? heightSize : 0;
+        for (int i = 0; i < count; i++) {
+            final View child = getChildAt(i);
+            final LayoutParams lp = (LayoutParams) child.getLayoutParams();
+
+            final int childWidthSpec = makeChildMeasureSpec(maxWidth, lp.width);
+            final int childHeightSpec = makeChildMeasureSpec(maxHeight, lp.height);
+
+            child.measure(childWidthSpec, childHeightSpec);
+
+            width = Math.max(width, Math.min(child.getMeasuredWidth(), widthSize - wPadding));
+            height = Math.max(height, Math.min(child.getMeasuredHeight(), heightSize - hPadding));
+        }
+        setMeasuredDimension(width + wPadding, height + hPadding);
+    }
+
+    private int makeChildMeasureSpec(int maxSize, int childDimen) {
+        final int mode;
+        final int size;
+        switch (childDimen) {
+            case LayoutParams.WRAP_CONTENT:
+                mode = MeasureSpec.AT_MOST;
+                size = maxSize;
+                break;
+            case LayoutParams.MATCH_PARENT:
+                mode = MeasureSpec.EXACTLY;
+                size = maxSize;
+                break;
+            default:
+                mode = MeasureSpec.EXACTLY;
+                size = Math.min(maxSize, childDimen);
+                break;
+        }
+        return MeasureSpec.makeMeasureSpec(size, mode);
+    }
+
+    public static class LayoutParams extends FrameLayout.LayoutParams {
+        @ViewDebug.ExportedProperty(category = "layout")
+        public int maxWidth;
+
+        @ViewDebug.ExportedProperty(category = "layout")
+        public int maxHeight;
+
+        public LayoutParams(ViewGroup.LayoutParams other) {
+            super(other);
+        }
+
+        public LayoutParams(LayoutParams other) {
+            super(other);
+
+            maxWidth = other.maxWidth;
+            maxHeight = other.maxHeight;
+        }
+
+        public LayoutParams(Context c, AttributeSet attrs) {
+            super(c, attrs);
+
+            final TypedArray a = c.obtainStyledAttributes(attrs,
+                    R.styleable.KeyguardSecurityViewFlipper_Layout, 0, 0);
+            maxWidth = a.getDimensionPixelSize(
+                    R.styleable.KeyguardSecurityViewFlipper_Layout_layout_maxWidth, 0);
+            maxHeight = a.getDimensionPixelSize(
+                    R.styleable.KeyguardSecurityViewFlipper_Layout_layout_maxHeight, 0);
+            a.recycle();
+        }
+    }
+}