am 0f4d5df5: Merge "View\'s visibility to the user not checking predecessor alpha." into jb-mr1-dev

* commit '0f4d5df5d815466398dba5f2d07aa98f18c35aaa':
  View's visibility to the user not checking predecessor alpha.
diff --git a/core/res/res/layout/keyguard_widget_remove_drop_target.xml b/core/res/res/layout/keyguard_widget_remove_drop_target.xml
index c4fe9e0..f9f40ab 100644
--- a/core/res/res/layout/keyguard_widget_remove_drop_target.xml
+++ b/core/res/res/layout/keyguard_widget_remove_drop_target.xml
@@ -24,9 +24,10 @@
     android:paddingRight="40dp"
     android:drawableLeft="@drawable/kg_widget_delete_drop_target"
     android:drawablePadding="4dp"
+    android:text="@string/kg_reordering_delete_drop_target_text"
     android:textColor="#FFF"
     android:textSize="13sp"
     android:shadowColor="#000"
     android:shadowDy="1.0"
     android:shadowRadius="1.0"
-    android:visibility="gone" />
\ No newline at end of file
+    android:visibility="gone" />
diff --git a/core/res/res/values-land/bools.xml b/core/res/res/values-land/bools.xml
index 85c64d9..a1dd2e4 100644
--- a/core/res/res/values-land/bools.xml
+++ b/core/res/res/values-land/bools.xml
@@ -16,6 +16,7 @@
 
 <resources>
     <bool name="kg_enable_camera_default_widget">false</bool>
+    <bool name="kg_top_align_page_shrink_on_bouncer_visible">true</bool>
     <bool name="kg_share_status_area">false</bool>
     <bool name="kg_sim_puk_account_full_screen">false</bool>
 </resources>
diff --git a/core/res/res/values-sw600dp/bools.xml b/core/res/res/values-sw600dp/bools.xml
index eae4f87..00f45c1 100644
--- a/core/res/res/values-sw600dp/bools.xml
+++ b/core/res/res/values-sw600dp/bools.xml
@@ -21,4 +21,6 @@
     <bool name="kg_sim_puk_account_full_screen">false</bool>
     <!-- No camera for you, tablet user -->
     <bool name="kg_enable_camera_default_widget">false</bool>
+    <bool name="kg_center_small_widgets_vertically">true</bool>
+    <bool name="kg_top_align_page_shrink_on_bouncer_visible">false</bool>
 </resources>
diff --git a/core/res/res/values/bools.xml b/core/res/res/values/bools.xml
index d4ead01..457131a 100644
--- a/core/res/res/values/bools.xml
+++ b/core/res/res/values/bools.xml
@@ -16,6 +16,8 @@
 
 <resources>
     <bool name="kg_enable_camera_default_widget">true</bool>
+    <bool name="kg_center_small_widgets_vertically">false</bool>
+    <bool name="kg_top_align_page_shrink_on_bouncer_visible">true</bool>
     <bool name="action_bar_embed_tabs">true</bool>
     <bool name="action_bar_embed_tabs_pre_jb">false</bool>
     <bool name="split_action_bar_is_narrow">true</bool>
diff --git a/core/res/res/values/dimens.xml b/core/res/res/values/dimens.xml
index 3a24cc1..b8ec138 100644
--- a/core/res/res/values/dimens.xml
+++ b/core/res/res/values/dimens.xml
@@ -335,4 +335,9 @@
     due to the appearance of the IME), then drop the multiuser selector. -->
     <dimen name="kg_squashed_layout_threshold">600dp</dimen>
 
+    <!-- The height of widgets which do not support vertical resizing. This is only
+    used on tablets; on phones, this size is determined by the space left by the
+    security mode. -->
+    <dimen name="kg_small_widget_height">160dp</dimen>
+
 </resources>
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 73b9021..9932d1e 100755
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -3970,6 +3970,8 @@
     <!-- Sequence of characters used to separate message strings in keyguard. Typically just em-dash
          with spaces on either side. [CHAR LIMIT=3] -->
     <string name="kg_text_message_separator" product="default">" \u2014 "</string>
+    <!-- The delete-widget drop target button text -->
+    <string name="kg_reordering_delete_drop_target_text">Remove</string>
 
     <!-- Message shown in dialog when user is attempting to set the music volume above the
     recommended maximum level for headphones -->
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index dfa2b4a..cd21d80 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1215,7 +1215,9 @@
   <java-symbol type="bool" name="kg_enable_camera_default_widget" />
   <java-symbol type="bool" name="kg_share_status_area" />
   <java-symbol type="bool" name="kg_sim_puk_account_full_screen" />
+  <java-symbol type="bool" name="kg_top_align_page_shrink_on_bouncer_visible" />
   <java-symbol type="bool" name="target_honeycomb_needs_options_menu" />
+  <java-symbol type="bool" name="kg_center_small_widgets_vertically" />
   <java-symbol type="color" name="kg_multi_user_text_active" />
   <java-symbol type="color" name="kg_multi_user_text_inactive" />
   <java-symbol type="color" name="kg_widget_pager_gradient" />
@@ -1235,6 +1237,7 @@
   <java-symbol type="dimen" name="keyguard_avatar_frame_shadow_radius" />
   <java-symbol type="dimen" name="kg_edge_swipe_region_size" />
   <java-symbol type="dimen" name="kg_squashed_layout_threshold" />
+  <java-symbol type="dimen" name="kg_small_widget_height" />
   <java-symbol type="drawable" name="ic_jog_dial_sound_off" />
   <java-symbol type="drawable" name="ic_jog_dial_sound_on" />
   <java-symbol type="drawable" name="ic_jog_dial_unlock" />
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
index 1f31482..f165b61 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
@@ -162,9 +162,11 @@
         mAppWidgetContainer.setViewStateManager(mViewStateManager);
         mAppWidgetContainer.setLockPatternUtils(mLockPatternUtils);
 
+        ChallengeLayout challenge = slider != null ? slider :
+            (ChallengeLayout) findViewById(R.id.multi_pane_challenge);
+        challenge.setOnBouncerStateChangedListener(mViewStateManager);
         mViewStateManager.setPagedView(mAppWidgetContainer);
-        mViewStateManager.setChallengeLayout(slider != null ? slider :
-                (ChallengeLayout) findViewById(R.id.multi_pane_challenge));
+        mViewStateManager.setChallengeLayout(challenge);
         mSecurityViewContainer = (KeyguardSecurityViewFlipper) findViewById(R.id.view_flipper);
         mKeyguardSelectorView = (KeyguardSelectorView) findViewById(R.id.keyguard_selector_view);
         mViewStateManager.setSecurityViewContainer(mSecurityViewContainer);
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java
index 7c117d9..6d88652 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java
@@ -122,6 +122,7 @@
     class ViewManagerHost extends FrameLayout {
         public ViewManagerHost(Context context) {
             super(context);
+            setFitsSystemWindows(true);
         }
 
         @Override
@@ -164,7 +165,8 @@
 
             mKeyguardHost = new ViewManagerHost(mContext);
 
-            int flags = WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN
+            int flags = WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
+                    | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR
                     | WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
 
             if (!mNeedsInput) {
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewStateManager.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewStateManager.java
index 969b65e..e53358b 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewStateManager.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewStateManager.java
@@ -19,7 +19,9 @@
 import android.os.Looper;
 import android.view.View;
 
-public class KeyguardViewStateManager implements SlidingChallengeLayout.OnChallengeScrolledListener {
+public class KeyguardViewStateManager implements
+        SlidingChallengeLayout.OnChallengeScrolledListener,
+        ChallengeLayout.OnBouncerStateChangedListener {
 
     private KeyguardWidgetPager mKeyguardWidgetPager;
     private ChallengeLayout mChallengeLayout;
@@ -196,6 +198,7 @@
     @Override
     public void onScrollStateChanged(int scrollState) {
         if (mKeyguardWidgetPager == null || mChallengeLayout == null) return;
+
         boolean challengeOverlapping = mChallengeLayout.isChallengeOverlapping();
 
         if (scrollState == SlidingChallengeLayout.SCROLL_STATE_IDLE) {
@@ -226,15 +229,24 @@
             KeyguardWidgetFrame frame = mKeyguardWidgetPager.getWidgetPageAt(mPageListeningToSlider);
             if (frame == null) return;
 
-            frame.showFrame(this);
+            // Skip showing the frame and shrinking the widget if we are
+            if (!mChallengeLayout.isBouncing()) {
+                frame.showFrame(this);
 
-            // As soon as the security begins sliding, the widget becomes small (if it wasn't
-            // small to begin with).
-            if (!frame.isSmall()) {
-                // We need to fetch the final page, in case the pages are in motion.
-                mPageListeningToSlider = mKeyguardWidgetPager.getNextPage();
-                frame.shrinkWidget();
+                // As soon as the security begins sliding, the widget becomes small (if it wasn't
+                // small to begin with).
+                if (!frame.isSmall()) {
+                    // We need to fetch the final page, in case the pages are in motion.
+                    mPageListeningToSlider = mKeyguardWidgetPager.getNextPage();
+                    frame.shrinkWidget();
+                }
+            } else {
+                if (!frame.isSmall()) {
+                    // We need to fetch the final page, in case the pages are in motion.
+                    mPageListeningToSlider = mKeyguardWidgetPager.getNextPage();
+                }
             }
+
             // View is on the move.  Pause the security view until it completes.
             mKeyguardSecurityContainer.onPause();
         }
@@ -279,4 +291,14 @@
     public int getTransportState() {
         return mTransportState;
     }
+
+    // ChallengeLayout.OnBouncerStateChangedListener
+    @Override
+    public void onBouncerStateChanged(boolean bouncerActive) {
+        if (bouncerActive) {
+            mKeyguardWidgetPager.zoomOutToBouncer();
+        } else {
+            mKeyguardWidgetPager.zoomInFromBouncer();
+        }
+    }
 }
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetFrame.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetFrame.java
index 213b82f..fa1a1ae 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetFrame.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetFrame.java
@@ -112,6 +112,10 @@
 
         mFrameStrokeAdjustment = (int) (2 * density);
 
+        // This will be overriden on phones based on the current security mode, however on tablets
+        // we need to specify a height.
+        mSmallWidgetHeight =
+                res.getDimensionPixelSize(com.android.internal.R.dimen.kg_small_widget_height);
         mBackgroundDrawable = res.getDrawable(R.drawable.kg_bouncer_bg_white);
         mGradientColor = res.getColor(com.android.internal.R.color.kg_widget_pager_gradient);
         mGradientPaint.setXfermode(sAddBlendMode);
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java
index 7943b23..274e12b 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java
@@ -44,7 +44,7 @@
 import java.util.ArrayList;
 
 public class KeyguardWidgetPager extends PagedView implements PagedView.PageSwitchListener,
-        OnLongClickListener {
+        OnLongClickListener, ChallengeLayout.OnBouncerStateChangedListener {
 
     ZInterpolator mZInterpolator = new ZInterpolator(0.5f);
     private static float CAMERA_DISTANCE = 10000;
@@ -64,6 +64,7 @@
 
     private static final long CUSTOM_WIDGET_USER_ACTIVITY_TIMEOUT = 30000;
     private static final String TAG = "KeyguardWidgetPager";
+    private boolean mCenterSmallWidgetsVertically;
 
     private int mPage = 0;
     private Callbacks mCallbacks;
@@ -72,6 +73,10 @@
 
     private int mWidgetToResetAfterFadeOut;
 
+    // Bouncer
+    protected int BOUNCER_ZOOM_IN_OUT_DURATION = 250;
+    private float BOUNCER_SCALE_FACTOR = 0.67f;
+
     // Background worker thread: used here for persistence, also made available to widget frames
     private final HandlerThread mBackgroundWorkerThread;
     private final Handler mBackgroundWorkerHandler;
@@ -94,6 +99,8 @@
 
         Resources r = getResources();
         mCameraWidgetEnabled = r.getBoolean(R.bool.kg_enable_camera_default_widget);
+        mCenterSmallWidgetsVertically =
+                r.getBoolean(com.android.internal.R.bool.kg_center_small_widgets_vertically);
         mBackgroundWorkerThread = new HandlerThread("KeyguardWidgetPager Worker");
         mBackgroundWorkerThread.start();
         mBackgroundWorkerHandler = new Handler(mBackgroundWorkerThread.getLooper());
@@ -277,6 +284,9 @@
                 } else {
                     // Lock the widget to be small.
                     frame.setWidgetLockedSmall(true);
+                    if (mCenterSmallWidgetsVertically) {
+                        lp.gravity = Gravity.CENTER;
+                    }
                 }
             }
         } else {
@@ -706,4 +716,46 @@
         KeyguardWidgetFrame child = getWidgetPageAt(viewIndex);
         child.setIsHoveringOverDeleteDropTarget(isHovering);
     }
+
+    // ChallengeLayout.OnBouncerStateChangedListener
+    @Override
+    public void onBouncerStateChanged(boolean bouncerActive) {
+        if (bouncerActive) {
+            zoomOutToBouncer();
+        } else {
+            zoomInFromBouncer();
+        }
+    }
+
+    // Zoom in after the bouncer is dismissed
+    void zoomInFromBouncer() {
+        if (mZoomInOutAnim != null && mZoomInOutAnim.isRunning()) {
+            mZoomInOutAnim.cancel();
+        }
+        final View currentPage = getPageAt(getCurrentPage());
+        if (currentPage.getScaleX() < 1f || currentPage.getScaleY() < 1f) {
+            mZoomInOutAnim = new AnimatorSet();
+            mZoomInOutAnim.setDuration(BOUNCER_ZOOM_IN_OUT_DURATION);
+            mZoomInOutAnim.playTogether(
+                    ObjectAnimator.ofFloat(currentPage, "scaleX", 1f),
+                    ObjectAnimator.ofFloat(currentPage , "scaleY", 1f));
+            mZoomInOutAnim.start();
+        }
+    }
+
+    // Zoom out after the bouncer is initiated
+    void zoomOutToBouncer() {
+        if (mZoomInOutAnim != null && mZoomInOutAnim.isRunning()) {
+            mZoomInOutAnim.cancel();
+        }
+        View currentPage = getPageAt(getCurrentPage());
+        if (!(currentPage.getScaleX() < 1f || currentPage.getScaleY() < 1f)) {
+            mZoomInOutAnim = new AnimatorSet();
+            mZoomInOutAnim.setDuration(BOUNCER_ZOOM_IN_OUT_DURATION);
+            mZoomInOutAnim.playTogether(
+                    ObjectAnimator.ofFloat(currentPage, "scaleX", BOUNCER_SCALE_FACTOR),
+                    ObjectAnimator.ofFloat(currentPage, "scaleY", BOUNCER_SCALE_FACTOR));
+            mZoomInOutAnim.start();
+        }
+    }
 }
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/PagedView.java b/policy/src/com/android/internal/policy/impl/keyguard/PagedView.java
index 00a0aed..8f47578 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/PagedView.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/PagedView.java
@@ -24,6 +24,7 @@
 import android.animation.ValueAnimator;
 import android.animation.ValueAnimator.AnimatorUpdateListener;
 import android.content.Context;
+import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Matrix;
@@ -209,7 +210,7 @@
     private long REORDERING_DELETE_DROP_TARGET_FADE_DURATION = 150;
     private float mMinScale = 1f;
     protected View mDragView;
-    private AnimatorSet mZoomInOutAnim;
+    protected AnimatorSet mZoomInOutAnim;
     private Runnable mSidePageHoverRunnable;
     private int mSidePageHoverIndex = -1;
     // This variable's scope is only for the duration of startReordering() and endReordering()
@@ -246,6 +247,9 @@
     // Drop to delete
     private View mDeleteDropTarget;
 
+    // Bouncer
+    private boolean mTopAlignPageWhenShrinkingForBouncer = false;
+
     public interface PageSwitchListener {
         void onPageSwitching(View newPage, int newPageIndex);
         void onPageSwitched(View newPage, int newPageIndex);
@@ -270,8 +274,10 @@
                 a.getDimensionPixelSize(R.styleable.PagedView_scrollIndicatorPaddingRight, 0);
         a.recycle();
 
-        mEdgeSwipeRegionSize =
-                getResources().getDimensionPixelSize(R.dimen.kg_edge_swipe_region_size);
+        Resources r = getResources();
+        mEdgeSwipeRegionSize = r.getDimensionPixelSize(R.dimen.kg_edge_swipe_region_size);
+        mTopAlignPageWhenShrinkingForBouncer =
+                r.getBoolean(R.bool.kg_top_align_page_shrink_on_bouncer_visible);
 
         setHapticFeedbackEnabled(false);
         init();
@@ -645,6 +651,10 @@
                 MeasureSpec.makeMeasureSpec(heightSize - verticalPadding, childHeightMode);
 
             child.measure(childWidthMeasureSpec, childHeightMeasureSpec);
+            if (mTopAlignPageWhenShrinkingForBouncer) {
+                child.setPivotX(child.getWidth() / 2);
+                child.setPivotY(0f);
+            }
         }
         setMeasuredDimension(scaledWidthSize, scaledHeightSize);
 
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/SlidingChallengeLayout.java b/policy/src/com/android/internal/policy/impl/keyguard/SlidingChallengeLayout.java
index 2712494..16ec8c5 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/SlidingChallengeLayout.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/SlidingChallengeLayout.java
@@ -29,6 +29,7 @@
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
+import android.util.DisplayMetrics;
 import android.util.FloatProperty;
 import android.util.Log;
 import android.util.Property;
@@ -64,6 +65,8 @@
     private Drawable mFrameDrawable;
     private boolean mEdgeCaptured;
 
+    private DisplayMetrics mDisplayMetrics;
+
     // Initialized during measurement from child layoutparams
     private View mExpandChallengeView;
     private KeyguardSecurityContainer mChallengeView;
@@ -264,7 +267,8 @@
         mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
         mTouchSlopSquare = mTouchSlop * mTouchSlop;
 
-        final float density = res.getDisplayMetrics().density;
+        mDisplayMetrics = res.getDisplayMetrics();
+        final float density = mDisplayMetrics.density;
 
         // top half of the lock icon, plus another 25% to be sure
         mDragHandleClosedAbove = (int) (DRAG_HANDLE_CLOSED_ABOVE * density + 0.5f);
@@ -481,6 +485,14 @@
             return;
         }
         mChallengeShowing = showChallenge;
+
+        if (mExpandChallengeView == null || mChallengeView == null) {
+            // These might not be here yet if we haven't been through layout.
+            // If we haven't, the first layout pass will set everything up correctly
+            // based on mChallengeShowing as set above.
+            return;
+        }
+
         if (mChallengeShowing) {
             mExpandChallengeView.setVisibility(View.INVISIBLE);
             mChallengeView.setVisibility(View.VISIBLE);
@@ -520,8 +532,8 @@
     @Override
     public void showBouncer() {
         if (mIsBouncing) return;
-        showChallenge(true);
         mIsBouncing = true;
+        showChallenge(true);
         if (mScrimView != null) {
             mScrimView.setVisibility(VISIBLE);
         }
@@ -887,9 +899,27 @@
                 continue;
             }
             // Don't measure the challenge view twice!
-            if (child != mChallengeView) {
-                measureChildWithMargins(child, widthSpec, 0, heightSpec, 0);
+            if (child == mChallengeView) continue;
+
+            // Measure children. Widget frame measures special, so that we can ignore
+            // insets for the IME.
+            int parentWidthSpec = widthSpec, parentHeightSpec = heightSpec;
+            final LayoutParams lp = (LayoutParams) child.getLayoutParams();
+            if (lp.childType == LayoutParams.CHILD_TYPE_WIDGETS) {
+                final View root = getRootView();
+                if (root != null) {
+                    // This calculation is super dodgy and relies on several assumptions.
+                    // Specifically that the root of the window will be padded in for insets
+                    // and that the window is LAYOUT_IN_SCREEN.
+                    final int windowWidth = mDisplayMetrics.widthPixels;
+                    final int windowHeight = mDisplayMetrics.heightPixels - root.getPaddingTop();
+                    parentWidthSpec = MeasureSpec.makeMeasureSpec(
+                            windowWidth, MeasureSpec.EXACTLY);
+                    parentHeightSpec = MeasureSpec.makeMeasureSpec(
+                            windowHeight, MeasureSpec.EXACTLY);
+                }
             }
+            measureChildWithMargins(child, parentWidthSpec, 0, parentHeightSpec, 0);
         }
     }