Adding notion of fullscreen page to PagedView
-> This will be used for appending custom content to the left of the workspace
-> Stripped out a bunch of dead code related to notion of layout scale in PagedView
Change-Id: If4dbe28431cb5fb60dc170f6ee6e55a649dac45e
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 275195b..dc04cee 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -44,6 +44,7 @@
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.view.ViewParent;
+import android.view.ViewGroup.LayoutParams;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityManager;
import android.view.accessibility.AccessibilityNodeInfo;
@@ -51,6 +52,7 @@
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Interpolator;
import android.view.animation.LinearInterpolator;
+import android.widget.FrameLayout;
import android.widget.Scroller;
import java.util.ArrayList;
@@ -121,7 +123,6 @@
private int mLastScreenCenter = -1;
private int[] mChildOffsets;
private int[] mChildRelativeOffsets;
- private int[] mChildOffsetsWithLayoutScale;
protected final static int TOUCH_STATE_REST = 0;
protected final static int TOUCH_STATE_SCROLLING = 1;
@@ -139,7 +140,6 @@
protected int mTouchSlop;
private int mPagingTouchSlop;
private int mMaximumVelocity;
- private int mMinimumWidth;
protected int mPageSpacing;
protected int mPageLayoutPaddingTop;
protected int mPageLayoutPaddingBottom;
@@ -160,9 +160,6 @@
// the screens from continuing to translate beyond the normal bounds.
protected int mOverScrollX;
- // parameter that adjusts the layout to be optimized for pages with that scale factor
- protected float mLayoutScale = 1.0f;
-
protected static final int INVALID_POINTER = -1;
protected int mActivePointerId = INVALID_POINTER;
@@ -643,6 +640,31 @@
return mTopAlignPageWhenShrinkingForBouncer;
}
+ public static class LayoutParams extends ViewGroup.LayoutParams {
+ public boolean isFullScreenPage = false;
+
+ /**
+ * {@inheritDoc}
+ */
+ public LayoutParams(int width, int height) {
+ super(width, height);
+ }
+
+ public LayoutParams(ViewGroup.LayoutParams source) {
+ super(source);
+ }
+ }
+
+ protected LayoutParams generateDefaultLayoutParams() {
+ return new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
+ }
+
+ public void addFullScreenPage(View page, int width, int height) {
+ LayoutParams lp = generateDefaultLayoutParams();
+ lp.isFullScreenPage = true;
+ super.addView(page, 0, lp);
+ }
+
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
if (!mIsDataReady || getChildCount() == 0) {
@@ -699,24 +721,38 @@
final LayoutParams lp = (LayoutParams) child.getLayoutParams();
int childWidthMode;
- if (lp.width == LayoutParams.WRAP_CONTENT) {
- childWidthMode = MeasureSpec.AT_MOST;
+ int childHeightMode;
+ int childWidth;
+ int childHeight;
+
+ if (!lp.isFullScreenPage) {
+ if (lp.width == LayoutParams.WRAP_CONTENT) {
+ childWidthMode = MeasureSpec.AT_MOST;
+ } else {
+ childWidthMode = MeasureSpec.EXACTLY;
+ }
+
+ if (lp.height == LayoutParams.WRAP_CONTENT) {
+ childHeightMode = MeasureSpec.AT_MOST;
+ } else {
+ childHeightMode = MeasureSpec.EXACTLY;
+ }
+
+ childWidth = widthSize - horizontalPadding;
+ childHeight = heightSize - verticalPadding;
+
} else {
childWidthMode = MeasureSpec.EXACTLY;
- }
-
- int childHeightMode;
- if (lp.height == LayoutParams.WRAP_CONTENT) {
- childHeightMode = MeasureSpec.AT_MOST;
- } else {
childHeightMode = MeasureSpec.EXACTLY;
+
+ childWidth = getViewportWidth();
+ childHeight = getViewportHeight();
}
final int childWidthMeasureSpec =
- MeasureSpec.makeMeasureSpec(widthSize - horizontalPadding, childWidthMode);
- final int childHeightMeasureSpec =
- MeasureSpec.makeMeasureSpec(heightSize - verticalPadding, childHeightMode);
-
+ MeasureSpec.makeMeasureSpec(childWidth, childWidthMode);
+ final int childHeightMeasureSpec =
+ MeasureSpec.makeMeasureSpec(childHeight, childHeightMode);
child.measure(childWidthMeasureSpec, childHeightMeasureSpec);
}
setMeasuredDimension(scaledWidthSize, scaledHeightSize);
@@ -726,12 +762,6 @@
// ensure that the cache is filled with good values.
invalidateCachedOffsets();
- if (mScroller.isFinished() && mChildCountOnLastMeasure != getChildCount() &&
- !mDeferringForDelete) {
- setCurrentPage(getNextPage());
- }
- mChildCountOnLastMeasure = getChildCount();
-
if (childCount > 0) {
if (DEBUG) Log.d(TAG, "getRelativeChildOffset(): " + getViewportWidth() + ", "
+ getChildWidth(0));
@@ -750,6 +780,12 @@
}
}
+ if (mScroller.isFinished() && mChildCountOnLastMeasure != getChildCount() &&
+ !mDeferringForDelete) {
+ setCurrentPage(getNextPage());
+ }
+ mChildCountOnLastMeasure = getChildCount();
+
updateScrollingIndicatorPosition();
if (childCount > 0) {
@@ -790,12 +826,20 @@
int childLeft = offsetX + getRelativeChildOffset(startIndex);
for (int i = startIndex; i != endIndex; i += delta) {
final View child = getPageAt(i);
- int childTop = offsetY + getPaddingTop();
- if (mCenterPagesVertically) {
- childTop += ((getViewportHeight() - verticalPadding) - child.getMeasuredHeight()) / 2;
+ LayoutParams lp = (LayoutParams) child.getLayoutParams();
+ int childTop;
+
+ if (lp.isFullScreenPage) {
+ childTop = offsetY;
+ } else {
+ childTop = offsetY + getPaddingTop();
+ if (mCenterPagesVertically) {
+ childTop += ((getViewportHeight() - verticalPadding) - child.getMeasuredHeight()) / 2;
+ }
}
+
if (child.getVisibility() != View.GONE) {
- final int childWidth = getScaledMeasuredWidth(child);
+ final int childWidth = child.getMeasuredWidth();
final int childHeight = child.getMeasuredHeight();
if (DEBUG) Log.d(TAG, "\tlayout-child" + i + ": " + childLeft + ", " + childTop);
@@ -838,6 +882,7 @@
// in accordance with any scroll effects.
mForceScreenScrolled = true;
mRecomputePageSpacing = true;
+
invalidate();
invalidateCachedOffsets();
}
@@ -854,17 +899,14 @@
if (count == 0) {
mChildOffsets = null;
mChildRelativeOffsets = null;
- mChildOffsetsWithLayoutScale = null;
return;
}
mChildOffsets = new int[count];
mChildRelativeOffsets = new int[count];
- mChildOffsetsWithLayoutScale = new int[count];
for (int i = 0; i < count; i++) {
mChildOffsets[i] = -1;
mChildRelativeOffsets[i] = -1;
- mChildOffsetsWithLayoutScale[i] = -1;
}
}
@@ -872,8 +914,7 @@
if (index < 0 || index > getChildCount() - 1) return 0;
final boolean isRtl = isLayoutRtl();
- int[] childOffsets = Float.compare(mLayoutScale, 1f) == 0 ?
- mChildOffsets : mChildOffsetsWithLayoutScale;
+ int[] childOffsets = mChildOffsets;
if (childOffsets != null && childOffsets[index] != -1) {
return childOffsets[index];
@@ -881,20 +922,20 @@
if (getChildCount() == 0)
return 0;
-
final int startIndex = isRtl ? getChildCount() - 1 : 0;
final int endIndex = isRtl ? index : index;
final int delta = isRtl ? -1 : 1;
int offset = getRelativeChildOffset(startIndex);
for (int i = startIndex; i != endIndex; i += delta) {
- offset += getScaledMeasuredWidth(getPageAt(i)) + mPageSpacing;
+ offset += getPageAt(i).getMeasuredWidth() + mPageSpacing;
}
if (childOffsets != null) {
childOffsets[index] = offset;
}
return offset;
}
+
}
protected int getRelativeChildOffset(int index) {
@@ -913,15 +954,6 @@
}
}
- protected int getScaledMeasuredWidth(View child) {
- // This functions are called enough times that it actually makes a difference in the
- // profiler -- so just inline the max() here
- final int measuredWidth = child.getMeasuredWidth();
- final int minWidth = mMinimumWidth;
- final int maxWidth = (minWidth > measuredWidth) ? minWidth : measuredWidth;
- return (int) (maxWidth * mLayoutScale + 0.5f);
- }
-
void boundByReorderablePages(boolean isReordering, int[] range) {
// Do nothing
}
@@ -1354,7 +1386,7 @@
protected float getScrollProgress(int screenCenter, View v, int page) {
final int halfScreenSize = getViewportWidth() / 2;
- int totalDistance = getScaledMeasuredWidth(v) + mPageSpacing;
+ int totalDistance = v.getMeasuredWidth() + mPageSpacing;
int delta = screenCenter - (getChildOffset(page) -
getRelativeChildOffset(page) + halfScreenSize);
@@ -1627,7 +1659,7 @@
velocityTracker.computeCurrentVelocity(1000, mMaximumVelocity);
int velocityX = (int) velocityTracker.getXVelocity(activePointerId);
final int deltaX = (int) (x - mDownMotionX);
- final int pageWidth = getScaledMeasuredWidth(getPageAt(mCurrentPage));
+ final int pageWidth = getPageAt(mCurrentPage).getMeasuredWidth();
boolean isSignificantMove = Math.abs(deltaX) > pageWidth *
SIGNIFICANT_MOVE_THRESHOLD;
@@ -1820,30 +1852,8 @@
}
}
- protected int getChildIndexForRelativeOffset(int relativeOffset) {
- final boolean isRtl = isLayoutRtl();
- final int childCount = getChildCount();
- int left;
- int right;
- final int startIndex = isRtl ? childCount - 1 : 0;
- final int endIndex = isRtl ? -1 : childCount;
- final int delta = isRtl ? -1 : 1;
- for (int i = startIndex; i != endIndex; i += delta) {
- left = getRelativeChildOffset(i);
- right = (left + getScaledMeasuredWidth(getPageAt(i)));
- if (left <= relativeOffset && relativeOffset <= right) {
- return i;
- }
- }
- return -1;
- }
-
protected int getChildWidth(int index) {
- // This functions are called enough times that it actually makes a difference in the
- // profiler -- so just inline the max() here
- final int measuredWidth = getPageAt(index).getMeasuredWidth();
- final int minWidth = mMinimumWidth;
- return (minWidth > measuredWidth) ? minWidth : measuredWidth;
+ return getPageAt(index).getMeasuredWidth();
}
int getPageNearestToPoint(float x) {
@@ -1865,7 +1875,7 @@
final int childCount = getChildCount();
for (int i = 0; i < childCount; ++i) {
View layout = (View) getPageAt(i);
- int childWidth = getScaledMeasuredWidth(layout);
+ int childWidth = layout.getMeasuredWidth();
int halfChildWidth = (childWidth / 2);
int childCenter = getViewportOffsetX() + getChildOffset(i) + halfChildWidth;
int distanceFromScreenCenter = Math.abs(childCenter - screenCenter);