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-rw-r--r--src/com/android/launcher3/PagedViewCellLayout.java492
1 files changed, 0 insertions, 492 deletions
diff --git a/src/com/android/launcher3/PagedViewCellLayout.java b/src/com/android/launcher3/PagedViewCellLayout.java
deleted file mode 100644
index 2d9e10b9d..000000000
--- a/src/com/android/launcher3/PagedViewCellLayout.java
+++ /dev/null
@@ -1,492 +0,0 @@
-/*
- * Copyright (C) 2010 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.launcher3;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.view.MotionEvent;
-import android.view.View;
-import android.view.ViewDebug;
-import android.view.ViewGroup;
-
-/**
- * An abstraction of the original CellLayout which supports laying out items
- * which span multiple cells into a grid-like layout. Also supports dimming
- * to give a preview of its contents.
- */
-public class PagedViewCellLayout extends ViewGroup implements Page {
- static final String TAG = "PagedViewCellLayout";
-
- private int mCellCountX;
- private int mCellCountY;
- private int mOriginalCellWidth;
- private int mOriginalCellHeight;
- private int mCellWidth;
- private int mCellHeight;
- private int mOriginalWidthGap;
- private int mOriginalHeightGap;
- private int mWidthGap;
- private int mHeightGap;
- protected PagedViewCellLayoutChildren mChildren;
-
- public PagedViewCellLayout(Context context) {
- this(context, null);
- }
-
- public PagedViewCellLayout(Context context, AttributeSet attrs) {
- this(context, attrs, 0);
- }
-
- public PagedViewCellLayout(Context context, AttributeSet attrs, int defStyle) {
- super(context, attrs, defStyle);
-
- setAlwaysDrawnWithCacheEnabled(false);
-
- // setup default cell parameters
- LauncherAppState app = LauncherAppState.getInstance();
- DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
- mOriginalCellWidth = mCellWidth = grid.cellWidthPx;
- mOriginalCellHeight = mCellHeight = grid.cellHeightPx;
- mCellCountX = (int) grid.numColumns;
- mCellCountY = (int) grid.numRows;
- mOriginalWidthGap = mOriginalHeightGap = mWidthGap = mHeightGap = -1;
-
- mChildren = new PagedViewCellLayoutChildren(context);
- mChildren.setCellDimensions(mCellWidth, mCellHeight);
- mChildren.setGap(mWidthGap, mHeightGap);
-
- addView(mChildren);
- }
-
- public int getCellWidth() {
- return mCellWidth;
- }
-
- public int getCellHeight() {
- return mCellHeight;
- }
-
- @Override
- public void cancelLongPress() {
- super.cancelLongPress();
-
- // Cancel long press for all children
- final int count = getChildCount();
- for (int i = 0; i < count; i++) {
- final View child = getChildAt(i);
- child.cancelLongPress();
- }
- }
-
- public boolean addViewToCellLayout(View child, int index, int childId,
- PagedViewCellLayout.LayoutParams params) {
- final PagedViewCellLayout.LayoutParams lp = params;
-
- // Generate an id for each view, this assumes we have at most 256x256 cells
- // per workspace screen
- if (lp.cellX >= 0 && lp.cellX <= (mCellCountX - 1) &&
- lp.cellY >= 0 && (lp.cellY <= mCellCountY - 1)) {
- // If the horizontal or vertical span is set to -1, it is taken to
- // mean that it spans the extent of the CellLayout
- if (lp.cellHSpan < 0) lp.cellHSpan = mCellCountX;
- if (lp.cellVSpan < 0) lp.cellVSpan = mCellCountY;
-
- child.setId(childId);
- mChildren.addView(child, index, lp);
-
- return true;
- }
- return false;
- }
-
- @Override
- public void removeAllViewsOnPage() {
- mChildren.removeAllViews();
- setLayerType(LAYER_TYPE_NONE, null);
- }
-
- @Override
- public void removeViewOnPageAt(int index) {
- mChildren.removeViewAt(index);
- }
-
- /**
- * Clears all the key listeners for the individual icons.
- */
- public void resetChildrenOnKeyListeners() {
- int childCount = mChildren.getChildCount();
- for (int j = 0; j < childCount; ++j) {
- mChildren.getChildAt(j).setOnKeyListener(null);
- }
- }
-
- @Override
- public int getPageChildCount() {
- return mChildren.getChildCount();
- }
-
- public PagedViewCellLayoutChildren getChildrenLayout() {
- return mChildren;
- }
-
- @Override
- public View getChildOnPageAt(int i) {
- return mChildren.getChildAt(i);
- }
-
- @Override
- public int indexOfChildOnPage(View v) {
- return mChildren.indexOfChild(v);
- }
-
- public int getCellCountX() {
- return mCellCountX;
- }
-
- public int getCellCountY() {
- return mCellCountY;
- }
-
- protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
- int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec);
- int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec);
-
- int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);
- int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec);
-
- if (widthSpecMode == MeasureSpec.UNSPECIFIED || heightSpecMode == MeasureSpec.UNSPECIFIED) {
- throw new RuntimeException("CellLayout cannot have UNSPECIFIED dimensions");
- }
-
- int numWidthGaps = mCellCountX - 1;
- int numHeightGaps = mCellCountY - 1;
-
- if (mOriginalWidthGap < 0 || mOriginalHeightGap < 0) {
- int hSpace = widthSpecSize - getPaddingLeft() - getPaddingRight();
- int vSpace = heightSpecSize - getPaddingTop() - getPaddingBottom();
- int hFreeSpace = hSpace - (mCellCountX * mOriginalCellWidth);
- int vFreeSpace = vSpace - (mCellCountY * mOriginalCellHeight);
- mWidthGap = numWidthGaps > 0 ? (hFreeSpace / numWidthGaps) : 0;
- mHeightGap = numHeightGaps > 0 ? (vFreeSpace / numHeightGaps) : 0;
-
- mChildren.setGap(mWidthGap, mHeightGap);
- } else {
- mWidthGap = mOriginalWidthGap;
- mHeightGap = mOriginalHeightGap;
- }
-
- // Initial values correspond to widthSpecMode == MeasureSpec.EXACTLY
- int newWidth = widthSpecSize;
- int newHeight = heightSpecSize;
- if (widthSpecMode == MeasureSpec.AT_MOST) {
- newWidth = getPaddingLeft() + getPaddingRight() + (mCellCountX * mCellWidth) +
- ((mCellCountX - 1) * mWidthGap);
- newHeight = getPaddingTop() + getPaddingBottom() + (mCellCountY * mCellHeight) +
- ((mCellCountY - 1) * mHeightGap);
- setMeasuredDimension(newWidth, newHeight);
- }
-
- final int count = getChildCount();
- for (int i = 0; i < count; i++) {
- View child = getChildAt(i);
- int childWidthMeasureSpec =
- MeasureSpec.makeMeasureSpec(newWidth - getPaddingLeft() -
- getPaddingRight(), MeasureSpec.EXACTLY);
- int childheightMeasureSpec =
- MeasureSpec.makeMeasureSpec(newHeight - getPaddingTop() -
- getPaddingBottom(), MeasureSpec.EXACTLY);
- child.measure(childWidthMeasureSpec, childheightMeasureSpec);
- }
-
- setMeasuredDimension(newWidth, newHeight);
- }
-
- int getContentWidth() {
- return getWidthBeforeFirstLayout() + getPaddingLeft() + getPaddingRight();
- }
-
- int getContentHeight() {
- if (mCellCountY > 0) {
- return mCellCountY * mCellHeight + (mCellCountY - 1) * Math.max(0, mHeightGap);
- }
- return 0;
- }
-
- int getWidthBeforeFirstLayout() {
- if (mCellCountX > 0) {
- return mCellCountX * mCellWidth + (mCellCountX - 1) * Math.max(0, mWidthGap);
- }
- return 0;
- }
-
- @Override
- protected void onLayout(boolean changed, int l, int t, int r, int b) {
- int count = getChildCount();
- for (int i = 0; i < count; i++) {
- View child = getChildAt(i);
- child.layout(getPaddingLeft(), getPaddingTop(),
- r - l - getPaddingRight(), b - t - getPaddingBottom());
- }
- }
-
- @Override
- public boolean onTouchEvent(MotionEvent event) {
- boolean result = super.onTouchEvent(event);
- int count = getPageChildCount();
- if (count > 0) {
- // We only intercept the touch if we are tapping in empty space after the final row
- View child = getChildOnPageAt(count - 1);
- int bottom = child.getBottom();
- int numRows = (int) Math.ceil((float) getPageChildCount() / getCellCountX());
- if (numRows < getCellCountY()) {
- // Add a little bit of buffer if there is room for another row
- bottom += mCellHeight / 2;
- }
- result = result || (event.getY() < bottom);
- }
- return result;
- }
-
- public void enableCenteredContent(boolean enabled) {
- mChildren.enableCenteredContent(enabled);
- }
-
- @Override
- protected void setChildrenDrawingCacheEnabled(boolean enabled) {
- mChildren.setChildrenDrawingCacheEnabled(enabled);
- }
-
- public void setCellCount(int xCount, int yCount) {
- mCellCountX = xCount;
- mCellCountY = yCount;
- requestLayout();
- }
-
- public void setGap(int widthGap, int heightGap) {
- mOriginalWidthGap = mWidthGap = widthGap;
- mOriginalHeightGap = mHeightGap = heightGap;
- mChildren.setGap(widthGap, heightGap);
- }
-
- public int[] getCellCountForDimensions(int width, int height) {
- // Always assume we're working with the smallest span to make sure we
- // reserve enough space in both orientations
- int smallerSize = Math.min(mCellWidth, mCellHeight);
-
- // Always round up to next largest cell
- int spanX = (width + smallerSize) / smallerSize;
- int spanY = (height + smallerSize) / smallerSize;
-
- return new int[] { spanX, spanY };
- }
-
- /**
- * Start dragging the specified child
- *
- * @param child The child that is being dragged
- */
- void onDragChild(View child) {
- PagedViewCellLayout.LayoutParams lp = (PagedViewCellLayout.LayoutParams) child.getLayoutParams();
- lp.isDragging = true;
- }
-
- /**
- * Estimates the number of cells that the specified width would take up.
- */
- public int estimateCellHSpan(int width) {
- // We don't show the next/previous pages any more, so we use the full width, minus the
- // padding
- int availWidth = width - (getPaddingLeft() + getPaddingRight());
-
- // We know that we have to fit N cells with N-1 width gaps, so we just juggle to solve for N
- int n = Math.max(1, (availWidth + mWidthGap) / (mCellWidth + mWidthGap));
-
- // We don't do anything fancy to determine if we squeeze another row in.
- return n;
- }
-
- /**
- * Estimates the number of cells that the specified height would take up.
- */
- public int estimateCellVSpan(int height) {
- // The space for a page is the height - top padding (current page) - bottom padding (current
- // page)
- int availHeight = height - (getPaddingTop() + getPaddingBottom());
-
- // We know that we have to fit N cells with N-1 height gaps, so we juggle to solve for N
- int n = Math.max(1, (availHeight + mHeightGap) / (mCellHeight + mHeightGap));
-
- // We don't do anything fancy to determine if we squeeze another row in.
- return n;
- }
-
- /** Returns an estimated center position of the cell at the specified index */
- public int[] estimateCellPosition(int x, int y) {
- return new int[] {
- getPaddingLeft() + (x * mCellWidth) + (x * mWidthGap) + (mCellWidth / 2),
- getPaddingTop() + (y * mCellHeight) + (y * mHeightGap) + (mCellHeight / 2)
- };
- }
-
- public void calculateCellCount(int width, int height, int maxCellCountX, int maxCellCountY) {
- mCellCountX = Math.min(maxCellCountX, estimateCellHSpan(width));
- mCellCountY = Math.min(maxCellCountY, estimateCellVSpan(height));
- requestLayout();
- }
-
- /**
- * Estimates the width that the number of hSpan cells will take up.
- */
- public int estimateCellWidth(int hSpan) {
- // TODO: we need to take widthGap into effect
- return hSpan * mCellWidth;
- }
-
- /**
- * Estimates the height that the number of vSpan cells will take up.
- */
- public int estimateCellHeight(int vSpan) {
- // TODO: we need to take heightGap into effect
- return vSpan * mCellHeight;
- }
-
- @Override
- public ViewGroup.LayoutParams generateLayoutParams(AttributeSet attrs) {
- return new PagedViewCellLayout.LayoutParams(getContext(), attrs);
- }
-
- @Override
- protected boolean checkLayoutParams(ViewGroup.LayoutParams p) {
- return p instanceof PagedViewCellLayout.LayoutParams;
- }
-
- @Override
- protected ViewGroup.LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) {
- return new PagedViewCellLayout.LayoutParams(p);
- }
-
- public static class LayoutParams extends ViewGroup.MarginLayoutParams {
- /**
- * Horizontal location of the item in the grid.
- */
- @ViewDebug.ExportedProperty
- public int cellX;
-
- /**
- * Vertical location of the item in the grid.
- */
- @ViewDebug.ExportedProperty
- public int cellY;
-
- /**
- * Number of cells spanned horizontally by the item.
- */
- @ViewDebug.ExportedProperty
- public int cellHSpan;
-
- /**
- * Number of cells spanned vertically by the item.
- */
- @ViewDebug.ExportedProperty
- public int cellVSpan;
-
- /**
- * Is this item currently being dragged
- */
- public boolean isDragging;
-
- // a data object that you can bind to this layout params
- private Object mTag;
-
- // X coordinate of the view in the layout.
- @ViewDebug.ExportedProperty
- int x;
- // Y coordinate of the view in the layout.
- @ViewDebug.ExportedProperty
- int y;
-
- public LayoutParams() {
- super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
- cellHSpan = 1;
- cellVSpan = 1;
- }
-
- public LayoutParams(Context c, AttributeSet attrs) {
- super(c, attrs);
- cellHSpan = 1;
- cellVSpan = 1;
- }
-
- public LayoutParams(ViewGroup.LayoutParams source) {
- super(source);
- cellHSpan = 1;
- cellVSpan = 1;
- }
-
- public LayoutParams(LayoutParams source) {
- super(source);
- this.cellX = source.cellX;
- this.cellY = source.cellY;
- this.cellHSpan = source.cellHSpan;
- this.cellVSpan = source.cellVSpan;
- }
-
- public LayoutParams(int cellX, int cellY, int cellHSpan, int cellVSpan) {
- super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
- this.cellX = cellX;
- this.cellY = cellY;
- this.cellHSpan = cellHSpan;
- this.cellVSpan = cellVSpan;
- }
-
- public void setup(Context context,
- int cellWidth, int cellHeight, int widthGap, int heightGap,
- int hStartPadding, int vStartPadding) {
-
- final int myCellHSpan = cellHSpan;
- final int myCellVSpan = cellVSpan;
- final int myCellX = cellX;
- final int myCellY = cellY;
-
- width = myCellHSpan * cellWidth + ((myCellHSpan - 1) * widthGap) -
- leftMargin - rightMargin;
- height = myCellVSpan * cellHeight + ((myCellVSpan - 1) * heightGap) -
- topMargin - bottomMargin;
-
- if (LauncherAppState.getInstance().isScreenLarge()) {
- x = hStartPadding + myCellX * (cellWidth + widthGap) + leftMargin;
- y = vStartPadding + myCellY * (cellHeight + heightGap) + topMargin;
- } else {
- x = myCellX * (cellWidth + widthGap) + leftMargin;
- y = myCellY * (cellHeight + heightGap) + topMargin;
- }
- }
-
- public Object getTag() {
- return mTag;
- }
-
- public void setTag(Object tag) {
- mTag = tag;
- }
-
- public String toString() {
- return "(" + this.cellX + ", " + this.cellY + ", " +
- this.cellHSpan + ", " + this.cellVSpan + ")";
- }
- }
-} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-20 04:11:56 +0000