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Avoiding object allocation during draw

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Change-Id: I94c146e0f4ad7386a31782f0e63e5228a2fa0442
This commit is contained in:
Sunny Goyal
2015-05-19 19:07:29 -07:00
parent 39b83c6256
commit b135956e95
1 changed files with 16 additions and 15 deletions
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src/com/android/launcher3/DragLayer.java
+16 -15
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@@ -48,34 +48,35 @@ import java.util.ArrayList;
*/
public class DragLayer extends InsettableFrameLayout {
public static final int ANIMATION_END_DISAPPEAR = 0;
public static final int ANIMATION_END_FADE_OUT = 1;
public static final int ANIMATION_END_REMAIN_VISIBLE = 2;
// Scrim color without any alpha component.
private static final int SCRIM_COLOR = Color.BLACK & 0x00FFFFFF;
private final int[] mTmpXY = new int[2];
@Thunk DragController mDragController;
private int[] mTmpXY = new int[2];
private int mXDown, mYDown;
private Launcher mLauncher;
// Variables relating to resizing widgets
private final ArrayList<AppWidgetResizeFrame> mResizeFrames =
new ArrayList<AppWidgetResizeFrame>();
private final ArrayList<AppWidgetResizeFrame> mResizeFrames = new ArrayList<>();
private final boolean mIsRtl;
private AppWidgetResizeFrame mCurrentResizeFrame;
// Variables relating to animation of views after drop
private ValueAnimator mDropAnim = null;
private ValueAnimator mFadeOutAnim = null;
private TimeInterpolator mCubicEaseOutInterpolator = new DecelerateInterpolator(1.5f);
private final TimeInterpolator mCubicEaseOutInterpolator = new DecelerateInterpolator(1.5f);
@Thunk DragView mDropView = null;
@Thunk int mAnchorViewInitialScrollX = 0;
@Thunk View mAnchorView = null;
private boolean mHoverPointClosesFolder = false;
private Rect mHitRect = new Rect();
public static final int ANIMATION_END_DISAPPEAR = 0;
public static final int ANIMATION_END_FADE_OUT = 1;
public static final int ANIMATION_END_REMAIN_VISIBLE = 2;
private final Rect mHitRect = new Rect();
private TouchCompleteListener mTouchCompleteListener;
@@ -87,6 +88,7 @@ public class DragLayer extends InsettableFrameLayout {
private float mBackgroundAlpha = 0;
// Related to adjacent page hints
private final Rect mScrollChildPosition = new Rect();
private boolean mInScrollArea;
private boolean mShowPageHints;
private Drawable mLeftHoverDrawable;
@@ -914,6 +916,9 @@ public class DragLayer extends InsettableFrameLayout {
void showPageHints() {
mShowPageHints = true;
Workspace workspace = mLauncher.getWorkspace();
getDescendantRectRelativeToSelf(workspace.getChildAt(workspace.getChildCount() - 1),
mScrollChildPosition);
invalidate();
}
@@ -937,10 +942,6 @@ public class DragLayer extends InsettableFrameLayout {
if (mShowPageHints) {
Workspace workspace = mLauncher.getWorkspace();
int width = getMeasuredWidth();
Rect childRect = new Rect();
getDescendantRectRelativeToSelf(workspace.getChildAt(workspace.getChildCount() - 1),
childRect);
int page = workspace.getNextPage();
CellLayout leftPage = (CellLayout) workspace.getChildAt(mIsRtl ? page + 1 : page - 1);
CellLayout rightPage = (CellLayout) workspace.getChildAt(mIsRtl ? page - 1 : page + 1);
@@ -948,15 +949,15 @@ public class DragLayer extends InsettableFrameLayout {
if (leftPage != null && leftPage.isDragTarget()) {
Drawable left = mInScrollArea && leftPage.getIsDragOverlapping() ?
mLeftHoverDrawableActive : mLeftHoverDrawable;
left.setBounds(0, childRect.top,
left.getIntrinsicWidth(), childRect.bottom);
left.setBounds(0, mScrollChildPosition.top,
left.getIntrinsicWidth(), mScrollChildPosition.bottom);
left.draw(canvas);
}
if (rightPage != null && rightPage.isDragTarget()) {
Drawable right = mInScrollArea && rightPage.getIsDragOverlapping() ?
mRightHoverDrawableActive : mRightHoverDrawable;
right.setBounds(width - right.getIntrinsicWidth(),
childRect.top, width, childRect.bottom);
mScrollChildPosition.top, width, mScrollChildPosition.bottom);
right.draw(canvas);
}
}