Merge "Ensure pinned animation scaling is consistently applied." into nyc-dev

This commit is contained in:
TreeHugger Robot
2016-06-08 20:08:37 +00:00
committed by Android (Google) Code Review

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@@ -230,6 +230,14 @@ class WindowStateAnimator {
boolean mForceScaleUntilResize;
// WindowState.mHScale and WindowState.mVScale contain the
// scale according to client specified layout parameters (e.g.
// one layout size, with another surface size, creates such scaling).
// Here we track an additional scaling factor used to follow stack
// scaling (as in the case of the Pinned stack animation).
float mExtraHScale = (float) 1.0;
float mExtraVScale = (float) 1.0;
private final Rect mTmpSize = new Rect();
WindowStateAnimator(final WindowState win) {
@@ -1397,8 +1405,8 @@ class WindowStateAnimator {
mTmpSize.set(w.mShownPosition.x, w.mShownPosition.y, 0, 0);
calculateSurfaceBounds(w, w.getAttrs());
float extraHScale = (float) 1.0;
float extraVScale = (float) 1.0;
mExtraHScale = (float) 1.0;
mExtraVScale = (float) 1.0;
// Once relayout has been called at least once, we need to make sure
// we only resize the client surface during calls to relayout. For
@@ -1429,23 +1437,23 @@ class WindowStateAnimator {
float surfaceHeight = mSurfaceController.getHeight();
// We want to calculate the scaling based on the content area, not based on
// the entire surface, so that we scale in sync with windows that don't have insets.
extraHScale = (mTmpClipRect.width() - hInsets) / (float)(surfaceWidth - hInsets);
extraVScale = (mTmpClipRect.height() - vInsets) / (float)(surfaceHeight - vInsets);
mExtraHScale = (mTmpClipRect.width() - hInsets) / (float)(surfaceWidth - hInsets);
mExtraVScale = (mTmpClipRect.height() - vInsets) / (float)(surfaceHeight - vInsets);
// In the case of ForceScaleToCrop we scale entire tasks together,
// and so we need to scale our offsets relative to the task bounds
// or parent and child windows would fall out of alignment.
int posX = (int) (mTmpSize.left - w.mAttrs.x * (1 - extraHScale));
int posY = (int) (mTmpSize.top - w.mAttrs.y * (1 - extraVScale));
int posX = (int) (mTmpSize.left - w.mAttrs.x * (1 - mExtraHScale));
int posY = (int) (mTmpSize.top - w.mAttrs.y * (1 - mExtraVScale));
// Imagine we are scaling down. As we scale the buffer down, we decrease the
// distance between the surface top left, and the start of the surface contents
// (previously it was surfaceInsets.left pixels in screen space but now it
// will be surfaceInsets.left*extraHScale). This means in order to keep the
// will be surfaceInsets.left*mExtraHScale). This means in order to keep the
// non inset content at the same position, we have to shift the whole window
// forward. Likewise for scaling up, we've increased this distance, and we need
// to shift by a negative number to compensate.
posX += w.getAttrs().surfaceInsets.left * (1 - extraHScale);
posY += w.getAttrs().surfaceInsets.top * (1 - extraVScale);
posX += w.getAttrs().surfaceInsets.left * (1 - mExtraHScale);
posY += w.getAttrs().surfaceInsets.top * (1 - mExtraVScale);
mSurfaceController.setPositionInTransaction(posX, posY, recoveringMemory);
@@ -1469,10 +1477,10 @@ class WindowStateAnimator {
updateSurfaceWindowCrop(mTmpClipRect, mTmpFinalClipRect, recoveringMemory);
mSurfaceController.setMatrixInTransaction(mDsDx * w.mHScale * extraHScale,
mDtDx * w.mVScale * extraVScale,
mDsDy * w.mHScale * extraHScale,
mDtDy * w.mVScale * extraVScale, recoveringMemory);
mSurfaceController.setMatrixInTransaction(mDsDx * w.mHScale * mExtraHScale,
mDtDx * w.mVScale * mExtraVScale,
mDsDy * w.mHScale * mExtraHScale,
mDtDy * w.mVScale * mExtraVScale, recoveringMemory);
if (mSurfaceResized) {
mReportSurfaceResized = true;
@@ -1558,8 +1566,10 @@ class WindowStateAnimator {
boolean prepared =
mSurfaceController.prepareToShowInTransaction(mShownAlpha, mAnimLayer,
mDsDx * w.mHScale, mDtDx * w.mVScale,
mDsDy * w.mHScale, mDtDy * w.mVScale,
mDsDx * w.mHScale * mExtraHScale,
mDtDx * w.mVScale * mExtraVScale,
mDsDy * w.mHScale * mExtraHScale,
mDtDy * w.mVScale * mExtraVScale,
recoveringMemory);
if (prepared && mLastHidden && mDrawState == HAS_DRAWN) {