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Responsive caret drawable

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Change-Id: I9d40052d001c80d99db511af6134227f8e4e4239
This commit is contained in:
Hyunyoung Song
2016-07-27 12:48:09 -07:00
committed by Peter Schiller
parent 64035e9ee6
commit 7ccc4625e3
5 changed files with 99 additions and 37 deletions
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76
src/com/android/launcher3/allapps/AllAppsTransitionController.java
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@@ -59,6 +59,8 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
private ObjectAnimator mCaretAnimator;
private final long mCaretAnimationDuration;
private final Interpolator mCaretInterpolator;
private CaretDrawable mCaretDrawable;
private float mLastCaretProgress;
private float mStatusBarHeight;
@@ -76,6 +78,8 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
private float mShiftRange; // changes depending on the orientation
private float mProgress; // [0, 1], mShiftRange * mProgress = shiftCurrent
private float mVelocityForCaret;
private static final float DEFAULT_SHIFT_RANGE = 10;
private static final float RECATCH_REJECTION_FRACTION = .0875f;
@@ -203,8 +207,12 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
if (mAppsView == null) {
return false; // early termination.
}
mVelocityForCaret = velocity;
float shift = Math.min(Math.max(0, mShiftStart + displacement), mShiftRange);
setProgress(shift / mShiftRange);
return true;
}
@@ -329,6 +337,7 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
mWorkspace.setWorkspaceYTranslationAndAlpha(
PARALLAX_COEFFICIENT * (-mShiftRange + shiftCurrent),
interpolation);
updateCaret(progress);
updateLightStatusBar(shiftCurrent);
}
@@ -352,6 +361,7 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
return;
}
if (mDetector.isIdleState()) {
mVelocityForCaret = -VerticalPullDetector.RELEASE_VELOCITY_PX_MS;
preparePull(true);
mAnimationDuration = duration;
mShiftStart = mAppsView.getTranslationY();
@@ -404,7 +414,7 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
@Override
public void onAnimationEnd(Animator animator) {
finishPullDown(false);
finishPullDown();
mDiscoBounceAnimation = null;
mIsTranslateWithoutWorkspace = false;
}
@@ -424,6 +434,7 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
}
Interpolator interpolator;
if (mDetector.isIdleState()) {
mVelocityForCaret = VerticalPullDetector.RELEASE_VELOCITY_PX_MS;
preparePull(true);
mAnimationDuration = duration;
mShiftStart = mAppsView.getTranslationY();
@@ -452,7 +463,7 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
if (canceled) {
return;
} else {
finishPullDown(true);
finishPullDown();
cleanUpAnimation();
mDetector.finishedScrolling();
}
@@ -464,21 +475,14 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
public void finishPullUp() {
mHotseat.setVisibility(View.INVISIBLE);
setProgress(0f);
animateCaret();
}
public void finishPullDown(boolean animated) {
public void finishPullDown() {
mAppsView.setVisibility(View.INVISIBLE);
mHotseat.setBackgroundTransparent(false /* transparent */);
mHotseat.setVisibility(View.VISIBLE);
mAppsView.reset();
setProgress(1f);
if (animated) {
animateCaret();
} else {
mWorkspace.getPageIndicator().getCaretDrawable()
.setLevel(CaretDrawable.LEVEL_CARET_POINTING_UP);
}
}
private void cancelAnimation() {
@@ -501,17 +505,41 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
mCurrentAnimation = null;
}
private void animateCaret() {
private void updateCaret(float shift) {
// Animate to a neutral state by default
float newCaretProgress = CaretDrawable.PROGRESS_CARET_NEUTRAL;
// If we're in portrait and the shift is not 0 or 1, adjust the caret based on velocity
if (0f < shift && shift < 1f && !mLauncher.useVerticalBarLayout()) {
// How fast are we moving as a percentage of the minimum fling velocity?
final float pctOfFlingVelocity = Math.max(-1, Math.min(
mVelocityForCaret / VerticalPullDetector.RELEASE_VELOCITY_PX_MS, 1));
mCaretDrawable.setCaretProgress(pctOfFlingVelocity);
// Set the last caret progress to this progress to prevent animator cancellation
mLastCaretProgress = pctOfFlingVelocity;
} else if (!mDetector.isDraggingState()) {
// Otherwise, if we're not dragging, match the caret to the appropriate state
if (Float.compare(shift, 0f) == 0) { // All Apps is up
newCaretProgress = CaretDrawable.PROGRESS_CARET_POINTING_DOWN;
} else if (Float.compare(shift, 1f) == 0) { // All Apps is down
newCaretProgress = CaretDrawable.PROGRESS_CARET_POINTING_UP;
}
}
// If the new progress is the same as the last progress we animated to, terminate early
if (Float.compare(mLastCaretProgress, newCaretProgress) == 0) {
return;
}
if (mCaretAnimator.isRunning()) {
mCaretAnimator.cancel(); // stop the animator in its tracks
}
if (mLauncher.isAllAppsVisible()) {
mCaretAnimator.setIntValues(CaretDrawable.LEVEL_CARET_POINTING_DOWN);
} else {
mCaretAnimator.setIntValues(CaretDrawable.LEVEL_CARET_POINTING_UP);
mCaretAnimator.cancel(); // Stop the animator in its tracks
}
// Update the progress and start the animation
mLastCaretProgress = newCaretProgress;
mCaretAnimator.setFloatValues(newCaretProgress);
mCaretAnimator.start();
}
@@ -519,12 +547,14 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
mAppsView = appsView;
mHotseat = hotseat;
mWorkspace = workspace;
mCaretAnimator = ObjectAnimator.ofInt(mWorkspace.getPageIndicator().getCaretDrawable(),
"level", CaretDrawable.LEVEL_CARET_POINTING_UP); // we will set values later
mCaretAnimator.setDuration(mCaretAnimationDuration);
mCaretAnimator.setInterpolator(mCaretInterpolator);
mCaretDrawable = mWorkspace.getPageIndicator().getCaretDrawable();
mHotseat.addOnLayoutChangeListener(this);
mHotseat.bringToFront();
// we will set values later
mCaretAnimator = ObjectAnimator.ofFloat(mCaretDrawable, "caretProgress", 0);
mCaretAnimator.setDuration(mCaretAnimationDuration);
mCaretAnimator.setInterpolator(mCaretInterpolator);
}
@Override
@@ -537,6 +567,4 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
}
setProgress(mProgress);
}
}