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Add translation component to swipe up resistance

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Now recents view follows your finger all the way to the top of the
screen. Specifically, your finger tracks the bottom of the window
until resistance starts (when RecentsView is at 75% scale), then
we add translation to compensate for the slower rate of scaling
down, such that your finger slips to the top of the window by the
time it reaches the top of the screen.

Also reset this translation back to 0 in the state handlers.

Bug: 149934536
Fixes: 158701272
Change-Id: Iaee58da758d422f0173c29d002f5c451ce0c1809
This commit is contained in:
Tony Wickham
2020-07-01 17:25:28 -07:00
parent 3f20e33af6
commit ce8b2b5180
12 changed files with 78 additions and 13 deletions
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5
quickstep/src/com/android/launcher3/uioverrides/BaseRecentsViewStateController.java
View File

@@ -24,11 +24,13 @@ import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_MO
import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SCALE;
import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SCRIM_FADE;
import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_X;
import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_Y;
import static com.android.launcher3.states.StateAnimationConfig.PLAY_ATOMIC_OVERVIEW_PEEK;
import static com.android.launcher3.states.StateAnimationConfig.PLAY_ATOMIC_OVERVIEW_SCALE;
import static com.android.launcher3.states.StateAnimationConfig.SKIP_OVERVIEW;
import static com.android.quickstep.views.RecentsView.ADJACENT_PAGE_OFFSET;
import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY;
import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_TRANSLATION;
import android.util.FloatProperty;
@@ -63,6 +65,7 @@ public abstract class BaseRecentsViewStateController<T extends RecentsView>
float[] scaleAndOffset = state.getOverviewScaleAndOffset(mLauncher);
RECENTS_SCALE_PROPERTY.set(mRecentsView, scaleAndOffset[0]);
ADJACENT_PAGE_OFFSET.set(mRecentsView, scaleAndOffset[1]);
TASK_SECONDARY_TRANSLATION.set(mRecentsView, 0f);
getContentAlphaProperty().set(mRecentsView, state.overviewUi ? 1f : 0);
OverviewScrim scrim = mLauncher.getDragLayer().getOverviewScrim();
@@ -97,6 +100,8 @@ public abstract class BaseRecentsViewStateController<T extends RecentsView>
config.getInterpolator(ANIM_OVERVIEW_SCALE, LINEAR));
setter.setFloat(mRecentsView, ADJACENT_PAGE_OFFSET, scaleAndOffset[1],
config.getInterpolator(ANIM_OVERVIEW_TRANSLATE_X, LINEAR));
setter.setFloat(mRecentsView, TASK_SECONDARY_TRANSLATION, 0f,
config.getInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, LINEAR));
setter.setFloat(mRecentsView, getContentAlphaProperty(), toState.overviewUi ? 1 : 0,
config.getInterpolator(ANIM_OVERVIEW_FADE, AGGRESSIVE_EASE_IN_OUT));