Merge "Some improvements to home to overview transition for 0 button mode" into ub-launcher3-qt-dev

4 files changed, 72 insertions, 68 deletions

diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index 148064889..dcfd272b4 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -17,7 +17,18 @@ package com.android.launcher3;
 
 import static android.view.View.IMPORTANT_FOR_ACCESSIBILITY_AUTO;
 import static android.view.View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS;
+import static android.view.View.VISIBLE;
 import static android.view.accessibility.AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED;
+
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_FADE;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_SCALE;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_TRANSLATE_X;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_FADE;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_SCALE;
+import static com.android.launcher3.anim.Interpolators.ACCEL;
+import static com.android.launcher3.anim.Interpolators.DEACCEL;
+import static com.android.launcher3.anim.Interpolators.DEACCEL_1_7;
+import static com.android.launcher3.anim.Interpolators.clampToProgress;
 import static com.android.launcher3.testing.TestProtocol.ALL_APPS_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.BACKGROUND_APP_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.NORMAL_STATE_ORDINAL;
@@ -30,11 +41,11 @@ import static com.android.launcher3.states.RotationHelper.REQUEST_NONE;
 
 import android.view.animation.Interpolator;
 
+import com.android.launcher3.anim.AnimatorSetBuilder;
 import com.android.launcher3.states.SpringLoadedState;
 import com.android.launcher3.uioverrides.UiFactory;
 import com.android.launcher3.uioverrides.states.AllAppsState;
 import com.android.launcher3.uioverrides.states.OverviewState;
-import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 
 import java.util.Arrays;
@@ -272,6 +283,46 @@ public class LauncherState {
         }
     }
 
+    /**
+     * Prepares for a non-user controlled animation from fromState to this state. Preparations
+     * include:
+     * - Setting interpolators for various animations included in the state transition.
+     * - Setting some start values (e.g. scale) for views that are hidden but about to be shown.
+     */
+    public void prepareForAtomicAnimation(Launcher launcher, LauncherState fromState,
+            AnimatorSetBuilder builder) {
+        if (this == NORMAL && fromState == OVERVIEW) {
+            builder.setInterpolator(ANIM_WORKSPACE_SCALE, DEACCEL);
+            builder.setInterpolator(ANIM_WORKSPACE_FADE, ACCEL);
+            builder.setInterpolator(ANIM_OVERVIEW_SCALE, clampToProgress(ACCEL, 0, 0.9f));
+            builder.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, ACCEL);
+            builder.setInterpolator(ANIM_OVERVIEW_FADE, DEACCEL_1_7);
+            Workspace workspace = launcher.getWorkspace();
+
+            // Start from a higher workspace scale, but only if we're invisible so we don't jump.
+            boolean isWorkspaceVisible = workspace.getVisibility() == VISIBLE;
+            if (isWorkspaceVisible) {
+                CellLayout currentChild = (CellLayout) workspace.getChildAt(
+                        workspace.getCurrentPage());
+                isWorkspaceVisible = currentChild.getVisibility() == VISIBLE
+                        && currentChild.getShortcutsAndWidgets().getAlpha() > 0;
+            }
+            if (!isWorkspaceVisible) {
+                workspace.setScaleX(0.92f);
+                workspace.setScaleY(0.92f);
+            }
+            Hotseat hotseat = launcher.getHotseat();
+            boolean isHotseatVisible = hotseat.getVisibility() == VISIBLE && hotseat.getAlpha() > 0;
+            if (!isHotseatVisible) {
+                hotseat.setScaleX(0.92f);
+                hotseat.setScaleY(0.92f);
+            }
+        } else if (this == NORMAL && fromState == OVERVIEW_PEEK) {
+            // Keep fully visible until the very end (when overview is offscreen) to make invisible.
+            builder.setInterpolator(ANIM_OVERVIEW_FADE, t -> t < 1 ? 0 : 1);
+        }
+    }
+
     protected static void dispatchWindowStateChanged(Launcher launcher) {
         launcher.getWindow().getDecorView().sendAccessibilityEvent(TYPE_WINDOW_STATE_CHANGED);
     }
diff --git a/src/com/android/launcher3/LauncherStateManager.java b/src/com/android/launcher3/LauncherStateManager.java
index 4425e2af6..505918e09 100644
--- a/src/com/android/launcher3/LauncherStateManager.java
+++ b/src/com/android/launcher3/LauncherStateManager.java
@@ -16,23 +16,7 @@
 
 package com.android.launcher3;
 
-import static android.view.View.VISIBLE;
-
 import static com.android.launcher3.LauncherState.NORMAL;
-import static com.android.launcher3.LauncherState.OVERVIEW;
-import static com.android.launcher3.LauncherState.OVERVIEW_PEEK;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_FADE;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_SCALE;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_TRANSLATE_X;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_FADE;
-import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_SCALE;
-import static com.android.launcher3.anim.Interpolators.ACCEL;
-import static com.android.launcher3.anim.Interpolators.DEACCEL;
-import static com.android.launcher3.anim.Interpolators.DEACCEL_1_7;
-import static com.android.launcher3.anim.Interpolators.INSTANT;
-import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_2;
-import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_7;
-import static com.android.launcher3.anim.Interpolators.clampToProgress;
 import static com.android.launcher3.anim.PropertySetter.NO_ANIM_PROPERTY_SETTER;
 
 import android.animation.Animator;
@@ -42,8 +26,6 @@ import android.os.Handler;
 import android.os.Looper;
 import android.util.Log;
 
-import androidx.annotation.IntDef;
-
 import com.android.launcher3.anim.AnimationSuccessListener;
 import com.android.launcher3.anim.AnimatorPlaybackController;
 import com.android.launcher3.anim.AnimatorSetBuilder;
@@ -58,6 +40,8 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
 
+import androidx.annotation.IntDef;
+
 /**
  * TODO: figure out what kind of tests we can write for this
  *
@@ -314,47 +298,7 @@ public class LauncherStateManager {
      */
     public void prepareForAtomicAnimation(LauncherState fromState, LauncherState toState,
             AnimatorSetBuilder builder) {
-        if (fromState == NORMAL && toState == OVERVIEW) {
-            builder.setInterpolator(ANIM_WORKSPACE_SCALE, OVERSHOOT_1_2);
-            builder.setInterpolator(ANIM_WORKSPACE_FADE, OVERSHOOT_1_2);
-            builder.setInterpolator(ANIM_OVERVIEW_SCALE, OVERSHOOT_1_2);
-            builder.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, OVERSHOOT_1_7);
-            builder.setInterpolator(ANIM_OVERVIEW_FADE, OVERSHOOT_1_2);
-
-            // Start from a higher overview scale, but only if we're invisible so we don't jump.
-            UiFactory.prepareToShowOverview(mLauncher);
-        } else if (fromState == OVERVIEW && toState == NORMAL) {
-            builder.setInterpolator(ANIM_WORKSPACE_SCALE, DEACCEL);
-            builder.setInterpolator(ANIM_WORKSPACE_FADE, ACCEL);
-            builder.setInterpolator(ANIM_OVERVIEW_SCALE, clampToProgress(ACCEL, 0, 0.9f));
-            builder.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, ACCEL);
-            builder.setInterpolator(ANIM_OVERVIEW_FADE, DEACCEL_1_7);
-            Workspace workspace = mLauncher.getWorkspace();
-
-            // Start from a higher workspace scale, but only if we're invisible so we don't jump.
-            boolean isWorkspaceVisible = workspace.getVisibility() == VISIBLE;
-            if (isWorkspaceVisible) {
-                CellLayout currentChild = (CellLayout) workspace.getChildAt(
-                        workspace.getCurrentPage());
-                isWorkspaceVisible = currentChild.getVisibility() == VISIBLE
-                        && currentChild.getShortcutsAndWidgets().getAlpha() > 0;
-            }
-            if (!isWorkspaceVisible) {
-                workspace.setScaleX(0.92f);
-                workspace.setScaleY(0.92f);
-            }
-            Hotseat hotseat = workspace.getHotseat();
-            boolean isHotseatVisible = hotseat.getVisibility() == VISIBLE && hotseat.getAlpha() > 0;
-            if (!isHotseatVisible) {
-                hotseat.setScaleX(0.92f);
-                hotseat.setScaleY(0.92f);
-            }
-        } else if (fromState == NORMAL && toState == OVERVIEW_PEEK) {
-            builder.setInterpolator(ANIM_OVERVIEW_FADE, INSTANT);
-        } else if (fromState == OVERVIEW_PEEK && toState == NORMAL) {
-            // Keep fully visible until the very end (when overview is offscreen) to make invisible.
-            builder.setInterpolator(ANIM_OVERVIEW_FADE, t -> t < 1 ? 0 : 1);
-        }
+        toState.prepareForAtomicAnimation(mLauncher, fromState, builder);
     }
 
     public AnimatorSet createAtomicAnimation(LauncherState fromState, LauncherState toState,
diff --git a/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java b/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
index 065d06568..40c6b5f1b 100644
--- a/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
+++ b/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
@@ -19,6 +19,8 @@ package com.android.launcher3;
 import static com.android.launcher3.LauncherAnimUtils.DRAWABLE_ALPHA;
 import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY;
 import static com.android.launcher3.LauncherState.HOTSEAT_ICONS;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_HOTSEAT_SCALE;
+import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_HOTSEAT_TRANSLATE;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_FADE;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_SCALE;
 import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_WORKSPACE_TRANSLATE;
@@ -104,7 +106,10 @@ public class WorkspaceStateTransitionAnimation {
                 hotseat.setPivotY(workspacePivot[1]);
             }
             float hotseatScale = hotseatScaleAndTranslation.scale;
-            propertySetter.setFloat(hotseat, SCALE_PROPERTY, hotseatScale, scaleInterpolator);
+            Interpolator hotseatScaleInterpolator = builder.getInterpolator(ANIM_HOTSEAT_SCALE,
+                    scaleInterpolator);
+            propertySetter.setFloat(hotseat, SCALE_PROPERTY, hotseatScale,
+                    hotseatScaleInterpolator);
 
             float hotseatIconsAlpha = (elements & HOTSEAT_ICONS) != 0 ? 1 : 0;
             propertySetter.setViewAlpha(hotseat, hotseatIconsAlpha, fadeInterpolator);
@@ -125,10 +130,12 @@ public class WorkspaceStateTransitionAnimation {
         propertySetter.setFloat(mWorkspace, View.TRANSLATION_Y,
                 scaleAndTranslation.translationY, translationInterpolator);
 
+        Interpolator hotseatTranslationInterpolator = builder.getInterpolator(
+                ANIM_HOTSEAT_TRANSLATE, translationInterpolator);
         propertySetter.setFloat(hotseat, View.TRANSLATION_Y,
-                hotseatScaleAndTranslation.translationY, translationInterpolator);
+                hotseatScaleAndTranslation.translationY, hotseatTranslationInterpolator);
         propertySetter.setFloat(mWorkspace.getPageIndicator(), View.TRANSLATION_Y,
-                hotseatScaleAndTranslation.translationY, translationInterpolator);
+                hotseatScaleAndTranslation.translationY, hotseatTranslationInterpolator);
 
         setScrim(propertySetter, state);
     }
diff --git a/src/com/android/launcher3/anim/AnimatorSetBuilder.java b/src/com/android/launcher3/anim/AnimatorSetBuilder.java
index 5c498f8bb..52a896eda 100644
--- a/src/com/android/launcher3/anim/AnimatorSetBuilder.java
+++ b/src/com/android/launcher3/anim/AnimatorSetBuilder.java
@@ -32,11 +32,13 @@ public class AnimatorSetBuilder {
     public static final int ANIM_WORKSPACE_SCALE = 1;
     public static final int ANIM_WORKSPACE_TRANSLATE = 2;
     public static final int ANIM_WORKSPACE_FADE = 3;
-    public static final int ANIM_OVERVIEW_SCALE = 4;
-    public static final int ANIM_OVERVIEW_TRANSLATE_X = 5;
-    public static final int ANIM_OVERVIEW_TRANSLATE_Y = 6;
-    public static final int ANIM_OVERVIEW_FADE = 7;
-    public static final int ANIM_ALL_APPS_FADE = 8;
+    public static final int ANIM_HOTSEAT_SCALE = 4;
+    public static final int ANIM_HOTSEAT_TRANSLATE = 5;
+    public static final int ANIM_OVERVIEW_SCALE = 6;
+    public static final int ANIM_OVERVIEW_TRANSLATE_X = 7;
+    public static final int ANIM_OVERVIEW_TRANSLATE_Y = 8;
+    public static final int ANIM_OVERVIEW_FADE = 9;
+    public static final int ANIM_ALL_APPS_FADE = 10;
 
     public static final int FLAG_DONT_ANIMATE_OVERVIEW = 1 << 0;