Add workspace page translations for edit state.
Bug: 202971709
Test: manual
Change-Id: Ic807d380053b8cc5aaf521513c308854e1b14a43
diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index be2cd88..baee49f 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -16,6 +16,7 @@
package com.android.launcher3;
import static com.android.launcher3.anim.Interpolators.ACCEL_2;
+import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_OVERVIEW;
import static com.android.launcher3.testing.TestProtocol.ALL_APPS_STATE_ORDINAL;
@@ -91,6 +92,14 @@
}
};
+ protected static final PageTranslationProvider DEFAULT_PAGE_TRANSLATION_PROVIDER =
+ new PageTranslationProvider(DEACCEL_2) {
+ @Override
+ public float getPageTranslation(int pageIndex) {
+ return 0;
+ }
+ };
+
private static final LauncherState[] sAllStates = new LauncherState[10];
/**
@@ -288,6 +297,25 @@
};
}
+ /**
+ * Gets the translation provider for workspace pages.
+ */
+ public PageTranslationProvider getWorkspacePageTranslationProvider(Launcher launcher) {
+ if (this != SPRING_LOADED || !launcher.getDeviceProfile().isTwoPanels) {
+ return DEFAULT_PAGE_TRANSLATION_PROVIDER;
+ }
+ final float quarterPageSpacing = launcher.getWorkspace().getPageSpacing() / 4f;
+ return new PageTranslationProvider(DEACCEL_2) {
+ @Override
+ public float getPageTranslation(int pageIndex) {
+ boolean isRtl = launcher.getWorkspace().mIsRtl;
+ boolean isFirstPage = pageIndex % 2 == 0;
+ return ((isFirstPage && !isRtl) || (!isFirstPage && isRtl)) ? -quarterPageSpacing
+ : quarterPageSpacing;
+ }
+ };
+ }
+
@Override
public LauncherState getHistoryForState(LauncherState previousState) {
// No history is supported
@@ -318,6 +346,23 @@
public abstract float getPageAlpha(int pageIndex);
}
+ /**
+ * Provider for the translation and animation interpolation of workspace pages.
+ */
+ public abstract static class PageTranslationProvider {
+
+ public final Interpolator interpolator;
+
+ public PageTranslationProvider(Interpolator interpolator) {
+ this.interpolator = interpolator;
+ }
+
+ /**
+ * Gets the translation of the workspace page at the provided page index.
+ */
+ public abstract float getPageTranslation(int pageIndex);
+ }
+
public static class ScaleAndTranslation {
public float scale;
public float translationX;
diff --git a/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java b/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
index d94e84c..1e09b2d 100644
--- a/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
+++ b/src/com/android/launcher3/WorkspaceStateTransitionAnimation.java
@@ -39,6 +39,7 @@
import static com.android.launcher3.states.StateAnimationConfig.ANIM_HOTSEAT_TRANSLATE;
import static com.android.launcher3.states.StateAnimationConfig.ANIM_SCRIM_FADE;
import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_FADE;
+import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_PAGE_TRANSLATE_X;
import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_SCALE;
import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_TRANSLATE;
import static com.android.launcher3.states.StateAnimationConfig.SKIP_SCRIM;
@@ -49,6 +50,7 @@
import android.view.animation.Interpolator;
import com.android.launcher3.LauncherState.PageAlphaProvider;
+import com.android.launcher3.LauncherState.PageTranslationProvider;
import com.android.launcher3.LauncherState.ScaleAndTranslation;
import com.android.launcher3.anim.PendingAnimation;
import com.android.launcher3.anim.PropertySetter;
@@ -155,6 +157,12 @@
scaleAndTranslation.translationX, translationInterpolator);
propertySetter.setFloat(mWorkspace, VIEW_TRANSLATE_Y,
scaleAndTranslation.translationY, translationInterpolator);
+ PageTranslationProvider pageTranslationProvider = state.getWorkspacePageTranslationProvider(
+ mLauncher);
+ for (int i = 0; i < childCount; i++) {
+ applyPageTranslation((CellLayout) mWorkspace.getChildAt(i), i, pageTranslationProvider,
+ propertySetter, config);
+ }
Interpolator hotseatTranslationInterpolator = config.getInterpolator(
ANIM_HOTSEAT_TRANSLATE, translationInterpolator);
@@ -202,6 +210,16 @@
pageAlpha, fadeInterpolator);
}
+ private void applyPageTranslation(CellLayout cellLayout, int childIndex,
+ PageTranslationProvider pageTranslationProvider, PropertySetter propertySetter,
+ StateAnimationConfig config) {
+ float pageTranslation = pageTranslationProvider.getPageTranslation(childIndex);
+ Interpolator translationInterpolator = config.getInterpolator(
+ ANIM_WORKSPACE_PAGE_TRANSLATE_X, pageTranslationProvider.interpolator);
+ propertySetter.setFloat(cellLayout, VIEW_TRANSLATE_X, pageTranslation,
+ translationInterpolator);
+ }
+
/**
* Returns a spring based animator for the scale property of {@param workspace}.
*/
diff --git a/src/com/android/launcher3/states/StateAnimationConfig.java b/src/com/android/launcher3/states/StateAnimationConfig.java
index bd6f7d3..f04e685 100644
--- a/src/com/android/launcher3/states/StateAnimationConfig.java
+++ b/src/com/android/launcher3/states/StateAnimationConfig.java
@@ -62,6 +62,7 @@
ANIM_OVERVIEW_MODAL,
ANIM_DEPTH,
ANIM_OVERVIEW_ACTIONS_FADE,
+ ANIM_WORKSPACE_PAGE_TRANSLATE_X,
})
@Retention(RetentionPolicy.SOURCE)
public @interface AnimType {}
@@ -80,8 +81,9 @@
public static final int ANIM_OVERVIEW_MODAL = 12;
public static final int ANIM_DEPTH = 13;
public static final int ANIM_OVERVIEW_ACTIONS_FADE = 14;
+ public static final int ANIM_WORKSPACE_PAGE_TRANSLATE_X = 15;
- private static final int ANIM_TYPES_COUNT = 15;
+ private static final int ANIM_TYPES_COUNT = 16;
protected final Interpolator[] mInterpolators = new Interpolator[ANIM_TYPES_COUNT];