commit ccb71776c64c48f87158f851a0a4b4dda563e630
author Chihhang Chuang <chihhangchuang@google.com> Thu May 20 01:50:03 2021 +0800
committer Chihhang Chuang <chihhangchuang@google.com> Fri May 21 14:41:37 2021 +0800
tree 03e647e4b987dbd3846bf6bc6a54767b5ef1956a
parent fd3ad5d769fb82705033069cf8e08249721f2faa

Apply the current system window insets to launcher preview

For wallpaper picker, the position of app icon on the wallpaper preview would match to the launcher after applying the wallpaper.

Wallpaper picker: https://screenshot.googleplex.com/JZazpgZLgzacZMZ.png
Launcher: https://screenshot.googleplex.com/9uTTQwdmcnFZ7Vi.png
Gesture mode: https://screenshot.googleplex.com/3YaKbBerYgtHBFb.png
3-button mode: https://screenshot.googleplex.com/7sA5nE3GmbuKf62.png

Fixes: 188539072
Test: Manually
Change-Id: I553000e6ae646207eb94fa33e97d00a3990043c8

src/com/android/launcher3/graphics/LauncherPreviewRenderer.java

diff --git a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
index 5f014db..2a1aec8 100644
--- a/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
+++ b/src/com/android/launcher3/graphics/LauncherPreviewRenderer.java
@@ -45,6 +45,8 @@
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.WindowInsets;
+import android.view.WindowManager;
 import android.widget.TextClock;
 
 import com.android.launcher3.BubbleTextView;
@@ -56,6 +58,7 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings.Favorites;
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.WorkspaceLayoutManager;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.folder.FolderIcon;
@@ -205,10 +208,19 @@
         mIdp = idp;
         mDp = idp.getDeviceProfile(context).copy(context);
 
-        // TODO: get correct insets once display cutout API is available.
-        mInsets = new Rect();
-        mInsets.left = mInsets.right = (mDp.widthPx - mDp.availableWidthPx) / 2;
-        mInsets.top = mInsets.bottom = (mDp.heightPx - mDp.availableHeightPx) / 2;
+        if (Utilities.ATLEAST_R) {
+            WindowInsets currentWindowInsets = context.getSystemService(WindowManager.class)
+                    .getCurrentWindowMetrics().getWindowInsets();
+            mInsets = new Rect(
+                    currentWindowInsets.getSystemWindowInsetLeft(),
+                    currentWindowInsets.getSystemWindowInsetTop(),
+                    currentWindowInsets.getSystemWindowInsetRight(),
+                    currentWindowInsets.getSystemWindowInsetBottom());
+        } else {
+            mInsets = new Rect();
+            mInsets.left = mInsets.right = (mDp.widthPx - mDp.availableWidthPx) / 2;
+            mInsets.top = mInsets.bottom = (mDp.heightPx - mDp.availableHeightPx) / 2;
+        }
         mDp.updateInsets(mInsets);
 
         BaseIconFactory iconFactory =

src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java

diff --git a/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java b/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
index 8c39eae..a8c3d15 100644
--- a/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
+++ b/src/com/android/launcher3/graphics/PreviewSurfaceRenderer.java
@@ -32,6 +32,7 @@
 import android.view.SurfaceControlViewHost;
 import android.view.SurfaceControlViewHost.SurfacePackage;
 import android.view.View;
+import android.view.WindowManager.LayoutParams;
 import android.view.animation.AccelerateDecelerateInterpolator;
 
 import androidx.annotation.UiThread;
@@ -41,6 +42,7 @@
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.graphics.LauncherPreviewRenderer.PreviewContext;
 import com.android.launcher3.model.BgDataModel;
 import com.android.launcher3.model.GridSizeMigrationTask;
@@ -139,6 +141,10 @@
         if (mWallpaperColors != null) {
             // Create a themed context, without affecting the main application context
             Context context = mContext.createDisplayContext(mDisplay);
+            if (Utilities.ATLEAST_R) {
+                context = context.createWindowContext(
+                        LayoutParams.TYPE_APPLICATION_OVERLAY, null);
+            }
             LocalColorExtractor.newInstance(mContext)
                     .applyColorsOverride(context, mWallpaperColors);
             inflationContext = new ContextThemeWrapper(context,