Use SurfaceView to render grid preview (85f0c3b8) · Commits · e / os / android_packages_apps_Trebuchet

quickstep/src/com/android/launcher3/uioverrides/PreviewSurfaceRenderer.java

0 → 100644

+45 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2020 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.launcher3.uioverrides;

		import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;

		import android.content.Context;
		import android.os.Bundle;
		import android.util.Size;
		import android.view.View;

		import com.android.launcher3.InvariantDeviceProfile;
		import com.android.launcher3.graphics.LauncherPreviewRenderer;
		import com.android.systemui.shared.system.SurfaceViewRequestReceiver;

		/** Render preview using surface view. */
		public class PreviewSurfaceRenderer {

		/** Handle a received surface view request. */
		public static void render(Context context, Bundle bundle) {
		final String gridName = bundle.getString("name");
		bundle.remove("name");
		final InvariantDeviceProfile idp = new InvariantDeviceProfile(context, gridName);

		MAIN_EXECUTOR.execute(() -> {
		View view = new LauncherPreviewRenderer(context, idp).getRenderedView();
		new SurfaceViewRequestReceiver().onReceive(context, bundle, view,
		new Size(view.getMeasuredWidth(), view.getMeasuredHeight()));
		});
		}
		}

src/com/android/launcher3/config/FeatureFlags.java

+4 −2

Original line number	Diff line number	Diff line
		@@ -131,8 +131,10 @@ public final class FeatureFlags {
		"MULTI_DB_GRID_MIRATION_ALGO", false, "Use the multi-db grid migration algorithm");

		public static final BooleanFlag ENABLE_LAUNCHER_PREVIEW_IN_GRID_PICKER = getDebugFlag(
		"ENABLE_LAUNCHER_PREVIEW_IN_GRID_PICKER", true,
		"Show launcher preview in grid picker");
		"ENABLE_LAUNCHER_PREVIEW_IN_GRID_PICKER", true, "Show launcher preview in grid picker");

		public static final BooleanFlag USE_SURFACE_VIEW_FOR_GRID_PREVIEW = getDebugFlag(
		"USE_SURFACE_VIEW_FOR_GRID_PREVIEW", false, "Use surface view for grid preview");

		public static final BooleanFlag ENABLE_OVERVIEW_ACTIONS = getDebugFlag(
		"ENABLE_OVERVIEW_ACTIONS", true, "Show app actions instead of the shelf in Overview."

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

+21 −0

Original line number	Diff line number	Diff line
		package com.android.launcher3.graphics;

		import static com.android.launcher3.config.FeatureFlags.USE_SURFACE_VIEW_FOR_GRID_PREVIEW;
		import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;

		import android.content.ContentProvider;
		@@ -19,6 +20,7 @@ import android.util.Xml;
		import com.android.launcher3.InvariantDeviceProfile;
		import com.android.launcher3.InvariantDeviceProfile.GridOption;
		import com.android.launcher3.R;
		import com.android.launcher3.uioverrides.PreviewSurfaceRenderer;

		import org.xmlpull.v1.XmlPullParser;
		import org.xmlpull.v1.XmlPullParserException;
		@@ -62,6 +64,11 @@ public class GridOptionsProvider extends ContentProvider {
		private static final String KEY_PREVIEW = "preview";
		private static final String MIME_TYPE_PNG = "image/png";

		private static final String METHOD_GET_PREVIEW = "get_preview";
		private static final String METADATA_KEY_PREVIEW_VERSION = "preview_version";



		public static final PipeDataWriter<Future<Bitmap>> BITMAP_WRITER =
		new PipeDataWriter<Future<Bitmap>>() {
		@Override
		@@ -98,6 +105,10 @@ public class GridOptionsProvider extends ContentProvider {
		.add(KEY_IS_DEFAULT, idp.numColumns == gridOption.numColumns
		&& idp.numRows == gridOption.numRows);
		}
		Bundle metadata = new Bundle();
		metadata.putString(METADATA_KEY_PREVIEW_VERSION,
		USE_SURFACE_VIEW_FOR_GRID_PREVIEW.get() ? "V2" : "V1");
		cursor.setExtras(metadata);
		return cursor;
		}

		@@ -188,4 +199,14 @@ public class GridOptionsProvider extends ContentProvider {
		throw new FileNotFoundException(e.getMessage());
		}
		}

		@Override
		public Bundle call(String method, String arg, Bundle extras) {
		if (!METHOD_GET_PREVIEW.equals(method)) {
		return null;
		}

		PreviewSurfaceRenderer.render(getContext(), extras);
		return null;
		}
		}

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

+11 −1

Original line number	Diff line number	Diff line
		@@ -262,6 +262,13 @@ public class LauncherPreviewRenderer implements Callable<Bitmap> {
		});
		}

		/** Populate preview and render it. */
		public View getRenderedView() {
		MainThreadRenderer renderer = new MainThreadRenderer(mContext);
		renderer.populate();
		return renderer.mRootView;
		}

		private class MainThreadRenderer extends ContextThemeWrapper
		implements ActivityContext, WorkspaceLayoutManager, LayoutInflater.Factory2 {

		@@ -388,7 +395,7 @@ public class LauncherPreviewRenderer implements Callable<Bitmap> {
		}
		}

		private void renderScreenShot(Canvas canvas) {
		private void populate() {
		if (ENABLE_LAUNCHER_PREVIEW_IN_GRID_PICKER.get()) {
		boolean needsToMigrate = needsToMigrate(mContext, mIdp);
		boolean success = false;
		@@ -499,7 +506,10 @@ public class LauncherPreviewRenderer implements Callable<Bitmap> {
		measureView(mRootView, mDp.widthPx, mDp.heightPx);
		// Additional measure for views which use auto text size API
		measureView(mRootView, mDp.widthPx, mDp.heightPx);
		}

		private void renderScreenShot(Canvas canvas) {
		populate();
		mRootView.draw(canvas);
		dispatchVisibilityAggregated(mRootView, false);
		}

src_ui_overrides/com/android/launcher3/uioverrides/PreviewSurfaceRenderer.java

0 → 100644

+27 −0

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		/*
		* Copyright (C) 2020 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.launcher3.uioverrides;

		import android.content.Context;
		import android.os.Bundle;

		/** Render preview using surface view. */
		public class PreviewSurfaceRenderer {

		/** Handle a received surface view request. */
		public static void render(Context context, Bundle bundle) { }
		}