Add transparent frame around focused stack. (a9a3fb1d) · Commits · e / os / android_frameworks_base

services/java/com/android/server/am/ActivityManagerService.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -218,6 +218,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		static final boolean DEBUG_POWER_QUICK = DEBUG_POWER \|\| false;
		static final boolean DEBUG_MU = localLOGV \|\| false;
		static final boolean DEBUG_IMMERSIVE = localLOGV \|\| false;
		static final boolean DEBUG_STACK = localLOGV \|\| false;
		static final boolean VALIDATE_TOKENS = true;
		static final boolean SHOW_ACTIVITY_START_TIME = true;

services/java/com/android/server/am/ActivityStack.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -82,6 +82,7 @@ final class ActivityStack {
		static final boolean DEBUG_CONFIGURATION = ActivityManagerService.DEBUG_CONFIGURATION;
		static final boolean DEBUG_TASKS = ActivityManagerService.DEBUG_TASKS;
		static final boolean DEBUG_CLEANUP = ActivityManagerService.DEBUG_CLEANUP;
		static final boolean DEBUG_STACK = ActivityManagerService.DEBUG_STACK;

		static final boolean DEBUG_STATES = ActivityStackSupervisor.DEBUG_STATES;
		static final boolean DEBUG_ADD_REMOVE = ActivityStackSupervisor.DEBUG_ADD_REMOVE;
		@@ -2836,6 +2837,8 @@ final class ActivityStack {
		}
		final TaskRecord task = r.task;
		if (task != null && task.removeActivity(r)) {
		if (DEBUG_STACK) Slog.i(TAG,
		"removeActivityFromHistoryLocked: last activity removed from " + this);
		mStackSupervisor.removeTask(task);
		}
		r.takeFromHistory();

services/java/com/android/server/am/ActivityStackSupervisor.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -72,6 +72,8 @@ import java.util.ArrayList;
		import java.util.List;

		public class ActivityStackSupervisor {
		static final boolean DEBUG_STACK = ActivityManagerService.DEBUG_STACK;

		static final boolean DEBUG = ActivityManagerService.DEBUG \|\| false;
		static final boolean DEBUG_ADD_REMOVE = DEBUG \|\| false;
		static final boolean DEBUG_APP = DEBUG \|\| false;
		@@ -237,9 +239,11 @@ public class ActivityStackSupervisor {
		void removeTask(TaskRecord task) {
		final ActivityStack stack = task.stack;
		if (stack.removeTask(task) && !stack.isHomeStack()) {
		if (DEBUG_STACK) Slog.i(TAG, "removeTask: removing stack " + stack);
		mStacks.remove(stack);
		final int stackId = stack.mStackId;
		final int nextStackId = mService.mWindowManager.removeStack(stackId);
		// TODO: Perhaps we need to let the ActivityManager determine the next focus...
		if (mFocusedStack.mStackId == stackId) {
		mFocusedStack = nextStackId == HOME_STACK_ID ? null : getStack(nextStackId);
		}

services/java/com/android/server/wm/FocusedStackFrame.java

0 → 100644

+130 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2013 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.server.wm;

		import static com.android.server.wm.WindowManagerService.DEBUG_STACK;

		import android.graphics.Canvas;
		import android.graphics.Color;
		import android.graphics.PixelFormat;
		import android.graphics.Rect;
		import android.graphics.Region;
		import android.util.Slog;
		import android.view.Display;
		import android.view.Surface;
		import android.view.SurfaceControl;
		import android.view.SurfaceSession;

		class FocusedStackFrame {
		private static final String TAG = "FocusedStackFrame";
		private static final int THICKNESS = 10;
		private static final float ALPHA = 0.3f;

		private final SurfaceControl mSurfaceControl;
		private final Surface mSurface = new Surface();
		private Rect mLastBounds = new Rect();
		private Rect mBounds = new Rect();
		private Rect mTmpDrawRect = new Rect();

		public FocusedStackFrame(Display display, SurfaceSession session) {
		SurfaceControl ctrl = null;
		try {
		ctrl = new SurfaceControl(session, "FocusedStackFrame",
		1, 1, PixelFormat.TRANSLUCENT, SurfaceControl.HIDDEN);
		ctrl.setLayerStack(display.getLayerStack());
		ctrl.setLayer(WindowManagerService.TYPE_LAYER_MULTIPLIER * 102);
		ctrl.setAlpha(ALPHA);
		mSurface.copyFrom(ctrl);
		} catch (SurfaceControl.OutOfResourcesException e) {
		}
		mSurfaceControl = ctrl;
		}

		private void draw(Rect bounds, int color) {
		if (DEBUG_STACK) Slog.i(TAG, "draw: bounds=" + bounds.toShortString() +
		" color=" + Integer.toHexString(color));
		mTmpDrawRect.set(bounds);
		Canvas c = null;
		try {
		c = mSurface.lockCanvas(mTmpDrawRect);
		} catch (IllegalArgumentException e) {
		} catch (Surface.OutOfResourcesException e) {
		}
		if (c == null) {
		return;
		}

		final int w = bounds.width();
		final int h = bounds.height();

		// Top
		mTmpDrawRect.set(0, 0, w, THICKNESS);
		c.clipRect(mTmpDrawRect, Region.Op.REPLACE);
		c.drawColor(color);
		// Left (not including Top or Bottom stripe).
		mTmpDrawRect.set(0, THICKNESS, THICKNESS, h - THICKNESS);
		c.clipRect(mTmpDrawRect, Region.Op.REPLACE);
		c.drawColor(color);
		// Right (not including Top or Bottom stripe).
		mTmpDrawRect.set(w - THICKNESS, THICKNESS, w, h - THICKNESS);
		c.clipRect(mTmpDrawRect, Region.Op.REPLACE);
		c.drawColor(color);
		// Bottom
		mTmpDrawRect.set(0, h - THICKNESS, w, h);
		c.clipRect(mTmpDrawRect, Region.Op.REPLACE);
		c.drawColor(color);

		mSurface.unlockCanvasAndPost(c);
		}

		private void positionSurface(Rect bounds) {
		if (DEBUG_STACK) Slog.i(TAG, "positionSurface: bounds=" + bounds.toShortString());
		mSurfaceControl.setSize(bounds.width(), bounds.height());
		mSurfaceControl.setPosition(bounds.left, bounds.top);
		}

		// Note: caller responsible for being inside
		// Surface.openTransaction() / closeTransaction()
		public void setVisibility(boolean on) {
		if (DEBUG_STACK) Slog.i(TAG, "setVisibility: on=" + on +
		" mLastBounds=" + mLastBounds.toShortString() +
		" mBounds=" + mBounds.toShortString());
		if (mSurfaceControl == null) {
		return;
		}
		if (on) {
		if (!mLastBounds.equals(mBounds)) {
		// Erase the previous rectangle.
		positionSurface(mLastBounds);
		draw(mLastBounds, Color.TRANSPARENT);
		// Draw the latest rectangle.
		positionSurface(mBounds);
		draw(mBounds, Color.WHITE);
		// Update the history.
		mLastBounds.set(mBounds);
		}
		mSurfaceControl.show();
		} else {
		mSurfaceControl.hide();
		}
		}

		public void setBounds(Rect bounds) {
		if (DEBUG_STACK) Slog.i(TAG, "setBounds: bounds=" + bounds);
		mBounds.set(bounds);
		}
		}

services/java/com/android/server/wm/StackBox.java

+8 −1

Original line number	Diff line number	Diff line
		@@ -17,8 +17,11 @@
		package com.android.server.wm;

		import android.graphics.Rect;
		import android.util.Slog;

		import static com.android.server.am.ActivityStackSupervisor.HOME_STACK_ID;
		import static com.android.server.wm.WindowManagerService.DEBUG_STACK;
		import static com.android.server.wm.WindowManagerService.TAG;

		import java.io.PrintWriter;
		import java.util.ArrayList;
		@@ -230,24 +233,28 @@ public class StackBox {
		* @return The first stackId of the resulting StackBox. */
		int remove() {
		if (mStack != null) {
		if (DEBUG_STACK) Slog.i(TAG, "StackBox.remove: removing stackId=" + mStack.mStackId);
		mDisplayContent.mStackHistory.remove(mStack);
		}
		mDisplayContent.layoutNeeded = true;

		if (mParent == null) {
		// This is the top-plane stack.
		if (DEBUG_STACK) Slog.i(TAG, "StackBox.remove: removing top plane.");
		mDisplayContent.removeStackBox(this);
		return HOME_STACK_ID;
		}

		StackBox sibling = isFirstChild() ? mParent.mSecond : mParent.mFirst;
		StackBox grandparent = mParent.mParent;
		sibling.mParent = grandparent;
		if (grandparent == null) {
		// mParent is a top-plane stack. Now sibling will be.
		if (DEBUG_STACK) Slog.i(TAG, "StackBox.remove: grandparent null");
		mDisplayContent.removeStackBox(mParent);
		mDisplayContent.addStackBox(sibling, true);
		} else {
		sibling.mParent = grandparent;
		if (DEBUG_STACK) Slog.i(TAG, "StackBox.remove: grandparent getting sibling");
		if (mParent.isFirstChild()) {
		grandparent.mFirst = sibling;
		} else {