/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.wm;
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import static android.app.ActivityTaskManager.RESIZE_MODE_USER;
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import static android.app.ActivityTaskManager.RESIZE_MODE_USER_FORCED;
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import static android.os.Trace.TRACE_TAG_WINDOW_MANAGER;
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import static com.android.server.wm.DragResizeMode.DRAG_RESIZE_MODE_FREEFORM;
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import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ORIENTATION;
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import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TASK_POSITIONING;
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import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;
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import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
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import static com.android.server.wm.WindowManagerService.dipToPixel;
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import static com.android.server.wm.WindowState.MINIMUM_VISIBLE_HEIGHT_IN_DP;
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import static com.android.server.wm.WindowState.MINIMUM_VISIBLE_WIDTH_IN_DP;
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import android.annotation.IntDef;
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import android.app.IActivityTaskManager;
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import android.graphics.Point;
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import android.graphics.Rect;
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import android.os.Binder;
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import android.os.IBinder;
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import android.os.Looper;
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import android.os.Process;
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import android.os.RemoteException;
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import android.os.Trace;
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import android.util.DisplayMetrics;
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import android.util.Slog;
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import android.view.BatchedInputEventReceiver;
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import android.view.Choreographer;
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import android.view.Display;
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import android.view.InputApplicationHandle;
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import android.view.InputChannel;
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import android.view.InputDevice;
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import android.view.InputEvent;
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import android.view.InputWindowHandle;
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import android.view.MotionEvent;
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import android.view.WindowManager;
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import com.android.internal.annotations.VisibleForTesting;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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class TaskPositioner implements IBinder.DeathRecipient {
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private static final boolean DEBUG_ORIENTATION_VIOLATIONS = false;
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private static final String TAG_LOCAL = "TaskPositioner";
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private static final String TAG = TAG_WITH_CLASS_NAME ? TAG_LOCAL : TAG_WM;
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private static Factory sFactory;
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// The margin the pointer position has to be within the side of the screen to be
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// considered at the side of the screen.
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static final int SIDE_MARGIN_DIP = 100;
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@IntDef(flag = true,
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value = {
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CTRL_NONE,
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CTRL_LEFT,
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CTRL_RIGHT,
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CTRL_TOP,
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CTRL_BOTTOM
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})
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@Retention(RetentionPolicy.SOURCE)
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@interface CtrlType {}
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private static final int CTRL_NONE = 0x0;
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private static final int CTRL_LEFT = 0x1;
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private static final int CTRL_RIGHT = 0x2;
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private static final int CTRL_TOP = 0x4;
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private static final int CTRL_BOTTOM = 0x8;
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public static final float RESIZING_HINT_ALPHA = 0.5f;
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public static final int RESIZING_HINT_DURATION_MS = 0;
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// The minimal aspect ratio which needs to be met to count as landscape (or 1/.. for portrait).
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// Note: We do not use the 1.33 from the CDD here since the user is allowed to use what ever
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// aspect he desires.
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@VisibleForTesting
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static final float MIN_ASPECT = 1.2f;
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private final WindowManagerService mService;
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private final IActivityTaskManager mActivityManager;
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private WindowPositionerEventReceiver mInputEventReceiver;
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private DisplayContent mDisplayContent;
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private final DisplayMetrics mDisplayMetrics = new DisplayMetrics();
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private Rect mTmpRect = new Rect();
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private int mSideMargin;
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private int mMinVisibleWidth;
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private int mMinVisibleHeight;
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@VisibleForTesting
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Task mTask;
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private boolean mResizing;
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private boolean mPreserveOrientation;
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private boolean mStartOrientationWasLandscape;
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private final Rect mWindowOriginalBounds = new Rect();
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private final Rect mWindowDragBounds = new Rect();
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private final Point mMaxVisibleSize = new Point();
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private float mStartDragX;
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private float mStartDragY;
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@CtrlType
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private int mCtrlType = CTRL_NONE;
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@VisibleForTesting
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boolean mDragEnded;
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IBinder mClientCallback;
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InputChannel mServerChannel;
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InputChannel mClientChannel;
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InputApplicationHandle mDragApplicationHandle;
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InputWindowHandle mDragWindowHandle;
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private final class WindowPositionerEventReceiver extends BatchedInputEventReceiver {
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public WindowPositionerEventReceiver(
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InputChannel inputChannel, Looper looper, Choreographer choreographer) {
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super(inputChannel, looper, choreographer);
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}
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@Override
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public void onInputEvent(InputEvent event) {
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if (!(event instanceof MotionEvent)
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|| (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) == 0) {
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return;
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}
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final MotionEvent motionEvent = (MotionEvent) event;
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boolean handled = false;
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try {
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if (mDragEnded) {
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// The drag has ended but the clean-up message has not been processed by
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// window manager. Drop events that occur after this until window manager
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// has a chance to clean-up the input handle.
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handled = true;
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return;
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}
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final float newX = motionEvent.getRawX();
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final float newY = motionEvent.getRawY();
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switch (motionEvent.getAction()) {
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case MotionEvent.ACTION_DOWN: {
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if (DEBUG_TASK_POSITIONING) {
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Slog.w(TAG, "ACTION_DOWN @ {" + newX + ", " + newY + "}");
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}
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} break;
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case MotionEvent.ACTION_MOVE: {
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if (DEBUG_TASK_POSITIONING){
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Slog.w(TAG, "ACTION_MOVE @ {" + newX + ", " + newY + "}");
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}
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synchronized (mService.mGlobalLock) {
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mDragEnded = notifyMoveLocked(newX, newY);
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mTask.getDimBounds(mTmpRect);
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}
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if (!mTmpRect.equals(mWindowDragBounds)) {
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Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER,
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"wm.TaskPositioner.resizeTask");
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try {
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mActivityManager.resizeTask(
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mTask.mTaskId, mWindowDragBounds, RESIZE_MODE_USER);
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} catch (RemoteException e) {
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}
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Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER);
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}
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} break;
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case MotionEvent.ACTION_UP: {
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if (DEBUG_TASK_POSITIONING) {
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Slog.w(TAG, "ACTION_UP @ {" + newX + ", " + newY + "}");
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}
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mDragEnded = true;
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} break;
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case MotionEvent.ACTION_CANCEL: {
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if (DEBUG_TASK_POSITIONING) {
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Slog.w(TAG, "ACTION_CANCEL @ {" + newX + ", " + newY + "}");
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}
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mDragEnded = true;
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} break;
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}
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if (mDragEnded) {
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final boolean wasResizing = mResizing;
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synchronized (mService.mGlobalLock) {
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endDragLocked();
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mTask.getDimBounds(mTmpRect);
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}
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try {
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if (wasResizing && !mTmpRect.equals(mWindowDragBounds)) {
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// We were using fullscreen surface during resizing. Request
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// resizeTask() one last time to restore surface to window size.
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mActivityManager.resizeTask(
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mTask.mTaskId, mWindowDragBounds, RESIZE_MODE_USER_FORCED);
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}
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} catch(RemoteException e) {}
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// Post back to WM to handle clean-ups. We still need the input
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// event handler for the last finishInputEvent()!
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mService.mTaskPositioningController.finishTaskPositioning();
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}
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handled = true;
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} catch (Exception e) {
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Slog.e(TAG, "Exception caught by drag handleMotion", e);
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} finally {
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finishInputEvent(event, handled);
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}
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}
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}
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@VisibleForTesting
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TaskPositioner(WindowManagerService service, IActivityTaskManager activityManager) {
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mService = service;
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mActivityManager = activityManager;
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}
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/** Use {@link #create(WindowManagerService)} instead **/
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TaskPositioner(WindowManagerService service) {
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this(service, service.mActivityTaskManager);
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}
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@VisibleForTesting
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Rect getWindowDragBounds() {
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return mWindowDragBounds;
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}
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/**
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* @param displayContent The Display that the window being dragged is on.
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*/
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void register(DisplayContent displayContent) {
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final Display display = displayContent.getDisplay();
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if (DEBUG_TASK_POSITIONING) {
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Slog.d(TAG, "Registering task positioner");
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}
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if (mClientChannel != null) {
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Slog.e(TAG, "Task positioner already registered");
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return;
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}
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mDisplayContent = displayContent;
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display.getMetrics(mDisplayMetrics);
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final InputChannel[] channels = InputChannel.openInputChannelPair(TAG);
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mServerChannel = channels[0];
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mClientChannel = channels[1];
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mService.mInputManager.registerInputChannel(mServerChannel, null);
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mInputEventReceiver = new WindowPositionerEventReceiver(
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mClientChannel, mService.mAnimationHandler.getLooper(),
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mService.mAnimator.getChoreographer());
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mDragApplicationHandle = new InputApplicationHandle(new Binder());
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mDragApplicationHandle.name = TAG;
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mDragApplicationHandle.dispatchingTimeoutNanos =
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WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
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mDragWindowHandle = new InputWindowHandle(mDragApplicationHandle, null,
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display.getDisplayId());
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mDragWindowHandle.name = TAG;
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mDragWindowHandle.token = mServerChannel.getToken();
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mDragWindowHandle.layer = mService.getDragLayerLocked();
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mDragWindowHandle.layoutParamsFlags = 0;
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mDragWindowHandle.layoutParamsType = WindowManager.LayoutParams.TYPE_DRAG;
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mDragWindowHandle.dispatchingTimeoutNanos =
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WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
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mDragWindowHandle.visible = true;
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mDragWindowHandle.canReceiveKeys = false;
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mDragWindowHandle.hasFocus = true;
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mDragWindowHandle.hasWallpaper = false;
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mDragWindowHandle.paused = false;
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mDragWindowHandle.ownerPid = Process.myPid();
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mDragWindowHandle.ownerUid = Process.myUid();
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mDragWindowHandle.inputFeatures = 0;
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mDragWindowHandle.scaleFactor = 1.0f;
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// The drag window cannot receive new touches.
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mDragWindowHandle.touchableRegion.setEmpty();
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// The drag window covers the entire display
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mDragWindowHandle.frameLeft = 0;
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mDragWindowHandle.frameTop = 0;
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final Point p = new Point();
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display.getRealSize(p);
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mDragWindowHandle.frameRight = p.x;
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mDragWindowHandle.frameBottom = p.y;
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// Pause rotations before a drag.
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if (DEBUG_ORIENTATION) {
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Slog.d(TAG, "Pausing rotation during re-position");
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}
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mDisplayContent.pauseRotationLocked();
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// Notify InputMonitor to take mDragWindowHandle.
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mDisplayContent.getInputMonitor().updateInputWindowsLw(true /*force*/);
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mSideMargin = dipToPixel(SIDE_MARGIN_DIP, mDisplayMetrics);
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mMinVisibleWidth = dipToPixel(MINIMUM_VISIBLE_WIDTH_IN_DP, mDisplayMetrics);
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mMinVisibleHeight = dipToPixel(MINIMUM_VISIBLE_HEIGHT_IN_DP, mDisplayMetrics);
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display.getRealSize(mMaxVisibleSize);
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mDragEnded = false;
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}
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void unregister() {
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if (DEBUG_TASK_POSITIONING) {
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Slog.d(TAG, "Unregistering task positioner");
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}
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if (mClientChannel == null) {
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Slog.e(TAG, "Task positioner not registered");
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return;
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}
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mService.mInputManager.unregisterInputChannel(mServerChannel);
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mInputEventReceiver.dispose();
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mInputEventReceiver = null;
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mClientChannel.dispose();
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mServerChannel.dispose();
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mClientChannel = null;
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mServerChannel = null;
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mDragWindowHandle = null;
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mDragApplicationHandle = null;
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mDragEnded = true;
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// Notify InputMonitor to remove mDragWindowHandle.
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mDisplayContent.getInputMonitor().updateInputWindowsLw(true /*force*/);
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// Resume rotations after a drag.
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if (DEBUG_ORIENTATION) {
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Slog.d(TAG, "Resuming rotation after re-position");
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}
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mDisplayContent.resumeRotationLocked();
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mDisplayContent = null;
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mClientCallback.unlinkToDeath(this, 0 /* flags */);
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}
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void startDrag(WindowState win, boolean resize, boolean preserveOrientation, float startX,
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float startY) {
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if (DEBUG_TASK_POSITIONING) {
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Slog.d(TAG, "startDrag: win=" + win + ", resize=" + resize
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+ ", preserveOrientation=" + preserveOrientation + ", {" + startX + ", "
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+ startY + "}");
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}
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try {
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mClientCallback = win.mClient.asBinder();
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mClientCallback.linkToDeath(this, 0 /* flags */);
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} catch (RemoteException e) {
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// The caller has died, so clean up TaskPositioningController.
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mService.mTaskPositioningController.finishTaskPositioning();
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return;
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}
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mTask = win.getTask();
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// Use the bounds of the task which accounts for
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// multiple app windows. Don't use any bounds from win itself as it
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// may not be the same size as the task.
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mTask.getBounds(mTmpRect);
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startDrag(resize, preserveOrientation, startX, startY, mTmpRect);
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}
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protected void startDrag(boolean resize, boolean preserveOrientation,
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float startX, float startY, Rect startBounds) {
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mCtrlType = CTRL_NONE;
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mStartDragX = startX;
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mStartDragY = startY;
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mPreserveOrientation = preserveOrientation;
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if (resize) {
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if (startX < startBounds.left) {
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mCtrlType |= CTRL_LEFT;
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}
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if (startX > startBounds.right) {
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mCtrlType |= CTRL_RIGHT;
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}
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if (startY < startBounds.top) {
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mCtrlType |= CTRL_TOP;
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}
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if (startY > startBounds.bottom) {
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mCtrlType |= CTRL_BOTTOM;
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}
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mResizing = mCtrlType != CTRL_NONE;
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}
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// In case of !isDockedInEffect we are using the union of all task bounds. These might be
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// made up out of multiple windows which are only partially overlapping. When that happens,
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// the orientation from the window of interest to the entire stack might diverge. However
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// for now we treat them as the same.
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mStartOrientationWasLandscape = startBounds.width() >= startBounds.height();
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mWindowOriginalBounds.set(startBounds);
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// Notify the app that resizing has started, even though we haven't received any new
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// bounds yet. This will guarantee that the app starts the backdrop renderer before
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// configuration changes which could cause an activity restart.
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if (mResizing) {
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synchronized (mService.mGlobalLock) {
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notifyMoveLocked(startX, startY);
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}
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// Perform the resize on the WMS handler thread when we don't have the WMS lock held
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// to ensure that we don't deadlock WMS and AMS. Note that WindowPositionerEventReceiver
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// callbacks are delivered on the same handler so this initial resize is always
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// guaranteed to happen before subsequent drag resizes.
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mService.mH.post(() -> {
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try {
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mActivityManager.resizeTask(
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mTask.mTaskId, startBounds, RESIZE_MODE_USER_FORCED);
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} catch (RemoteException e) {
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}
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});
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}
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// Make sure we always have valid drag bounds even if the drag ends before any move events
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// have been handled.
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mWindowDragBounds.set(startBounds);
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}
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private void endDragLocked() {
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mResizing = false;
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mTask.setDragResizing(false, DRAG_RESIZE_MODE_FREEFORM);
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}
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/** Returns true if the move operation should be ended. */
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private boolean notifyMoveLocked(float x, float y) {
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if (DEBUG_TASK_POSITIONING) {
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Slog.d(TAG, "notifyMoveLocked: {" + x + "," + y + "}");
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}
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if (mCtrlType != CTRL_NONE) {
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resizeDrag(x, y);
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mTask.setDragResizing(true, DRAG_RESIZE_MODE_FREEFORM);
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return false;
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}
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// This is a moving or scrolling operation.
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mTask.mStack.getDimBounds(mTmpRect);
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// If a target window is covered by system bar, there is no way to move it again by touch.
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// So we exclude them from stack bounds. and then it will be shown inside stable area.
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Rect stableBounds = new Rect();
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mDisplayContent.getStableRect(stableBounds);
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mTmpRect.intersect(stableBounds);
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int nX = (int) x;
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int nY = (int) y;
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if (!mTmpRect.contains(nX, nY)) {
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// For a moving operation we allow the pointer to go out of the stack bounds, but
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// use the clamped pointer position for the drag bounds computation.
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nX = Math.min(Math.max(nX, mTmpRect.left), mTmpRect.right);
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nY = Math.min(Math.max(nY, mTmpRect.top), mTmpRect.bottom);
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}
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updateWindowDragBounds(nX, nY, mTmpRect);
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return false;
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}
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/**
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* The user is drag - resizing the window.
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*
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* @param x The x coordinate of the current drag coordinate.
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* @param y the y coordinate of the current drag coordinate.
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*/
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@VisibleForTesting
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void resizeDrag(float x, float y) {
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// This is a resizing operation.
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// We need to keep various constraints:
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// 1. mMinVisible[Width/Height] <= [width/height] <= mMaxVisibleSize.[x/y]
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// 2. The orientation is kept - if required.
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final int deltaX = Math.round(x - mStartDragX);
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final int deltaY = Math.round(y - mStartDragY);
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int left = mWindowOriginalBounds.left;
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int top = mWindowOriginalBounds.top;
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int right = mWindowOriginalBounds.right;
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int bottom = mWindowOriginalBounds.bottom;
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// The aspect which we have to respect. Note that if the orientation does not need to be
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// preserved the aspect will be calculated as 1.0 which neutralizes the following
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// computations.
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final float minAspect = !mPreserveOrientation
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? 1.0f
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: (mStartOrientationWasLandscape ? MIN_ASPECT : (1.0f / MIN_ASPECT));
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// Calculate the resulting width and height of the drag operation.
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int width = right - left;
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int height = bottom - top;
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if ((mCtrlType & CTRL_LEFT) != 0) {
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width = Math.max(mMinVisibleWidth, width - deltaX);
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} else if ((mCtrlType & CTRL_RIGHT) != 0) {
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width = Math.max(mMinVisibleWidth, width + deltaX);
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}
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if ((mCtrlType & CTRL_TOP) != 0) {
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height = Math.max(mMinVisibleHeight, height - deltaY);
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} else if ((mCtrlType & CTRL_BOTTOM) != 0) {
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height = Math.max(mMinVisibleHeight, height + deltaY);
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}
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// If we have to preserve the orientation - check that we are doing so.
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final float aspect = (float) width / (float) height;
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if (mPreserveOrientation && ((mStartOrientationWasLandscape && aspect < MIN_ASPECT)
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|| (!mStartOrientationWasLandscape && aspect > (1.0 / MIN_ASPECT)))) {
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// Calculate 2 rectangles fulfilling all requirements for either X or Y being the major
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// drag axis. What ever is producing the bigger rectangle will be chosen.
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int width1;
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int width2;
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int height1;
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int height2;
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if (mStartOrientationWasLandscape) {
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// Assuming that the width is our target we calculate the height.
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width1 = Math.max(mMinVisibleWidth, Math.min(mMaxVisibleSize.x, width));
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height1 = Math.min(height, Math.round((float)width1 / MIN_ASPECT));
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if (height1 < mMinVisibleHeight) {
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// If the resulting height is too small we adjust to the minimal size.
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height1 = mMinVisibleHeight;
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width1 = Math.max(mMinVisibleWidth,
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Math.min(mMaxVisibleSize.x, Math.round((float)height1 * MIN_ASPECT)));
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}
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// Assuming that the height is our target we calculate the width.
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height2 = Math.max(mMinVisibleHeight, Math.min(mMaxVisibleSize.y, height));
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width2 = Math.max(width, Math.round((float)height2 * MIN_ASPECT));
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if (width2 < mMinVisibleWidth) {
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// If the resulting width is too small we adjust to the minimal size.
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width2 = mMinVisibleWidth;
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height2 = Math.max(mMinVisibleHeight,
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Math.min(mMaxVisibleSize.y, Math.round((float)width2 / MIN_ASPECT)));
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}
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} else {
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// Assuming that the width is our target we calculate the height.
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width1 = Math.max(mMinVisibleWidth, Math.min(mMaxVisibleSize.x, width));
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height1 = Math.max(height, Math.round((float)width1 * MIN_ASPECT));
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if (height1 < mMinVisibleHeight) {
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// If the resulting height is too small we adjust to the minimal size.
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height1 = mMinVisibleHeight;
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width1 = Math.max(mMinVisibleWidth,
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Math.min(mMaxVisibleSize.x, Math.round((float)height1 / MIN_ASPECT)));
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}
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// Assuming that the height is our target we calculate the width.
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height2 = Math.max(mMinVisibleHeight, Math.min(mMaxVisibleSize.y, height));
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width2 = Math.min(width, Math.round((float)height2 / MIN_ASPECT));
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if (width2 < mMinVisibleWidth) {
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// If the resulting width is too small we adjust to the minimal size.
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width2 = mMinVisibleWidth;
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height2 = Math.max(mMinVisibleHeight,
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Math.min(mMaxVisibleSize.y, Math.round((float)width2 * MIN_ASPECT)));
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}
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}
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// Use the bigger of the two rectangles if the major change was positive, otherwise
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// do the opposite.
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final boolean grows = width > (right - left) || height > (bottom - top);
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if (grows == (width1 * height1 > width2 * height2)) {
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width = width1;
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height = height1;
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} else {
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width = width2;
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height = height2;
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}
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}
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// Update mWindowDragBounds to the new drag size.
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updateDraggedBounds(left, top, right, bottom, width, height);
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}
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/**
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* Given the old coordinates and the new width and height, update the mWindowDragBounds.
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*
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* @param left The original left bound before the user started dragging.
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* @param top The original top bound before the user started dragging.
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* @param right The original right bound before the user started dragging.
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* @param bottom The original bottom bound before the user started dragging.
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* @param newWidth The new dragged width.
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* @param newHeight The new dragged height.
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*/
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void updateDraggedBounds(int left, int top, int right, int bottom, int newWidth,
|
int newHeight) {
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// Generate the final bounds by keeping the opposite drag edge constant.
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if ((mCtrlType & CTRL_LEFT) != 0) {
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left = right - newWidth;
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} else { // Note: The right might have changed - if we pulled at the right or not.
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right = left + newWidth;
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}
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if ((mCtrlType & CTRL_TOP) != 0) {
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top = bottom - newHeight;
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} else { // Note: The height might have changed - if we pulled at the bottom or not.
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bottom = top + newHeight;
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}
|
|
mWindowDragBounds.set(left, top, right, bottom);
|
|
checkBoundsForOrientationViolations(mWindowDragBounds);
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}
|
|
/**
|
* Validate bounds against orientation violations (if DEBUG_ORIENTATION_VIOLATIONS is set).
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*
|
* @param bounds The bounds to be checked.
|
*/
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private void checkBoundsForOrientationViolations(Rect bounds) {
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// When using debug check that we are not violating the given constraints.
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if (DEBUG_ORIENTATION_VIOLATIONS) {
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if (mStartOrientationWasLandscape != (bounds.width() >= bounds.height())) {
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Slog.e(TAG, "Orientation violation detected! should be "
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+ (mStartOrientationWasLandscape ? "landscape" : "portrait")
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+ " but is the other");
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} else {
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Slog.v(TAG, "new bounds size: " + bounds.width() + " x " + bounds.height());
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}
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if (mMinVisibleWidth > bounds.width() || mMinVisibleHeight > bounds.height()) {
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Slog.v(TAG, "Minimum requirement violated: Width(min, is)=(" + mMinVisibleWidth
|
+ ", " + bounds.width() + ") Height(min,is)=("
|
+ mMinVisibleHeight + ", " + bounds.height() + ")");
|
}
|
if (mMaxVisibleSize.x < bounds.width() || mMaxVisibleSize.y < bounds.height()) {
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Slog.v(TAG, "Maximum requirement violated: Width(min, is)=(" + mMaxVisibleSize.x
|
+ ", " + bounds.width() + ") Height(min,is)=("
|
+ mMaxVisibleSize.y + ", " + bounds.height() + ")");
|
}
|
}
|
}
|
|
private void updateWindowDragBounds(int x, int y, Rect stackBounds) {
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final int offsetX = Math.round(x - mStartDragX);
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final int offsetY = Math.round(y - mStartDragY);
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mWindowDragBounds.set(mWindowOriginalBounds);
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// Horizontally, at least mMinVisibleWidth pixels of the window should remain visible.
|
final int maxLeft = stackBounds.right - mMinVisibleWidth;
|
final int minLeft = stackBounds.left + mMinVisibleWidth - mWindowOriginalBounds.width();
|
|
// Vertically, the top mMinVisibleHeight of the window should remain visible.
|
// (This assumes that the window caption bar is at the top of the window).
|
final int minTop = stackBounds.top;
|
final int maxTop = stackBounds.bottom - mMinVisibleHeight;
|
|
mWindowDragBounds.offsetTo(
|
Math.min(Math.max(mWindowOriginalBounds.left + offsetX, minLeft), maxLeft),
|
Math.min(Math.max(mWindowOriginalBounds.top + offsetY, minTop), maxTop));
|
|
if (DEBUG_TASK_POSITIONING) Slog.d(TAG,
|
"updateWindowDragBounds: " + mWindowDragBounds);
|
}
|
|
public String toShortString() {
|
return TAG;
|
}
|
|
static void setFactory(Factory factory) {
|
sFactory = factory;
|
}
|
|
static TaskPositioner create(WindowManagerService service) {
|
if (sFactory == null) {
|
sFactory = new Factory() {};
|
}
|
|
return sFactory.create(service);
|
}
|
|
@Override
|
public void binderDied() {
|
mService.mTaskPositioningController.finishTaskPositioning();
|
}
|
|
interface Factory {
|
default TaskPositioner create(WindowManagerService service) {
|
return new TaskPositioner(service);
|
}
|
}
|
}
|
