| /* |
| * Copyright (C) 2015 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 android.app.ActivityManager.SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT; |
| import static android.app.ActivityManager.SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT; |
| import static android.app.ActivityManager.RESIZE_MODE_USER; |
| import static android.app.ActivityManager.RESIZE_MODE_USER_FORCED; |
| import static android.content.res.Configuration.ORIENTATION_LANDSCAPE; |
| import static android.os.Trace.TRACE_TAG_WINDOW_MANAGER; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ORIENTATION; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TASK_POSITIONING; |
| import static com.android.server.wm.WindowManagerDebugConfig.SHOW_TRANSACTIONS; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| import static com.android.server.wm.WindowManagerService.dipToPixel; |
| import static com.android.server.wm.DragResizeMode.DRAG_RESIZE_MODE_FREEFORM; |
| import static com.android.server.wm.WindowState.MINIMUM_VISIBLE_HEIGHT_IN_DP; |
| import static com.android.server.wm.WindowState.MINIMUM_VISIBLE_WIDTH_IN_DP; |
| |
| import android.annotation.IntDef; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.os.Looper; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.Trace; |
| import android.util.DisplayMetrics; |
| import android.util.Slog; |
| import android.view.BatchedInputEventReceiver; |
| import android.view.Choreographer; |
| import android.view.Display; |
| import android.view.DisplayInfo; |
| import android.view.InputChannel; |
| import android.view.InputDevice; |
| import android.view.InputEvent; |
| import android.view.MotionEvent; |
| import android.view.WindowManager; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.server.input.InputApplicationHandle; |
| import com.android.server.input.InputWindowHandle; |
| import com.android.server.wm.WindowManagerService.H; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| class TaskPositioner implements DimLayer.DimLayerUser { |
| private static final boolean DEBUG_ORIENTATION_VIOLATIONS = false; |
| private static final String TAG_LOCAL = "TaskPositioner"; |
| private static final String TAG = TAG_WITH_CLASS_NAME ? TAG_LOCAL : TAG_WM; |
| |
| // The margin the pointer position has to be within the side of the screen to be |
| // considered at the side of the screen. |
| static final int SIDE_MARGIN_DIP = 100; |
| |
| @IntDef(flag = true, |
| value = { |
| CTRL_NONE, |
| CTRL_LEFT, |
| CTRL_RIGHT, |
| CTRL_TOP, |
| CTRL_BOTTOM |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| @interface CtrlType {} |
| |
| private static final int CTRL_NONE = 0x0; |
| private static final int CTRL_LEFT = 0x1; |
| private static final int CTRL_RIGHT = 0x2; |
| private static final int CTRL_TOP = 0x4; |
| private static final int CTRL_BOTTOM = 0x8; |
| |
| public static final float RESIZING_HINT_ALPHA = 0.5f; |
| |
| public static final int RESIZING_HINT_DURATION_MS = 0; |
| |
| // The minimal aspect ratio which needs to be met to count as landscape (or 1/.. for portrait). |
| // Note: We do not use the 1.33 from the CDD here since the user is allowed to use what ever |
| // aspect he desires. |
| @VisibleForTesting |
| static final float MIN_ASPECT = 1.2f; |
| |
| private final WindowManagerService mService; |
| private WindowPositionerEventReceiver mInputEventReceiver; |
| private Display mDisplay; |
| private final DisplayMetrics mDisplayMetrics = new DisplayMetrics(); |
| private DimLayer mDimLayer; |
| @CtrlType |
| private int mCurrentDimSide; |
| private Rect mTmpRect = new Rect(); |
| private int mSideMargin; |
| private int mMinVisibleWidth; |
| private int mMinVisibleHeight; |
| |
| private Task mTask; |
| private boolean mResizing; |
| private boolean mPreserveOrientation; |
| private boolean mStartOrientationWasLandscape; |
| private final Rect mWindowOriginalBounds = new Rect(); |
| private final Rect mWindowDragBounds = new Rect(); |
| private final Point mMaxVisibleSize = new Point(); |
| private float mStartDragX; |
| private float mStartDragY; |
| @CtrlType |
| private int mCtrlType = CTRL_NONE; |
| private boolean mDragEnded = false; |
| |
| InputChannel mServerChannel; |
| InputChannel mClientChannel; |
| InputApplicationHandle mDragApplicationHandle; |
| InputWindowHandle mDragWindowHandle; |
| |
| private final class WindowPositionerEventReceiver extends BatchedInputEventReceiver { |
| public WindowPositionerEventReceiver( |
| InputChannel inputChannel, Looper looper, Choreographer choreographer) { |
| super(inputChannel, looper, choreographer); |
| } |
| |
| @Override |
| public void onInputEvent(InputEvent event, int displayId) { |
| if (!(event instanceof MotionEvent) |
| || (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) == 0) { |
| return; |
| } |
| final MotionEvent motionEvent = (MotionEvent) event; |
| boolean handled = false; |
| |
| try { |
| if (mDragEnded) { |
| // The drag has ended but the clean-up message has not been processed by |
| // window manager. Drop events that occur after this until window manager |
| // has a chance to clean-up the input handle. |
| handled = true; |
| return; |
| } |
| |
| final float newX = motionEvent.getRawX(); |
| final float newY = motionEvent.getRawY(); |
| |
| switch (motionEvent.getAction()) { |
| case MotionEvent.ACTION_DOWN: { |
| if (DEBUG_TASK_POSITIONING) { |
| Slog.w(TAG, "ACTION_DOWN @ {" + newX + ", " + newY + "}"); |
| } |
| } break; |
| |
| case MotionEvent.ACTION_MOVE: { |
| if (DEBUG_TASK_POSITIONING){ |
| Slog.w(TAG, "ACTION_MOVE @ {" + newX + ", " + newY + "}"); |
| } |
| synchronized (mService.mWindowMap) { |
| mDragEnded = notifyMoveLocked(newX, newY); |
| mTask.getDimBounds(mTmpRect); |
| } |
| if (!mTmpRect.equals(mWindowDragBounds)) { |
| Trace.traceBegin(TRACE_TAG_WINDOW_MANAGER, |
| "wm.TaskPositioner.resizeTask"); |
| try { |
| mService.mActivityManager.resizeTask( |
| mTask.mTaskId, mWindowDragBounds, RESIZE_MODE_USER); |
| } catch (RemoteException e) { |
| } |
| Trace.traceEnd(Trace.TRACE_TAG_WINDOW_MANAGER); |
| } |
| } break; |
| |
| case MotionEvent.ACTION_UP: { |
| if (DEBUG_TASK_POSITIONING) { |
| Slog.w(TAG, "ACTION_UP @ {" + newX + ", " + newY + "}"); |
| } |
| mDragEnded = true; |
| } break; |
| |
| case MotionEvent.ACTION_CANCEL: { |
| if (DEBUG_TASK_POSITIONING) { |
| Slog.w(TAG, "ACTION_CANCEL @ {" + newX + ", " + newY + "}"); |
| } |
| mDragEnded = true; |
| } break; |
| } |
| |
| if (mDragEnded) { |
| final boolean wasResizing = mResizing; |
| synchronized (mService.mWindowMap) { |
| endDragLocked(); |
| mTask.getDimBounds(mTmpRect); |
| } |
| try { |
| if (wasResizing && !mTmpRect.equals(mWindowDragBounds)) { |
| // We were using fullscreen surface during resizing. Request |
| // resizeTask() one last time to restore surface to window size. |
| mService.mActivityManager.resizeTask( |
| mTask.mTaskId, mWindowDragBounds, RESIZE_MODE_USER_FORCED); |
| } |
| |
| if (mCurrentDimSide != CTRL_NONE) { |
| final int createMode = mCurrentDimSide == CTRL_LEFT |
| ? SPLIT_SCREEN_CREATE_MODE_TOP_OR_LEFT |
| : SPLIT_SCREEN_CREATE_MODE_BOTTOM_OR_RIGHT; |
| mService.mActivityManager.setTaskWindowingModeSplitScreenPrimary( |
| mTask.mTaskId, createMode, true /*toTop*/, true /* animate */, |
| null /* initialBounds */); |
| } |
| } catch(RemoteException e) {} |
| |
| // Post back to WM to handle clean-ups. We still need the input |
| // event handler for the last finishInputEvent()! |
| mService.mH.sendEmptyMessage(H.FINISH_TASK_POSITIONING); |
| } |
| handled = true; |
| } catch (Exception e) { |
| Slog.e(TAG, "Exception caught by drag handleMotion", e); |
| } finally { |
| finishInputEvent(event, handled); |
| } |
| } |
| } |
| |
| TaskPositioner(WindowManagerService service) { |
| mService = service; |
| } |
| |
| @VisibleForTesting |
| Rect getWindowDragBounds() { |
| return mWindowDragBounds; |
| } |
| |
| /** |
| * @param display The Display that the window being dragged is on. |
| */ |
| void register(Display display) { |
| if (DEBUG_TASK_POSITIONING) { |
| Slog.d(TAG, "Registering task positioner"); |
| } |
| |
| if (mClientChannel != null) { |
| Slog.e(TAG, "Task positioner already registered"); |
| return; |
| } |
| |
| mDisplay = display; |
| mDisplay.getMetrics(mDisplayMetrics); |
| final InputChannel[] channels = InputChannel.openInputChannelPair(TAG); |
| mServerChannel = channels[0]; |
| mClientChannel = channels[1]; |
| mService.mInputManager.registerInputChannel(mServerChannel, null); |
| |
| mInputEventReceiver = new WindowPositionerEventReceiver( |
| mClientChannel, mService.mAnimationHandler.getLooper(), |
| mService.mAnimator.getChoreographer()); |
| |
| mDragApplicationHandle = new InputApplicationHandle(null); |
| mDragApplicationHandle.name = TAG; |
| mDragApplicationHandle.dispatchingTimeoutNanos = |
| WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS; |
| |
| mDragWindowHandle = new InputWindowHandle(mDragApplicationHandle, null, null, |
| mDisplay.getDisplayId()); |
| mDragWindowHandle.name = TAG; |
| mDragWindowHandle.inputChannel = mServerChannel; |
| mDragWindowHandle.layer = mService.getDragLayerLocked(); |
| mDragWindowHandle.layoutParamsFlags = 0; |
| mDragWindowHandle.layoutParamsType = WindowManager.LayoutParams.TYPE_DRAG; |
| mDragWindowHandle.dispatchingTimeoutNanos = |
| WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS; |
| mDragWindowHandle.visible = true; |
| mDragWindowHandle.canReceiveKeys = false; |
| mDragWindowHandle.hasFocus = true; |
| mDragWindowHandle.hasWallpaper = false; |
| mDragWindowHandle.paused = false; |
| mDragWindowHandle.ownerPid = Process.myPid(); |
| mDragWindowHandle.ownerUid = Process.myUid(); |
| mDragWindowHandle.inputFeatures = 0; |
| mDragWindowHandle.scaleFactor = 1.0f; |
| |
| // The drag window cannot receive new touches. |
| mDragWindowHandle.touchableRegion.setEmpty(); |
| |
| // The drag window covers the entire display |
| mDragWindowHandle.frameLeft = 0; |
| mDragWindowHandle.frameTop = 0; |
| final Point p = new Point(); |
| mDisplay.getRealSize(p); |
| mDragWindowHandle.frameRight = p.x; |
| mDragWindowHandle.frameBottom = p.y; |
| |
| // Pause rotations before a drag. |
| if (DEBUG_ORIENTATION) { |
| Slog.d(TAG, "Pausing rotation during re-position"); |
| } |
| mService.pauseRotationLocked(); |
| |
| mDimLayer = new DimLayer(mService, this, mDisplay.getDisplayId(), TAG_LOCAL); |
| mSideMargin = dipToPixel(SIDE_MARGIN_DIP, mDisplayMetrics); |
| mMinVisibleWidth = dipToPixel(MINIMUM_VISIBLE_WIDTH_IN_DP, mDisplayMetrics); |
| mMinVisibleHeight = dipToPixel(MINIMUM_VISIBLE_HEIGHT_IN_DP, mDisplayMetrics); |
| mDisplay.getRealSize(mMaxVisibleSize); |
| |
| mDragEnded = false; |
| } |
| |
| void unregister() { |
| if (DEBUG_TASK_POSITIONING) { |
| Slog.d(TAG, "Unregistering task positioner"); |
| } |
| |
| if (mClientChannel == null) { |
| Slog.e(TAG, "Task positioner not registered"); |
| return; |
| } |
| |
| mService.mInputManager.unregisterInputChannel(mServerChannel); |
| |
| mInputEventReceiver.dispose(); |
| mInputEventReceiver = null; |
| mClientChannel.dispose(); |
| mServerChannel.dispose(); |
| mClientChannel = null; |
| mServerChannel = null; |
| |
| mDragWindowHandle = null; |
| mDragApplicationHandle = null; |
| mDisplay = null; |
| |
| if (mDimLayer != null) { |
| mDimLayer.destroySurface(); |
| mDimLayer = null; |
| } |
| mCurrentDimSide = CTRL_NONE; |
| mDragEnded = true; |
| |
| // Resume rotations after a drag. |
| if (DEBUG_ORIENTATION) { |
| Slog.d(TAG, "Resuming rotation after re-position"); |
| } |
| mService.resumeRotationLocked(); |
| } |
| |
| void startDrag(WindowState win, boolean resize, boolean preserveOrientation, float startX, |
| float startY) { |
| if (DEBUG_TASK_POSITIONING) { |
| Slog.d(TAG, "startDrag: win=" + win + ", resize=" + resize |
| + ", preserveOrientation=" + preserveOrientation + ", {" + startX + ", " |
| + startY + "}"); |
| } |
| mTask = win.getTask(); |
| // Use the dim bounds, not the original task bounds. The cursor |
| // movement should be calculated relative to the visible bounds. |
| // Also, use the dim bounds of the task which accounts for |
| // multiple app windows. Don't use any bounds from win itself as it |
| // may not be the same size as the task. |
| mTask.getDimBounds(mTmpRect); |
| startDrag(resize, preserveOrientation, startX, startY, mTmpRect); |
| } |
| |
| @VisibleForTesting |
| void startDrag(boolean resize, boolean preserveOrientation, |
| float startX, float startY, Rect startBounds) { |
| mCtrlType = CTRL_NONE; |
| mStartDragX = startX; |
| mStartDragY = startY; |
| mPreserveOrientation = preserveOrientation; |
| |
| if (resize) { |
| if (startX < startBounds.left) { |
| mCtrlType |= CTRL_LEFT; |
| } |
| if (startX > startBounds.right) { |
| mCtrlType |= CTRL_RIGHT; |
| } |
| if (startY < startBounds.top) { |
| mCtrlType |= CTRL_TOP; |
| } |
| if (startY > startBounds.bottom) { |
| mCtrlType |= CTRL_BOTTOM; |
| } |
| mResizing = mCtrlType != CTRL_NONE; |
| } |
| |
| // In case of !isDockedInEffect we are using the union of all task bounds. These might be |
| // made up out of multiple windows which are only partially overlapping. When that happens, |
| // the orientation from the window of interest to the entire stack might diverge. However |
| // for now we treat them as the same. |
| mStartOrientationWasLandscape = startBounds.width() >= startBounds.height(); |
| mWindowOriginalBounds.set(startBounds); |
| |
| // Make sure we always have valid drag bounds even if the drag ends before any move events |
| // have been handled. |
| mWindowDragBounds.set(startBounds); |
| } |
| |
| private void endDragLocked() { |
| mResizing = false; |
| mTask.setDragResizing(false, DRAG_RESIZE_MODE_FREEFORM); |
| } |
| |
| /** Returns true if the move operation should be ended. */ |
| private boolean notifyMoveLocked(float x, float y) { |
| if (DEBUG_TASK_POSITIONING) { |
| Slog.d(TAG, "notifyMoveLocked: {" + x + "," + y + "}"); |
| } |
| |
| if (mCtrlType != CTRL_NONE) { |
| resizeDrag(x, y); |
| mTask.setDragResizing(true, DRAG_RESIZE_MODE_FREEFORM); |
| return false; |
| } |
| |
| // This is a moving or scrolling operation. |
| mTask.mStack.getDimBounds(mTmpRect); |
| |
| int nX = (int) x; |
| int nY = (int) y; |
| if (!mTmpRect.contains(nX, nY)) { |
| // For a moving operation we allow the pointer to go out of the stack bounds, but |
| // use the clamped pointer position for the drag bounds computation. |
| nX = Math.min(Math.max(nX, mTmpRect.left), mTmpRect.right); |
| nY = Math.min(Math.max(nY, mTmpRect.top), mTmpRect.bottom); |
| } |
| |
| updateWindowDragBounds(nX, nY, mTmpRect); |
| updateDimLayerVisibility(nX); |
| return false; |
| } |
| |
| /** |
| * The user is drag - resizing the window. |
| * |
| * @param x The x coordinate of the current drag coordinate. |
| * @param y the y coordinate of the current drag coordinate. |
| */ |
| @VisibleForTesting |
| void resizeDrag(float x, float y) { |
| // This is a resizing operation. |
| // We need to keep various constraints: |
| // 1. mMinVisible[Width/Height] <= [width/height] <= mMaxVisibleSize.[x/y] |
| // 2. The orientation is kept - if required. |
| final int deltaX = Math.round(x - mStartDragX); |
| final int deltaY = Math.round(y - mStartDragY); |
| int left = mWindowOriginalBounds.left; |
| int top = mWindowOriginalBounds.top; |
| int right = mWindowOriginalBounds.right; |
| int bottom = mWindowOriginalBounds.bottom; |
| |
| // The aspect which we have to respect. Note that if the orientation does not need to be |
| // preserved the aspect will be calculated as 1.0 which neutralizes the following |
| // computations. |
| final float minAspect = !mPreserveOrientation |
| ? 1.0f |
| : (mStartOrientationWasLandscape ? MIN_ASPECT : (1.0f / MIN_ASPECT)); |
| // Calculate the resulting width and height of the drag operation. |
| int width = right - left; |
| int height = bottom - top; |
| if ((mCtrlType & CTRL_LEFT) != 0) { |
| width = Math.max(mMinVisibleWidth, width - deltaX); |
| } else if ((mCtrlType & CTRL_RIGHT) != 0) { |
| width = Math.max(mMinVisibleWidth, width + deltaX); |
| } |
| if ((mCtrlType & CTRL_TOP) != 0) { |
| height = Math.max(mMinVisibleHeight, height - deltaY); |
| } else if ((mCtrlType & CTRL_BOTTOM) != 0) { |
| height = Math.max(mMinVisibleHeight, height + deltaY); |
| } |
| |
| // If we have to preserve the orientation - check that we are doing so. |
| final float aspect = (float) width / (float) height; |
| if (mPreserveOrientation && ((mStartOrientationWasLandscape && aspect < MIN_ASPECT) |
| || (!mStartOrientationWasLandscape && aspect > (1.0 / MIN_ASPECT)))) { |
| // Calculate 2 rectangles fulfilling all requirements for either X or Y being the major |
| // drag axis. What ever is producing the bigger rectangle will be chosen. |
| int width1; |
| int width2; |
| int height1; |
| int height2; |
| if (mStartOrientationWasLandscape) { |
| // Assuming that the width is our target we calculate the height. |
| width1 = Math.max(mMinVisibleWidth, Math.min(mMaxVisibleSize.x, width)); |
| height1 = Math.min(height, Math.round((float)width1 / MIN_ASPECT)); |
| if (height1 < mMinVisibleHeight) { |
| // If the resulting height is too small we adjust to the minimal size. |
| height1 = mMinVisibleHeight; |
| width1 = Math.max(mMinVisibleWidth, |
| Math.min(mMaxVisibleSize.x, Math.round((float)height1 * MIN_ASPECT))); |
| } |
| // Assuming that the height is our target we calculate the width. |
| height2 = Math.max(mMinVisibleHeight, Math.min(mMaxVisibleSize.y, height)); |
| width2 = Math.max(width, Math.round((float)height2 * MIN_ASPECT)); |
| if (width2 < mMinVisibleWidth) { |
| // If the resulting width is too small we adjust to the minimal size. |
| width2 = mMinVisibleWidth; |
| height2 = Math.max(mMinVisibleHeight, |
| Math.min(mMaxVisibleSize.y, Math.round((float)width2 / MIN_ASPECT))); |
| } |
| } else { |
| // Assuming that the width is our target we calculate the height. |
| width1 = Math.max(mMinVisibleWidth, Math.min(mMaxVisibleSize.x, width)); |
| height1 = Math.max(height, Math.round((float)width1 * MIN_ASPECT)); |
| if (height1 < mMinVisibleHeight) { |
| // If the resulting height is too small we adjust to the minimal size. |
| height1 = mMinVisibleHeight; |
| width1 = Math.max(mMinVisibleWidth, |
| Math.min(mMaxVisibleSize.x, Math.round((float)height1 / MIN_ASPECT))); |
| } |
| // Assuming that the height is our target we calculate the width. |
| height2 = Math.max(mMinVisibleHeight, Math.min(mMaxVisibleSize.y, height)); |
| width2 = Math.min(width, Math.round((float)height2 / MIN_ASPECT)); |
| if (width2 < mMinVisibleWidth) { |
| // If the resulting width is too small we adjust to the minimal size. |
| width2 = mMinVisibleWidth; |
| height2 = Math.max(mMinVisibleHeight, |
| Math.min(mMaxVisibleSize.y, Math.round((float)width2 * MIN_ASPECT))); |
| } |
| } |
| |
| // Use the bigger of the two rectangles if the major change was positive, otherwise |
| // do the opposite. |
| final boolean grows = width > (right - left) || height > (bottom - top); |
| if (grows == (width1 * height1 > width2 * height2)) { |
| width = width1; |
| height = height1; |
| } else { |
| width = width2; |
| height = height2; |
| } |
| } |
| |
| // Update mWindowDragBounds to the new drag size. |
| updateDraggedBounds(left, top, right, bottom, width, height); |
| } |
| |
| /** |
| * Given the old coordinates and the new width and height, update the mWindowDragBounds. |
| * |
| * @param left The original left bound before the user started dragging. |
| * @param top The original top bound before the user started dragging. |
| * @param right The original right bound before the user started dragging. |
| * @param bottom The original bottom bound before the user started dragging. |
| * @param newWidth The new dragged width. |
| * @param newHeight The new dragged height. |
| */ |
| void updateDraggedBounds(int left, int top, int right, int bottom, int newWidth, |
| int newHeight) { |
| // Generate the final bounds by keeping the opposite drag edge constant. |
| if ((mCtrlType & CTRL_LEFT) != 0) { |
| left = right - newWidth; |
| } else { // Note: The right might have changed - if we pulled at the right or not. |
| right = left + newWidth; |
| } |
| if ((mCtrlType & CTRL_TOP) != 0) { |
| top = bottom - newHeight; |
| } else { // Note: The height might have changed - if we pulled at the bottom or not. |
| bottom = top + newHeight; |
| } |
| |
| mWindowDragBounds.set(left, top, right, bottom); |
| |
| checkBoundsForOrientationViolations(mWindowDragBounds); |
| } |
| |
| /** |
| * Validate bounds against orientation violations (if DEBUG_ORIENTATION_VIOLATIONS is set). |
| * |
| * @param bounds The bounds to be checked. |
| */ |
| private void checkBoundsForOrientationViolations(Rect bounds) { |
| // When using debug check that we are not violating the given constraints. |
| if (DEBUG_ORIENTATION_VIOLATIONS) { |
| if (mStartOrientationWasLandscape != (bounds.width() >= bounds.height())) { |
| Slog.e(TAG, "Orientation violation detected! should be " |
| + (mStartOrientationWasLandscape ? "landscape" : "portrait") |
| + " but is the other"); |
| } else { |
| Slog.v(TAG, "new bounds size: " + bounds.width() + " x " + bounds.height()); |
| } |
| if (mMinVisibleWidth > bounds.width() || mMinVisibleHeight > bounds.height()) { |
| 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()) { |
| 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) { |
| final int offsetX = Math.round(x - mStartDragX); |
| final int offsetY = Math.round(y - mStartDragY); |
| mWindowDragBounds.set(mWindowOriginalBounds); |
| // 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); |
| } |
| |
| private void updateDimLayerVisibility(int x) { |
| @CtrlType |
| int dimSide = getDimSide(x); |
| if (dimSide == mCurrentDimSide) { |
| return; |
| } |
| |
| mCurrentDimSide = dimSide; |
| |
| if (SHOW_TRANSACTIONS) Slog.i(TAG, ">>> OPEN TRANSACTION updateDimLayerVisibility"); |
| mService.openSurfaceTransaction(); |
| if (mCurrentDimSide == CTRL_NONE) { |
| mDimLayer.hide(); |
| } else { |
| showDimLayer(); |
| } |
| mService.closeSurfaceTransaction("updateDimLayerVisibility"); |
| } |
| |
| /** |
| * Returns the side of the screen the dim layer should be shown. |
| * @param x horizontal coordinate used to determine if the dim layer should be shown |
| * @return Returns {@link #CTRL_LEFT} if the dim layer should be shown on the left half of the |
| * screen, {@link #CTRL_RIGHT} if on the right side, or {@link #CTRL_NONE} if the dim layer |
| * shouldn't be shown. |
| */ |
| private int getDimSide(int x) { |
| if (!mTask.mStack.inFreeformWindowingMode() |
| || !mTask.mStack.fillsParent() |
| || mTask.mStack.getConfiguration().orientation != ORIENTATION_LANDSCAPE) { |
| return CTRL_NONE; |
| } |
| |
| mTask.mStack.getDimBounds(mTmpRect); |
| if (x - mSideMargin <= mTmpRect.left) { |
| return CTRL_LEFT; |
| } |
| if (x + mSideMargin >= mTmpRect.right) { |
| return CTRL_RIGHT; |
| } |
| |
| return CTRL_NONE; |
| } |
| |
| private void showDimLayer() { |
| mTask.mStack.getDimBounds(mTmpRect); |
| if (mCurrentDimSide == CTRL_LEFT) { |
| mTmpRect.right = mTmpRect.centerX(); |
| } else if (mCurrentDimSide == CTRL_RIGHT) { |
| mTmpRect.left = mTmpRect.centerX(); |
| } |
| |
| mDimLayer.setBounds(mTmpRect); |
| mDimLayer.show(mService.getDragLayerLocked(), RESIZING_HINT_ALPHA, |
| RESIZING_HINT_DURATION_MS); |
| } |
| |
| @Override /** {@link DimLayer.DimLayerUser} */ |
| public boolean dimFullscreen() { |
| return isFullscreen(); |
| } |
| |
| boolean isFullscreen() { |
| return false; |
| } |
| |
| @Override /** {@link DimLayer.DimLayerUser} */ |
| public DisplayInfo getDisplayInfo() { |
| return mTask.mStack.getDisplayInfo(); |
| } |
| |
| @Override |
| public boolean isAttachedToDisplay() { |
| return mTask != null && mTask.getDisplayContent() != null; |
| } |
| |
| @Override |
| public void getDimBounds(Rect out) { |
| // This dim layer user doesn't need this. |
| } |
| |
| @Override |
| public String toShortString() { |
| return TAG; |
| } |
| } |
