Clip touch event at SoftInputWindow to handle the event from Inset (7bd6c20f) · Commits · e / os / android_frameworks_base

core/java/android/inputmethodservice/SoftInputWindow.java

+57 −0

Original line number	Diff line number	Diff line
		@@ -19,11 +19,16 @@ package android.inputmethodservice;
		import android.app.Dialog;
		import android.content.Context;
		import android.content.pm.ActivityInfo;
		import android.graphics.Rect;
		import android.os.IBinder;
		import android.view.Gravity;
		import android.view.KeyEvent;
		import android.view.MotionEvent;
		import android.view.View;
		import android.view.WindowManager;

		import java.lang.Math;

		/**
		* A SoftInputWindow is a Dialog that is intended to be used for a top-level input
		* method window. It will be displayed along the edge of the screen, moving
		@@ -32,6 +37,7 @@ import android.view.WindowManager;
		*/
		class SoftInputWindow extends Dialog {
		final KeyEvent.DispatcherState mDispatcherState;
		private final Rect mBounds = new Rect();

		public void setToken(IBinder token) {
		WindowManager.LayoutParams lp = getWindow().getAttributes();
		@@ -64,6 +70,13 @@ class SoftInputWindow extends Dialog {
		mDispatcherState.reset();
		}

		@Override
		public boolean dispatchTouchEvent(MotionEvent ev) {
		getWindow().getDecorView().getHitRect(mBounds);
		final MotionEvent event = clipMotionEvent(ev, mBounds);
		return super.dispatchTouchEvent(event);
		}

		/**
		* Get the size of the DockWindow.
		*
		@@ -150,4 +163,48 @@ class SoftInputWindow extends Dialog {
		WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE \|
		WindowManager.LayoutParams.FLAG_DIM_BEHIND);
		}

		private static MotionEvent clipMotionEvent(MotionEvent me, Rect bounds) {
		final int pointerCount = me.getPointerCount();
		boolean shouldClip = false;
		for (int pointerIndex = 0; pointerIndex < pointerCount; pointerIndex++) {
		final int x = (int)me.getX(pointerIndex);
		final int y = (int)me.getY(pointerIndex);
		if (!bounds.contains(x, y)) {
		shouldClip = true;
		break;
		}
		}
		if (!shouldClip)
		return me;

		if (pointerCount == 1) {
		final int x = (int)me.getX();
		final int y = (int)me.getY();
		me.setLocation(
		Math.max(bounds.left, Math.min(x, bounds.right - 1)),
		Math.max(bounds.top, Math.min(y, bounds.bottom - 1)));
		return me;
		}

		final int[] pointerIds = new int[pointerCount];
		final MotionEvent.PointerCoords[] pointerCoords =
		new MotionEvent.PointerCoords[pointerCount];
		for (int pointerIndex = 0; pointerIndex < pointerCount; pointerIndex++) {
		pointerIds[pointerIndex] = me.getPointerId(pointerIndex);
		final MotionEvent.PointerCoords coords = new MotionEvent.PointerCoords();
		me.getPointerCoords(pointerIndex, coords);
		pointerCoords[pointerIndex] = coords;
		final int x = (int)coords.x;
		final int y = (int)coords.y;
		if (!bounds.contains(x, y)) {
		coords.x = Math.max(bounds.left, Math.min(x, bounds.right - 1));
		coords.y = Math.max(bounds.top, Math.min(y, bounds.bottom - 1));
		}
		}
		return MotionEvent.obtain(
		me.getDownTime(), me.getEventTime(), me.getAction(), pointerCount, pointerIds,
		pointerCoords, me.getMetaState(), me.getXPrecision(), me.getYPrecision(),
		me.getDeviceId(), me.getEdgeFlags(), me.getSource(), me.getFlags());
		}
		}