1 files changed, 101 insertions, 0 deletions
diff --git a/services/core/java/com/android/server/wm/InputConsumerImpl.java b/services/core/java/com/android/server/wm/InputConsumerImpl.java
new file mode 100644
index 0000000..0581a16
--- /dev/null
+++ b/services/core/java/com/android/server/wm/InputConsumerImpl.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2011 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 android.os.Looper;
+import android.os.Process;
+import android.view.Display;
+import android.view.InputChannel;
+import android.view.InputEventReceiver;
+import android.view.WindowManager;
+import android.view.WindowManagerPolicy;
+
+import com.android.server.input.InputApplicationHandle;
+import com.android.server.input.InputWindowHandle;
+
+public final class InputConsumerImpl implements WindowManagerPolicy.InputConsumer {
+    final WindowManagerService mService;
+    final InputChannel mServerChannel, mClientChannel;
+    final InputApplicationHandle mApplicationHandle;
+    final InputWindowHandle mWindowHandle;
+    final InputEventReceiver mInputEventReceiver;
+    final int mWindowLayer;
+
+    public InputConsumerImpl(WindowManagerService service, Looper looper,
+            InputEventReceiver.Factory inputEventReceiverFactory) {
+        String name = "input consumer";
+        mService = service;
+
+        InputChannel[] channels = InputChannel.openInputChannelPair(name);
+        mServerChannel = channels[0];
+        mClientChannel = channels[1];
+        mService.mInputManager.registerInputChannel(mServerChannel, null);
+
+        mInputEventReceiver = inputEventReceiverFactory.createInputEventReceiver(
+                mClientChannel, looper);
+
+        mApplicationHandle = new InputApplicationHandle(null);
+        mApplicationHandle.name = name;
+        mApplicationHandle.dispatchingTimeoutNanos =
+                WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
+
+        mWindowHandle = new InputWindowHandle(mApplicationHandle, null, Display.DEFAULT_DISPLAY);
+        mWindowHandle.name = name;
+        mWindowHandle.inputChannel = mServerChannel;
+        mWindowHandle.layoutParamsType = WindowManager.LayoutParams.TYPE_INPUT_CONSUMER;
+        mWindowLayer = getLayerLw(mWindowHandle.layoutParamsType);
+        mWindowHandle.layer = mWindowLayer;
+        mWindowHandle.layoutParamsFlags = 0;
+        mWindowHandle.dispatchingTimeoutNanos =
+                WindowManagerService.DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
+        mWindowHandle.visible = true;
+        mWindowHandle.canReceiveKeys = false;
+        mWindowHandle.hasFocus = false;
+        mWindowHandle.hasWallpaper = false;
+        mWindowHandle.paused = false;
+        mWindowHandle.ownerPid = Process.myPid();
+        mWindowHandle.ownerUid = Process.myUid();
+        mWindowHandle.inputFeatures = 0;
+        mWindowHandle.scaleFactor = 1.0f;
+    }
+
+    void layout(int dw, int dh) {
+        mWindowHandle.touchableRegion.set(0, 0, dw, dh);
+        mWindowHandle.frameLeft = 0;
+        mWindowHandle.frameTop = 0;
+        mWindowHandle.frameRight = dw;
+        mWindowHandle.frameBottom = dh;
+    }
+
+    @Override
+    public void dismiss() {
+        synchronized (mService.mWindowMap) {
+            if (mService.removeInputConsumer()) {
+                mInputEventReceiver.dispose();
+                mService.mInputManager.unregisterInputChannel(mServerChannel);
+                mClientChannel.dispose();
+                mServerChannel.dispose();
+            }
+        }
+    }
+
+    private int getLayerLw(int windowType) {
+        return mService.mPolicy.windowTypeToLayerLw(windowType)
+                * WindowManagerService.TYPE_LAYER_MULTIPLIER
+                + WindowManagerService.TYPE_LAYER_OFFSET;
+    }
+}