1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.googlecode.android_scripting.facade; 18 19 import java.util.HashMap; 20 21 import android.app.Service; 22 import android.content.Context; 23 import android.graphics.Point; 24 import android.hardware.display.DisplayManager; 25 import android.util.DisplayMetrics; 26 import android.view.Display; 27 28 import com.googlecode.android_scripting.jsonrpc.RpcReceiver; 29 import com.googlecode.android_scripting.rpc.Rpc; 30 import com.googlecode.android_scripting.rpc.RpcDefault; 31 import com.googlecode.android_scripting.rpc.RpcParameter; 32 33 public class DisplayFacade extends RpcReceiver { 34 35 private final Service mService; 36 private final DisplayManager mDisplayManager; 37 private HashMap<Integer, Display> mDisplays; 38 39 public DisplayFacade(FacadeManager manager) { 40 super(manager); 41 mService = manager.getService(); 42 mDisplayManager = (DisplayManager) mService.getSystemService(Context.DISPLAY_SERVICE); 43 updateDisplays(mDisplayManager.getDisplays()); 44 } 45 46 private void updateDisplays(Display[] displays) { 47 if (mDisplays == null) { 48 mDisplays = new HashMap<Integer, Display>(); 49 } 50 mDisplays.clear(); 51 for(Display d : displays) { 52 mDisplays.put(d.getDisplayId(), d); 53 } 54 } 55 56 @Rpc(description = "Get a list of IDs of the logical displays connected." 57 + "Also updates the cached displays.") 58 public Integer[] displayGetDisplays() { 59 Display[] displays = mDisplayManager.getDisplays(); 60 updateDisplays(displays); 61 Integer[] results = new Integer[displays.length]; 62 for(int i = 0; i < displays.length; i++) { 63 results[i] = displays[i].getDisplayId(); 64 } 65 return results; 66 } 67 68 @Rpc(description = "Get the size of the specified display in pixels.") 69 public Point displayGetSize( 70 @RpcParameter(name = "displayId") 71 @RpcDefault(value = "0") 72 Integer displayId) { 73 Point outSize = new Point(); 74 Display d = mDisplays.get(displayId); 75 d.getSize(outSize); 76 return outSize; 77 } 78 79 @Rpc(description = "Get the maximum screen size dimension that will happen.") 80 public Integer displayGetMaximumSizeDimension( 81 @RpcParameter(name = "displayId") 82 @RpcDefault(value = "0") 83 Integer displayId) { 84 Display d = mDisplays.get(displayId); 85 return d.getMaximumSizeDimension(); 86 } 87 88 @Rpc(description = "Get display metrics based on the real size of this display.") 89 public DisplayMetrics displayGetRealMetrics( 90 @RpcParameter(name = "displayId") 91 @RpcDefault(value = "0") 92 Integer displayId) { 93 Display d = mDisplays.get(displayId); 94 DisplayMetrics outMetrics = new DisplayMetrics(); 95 d.getRealMetrics(outMetrics); 96 return outMetrics; 97 } 98 99 @Override 100 public void shutdown() { 101 } 102 } 103
