Evan Rosky | 22b6bbd | 2019-09-26 14:29:57 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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.android.systemui.wm; |
| 18 | |
| 19 | import static android.view.WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED; |
| 20 | |
| 21 | import android.annotation.NonNull; |
| 22 | import android.content.Context; |
| 23 | import android.content.res.Configuration; |
| 24 | import android.graphics.Point; |
| 25 | import android.graphics.Rect; |
| 26 | import android.os.Bundle; |
| 27 | import android.os.ParcelFileDescriptor; |
| 28 | import android.os.RemoteException; |
| 29 | import android.util.MergedConfiguration; |
| 30 | import android.util.Slog; |
| 31 | import android.util.SparseArray; |
| 32 | import android.view.Display; |
| 33 | import android.view.DisplayCutout; |
| 34 | import android.view.DragEvent; |
| 35 | import android.view.IWindow; |
| 36 | import android.view.IWindowManager; |
| 37 | import android.view.IWindowSession; |
| 38 | import android.view.IWindowSessionCallback; |
| 39 | import android.view.InsetsSourceControl; |
| 40 | import android.view.InsetsState; |
| 41 | import android.view.SurfaceControl; |
Valerie Hau | 3036055 | 2020-01-14 16:12:01 -0800 | [diff] [blame] | 42 | import android.view.SurfaceControlViewHost; |
Evan Rosky | 22b6bbd | 2019-09-26 14:29:57 -0700 | [diff] [blame] | 43 | import android.view.View; |
| 44 | import android.view.ViewGroup; |
| 45 | import android.view.WindowManager; |
Evan Rosky | 22b6bbd | 2019-09-26 14:29:57 -0700 | [diff] [blame] | 46 | import android.view.WindowlessWindowManager; |
| 47 | |
| 48 | import com.android.internal.os.IResultReceiver; |
| 49 | |
| 50 | import java.util.HashMap; |
| 51 | |
| 52 | import javax.inject.Inject; |
| 53 | import javax.inject.Singleton; |
| 54 | |
| 55 | /** |
| 56 | * Represents the "windowing" layer of the System-UI. This layer allows system-ui components to |
| 57 | * place and manipulate windows without talking to WindowManager. |
| 58 | */ |
| 59 | @Singleton |
| 60 | public class SystemWindows { |
| 61 | private static final String TAG = "SystemWindows"; |
| 62 | |
| 63 | private final SparseArray<PerDisplay> mPerDisplay = new SparseArray<>(); |
Robert Carr | 59b1888 | 2019-12-18 00:38:40 -0800 | [diff] [blame] | 64 | final HashMap<View, SurfaceControlViewHost> mViewRoots = new HashMap<>(); |
Evan Rosky | 22b6bbd | 2019-09-26 14:29:57 -0700 | [diff] [blame] | 65 | Context mContext; |
| 66 | IWindowSession mSession; |
| 67 | DisplayWindowController mDisplayController; |
| 68 | IWindowManager mWmService; |
| 69 | |
| 70 | private final DisplayWindowController.DisplayWindowListener mDisplayListener = |
| 71 | new DisplayWindowController.DisplayWindowListener() { |
| 72 | @Override |
| 73 | public void onDisplayAdded(int displayId) { } |
| 74 | |
| 75 | @Override |
| 76 | public void onDisplayConfigurationChanged(int displayId, Configuration newConfig) { |
| 77 | PerDisplay pd = mPerDisplay.get(displayId); |
| 78 | if (pd == null) { |
| 79 | return; |
| 80 | } |
| 81 | pd.updateConfiguration(newConfig); |
| 82 | } |
| 83 | |
| 84 | @Override |
| 85 | public void onDisplayRemoved(int displayId) { } |
| 86 | }; |
| 87 | |
| 88 | @Inject |
| 89 | public SystemWindows(Context context, DisplayWindowController displayController, |
| 90 | IWindowManager wmService) { |
| 91 | mContext = context; |
| 92 | mWmService = wmService; |
| 93 | mDisplayController = displayController; |
| 94 | mDisplayController.addDisplayWindowListener(mDisplayListener); |
| 95 | try { |
| 96 | mSession = wmService.openSession( |
| 97 | new IWindowSessionCallback.Stub() { |
| 98 | @Override |
| 99 | public void onAnimatorScaleChanged(float scale) {} |
| 100 | }); |
| 101 | } catch (RemoteException e) { |
| 102 | Slog.e(TAG, "Unable to create layer", e); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Adds a view to system-ui window management. |
| 108 | */ |
| 109 | public void addView(View view, WindowManager.LayoutParams attrs, int displayId, |
| 110 | int windowType) { |
| 111 | PerDisplay pd = mPerDisplay.get(displayId); |
| 112 | if (pd == null) { |
| 113 | pd = new PerDisplay(displayId); |
| 114 | mPerDisplay.put(displayId, pd); |
| 115 | } |
| 116 | pd.addView(view, attrs, windowType); |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Removes a view from system-ui window management. |
| 121 | * @param view |
| 122 | */ |
| 123 | public void removeView(View view) { |
Robert Carr | 59b1888 | 2019-12-18 00:38:40 -0800 | [diff] [blame] | 124 | SurfaceControlViewHost root = mViewRoots.remove(view); |
Evan Rosky | 22b6bbd | 2019-09-26 14:29:57 -0700 | [diff] [blame] | 125 | root.die(); |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Updates the layout params of a view. |
| 130 | */ |
| 131 | public void updateViewLayout(@NonNull View view, ViewGroup.LayoutParams params) { |
Robert Carr | 59b1888 | 2019-12-18 00:38:40 -0800 | [diff] [blame] | 132 | SurfaceControlViewHost root = mViewRoots.get(view); |
Evan Rosky | 22b6bbd | 2019-09-26 14:29:57 -0700 | [diff] [blame] | 133 | if (root == null || !(params instanceof WindowManager.LayoutParams)) { |
| 134 | return; |
| 135 | } |
| 136 | view.setLayoutParams(params); |
| 137 | root.relayout((WindowManager.LayoutParams) params); |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * Adds a root for system-ui window management with no views. Only useful for IME. |
| 142 | */ |
| 143 | public void addRoot(int displayId, int windowType) { |
| 144 | PerDisplay pd = mPerDisplay.get(displayId); |
| 145 | if (pd == null) { |
| 146 | pd = new PerDisplay(displayId); |
| 147 | mPerDisplay.put(displayId, pd); |
| 148 | } |
| 149 | pd.addRoot(windowType); |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Get the IWindow token for a specific root. |
| 154 | * |
| 155 | * @param windowType A window type from {@link android.view.WindowManager}. |
| 156 | */ |
| 157 | IWindow getWindow(int displayId, int windowType) { |
| 158 | PerDisplay pd = mPerDisplay.get(displayId); |
| 159 | if (pd == null) { |
| 160 | return null; |
| 161 | } |
| 162 | return pd.getWindow(windowType); |
| 163 | } |
| 164 | |
| 165 | private class PerDisplay { |
| 166 | final int mDisplayId; |
| 167 | private final SparseArray<SysUiWindowManager> mWwms = new SparseArray<>(); |
| 168 | |
| 169 | PerDisplay(int displayId) { |
| 170 | mDisplayId = displayId; |
| 171 | } |
| 172 | |
| 173 | public void addView(View view, WindowManager.LayoutParams attrs, int windowType) { |
| 174 | SysUiWindowManager wwm = addRoot(windowType); |
| 175 | if (wwm == null) { |
| 176 | Slog.e(TAG, "Unable to create systemui root"); |
| 177 | return; |
| 178 | } |
| 179 | final Display display = mDisplayController.getDisplay(mDisplayId); |
Robert Carr | 59b1888 | 2019-12-18 00:38:40 -0800 | [diff] [blame] | 180 | SurfaceControlViewHost viewRoot = new SurfaceControlViewHost(mContext, display, wwm); |
Evan Rosky | 22b6bbd | 2019-09-26 14:29:57 -0700 | [diff] [blame] | 181 | attrs.flags |= FLAG_HARDWARE_ACCELERATED; |
| 182 | viewRoot.addView(view, attrs); |
| 183 | mViewRoots.put(view, viewRoot); |
| 184 | } |
| 185 | |
| 186 | SysUiWindowManager addRoot(int windowType) { |
| 187 | SysUiWindowManager wwm = mWwms.get(windowType); |
| 188 | if (wwm != null) { |
| 189 | return wwm; |
| 190 | } |
| 191 | SurfaceControl rootSurface = null; |
| 192 | ContainerWindow win = new ContainerWindow(); |
| 193 | try { |
| 194 | rootSurface = mWmService.addShellRoot(mDisplayId, win, windowType); |
| 195 | } catch (RemoteException e) { |
| 196 | } |
| 197 | if (rootSurface == null) { |
| 198 | Slog.e(TAG, "Unable to get root surfacecontrol for systemui"); |
| 199 | return null; |
| 200 | } |
| 201 | Context displayContext = mDisplayController.getDisplayContext(mDisplayId); |
| 202 | wwm = new SysUiWindowManager(mDisplayId, displayContext, rootSurface, win); |
| 203 | mWwms.put(windowType, wwm); |
| 204 | return wwm; |
| 205 | } |
| 206 | |
| 207 | IWindow getWindow(int windowType) { |
| 208 | SysUiWindowManager wwm = mWwms.get(windowType); |
| 209 | if (wwm == null) { |
| 210 | return null; |
| 211 | } |
| 212 | return wwm.mContainerWindow; |
| 213 | } |
| 214 | |
| 215 | void updateConfiguration(Configuration configuration) { |
| 216 | for (int i = 0; i < mWwms.size(); ++i) { |
| 217 | mWwms.valueAt(i).updateConfiguration(configuration); |
| 218 | } |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * A subclass of WindowlessWindowManager that provides insets to its viewroots. |
| 224 | */ |
| 225 | public class SysUiWindowManager extends WindowlessWindowManager { |
| 226 | final int mDisplayId; |
| 227 | ContainerWindow mContainerWindow; |
| 228 | public SysUiWindowManager(int displayId, Context ctx, SurfaceControl rootSurface, |
| 229 | ContainerWindow container) { |
| 230 | super(ctx.getResources().getConfiguration(), rootSurface, null /* hostInputToken */); |
| 231 | mContainerWindow = container; |
| 232 | mDisplayId = displayId; |
| 233 | } |
| 234 | |
| 235 | @Override |
| 236 | public int relayout(IWindow window, int seq, WindowManager.LayoutParams attrs, |
| 237 | int requestedWidth, int requestedHeight, int viewVisibility, int flags, |
| 238 | long frameNumber, Rect outFrame, Rect outOverscanInsets, Rect outContentInsets, |
| 239 | Rect outVisibleInsets, Rect outStableInsets, |
| 240 | DisplayCutout.ParcelableWrapper cutout, MergedConfiguration mergedConfiguration, |
Valerie Hau | 3036055 | 2020-01-14 16:12:01 -0800 | [diff] [blame] | 241 | SurfaceControl outSurfaceControl, InsetsState outInsetsState, |
Robert Carr | 2e20bcd | 2020-01-22 13:32:38 -0800 | [diff] [blame^] | 242 | Point outSurfaceSize, SurfaceControl outBLASTSurfaceControl) { |
Evan Rosky | 22b6bbd | 2019-09-26 14:29:57 -0700 | [diff] [blame] | 243 | int res = super.relayout(window, seq, attrs, requestedWidth, requestedHeight, |
| 244 | viewVisibility, flags, frameNumber, outFrame, outOverscanInsets, |
| 245 | outContentInsets, outVisibleInsets, outStableInsets, |
Valerie Hau | 3036055 | 2020-01-14 16:12:01 -0800 | [diff] [blame] | 246 | cutout, mergedConfiguration, outSurfaceControl, outInsetsState, |
Robert Carr | 2e20bcd | 2020-01-22 13:32:38 -0800 | [diff] [blame^] | 247 | outSurfaceSize, outBLASTSurfaceControl); |
Evan Rosky | 22b6bbd | 2019-09-26 14:29:57 -0700 | [diff] [blame] | 248 | if (res != 0) { |
| 249 | return res; |
| 250 | } |
| 251 | DisplayLayout dl = mDisplayController.getDisplayLayout(mDisplayId); |
| 252 | outStableInsets.set(dl.stableInsets()); |
| 253 | return 0; |
| 254 | } |
| 255 | |
| 256 | void updateConfiguration(Configuration configuration) { |
| 257 | setConfiguration(configuration); |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | class ContainerWindow extends IWindow.Stub { |
| 262 | ContainerWindow() {} |
| 263 | |
| 264 | @Override |
| 265 | public void resized(Rect frame, Rect contentInsets, Rect visibleInsets, Rect stableInsets, |
| 266 | boolean reportDraw, MergedConfiguration newMergedConfiguration, Rect backDropFrame, |
| 267 | boolean forceLayout, boolean alwaysConsumeSystemBars, int displayId, |
| 268 | DisplayCutout.ParcelableWrapper displayCutout) {} |
| 269 | |
| 270 | @Override |
| 271 | public void locationInParentDisplayChanged(Point offset) {} |
| 272 | |
| 273 | @Override |
| 274 | public void insetsChanged(InsetsState insetsState) {} |
| 275 | |
| 276 | @Override |
| 277 | public void insetsControlChanged(InsetsState insetsState, |
| 278 | InsetsSourceControl[] activeControls) {} |
| 279 | |
| 280 | @Override |
| 281 | public void showInsets(int types, boolean fromIme) {} |
| 282 | |
| 283 | @Override |
| 284 | public void hideInsets(int types, boolean fromIme) {} |
| 285 | |
| 286 | @Override |
| 287 | public void moved(int newX, int newY) {} |
| 288 | |
| 289 | @Override |
| 290 | public void dispatchAppVisibility(boolean visible) {} |
| 291 | |
| 292 | @Override |
| 293 | public void dispatchGetNewSurface() {} |
| 294 | |
| 295 | @Override |
| 296 | public void windowFocusChanged(boolean hasFocus, boolean inTouchMode) {} |
| 297 | |
| 298 | @Override |
| 299 | public void executeCommand(String command, String parameters, ParcelFileDescriptor out) {} |
| 300 | |
| 301 | @Override |
| 302 | public void closeSystemDialogs(String reason) {} |
| 303 | |
| 304 | @Override |
| 305 | public void dispatchWallpaperOffsets(float x, float y, float xStep, float yStep, |
| 306 | boolean sync) {} |
| 307 | |
| 308 | @Override |
| 309 | public void dispatchWallpaperCommand(String action, int x, int y, |
| 310 | int z, Bundle extras, boolean sync) {} |
| 311 | |
| 312 | /* Drag/drop */ |
| 313 | @Override |
| 314 | public void dispatchDragEvent(DragEvent event) {} |
| 315 | |
| 316 | @Override |
| 317 | public void updatePointerIcon(float x, float y) {} |
| 318 | |
| 319 | @Override |
| 320 | public void dispatchSystemUiVisibilityChanged(int seq, int globalVisibility, |
| 321 | int localValue, int localChanges) {} |
| 322 | |
| 323 | @Override |
| 324 | public void dispatchWindowShown() {} |
| 325 | |
| 326 | @Override |
| 327 | public void requestAppKeyboardShortcuts(IResultReceiver receiver, int deviceId) {} |
| 328 | |
| 329 | @Override |
| 330 | public void dispatchPointerCaptureChanged(boolean hasCapture) {} |
| 331 | } |
| 332 | } |