Wale Ogunwale | 828ff7e | 2017-11-14 01:01:29 +0000 | [diff] [blame] | 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 android.view; |
| 18 | |
| 19 | import static android.view.Surface.ROTATION_180; |
| 20 | import static android.view.Surface.ROTATION_270; |
| 21 | import static android.view.Surface.ROTATION_90; |
| 22 | import static com.android.server.wm.proto.DisplayFramesProto.STABLE_BOUNDS; |
| 23 | |
| 24 | import android.graphics.Rect; |
| 25 | import android.util.proto.ProtoOutputStream; |
| 26 | |
| 27 | import java.io.PrintWriter; |
| 28 | |
| 29 | /** |
| 30 | * Container class for all the display frames that affect how we do window layout on a display. |
| 31 | * @hide |
| 32 | */ |
| 33 | public class DisplayFrames { |
| 34 | public final int mDisplayId; |
| 35 | |
| 36 | /** |
| 37 | * The current size of the screen; really; extends into the overscan area of the screen and |
| 38 | * doesn't account for any system elements like the status bar. |
| 39 | */ |
| 40 | public final Rect mOverscan = new Rect(); |
| 41 | |
| 42 | /** |
| 43 | * The current visible size of the screen; really; (ir)regardless of whether the status bar can |
| 44 | * be hidden but not extending into the overscan area. |
| 45 | */ |
| 46 | public final Rect mUnrestricted = new Rect(); |
| 47 | |
| 48 | /** Like mOverscan*, but allowed to move into the overscan region where appropriate. */ |
| 49 | public final Rect mRestrictedOverscan = new Rect(); |
| 50 | |
| 51 | /** |
| 52 | * The current size of the screen; these may be different than (0,0)-(dw,dh) if the status bar |
| 53 | * can't be hidden; in that case it effectively carves out that area of the display from all |
| 54 | * other windows. |
| 55 | */ |
| 56 | public final Rect mRestricted = new Rect(); |
| 57 | |
| 58 | /** |
| 59 | * During layout, the current screen borders accounting for any currently visible system UI |
| 60 | * elements. |
| 61 | */ |
| 62 | public final Rect mSystem = new Rect(); |
| 63 | |
| 64 | /** For applications requesting stable content insets, these are them. */ |
| 65 | public final Rect mStable = new Rect(); |
| 66 | |
| 67 | /** |
| 68 | * For applications requesting stable content insets but have also set the fullscreen window |
| 69 | * flag, these are the stable dimensions without the status bar. |
| 70 | */ |
| 71 | public final Rect mStableFullscreen = new Rect(); |
| 72 | |
| 73 | /** |
| 74 | * During layout, the current screen borders with all outer decoration (status bar, input method |
| 75 | * dock) accounted for. |
| 76 | */ |
| 77 | public final Rect mCurrent = new Rect(); |
| 78 | |
| 79 | /** |
| 80 | * During layout, the frame in which content should be displayed to the user, accounting for all |
| 81 | * screen decoration except for any space they deem as available for other content. This is |
| 82 | * usually the same as mCurrent*, but may be larger if the screen decor has supplied content |
| 83 | * insets. |
| 84 | */ |
| 85 | public final Rect mContent = new Rect(); |
| 86 | |
| 87 | /** |
| 88 | * During layout, the frame in which voice content should be displayed to the user, accounting |
| 89 | * for all screen decoration except for any space they deem as available for other content. |
| 90 | */ |
| 91 | public final Rect mVoiceContent = new Rect(); |
| 92 | |
| 93 | /** During layout, the current screen borders along which input method windows are placed. */ |
| 94 | public final Rect mDock = new Rect(); |
| 95 | |
| 96 | private final Rect mDisplayInfoOverscan = new Rect(); |
| 97 | private final Rect mRotatedDisplayInfoOverscan = new Rect(); |
| 98 | public int mDisplayWidth; |
| 99 | public int mDisplayHeight; |
| 100 | |
| 101 | public int mRotation; |
| 102 | |
| 103 | public DisplayFrames(int displayId, DisplayInfo info) { |
| 104 | mDisplayId = displayId; |
| 105 | onDisplayInfoUpdated(info); |
| 106 | } |
| 107 | |
| 108 | public void onDisplayInfoUpdated(DisplayInfo info) { |
| 109 | mDisplayWidth = info.logicalWidth; |
| 110 | mDisplayHeight = info.logicalHeight; |
| 111 | mRotation = info.rotation; |
| 112 | mDisplayInfoOverscan.set( |
| 113 | info.overscanLeft, info.overscanTop, info.overscanRight, info.overscanBottom); |
| 114 | } |
| 115 | |
| 116 | public void onBeginLayout() { |
| 117 | switch (mRotation) { |
| 118 | case ROTATION_90: |
| 119 | mRotatedDisplayInfoOverscan.left = mDisplayInfoOverscan.top; |
| 120 | mRotatedDisplayInfoOverscan.top = mDisplayInfoOverscan.right; |
| 121 | mRotatedDisplayInfoOverscan.right = mDisplayInfoOverscan.bottom; |
| 122 | mRotatedDisplayInfoOverscan.bottom = mDisplayInfoOverscan.left; |
| 123 | break; |
| 124 | case ROTATION_180: |
| 125 | mRotatedDisplayInfoOverscan.left = mDisplayInfoOverscan.right; |
| 126 | mRotatedDisplayInfoOverscan.top = mDisplayInfoOverscan.bottom; |
| 127 | mRotatedDisplayInfoOverscan.right = mDisplayInfoOverscan.left; |
| 128 | mRotatedDisplayInfoOverscan.bottom = mDisplayInfoOverscan.top; |
| 129 | break; |
| 130 | case ROTATION_270: |
| 131 | mRotatedDisplayInfoOverscan.left = mDisplayInfoOverscan.bottom; |
| 132 | mRotatedDisplayInfoOverscan.top = mDisplayInfoOverscan.left; |
| 133 | mRotatedDisplayInfoOverscan.right = mDisplayInfoOverscan.top; |
| 134 | mRotatedDisplayInfoOverscan.bottom = mDisplayInfoOverscan.right; |
| 135 | break; |
| 136 | default: |
| 137 | mRotatedDisplayInfoOverscan.set(mDisplayInfoOverscan); |
| 138 | break; |
| 139 | } |
| 140 | |
| 141 | mRestrictedOverscan.set(0, 0, mDisplayWidth, mDisplayHeight); |
| 142 | mOverscan.set(mRestrictedOverscan); |
| 143 | mSystem.set(mRestrictedOverscan); |
| 144 | mUnrestricted.set(mRotatedDisplayInfoOverscan); |
| 145 | mUnrestricted.right = mDisplayWidth - mUnrestricted.right; |
| 146 | mUnrestricted.bottom = mDisplayHeight - mUnrestricted.bottom; |
| 147 | mRestricted.set(mUnrestricted); |
| 148 | mDock.set(mUnrestricted); |
| 149 | mContent.set(mUnrestricted); |
| 150 | mVoiceContent.set(mUnrestricted); |
| 151 | mStable.set(mUnrestricted); |
| 152 | mStableFullscreen.set(mUnrestricted); |
| 153 | mCurrent.set(mUnrestricted); |
| 154 | |
| 155 | } |
| 156 | |
| 157 | public int getInputMethodWindowVisibleHeight() { |
| 158 | return mDock.bottom - mCurrent.bottom; |
| 159 | } |
| 160 | |
| 161 | public void writeToProto(ProtoOutputStream proto, long fieldId) { |
| 162 | final long token = proto.start(fieldId); |
| 163 | mStable.writeToProto(proto, STABLE_BOUNDS); |
| 164 | proto.end(token); |
| 165 | } |
| 166 | |
| 167 | public void dump(String prefix, PrintWriter pw) { |
| 168 | pw.println(prefix + "DisplayFrames w=" + mDisplayWidth + " h=" + mDisplayHeight |
| 169 | + " r=" + mRotation); |
| 170 | final String myPrefix = prefix + " "; |
| 171 | dumpFrame(mStable, "mStable", myPrefix, pw); |
| 172 | dumpFrame(mStableFullscreen, "mStableFullscreen", myPrefix, pw); |
| 173 | dumpFrame(mDock, "mDock", myPrefix, pw); |
| 174 | dumpFrame(mCurrent, "mCurrent", myPrefix, pw); |
| 175 | dumpFrame(mSystem, "mSystem", myPrefix, pw); |
| 176 | dumpFrame(mContent, "mContent", myPrefix, pw); |
| 177 | dumpFrame(mVoiceContent, "mVoiceContent", myPrefix, pw); |
| 178 | dumpFrame(mOverscan, "mOverscan", myPrefix, pw); |
| 179 | dumpFrame(mRestrictedOverscan, "mRestrictedOverscan", myPrefix, pw); |
| 180 | dumpFrame(mRestricted, "mRestricted", myPrefix, pw); |
| 181 | dumpFrame(mUnrestricted, "mUnrestricted", myPrefix, pw); |
| 182 | dumpFrame(mDisplayInfoOverscan, "mDisplayInfoOverscan", myPrefix, pw); |
| 183 | dumpFrame(mRotatedDisplayInfoOverscan, "mRotatedDisplayInfoOverscan", myPrefix, pw); |
| 184 | } |
| 185 | |
| 186 | private void dumpFrame(Rect frame, String name, String prefix, PrintWriter pw) { |
| 187 | pw.print(prefix + name + "="); frame.printShortString(pw); pw.println(); |
| 188 | } |
| 189 | } |