| /* |
| * Copyright (C) 2013 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 android.view; |
| |
| import static android.graphics.Matrix.MSCALE_X; |
| import static android.graphics.Matrix.MSCALE_Y; |
| import static android.graphics.Matrix.MSKEW_X; |
| import static android.graphics.Matrix.MSKEW_Y; |
| import static android.graphics.Matrix.MTRANS_X; |
| import static android.graphics.Matrix.MTRANS_Y; |
| import static android.view.Surface.ROTATION_270; |
| import static android.view.Surface.ROTATION_90; |
| import static android.view.SurfaceControlProto.HASH_CODE; |
| import static android.view.SurfaceControlProto.NAME; |
| |
| import android.annotation.Size; |
| import android.annotation.UnsupportedAppUsage; |
| import android.graphics.Bitmap; |
| import android.graphics.GraphicBuffer; |
| import android.graphics.Matrix; |
| import android.graphics.PixelFormat; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.graphics.Region; |
| import android.os.IBinder; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.os.Process; |
| import android.os.UserHandle; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| import android.util.proto.ProtoOutputStream; |
| import android.view.Surface.OutOfResourcesException; |
| |
| import com.android.internal.annotations.GuardedBy; |
| |
| import dalvik.system.CloseGuard; |
| |
| import libcore.util.NativeAllocationRegistry; |
| |
| import java.io.Closeable; |
| |
| /** |
| * SurfaceControl |
| * @hide |
| */ |
| public class SurfaceControl implements Parcelable { |
| private static final String TAG = "SurfaceControl"; |
| |
| private static native long nativeCreate(SurfaceSession session, String name, |
| int w, int h, int format, int flags, long parentObject, int windowType, int ownerUid) |
| throws OutOfResourcesException; |
| private static native long nativeReadFromParcel(Parcel in); |
| private static native void nativeWriteToParcel(long nativeObject, Parcel out); |
| private static native void nativeRelease(long nativeObject); |
| private static native void nativeDestroy(long nativeObject); |
| private static native void nativeDisconnect(long nativeObject); |
| |
| private static native Bitmap nativeScreenshot(IBinder displayToken, |
| Rect sourceCrop, int width, int height, int minLayer, int maxLayer, |
| boolean allLayers, boolean useIdentityTransform, int rotation); |
| private static native GraphicBuffer nativeScreenshotToBuffer(IBinder displayToken, |
| Rect sourceCrop, int width, int height, int minLayer, int maxLayer, |
| boolean allLayers, boolean useIdentityTransform, int rotation); |
| private static native void nativeScreenshot(IBinder displayToken, Surface consumer, |
| Rect sourceCrop, int width, int height, int minLayer, int maxLayer, |
| boolean allLayers, boolean useIdentityTransform); |
| private static native GraphicBuffer nativeCaptureLayers(IBinder layerHandleToken, |
| Rect sourceCrop, float frameScale); |
| |
| private static native long nativeCreateTransaction(); |
| private static native long nativeGetNativeTransactionFinalizer(); |
| private static native void nativeApplyTransaction(long transactionObj, boolean sync); |
| private static native void nativeMergeTransaction(long transactionObj, |
| long otherTransactionObj); |
| private static native void nativeSetAnimationTransaction(long transactionObj); |
| private static native void nativeSetEarlyWakeup(long transactionObj); |
| |
| private static native void nativeSetLayer(long transactionObj, long nativeObject, int zorder); |
| private static native void nativeSetRelativeLayer(long transactionObj, long nativeObject, |
| IBinder relativeTo, int zorder); |
| private static native void nativeSetPosition(long transactionObj, long nativeObject, |
| float x, float y); |
| private static native void nativeSetGeometryAppliesWithResize(long transactionObj, |
| long nativeObject); |
| private static native void nativeSetSize(long transactionObj, long nativeObject, int w, int h); |
| private static native void nativeSetTransparentRegionHint(long transactionObj, |
| long nativeObject, Region region); |
| private static native void nativeSetAlpha(long transactionObj, long nativeObject, float alpha); |
| private static native void nativeSetMatrix(long transactionObj, long nativeObject, |
| float dsdx, float dtdx, |
| float dtdy, float dsdy); |
| private static native void nativeSetColor(long transactionObj, long nativeObject, float[] color); |
| private static native void nativeSetFlags(long transactionObj, long nativeObject, |
| int flags, int mask); |
| private static native void nativeSetWindowCrop(long transactionObj, long nativeObject, |
| int l, int t, int r, int b); |
| private static native void nativeSetFinalCrop(long transactionObj, long nativeObject, |
| int l, int t, int r, int b); |
| private static native void nativeSetLayerStack(long transactionObj, long nativeObject, |
| int layerStack); |
| |
| private static native boolean nativeClearContentFrameStats(long nativeObject); |
| private static native boolean nativeGetContentFrameStats(long nativeObject, WindowContentFrameStats outStats); |
| private static native boolean nativeClearAnimationFrameStats(); |
| private static native boolean nativeGetAnimationFrameStats(WindowAnimationFrameStats outStats); |
| |
| private static native IBinder nativeGetBuiltInDisplay(int physicalDisplayId); |
| private static native IBinder nativeCreateDisplay(String name, boolean secure); |
| private static native void nativeDestroyDisplay(IBinder displayToken); |
| private static native void nativeSetDisplaySurface(long transactionObj, |
| IBinder displayToken, long nativeSurfaceObject); |
| private static native void nativeSetDisplayLayerStack(long transactionObj, |
| IBinder displayToken, int layerStack); |
| private static native void nativeSetDisplayProjection(long transactionObj, |
| IBinder displayToken, int orientation, |
| int l, int t, int r, int b, |
| int L, int T, int R, int B); |
| private static native void nativeSetDisplaySize(long transactionObj, IBinder displayToken, |
| int width, int height); |
| private static native SurfaceControl.PhysicalDisplayInfo[] nativeGetDisplayConfigs( |
| IBinder displayToken); |
| private static native int nativeGetActiveConfig(IBinder displayToken); |
| private static native boolean nativeSetActiveConfig(IBinder displayToken, int id); |
| private static native int[] nativeGetDisplayColorModes(IBinder displayToken); |
| private static native int nativeGetActiveColorMode(IBinder displayToken); |
| private static native boolean nativeSetActiveColorMode(IBinder displayToken, |
| int colorMode); |
| private static native void nativeSetDisplayPowerMode( |
| IBinder displayToken, int mode); |
| private static native void nativeDeferTransactionUntil(long transactionObj, long nativeObject, |
| IBinder handle, long frame); |
| private static native void nativeDeferTransactionUntilSurface(long transactionObj, |
| long nativeObject, |
| long surfaceObject, long frame); |
| private static native void nativeReparentChildren(long transactionObj, long nativeObject, |
| IBinder handle); |
| private static native void nativeReparent(long transactionObj, long nativeObject, |
| IBinder parentHandle); |
| private static native void nativeSeverChildren(long transactionObj, long nativeObject); |
| private static native void nativeSetOverrideScalingMode(long transactionObj, long nativeObject, |
| int scalingMode); |
| private static native void nativeDestroy(long transactionObj, long nativeObject); |
| private static native IBinder nativeGetHandle(long nativeObject); |
| private static native boolean nativeGetTransformToDisplayInverse(long nativeObject); |
| |
| private static native Display.HdrCapabilities nativeGetHdrCapabilities(IBinder displayToken); |
| |
| |
| private final CloseGuard mCloseGuard = CloseGuard.get(); |
| private final String mName; |
| long mNativeObject; // package visibility only for Surface.java access |
| |
| // TODO: Move this to native. |
| private final Object mSizeLock = new Object(); |
| @GuardedBy("mSizeLock") |
| private int mWidth; |
| @GuardedBy("mSizeLock") |
| private int mHeight; |
| |
| static Transaction sGlobalTransaction; |
| static long sTransactionNestCount = 0; |
| |
| /* flags used in constructor (keep in sync with ISurfaceComposerClient.h) */ |
| |
| /** |
| * Surface creation flag: Surface is created hidden |
| */ |
| @UnsupportedAppUsage |
| public static final int HIDDEN = 0x00000004; |
| |
| /** |
| * Surface creation flag: The surface contains secure content, special |
| * measures will be taken to disallow the surface's content to be copied |
| * from another process. In particular, screenshots and VNC servers will |
| * be disabled, but other measures can take place, for instance the |
| * surface might not be hardware accelerated. |
| * |
| */ |
| public static final int SECURE = 0x00000080; |
| |
| /** |
| * Surface creation flag: Creates a surface where color components are interpreted |
| * as "non pre-multiplied" by their alpha channel. Of course this flag is |
| * meaningless for surfaces without an alpha channel. By default |
| * surfaces are pre-multiplied, which means that each color component is |
| * already multiplied by its alpha value. In this case the blending |
| * equation used is: |
| * <p> |
| * <code>DEST = SRC + DEST * (1-SRC_ALPHA)</code> |
| * <p> |
| * By contrast, non pre-multiplied surfaces use the following equation: |
| * <p> |
| * <code>DEST = SRC * SRC_ALPHA * DEST * (1-SRC_ALPHA)</code> |
| * <p> |
| * pre-multiplied surfaces must always be used if transparent pixels are |
| * composited on top of each-other into the surface. A pre-multiplied |
| * surface can never lower the value of the alpha component of a given |
| * pixel. |
| * <p> |
| * In some rare situations, a non pre-multiplied surface is preferable. |
| * |
| */ |
| public static final int NON_PREMULTIPLIED = 0x00000100; |
| |
| /** |
| * Surface creation flag: Indicates that the surface must be considered opaque, |
| * even if its pixel format contains an alpha channel. This can be useful if an |
| * application needs full RGBA 8888 support for instance but will |
| * still draw every pixel opaque. |
| * <p> |
| * This flag is ignored if setAlpha() is used to make the surface non-opaque. |
| * Combined effects are (assuming a buffer format with an alpha channel): |
| * <ul> |
| * <li>OPAQUE + alpha(1.0) == opaque composition |
| * <li>OPAQUE + alpha(0.x) == blended composition |
| * <li>!OPAQUE + alpha(1.0) == blended composition |
| * <li>!OPAQUE + alpha(0.x) == blended composition |
| * </ul> |
| * If the underlying buffer lacks an alpha channel, the OPAQUE flag is effectively |
| * set automatically. |
| */ |
| public static final int OPAQUE = 0x00000400; |
| |
| /** |
| * Surface creation flag: Application requires a hardware-protected path to an |
| * external display sink. If a hardware-protected path is not available, |
| * then this surface will not be displayed on the external sink. |
| * |
| */ |
| public static final int PROTECTED_APP = 0x00000800; |
| |
| // 0x1000 is reserved for an independent DRM protected flag in framework |
| |
| /** |
| * Surface creation flag: Window represents a cursor glyph. |
| */ |
| public static final int CURSOR_WINDOW = 0x00002000; |
| |
| /** |
| * Surface creation flag: Creates a normal surface. |
| * This is the default. |
| * |
| */ |
| public static final int FX_SURFACE_NORMAL = 0x00000000; |
| |
| /** |
| * Surface creation flag: Creates a Dim surface. |
| * Everything behind this surface is dimmed by the amount specified |
| * in {@link #setAlpha}. It is an error to lock a Dim surface, since it |
| * doesn't have a backing store. |
| * |
| */ |
| public static final int FX_SURFACE_DIM = 0x00020000; |
| |
| /** |
| * Surface creation flag: Creates a container surface. |
| * This surface will have no buffers and will only be used |
| * as a container for other surfaces, or for its InputInfo. |
| */ |
| public static final int FX_SURFACE_CONTAINER = 0x00080000; |
| |
| /** |
| * Mask used for FX values above. |
| * |
| */ |
| public static final int FX_SURFACE_MASK = 0x000F0000; |
| |
| /* flags used with setFlags() (keep in sync with ISurfaceComposer.h) */ |
| |
| /** |
| * Surface flag: Hide the surface. |
| * Equivalent to calling hide(). |
| * Updates the value set during Surface creation (see {@link #HIDDEN}). |
| */ |
| private static final int SURFACE_HIDDEN = 0x01; |
| |
| /** |
| * Surface flag: composite without blending when possible. |
| * Updates the value set during Surface creation (see {@link #OPAQUE}). |
| */ |
| private static final int SURFACE_OPAQUE = 0x02; |
| |
| |
| /* built-in physical display ids (keep in sync with ISurfaceComposer.h) |
| * these are different from the logical display ids used elsewhere in the framework */ |
| |
| /** |
| * Built-in physical display id: Main display. |
| * Use only with {@link SurfaceControl#getBuiltInDisplay(int)}. |
| */ |
| public static final int BUILT_IN_DISPLAY_ID_MAIN = 0; |
| |
| /** |
| * Built-in physical display id: Attached HDMI display. |
| * Use only with {@link SurfaceControl#getBuiltInDisplay(int)}. |
| */ |
| public static final int BUILT_IN_DISPLAY_ID_HDMI = 1; |
| |
| /* Display power modes * / |
| |
| /** |
| * Display power mode off: used while blanking the screen. |
| * Use only with {@link SurfaceControl#setDisplayPowerMode}. |
| */ |
| public static final int POWER_MODE_OFF = 0; |
| |
| /** |
| * Display power mode doze: used while putting the screen into low power mode. |
| * Use only with {@link SurfaceControl#setDisplayPowerMode}. |
| */ |
| public static final int POWER_MODE_DOZE = 1; |
| |
| /** |
| * Display power mode normal: used while unblanking the screen. |
| * Use only with {@link SurfaceControl#setDisplayPowerMode}. |
| */ |
| public static final int POWER_MODE_NORMAL = 2; |
| |
| /** |
| * Display power mode doze: used while putting the screen into a suspended |
| * low power mode. Use only with {@link SurfaceControl#setDisplayPowerMode}. |
| */ |
| public static final int POWER_MODE_DOZE_SUSPEND = 3; |
| |
| /** |
| * Display power mode on: used while putting the screen into a suspended |
| * full power mode. Use only with {@link SurfaceControl#setDisplayPowerMode}. |
| */ |
| public static final int POWER_MODE_ON_SUSPEND = 4; |
| |
| /** |
| * A value for windowType used to indicate that the window should be omitted from screenshots |
| * and display mirroring. A temporary workaround until we express such things with |
| * the hierarchy. |
| * TODO: b/64227542 |
| * @hide |
| */ |
| public static final int WINDOW_TYPE_DONT_SCREENSHOT = 441731; |
| |
| /** |
| * Builder class for {@link SurfaceControl} objects. |
| */ |
| public static class Builder { |
| private SurfaceSession mSession; |
| private int mFlags = HIDDEN; |
| private int mWidth; |
| private int mHeight; |
| private int mFormat = PixelFormat.OPAQUE; |
| private String mName; |
| private SurfaceControl mParent; |
| private int mWindowType = -1; |
| private int mOwnerUid = -1; |
| |
| /** |
| * Begin building a SurfaceControl with a given {@link SurfaceSession}. |
| * |
| * @param session The {@link SurfaceSession} with which to eventually construct the surface. |
| */ |
| public Builder(SurfaceSession session) { |
| mSession = session; |
| } |
| |
| /** |
| * Construct a new {@link SurfaceControl} with the set parameters. |
| */ |
| public SurfaceControl build() { |
| if (mWidth <= 0 || mHeight <= 0) { |
| throw new IllegalArgumentException( |
| "width and height must be set"); |
| } |
| return new SurfaceControl(mSession, mName, mWidth, mHeight, mFormat, |
| mFlags, mParent, mWindowType, mOwnerUid); |
| } |
| |
| /** |
| * Set a debugging-name for the SurfaceControl. |
| * |
| * @param name A name to identify the Surface in debugging. |
| */ |
| public Builder setName(String name) { |
| mName = name; |
| return this; |
| } |
| |
| /** |
| * Set the initial size of the controlled surface's buffers in pixels. |
| * |
| * @param width The buffer width in pixels. |
| * @param height The buffer height in pixels. |
| */ |
| public Builder setSize(int width, int height) { |
| if (width <= 0 || height <= 0) { |
| throw new IllegalArgumentException( |
| "width and height must be positive"); |
| } |
| mWidth = width; |
| mHeight = height; |
| return this; |
| } |
| |
| /** |
| * Set the pixel format of the controlled surface's buffers, using constants from |
| * {@link android.graphics.PixelFormat}. |
| */ |
| public Builder setFormat(@PixelFormat.Format int format) { |
| mFormat = format; |
| return this; |
| } |
| |
| /** |
| * Specify if the app requires a hardware-protected path to |
| * an external display sync. If protected content is enabled, but |
| * such a path is not available, then the controlled Surface will |
| * not be displayed. |
| * |
| * @param protectedContent Whether to require a protected sink. |
| */ |
| public Builder setProtected(boolean protectedContent) { |
| if (protectedContent) { |
| mFlags |= PROTECTED_APP; |
| } else { |
| mFlags &= ~PROTECTED_APP; |
| } |
| return this; |
| } |
| |
| /** |
| * Specify whether the Surface contains secure content. If true, the system |
| * will prevent the surfaces content from being copied by another process. In |
| * particular screenshots and VNC servers will be disabled. This is however |
| * not a complete prevention of readback as {@link #setProtected}. |
| */ |
| public Builder setSecure(boolean secure) { |
| if (secure) { |
| mFlags |= SECURE; |
| } else { |
| mFlags &= ~SECURE; |
| } |
| return this; |
| } |
| |
| /** |
| * Indicates whether the surface must be considered opaque, |
| * even if its pixel format is set to translucent. This can be useful if an |
| * application needs full RGBA 8888 support for instance but will |
| * still draw every pixel opaque. |
| * <p> |
| * This flag only determines whether opacity will be sampled from the alpha channel. |
| * Plane-alpha from calls to setAlpha() can still result in blended composition |
| * regardless of the opaque setting. |
| * |
| * Combined effects are (assuming a buffer format with an alpha channel): |
| * <ul> |
| * <li>OPAQUE + alpha(1.0) == opaque composition |
| * <li>OPAQUE + alpha(0.x) == blended composition |
| * <li>OPAQUE + alpha(0.0) == no composition |
| * <li>!OPAQUE + alpha(1.0) == blended composition |
| * <li>!OPAQUE + alpha(0.x) == blended composition |
| * <li>!OPAQUE + alpha(0.0) == no composition |
| * </ul> |
| * If the underlying buffer lacks an alpha channel, it is as if setOpaque(true) |
| * were set automatically. |
| * @param opaque Whether the Surface is OPAQUE. |
| */ |
| public Builder setOpaque(boolean opaque) { |
| if (opaque) { |
| mFlags |= OPAQUE; |
| } else { |
| mFlags &= ~OPAQUE; |
| } |
| return this; |
| } |
| |
| /** |
| * Set a parent surface for our new SurfaceControl. |
| * |
| * Child surfaces are constrained to the onscreen region of their parent. |
| * Furthermore they stack relatively in Z order, and inherit the transformation |
| * of the parent. |
| * |
| * @param parent The parent control. |
| */ |
| public Builder setParent(SurfaceControl parent) { |
| mParent = parent; |
| return this; |
| } |
| |
| /** |
| * Set surface metadata. |
| * |
| * Currently these are window-types as per {@link WindowManager.LayoutParams} and |
| * owner UIDs. Child surfaces inherit their parents |
| * metadata so only the WindowManager needs to set this on root Surfaces. |
| * |
| * @param windowType A window-type |
| * @param ownerUid UID of the window owner. |
| */ |
| public Builder setMetadata(int windowType, int ownerUid) { |
| if (UserHandle.getAppId(Process.myUid()) != Process.SYSTEM_UID) { |
| throw new UnsupportedOperationException( |
| "It only makes sense to set Surface metadata from the WindowManager"); |
| } |
| mWindowType = windowType; |
| mOwnerUid = ownerUid; |
| return this; |
| } |
| |
| /** |
| * Indicate whether a 'ColorLayer' is to be constructed. |
| * |
| * Color layers will not have an associated BufferQueue and will instead always render a |
| * solid color (that is, solid before plane alpha). Currently that color is black. |
| * |
| * @param isColorLayer Whether to create a color layer. |
| */ |
| public Builder setColorLayer(boolean isColorLayer) { |
| if (isColorLayer) { |
| setFlags(FX_SURFACE_DIM, FX_SURFACE_MASK); |
| } else { |
| setBufferLayer(); |
| } |
| return this; |
| } |
| |
| /** |
| * Indicates whether a 'ContainerLayer' is to be constructed. |
| * |
| * Container layers will not be rendered in any fashion and instead are used |
| * as a parent of renderable layers. |
| * |
| * @param isContainerLayer Whether to create a container layer. |
| */ |
| public Builder setContainerLayer(boolean isContainerLayer) { |
| if (isContainerLayer) { |
| setFlags(FX_SURFACE_CONTAINER, FX_SURFACE_MASK); |
| } else { |
| setBufferLayer(); |
| } |
| return this; |
| } |
| |
| /** |
| * Indicates whether a buffer layer is to be constructed. |
| * |
| */ |
| public Builder setBufferLayer() { |
| return setFlags(FX_SURFACE_NORMAL, FX_SURFACE_MASK); |
| } |
| |
| /** |
| * Set 'Surface creation flags' such as {@link HIDDEN}, {@link SECURE}. |
| * |
| * TODO: Finish conversion to individual builder methods? |
| * @param flags The combined flags |
| */ |
| public Builder setFlags(int flags) { |
| mFlags = flags; |
| return this; |
| } |
| |
| private Builder setFlags(int flags, int mask) { |
| mFlags = (mFlags & ~mask) | flags; |
| return this; |
| } |
| } |
| |
| /** |
| * Create a surface with a name. |
| * <p> |
| * The surface creation flags specify what kind of surface to create and |
| * certain options such as whether the surface can be assumed to be opaque |
| * and whether it should be initially hidden. Surfaces should always be |
| * created with the {@link #HIDDEN} flag set to ensure that they are not |
| * made visible prematurely before all of the surface's properties have been |
| * configured. |
| * <p> |
| * Good practice is to first create the surface with the {@link #HIDDEN} flag |
| * specified, open a transaction, set the surface layer, layer stack, alpha, |
| * and position, call {@link #show} if appropriate, and close the transaction. |
| * |
| * @param session The surface session, must not be null. |
| * @param name The surface name, must not be null. |
| * @param w The surface initial width. |
| * @param h The surface initial height. |
| * @param flags The surface creation flags. Should always include {@link #HIDDEN} |
| * in the creation flags. |
| * @param windowType The type of the window as specified in WindowManager.java. |
| * @param ownerUid A unique per-app ID. |
| * |
| * @throws throws OutOfResourcesException If the SurfaceControl cannot be created. |
| */ |
| private SurfaceControl(SurfaceSession session, String name, int w, int h, int format, int flags, |
| SurfaceControl parent, int windowType, int ownerUid) |
| throws OutOfResourcesException, IllegalArgumentException { |
| if (session == null) { |
| throw new IllegalArgumentException("session must not be null"); |
| } |
| if (name == null) { |
| throw new IllegalArgumentException("name must not be null"); |
| } |
| |
| if ((flags & SurfaceControl.HIDDEN) == 0) { |
| Log.w(TAG, "Surfaces should always be created with the HIDDEN flag set " |
| + "to ensure that they are not made visible prematurely before " |
| + "all of the surface's properties have been configured. " |
| + "Set the other properties and make the surface visible within " |
| + "a transaction. New surface name: " + name, |
| new Throwable()); |
| } |
| |
| mName = name; |
| mWidth = w; |
| mHeight = h; |
| mNativeObject = nativeCreate(session, name, w, h, format, flags, |
| parent != null ? parent.mNativeObject : 0, windowType, ownerUid); |
| if (mNativeObject == 0) { |
| throw new OutOfResourcesException( |
| "Couldn't allocate SurfaceControl native object"); |
| } |
| |
| mCloseGuard.open("release"); |
| } |
| |
| // This is a transfer constructor, useful for transferring a live SurfaceControl native |
| // object to another Java wrapper which could have some different behavior, e.g. |
| // event logging. |
| public SurfaceControl(SurfaceControl other) { |
| mName = other.mName; |
| mWidth = other.mWidth; |
| mHeight = other.mHeight; |
| mNativeObject = other.mNativeObject; |
| other.mCloseGuard.close(); |
| other.mNativeObject = 0; |
| mCloseGuard.open("release"); |
| } |
| |
| private SurfaceControl(Parcel in) { |
| mName = in.readString(); |
| mWidth = in.readInt(); |
| mHeight = in.readInt(); |
| mNativeObject = nativeReadFromParcel(in); |
| if (mNativeObject == 0) { |
| throw new IllegalArgumentException("Couldn't read SurfaceControl from parcel=" + in); |
| } |
| mCloseGuard.open("release"); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeString(mName); |
| dest.writeInt(mWidth); |
| dest.writeInt(mHeight); |
| nativeWriteToParcel(mNativeObject, dest); |
| } |
| |
| /** |
| * Write to a protocol buffer output stream. Protocol buffer message definition is at {@link |
| * android.view.SurfaceControlProto}. |
| * |
| * @param proto Stream to write the SurfaceControl object to. |
| * @param fieldId Field Id of the SurfaceControl as defined in the parent message. |
| * @hide |
| */ |
| public void writeToProto(ProtoOutputStream proto, long fieldId) { |
| final long token = proto.start(fieldId); |
| proto.write(HASH_CODE, System.identityHashCode(this)); |
| proto.write(NAME, mName); |
| proto.end(token); |
| } |
| |
| public static final Creator<SurfaceControl> CREATOR |
| = new Creator<SurfaceControl>() { |
| public SurfaceControl createFromParcel(Parcel in) { |
| return new SurfaceControl(in); |
| } |
| |
| public SurfaceControl[] newArray(int size) { |
| return new SurfaceControl[size]; |
| } |
| }; |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| if (mCloseGuard != null) { |
| mCloseGuard.warnIfOpen(); |
| } |
| if (mNativeObject != 0) { |
| nativeRelease(mNativeObject); |
| } |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| /** |
| * Release the local reference to the server-side surface. |
| * Always call release() when you're done with a Surface. |
| * This will make the surface invalid. |
| */ |
| public void release() { |
| if (mNativeObject != 0) { |
| nativeRelease(mNativeObject); |
| mNativeObject = 0; |
| } |
| mCloseGuard.close(); |
| } |
| |
| /** |
| * Free all server-side state associated with this surface and |
| * release this object's reference. This method can only be |
| * called from the process that created the service. |
| */ |
| public void destroy() { |
| if (mNativeObject != 0) { |
| nativeDestroy(mNativeObject); |
| mNativeObject = 0; |
| } |
| mCloseGuard.close(); |
| } |
| |
| /** |
| * Disconnect any client still connected to the surface. |
| */ |
| public void disconnect() { |
| if (mNativeObject != 0) { |
| nativeDisconnect(mNativeObject); |
| } |
| } |
| |
| private void checkNotReleased() { |
| if (mNativeObject == 0) throw new NullPointerException( |
| "mNativeObject is null. Have you called release() already?"); |
| } |
| |
| /* |
| * set surface parameters. |
| * needs to be inside open/closeTransaction block |
| */ |
| |
| /** start a transaction */ |
| @UnsupportedAppUsage |
| public static void openTransaction() { |
| synchronized (SurfaceControl.class) { |
| if (sGlobalTransaction == null) { |
| sGlobalTransaction = new Transaction(); |
| } |
| synchronized(SurfaceControl.class) { |
| sTransactionNestCount++; |
| } |
| } |
| } |
| |
| private static void closeTransaction(boolean sync) { |
| synchronized(SurfaceControl.class) { |
| if (sTransactionNestCount == 0) { |
| Log.e(TAG, "Call to SurfaceControl.closeTransaction without matching openTransaction"); |
| } else if (--sTransactionNestCount > 0) { |
| return; |
| } |
| sGlobalTransaction.apply(sync); |
| } |
| } |
| |
| /** |
| * Merge the supplied transaction in to the deprecated "global" transaction. |
| * This clears the supplied transaction in an identical fashion to {@link Transaction#merge}. |
| * <p> |
| * This is a utility for interop with legacy-code and will go away with the Global Transaction. |
| */ |
| @Deprecated |
| public static void mergeToGlobalTransaction(Transaction t) { |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.merge(t); |
| } |
| } |
| |
| /** end a transaction */ |
| @UnsupportedAppUsage |
| public static void closeTransaction() { |
| closeTransaction(false); |
| } |
| |
| public static void closeTransactionSync() { |
| closeTransaction(true); |
| } |
| |
| public void deferTransactionUntil(IBinder handle, long frame) { |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.deferTransactionUntil(this, handle, frame); |
| } |
| } |
| |
| public void deferTransactionUntil(Surface barrier, long frame) { |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.deferTransactionUntilSurface(this, barrier, frame); |
| } |
| } |
| |
| public void reparentChildren(IBinder newParentHandle) { |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.reparentChildren(this, newParentHandle); |
| } |
| } |
| |
| public void reparent(IBinder newParentHandle) { |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.reparent(this, newParentHandle); |
| } |
| } |
| |
| public void detachChildren() { |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.detachChildren(this); |
| } |
| } |
| |
| public void setOverrideScalingMode(int scalingMode) { |
| checkNotReleased(); |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.setOverrideScalingMode(this, scalingMode); |
| } |
| } |
| |
| public IBinder getHandle() { |
| return nativeGetHandle(mNativeObject); |
| } |
| |
| public static void setAnimationTransaction() { |
| synchronized (SurfaceControl.class) { |
| sGlobalTransaction.setAnimationTransaction(); |
| } |
| } |
| |
| @UnsupportedAppUsage |
| public void setLayer(int zorder) { |
| checkNotReleased(); |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.setLayer(this, zorder); |
| } |
| } |
| |
| public void setRelativeLayer(SurfaceControl relativeTo, int zorder) { |
| checkNotReleased(); |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.setRelativeLayer(this, relativeTo, zorder); |
| } |
| } |
| |
| @UnsupportedAppUsage |
| public void setPosition(float x, float y) { |
| checkNotReleased(); |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.setPosition(this, x, y); |
| } |
| } |
| |
| public void setGeometryAppliesWithResize() { |
| checkNotReleased(); |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.setGeometryAppliesWithResize(this); |
| } |
| } |
| |
| public void setSize(int w, int h) { |
| checkNotReleased(); |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.setSize(this, w, h); |
| } |
| } |
| |
| @UnsupportedAppUsage |
| public void hide() { |
| checkNotReleased(); |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.hide(this); |
| } |
| } |
| |
| @UnsupportedAppUsage |
| public void show() { |
| checkNotReleased(); |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.show(this); |
| } |
| } |
| |
| public void setTransparentRegionHint(Region region) { |
| checkNotReleased(); |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.setTransparentRegionHint(this, region); |
| } |
| } |
| |
| public boolean clearContentFrameStats() { |
| checkNotReleased(); |
| return nativeClearContentFrameStats(mNativeObject); |
| } |
| |
| public boolean getContentFrameStats(WindowContentFrameStats outStats) { |
| checkNotReleased(); |
| return nativeGetContentFrameStats(mNativeObject, outStats); |
| } |
| |
| public static boolean clearAnimationFrameStats() { |
| return nativeClearAnimationFrameStats(); |
| } |
| |
| public static boolean getAnimationFrameStats(WindowAnimationFrameStats outStats) { |
| return nativeGetAnimationFrameStats(outStats); |
| } |
| |
| public void setAlpha(float alpha) { |
| checkNotReleased(); |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.setAlpha(this, alpha); |
| } |
| } |
| |
| public void setColor(@Size(3) float[] color) { |
| checkNotReleased(); |
| synchronized (SurfaceControl.class) { |
| sGlobalTransaction.setColor(this, color); |
| } |
| } |
| |
| public void setMatrix(float dsdx, float dtdx, float dtdy, float dsdy) { |
| checkNotReleased(); |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.setMatrix(this, dsdx, dtdx, dtdy, dsdy); |
| } |
| } |
| |
| /** |
| * Sets the transform and position of a {@link SurfaceControl} from a 3x3 transformation matrix. |
| * |
| * @param matrix The matrix to apply. |
| * @param float9 An array of 9 floats to be used to extract the values from the matrix. |
| */ |
| public void setMatrix(Matrix matrix, float[] float9) { |
| checkNotReleased(); |
| matrix.getValues(float9); |
| synchronized (SurfaceControl.class) { |
| sGlobalTransaction.setMatrix(this, float9[MSCALE_X], float9[MSKEW_Y], |
| float9[MSKEW_X], float9[MSCALE_Y]); |
| sGlobalTransaction.setPosition(this, float9[MTRANS_X], float9[MTRANS_Y]); |
| } |
| } |
| |
| public void setWindowCrop(Rect crop) { |
| checkNotReleased(); |
| synchronized (SurfaceControl.class) { |
| sGlobalTransaction.setWindowCrop(this, crop); |
| } |
| } |
| |
| public void setFinalCrop(Rect crop) { |
| checkNotReleased(); |
| synchronized (SurfaceControl.class) { |
| sGlobalTransaction.setFinalCrop(this, crop); |
| } |
| } |
| |
| public void setLayerStack(int layerStack) { |
| checkNotReleased(); |
| synchronized(SurfaceControl.class) { |
| sGlobalTransaction.setLayerStack(this, layerStack); |
| } |
| } |
| |
| public void setOpaque(boolean isOpaque) { |
| checkNotReleased(); |
| |
| synchronized (SurfaceControl.class) { |
| sGlobalTransaction.setOpaque(this, isOpaque); |
| } |
| } |
| |
| public void setSecure(boolean isSecure) { |
| checkNotReleased(); |
| |
| synchronized (SurfaceControl.class) { |
| sGlobalTransaction.setSecure(this, isSecure); |
| } |
| } |
| |
| public int getWidth() { |
| synchronized (mSizeLock) { |
| return mWidth; |
| } |
| } |
| |
| public int getHeight() { |
| synchronized (mSizeLock) { |
| return mHeight; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "Surface(name=" + mName + ")/@0x" + |
| Integer.toHexString(System.identityHashCode(this)); |
| } |
| |
| /* |
| * set display parameters. |
| * needs to be inside open/closeTransaction block |
| */ |
| |
| /** |
| * Describes the properties of a physical display known to surface flinger. |
| */ |
| public static final class PhysicalDisplayInfo { |
| @UnsupportedAppUsage |
| public int width; |
| @UnsupportedAppUsage |
| public int height; |
| @UnsupportedAppUsage |
| public float refreshRate; |
| @UnsupportedAppUsage |
| public float density; |
| @UnsupportedAppUsage |
| public float xDpi; |
| @UnsupportedAppUsage |
| public float yDpi; |
| @UnsupportedAppUsage |
| public boolean secure; |
| @UnsupportedAppUsage |
| public long appVsyncOffsetNanos; |
| @UnsupportedAppUsage |
| public long presentationDeadlineNanos; |
| |
| @UnsupportedAppUsage |
| public PhysicalDisplayInfo() { |
| } |
| |
| public PhysicalDisplayInfo(PhysicalDisplayInfo other) { |
| copyFrom(other); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| return o instanceof PhysicalDisplayInfo && equals((PhysicalDisplayInfo)o); |
| } |
| |
| public boolean equals(PhysicalDisplayInfo other) { |
| return other != null |
| && width == other.width |
| && height == other.height |
| && refreshRate == other.refreshRate |
| && density == other.density |
| && xDpi == other.xDpi |
| && yDpi == other.yDpi |
| && secure == other.secure |
| && appVsyncOffsetNanos == other.appVsyncOffsetNanos |
| && presentationDeadlineNanos == other.presentationDeadlineNanos; |
| } |
| |
| @Override |
| public int hashCode() { |
| return 0; // don't care |
| } |
| |
| public void copyFrom(PhysicalDisplayInfo other) { |
| width = other.width; |
| height = other.height; |
| refreshRate = other.refreshRate; |
| density = other.density; |
| xDpi = other.xDpi; |
| yDpi = other.yDpi; |
| secure = other.secure; |
| appVsyncOffsetNanos = other.appVsyncOffsetNanos; |
| presentationDeadlineNanos = other.presentationDeadlineNanos; |
| } |
| |
| // For debugging purposes |
| @Override |
| public String toString() { |
| return "PhysicalDisplayInfo{" + width + " x " + height + ", " + refreshRate + " fps, " |
| + "density " + density + ", " + xDpi + " x " + yDpi + " dpi, secure " + secure |
| + ", appVsyncOffset " + appVsyncOffsetNanos |
| + ", bufferDeadline " + presentationDeadlineNanos + "}"; |
| } |
| } |
| |
| public static void setDisplayPowerMode(IBinder displayToken, int mode) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| nativeSetDisplayPowerMode(displayToken, mode); |
| } |
| |
| @UnsupportedAppUsage |
| public static SurfaceControl.PhysicalDisplayInfo[] getDisplayConfigs(IBinder displayToken) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeGetDisplayConfigs(displayToken); |
| } |
| |
| public static int getActiveConfig(IBinder displayToken) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeGetActiveConfig(displayToken); |
| } |
| |
| public static boolean setActiveConfig(IBinder displayToken, int id) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeSetActiveConfig(displayToken, id); |
| } |
| |
| public static int[] getDisplayColorModes(IBinder displayToken) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeGetDisplayColorModes(displayToken); |
| } |
| |
| public static int getActiveColorMode(IBinder displayToken) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeGetActiveColorMode(displayToken); |
| } |
| |
| public static boolean setActiveColorMode(IBinder displayToken, int colorMode) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeSetActiveColorMode(displayToken, colorMode); |
| } |
| |
| @UnsupportedAppUsage |
| public static void setDisplayProjection(IBinder displayToken, |
| int orientation, Rect layerStackRect, Rect displayRect) { |
| synchronized (SurfaceControl.class) { |
| sGlobalTransaction.setDisplayProjection(displayToken, orientation, |
| layerStackRect, displayRect); |
| } |
| } |
| |
| @UnsupportedAppUsage |
| public static void setDisplayLayerStack(IBinder displayToken, int layerStack) { |
| synchronized (SurfaceControl.class) { |
| sGlobalTransaction.setDisplayLayerStack(displayToken, layerStack); |
| } |
| } |
| |
| @UnsupportedAppUsage |
| public static void setDisplaySurface(IBinder displayToken, Surface surface) { |
| synchronized (SurfaceControl.class) { |
| sGlobalTransaction.setDisplaySurface(displayToken, surface); |
| } |
| } |
| |
| public static void setDisplaySize(IBinder displayToken, int width, int height) { |
| synchronized (SurfaceControl.class) { |
| sGlobalTransaction.setDisplaySize(displayToken, width, height); |
| } |
| } |
| |
| public static Display.HdrCapabilities getHdrCapabilities(IBinder displayToken) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeGetHdrCapabilities(displayToken); |
| } |
| |
| @UnsupportedAppUsage |
| public static IBinder createDisplay(String name, boolean secure) { |
| if (name == null) { |
| throw new IllegalArgumentException("name must not be null"); |
| } |
| return nativeCreateDisplay(name, secure); |
| } |
| |
| @UnsupportedAppUsage |
| public static void destroyDisplay(IBinder displayToken) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| nativeDestroyDisplay(displayToken); |
| } |
| |
| @UnsupportedAppUsage |
| public static IBinder getBuiltInDisplay(int builtInDisplayId) { |
| return nativeGetBuiltInDisplay(builtInDisplayId); |
| } |
| |
| /** |
| * Copy the current screen contents into the provided {@link Surface} |
| * |
| * @param display The display to take the screenshot of. |
| * @param consumer The {@link Surface} to take the screenshot into. |
| * @param width The desired width of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param height The desired height of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param minLayer The lowest (bottom-most Z order) surface layer to |
| * include in the screenshot. |
| * @param maxLayer The highest (top-most Z order) surface layer to |
| * include in the screenshot. |
| * @param useIdentityTransform Replace whatever transformation (rotation, |
| * scaling, translation) the surface layers are currently using with the |
| * identity transformation while taking the screenshot. |
| */ |
| public static void screenshot(IBinder display, Surface consumer, |
| int width, int height, int minLayer, int maxLayer, |
| boolean useIdentityTransform) { |
| screenshot(display, consumer, new Rect(), width, height, minLayer, maxLayer, |
| false, useIdentityTransform); |
| } |
| |
| /** |
| * Copy the current screen contents into the provided {@link Surface} |
| * |
| * @param display The display to take the screenshot of. |
| * @param consumer The {@link Surface} to take the screenshot into. |
| * @param width The desired width of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param height The desired height of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| */ |
| public static void screenshot(IBinder display, Surface consumer, |
| int width, int height) { |
| screenshot(display, consumer, new Rect(), width, height, 0, 0, true, false); |
| } |
| |
| /** |
| * Copy the current screen contents into the provided {@link Surface} |
| * |
| * @param display The display to take the screenshot of. |
| * @param consumer The {@link Surface} to take the screenshot into. |
| */ |
| public static void screenshot(IBinder display, Surface consumer) { |
| screenshot(display, consumer, new Rect(), 0, 0, 0, 0, true, false); |
| } |
| |
| /** |
| * Copy the current screen contents into a hardware bitmap and return it. |
| * Note: If you want to modify the Bitmap in software, you will need to copy the Bitmap into |
| * a software Bitmap using {@link Bitmap#copy(Bitmap.Config, boolean)} |
| * |
| * CAVEAT: Versions of screenshot that return a {@link Bitmap} can |
| * be extremely slow; avoid use unless absolutely necessary; prefer |
| * the versions that use a {@link Surface} instead, such as |
| * {@link SurfaceControl#screenshot(IBinder, Surface)}. |
| * |
| * @param sourceCrop The portion of the screen to capture into the Bitmap; |
| * caller may pass in 'new Rect()' if no cropping is desired. |
| * @param width The desired width of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param height The desired height of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param minLayer The lowest (bottom-most Z order) surface layer to |
| * include in the screenshot. |
| * @param maxLayer The highest (top-most Z order) surface layer to |
| * include in the screenshot. |
| * @param useIdentityTransform Replace whatever transformation (rotation, |
| * scaling, translation) the surface layers are currently using with the |
| * identity transformation while taking the screenshot. |
| * @param rotation Apply a custom clockwise rotation to the screenshot, i.e. |
| * Surface.ROTATION_0,90,180,270. Surfaceflinger will always take |
| * screenshots in its native portrait orientation by default, so this is |
| * useful for returning screenshots that are independent of device |
| * orientation. |
| * @return Returns a hardware Bitmap containing the screen contents, or null |
| * if an error occurs. Make sure to call Bitmap.recycle() as soon as |
| * possible, once its content is not needed anymore. |
| */ |
| @UnsupportedAppUsage |
| public static Bitmap screenshot(Rect sourceCrop, int width, int height, |
| int minLayer, int maxLayer, boolean useIdentityTransform, |
| int rotation) { |
| // TODO: should take the display as a parameter |
| IBinder displayToken = SurfaceControl.getBuiltInDisplay( |
| SurfaceControl.BUILT_IN_DISPLAY_ID_MAIN); |
| return nativeScreenshot(displayToken, sourceCrop, width, height, |
| minLayer, maxLayer, false, useIdentityTransform, rotation); |
| } |
| |
| /** |
| * Like {@link SurfaceControl#screenshot(Rect, int, int, int, int, boolean, int)} |
| * but returns a GraphicBuffer. |
| */ |
| public static GraphicBuffer screenshotToBuffer(Rect sourceCrop, int width, int height, |
| int minLayer, int maxLayer, boolean useIdentityTransform, |
| int rotation) { |
| IBinder displayToken = SurfaceControl.getBuiltInDisplay( |
| SurfaceControl.BUILT_IN_DISPLAY_ID_MAIN); |
| return nativeScreenshotToBuffer(displayToken, sourceCrop, width, height, |
| minLayer, maxLayer, false, useIdentityTransform, rotation); |
| } |
| |
| /** |
| * Like {@link SurfaceControl#screenshot(Rect, int, int, int, int, boolean, int)} but |
| * includes all Surfaces in the screenshot. This will also update the orientation so it |
| * sends the correct coordinates to SF based on the rotation value. |
| * |
| * @param sourceCrop The portion of the screen to capture into the Bitmap; |
| * caller may pass in 'new Rect()' if no cropping is desired. |
| * @param width The desired width of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param height The desired height of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param rotation Apply a custom clockwise rotation to the screenshot, i.e. |
| * Surface.ROTATION_0,90,180,270. Surfaceflinger will always take |
| * screenshots in its native portrait orientation by default, so this is |
| * useful for returning screenshots that are independent of device |
| * orientation. |
| * @return Returns a Bitmap containing the screen contents, or null |
| * if an error occurs. Make sure to call Bitmap.recycle() as soon as |
| * possible, once its content is not needed anymore. |
| */ |
| public static Bitmap screenshot(Rect sourceCrop, int width, int height, int rotation) { |
| // TODO: should take the display as a parameter |
| IBinder displayToken = SurfaceControl.getBuiltInDisplay( |
| SurfaceControl.BUILT_IN_DISPLAY_ID_MAIN); |
| if (rotation == ROTATION_90 || rotation == ROTATION_270) { |
| rotation = (rotation == ROTATION_90) ? ROTATION_270 : ROTATION_90; |
| } |
| |
| SurfaceControl.rotateCropForSF(sourceCrop, rotation); |
| return nativeScreenshot(displayToken, sourceCrop, width, height, 0, 0, true, |
| false, rotation); |
| } |
| |
| @UnsupportedAppUsage |
| private static void screenshot(IBinder display, Surface consumer, Rect sourceCrop, |
| int width, int height, int minLayer, int maxLayer, boolean allLayers, |
| boolean useIdentityTransform) { |
| if (display == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| if (consumer == null) { |
| throw new IllegalArgumentException("consumer must not be null"); |
| } |
| nativeScreenshot(display, consumer, sourceCrop, width, height, |
| minLayer, maxLayer, allLayers, useIdentityTransform); |
| } |
| |
| private static void rotateCropForSF(Rect crop, int rot) { |
| if (rot == Surface.ROTATION_90 || rot == Surface.ROTATION_270) { |
| int tmp = crop.top; |
| crop.top = crop.left; |
| crop.left = tmp; |
| tmp = crop.right; |
| crop.right = crop.bottom; |
| crop.bottom = tmp; |
| } |
| } |
| |
| /** |
| * Captures a layer and its children and returns a {@link GraphicBuffer} with the content. |
| * |
| * @param layerHandleToken The root layer to capture. |
| * @param sourceCrop The portion of the root surface to capture; caller may pass in 'new |
| * Rect()' or null if no cropping is desired. |
| * @param frameScale The desired scale of the returned buffer; the raw |
| * screen will be scaled up/down. |
| * |
| * @return Returns a GraphicBuffer that contains the layer capture. |
| */ |
| public static GraphicBuffer captureLayers(IBinder layerHandleToken, Rect sourceCrop, |
| float frameScale) { |
| return nativeCaptureLayers(layerHandleToken, sourceCrop, frameScale); |
| } |
| |
| public static class Transaction implements Closeable { |
| public static final NativeAllocationRegistry sRegistry = new NativeAllocationRegistry( |
| Transaction.class.getClassLoader(), |
| nativeGetNativeTransactionFinalizer(), 512); |
| private long mNativeObject; |
| |
| private final ArrayMap<SurfaceControl, Point> mResizedSurfaces = new ArrayMap<>(); |
| Runnable mFreeNativeResources; |
| |
| @UnsupportedAppUsage |
| public Transaction() { |
| mNativeObject = nativeCreateTransaction(); |
| mFreeNativeResources |
| = sRegistry.registerNativeAllocation(this, mNativeObject); |
| } |
| |
| /** |
| * Apply the transaction, clearing it's state, and making it usable |
| * as a new transaction. |
| */ |
| @UnsupportedAppUsage |
| public void apply() { |
| apply(false); |
| } |
| |
| /** |
| * Close the transaction, if the transaction was not already applied this will cancel the |
| * transaction. |
| */ |
| @Override |
| public void close() { |
| mFreeNativeResources.run(); |
| mNativeObject = 0; |
| } |
| |
| /** |
| * Jankier version of apply. Avoid use (b/28068298). |
| */ |
| public void apply(boolean sync) { |
| applyResizedSurfaces(); |
| nativeApplyTransaction(mNativeObject, sync); |
| } |
| |
| private void applyResizedSurfaces() { |
| for (int i = mResizedSurfaces.size() - 1; i >= 0; i--) { |
| final Point size = mResizedSurfaces.valueAt(i); |
| final SurfaceControl surfaceControl = mResizedSurfaces.keyAt(i); |
| synchronized (surfaceControl.mSizeLock) { |
| surfaceControl.mWidth = size.x; |
| surfaceControl.mHeight = size.y; |
| } |
| } |
| mResizedSurfaces.clear(); |
| } |
| |
| @UnsupportedAppUsage |
| public Transaction show(SurfaceControl sc) { |
| sc.checkNotReleased(); |
| nativeSetFlags(mNativeObject, sc.mNativeObject, 0, SURFACE_HIDDEN); |
| return this; |
| } |
| |
| @UnsupportedAppUsage |
| public Transaction hide(SurfaceControl sc) { |
| sc.checkNotReleased(); |
| nativeSetFlags(mNativeObject, sc.mNativeObject, SURFACE_HIDDEN, SURFACE_HIDDEN); |
| return this; |
| } |
| |
| @UnsupportedAppUsage |
| public Transaction setPosition(SurfaceControl sc, float x, float y) { |
| sc.checkNotReleased(); |
| nativeSetPosition(mNativeObject, sc.mNativeObject, x, y); |
| return this; |
| } |
| |
| @UnsupportedAppUsage |
| public Transaction setSize(SurfaceControl sc, int w, int h) { |
| sc.checkNotReleased(); |
| mResizedSurfaces.put(sc, new Point(w, h)); |
| nativeSetSize(mNativeObject, sc.mNativeObject, w, h); |
| return this; |
| } |
| |
| @UnsupportedAppUsage |
| public Transaction setLayer(SurfaceControl sc, int z) { |
| sc.checkNotReleased(); |
| nativeSetLayer(mNativeObject, sc.mNativeObject, z); |
| return this; |
| } |
| |
| public Transaction setRelativeLayer(SurfaceControl sc, SurfaceControl relativeTo, int z) { |
| sc.checkNotReleased(); |
| nativeSetRelativeLayer(mNativeObject, sc.mNativeObject, |
| relativeTo.getHandle(), z); |
| return this; |
| } |
| |
| public Transaction setTransparentRegionHint(SurfaceControl sc, Region transparentRegion) { |
| sc.checkNotReleased(); |
| nativeSetTransparentRegionHint(mNativeObject, |
| sc.mNativeObject, transparentRegion); |
| return this; |
| } |
| |
| @UnsupportedAppUsage |
| public Transaction setAlpha(SurfaceControl sc, float alpha) { |
| sc.checkNotReleased(); |
| nativeSetAlpha(mNativeObject, sc.mNativeObject, alpha); |
| return this; |
| } |
| |
| @UnsupportedAppUsage |
| public Transaction setMatrix(SurfaceControl sc, |
| float dsdx, float dtdx, float dtdy, float dsdy) { |
| sc.checkNotReleased(); |
| nativeSetMatrix(mNativeObject, sc.mNativeObject, |
| dsdx, dtdx, dtdy, dsdy); |
| return this; |
| } |
| |
| @UnsupportedAppUsage |
| public Transaction setMatrix(SurfaceControl sc, Matrix matrix, float[] float9) { |
| matrix.getValues(float9); |
| setMatrix(sc, float9[MSCALE_X], float9[MSKEW_Y], |
| float9[MSKEW_X], float9[MSCALE_Y]); |
| setPosition(sc, float9[MTRANS_X], float9[MTRANS_Y]); |
| return this; |
| } |
| |
| @UnsupportedAppUsage |
| public Transaction setWindowCrop(SurfaceControl sc, Rect crop) { |
| sc.checkNotReleased(); |
| if (crop != null) { |
| nativeSetWindowCrop(mNativeObject, sc.mNativeObject, |
| crop.left, crop.top, crop.right, crop.bottom); |
| } else { |
| nativeSetWindowCrop(mNativeObject, sc.mNativeObject, 0, 0, 0, 0); |
| } |
| |
| return this; |
| } |
| |
| @UnsupportedAppUsage |
| public Transaction setFinalCrop(SurfaceControl sc, Rect crop) { |
| sc.checkNotReleased(); |
| if (crop != null) { |
| nativeSetFinalCrop(mNativeObject, sc.mNativeObject, |
| crop.left, crop.top, crop.right, crop.bottom); |
| } else { |
| nativeSetFinalCrop(mNativeObject, sc.mNativeObject, 0, 0, 0, 0); |
| } |
| |
| return this; |
| } |
| |
| public Transaction setLayerStack(SurfaceControl sc, int layerStack) { |
| sc.checkNotReleased(); |
| nativeSetLayerStack(mNativeObject, sc.mNativeObject, layerStack); |
| return this; |
| } |
| |
| @UnsupportedAppUsage |
| public Transaction deferTransactionUntil(SurfaceControl sc, IBinder handle, |
| long frameNumber) { |
| if (frameNumber < 0) { |
| return this; |
| } |
| sc.checkNotReleased(); |
| nativeDeferTransactionUntil(mNativeObject, sc.mNativeObject, handle, frameNumber); |
| return this; |
| } |
| |
| @UnsupportedAppUsage |
| public Transaction deferTransactionUntilSurface(SurfaceControl sc, Surface barrierSurface, |
| long frameNumber) { |
| if (frameNumber < 0) { |
| return this; |
| } |
| sc.checkNotReleased(); |
| nativeDeferTransactionUntilSurface(mNativeObject, sc.mNativeObject, |
| barrierSurface.mNativeObject, frameNumber); |
| return this; |
| } |
| |
| public Transaction reparentChildren(SurfaceControl sc, IBinder newParentHandle) { |
| sc.checkNotReleased(); |
| nativeReparentChildren(mNativeObject, sc.mNativeObject, newParentHandle); |
| return this; |
| } |
| |
| /** Re-parents a specific child layer to a new parent */ |
| public Transaction reparent(SurfaceControl sc, IBinder newParentHandle) { |
| sc.checkNotReleased(); |
| nativeReparent(mNativeObject, sc.mNativeObject, |
| newParentHandle); |
| return this; |
| } |
| |
| public Transaction detachChildren(SurfaceControl sc) { |
| sc.checkNotReleased(); |
| nativeSeverChildren(mNativeObject, sc.mNativeObject); |
| return this; |
| } |
| |
| public Transaction setOverrideScalingMode(SurfaceControl sc, int overrideScalingMode) { |
| sc.checkNotReleased(); |
| nativeSetOverrideScalingMode(mNativeObject, sc.mNativeObject, |
| overrideScalingMode); |
| return this; |
| } |
| |
| /** |
| * Sets a color for the Surface. |
| * @param color A float array with three values to represent r, g, b in range [0..1] |
| */ |
| @UnsupportedAppUsage |
| public Transaction setColor(SurfaceControl sc, @Size(3) float[] color) { |
| sc.checkNotReleased(); |
| nativeSetColor(mNativeObject, sc.mNativeObject, color); |
| return this; |
| } |
| |
| /** |
| * If the buffer size changes in this transaction, position and crop updates specified |
| * in this transaction will not complete until a buffer of the new size |
| * arrives. As transform matrix and size are already frozen in this fashion, |
| * this enables totally freezing the surface until the resize has completed |
| * (at which point the geometry influencing aspects of this transaction will then occur) |
| */ |
| public Transaction setGeometryAppliesWithResize(SurfaceControl sc) { |
| sc.checkNotReleased(); |
| nativeSetGeometryAppliesWithResize(mNativeObject, sc.mNativeObject); |
| return this; |
| } |
| |
| /** |
| * Sets the security of the surface. Setting the flag is equivalent to creating the |
| * Surface with the {@link #SECURE} flag. |
| */ |
| public Transaction setSecure(SurfaceControl sc, boolean isSecure) { |
| sc.checkNotReleased(); |
| if (isSecure) { |
| nativeSetFlags(mNativeObject, sc.mNativeObject, SECURE, SECURE); |
| } else { |
| nativeSetFlags(mNativeObject, sc.mNativeObject, 0, SECURE); |
| } |
| return this; |
| } |
| |
| /** |
| * Sets the opacity of the surface. Setting the flag is equivalent to creating the |
| * Surface with the {@link #OPAQUE} flag. |
| */ |
| public Transaction setOpaque(SurfaceControl sc, boolean isOpaque) { |
| sc.checkNotReleased(); |
| if (isOpaque) { |
| nativeSetFlags(mNativeObject, sc.mNativeObject, SURFACE_OPAQUE, SURFACE_OPAQUE); |
| } else { |
| nativeSetFlags(mNativeObject, sc.mNativeObject, 0, SURFACE_OPAQUE); |
| } |
| return this; |
| } |
| |
| /** |
| * Same as {@link #destroy()} except this is invoked in a transaction instead of |
| * immediately. |
| */ |
| public Transaction destroy(SurfaceControl sc) { |
| sc.checkNotReleased(); |
| |
| /** |
| * Perhaps it's safer to transfer the close guard to the Transaction |
| * but then we have a whole wonky scenario regarding merging, multiple |
| * close-guards per transaction etc...the whole scenario is kind of wonky |
| * and it seems really we'd like to just be able to call release here |
| * but the WindowManager has some code that looks like |
| * --- destroyInTransaction(a) |
| * --- reparentChildrenInTransaction(a) |
| * so we need to ensure the SC remains valid until the transaction |
| * is applied. |
| */ |
| sc.mCloseGuard.close(); |
| |
| nativeDestroy(mNativeObject, sc.mNativeObject); |
| return this; |
| } |
| |
| public Transaction setDisplaySurface(IBinder displayToken, Surface surface) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| |
| if (surface != null) { |
| synchronized (surface.mLock) { |
| nativeSetDisplaySurface(mNativeObject, displayToken, surface.mNativeObject); |
| } |
| } else { |
| nativeSetDisplaySurface(mNativeObject, displayToken, 0); |
| } |
| return this; |
| } |
| |
| public Transaction setDisplayLayerStack(IBinder displayToken, int layerStack) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| nativeSetDisplayLayerStack(mNativeObject, displayToken, layerStack); |
| return this; |
| } |
| |
| public Transaction setDisplayProjection(IBinder displayToken, |
| int orientation, Rect layerStackRect, Rect displayRect) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| if (layerStackRect == null) { |
| throw new IllegalArgumentException("layerStackRect must not be null"); |
| } |
| if (displayRect == null) { |
| throw new IllegalArgumentException("displayRect must not be null"); |
| } |
| nativeSetDisplayProjection(mNativeObject, displayToken, orientation, |
| layerStackRect.left, layerStackRect.top, layerStackRect.right, layerStackRect.bottom, |
| displayRect.left, displayRect.top, displayRect.right, displayRect.bottom); |
| return this; |
| } |
| |
| public Transaction setDisplaySize(IBinder displayToken, int width, int height) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| if (width <= 0 || height <= 0) { |
| throw new IllegalArgumentException("width and height must be positive"); |
| } |
| |
| nativeSetDisplaySize(mNativeObject, displayToken, width, height); |
| return this; |
| } |
| |
| /** flag the transaction as an animation */ |
| public Transaction setAnimationTransaction() { |
| nativeSetAnimationTransaction(mNativeObject); |
| return this; |
| } |
| |
| /** |
| * Indicate that SurfaceFlinger should wake up earlier than usual as a result of this |
| * transaction. This should be used when the caller thinks that the scene is complex enough |
| * that it's likely to hit GL composition, and thus, SurfaceFlinger needs to more time in |
| * order not to miss frame deadlines. |
| * <p> |
| * Corresponds to setting ISurfaceComposer::eEarlyWakeup |
| */ |
| public Transaction setEarlyWakeup() { |
| nativeSetEarlyWakeup(mNativeObject); |
| return this; |
| } |
| |
| /** |
| * Merge the other transaction into this transaction, clearing the |
| * other transaction as if it had been applied. |
| */ |
| public Transaction merge(Transaction other) { |
| mResizedSurfaces.putAll(other.mResizedSurfaces); |
| other.mResizedSurfaces.clear(); |
| nativeMergeTransaction(mNativeObject, other.mNativeObject); |
| return this; |
| } |
| } |
| } |