Examples with SurfaceControl android.view.SurfaceControl used on opensource projects

Example 6 with SurfaceControl

use of android.view.SurfaceControl in project platform_frameworks_base by android.

the class Session method performDrag.

public boolean performDrag(IWindow window, IBinder dragToken, int touchSource, float touchX, float touchY, float thumbCenterX, float thumbCenterY, ClipData data) {
    if (DEBUG_DRAG) {
        Slog.d(TAG_WM, "perform drag: win=" + window + " data=" + data);
    }
    synchronized (mService.mWindowMap) {
        if (mService.mDragState == null) {
            Slog.w(TAG_WM, "No drag prepared");
            throw new IllegalStateException("performDrag() without prepareDrag()");
        }
        if (dragToken != mService.mDragState.mToken) {
            Slog.w(TAG_WM, "Performing mismatched drag");
            throw new IllegalStateException("performDrag() does not match prepareDrag()");
        }
        WindowState callingWin = mService.windowForClientLocked(null, window, false);
        if (callingWin == null) {
            Slog.w(TAG_WM, "Bad requesting window " + window);
            // !!! TODO: throw here?
            return false;
        }
        // !!! TODO: if input is not still focused on the initiating window, fail
        // the drag initiation (e.g. an alarm window popped up just as the application
        // called performDrag()
        mService.mH.removeMessages(H.DRAG_START_TIMEOUT, window.asBinder());
        // !!! TODO: extract the current touch (x, y) in screen coordinates.  That
        // will let us eliminate the (touchX,touchY) parameters from the API.
        // !!! FIXME: put all this heavy stuff onto the mH looper, as well as
        // the actual drag event dispatch stuff in the dragstate
        final DisplayContent displayContent = callingWin.getDisplayContent();
        if (displayContent == null) {
            return false;
        }
        Display display = displayContent.getDisplay();
        mService.mDragState.register(display);
        mService.mInputMonitor.updateInputWindowsLw(true);
        if (!mService.mInputManager.transferTouchFocus(callingWin.mInputChannel, mService.mDragState.mServerChannel)) {
            Slog.e(TAG_WM, "Unable to transfer touch focus");
            mService.mDragState.unregister();
            mService.mDragState = null;
            mService.mInputMonitor.updateInputWindowsLw(true);
            return false;
        }
        mService.mDragState.mData = data;
        mService.mDragState.broadcastDragStartedLw(touchX, touchY);
        mService.mDragState.overridePointerIconLw(touchSource);
        // remember the thumb offsets for later
        mService.mDragState.mThumbOffsetX = thumbCenterX;
        mService.mDragState.mThumbOffsetY = thumbCenterY;
        // Make the surface visible at the proper location
        final SurfaceControl surfaceControl = mService.mDragState.mSurfaceControl;
        if (SHOW_LIGHT_TRANSACTIONS)
            Slog.i(TAG_WM, ">>> OPEN TRANSACTION performDrag");
        SurfaceControl.openTransaction();
        try {
            surfaceControl.setPosition(touchX - thumbCenterX, touchY - thumbCenterY);
            surfaceControl.setLayer(mService.mDragState.getDragLayerLw());
            surfaceControl.setLayerStack(display.getLayerStack());
            surfaceControl.show();
        } finally {
            SurfaceControl.closeTransaction();
            if (SHOW_LIGHT_TRANSACTIONS)
                Slog.i(TAG_WM, "<<< CLOSE TRANSACTION performDrag");
        }
        mService.mDragState.notifyLocationLw(touchX, touchY);
    }
    // success!
    return true;
}

Example 7 with SurfaceControl

use of android.view.SurfaceControl in project android_frameworks_base by DirtyUnicorns.

the class Session method performDrag.

public boolean performDrag(IWindow window, IBinder dragToken, int touchSource, float touchX, float touchY, float thumbCenterX, float thumbCenterY, ClipData data) {
    if (DEBUG_DRAG) {
        Slog.d(TAG_WM, "perform drag: win=" + window + " data=" + data);
    }
    synchronized (mService.mWindowMap) {
        if (mService.mDragState == null) {
            Slog.w(TAG_WM, "No drag prepared");
            throw new IllegalStateException("performDrag() without prepareDrag()");
        }
        if (dragToken != mService.mDragState.mToken) {
            Slog.w(TAG_WM, "Performing mismatched drag");
            throw new IllegalStateException("performDrag() does not match prepareDrag()");
        }
        WindowState callingWin = mService.windowForClientLocked(null, window, false);
        if (callingWin == null) {
            Slog.w(TAG_WM, "Bad requesting window " + window);
            // !!! TODO: throw here?
            return false;
        }
        // !!! TODO: if input is not still focused on the initiating window, fail
        // the drag initiation (e.g. an alarm window popped up just as the application
        // called performDrag()
        mService.mH.removeMessages(H.DRAG_START_TIMEOUT, window.asBinder());
        // !!! TODO: extract the current touch (x, y) in screen coordinates.  That
        // will let us eliminate the (touchX,touchY) parameters from the API.
        // !!! FIXME: put all this heavy stuff onto the mH looper, as well as
        // the actual drag event dispatch stuff in the dragstate
        final DisplayContent displayContent = callingWin.getDisplayContent();
        if (displayContent == null) {
            return false;
        }
        Display display = displayContent.getDisplay();
        mService.mDragState.register(display);
        mService.mInputMonitor.updateInputWindowsLw(true);
        if (!mService.mInputManager.transferTouchFocus(callingWin.mInputChannel, mService.mDragState.mServerChannel)) {
            Slog.e(TAG_WM, "Unable to transfer touch focus");
            mService.mDragState.unregister();
            mService.mDragState = null;
            mService.mInputMonitor.updateInputWindowsLw(true);
            return false;
        }
        mService.mDragState.mData = data;
        mService.mDragState.broadcastDragStartedLw(touchX, touchY);
        mService.mDragState.overridePointerIconLw(touchSource);
        // remember the thumb offsets for later
        mService.mDragState.mThumbOffsetX = thumbCenterX;
        mService.mDragState.mThumbOffsetY = thumbCenterY;
        // Make the surface visible at the proper location
        final SurfaceControl surfaceControl = mService.mDragState.mSurfaceControl;
        if (SHOW_LIGHT_TRANSACTIONS)
            Slog.i(TAG_WM, ">>> OPEN TRANSACTION performDrag");
        SurfaceControl.openTransaction();
        try {
            surfaceControl.setPosition(touchX - thumbCenterX, touchY - thumbCenterY);
            surfaceControl.setLayer(mService.mDragState.getDragLayerLw());
            surfaceControl.setLayerStack(display.getLayerStack());
            surfaceControl.show();
        } finally {
            SurfaceControl.closeTransaction();
            if (SHOW_LIGHT_TRANSACTIONS)
                Slog.i(TAG_WM, "<<< CLOSE TRANSACTION performDrag");
        }
        mService.mDragState.notifyLocationLw(touchX, touchY);
    }
    // success!
    return true;
}

Example 8 with SurfaceControl

use of android.view.SurfaceControl in project android_frameworks_base by DirtyUnicorns.

the class WindowManagerService method prepareDragSurface.

// -------------------------------------------------------------
// Drag and drop
// -------------------------------------------------------------
IBinder prepareDragSurface(IWindow window, SurfaceSession session, int flags, int width, int height, Surface outSurface) {
    if (DEBUG_DRAG) {
        Slog.d(TAG_WM, "prepare drag surface: w=" + width + " h=" + height + " flags=" + Integer.toHexString(flags) + " win=" + window + " asbinder=" + window.asBinder());
    }
    final int callerPid = Binder.getCallingPid();
    final int callerUid = Binder.getCallingUid();
    final long origId = Binder.clearCallingIdentity();
    IBinder token = null;
    try {
        synchronized (mWindowMap) {
            try {
                if (mDragState == null) {
                    // TODO(multi-display): support other displays
                    final DisplayContent displayContent = getDefaultDisplayContentLocked();
                    final Display display = displayContent.getDisplay();
                    SurfaceControl surface = new SurfaceControl(session, "drag surface", width, height, PixelFormat.TRANSLUCENT, SurfaceControl.HIDDEN);
                    surface.setLayerStack(display.getLayerStack());
                    float alpha = 1;
                    if ((flags & View.DRAG_FLAG_OPAQUE) == 0) {
                        alpha = DRAG_SHADOW_ALPHA_TRANSPARENT;
                    }
                    surface.setAlpha(alpha);
                    if (SHOW_TRANSACTIONS)
                        Slog.i(TAG_WM, "  DRAG " + surface + ": CREATE");
                    outSurface.copyFrom(surface);
                    final IBinder winBinder = window.asBinder();
                    token = new Binder();
                    mDragState = new DragState(this, token, surface, flags, winBinder);
                    mDragState.mPid = callerPid;
                    mDragState.mUid = callerUid;
                    mDragState.mOriginalAlpha = alpha;
                    token = mDragState.mToken = new Binder();
                    // 5 second timeout for this window to actually begin the drag
                    mH.removeMessages(H.DRAG_START_TIMEOUT, winBinder);
                    Message msg = mH.obtainMessage(H.DRAG_START_TIMEOUT, winBinder);
                    mH.sendMessageDelayed(msg, 5000);
                } else {
                    Slog.w(TAG_WM, "Drag already in progress");
                }
            } catch (OutOfResourcesException e) {
                Slog.e(TAG_WM, "Can't allocate drag surface w=" + width + " h=" + height, e);
                if (mDragState != null) {
                    mDragState.reset();
                    mDragState = null;
                }
            }
        }
    } finally {
        Binder.restoreCallingIdentity(origId);
    }
    return token;
}

Example 9 with SurfaceControl

use of android.view.SurfaceControl in project android_frameworks_base by ResurrectionRemix.

the class Session method performDrag.

public boolean performDrag(IWindow window, IBinder dragToken, int touchSource, float touchX, float touchY, float thumbCenterX, float thumbCenterY, ClipData data) {
    if (DEBUG_DRAG) {
        Slog.d(TAG_WM, "perform drag: win=" + window + " data=" + data);
    }
    synchronized (mService.mWindowMap) {
        if (mService.mDragState == null) {
            Slog.w(TAG_WM, "No drag prepared");
            throw new IllegalStateException("performDrag() without prepareDrag()");
        }
        if (dragToken != mService.mDragState.mToken) {
            Slog.w(TAG_WM, "Performing mismatched drag");
            throw new IllegalStateException("performDrag() does not match prepareDrag()");
        }
        WindowState callingWin = mService.windowForClientLocked(null, window, false);
        if (callingWin == null) {
            Slog.w(TAG_WM, "Bad requesting window " + window);
            // !!! TODO: throw here?
            return false;
        }
        // !!! TODO: if input is not still focused on the initiating window, fail
        // the drag initiation (e.g. an alarm window popped up just as the application
        // called performDrag()
        mService.mH.removeMessages(H.DRAG_START_TIMEOUT, window.asBinder());
        // !!! TODO: extract the current touch (x, y) in screen coordinates.  That
        // will let us eliminate the (touchX,touchY) parameters from the API.
        // !!! FIXME: put all this heavy stuff onto the mH looper, as well as
        // the actual drag event dispatch stuff in the dragstate
        final DisplayContent displayContent = callingWin.getDisplayContent();
        if (displayContent == null) {
            return false;
        }
        Display display = displayContent.getDisplay();
        mService.mDragState.register(display);
        mService.mInputMonitor.updateInputWindowsLw(true);
        if (!mService.mInputManager.transferTouchFocus(callingWin.mInputChannel, mService.mDragState.mServerChannel)) {
            Slog.e(TAG_WM, "Unable to transfer touch focus");
            mService.mDragState.unregister();
            mService.mDragState = null;
            mService.mInputMonitor.updateInputWindowsLw(true);
            return false;
        }
        mService.mDragState.mData = data;
        mService.mDragState.broadcastDragStartedLw(touchX, touchY);
        mService.mDragState.overridePointerIconLw(touchSource);
        // remember the thumb offsets for later
        mService.mDragState.mThumbOffsetX = thumbCenterX;
        mService.mDragState.mThumbOffsetY = thumbCenterY;
        // Make the surface visible at the proper location
        final SurfaceControl surfaceControl = mService.mDragState.mSurfaceControl;
        if (SHOW_LIGHT_TRANSACTIONS)
            Slog.i(TAG_WM, ">>> OPEN TRANSACTION performDrag");
        SurfaceControl.openTransaction();
        try {
            surfaceControl.setPosition(touchX - thumbCenterX, touchY - thumbCenterY);
            surfaceControl.setLayer(mService.mDragState.getDragLayerLw());
            surfaceControl.setLayerStack(display.getLayerStack());
            surfaceControl.show();
        } finally {
            SurfaceControl.closeTransaction();
            if (SHOW_LIGHT_TRANSACTIONS)
                Slog.i(TAG_WM, "<<< CLOSE TRANSACTION performDrag");
        }
        mService.mDragState.notifyLocationLw(touchX, touchY);
    }
    // success!
    return true;
}

Example 10 with SurfaceControl

use of android.view.SurfaceControl in project android_frameworks_base by ResurrectionRemix.

the class WindowManagerService method prepareDragSurface.

// -------------------------------------------------------------
// Drag and drop
// -------------------------------------------------------------
IBinder prepareDragSurface(IWindow window, SurfaceSession session, int flags, int width, int height, Surface outSurface) {
    if (DEBUG_DRAG) {
        Slog.d(TAG_WM, "prepare drag surface: w=" + width + " h=" + height + " flags=" + Integer.toHexString(flags) + " win=" + window + " asbinder=" + window.asBinder());
    }
    final int callerPid = Binder.getCallingPid();
    final int callerUid = Binder.getCallingUid();
    final long origId = Binder.clearCallingIdentity();
    IBinder token = null;
    try {
        synchronized (mWindowMap) {
            try {
                if (mDragState == null) {
                    // TODO(multi-display): support other displays
                    final DisplayContent displayContent = getDefaultDisplayContentLocked();
                    final Display display = displayContent.getDisplay();
                    SurfaceControl surface = new SurfaceControl(session, "drag surface", width, height, PixelFormat.TRANSLUCENT, SurfaceControl.HIDDEN);
                    surface.setLayerStack(display.getLayerStack());
                    float alpha = 1;
                    if ((flags & View.DRAG_FLAG_OPAQUE) == 0) {
                        alpha = DRAG_SHADOW_ALPHA_TRANSPARENT;
                    }
                    surface.setAlpha(alpha);
                    if (SHOW_TRANSACTIONS)
                        Slog.i(TAG_WM, "  DRAG " + surface + ": CREATE");
                    outSurface.copyFrom(surface);
                    final IBinder winBinder = window.asBinder();
                    token = new Binder();
                    mDragState = new DragState(this, token, surface, flags, winBinder);
                    mDragState.mPid = callerPid;
                    mDragState.mUid = callerUid;
                    mDragState.mOriginalAlpha = alpha;
                    token = mDragState.mToken = new Binder();
                    // 5 second timeout for this window to actually begin the drag
                    mH.removeMessages(H.DRAG_START_TIMEOUT, winBinder);
                    Message msg = mH.obtainMessage(H.DRAG_START_TIMEOUT, winBinder);
                    mH.sendMessageDelayed(msg, 5000);
                } else {
                    Slog.w(TAG_WM, "Drag already in progress");
                }
            } catch (OutOfResourcesException e) {
                Slog.e(TAG_WM, "Can't allocate drag surface w=" + width + " h=" + height, e);
                if (mDragState != null) {
                    mDragState.reset();
                    mDragState = null;
                }
            }
        }
    } finally {
        Binder.restoreCallingIdentity(origId);
    }
    return token;
}