1 /* 2 * Copyright (C) 2006 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 #ifndef ANDROID_ISURFACE_COMPOSER_H 18 #define ANDROID_ISURFACE_COMPOSER_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <utils/RefBase.h> 24 #include <utils/Errors.h> 25 #include <binder/IInterface.h> 26 27 #include <ui/PixelFormat.h> 28 #include <ui/ISurfaceFlingerClient.h> 29 30 namespace android { 31 32 // ---------------------------------------------------------------------------- 33 34 class DisplayInfo; 35 36 class ISurfaceComposer : public IInterface 37 { 38 public: 39 DECLARE_META_INTERFACE(SurfaceComposer); 40 41 enum { // (keep in sync with Surface.java) 42 eHidden = 0x00000004, 43 eDestroyBackbuffer = 0x00000020, 44 eSecure = 0x00000080, 45 eNonPremultiplied = 0x00000100, 46 ePushBuffers = 0x00000200, 47 48 eFXSurfaceNormal = 0x00000000, 49 eFXSurfaceBlur = 0x00010000, 50 eFXSurfaceDim = 0x00020000, 51 eFXSurfaceMask = 0x000F0000, 52 }; 53 54 enum { 55 ePositionChanged = 0x00000001, 56 eLayerChanged = 0x00000002, 57 eSizeChanged = 0x00000004, 58 eAlphaChanged = 0x00000008, 59 eMatrixChanged = 0x00000010, 60 eTransparentRegionChanged = 0x00000020, 61 eVisibilityChanged = 0x00000040, 62 eFreezeTintChanged = 0x00000080, 63 }; 64 65 enum { 66 eLayerHidden = 0x01, 67 eLayerFrozen = 0x02, 68 eLayerDither = 0x04, 69 eLayerFilter = 0x08, 70 eLayerBlurFreeze = 0x10 71 }; 72 73 enum { 74 eOrientationDefault = 0, 75 eOrientation90 = 1, 76 eOrientation180 = 2, 77 eOrientation270 = 3, 78 eOrientationSwapMask = 0x01 79 }; 80 81 // flags for setOrientation 82 enum { 83 eOrientationAnimationDisable = 0x00000001 84 }; 85 86 /* create connection with surface flinger, requires 87 * ACCESS_SURFACE_FLINGER permission 88 */ 89 90 virtual sp<ISurfaceFlingerClient> createConnection() = 0; 91 92 /* retrieve the control block */ 93 virtual sp<IMemoryHeap> getCblk() const = 0; 94 95 /* open/close transactions. recquires ACCESS_SURFACE_FLINGER permission */ 96 virtual void openGlobalTransaction() = 0; 97 virtual void closeGlobalTransaction() = 0; 98 99 /* [un]freeze display. recquires ACCESS_SURFACE_FLINGER permission */ 100 virtual status_t freezeDisplay(DisplayID dpy, uint32_t flags) = 0; 101 virtual status_t unfreezeDisplay(DisplayID dpy, uint32_t flags) = 0; 102 103 /* Set display orientation. recquires ACCESS_SURFACE_FLINGER permission */ 104 virtual int setOrientation(DisplayID dpy, int orientation, uint32_t flags) = 0; 105 106 /* signal that we're done booting. 107 * recquires ACCESS_SURFACE_FLINGER permission 108 */ 109 virtual void bootFinished() = 0; 110 111 /* Signal surfaceflinger that there might be some work to do 112 * This is an ASYNCHRONOUS call. 113 */ 114 virtual void signal() const = 0; 115 }; 116 117 // ---------------------------------------------------------------------------- 118 119 class BnSurfaceComposer : public BnInterface<ISurfaceComposer> 120 { 121 public: 122 enum { 123 // Note: BOOT_FINISHED must remain this value, it is called from 124 // Java by ActivityManagerService. 125 BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION, 126 CREATE_CONNECTION, 127 GET_CBLK, 128 OPEN_GLOBAL_TRANSACTION, 129 CLOSE_GLOBAL_TRANSACTION, 130 SET_ORIENTATION, 131 FREEZE_DISPLAY, 132 UNFREEZE_DISPLAY, 133 SIGNAL 134 }; 135 136 virtual status_t onTransact( uint32_t code, 137 const Parcel& data, 138 Parcel* reply, 139 uint32_t flags = 0); 140 }; 141 142 // ---------------------------------------------------------------------------- 143 144 }; // namespace android 145 146 #endif // ANDROID_ISURFACE_COMPOSER_H 147