diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/binder/CursorWindow.h | 200 | ||||
| -rw-r--r-- | include/surfaceflinger/ISurfaceComposer.h | 1 | ||||
| -rw-r--r-- | include/surfaceflinger/Surface.h | 6 | ||||
| -rw-r--r-- | include/ui/GraphicBuffer.h | 7 | ||||
| -rw-r--r-- | include/ui/InputDispatcher.h | 14 | ||||
| -rw-r--r-- | include/utils/Singleton.h | 5 |
6 files changed, 230 insertions, 3 deletions
diff --git a/include/binder/CursorWindow.h b/include/binder/CursorWindow.h new file mode 100644 index 0000000..4fbff2a --- /dev/null +++ b/include/binder/CursorWindow.h @@ -0,0 +1,200 @@ +/* + * Copyright (C) 2006 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. + */ + +#ifndef _ANDROID__DATABASE_WINDOW_H +#define _ANDROID__DATABASE_WINDOW_H + +#include <cutils/log.h> +#include <stddef.h> +#include <stdint.h> + +#include <binder/IMemory.h> +#include <utils/RefBase.h> + +#define DEFAULT_WINDOW_SIZE 4096 +#define MAX_WINDOW_SIZE (1024 * 1024) +#define WINDOW_ALLOCATION_SIZE 4096 + +#define ROW_SLOT_CHUNK_NUM_ROWS 16 + +// Row slots are allocated in chunks of ROW_SLOT_CHUNK_NUM_ROWS, +// with an offset after the rows that points to the next chunk +#define ROW_SLOT_CHUNK_SIZE ((ROW_SLOT_CHUNK_NUM_ROWS * sizeof(row_slot_t)) + sizeof(uint32_t)) + + +#if LOG_NDEBUG + +#define IF_LOG_WINDOW() if (false) +#define LOG_WINDOW(...) + +#else + +#define IF_LOG_WINDOW() IF_LOG(LOG_DEBUG, "CursorWindow") +#define LOG_WINDOW(...) LOG(LOG_DEBUG, "CursorWindow", __VA_ARGS__) + +#endif + + +// When defined to true strings are stored as UTF8, otherwise they're UTF16 +#define WINDOW_STORAGE_UTF8 1 + +// When defined to true numberic values are stored inline in the field_slot_t, otherwise they're allocated in the window +#define WINDOW_STORAGE_INLINE_NUMERICS 1 + +namespace android { + +typedef struct +{ + uint32_t numRows; + uint32_t numColumns; +} window_header_t; + +typedef struct +{ + uint32_t offset; +} row_slot_t; + +typedef struct +{ + uint8_t type; + union { + double d; + int64_t l; + struct { + uint32_t offset; + uint32_t size; + } buffer; + } data; +} __attribute__((packed)) field_slot_t; + +#define FIELD_TYPE_NULL 0 +#define FIELD_TYPE_INTEGER 1 +#define FIELD_TYPE_FLOAT 2 +#define FIELD_TYPE_STRING 3 +#define FIELD_TYPE_BLOB 4 + +/** + * This class stores a set of rows from a database in a buffer. The begining of the + * window has first chunk of row_slot_ts, which are offsets to the row directory, followed by + * an offset to the next chunk in a linked-list of additional chunk of row_slot_ts in case + * the pre-allocated chunk isn't big enough to refer to all rows. Each row directory has a + * field_slot_t per column, which has the size, offset, and type of the data for that field. + * Note that the data types come from sqlite3.h. + */ +class CursorWindow +{ +public: + CursorWindow(size_t maxSize); + CursorWindow(){} + bool setMemory(const sp<IMemory>&); + ~CursorWindow(); + + bool initBuffer(bool localOnly); + sp<IMemory> getMemory() {return mMemory;} + + size_t size() {return mSize;} + uint8_t * data() {return mData;} + uint32_t getNumRows() {return mHeader->numRows;} + uint32_t getNumColumns() {return mHeader->numColumns;} + void freeLastRow() { + if (mHeader->numRows > 0) { + mHeader->numRows--; + } + } + bool setNumColumns(uint32_t numColumns) + { + uint32_t cur = mHeader->numColumns; + if (cur > 0 && cur != numColumns) { + LOGE("Trying to go from %d columns to %d", cur, numColumns); + return false; + } + mHeader->numColumns = numColumns; + return true; + } + + int32_t freeSpace(); + + void clear(); + + /** + * Allocate a row slot and its directory. The returned + * pointer points to the begining of the row's directory + * or NULL if there wasn't room. The directory is + * initialied with NULL entries for each field. + */ + field_slot_t * allocRow(); + + /** + * Allocate a portion of the window. Returns the offset + * of the allocation, or 0 if there isn't enough space. + * If aligned is true, the allocation gets 4 byte alignment. + */ + uint32_t alloc(size_t size, bool aligned = false); + + uint32_t read_field_slot(int row, int column, field_slot_t * slot); + + /** + * Copy data into the window at the given offset. + */ + void copyIn(uint32_t offset, uint8_t const * data, size_t size); + void copyIn(uint32_t offset, int64_t data); + void copyIn(uint32_t offset, double data); + + void copyOut(uint32_t offset, uint8_t * data, size_t size); + int64_t copyOutLong(uint32_t offset); + double copyOutDouble(uint32_t offset); + + bool putLong(unsigned int row, unsigned int col, int64_t value); + bool putDouble(unsigned int row, unsigned int col, double value); + bool putNull(unsigned int row, unsigned int col); + + bool getLong(unsigned int row, unsigned int col, int64_t * valueOut); + bool getDouble(unsigned int row, unsigned int col, double * valueOut); + bool getNull(unsigned int row, unsigned int col, bool * valueOut); + + uint8_t * offsetToPtr(uint32_t offset) {return mData + offset;} + + row_slot_t * allocRowSlot(); + + row_slot_t * getRowSlot(int row); + + /** + * return NULL if Failed to find rowSlot or + * Invalid rowSlot + */ + field_slot_t * getFieldSlotWithCheck(int row, int column); + field_slot_t * getFieldSlot(int row, int column) + { + int fieldDirOffset = getRowSlot(row)->offset; + return ((field_slot_t *)offsetToPtr(fieldDirOffset)) + column; + } + +private: + uint8_t * mData; + size_t mSize; + size_t mMaxSize; + window_header_t * mHeader; + sp<IMemory> mMemory; + + /** + * Offset of the lowest unused data byte in the array. + */ + uint32_t mFreeOffset; +}; + +}; // namespace android + +#endif diff --git a/include/surfaceflinger/ISurfaceComposer.h b/include/surfaceflinger/ISurfaceComposer.h index de447be..0c9a072 100644 --- a/include/surfaceflinger/ISurfaceComposer.h +++ b/include/surfaceflinger/ISurfaceComposer.h @@ -43,6 +43,7 @@ public: eSecure = 0x00000080, eNonPremultiplied = 0x00000100, ePushBuffers = 0x00000200, + eOpaque = 0x00000400, eFXSurfaceNormal = 0x00000000, eFXSurfaceBlur = 0x00010000, diff --git a/include/surfaceflinger/Surface.h b/include/surfaceflinger/Surface.h index 22684db..cef439c 100644 --- a/include/surfaceflinger/Surface.h +++ b/include/surfaceflinger/Surface.h @@ -94,7 +94,7 @@ private: friend class SurfaceComposerClient; // camera and camcorder need access to the ISurface binder interface for preview - friend class Camera; + friend class CameraService; friend class MediaRecorder; // mediaplayer needs access to ISurface for display friend class MediaPlayer; @@ -173,11 +173,12 @@ private: * (eventually this should go away and be replaced by proper APIs) */ // camera and camcorder need access to the ISurface binder interface for preview - friend class Camera; + friend class CameraService; friend class MediaRecorder; // MediaPlayer needs access to ISurface for display friend class MediaPlayer; friend class IOMX; + friend class SoftwareRenderer; // this is just to be able to write some unit tests friend class Test; @@ -314,4 +315,3 @@ private: }; // namespace android #endif // ANDROID_SF_SURFACE_H - diff --git a/include/ui/GraphicBuffer.h b/include/ui/GraphicBuffer.h index a3e85a9..c446633 100644 --- a/include/ui/GraphicBuffer.h +++ b/include/ui/GraphicBuffer.h @@ -72,6 +72,9 @@ public: GraphicBuffer(uint32_t w, uint32_t h, PixelFormat format, uint32_t usage, uint32_t stride, native_handle_t* handle, bool keepOwnership); + // create a buffer from an existing android_native_buffer_t + GraphicBuffer(android_native_buffer_t* buffer, bool keepOwnership); + // return status status_t initCheck() const; @@ -137,6 +140,10 @@ private: GraphicBufferMapper& mBufferMapper; ssize_t mInitCheck; int mIndex; + + // If we're wrapping another buffer then this reference will make sure it + // doesn't get freed. + sp<android_native_buffer_t> mWrappedBuffer; }; }; // namespace android diff --git a/include/ui/InputDispatcher.h b/include/ui/InputDispatcher.h index 3599163..63185d3 100644 --- a/include/ui/InputDispatcher.h +++ b/include/ui/InputDispatcher.h @@ -389,6 +389,14 @@ public: */ virtual void setInputDispatchMode(bool enabled, bool frozen) = 0; + /* Transfers touch focus from the window associated with one channel to the + * window associated with the other channel. + * + * Returns true on success. False if the window did not actually have touch focus. + */ + virtual bool transferTouchFocus(const sp<InputChannel>& fromChannel, + const sp<InputChannel>& toChannel) = 0; + /* Registers or unregister input channels that may be used as targets for input events. * If monitor is true, the channel will receive a copy of all input events. * @@ -445,6 +453,9 @@ public: virtual void setFocusedApplication(const InputApplication* inputApplication); virtual void setInputDispatchMode(bool enabled, bool frozen); + virtual bool transferTouchFocus(const sp<InputChannel>& fromChannel, + const sp<InputChannel>& toChannel); + virtual status_t registerInputChannel(const sp<InputChannel>& inputChannel, bool monitor); virtual status_t unregisterInputChannel(const sp<InputChannel>& inputChannel); @@ -746,6 +757,9 @@ private: // Clears the current state. void clear(); + // Copies pointer-related parts of the input state to another instance. + void copyPointerStateTo(InputState& other) const; + private: struct KeyMemento { int32_t deviceId; diff --git a/include/utils/Singleton.h b/include/utils/Singleton.h index 3b975b4..e1ee8eb 100644 --- a/include/utils/Singleton.h +++ b/include/utils/Singleton.h @@ -37,6 +37,11 @@ public: } return *instance; } + + static bool hasInstance() { + Mutex::Autolock _l(sLock); + return sInstance != 0; + } protected: ~Singleton() { }; |