Ein Anderssono
138 lines
3.7 KiB
Go
138 lines
3.7 KiB
Go
//go:build !test
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package photos
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/*
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#cgo CFLAGS: -I${SRCDIR}/../../bridge
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#cgo LDFLAGS: -L${SRCDIR}/../../bridge -lphotokit_bridge -framework Photos -framework Foundation -framework AppKit -framework UniformTypeIdentifiers
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#include "photokit_bridge.h"
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#include <stdlib.h>
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*/
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import "C"
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import "unsafe"
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type CgoBridge struct{}
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var DefaultBridge Bridge = &CgoBridge{}
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func (*CgoBridge) RequestAccess() error {
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rc := C.photos_request_access()
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if rc != 0 {
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return errAccessDenied
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}
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return nil
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}
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func (*CgoBridge) ListAlbums() ([]Album, error) {
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cs := C.photos_list_albums_json()
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if cs == nil {
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return nil, errBridgeNil
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}
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defer C.photos_free_string(cs)
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return ParseAlbumsJSON(C.GoString(cs))
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}
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func (*CgoBridge) ListAssets(albumID string) ([]Asset, int, error) {
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cid := C.CString(albumID)
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defer C.free(unsafe.Pointer(cid))
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cs := C.photos_list_assets_json(cid)
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if cs == nil {
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return nil, 0, errBridgeNil
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}
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defer C.photos_free_string(cs)
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return ParseAssetsJSON(C.GoString(cs))
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}
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func (*CgoBridge) ListTree() ([]CollectionNode, error) {
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cs := C.photos_list_tree_json()
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if cs == nil {
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return nil, errBridgeNil
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}
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defer C.photos_free_string(cs)
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return ParseTreeJSON(C.GoString(cs))
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}
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func (*CgoBridge) Cancel() {
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C.photos_request_cancel()
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}
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func (*CgoBridge) IsCancelled() bool {
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return C.photos_request_is_cancelled() != 0
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}
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func (*CgoBridge) ExportPreview(assetID, outputDir string, targetSize, index int) (ExportResult, error) {
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return exportPreviewWithSlot(assetID, outputDir, targetSize, index, -1)
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}
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func (*CgoBridge) ExportOriginal(assetID, outputDir string, index int) (ExportResult, error) {
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return exportOriginalWithSlot(assetID, outputDir, index, -1)
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}
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func (*CgoBridge) ExportPreviewWithSlot(assetID, outputDir string, targetSize, index, slotIndex int) (ExportResult, error) {
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return exportPreviewWithSlot(assetID, outputDir, targetSize, index, slotIndex)
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}
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func (*CgoBridge) ExportOriginalWithSlot(assetID, outputDir string, index, slotIndex int) (ExportResult, error) {
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return exportOriginalWithSlot(assetID, outputDir, index, slotIndex)
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}
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func exportPreviewWithSlot(assetID, outputDir string, targetSize, index, slotIndex int) (ExportResult, error) {
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cid := C.CString(assetID)
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defer C.free(unsafe.Pointer(cid))
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cdir := C.CString(outputDir)
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defer C.free(unsafe.Pointer(cdir))
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cs := C.photos_export_preview_json(cid, cdir, C.int(targetSize), C.int(index), C.int(slotIndex))
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if cs == nil {
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return ExportResult{}, errBridgeNil
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}
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defer C.photos_free_string(cs)
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return ParseExportResultJSON(C.GoString(cs))
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}
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func exportOriginalWithSlot(assetID, outputDir string, index, slotIndex int) (ExportResult, error) {
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cid := C.CString(assetID)
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defer C.free(unsafe.Pointer(cid))
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cdir := C.CString(outputDir)
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defer C.free(unsafe.Pointer(cdir))
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cs := C.photos_export_original_json(cid, cdir, C.int(index), C.int(slotIndex))
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if cs == nil {
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return ExportResult{}, errBridgeNil
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}
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defer C.photos_free_string(cs)
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return ParseExportResultJSON(C.GoString(cs))
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}
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func GetProgressSlots() []ExportProgressSlot {
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count := int(C.photos_get_progress_slot_count())
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slots := C.photos_get_progress_slots()
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if slots == nil || count == 0 {
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return nil
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}
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result := make([]ExportProgressSlot, count)
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for i := 0; i < count; i++ {
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ptr := (*C.export_progress_t)(unsafe.Pointer(uintptr(unsafe.Pointer(slots)) + uintptr(i)*unsafe.Sizeof(C.export_progress_t{})))
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result[i] = ExportProgressSlot{
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Active: ptr.active != 0,
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Progress: float64(ptr.progress),
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BytesDone: int64(ptr.bytes_done),
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BytesTotal: int64(ptr.bytes_total),
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}
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}
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return result
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}
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func ResetProgressSlots() {
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C.photos_reset_progress_slots()
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}
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type ExportProgressSlot struct {
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Active bool
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Progress float64
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BytesDone int64
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BytesTotal int64
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}
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