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92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
/*
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* Copyright (C) 2012 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "jsapi.h"
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#include "libcameraservice/CameraHardwareInterface.h"
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#include "GonkCameraControl.h"
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#include "DOMCameraManager.h"
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#include "CameraCommon.h"
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// From nsDOMCameraManager, but gonk-specific!
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/* [implicit_jscontext] jsval getListOfCameras (); */
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NS_IMETHODIMP
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nsDOMCameraManager::GetListOfCameras(JSContext* cx, JS::Value* _retval)
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{
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JSObject* a = JS_NewArrayObject(cx, 0, nullptr);
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camera_module_t* module;
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uint32_t index = 0;
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uint32_t count;
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if (!a) {
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DOM_CAMERA_LOGE("getListOfCameras : Could not create array object");
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return NS_ERROR_OUT_OF_MEMORY;
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}
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if (hw_get_module(CAMERA_HARDWARE_MODULE_ID, (const hw_module_t**)&module) < 0) {
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DOM_CAMERA_LOGE("getListOfCameras : Could not load camera HAL module");
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return NS_ERROR_NOT_AVAILABLE;
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}
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count = module->get_number_of_cameras();
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DOM_CAMERA_LOGI("getListOfCameras : get_number_of_cameras() returned %d\n", count);
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while (count--) {
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struct camera_info info;
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int rv = module->get_camera_info(count, &info);
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if (rv != 0) {
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DOM_CAMERA_LOGE("getListOfCameras : get_camera_info(%d) failed: %d\n", count, rv);
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continue;
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}
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JSString* v;
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jsval jv;
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switch (info.facing) {
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case CAMERA_FACING_BACK:
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v = JS_NewStringCopyZ(cx, "back");
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index = 0;
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break;
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case CAMERA_FACING_FRONT:
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v = JS_NewStringCopyZ(cx, "front");
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index = 1;
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break;
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default:
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// TODO: see bug 779143.
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{
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static uint32_t extraIndex = 2;
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nsCString s;
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s.AppendPrintf("extra-camera-%d", count);
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v = JS_NewStringCopyZ(cx, s.get());
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index = extraIndex++;
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}
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break;
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}
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if (!v) {
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DOM_CAMERA_LOGE("getListOfCameras : out of memory populating camera list");
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return NS_ERROR_NOT_AVAILABLE;
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}
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jv = STRING_TO_JSVAL(v);
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if (!JS_SetElement(cx, a, index, &jv)) {
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DOM_CAMERA_LOGE("getListOfCameras : failed building list of cameras");
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return NS_ERROR_NOT_AVAILABLE;
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}
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}
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*_retval = OBJECT_TO_JSVAL(a);
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return NS_OK;
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}
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