The Tor Browser / file comparison
comparison: dom/camera/GonkCameraManager.cpp
dom/camera/GonkCameraManager.cpp
- branch
- TOR_BUG_9701
- changeset 9
- a63d609f5ebe
equal
deleted
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replaced
| -1:000000000000 | 0:1e4521b796ca |
|---|---|
| 1 /* | |
| 2 * Copyright (C) 2012-2014 Mozilla Foundation | |
| 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 #include "ICameraControl.h" | |
| 18 | |
| 19 #include <camera/Camera.h> | |
| 20 | |
| 21 #include "CameraCommon.h" | |
| 22 #include "GonkCameraControl.h" | |
| 23 | |
| 24 using namespace mozilla; | |
| 25 | |
| 26 // From ICameraControl, gonk-specific management functions | |
| 27 nsresult | |
| 28 ICameraControl::GetNumberOfCameras(int32_t& aDeviceCount) | |
| 29 { | |
| 30 aDeviceCount = android::Camera::getNumberOfCameras(); | |
| 31 return NS_OK; | |
| 32 } | |
| 33 | |
| 34 nsresult | |
| 35 ICameraControl::GetCameraName(uint32_t aDeviceNum, nsCString& aDeviceName) | |
| 36 { | |
| 37 int32_t count = android::Camera::getNumberOfCameras(); | |
| 38 int32_t deviceNum = static_cast<int32_t>(aDeviceNum); | |
| 39 | |
| 40 DOM_CAMERA_LOGI("GetCameraName : getNumberOfCameras() returned %d\n", count); | |
| 41 if (deviceNum < 0 || deviceNum > count) { | |
| 42 DOM_CAMERA_LOGE("GetCameraName : invalid device number (%u)\n", aDeviceNum); | |
| 43 return NS_ERROR_NOT_AVAILABLE; | |
| 44 } | |
| 45 | |
| 46 android::CameraInfo info; | |
| 47 int rv = android::Camera::getCameraInfo(deviceNum, &info); | |
| 48 if (rv != 0) { | |
| 49 DOM_CAMERA_LOGE("GetCameraName : get_camera_info(%d) failed: %d\n", deviceNum, rv); | |
| 50 return NS_ERROR_NOT_AVAILABLE; | |
| 51 } | |
| 52 | |
| 53 switch (info.facing) { | |
| 54 case CAMERA_FACING_BACK: | |
| 55 aDeviceName.Assign("back"); | |
| 56 break; | |
| 57 | |
| 58 case CAMERA_FACING_FRONT: | |
| 59 aDeviceName.Assign("front"); | |
| 60 break; | |
| 61 | |
| 62 default: | |
| 63 aDeviceName.Assign("extra-camera-"); | |
| 64 aDeviceName.AppendInt(deviceNum); | |
| 65 break; | |
| 66 } | |
| 67 return NS_OK; | |
| 68 } | |
| 69 | |
| 70 nsresult | |
| 71 ICameraControl::GetListOfCameras(nsTArray<nsString>& aList) | |
| 72 { | |
| 73 int32_t count = android::Camera::getNumberOfCameras(); | |
| 74 DOM_CAMERA_LOGI("getListOfCameras : getNumberOfCameras() returned %d\n", count); | |
| 75 if (count <= 0) { | |
| 76 return NS_OK; | |
| 77 } | |
| 78 | |
| 79 // Allocate 2 extra slots to reserve space for 'front' and 'back' cameras | |
| 80 // at the front of the array--we will collapse any empty slots below. | |
| 81 aList.SetLength(2); | |
| 82 uint32_t extraIdx = 2; | |
| 83 bool gotFront = false; | |
| 84 bool gotBack = false; | |
| 85 while (count--) { | |
| 86 nsCString cameraName; | |
| 87 nsresult result = GetCameraName(count, cameraName); | |
| 88 if (result != NS_OK) { | |
| 89 continue; | |
| 90 } | |
| 91 | |
| 92 // The first camera we find named 'back' gets slot 0; and the first | |
| 93 // we find named 'front' gets slot 1. All others appear after these. | |
| 94 if (cameraName.EqualsLiteral("back")) { | |
| 95 CopyUTF8toUTF16(cameraName, aList[0]); | |
| 96 gotBack = true; | |
| 97 } else if (cameraName.EqualsLiteral("front")) { | |
| 98 CopyUTF8toUTF16(cameraName, aList[1]); | |
| 99 gotFront = true; | |
| 100 } else { | |
| 101 CopyUTF8toUTF16(cameraName, *aList.InsertElementAt(extraIdx)); | |
| 102 extraIdx++; | |
| 103 } | |
| 104 } | |
| 105 | |
| 106 if (!gotFront) { | |
| 107 aList.RemoveElementAt(1); | |
| 108 } | |
| 109 | |
| 110 if (!gotBack) { | |
| 111 aList.RemoveElementAt(0); | |
| 112 } | |
| 113 | |
| 114 return NS_OK; | |
| 115 } | |
| 116 | |
| 117 // implementation-specific camera factory | |
| 118 already_AddRefed<ICameraControl> | |
| 119 ICameraControl::Create(uint32_t aCameraId) | |
| 120 { | |
| 121 nsRefPtr<nsGonkCameraControl> control = new nsGonkCameraControl(aCameraId); | |
| 122 return control.forget(); | |
| 123 } |
