MobileVR

Source

dpdb.json

{
  "format": 1,
  "last_updated": "2018-02-20T22:55:10Z",
  "devices": [
    {
      "type": "android",
      "rules": [{ "mdmh": "asus/*/Nexus 7/*" }, { "ua": "Nexus 7" }],
      "dpi": [320.8, 323],
      "bw": 3,
      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "asus/*/ASUS_Z00AD/*" }, { "ua": "ASUS_Z00AD" }],
      "dpi": [403, 404.6],
      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "Google/*/Pixel XL/*" }, { "ua": "Pixel XL" }],
      "dpi": [537.9, 533],
      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "Google/*/Pixel/*" }, { "ua": "Pixel" }],
      "dpi": [432.6, 436.7],
      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "HTC/*/HTC6435LVW/*" }, { "ua": "HTC6435LVW" }],
      "dpi": [449.7, 443.3],
      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "HTC/*/HTC One XL/*" }, { "ua": "HTC One XL" }],
      "dpi": [315.3, 314.6],
      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "htc/*/Nexus 9/*" }, { "ua": "Nexus 9" }],
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      "bw": 3,
      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "HTC/*/HTC One M9/*" }, { "ua": "HTC One M9" }],
      "dpi": [442.5, 443.3],
      "bw": 3,
      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "HTC/*/HTC One_M8/*" }, { "ua": "HTC One_M8" }],
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      "bw": 3,
      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "HTC/*/HTC One/*" }, { "ua": "HTC One" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "Huawei/*/Nexus 6P/*" }, { "ua": "Nexus 6P" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [
        { "mdmh": "LENOVO/*/Lenovo PB2-690Y/*" },
        { "ua": "Lenovo PB2-690Y" }
      ],
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      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "LGE/*/Nexus 5X/*" }, { "ua": "Nexus 5X" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "LGE/*/LGMS345/*" }, { "ua": "LGMS345" }],
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "LGE/*/LG-D800/*" }, { "ua": "LG-D800" }],
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "LGE/*/VS985 4G/*" }, { "ua": "VS985 4G" }],
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      "ac": 1000
    },
    {
      "type": "android",
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "LGE/*/Nexus 4/*" }, { "ua": "Nexus 4" }],
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      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "LGE/*/LG-P769/*" }, { "ua": "LG-P769" }],
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      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "LGE/*/LGMS323/*" }, { "ua": "LGMS323" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "LGE/*/LGLS996/*" }, { "ua": "LGLS996" }],
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      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "Micromax/*/4560MMX/*" }, { "ua": "4560MMX" }],
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      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "Micromax/*/A250/*" }, { "ua": "Micromax A250" }],
      "dpi": [480, 446.4],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [
        { "mdmh": "Micromax/*/Micromax AQ4501/*" },
        { "ua": "Micromax AQ4501" }
      ],
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      "bw": 3,
      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/G5/*" }, { "ua": "Moto G (5) Plus" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/DROID RAZR/*" }, { "ua": "DROID RAZR" }],
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      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/XT830C/*" }, { "ua": "XT830C" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/XT1021/*" }, { "ua": "XT1021" }],
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      "bw": 3,
      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/XT1023/*" }, { "ua": "XT1023" }],
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      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/XT1028/*" }, { "ua": "XT1028" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/XT1034/*" }, { "ua": "XT1034" }],
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      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/XT1053/*" }, { "ua": "XT1053" }],
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      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/XT1562/*" }, { "ua": "XT1562" }],
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      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/Nexus 6/*" }, { "ua": "Nexus 6 B" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/XT1063/*" }, { "ua": "XT1063" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/XT1064/*" }, { "ua": "XT1064" }],
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      "bw": 3,
      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/XT1092/*" }, { "ua": "XT1092" }],
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      "bw": 3,
      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/XT1095/*" }, { "ua": "XT1095" }],
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      "bw": 3,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "motorola/*/G4/*" }, { "ua": "Moto G (4)" }],
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      "bw": 4,
      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "OnePlus/*/A0001/*" }, { "ua": "A0001" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "OnePlus/*/ONE E1005/*" }, { "ua": "ONE E1005" }],
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      "ac": 1000
    },
    {
      "type": "android",
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      "ac": 1000
    },
    {
      "type": "android",
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        { "mdmh": "OnePlus/*/ONEPLUS A5000/*" },
        { "ua": "ONEPLUS A5000 " }
      ],
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "OPPO/*/X909/*" }, { "ua": "X909" }],
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SM-G360P/*" }, { "ua": "SM-G360P" }],
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/Nexus S/*" }, { "ua": "Nexus S" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/GT-I9300/*" }, { "ua": "GT-I9300" }],
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SM-T230NU/*" }, { "ua": "SM-T230NU" }],
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      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SGH-T399/*" }, { "ua": "SGH-T399" }],
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SGH-M919/*" }, { "ua": "SGH-M919" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SM-N9005/*" }, { "ua": "SM-N9005" }],
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    },
    {
      "type": "android",
      "rules": [
        { "mdmh": "samsung/*/SAMSUNG-SM-N900A/*" },
        { "ua": "SAMSUNG-SM-N900A" }
      ],
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/GT-I9500/*" }, { "ua": "GT-I9500" }],
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/GT-I9505/*" }, { "ua": "GT-I9505" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SM-G900F/*" }, { "ua": "SM-G900F" }],
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    },
    {
      "type": "android",
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SM-G800F/*" }, { "ua": "SM-G800F" }],
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SM-G906S/*" }, { "ua": "SM-G906S" }],
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SM-N920C/*" }, { "ua": "SM-N920C" }],
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
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        { "mdmh": "samsung/*/SAMSUNG-SGH-I717/*" },
        { "ua": "SAMSUNG-SGH-I717" }
      ],
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SCH-I605/*" }, { "ua": "SCH-I605" }],
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    },
    {
      "type": "android",
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        { "mdmh": "samsung/*/Galaxy Nexus/*" },
        { "ua": "Galaxy Nexus" }
      ],
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
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    },
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    {
      "type": "android",
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SM-G925F/*" }, { "ua": "SM-G925F" }],
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SM-G925V/*" }, { "ua": "SM-G925V" }],
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "samsung/*/SM-G950F/*" }, { "ua": "SM-G950F" }],
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    },
    {
      "type": "android",
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    {
      "type": "android",
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
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    {
      "type": "android",
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    },
    {
      "type": "android",
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    },
    {
      "type": "android",
      "rules": [
        { "mdmh": "TCT/*/ALCATEL ONE TOUCH Fierce/*" },
        { "ua": "ALCATEL ONE TOUCH Fierce" }
      ],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "THL/*/thl 5000/*" }, { "ua": "thl 5000" }],
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    },
    {
      "type": "android",
      "rules": [{ "mdmh": "Fly/*/IQ4412/*" }, { "ua": "IQ4412" }],
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      "ac": 1000
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "ZTE/*/ZTE Blade L2/*" }, { "ua": "ZTE Blade L2" }],
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      "bw": 3,
      "ac": 500
    },
    {
      "type": "android",
      "rules": [{ "mdmh": "BENEVE/*/VR518/*" }, { "ua": "VR518" }],
      "dpi": 480,
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      "ac": 500
    },
    {
      "type": "ios",
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      "ac": 1000
    },
    {
      "type": "ios",
      "rules": [{ "res": [640, 1136] }],
      "dpi": [317.1, 320.2],
      "bw": 3,
      "ac": 1000
    },
    {
      "type": "ios",
      "rules": [{ "res": [750, 1334] }],
      "dpi": 326.4,
      "bw": 4,
      "ac": 1000
    },
    {
      "type": "ios",
      "rules": [{ "res": [1242, 2208] }],
      "dpi": [453.6, 458.4],
      "bw": 4,
      "ac": 1000
    },
    {
      "type": "ios",
      "rules": [{ "res": [1125, 2001] }],
      "dpi": [410.9, 415.4],
      "bw": 4,
      "ac": 1000
    },
    {
      "type": "ios",
      "rules": [{ "res": [1125, 2436] }],
      "dpi": 458,
      "bw": 4,
      "ac": 1000
    }
  ]
}

fetchDatabase.sh

curl -O https://dpdb.webvr.rocks/dpdb.json

headsets.js

export default [
  {
    label: 'Choose a headset',
  },
  {
    id: 'CardboardV1',
    label: 'Cardboard I/O 2014',
    fov: 40,
    interLensDistance: 0.06,
    baselineLensDistance: 0.035,
    screenLensDistance: 0.042,
    distortionCoefficients: [0.441, 0.156],
    inverseCoefficients: [
      -0.4410035, 0.42756155, -0.4804439, 0.5460139, -0.58821183, 0.5733938,
      -0.48303202, 0.33299083, -0.17573841, 0.0651772, -0.01488963, 0.001559834,
    ],
  },
  {
    id: 'CardboardV2',
    label: 'Cardboard I/O 2015',
    fov: 60,
    interLensDistance: 0.064,
    baselineLensDistance: 0.035,
    screenLensDistance: 0.039,
    distortionCoefficients: [0.34, 0.55],
    inverseCoefficients: [
      -0.33836704, -0.18162185, 0.862655, -1.2462051, 1.0560602, -0.58208317,
      0.21609078, -0.05444823, 0.009177956, -9.904169e-4, 6.183535e-5,
      -1.6981803e-6,
    ],
  },
];

index.js

// Inspired from https://github.com/immersive-web/cardboard-vr-display/blob/master/src/dpdb.js
import dpdb from './dpdb.json';
import headsets from './headsets';

const userAgent = navigator.userAgent || navigator.vendor || window.opera;

/* eslint-disable */
const isMobile =
  /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(
    userAgent
  ) ||
  /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(
    userAgent.substr(0, 4)
  );
/* eslint-enable */

const isIOS = /iPad|iPhone|iPod/.test(navigator.platform);

const isWebViewAndroid =
  userAgent.indexOf('Version') !== -1 &&
  userAgent.indexOf('Android') !== -1 &&
  userAgent.indexOf('Chrome') !== -1;

const isSafari = /^((?!chrome|android).)*safari/i.test(userAgent);

const isFirefoxAndroid =
  userAgent.indexOf('Firefox') !== -1 && userAgent.indexOf('Android') !== -1;

const width =
  Math.max(window.screen.width, window.screen.height) * window.devicePixelRatio;

const height =
  Math.min(window.screen.width, window.screen.height) * window.devicePixelRatio;

const hardware = { width, height };

// ----------------------------------------------------------------------------

function matchRules(rule, ua, screenWidth, screenHeight) {
  // We can only match 'ua' and 'res' rules, not other types like 'mdmh'
  // (which are meant for native platforms).
  if (!rule.ua && !rule.res) return false;

  // If our user agent string doesn't contain the indicated user agent string,
  // the match fails.
  if (rule.ua && ua.indexOf(rule.ua) < 0) return false;

  // If the rule specifies screen dimensions that don't correspond to ours,
  // the match fails.
  if (rule.res) {
    if (!rule.res[0] || !rule.res[1]) return false;
    const [resX, resY] = rule.res;

    // Compare min and max so as to make the order not matter, i.e., it should
    // be true that 640x480 == 480x640.
    if (
      Math.min(screenWidth, screenHeight) !== Math.min(resX, resY) ||
      Math.max(screenWidth, screenHeight) !== Math.max(resX, resY)
    ) {
      return false;
    }
  }

  return true;
}

// ----------------------------------------------------------------------------

/* eslint-disable no-continue */
function extractDeviceParameters() {
  for (let i = 0; i < dpdb.devices.length; i++) {
    const device = dpdb.devices[i];
    if (!device.rules) {
      console.warn(`Device[${i}] has no rules section.`);
      continue;
    }

    if (device.type !== 'ios' && device.type !== 'android') {
      console.warn(`Device[${i}] has invalid type.`);
      continue;
    }

    // See if this device is of the appropriate type.
    if (isIOS !== (device.type === 'ios')) {
      continue;
    }

    // See if this device matches any of the rules:
    let matched = false;
    for (let j = 0; j < device.rules.length; j++) {
      const rule = device.rules[j];
      if (matchRules(rule, userAgent, width, height)) {
        matched = true;
        break;
      }
    }
    if (!matched) {
      continue;
    }

    // device.dpi might be an array of [ xdpi, ydpi] or just a scalar.
    hardware.xdpi = device.dpi[0] || device.dpi;
    hardware.ydpi = device.dpi[1] || device.dpi;
    hardware.bevelMm = device.bw;
  }
}
/* eslint-enable no-continue */

// Apply rules
extractDeviceParameters();

// ----------------------------------------------------------------------------

function getVRHeadset() {
  return new Promise((resolve, reject) => {
    const body = document.querySelector('body');
    const selector = document.createElement('select');
    selector.innerHTML = headsets
      .map((headset, idx) => `<option value="${idx}">${headset.label}</option>`)
      .join('');
    selector.style.zIndex = 1000;
    selector.style.position = 'absolute';
    selector.style.left = '50%';
    selector.style.top = '50%';
    selector.style.transform = 'translate(-50%, -50%)';
    selector.addEventListener('change', (e) => {
      body.removeChild(selector);
      resolve(headsets[Number(e.target.value)]);
    });
    body.appendChild(selector);
  });
}

// ----------------------------------------------------------------------------

export default {
  isMobile,
  isIOS,
  isWebViewAndroid,
  isSafari,
  isFirefoxAndroid,
  hardware,
  getVRHeadset,
};