CB-7378 Adds support for windows platform

This commit is contained in:
Vladimir Kotikov 2014-08-27 17:15:47 +04:00 committed by Anis Kadri
parent e9a834955c
commit f3cfadb19e

View File

@ -40,6 +40,7 @@ module.exports = {
// 8 correctOrientation:false,
// 9 saveToPhotoAlbum:false,
// 10 popoverOptions:null
// 11 cameraDirection:0
takePicture: function (successCallback, errorCallback, args) {
var encodingType = args[5];
@ -48,7 +49,9 @@ module.exports = {
var sourceType = args[2];
var destinationType = args[1];
var mediaType = args[6];
var allowCrop = !!args[7];
var saveToPhotoAlbum = args[9];
var cameraDirection = args[11];
// resize method :)
var resizeImage = function (file) {
@ -129,6 +132,17 @@ module.exports = {
};
if (sourceType != Camera.PictureSourceType.CAMERA) {
// TODO: Add WP8.1 support
// WP8.1 doesn't allow to use of pickSingleFileAsync method
// see http://msdn.microsoft.com/en-us/library/windows/apps/br207852.aspx for details
// replacement of pickSingleFileAsync - pickSingleFileAndContinue method
// will take application to suspended state and this require additional logic to wake application up
if (navigator.appVersion.indexOf('Windows Phone 8.1') >= 0 ) {
errorCallback('Not supported');
return;
}
var fileOpenPicker = new Windows.Storage.Pickers.FileOpenPicker();
fileOpenPicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.picturesLibrary;
if (mediaType == Camera.MediaType.PICTURE) {
@ -141,9 +155,9 @@ module.exports = {
fileOpenPicker.fileTypeFilter.replaceAll(["*"]);
}
fileOpenPicker.pickSingleFileAsync().then(function (file) {
fileOpenPicker.pickSingleFileAsync().done(function (file) {
if (file) {
if (destinationType == Camera.DestinationType.FILE_URI) {
if (destinationType == Camera.DestinationType.FILE_URI || destinationType == Camera.DestinationType.NATIVE_URI) {
if (targetHeight > 0 && targetWidth > 0) {
resizeImage(file);
}
@ -176,115 +190,250 @@ module.exports = {
}, function () {
errorCallback("User didn't choose a file.");
});
}
else {
var cameraCaptureUI = new Windows.Media.Capture.CameraCaptureUI();
cameraCaptureUI.photoSettings.allowCropping = true;
var allowCrop = !!args[7];
if (!allowCrop) {
cameraCaptureUI.photoSettings.allowCropping = false;
}
} else {
if (encodingType == Camera.EncodingType.PNG) {
cameraCaptureUI.photoSettings.format = Windows.Media.Capture.CameraCaptureUIPhotoFormat.png;
} else {
cameraCaptureUI.photoSettings.format = Windows.Media.Capture.CameraCaptureUIPhotoFormat.jpeg;
}
var CaptureNS = Windows.Media.Capture;
// decide which max pixels should be supported by targetWidth or targetHeight.
if (targetWidth >= 1280 || targetHeight >= 960) {
cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.large3M;
}
else if (targetWidth >= 1024 || targetHeight >= 768) {
cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.mediumXga;
}
else if (targetWidth >= 800 || targetHeight >= 600) {
cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.mediumXga;
}
else if (targetWidth >= 640 || targetHeight >= 480) {
cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.smallVga;
}
else if (targetWidth >= 320 || targetHeight >= 240) {
cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.verySmallQvga;
}
else {
cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.highestAvailable;
}
// Check if necessary API available
if (!CaptureNS.CameraCaptureUI) {
// We are running on WP8.1 which lacks CameraCaptureUI class
// so we need to use MediaCapture class instead and implement custom UI for camera
cameraCaptureUI.captureFileAsync(Windows.Media.Capture.CameraCaptureUIMode.photo).then(function (picture) {
if (picture) {
// save to photo album successCallback
var success = function () {
if (destinationType == Camera.DestinationType.FILE_URI) {
if (targetHeight > 0 && targetWidth > 0) {
resizeImage(picture);
} else {
var capturePreview = null,
captureCancelButton = null,
capture = null,
captureSettings = null;
var storageFolder = Windows.Storage.ApplicationData.current.localFolder;
picture.copyAsync(storageFolder, picture.name, Windows.Storage.NameCollisionOption.replaceExisting).then(function (storageFile) {
successCallback("ms-appdata:///local/" + storageFile.name);
}, function () {
errorCallback("Can't access localStorage folder.");
});
}
} else {
if (targetHeight > 0 && targetWidth > 0) {
resizeImageBase64(picture);
} else {
Windows.Storage.FileIO.readBufferAsync(picture).done(function (buffer) {
var strBase64 = Windows.Security.Cryptography.CryptographicBuffer.encodeToBase64String(buffer);
successCallback(strBase64);
});
}
}
};
// save to photo album errorCallback
var fail = function () {
//errorCallback("FileError, code:" + fileError.code);
errorCallback("Save fail.");
};
var createCameraUI = function () {
if (saveToPhotoAlbum) {
Windows.Storage.StorageFile.getFileFromPathAsync(picture.path).then(function (storageFile) {
storageFile.copyAsync(Windows.Storage.KnownFolders.picturesLibrary, picture.name, Windows.Storage.NameCollisionOption.generateUniqueName).then(function (storageFile) {
success();
}, function () {
fail();
// Create fullscreen preview
capturePreview = document.createElement("video");
// z-order style element for capturePreview and captureCancelButton elts
// is necessary to avoid overriding by another page elements, -1 sometimes is not enough
capturePreview.style.cssText = "position: fixed; left: 0; top: 0; width: 100%; height: 100%; z-order: 999";
// Create cancel button
captureCancelButton = document.createElement("button");
captureCancelButton.innerText = "Cancel";
captureCancelButton.style.cssText = "position: fixed; right: 0; bottom: 0; display: block; margin: 20px; z-order: 1000";
capture = new CaptureNS.MediaCapture();
captureSettings = new CaptureNS.MediaCaptureInitializationSettings();
captureSettings.streamingCaptureMode = CaptureNS.StreamingCaptureMode.video;
};
var startCameraPreview = function () {
// Search for available camera devices
// This is necessary to detect which camera (front or back) we should use
var expectedPanel = cameraDirection === 1 ? Windows.Devices.Enumeration.Panel.front : Windows.Devices.Enumeration.Panel.back;
Windows.Devices.Enumeration.DeviceInformation.findAllAsync(Windows.Devices.Enumeration.DeviceClass.videoCapture)
.done(function (devices) {
if (devices.length > 0) {
devices.forEach(function(currDev) {
if (currDev.enclosureLocation.panel && currDev.enclosureLocation.panel == expectedPanel) {
captureSettings.videoDeviceId = currDev.id;
}
});
});
//var directory = new DirectoryEntry("Pictures", parentPath);
//new FileEntry(picture.name, picture.path).copyTo(directory, null, success, fail);
} else {
if (destinationType == Camera.DestinationType.FILE_URI) {
if (targetHeight > 0 && targetWidth > 0) {
resizeImage(picture);
} else {
var storageFolder = Windows.Storage.ApplicationData.current.localFolder;
picture.copyAsync(storageFolder, picture.name, Windows.Storage.NameCollisionOption.replaceExisting).then(function (storageFile) {
successCallback("ms-appdata:///local/" + storageFile.name);
}, function () {
errorCallback("Can't access localStorage folder.");
});
}
capture.initializeAsync(captureSettings).done(function () {
// This is necessary since WP8.1 MediaCapture outputs video stream rotated 90 degrees CCW
// TODO: This can be not consistent across devices, need additional testing on various devices
capture.setPreviewRotation(Windows.Media.Capture.VideoRotation.clockwise90Degrees);
// msdn.microsoft.com/en-us/library/windows/apps/hh452807.aspx
capturePreview.msZoom = true;
capturePreview.src = URL.createObjectURL(capture);
capturePreview.play();
// Insert preview frame and controls into page
document.body.appendChild(capturePreview);
document.body.appendChild(captureCancelButton);
// Bind events to controls
capturePreview.addEventListener('click', captureAction);
captureCancelButton.addEventListener('click', function () {
destroyCameraPreview();
errorCallback('Cancelled');
}, false);
}, function (err) {
destroyCameraPreview();
errorCallback('Camera intitialization error ' + err);
});
} else {
if (targetHeight > 0 && targetWidth > 0) {
resizeImageBase64(picture);
} else {
Windows.Storage.FileIO.readBufferAsync(picture).done(function (buffer) {
var strBase64 = Windows.Security.Cryptography.CryptographicBuffer.encodeToBase64String(buffer);
successCallback(strBase64);
});
}
destroyCameraPreview();
errorCallback('Camera not found');
}
});
};
var destroyCameraPreview = function () {
capturePreview.pause();
capturePreview.src = null;
[capturePreview, captureCancelButton].forEach(function(elem) {
if (elem /* && elem in document.body.childNodes */) {
document.body.removeChild(elem);
}
});
if (capture) {
capture.stopRecordAsync();
capture = null;
}
} else {
errorCallback("User didn't capture a photo.");
};
var captureAction = function () {
var encodingProperties,
fileName,
generateUniqueCollisionOption = Windows.Storage.CreationCollisionOption.generateUniqueName,
tempFolder = Windows.Storage.ApplicationData.current.temporaryFolder;
if (encodingType == Camera.EncodingType.PNG) {
fileName = 'photo.png';
encodingProperties = Windows.Media.MediaProperties.ImageEncodingProperties.createPng();
} else {
fileName = 'photo.jpg';
encodingProperties = Windows.Media.MediaProperties.ImageEncodingProperties.createJpeg();
}
tempFolder.createFileAsync(fileName, generateUniqueCollisionOption).done(function(capturedFile) {
capture.capturePhotoToStorageFileAsync(encodingProperties, capturedFile).done(function() {
destroyCameraPreview();
// success callback for capture operation
var success = function(capturedfile) {
if (destinationType == Camera.DestinationType.FILE_URI || destinationType == Camera.DestinationType.NATIVE_URI) {
if (targetHeight > 0 && targetWidth > 0) {
resizeImage(capturedfile);
} else {
capturedfile.copyAsync(Windows.Storage.ApplicationData.current.localFolder, capturedfile.name, generateUniqueCollisionOption).done(function(copiedfile) {
successCallback("ms-appdata:///local/" + copiedfile.name);
}, errorCallback);
}
} else {
if (targetHeight > 0 && targetWidth > 0) {
resizeImageBase64(capturedfile);
} else {
Windows.Storage.FileIO.readBufferAsync(capturedfile).done(function(buffer) {
var strBase64 = Windows.Security.Cryptography.CryptographicBuffer.encodeToBase64String(buffer);
capturedfile.deleteAsync().done(function() {
successCallback(strBase64);
}, function(err) {
console.error(err);
successCallback(strBase64);
});
}, errorCallback);
}
}
};
if (saveToPhotoAlbum) {
capturedFile.copyAsync(Windows.Storage.KnownFolders.picturesLibrary, capturedFile.name, generateUniqueCollisionOption)
.done(function() {
success(capturedFile);
}, errorCallback);
} else {
success(capturedFile);
}
}, function(err) {
destroyCameraPreview();
errorCallback(err);
});
}, function(err) {
destroyCameraPreview();
errorCallback(err);
});
};
try {
createCameraUI();
startCameraPreview();
} catch (ex) {
errorCallback(ex);
}
}, function () {
errorCallback("Fail to capture a photo.");
});
} else {
var cameraCaptureUI = new Windows.Media.Capture.CameraCaptureUI();
cameraCaptureUI.photoSettings.allowCropping = allowCrop;
if (encodingType == Camera.EncodingType.PNG) {
cameraCaptureUI.photoSettings.format = Windows.Media.Capture.CameraCaptureUIPhotoFormat.png;
} else {
cameraCaptureUI.photoSettings.format = Windows.Media.Capture.CameraCaptureUIPhotoFormat.jpeg;
}
// decide which max pixels should be supported by targetWidth or targetHeight.
if (targetWidth >= 1280 || targetHeight >= 960) {
cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.large3M;
} else if (targetWidth >= 1024 || targetHeight >= 768) {
cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.mediumXga;
} else if (targetWidth >= 800 || targetHeight >= 600) {
cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.mediumXga;
} else if (targetWidth >= 640 || targetHeight >= 480) {
cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.smallVga;
} else if (targetWidth >= 320 || targetHeight >= 240) {
cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.verySmallQvga;
} else {
cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.highestAvailable;
}
cameraCaptureUI.captureFileAsync(Windows.Media.Capture.CameraCaptureUIMode.photo).then(function(picture) {
if (picture) {
// save to photo album successCallback
var success = function() {
if (destinationType == Camera.DestinationType.FILE_URI) {
if (targetHeight > 0 && targetWidth > 0) {
resizeImage(picture);
} else {
var storageFolder = Windows.Storage.ApplicationData.current.localFolder;
picture.copyAsync(storageFolder, picture.name, Windows.Storage.NameCollisionOption.replaceExisting).then(function(storageFile) {
successCallback("ms-appdata:///local/" + storageFile.name);
}, function() {
errorCallback("Can't access localStorage folder.");
});
}
} else {
if (targetHeight > 0 && targetWidth > 0) {
resizeImageBase64(picture);
} else {
Windows.Storage.FileIO.readBufferAsync(picture).done(function(buffer) {
var strBase64 = Windows.Security.Cryptography.CryptographicBuffer.encodeToBase64String(buffer);
successCallback(strBase64);
});
}
}
};
// save to photo album errorCallback
var fail = function() {
//errorCallback("FileError, code:" + fileError.code);
errorCallback("Save fail.");
};
if (saveToPhotoAlbum) {
Windows.Storage.StorageFile.getFileFromPathAsync(picture.path).then(function(storageFile) {
storageFile.copyAsync(Windows.Storage.KnownFolders.picturesLibrary, picture.name, Windows.Storage.NameCollisionOption.generateUniqueName).then(function(storageFile) {
success();
}, function() {
fail();
});
});
} else {
success();
}
} else {
errorCallback("User didn't capture a photo.");
}
}, function() {
errorCallback("Fail to capture a photo.");
});
}
}
}
};