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Code Issues Projects Releases Wiki Activity

CB-8054 Support taking pictures from file for WP8

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codereview

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This commit is contained in:
Murat Sutunc 2015-04-15 17:20:30 -07:00
parent b67e4a09ed
commit 0dabe94416
1 changed files with 88 additions and 14 deletions
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100
src/windows/CameraProxy.js
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@ -53,6 +53,9 @@ module.exports = {
}
};
// https://msdn.microsoft.com/en-us/library/windows/apps/ff462087(v=vs.105).aspx
var windowsVideoContainers = [".avi", ".flv", ".asx", ".asf", ".mov", ".mp4", ".mpg", ".rm", ".srt", ".swf", ".wmv", ".vob"];
var windowsPhoneVideoContainers = [".avi", ".3gp", ".3g2", ".wmv", ".3gp", ".3g2" ".mp4", ".m4v"];
// Resize method
function resizeImage(successCallback, errorCallback, file, targetWidth, targetHeight, encodingType) {
@ -134,27 +137,99 @@ function resizeImageBase64(successCallback, errorCallback, file, targetWidth, ta
}, function(err) { errorCallback(err); });
}
function takePictureFromFile(successCallback, errorCallback, mediaType, destinationType, targetWidth, targetHeight, encodingType) {
// 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');
function takePictureFromFile(successCallback, errorCallback, args) {
// Detect Windows Phone
if (navigator.appVersion.indexOf('Windows Phone 8.1') >= 0) {
takePictureFromFileWP(successCallback, errorCallback, args);
} else {
takePictureFromFileWindows(successCallback, errorCallback, args);
}
}
function takePictureFromFileWP(successCallback, errorCallback, args) {
var mediaType = args[6],
destinationType = args[1],
targetWidth = args[3],
targetHeight = args[4],
encodingType = args[5];
/*
Need to add and remove an event listener to catch activation state
Using FileOpenPicker will suspend the app and it's required to catch the PickSingleFileAndContinue
https://msdn.microsoft.com/en-us/library/windows/apps/xaml/dn631755.aspx
*/
var filePickerActivationHandler = function(eventArgs) {
if (eventArgs.kind === Windows.ApplicationModel.Activation.ActivationKind.pickFileContinuation) {
var file = eventArgs.files[0];
if (!file) {
errorCallback("User didn't choose a file.");
Windows.UI.WebUI.WebUIApplication.removeEventListener("activated", filePickerActivationHandler);
return;
}
if (destinationType == Camera.DestinationType.FILE_URI || destinationType == Camera.DestinationType.NATIVE_URI) {
if (targetHeight > 0 && targetWidth > 0) {
resizeImage(successCallback, errorCallback, file, targetWidth, targetHeight, encodingType);
}
else {
var storageFolder = Windows.Storage.ApplicationData.current.localFolder;
file.copyAsync(storageFolder, file.name, Windows.Storage.NameCollisionOption.replaceExisting).done(function (storageFile) {
successCallback(URL.createObjectURL(storageFile));
}, function () {
errorCallback("Can't access localStorage folder.");
});
}
}
else {
if (targetHeight > 0 && targetWidth > 0) {
resizeImageBase64(successCallback, errorCallback, file, targetWidth, targetHeight);
} else {
Windows.Storage.FileIO.readBufferAsync(file).done(function (buffer) {
var strBase64 = Windows.Security.Cryptography.CryptographicBuffer.encodeToBase64String(buffer);
successCallback(strBase64);
}, errorCallback);
}
}
Windows.UI.WebUI.WebUIApplication.removeEventListener("activated", filePickerActivationHandler);
}
};
var fileOpenPicker = new Windows.Storage.Pickers.FileOpenPicker();
fileOpenPicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.picturesLibrary;
if (mediaType == Camera.MediaType.PICTURE) {
fileOpenPicker.fileTypeFilter.replaceAll([".png", ".jpg", ".jpeg"]);
fileOpenPicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.picturesLibrary;
}
else if (mediaType == Camera.MediaType.VIDEO) {
fileOpenPicker.fileTypeFilter.replaceAll([".avi", ".flv", ".asx", ".asf", ".mov", ".mp4", ".mpg", ".rm", ".srt", ".swf", ".wmv", ".vob"]);
fileOpenPicker.fileTypeFilter.replaceAll(windowsPhoneVideoContainers);
fileOpenPicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.videosLibrary;
}
else {
fileOpenPicker.fileTypeFilter.replaceAll(["*"]);
fileOpenPicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.documentsLibrary;
}
Windows.UI.WebUI.WebUIApplication.addEventListener("activated", filePickerActivationHandler);
fileOpenPicker.pickSingleFileAndContinue();
}
function takePictureFromFileWindows(successCallback, errorCallback, args) {
var mediaType = args[6],
destinationType = args[1],
targetWidth = args[3],
targetHeight = args[4],
encodingType = args[5];
var fileOpenPicker = new Windows.Storage.Pickers.FileOpenPicker();
if (mediaType == Camera.MediaType.PICTURE) {
fileOpenPicker.fileTypeFilter.replaceAll([".png", ".jpg", ".jpeg"]);
fileOpenPicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.picturesLibrary;
}
else if (mediaType == Camera.MediaType.VIDEO) {
fileOpenPicker.fileTypeFilter.replaceAll(windowsVideoContainers);
fileOpenPicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.videosLibrary;
}
else {
fileOpenPicker.fileTypeFilter.replaceAll(["*"]);
fileOpenPicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.documentsLibrary;
}
fileOpenPicker.pickSingleFileAsync().done(function (file) {
@ -173,7 +248,6 @@ function takePictureFromFile(successCallback, errorCallback, mediaType, destinat
}, function () {
errorCallback("Can't access localStorage folder.");
});
}
}
else {
@ -379,7 +453,7 @@ function takePictureFromCameraWP(successCallback, errorCallback, args) {
};
var savePicker = new Windows.Storage.Pickers.FileSavePicker();
savePicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.documentsLibrary;
savePicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.picturesLibrary;
if (encodingType === Camera.EncodingType.PNG) {
savePicker.fileTypeChoices.insert("PNG", [".png"]);
} else {
@ -475,7 +549,7 @@ function takePictureFromCameraWindows(successCallback, errorCallback, args) {
var savePicker = new Windows.Storage.Pickers.FileSavePicker();
savePicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.documentsLibrary;
savePicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.picturesLibrary;
if (encodingType === Camera.EncodingType.PNG) {
savePicker.fileTypeChoices.insert("PNG", [".png"]);
savePicker.suggestedFileName = "photo.png";