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Add WebChromeClient.showFileChooser

Browse Source 
Bug: 6930981

This replaces the never-published openFileChooser, and is more future
extensible.
Currently hidden; will unhide once working end to end and tested.

Change-Id: Ie66750be37e5b90e4a411cec76278369dc8dabe8
This commit is contained in:
Jonathan Dixon
2013-07-27 15:37:31 -07:00
committed by Selim Gurun
parent 13d6cfb3b5
commit 3a5cf3876c
1 changed files with 78 additions and 2 deletions
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80
core/java/android/webkit/WebChromeClient.java
View File

@@ -92,7 +92,7 @@ public class WebChromeClient {
@Deprecated
public void onShowCustomView(View view, int requestedOrientation,
CustomViewCallback callback) {};
/**
* Notify the host application that the current page would
* like to hide its custom view.
@@ -391,6 +391,79 @@ public class WebChromeClient {
public void getVisitedHistory(ValueCallback<String[]> callback) {
}
/**
* Tell the client to show a file chooser.
*
* This is called to handle HTML forms with 'file' input type, in response to the
* user pressing the "Select File" button.
* To cancel the request, call <code>filePathCallback.onReceiveValue(null)</code> and
* return true.
*
* @param webView The WebView instance that is initiating the request.
* @param filePathCallback Invoke this callback to supply the list of paths to files to upload,
* or NULL to cancel. Must only be called if the
* <code>showFileChooser</code> implementations returns true.
* @param fileChooserParams Describes the mode of file chooser to be opened, and options to be
* used with it.
* @return true if filePathCallback will be invoked, false to use default handling.
*
* @see FileChooserParams
* @hide For API approval
*/
public boolean showFileChooser(WebView webView, ValueCallback<Uri[]> filePathCallback,
FileChooserParams fileChooserParams) {
return false;
}
/**
* Parameters used in the {@link #showFileChooser(WebView,ValueCallback<String[]>,FileChooserParams)}
* method.
*
* This is intended to be used as a read-only data struct by the application.
* @hide For API approval
*/
public static class FileChooserParams {
// Flags for mode
/** Bitflag for <code>mode</code> indicating multiple files maybe selected */
public static final int MODE_OPEN_MULTIPLE = 1 << 0;
/** Bitflag for <code>mode</code> indicating a folder maybe selected.
* The implementation should enumerate all files selected by this operation */
public static final int MODE_OPEN_FOLDER = 1 << 1;
/** Bitflag for <code>mode</code> indicating a non-existant filename maybe returned */
public static final int MODE_SAVE = 1 << 2;
/**
* Bit-field of the <code>MODE_</code> flags.
*
* 0 indicates plain single file open.
*/
public int mode;
/**
* Comma-seperated list of acceptable MIME types.
*/
public String acceptTypes;
/**
* true indicates a preference for a live media captured value (e.g. Camera, Microphone).
*
* Use <code>acceptTypes</code> to determine suitable capture devices.
*/
public boolean capture;
/**
* The title to use for this file selector, or null.
*
* Maybe null, in which case a default title should be used.
*/
public String title;
/**
* Name of a default selection if appropriate, or null.
*/
public String defaultFilename;
};
/**
* Tell the client to open a file chooser.
* @param uploadFile A ValueCallback to set the URI of the file to upload.
@@ -399,8 +472,11 @@ public class WebChromeClient {
* associated with this file picker.
* @param capture The value of the 'capture' attribute of the input tag
* associated with this file picker.
* @hide
*
* @deprecated Use {@link #showFileChooser} instead.
* @hide This method was not published in any SDK version.
*/
@Deprecated
public void openFileChooser(ValueCallback<Uri> uploadFile, String acceptType, String capture) {
uploadFile.onReceiveValue(null);
}