gecko-dev/widget/android/nsFilePicker.cpp

137 строки
3.7 KiB
C++

/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsFilePicker.h"
#include "AndroidBridge.h"
#include "nsNetUtil.h"
#include "nsIURI.h"
NS_IMPL_ISUPPORTS1(nsFilePicker, nsIFilePicker)
NS_IMETHODIMP nsFilePicker::Init(nsIDOMWindow *parent, const nsAString& title,
int16_t mode)
{
return (mode == nsIFilePicker::modeOpen ||
mode == nsIFilePicker::modeOpenMultiple)
? NS_OK
: NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsFilePicker::AppendFilters(int32_t aFilterMask)
{
if (aFilterMask & filterAudio) {
mMimeTypeFilter.AssignLiteral("audio/*");
return NS_OK;
}
if (aFilterMask & filterImages) {
mMimeTypeFilter.AssignLiteral("image/*");
return NS_OK;
}
if (aFilterMask & filterVideo) {
mMimeTypeFilter.AssignLiteral("video/*");
return NS_OK;
}
if (aFilterMask & filterAll) {
mMimeTypeFilter.AssignLiteral("*/*");
return NS_OK;
}
return nsBaseFilePicker::AppendFilters(aFilterMask);
}
NS_IMETHODIMP nsFilePicker::AppendFilter(const nsAString& /*title*/,
const nsAString& filter)
{
if (!mExtensionsFilter.IsEmpty())
mExtensionsFilter.AppendLiteral(", ");
mExtensionsFilter.Append(filter);
return NS_OK;
}
NS_IMETHODIMP nsFilePicker::GetDefaultString(nsAString & aDefaultString)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsFilePicker::SetDefaultString(const nsAString & aDefaultString)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsFilePicker::GetDefaultExtension(nsAString & aDefaultExtension)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsFilePicker::SetDefaultExtension(const nsAString & aDefaultExtension)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsFilePicker::GetDisplayDirectory(nsIFile **aDisplayDirectory)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsFilePicker::SetDisplayDirectory(nsIFile *aDisplayDirectory)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsFilePicker::GetFile(nsIFile **aFile)
{
NS_ENSURE_ARG_POINTER(aFile);
*aFile = nullptr;
if (mFilePath.IsEmpty()) {
return NS_OK;
}
nsCOMPtr<nsIFile> file(do_CreateInstance("@mozilla.org/file/local;1"));
NS_ENSURE_TRUE(file, NS_ERROR_FAILURE);
file->InitWithPath(mFilePath);
NS_ADDREF(*aFile = file);
nsCString path;
(*aFile)->GetNativePath(path);
return NS_OK;
}
NS_IMETHODIMP nsFilePicker::GetFileURL(nsIURI **aFileURL)
{
nsCOMPtr<nsIFile> file;
GetFile(getter_AddRefs(file));
nsCOMPtr<nsIURI> uri;
NS_NewFileURI(getter_AddRefs(uri), file);
NS_ENSURE_TRUE(uri, NS_ERROR_FAILURE);
return CallQueryInterface(uri, aFileURL);
}
NS_IMETHODIMP nsFilePicker::Show(int16_t *_retval)
{
if (!mozilla::AndroidBridge::Bridge())
return NS_ERROR_NOT_IMPLEMENTED;
nsAutoString filePath;
if (mExtensionsFilter.IsEmpty() && mMimeTypeFilter.IsEmpty()) {
// If neither filters is set show anything we can.
mozilla::AndroidBridge::Bridge()->ShowFilePickerForMimeType(filePath, NS_LITERAL_STRING("*/*"));
} else if (!mExtensionsFilter.IsEmpty()) {
mozilla::AndroidBridge::Bridge()->ShowFilePickerForExtensions(filePath, mExtensionsFilter);
} else {
mozilla::AndroidBridge::Bridge()->ShowFilePickerForMimeType(filePath, mMimeTypeFilter);
}
*_retval = EmptyString().Equals(filePath) ?
nsIFilePicker::returnCancel : nsIFilePicker::returnOK;
if (*_retval == nsIFilePicker::returnOK)
mFilePath.Assign(filePath);
return NS_OK;
}