1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/xpwidgets/nsBaseFilePicker.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,333 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + *
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "nsCOMPtr.h"
1.11 +#include "nsPIDOMWindow.h"
1.12 +#include "nsIDocShell.h"
1.13 +#include "nsIInterfaceRequestorUtils.h"
1.14 +#include "nsIBaseWindow.h"
1.15 +#include "nsIWidget.h"
1.16 +
1.17 +#include "nsIStringBundle.h"
1.18 +#include "nsXPIDLString.h"
1.19 +#include "nsIServiceManager.h"
1.20 +#include "nsCOMArray.h"
1.21 +#include "nsIFile.h"
1.22 +#include "nsDOMFile.h"
1.23 +#include "nsEnumeratorUtils.h"
1.24 +#include "mozilla/Services.h"
1.25 +#include "WidgetUtils.h"
1.26 +#include "nsThreadUtils.h"
1.27 +
1.28 +#include "nsBaseFilePicker.h"
1.29 +
1.30 +using namespace mozilla::widget;
1.31 +
1.32 +#define FILEPICKER_TITLES "chrome://global/locale/filepicker.properties"
1.33 +#define FILEPICKER_FILTERS "chrome://global/content/filepicker.properties"
1.34 +
1.35 +/**
1.36 + * A runnable to dispatch from the main thread to the main thread to display
1.37 + * the file picker while letting the showAsync method return right away.
1.38 +*/
1.39 +class AsyncShowFilePicker : public nsRunnable
1.40 +{
1.41 +public:
1.42 + AsyncShowFilePicker(nsIFilePicker *aFilePicker,
1.43 + nsIFilePickerShownCallback *aCallback) :
1.44 + mFilePicker(aFilePicker),
1.45 + mCallback(aCallback)
1.46 + {
1.47 + }
1.48 +
1.49 + NS_IMETHOD Run()
1.50 + {
1.51 + NS_ASSERTION(NS_IsMainThread(),
1.52 + "AsyncShowFilePicker should be on the main thread!");
1.53 +
1.54 + // It's possible that some widget implementations require GUI operations
1.55 + // to be on the main thread, so that's why we're not dispatching to another
1.56 + // thread and calling back to the main after it's done.
1.57 + int16_t result = nsIFilePicker::returnCancel;
1.58 + nsresult rv = mFilePicker->Show(&result);
1.59 + if (NS_FAILED(rv)) {
1.60 + NS_ERROR("FilePicker's Show() implementation failed!");
1.61 + }
1.62 +
1.63 + if (mCallback) {
1.64 + mCallback->Done(result);
1.65 + }
1.66 + return NS_OK;
1.67 + }
1.68 +
1.69 +private:
1.70 + nsRefPtr<nsIFilePicker> mFilePicker;
1.71 + nsRefPtr<nsIFilePickerShownCallback> mCallback;
1.72 +};
1.73 +
1.74 +class nsBaseFilePickerEnumerator : public nsISimpleEnumerator
1.75 +{
1.76 +public:
1.77 + NS_DECL_ISUPPORTS
1.78 +
1.79 + nsBaseFilePickerEnumerator(nsISimpleEnumerator* iterator)
1.80 + : mIterator(iterator)
1.81 + {}
1.82 +
1.83 + virtual ~nsBaseFilePickerEnumerator()
1.84 + {}
1.85 +
1.86 + NS_IMETHOD
1.87 + GetNext(nsISupports** aResult)
1.88 + {
1.89 + nsCOMPtr<nsISupports> tmp;
1.90 + nsresult rv = mIterator->GetNext(getter_AddRefs(tmp));
1.91 + NS_ENSURE_SUCCESS(rv, rv);
1.92 +
1.93 + if (!tmp) {
1.94 + return NS_OK;
1.95 + }
1.96 +
1.97 + nsCOMPtr<nsIFile> localFile = do_QueryInterface(tmp);
1.98 + if (!localFile) {
1.99 + return NS_ERROR_FAILURE;
1.100 + }
1.101 +
1.102 + nsCOMPtr<nsIDOMFile> domFile = new nsDOMFileFile(localFile);
1.103 + domFile.forget(aResult);
1.104 + return NS_OK;
1.105 + }
1.106 +
1.107 + NS_IMETHOD
1.108 + HasMoreElements(bool* aResult)
1.109 + {
1.110 + return mIterator->HasMoreElements(aResult);
1.111 + }
1.112 +
1.113 +private:
1.114 + nsCOMPtr<nsISimpleEnumerator> mIterator;
1.115 +};
1.116 +
1.117 +NS_IMPL_ISUPPORTS(nsBaseFilePickerEnumerator, nsISimpleEnumerator)
1.118 +
1.119 +nsBaseFilePicker::nsBaseFilePicker()
1.120 + : mAddToRecentDocs(true)
1.121 + , mMode(nsIFilePicker::modeOpen)
1.122 +{
1.123 +
1.124 +}
1.125 +
1.126 +nsBaseFilePicker::~nsBaseFilePicker()
1.127 +{
1.128 +
1.129 +}
1.130 +
1.131 +NS_IMETHODIMP nsBaseFilePicker::Init(nsIDOMWindow *aParent,
1.132 + const nsAString& aTitle,
1.133 + int16_t aMode)
1.134 +{
1.135 + NS_PRECONDITION(aParent, "Null parent passed to filepicker, no file "
1.136 + "picker for you!");
1.137 + nsCOMPtr<nsIWidget> widget = WidgetUtils::DOMWindowToWidget(aParent);
1.138 + NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
1.139 +
1.140 + mMode = aMode;
1.141 + InitNative(widget, aTitle);
1.142 +
1.143 + return NS_OK;
1.144 +}
1.145 +
1.146 +NS_IMETHODIMP
1.147 +nsBaseFilePicker::Open(nsIFilePickerShownCallback *aCallback)
1.148 +{
1.149 + nsCOMPtr<nsIRunnable> filePickerEvent =
1.150 + new AsyncShowFilePicker(this, aCallback);
1.151 + return NS_DispatchToMainThread(filePickerEvent);
1.152 +}
1.153 +
1.154 +NS_IMETHODIMP
1.155 +nsBaseFilePicker::AppendFilters(int32_t aFilterMask)
1.156 +{
1.157 + nsCOMPtr<nsIStringBundleService> stringService =
1.158 + mozilla::services::GetStringBundleService();
1.159 + if (!stringService)
1.160 + return NS_ERROR_FAILURE;
1.161 +
1.162 + nsCOMPtr<nsIStringBundle> titleBundle, filterBundle;
1.163 +
1.164 + nsresult rv = stringService->CreateBundle(FILEPICKER_TITLES,
1.165 + getter_AddRefs(titleBundle));
1.166 + if (NS_FAILED(rv))
1.167 + return NS_ERROR_FAILURE;
1.168 +
1.169 + rv = stringService->CreateBundle(FILEPICKER_FILTERS, getter_AddRefs(filterBundle));
1.170 + if (NS_FAILED(rv))
1.171 + return NS_ERROR_FAILURE;
1.172 +
1.173 + nsXPIDLString title;
1.174 + nsXPIDLString filter;
1.175 +
1.176 + if (aFilterMask & filterAll) {
1.177 + titleBundle->GetStringFromName(MOZ_UTF16("allTitle"), getter_Copies(title));
1.178 + filterBundle->GetStringFromName(MOZ_UTF16("allFilter"), getter_Copies(filter));
1.179 + AppendFilter(title,filter);
1.180 + }
1.181 + if (aFilterMask & filterHTML) {
1.182 + titleBundle->GetStringFromName(MOZ_UTF16("htmlTitle"), getter_Copies(title));
1.183 + filterBundle->GetStringFromName(MOZ_UTF16("htmlFilter"), getter_Copies(filter));
1.184 + AppendFilter(title,filter);
1.185 + }
1.186 + if (aFilterMask & filterText) {
1.187 + titleBundle->GetStringFromName(MOZ_UTF16("textTitle"), getter_Copies(title));
1.188 + filterBundle->GetStringFromName(MOZ_UTF16("textFilter"), getter_Copies(filter));
1.189 + AppendFilter(title,filter);
1.190 + }
1.191 + if (aFilterMask & filterImages) {
1.192 + titleBundle->GetStringFromName(MOZ_UTF16("imageTitle"), getter_Copies(title));
1.193 + filterBundle->GetStringFromName(MOZ_UTF16("imageFilter"), getter_Copies(filter));
1.194 + AppendFilter(title,filter);
1.195 + }
1.196 + if (aFilterMask & filterAudio) {
1.197 + titleBundle->GetStringFromName(MOZ_UTF16("audioTitle"), getter_Copies(title));
1.198 + filterBundle->GetStringFromName(MOZ_UTF16("audioFilter"), getter_Copies(filter));
1.199 + AppendFilter(title,filter);
1.200 + }
1.201 + if (aFilterMask & filterVideo) {
1.202 + titleBundle->GetStringFromName(MOZ_UTF16("videoTitle"), getter_Copies(title));
1.203 + filterBundle->GetStringFromName(MOZ_UTF16("videoFilter"), getter_Copies(filter));
1.204 + AppendFilter(title,filter);
1.205 + }
1.206 + if (aFilterMask & filterXML) {
1.207 + titleBundle->GetStringFromName(MOZ_UTF16("xmlTitle"), getter_Copies(title));
1.208 + filterBundle->GetStringFromName(MOZ_UTF16("xmlFilter"), getter_Copies(filter));
1.209 + AppendFilter(title,filter);
1.210 + }
1.211 + if (aFilterMask & filterXUL) {
1.212 + titleBundle->GetStringFromName(MOZ_UTF16("xulTitle"), getter_Copies(title));
1.213 + filterBundle->GetStringFromName(MOZ_UTF16("xulFilter"), getter_Copies(filter));
1.214 + AppendFilter(title, filter);
1.215 + }
1.216 + if (aFilterMask & filterApps) {
1.217 + titleBundle->GetStringFromName(MOZ_UTF16("appsTitle"), getter_Copies(title));
1.218 + // Pass the magic string "..apps" to the platform filepicker, which it
1.219 + // should recognize and do the correct platform behavior for.
1.220 + AppendFilter(title, NS_LITERAL_STRING("..apps"));
1.221 + }
1.222 + return NS_OK;
1.223 +}
1.224 +
1.225 +// Set the filter index
1.226 +NS_IMETHODIMP nsBaseFilePicker::GetFilterIndex(int32_t *aFilterIndex)
1.227 +{
1.228 + *aFilterIndex = 0;
1.229 + return NS_OK;
1.230 +}
1.231 +
1.232 +NS_IMETHODIMP nsBaseFilePicker::SetFilterIndex(int32_t aFilterIndex)
1.233 +{
1.234 + return NS_OK;
1.235 +}
1.236 +
1.237 +NS_IMETHODIMP nsBaseFilePicker::GetFiles(nsISimpleEnumerator **aFiles)
1.238 +{
1.239 + NS_ENSURE_ARG_POINTER(aFiles);
1.240 + nsCOMArray <nsIFile> files;
1.241 + nsresult rv;
1.242 +
1.243 + // if we get into the base class, the platform
1.244 + // doesn't implement GetFiles() yet.
1.245 + // so we fake it.
1.246 + nsCOMPtr <nsIFile> file;
1.247 + rv = GetFile(getter_AddRefs(file));
1.248 + NS_ENSURE_SUCCESS(rv,rv);
1.249 +
1.250 + files.AppendObject(file);
1.251 +
1.252 + return NS_NewArrayEnumerator(aFiles, files);
1.253 +}
1.254 +
1.255 +// Set the display directory
1.256 +NS_IMETHODIMP nsBaseFilePicker::SetDisplayDirectory(nsIFile *aDirectory)
1.257 +{
1.258 + if (!aDirectory) {
1.259 + mDisplayDirectory = nullptr;
1.260 + return NS_OK;
1.261 + }
1.262 + nsCOMPtr<nsIFile> directory;
1.263 + nsresult rv = aDirectory->Clone(getter_AddRefs(directory));
1.264 + if (NS_FAILED(rv))
1.265 + return rv;
1.266 + mDisplayDirectory = do_QueryInterface(directory, &rv);
1.267 + return rv;
1.268 +}
1.269 +
1.270 +// Get the display directory
1.271 +NS_IMETHODIMP nsBaseFilePicker::GetDisplayDirectory(nsIFile **aDirectory)
1.272 +{
1.273 + *aDirectory = nullptr;
1.274 + if (!mDisplayDirectory)
1.275 + return NS_OK;
1.276 + nsCOMPtr<nsIFile> directory;
1.277 + nsresult rv = mDisplayDirectory->Clone(getter_AddRefs(directory));
1.278 + if (NS_FAILED(rv)) {
1.279 + return rv;
1.280 + }
1.281 + directory.forget(aDirectory);
1.282 + return NS_OK;
1.283 +}
1.284 +
1.285 +NS_IMETHODIMP
1.286 +nsBaseFilePicker::GetAddToRecentDocs(bool *aFlag)
1.287 +{
1.288 + *aFlag = mAddToRecentDocs;
1.289 + return NS_OK;
1.290 +}
1.291 +
1.292 +NS_IMETHODIMP
1.293 +nsBaseFilePicker::SetAddToRecentDocs(bool aFlag)
1.294 +{
1.295 + mAddToRecentDocs = aFlag;
1.296 + return NS_OK;
1.297 +}
1.298 +
1.299 +NS_IMETHODIMP
1.300 +nsBaseFilePicker::GetMode(int16_t* aMode)
1.301 +{
1.302 + *aMode = mMode;
1.303 + return NS_OK;
1.304 +}
1.305 +
1.306 +NS_IMETHODIMP
1.307 +nsBaseFilePicker::GetDomfile(nsIDOMFile** aDomfile)
1.308 +{
1.309 + nsCOMPtr<nsIFile> localFile;
1.310 + nsresult rv = GetFile(getter_AddRefs(localFile));
1.311 + NS_ENSURE_SUCCESS(rv, rv);
1.312 +
1.313 + if (!localFile) {
1.314 + *aDomfile = nullptr;
1.315 + return NS_OK;
1.316 + }
1.317 +
1.318 + nsRefPtr<nsDOMFileFile> domFile = new nsDOMFileFile(localFile);
1.319 + domFile.forget(aDomfile);
1.320 + return NS_OK;
1.321 +}
1.322 +
1.323 +NS_IMETHODIMP
1.324 +nsBaseFilePicker::GetDomfiles(nsISimpleEnumerator** aDomfiles)
1.325 +{
1.326 + nsCOMPtr<nsISimpleEnumerator> iter;
1.327 + nsresult rv = GetFiles(getter_AddRefs(iter));
1.328 + NS_ENSURE_SUCCESS(rv, rv);
1.329 +
1.330 + nsRefPtr<nsBaseFilePickerEnumerator> retIter =
1.331 + new nsBaseFilePickerEnumerator(iter);
1.332 +
1.333 + retIter.forget(aDomfiles);
1.334 + return NS_OK;
1.335 +}
1.336 +
