michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsPIDOMWindow.h"
michael@0: #include "nsIDocShell.h"
michael@0: #include "nsIInterfaceRequestorUtils.h"
michael@0: #include "nsIBaseWindow.h"
michael@0: #include "nsIWidget.h"
michael@0: 
michael@0: #include "nsIStringBundle.h"
michael@0: #include "nsXPIDLString.h"
michael@0: #include "nsIServiceManager.h"
michael@0: #include "nsCOMArray.h"
michael@0: #include "nsIFile.h"
michael@0: #include "nsDOMFile.h"
michael@0: #include "nsEnumeratorUtils.h"
michael@0: #include "mozilla/Services.h"
michael@0: #include "WidgetUtils.h"
michael@0: #include "nsThreadUtils.h"
michael@0: 
michael@0: #include "nsBaseFilePicker.h"
michael@0: 
michael@0: using namespace mozilla::widget;
michael@0: 
michael@0: #define FILEPICKER_TITLES "chrome://global/locale/filepicker.properties"
michael@0: #define FILEPICKER_FILTERS "chrome://global/content/filepicker.properties"
michael@0: 
michael@0: /**
michael@0:  * A runnable to dispatch from the main thread to the main thread to display
michael@0:  * the file picker while letting the showAsync method return right away.
michael@0: */
michael@0: class AsyncShowFilePicker : public nsRunnable
michael@0: {
michael@0: public:
michael@0:   AsyncShowFilePicker(nsIFilePicker *aFilePicker,
michael@0:                       nsIFilePickerShownCallback *aCallback) :
michael@0:     mFilePicker(aFilePicker),
michael@0:     mCallback(aCallback)
michael@0:   {
michael@0:   }
michael@0: 
michael@0:   NS_IMETHOD Run()
michael@0:   {
michael@0:     NS_ASSERTION(NS_IsMainThread(),
michael@0:                  "AsyncShowFilePicker should be on the main thread!");
michael@0: 
michael@0:     // It's possible that some widget implementations require GUI operations
michael@0:     // to be on the main thread, so that's why we're not dispatching to another
michael@0:     // thread and calling back to the main after it's done.
michael@0:     int16_t result = nsIFilePicker::returnCancel;
michael@0:     nsresult rv = mFilePicker->Show(&result);
michael@0:     if (NS_FAILED(rv)) {
michael@0:       NS_ERROR("FilePicker's Show() implementation failed!");
michael@0:     }
michael@0: 
michael@0:     if (mCallback) {
michael@0:       mCallback->Done(result);
michael@0:     }
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0: private:
michael@0:   nsRefPtr<nsIFilePicker> mFilePicker;
michael@0:   nsRefPtr<nsIFilePickerShownCallback> mCallback;
michael@0: };
michael@0: 
michael@0: class nsBaseFilePickerEnumerator : public nsISimpleEnumerator
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS
michael@0: 
michael@0:   nsBaseFilePickerEnumerator(nsISimpleEnumerator* iterator)
michael@0:     : mIterator(iterator)
michael@0:   {}
michael@0: 
michael@0:   virtual ~nsBaseFilePickerEnumerator()
michael@0:   {}
michael@0: 
michael@0:   NS_IMETHOD
michael@0:   GetNext(nsISupports** aResult)
michael@0:   {
michael@0:     nsCOMPtr<nsISupports> tmp;
michael@0:     nsresult rv = mIterator->GetNext(getter_AddRefs(tmp));
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     if (!tmp) {
michael@0:       return NS_OK;
michael@0:     }
michael@0: 
michael@0:     nsCOMPtr<nsIFile> localFile = do_QueryInterface(tmp);
michael@0:     if (!localFile) {
michael@0:       return NS_ERROR_FAILURE;
michael@0:     }
michael@0: 
michael@0:     nsCOMPtr<nsIDOMFile> domFile = new nsDOMFileFile(localFile);
michael@0:     domFile.forget(aResult);
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   NS_IMETHOD
michael@0:   HasMoreElements(bool* aResult)
michael@0:   {
michael@0:     return mIterator->HasMoreElements(aResult);
michael@0:   }
michael@0: 
michael@0: private:
michael@0:   nsCOMPtr<nsISimpleEnumerator> mIterator;
michael@0: };
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsBaseFilePickerEnumerator, nsISimpleEnumerator)
michael@0: 
michael@0: nsBaseFilePicker::nsBaseFilePicker()
michael@0:   : mAddToRecentDocs(true)
michael@0:   , mMode(nsIFilePicker::modeOpen)
michael@0: {
michael@0: 
michael@0: }
michael@0: 
michael@0: nsBaseFilePicker::~nsBaseFilePicker()
michael@0: {
michael@0: 
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsBaseFilePicker::Init(nsIDOMWindow *aParent,
michael@0:                                      const nsAString& aTitle,
michael@0:                                      int16_t aMode)
michael@0: {
michael@0:   NS_PRECONDITION(aParent, "Null parent passed to filepicker, no file "
michael@0:                   "picker for you!");
michael@0:   nsCOMPtr<nsIWidget> widget = WidgetUtils::DOMWindowToWidget(aParent);
michael@0:   NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
michael@0: 
michael@0:   mMode = aMode;
michael@0:   InitNative(widget, aTitle);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsBaseFilePicker::Open(nsIFilePickerShownCallback *aCallback)
michael@0: {
michael@0:   nsCOMPtr<nsIRunnable> filePickerEvent =
michael@0:     new AsyncShowFilePicker(this, aCallback);
michael@0:   return NS_DispatchToMainThread(filePickerEvent);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsBaseFilePicker::AppendFilters(int32_t aFilterMask)
michael@0: {
michael@0:   nsCOMPtr<nsIStringBundleService> stringService =
michael@0:     mozilla::services::GetStringBundleService();
michael@0:   if (!stringService)
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsCOMPtr<nsIStringBundle> titleBundle, filterBundle;
michael@0: 
michael@0:   nsresult rv = stringService->CreateBundle(FILEPICKER_TITLES,
michael@0:                                             getter_AddRefs(titleBundle));
michael@0:   if (NS_FAILED(rv))
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   rv = stringService->CreateBundle(FILEPICKER_FILTERS, getter_AddRefs(filterBundle));
michael@0:   if (NS_FAILED(rv))
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   nsXPIDLString title;
michael@0:   nsXPIDLString filter;
michael@0: 
michael@0:   if (aFilterMask & filterAll) {
michael@0:     titleBundle->GetStringFromName(MOZ_UTF16("allTitle"), getter_Copies(title));
michael@0:     filterBundle->GetStringFromName(MOZ_UTF16("allFilter"), getter_Copies(filter));
michael@0:     AppendFilter(title,filter);
michael@0:   }
michael@0:   if (aFilterMask & filterHTML) {
michael@0:     titleBundle->GetStringFromName(MOZ_UTF16("htmlTitle"), getter_Copies(title));
michael@0:     filterBundle->GetStringFromName(MOZ_UTF16("htmlFilter"), getter_Copies(filter));
michael@0:     AppendFilter(title,filter);
michael@0:   }
michael@0:   if (aFilterMask & filterText) {
michael@0:     titleBundle->GetStringFromName(MOZ_UTF16("textTitle"), getter_Copies(title));
michael@0:     filterBundle->GetStringFromName(MOZ_UTF16("textFilter"), getter_Copies(filter));
michael@0:     AppendFilter(title,filter);
michael@0:   }
michael@0:   if (aFilterMask & filterImages) {
michael@0:     titleBundle->GetStringFromName(MOZ_UTF16("imageTitle"), getter_Copies(title));
michael@0:     filterBundle->GetStringFromName(MOZ_UTF16("imageFilter"), getter_Copies(filter));
michael@0:     AppendFilter(title,filter);
michael@0:   }
michael@0:   if (aFilterMask & filterAudio) {
michael@0:     titleBundle->GetStringFromName(MOZ_UTF16("audioTitle"), getter_Copies(title));
michael@0:     filterBundle->GetStringFromName(MOZ_UTF16("audioFilter"), getter_Copies(filter));
michael@0:     AppendFilter(title,filter);
michael@0:   }
michael@0:   if (aFilterMask & filterVideo) {
michael@0:     titleBundle->GetStringFromName(MOZ_UTF16("videoTitle"), getter_Copies(title));
michael@0:     filterBundle->GetStringFromName(MOZ_UTF16("videoFilter"), getter_Copies(filter));
michael@0:     AppendFilter(title,filter);
michael@0:   }
michael@0:   if (aFilterMask & filterXML) {
michael@0:     titleBundle->GetStringFromName(MOZ_UTF16("xmlTitle"), getter_Copies(title));
michael@0:     filterBundle->GetStringFromName(MOZ_UTF16("xmlFilter"), getter_Copies(filter));
michael@0:     AppendFilter(title,filter);
michael@0:   }
michael@0:   if (aFilterMask & filterXUL) {
michael@0:     titleBundle->GetStringFromName(MOZ_UTF16("xulTitle"), getter_Copies(title));
michael@0:     filterBundle->GetStringFromName(MOZ_UTF16("xulFilter"), getter_Copies(filter));
michael@0:     AppendFilter(title, filter);
michael@0:   }
michael@0:   if (aFilterMask & filterApps) {
michael@0:     titleBundle->GetStringFromName(MOZ_UTF16("appsTitle"), getter_Copies(title));
michael@0:     // Pass the magic string "..apps" to the platform filepicker, which it
michael@0:     // should recognize and do the correct platform behavior for.
michael@0:     AppendFilter(title, NS_LITERAL_STRING("..apps"));
michael@0:   }
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: // Set the filter index
michael@0: NS_IMETHODIMP nsBaseFilePicker::GetFilterIndex(int32_t *aFilterIndex)
michael@0: {
michael@0:   *aFilterIndex = 0;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsBaseFilePicker::SetFilterIndex(int32_t aFilterIndex)
michael@0: {
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsBaseFilePicker::GetFiles(nsISimpleEnumerator **aFiles)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aFiles);
michael@0:   nsCOMArray <nsIFile> files;
michael@0:   nsresult rv;
michael@0: 
michael@0:   // if we get into the base class, the platform
michael@0:   // doesn't implement GetFiles() yet.
michael@0:   // so we fake it.
michael@0:   nsCOMPtr <nsIFile> file;
michael@0:   rv = GetFile(getter_AddRefs(file));
michael@0:   NS_ENSURE_SUCCESS(rv,rv);
michael@0: 
michael@0:   files.AppendObject(file);
michael@0: 
michael@0:   return NS_NewArrayEnumerator(aFiles, files);
michael@0: }
michael@0: 
michael@0: // Set the display directory
michael@0: NS_IMETHODIMP nsBaseFilePicker::SetDisplayDirectory(nsIFile *aDirectory)
michael@0: {
michael@0:   if (!aDirectory) {
michael@0:     mDisplayDirectory = nullptr;
michael@0:     return NS_OK;
michael@0:   }
michael@0:   nsCOMPtr<nsIFile> directory;
michael@0:   nsresult rv = aDirectory->Clone(getter_AddRefs(directory));
michael@0:   if (NS_FAILED(rv))
michael@0:     return rv;
michael@0:   mDisplayDirectory = do_QueryInterface(directory, &rv);
michael@0:   return rv;
michael@0: }
michael@0: 
michael@0: // Get the display directory
michael@0: NS_IMETHODIMP nsBaseFilePicker::GetDisplayDirectory(nsIFile **aDirectory)
michael@0: {
michael@0:   *aDirectory = nullptr;
michael@0:   if (!mDisplayDirectory)
michael@0:     return NS_OK;
michael@0:   nsCOMPtr<nsIFile> directory;
michael@0:   nsresult rv = mDisplayDirectory->Clone(getter_AddRefs(directory));
michael@0:   if (NS_FAILED(rv)) {
michael@0:     return rv;
michael@0:   }
michael@0:   directory.forget(aDirectory);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsBaseFilePicker::GetAddToRecentDocs(bool *aFlag)
michael@0: {
michael@0:   *aFlag = mAddToRecentDocs;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsBaseFilePicker::SetAddToRecentDocs(bool aFlag)
michael@0: {
michael@0:   mAddToRecentDocs = aFlag;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsBaseFilePicker::GetMode(int16_t* aMode)
michael@0: {
michael@0:   *aMode = mMode;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsBaseFilePicker::GetDomfile(nsIDOMFile** aDomfile)
michael@0: {
michael@0:   nsCOMPtr<nsIFile> localFile;
michael@0:   nsresult rv = GetFile(getter_AddRefs(localFile));
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   if (!localFile) {
michael@0:     *aDomfile = nullptr;
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   nsRefPtr<nsDOMFileFile> domFile = new nsDOMFileFile(localFile);
michael@0:   domFile.forget(aDomfile);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsBaseFilePicker::GetDomfiles(nsISimpleEnumerator** aDomfiles)
michael@0: {
michael@0:   nsCOMPtr<nsISimpleEnumerator> iter;
michael@0:   nsresult rv = GetFiles(getter_AddRefs(iter));
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   nsRefPtr<nsBaseFilePickerEnumerator> retIter =
michael@0:     new nsBaseFilePickerEnumerator(iter);
michael@0: 
michael@0:   retIter.forget(aDomfiles);
michael@0:   return NS_OK;
michael@0: }
michael@0: