mirror of
https://github.com/mozilla/gecko-dev.git
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437 lines
11 KiB
C++
437 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsGIOService.h"
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#include "nsStringAPI.h"
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#include "nsIURI.h"
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#include "nsTArray.h"
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#include "nsIStringEnumerator.h"
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#include "nsAutoPtr.h"
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#include <gio/gio.h>
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#include <gtk/gtk.h>
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char *
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get_content_type_from_mime_type(const char *mimeType)
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{
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GList* contentTypes = g_content_types_get_registered();
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GList* ct_ptr = contentTypes;
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char* foundContentType = NULL;
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while (ct_ptr) {
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char *mimeTypeFromContentType = g_content_type_get_mime_type((char*)ct_ptr->data);
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if (strcmp(mimeTypeFromContentType, mimeType) == 0) {
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foundContentType = g_strdup((char*)ct_ptr->data);
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g_free(mimeTypeFromContentType);
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break;
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}
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g_free(mimeTypeFromContentType);
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ct_ptr = ct_ptr->next;
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}
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g_list_foreach(contentTypes, (GFunc) g_free, NULL);
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g_list_free(contentTypes);
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return foundContentType;
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}
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class nsGIOMimeApp MOZ_FINAL : public nsIGIOMimeApp
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIGIOMIMEAPP
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nsGIOMimeApp(GAppInfo* aApp) : mApp(aApp) {}
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~nsGIOMimeApp() { g_object_unref(mApp); }
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private:
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GAppInfo *mApp;
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};
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NS_IMPL_ISUPPORTS1(nsGIOMimeApp, nsIGIOMimeApp)
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NS_IMETHODIMP
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nsGIOMimeApp::GetId(nsACString& aId)
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{
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aId.Assign(g_app_info_get_id(mApp));
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGIOMimeApp::GetName(nsACString& aName)
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{
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aName.Assign(g_app_info_get_name(mApp));
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGIOMimeApp::GetCommand(nsACString& aCommand)
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{
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const char *cmd = g_app_info_get_commandline(mApp);
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if (!cmd)
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return NS_ERROR_FAILURE;
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aCommand.Assign(cmd);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGIOMimeApp::GetExpectsURIs(int32_t* aExpects)
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{
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*aExpects = g_app_info_supports_uris(mApp);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGIOMimeApp::Launch(const nsACString& aUri)
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{
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GList uris = { 0 };
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PromiseFlatCString flatUri(aUri);
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uris.data = const_cast<char*>(flatUri.get());
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GError *error = NULL;
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gboolean result = g_app_info_launch_uris(mApp, &uris, NULL, &error);
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if (!result) {
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g_warning("Cannot launch application: %s", error->message);
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g_error_free(error);
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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class GIOUTF8StringEnumerator MOZ_FINAL : public nsIUTF8StringEnumerator
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{
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public:
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GIOUTF8StringEnumerator() : mIndex(0) { }
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~GIOUTF8StringEnumerator() { }
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NS_DECL_ISUPPORTS
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NS_DECL_NSIUTF8STRINGENUMERATOR
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nsTArray<nsCString> mStrings;
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uint32_t mIndex;
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};
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NS_IMPL_ISUPPORTS1(GIOUTF8StringEnumerator, nsIUTF8StringEnumerator)
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NS_IMETHODIMP
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GIOUTF8StringEnumerator::HasMore(bool* aResult)
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{
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*aResult = mIndex < mStrings.Length();
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return NS_OK;
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}
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NS_IMETHODIMP
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GIOUTF8StringEnumerator::GetNext(nsACString& aResult)
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{
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if (mIndex >= mStrings.Length())
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return NS_ERROR_UNEXPECTED;
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aResult.Assign(mStrings[mIndex]);
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++mIndex;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGIOMimeApp::GetSupportedURISchemes(nsIUTF8StringEnumerator** aSchemes)
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{
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*aSchemes = nullptr;
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nsRefPtr<GIOUTF8StringEnumerator> array = new GIOUTF8StringEnumerator();
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NS_ENSURE_TRUE(array, NS_ERROR_OUT_OF_MEMORY);
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GVfs *gvfs = g_vfs_get_default();
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if (!gvfs) {
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g_warning("Cannot get GVfs object.");
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return NS_ERROR_OUT_OF_MEMORY;
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}
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const gchar* const * uri_schemes = g_vfs_get_supported_uri_schemes(gvfs);
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while (*uri_schemes != NULL) {
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if (!array->mStrings.AppendElement(*uri_schemes)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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uri_schemes++;
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}
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NS_ADDREF(*aSchemes = array);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGIOMimeApp::SetAsDefaultForMimeType(nsACString const& aMimeType)
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{
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char *content_type =
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get_content_type_from_mime_type(PromiseFlatCString(aMimeType).get());
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if (!content_type)
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return NS_ERROR_FAILURE;
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GError *error = NULL;
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g_app_info_set_as_default_for_type(mApp,
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content_type,
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&error);
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if (error) {
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g_warning("Cannot set application as default for MIME type (%s): %s",
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PromiseFlatCString(aMimeType).get(),
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error->message);
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g_error_free(error);
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g_free(content_type);
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return NS_ERROR_FAILURE;
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}
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g_free(content_type);
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return NS_OK;
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}
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/**
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* Set default application for files with given extensions
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* @param fileExts string of space separated extensions
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* @return NS_OK when application was set as default for given extensions,
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* NS_ERROR_FAILURE otherwise
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*/
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NS_IMETHODIMP
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nsGIOMimeApp::SetAsDefaultForFileExtensions(nsACString const& fileExts)
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{
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GError *error = NULL;
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char *extensions = g_strdup(PromiseFlatCString(fileExts).get());
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char *ext_pos = extensions;
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char *space_pos;
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while ( (space_pos = strchr(ext_pos, ' ')) || (*ext_pos != '\0') ) {
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if (space_pos) {
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*space_pos = '\0';
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}
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g_app_info_set_as_default_for_extension(mApp, ext_pos, &error);
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if (error) {
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g_warning("Cannot set application as default for extension (%s): %s",
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ext_pos,
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error->message);
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g_error_free(error);
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g_free(extensions);
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return NS_ERROR_FAILURE;
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}
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if (space_pos) {
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ext_pos = space_pos + 1;
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} else {
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*ext_pos = '\0';
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}
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}
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g_free(extensions);
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return NS_OK;
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}
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/**
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* Set default application for URI's of a particular scheme
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* @param aURIScheme string containing the URI scheme
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* @return NS_OK when application was set as default for URI scheme,
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* NS_ERROR_FAILURE otherwise
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*/
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NS_IMETHODIMP
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nsGIOMimeApp::SetAsDefaultForURIScheme(nsACString const& aURIScheme)
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{
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GError *error = NULL;
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nsAutoCString contentType("x-scheme-handler/");
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contentType.Append(aURIScheme);
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g_app_info_set_as_default_for_type(mApp,
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contentType.get(),
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&error);
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if (error) {
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g_warning("Cannot set application as default for URI scheme (%s): %s",
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PromiseFlatCString(aURIScheme).get(),
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error->message);
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g_error_free(error);
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMPL_ISUPPORTS1(nsGIOService, nsIGIOService)
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NS_IMETHODIMP
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nsGIOService::GetMimeTypeFromExtension(const nsACString& aExtension,
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nsACString& aMimeType)
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{
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nsAutoCString fileExtToUse("file.");
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fileExtToUse.Append(aExtension);
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gboolean result_uncertain;
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char *content_type = g_content_type_guess(fileExtToUse.get(),
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NULL,
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0,
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&result_uncertain);
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if (!content_type)
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return NS_ERROR_FAILURE;
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char *mime_type = g_content_type_get_mime_type(content_type);
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if (!mime_type) {
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g_free(content_type);
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return NS_ERROR_FAILURE;
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}
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aMimeType.Assign(mime_type);
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g_free(mime_type);
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g_free(content_type);
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return NS_OK;
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}
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// used in nsGNOMERegistry
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// -----------------------------------------------------------------------------
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NS_IMETHODIMP
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nsGIOService::GetAppForURIScheme(const nsACString& aURIScheme,
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nsIGIOMimeApp** aApp)
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{
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*aApp = nullptr;
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GAppInfo *app_info = g_app_info_get_default_for_uri_scheme(
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PromiseFlatCString(aURIScheme).get());
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if (app_info) {
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nsGIOMimeApp *mozApp = new nsGIOMimeApp(app_info);
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NS_ADDREF(*aApp = mozApp);
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} else {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGIOService::GetAppForMimeType(const nsACString& aMimeType,
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nsIGIOMimeApp** aApp)
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{
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*aApp = nullptr;
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char *content_type =
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get_content_type_from_mime_type(PromiseFlatCString(aMimeType).get());
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if (!content_type)
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return NS_ERROR_FAILURE;
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GAppInfo *app_info = g_app_info_get_default_for_type(content_type, false);
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if (app_info) {
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nsGIOMimeApp *mozApp = new nsGIOMimeApp(app_info);
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NS_ENSURE_TRUE(mozApp, NS_ERROR_OUT_OF_MEMORY);
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NS_ADDREF(*aApp = mozApp);
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} else {
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g_free(content_type);
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return NS_ERROR_FAILURE;
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}
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g_free(content_type);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGIOService::GetDescriptionForMimeType(const nsACString& aMimeType,
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nsACString& aDescription)
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{
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char *content_type =
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get_content_type_from_mime_type(PromiseFlatCString(aMimeType).get());
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if (!content_type)
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return NS_ERROR_FAILURE;
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char *desc = g_content_type_get_description(content_type);
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if (!desc) {
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g_free(content_type);
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return NS_ERROR_FAILURE;
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}
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aDescription.Assign(desc);
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g_free(content_type);
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g_free(desc);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGIOService::ShowURI(nsIURI* aURI)
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{
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nsAutoCString spec;
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aURI->GetSpec(spec);
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GError *error = NULL;
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if (!g_app_info_launch_default_for_uri(spec.get(), NULL, &error)) {
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g_warning("Could not launch default application for URI: %s" ,error->message);
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g_error_free(error);
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGIOService::ShowURIForInput(const nsACString& aUri)
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{
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GFile *file = g_file_new_for_commandline_arg(PromiseFlatCString(aUri).get());
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char* spec = g_file_get_uri(file);
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nsresult rv = NS_ERROR_FAILURE;
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GError *error = NULL;
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g_app_info_launch_default_for_uri(spec, NULL, &error);
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if (error) {
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g_warning("Cannot launch default application: %s", error->message);
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g_error_free(error);
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} else {
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rv = NS_OK;
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}
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g_object_unref(file);
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g_free(spec);
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return rv;
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}
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/**
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* Create or find already existing application info for specified command
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* and application name.
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* @param cmd command to execute
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* @param appName application name
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* @param appInfo location where created GAppInfo is stored
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* @return NS_OK when object is created, NS_ERROR_FAILURE otherwise.
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*/
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NS_IMETHODIMP
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nsGIOService::CreateAppFromCommand(nsACString const& cmd,
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nsACString const& appName,
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nsIGIOMimeApp** appInfo)
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{
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GError *error = NULL;
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*appInfo = nullptr;
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GAppInfo *app_info = NULL, *app_info_from_list = NULL;
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GList *apps = g_app_info_get_all();
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GList *apps_p = apps;
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// Try to find relevant and existing GAppInfo in all installed application
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// We do this by comparing each GAppInfo's executable with out own
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while (apps_p) {
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app_info_from_list = (GAppInfo*) apps_p->data;
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if (!app_info) {
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// If the executable is not absolute, get it's full path
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char *executable = g_find_program_in_path(g_app_info_get_executable(app_info_from_list));
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if (executable && strcmp(executable, PromiseFlatCString(cmd).get()) == 0) {
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g_object_ref (app_info_from_list);
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app_info = app_info_from_list;
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}
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g_free(executable);
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}
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g_object_unref(app_info_from_list);
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apps_p = apps_p->next;
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}
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g_list_free(apps);
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if (!app_info) {
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app_info = g_app_info_create_from_commandline(PromiseFlatCString(cmd).get(),
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PromiseFlatCString(appName).get(),
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G_APP_INFO_CREATE_SUPPORTS_URIS,
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&error);
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}
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if (!app_info) {
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g_warning("Cannot create application info from command: %s", error->message);
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g_error_free(error);
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return NS_ERROR_FAILURE;
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}
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nsGIOMimeApp *mozApp = new nsGIOMimeApp(app_info);
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NS_ENSURE_TRUE(mozApp, NS_ERROR_OUT_OF_MEMORY);
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NS_ADDREF(*appInfo = mozApp);
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return NS_OK;
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}
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