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b5a2bda7ee
This will mean that in places like the tight loop in GetTypeIndex() we would no longer require calling strlen() on the input type argument once per loop iteration. Depends on D20236 Differential Revision: https://phabricator.services.mozilla.com/D20237 --HG-- extra : moz-landing-system : lando
95 lines
3.3 KiB
C++
95 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/MIDIPermissionRequest.h"
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#include "mozilla/dom/MIDIAccessManager.h"
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#include "nsIGlobalObject.h"
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#include "mozilla/Preferences.h"
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#include "nsContentUtils.h"
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//-------------------------------------------------
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// MIDI Permission Requests
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//-------------------------------------------------
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NS_IMPL_CYCLE_COLLECTION_INHERITED(MIDIPermissionRequest,
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ContentPermissionRequestBase, mPromise)
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NS_IMPL_QUERY_INTERFACE_CYCLE_COLLECTION_INHERITED(MIDIPermissionRequest,
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ContentPermissionRequestBase,
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nsIRunnable)
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NS_IMPL_ADDREF_INHERITED(MIDIPermissionRequest, ContentPermissionRequestBase)
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NS_IMPL_RELEASE_INHERITED(MIDIPermissionRequest, ContentPermissionRequestBase)
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MIDIPermissionRequest::MIDIPermissionRequest(nsPIDOMWindowInner* aWindow,
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Promise* aPromise,
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const MIDIOptions& aOptions)
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: ContentPermissionRequestBase(
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aWindow->GetDoc()->NodePrincipal(), aWindow,
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NS_LITERAL_CSTRING(""), // We check prefs in a custom way here
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NS_LITERAL_CSTRING("midi")),
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mPromise(aPromise),
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mNeedsSysex(aOptions.mSysex) {
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MOZ_ASSERT(aWindow);
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MOZ_ASSERT(aPromise, "aPromise should not be null!");
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MOZ_ASSERT(aWindow->GetDoc());
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mPrincipal = aWindow->GetDoc()->NodePrincipal();
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MOZ_ASSERT(mPrincipal);
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}
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NS_IMETHODIMP
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MIDIPermissionRequest::GetTypes(nsIArray** aTypes) {
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NS_ENSURE_ARG_POINTER(aTypes);
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nsTArray<nsString> options;
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if (mNeedsSysex) {
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options.AppendElement(NS_LITERAL_STRING("sysex"));
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}
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return nsContentPermissionUtils::CreatePermissionArray(mType, options,
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aTypes);
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}
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NS_IMETHODIMP
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MIDIPermissionRequest::Cancel() {
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mPromise->MaybeReject(NS_ERROR_DOM_SECURITY_ERR);
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return NS_OK;
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}
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NS_IMETHODIMP
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MIDIPermissionRequest::Allow(JS::HandleValue aChoices) {
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MOZ_ASSERT(aChoices.isUndefined());
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MIDIAccessManager* mgr = MIDIAccessManager::Get();
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mgr->CreateMIDIAccess(mWindow, mNeedsSysex, mPromise);
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return NS_OK;
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}
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NS_IMETHODIMP
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MIDIPermissionRequest::Run() {
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// If the testing flag is true, skip dialog
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if (Preferences::GetBool("midi.prompt.testing", false)) {
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bool allow =
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Preferences::GetBool("media.navigator.permission.disabled", false);
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if (allow) {
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Allow(JS::UndefinedHandleValue);
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} else {
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Cancel();
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}
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return NS_OK;
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}
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// If we already have sysex perms, allow.
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if (nsContentUtils::IsExactSitePermAllow(mPrincipal,
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NS_LITERAL_CSTRING("midi-sysex"))) {
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Allow(JS::UndefinedHandleValue);
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return NS_OK;
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}
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// If we have no perms, or only have midi and are asking for sysex, pop dialog
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if (NS_FAILED(nsContentPermissionUtils::AskPermission(this, mWindow))) {
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Cancel();
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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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