blob: 765c797a02af97ef77e4bfc85eb37bf65ba8accb [file] [log] [blame]
/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of Google Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/core/html/custom/v0_custom_element_microtask_import_step.h"
#include <stdio.h>
#include "third_party/blink/renderer/core/html/custom/v0_custom_element_microtask_dispatcher.h"
#include "third_party/blink/renderer/core/html/custom/v0_custom_element_sync_microtask_queue.h"
#include "third_party/blink/renderer/core/html/imports/html_import_child.h"
#include "third_party/blink/renderer/core/html/imports/html_import_loader.h"
namespace blink {
V0CustomElementMicrotaskImportStep::V0CustomElementMicrotaskImportStep(
HTMLImportChild* import)
: import_(import), queue_(import->Loader()->MicrotaskQueue()) {}
V0CustomElementMicrotaskImportStep::~V0CustomElementMicrotaskImportStep() =
default;
void V0CustomElementMicrotaskImportStep::Invalidate() {
queue_ = V0CustomElementSyncMicrotaskQueue::Create();
import_.Clear();
}
bool V0CustomElementMicrotaskImportStep::ShouldWaitForImport() const {
return import_ && !import_->Loader()->IsDone();
}
void V0CustomElementMicrotaskImportStep::DidUpgradeAllCustomElements() {
DCHECK(queue_);
if (import_)
import_->DidFinishUpgradingCustomElements();
}
V0CustomElementMicrotaskStep::Result
V0CustomElementMicrotaskImportStep::Process() {
queue_->Dispatch();
if (!queue_->IsEmpty() || ShouldWaitForImport())
return kProcessing;
DidUpgradeAllCustomElements();
return kFinishedProcessing;
}
void V0CustomElementMicrotaskImportStep::Trace(Visitor* visitor) {
visitor->Trace(import_);
visitor->Trace(queue_);
V0CustomElementMicrotaskStep::Trace(visitor);
}
#if !defined(NDEBUG)
void V0CustomElementMicrotaskImportStep::Show(unsigned indent) {
fprintf(stderr, "%*sImport(wait=%d sync=%d, url=%s)\n", indent, "",
ShouldWaitForImport(), import_ && import_->IsSync(),
import_ ? import_->Url().GetString().Utf8().data() : "null");
queue_->Show(indent + 1);
}
#endif
} // namespace blink