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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/content_capture/content_capture_manager.h"
#include "third_party/blink/renderer/core/content_capture/sent_nodes.h"
#include "third_party/blink/renderer/core/dom/dom_node_ids.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/layout/layout_text.h"
namespace blink {
ContentCaptureManager::ContentCaptureManager(LocalFrame& local_frame_root)
: local_frame_root_(&local_frame_root) {
DCHECK(local_frame_root.IsLocalRoot());
sent_nodes_ = MakeGarbageCollected<SentNodes>();
task_session_ = MakeGarbageCollected<TaskSession>(*sent_nodes_);
}
ContentCaptureManager::~ContentCaptureManager() = default;
DOMNodeId ContentCaptureManager::GetNodeId(Node& node) {
if (first_node_holder_created_) {
ScheduleTask(ContentCaptureTask::ScheduleReason::kContentChange);
} else {
ScheduleTask(ContentCaptureTask::ScheduleReason::kFirstContentChange);
first_node_holder_created_ = true;
}
return DOMNodeIds::IdForNode(&node);
}
void ContentCaptureManager::ScheduleTask(
ContentCaptureTask::ScheduleReason reason) {
if (!content_capture_idle_task_.get()) {
content_capture_idle_task_ = CreateContentCaptureTask();
}
content_capture_idle_task_->Schedule(reason);
}
scoped_refptr<ContentCaptureTask>
ContentCaptureManager::CreateContentCaptureTask() {
return base::MakeRefCounted<ContentCaptureTask>(*local_frame_root_,
*task_session_);
}
void ContentCaptureManager::NotifyNodeDetached(const Node& node) {
task_session_->OnNodeDetached(node);
}
void ContentCaptureManager::OnLayoutTextWillBeDestroyed(const Node& node) {
NotifyNodeDetached(node);
ScheduleTask(ContentCaptureTask::ScheduleReason::kContentChange);
}
void ContentCaptureManager::OnScrollPositionChanged() {
ScheduleTask(ContentCaptureTask::ScheduleReason::kScrolling);
}
void ContentCaptureManager::OnNodeTextChanged(Node& node) {
task_session_->OnNodeChanged(node);
ScheduleTask(ContentCaptureTask::ScheduleReason::kContentChange);
}
void ContentCaptureManager::Trace(Visitor* visitor) {
visitor->Trace(local_frame_root_);
visitor->Trace(task_session_);
visitor->Trace(sent_nodes_);
}
void ContentCaptureManager::Shutdown() {
if (content_capture_idle_task_) {
content_capture_idle_task_->Shutdown();
content_capture_idle_task_.reset();
}
}
} // namespace blink
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