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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.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CONTENT_CAPTURE_CONTENT_CAPTURE_MANAGER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CONTENT_CAPTURE_CONTENT_CAPTURE_MANAGER_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/core/content_capture/content_capture_task.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/graphics/dom_node_id.h"
namespace blink {
class LocalFrame;
class Node;
class SentNodes;
// This class is used to create the NodeHolder, and start the ContentCaptureTask
// when necessary. The ContentCaptureManager is owned by main frame.
class CORE_EXPORT ContentCaptureManager
: public GarbageCollected<ContentCaptureManager> {
public:
explicit ContentCaptureManager(LocalFrame& local_frame_root);
virtual ~ContentCaptureManager();
// Schedules ContentCaptureTask if it isn't already scheduled.
void ScheduleTaskIfNeeded();
// Invokes when the |node_holder| asscociated LayoutText will be destroyed.
void OnLayoutTextWillBeDestroyed(const Node& node);
// Invokes when scroll position was changed.
void OnScrollPositionChanged();
// Invokes when text node content was changed.
void OnNodeTextChanged(Node& node);
// Invokes when the local_frame_root shutdown.
void Shutdown();
virtual void Trace(Visitor*);
ContentCaptureTask* GetContentCaptureTaskForTesting() const {
return content_capture_idle_task_;
}
protected:
virtual ContentCaptureTask* CreateContentCaptureTask();
TaskSession& GetTaskSessionForTesting() const { return *task_session_; }
private:
void NotifyNodeDetached(const Node& node);
void ScheduleTask(ContentCaptureTask::ScheduleReason reason);
Member<ContentCaptureTask> content_capture_idle_task_;
Member<LocalFrame> local_frame_root_;
// Indicates if the first NodeHolder is created.
bool first_node_holder_created_ = false;
Member<TaskSession> task_session_;
// A set of weak reference of the node that has been sent.
Member<SentNodes> sent_nodes_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_CONTENT_CAPTURE_CONTENT_CAPTURE_MANAGER_H_
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