components/previews/previews_io_data.cc - Issue 2333003002: Changed previews component to be a layered component.

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Side by Side Diff: components/previews/previews_io_data.cc

Issue 2333003002: Changed previews component to be a layered component. (Closed)

Patch Set: Rebased on master Created 4 years, 3 months ago

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1 // Copyright 2016 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "components/previews/previews_io_data.h"

6

7 #include "base/bind.h"

8 #include "base/location.h"

9 #include "components/previews/previews_ui_service.h"

10

11 namespace previews {

12

13 PreviewsIOData::PreviewsIOData(

14 const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner,

15 const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner)

16 : ui_task_runner_(ui_task_runner),

17 io_task_runner_(io_task_runner),

18 weak_factory_(this) {}

19

20 PreviewsIOData::~PreviewsIOData() {}

21

22 void PreviewsIOData::Initialize(

23 base::WeakPtr<PreviewsUIService> previews_ui_service) {

24 DCHECK(ui_task_runner_->BelongsToCurrentThread());

25 previews_ui_service_ = previews_ui_service;

26

27 // Set up the IO thread portion of \|this\|.

28 io_task_runner_->PostTask(FROM_HERE,

29 base::Bind(&PreviewsIOData::InitializeOnIOThread,

30 base::Unretained(this)));

31 }

32

33 void PreviewsIOData::InitializeOnIOThread() {

34 DCHECK(io_task_runner_->BelongsToCurrentThread());

35 ui_task_runner_->PostTask(

36 FROM_HERE, base::Bind(&PreviewsUIService::SetIOData, previews_ui_service_,

37 weak_factory_.GetWeakPtr()));

38 }

39

40 } // namespace previews

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