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| 1 // Copyright 2017 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 "chrome/browser/chromeos/app_mode/kiosk_app_icon_loader.h" | |
| 6 | |
| 7 #include <vector> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/files/file_path.h" | |
| 11 #include "base/files/file_util.h" | |
| 12 #include "base/threading/sequenced_worker_pool.h" | |
| 13 #include "chrome/browser/image_decoder.h" | |
| 14 #include "content/public/browser/browser_thread.h" | |
| 15 | |
| 16 using content::BrowserThread; | |
| 17 | |
| 18 namespace chromeos { | |
| 19 | |
| 20 class IconImageRequest : public ImageDecoder::ImageRequest { | |
| 21 public: | |
| 22 IconImageRequest(const scoped_refptr<base::SequencedTaskRunner>& task_runner, | |
| 23 KioskAppIconLoader::ResultCallback result_callback) | |
| 24 : ImageRequest(task_runner), result_callback_(result_callback) {} | |
| 25 | |
| 26 void OnImageDecoded(const SkBitmap& decoded_image) override { | |
| 27 gfx::ImageSkia image = gfx::ImageSkia::CreateFrom1xBitmap(decoded_image); | |
| 28 image.MakeThreadSafe(); | |
| 29 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | |
| 30 base::Bind(result_callback_, image)); | |
| 31 delete this; | |
| 32 } | |
| 33 | |
| 34 void OnDecodeImageFailed() override { | |
| 35 LOG(ERROR) << "Failed to decode icon image."; | |
| 36 BrowserThread::PostTask( | |
| 37 BrowserThread::UI, FROM_HERE, | |
| 38 base::Bind(result_callback_, base::Optional<gfx::ImageSkia>())); | |
| 39 delete this; | |
| 40 } | |
| 41 | |
| 42 private: | |
| 43 ~IconImageRequest() override = default; | |
| 44 KioskAppIconLoader::ResultCallback result_callback_; | |
| 45 }; | |
| 46 | |
| 47 void LoadOnBlockingPool( | |
| 48 const base::FilePath& icon_path, | |
| 49 scoped_refptr<base::SequencedTaskRunner> callback_task_runner, | |
| 50 KioskAppIconLoader::ResultCallback result_callback) { | |
| 51 DCHECK(callback_task_runner->RunsTasksOnCurrentThread()); | |
| 52 | |
| 53 std::string data; | |
| 54 if (!base::ReadFileToString(base::FilePath(icon_path), &data)) { | |
| 55 LOG(ERROR) << "Failed to read icon file."; | |
| 56 BrowserThread::PostTask( | |
| 57 BrowserThread::UI, FROM_HERE, | |
| 58 base::Bind(result_callback, base::Optional<gfx::ImageSkia>())); | |
| 59 return; | |
| 60 } | |
| 61 | |
| 62 // IconImageRequest will delete itself on completion of ImageDecoder callback. | |
| 63 IconImageRequest* image_request = | |
| 64 new IconImageRequest(callback_task_runner, result_callback); | |
| 65 ImageDecoder::Start(image_request, | |
| 66 std::vector<uint8_t>(data.begin(), data.end())); | |
| 67 } | |
| 68 | |
| 69 KioskAppIconLoader::KioskAppIconLoader(Delegate* delegate) | |
| 70 : delegate_(delegate), weak_factory_(this) {} | |
| 71 | |
| 72 KioskAppIconLoader::~KioskAppIconLoader() = default; | |
| 73 | |
| 74 void KioskAppIconLoader::Start(const base::FilePath& icon_path) { | |
| 75 base::SequencedWorkerPool* pool = BrowserThread::GetBlockingPool(); | |
| 76 base::SequencedWorkerPool::SequenceToken token = pool->GetSequenceToken(); | |
| 77 task_runner_ = pool->GetSequencedTaskRunnerWithShutdownBehavior( | |
| 78 token, base::SequencedWorkerPool::SKIP_ON_SHUTDOWN); | |
| 79 task_runner_->PostTask( | |
| 80 FROM_HERE, | |
| 81 base::Bind(&LoadOnBlockingPool, icon_path, task_runner_, | |
| 82 base::Bind(&KioskAppIconLoader::OnImageDecodingFinished, | |
| 83 weak_factory_.GetWeakPtr()))); | |
| 84 } | |
| 85 | |
| 86 void KioskAppIconLoader::OnImageDecodingFinished( | |
| 87 base::Optional<gfx::ImageSkia> result) { | |
| 88 DCHECK_CURRENTLY_ON(BrowserThread::UI); | |
| 89 | |
| 90 if (result.has_value()) { | |
| 91 delegate_->OnIconLoadSuccess(result.value()); | |
| 92 } else { | |
| 93 delegate_->OnIconLoadFailure(); | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 } // namespace chromeos | |
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Chromium Code Reviews
Issue 2810973004:
Revert of Fetch ARC Kiosk app name and icon from Android side. (Closed)
