Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(387)

Unified Diff: chrome/browser/chromeos/app_mode/kiosk_app_icon_loader.cc

Issue 2778053002: Fetch ARC Kiosk app name and icon from Android side. (Closed)
Patch Set: xiyuan@ comments Created 3 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: chrome/browser/chromeos/app_mode/kiosk_app_icon_loader.cc
diff --git a/chrome/browser/chromeos/app_mode/kiosk_app_icon_loader.cc b/chrome/browser/chromeos/app_mode/kiosk_app_icon_loader.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c486a467fc7315dae29ed3573a02d333fd86dcf9
--- /dev/null
+++ b/chrome/browser/chromeos/app_mode/kiosk_app_icon_loader.cc
@@ -0,0 +1,95 @@
+// Copyright 2017 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 "chrome/browser/chromeos/app_mode/kiosk_app_icon_loader.h"
+
+#include <vector>
+
+#include "base/bind.h"
+#include "base/files/file_path.h"
+#include "base/files/file_util.h"
+#include "base/threading/sequenced_worker_pool.h"
+#include "chrome/browser/image_decoder.h"
+#include "content/public/browser/browser_thread.h"
+
+using content::BrowserThread;
+
+namespace chromeos {
+
+class KioskAppIconLoader::IconImageRequest : public ImageDecoder::ImageRequest {
+ public:
+ IconImageRequest(const scoped_refptr<base::SequencedTaskRunner>& task_runner,
+ KioskAppIconLoader* icon_loader)
+ : ImageRequest(task_runner), icon_loader_(icon_loader) {}
+
+ void OnImageDecoded(const SkBitmap& decoded_image) override {
+ icon_loader_->icon_ = gfx::ImageSkia::CreateFrom1xBitmap(decoded_image);
+ icon_loader_->icon_.MakeThreadSafe();
+ icon_loader_->ReportResultOnBlockingPool(SUCCESS);
+ delete this;
+ }
+
+ void OnDecodeImageFailed() override {
+ icon_loader_->ReportResultOnBlockingPool(FAILED_TO_DECODE);
+ delete this;
+ }
+
+ private:
+ ~IconImageRequest() override = default;
+ KioskAppIconLoader* const icon_loader_;
+};
+
+KioskAppIconLoader::KioskAppIconLoader(Delegate* delegate)
+ : delegate_(delegate), weak_factory_(this) {}
+
+KioskAppIconLoader::~KioskAppIconLoader() = default;
+
+void KioskAppIconLoader::Start(const base::FilePath& icon_path) {
+ base::SequencedWorkerPool* pool = BrowserThread::GetBlockingPool();
+ base::SequencedWorkerPool::SequenceToken token = pool->GetSequenceToken();
+ task_runner_ = pool->GetSequencedTaskRunnerWithShutdownBehavior(
+ token, base::SequencedWorkerPool::SKIP_ON_SHUTDOWN);
+ task_runner_->PostTask(FROM_HERE,
Luis Héctor Chávez 2017/04/03 22:58:55 Sorry, should have been a bit clearer here. There'
Sergey Poromov 2017/04/06 10:29:58 Done. Please check that I did it right. Also, I ca
+ base::Bind(&KioskAppIconLoader::LoadOnBlockingPool,
+ weak_factory_.GetWeakPtr(), icon_path));
+}
+
+void KioskAppIconLoader::LoadOnBlockingPool(const base::FilePath& icon_path) {
+ DCHECK(task_runner_->RunsTasksOnCurrentThread());
+
+ std::string data;
+ if (!base::ReadFileToString(base::FilePath(icon_path), &data)) {
+ ReportResultOnBlockingPool(FAILED_TO_LOAD);
+ return;
+ }
+
+ // IconImageRequest will delete itself on completion of ImageDecoder callback.
+ IconImageRequest* image_request = new IconImageRequest(task_runner_, this);
+ ImageDecoder::Start(image_request,
+ std::vector<uint8_t>(data.begin(), data.end()));
+}
+
+void KioskAppIconLoader::ReportResultOnBlockingPool(LoadResult result) {
+ DCHECK(task_runner_->RunsTasksOnCurrentThread());
+
+ BrowserThread::PostTask(
+ BrowserThread::UI, FROM_HERE,
+ base::Bind(&KioskAppIconLoader::ReportResultOnUIThread,
+ weak_factory_.GetWeakPtr(), result));
+}
+
+void KioskAppIconLoader::NotifyDelegate(LoadResult result) {
+ if (result == SUCCESS)
+ delegate_->OnIconLoadSuccess(icon_);
+ else
+ delegate_->OnIconLoadFailure();
+}
+
+void KioskAppIconLoader::ReportResultOnUIThread(LoadResult result) {
+ DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+ NotifyDelegate(result);
+}
+
+} // namespace chromeos

Powered by Google App Engine
This is Rietveld 408576698