Index: components/arc/intent_helper/link_handler_model_impl.cc |
diff --git a/components/arc/intent_helper/link_handler_model_impl.cc b/components/arc/intent_helper/link_handler_model_impl.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b281915677972dce36fe77c0a960a9979a5b36ee |
--- /dev/null |
+++ b/components/arc/intent_helper/link_handler_model_impl.cc |
@@ -0,0 +1,98 @@ |
+// Copyright 2016 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 "components/arc/intent_helper/link_handler_model_impl.h" |
+ |
+#include <vector> |
+ |
+#include "base/bind.h" |
+#include "components/arc/arc_bridge_service.h" |
+#include "url/gurl.h" |
+ |
+namespace arc { |
+ |
+namespace { |
+ |
+const int kMinInstanceVersion = 2; // see intent_helper.mojom |
+ |
+} // namespace |
+ |
+LinkHandlerModelImpl::LinkHandlerModelImpl(ArcBridgeService* bridge_service) |
+ : bridge_service_(bridge_service), |
+ has_results_(false), |
+ weak_ptr_factory_(this) { |
+ DCHECK(bridge_service_); |
+} |
+ |
+LinkHandlerModelImpl::~LinkHandlerModelImpl() {} |
+ |
+bool LinkHandlerModelImpl::Init(const GURL& url) { |
+ IntentHelperInstance* intent_helper_instance = GetIntentHelper(); |
+ if (!intent_helper_instance) |
+ return false; |
+ |
+ // Check if ARC apps can handle the |url|. Since the information is held in |
+ // a different (ARC) process, issue a mojo IPC request. Usually, the |
+ // callback function, OnUrlHandlerList, is called within a few milliseconds |
+ // even on a slowest Chromebook we support. |
+ intent_helper_instance->RequestUrlHandlerList( |
+ url.spec(), base::Bind(&LinkHandlerModelImpl::OnUrlHandlerList, |
+ weak_ptr_factory_.GetWeakPtr())); |
+ return true; |
+} |
+ |
+void LinkHandlerModelImpl::AddObserver(Observer* observer) { |
+ observer_ = observer; |
+ NotifyObserver(); |
dcheng
2016/04/21 04:20:45
Btw, it seems weird that we have to call NotifyObs
Yusuke Sato
2016/04/22 05:27:48
Done, deleted.
|
+} |
+ |
+void LinkHandlerModelImpl::OpenLinkWithHandler(const GURL& url, |
+ uint32_t handler_id) { |
+ IntentHelperInstance* intent_helper_instance = GetIntentHelper(); |
+ if (!intent_helper_instance) |
+ return; |
+ if (handler_id >= handlers_.size()) |
+ return; |
+ intent_helper_instance->HandleUrl(url.spec(), |
+ handlers_[handler_id]->package_name); |
+} |
+ |
+IntentHelperInstance* LinkHandlerModelImpl::GetIntentHelper() { |
+ if (!bridge_service_) { |
+ DLOG(WARNING) << "ARC bridge is not ready."; |
+ return nullptr; |
+ } |
+ IntentHelperInstance* intent_helper_instance = |
+ bridge_service_->intent_helper_instance(); |
+ if (!intent_helper_instance) { |
+ DLOG(WARNING) << "ARC intent helper instance is not ready."; |
+ return nullptr; |
+ } |
+ if (bridge_service_->intent_helper_version() < kMinInstanceVersion) { |
+ DLOG(WARNING) << "ARC intent helper instance is too old."; |
+ return nullptr; |
+ } |
+ return intent_helper_instance; |
+} |
+ |
+void LinkHandlerModelImpl::OnUrlHandlerList( |
+ mojo::Array<UrlHandlerInfoPtr> handlers) { |
+ handlers_ = std::move(handlers); |
+ has_results_ = true; |
+ NotifyObserver(); |
+} |
+ |
+void LinkHandlerModelImpl::NotifyObserver() { |
+ if (!observer_ || !has_results_) |
+ return; |
+ std::vector<ash::LinkHandlerInfo> handlers; |
+ for (size_t i = 0; i < handlers_.size(); ++i) { |
+ // Use the handler's index as an ID. |
+ ash::LinkHandlerInfo handler = {handlers_[i]->name.get(), gfx::Image(), i}; |
+ handlers.push_back(handler); |
+ } |
+ observer_->ModelChanged(handlers); |
+} |
+ |
+} // namespace arc |