Implement chrome-side intent filtering.

components/arc/intent_helper/local_activity_resolver.cc

 // 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/local_activity_resolver.h"
 
 #include "url/gurl.h"
 
-namespace {
-
-constexpr char kIntentActionView[] = "android.intent.action.VIEW";
-constexpr char kIntentCategoryBrowsable[] = "android.intent.category.BROWSABLE";
-constexpr char kSchemeHttp[] = "http";
-constexpr char kSchemeHttps[] = "https";
-
-}  // namespace
-
 namespace arc {
 
 LocalActivityResolver::LocalActivityResolver() = default;
 
 LocalActivityResolver::~LocalActivityResolver() = default;
 
 bool LocalActivityResolver::ShouldChromeHandleUrl(const GURL& url) {
   if (!url.SchemeIsHTTPOrHTTPS()) {
     // Chrome will handle everything that is not http and https.
     return true;
   }
 
-  for (const mojom::IntentFilterPtr& filter : intent_filters_) {
-    if (IsRelevantIntentFilter(filter)) {
-      // For now err on the side of caution and let Android
-      // handle cases where there are possible matching intent
-      // filters.
+  for (const IntentFilter& filter: intent_filters_) {
+    if (filter.match(url)) {
       return false;
     }
   }
 
   // Didn't find any matches for Android so let Chrome handle it.
   return true;
 }
 
 void LocalActivityResolver::UpdateIntentFilters(
-    mojo::Array<mojom::IntentFilterPtr> intent_filters) {
-  intent_filters_ = std::move(intent_filters);
-}
-
-bool LocalActivityResolver::IsRelevantIntentFilter(
-    const mojom::IntentFilterPtr& intent_filter) {
-  return FilterHasViewAction(intent_filter) &&
-         FilterCategoryIsBrowsable(intent_filter) &&
-         FilterHandlesWebSchemes(intent_filter);
-}
-
-bool LocalActivityResolver::FilterHasViewAction(
-    const mojom::IntentFilterPtr& intent_filter) {
-  for (const mojo::String& action : intent_filter->actions) {
-    if (action == kIntentActionView) {
-      return true;
-    }
+    mojo::Array<mojom::IntentFilterPtr> mojo_intent_filters) {
+  intent_filters_.clear();
+  for (mojom::IntentFilterPtr& mojo_filter : mojo_intent_filters) {
+    intent_filters_.push_back(IntentFilter(mojo_filter));

[Yusuke Sato, 2016/07/12 10:52:58]

nit: you could use .emplace_back(mojo_filter); probably.

[Ben Kwa, 2016/07/12 16:05:23]

Done.

   }
-
-  return false;
-}
-
-bool LocalActivityResolver::FilterCategoryIsBrowsable(
-    const mojom::IntentFilterPtr& intent_filter) {
-  for (const mojo::String& category : intent_filter->categories) {
-    if (category == kIntentCategoryBrowsable) {
-      return true;
-    }
-  }
-
-  return false;
-}
-
-bool LocalActivityResolver::FilterHandlesWebSchemes(
-    const mojom::IntentFilterPtr& intent_filter) {
-  for (const mojo::String& scheme : intent_filter->data_schemes) {
-    if (scheme == kSchemeHttp || scheme == kSchemeHttps) {
-      return true;
-    }
-  }
-
-  return false;
 }
 
 }  // namespace arc