Delete most web intents code.

chrome/browser/intents/web_intents_registry.cc

Index: chrome/browser/intents/web_intents_registry.cc
diff --git a/chrome/browser/intents/web_intents_registry.cc b/chrome/browser/intents/web_intents_registry.cc
deleted file mode 100644
index f2663b5713da78848af29778b71ab64e8c5544f1..0000000000000000000000000000000000000000
--- a/chrome/browser/intents/web_intents_registry.cc
+++ /dev/null
@@ -1,528 +0,0 @@
-// Copyright (c) 2012 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/intents/web_intents_registry.h"
-
-#include <algorithm>
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/callback.h"
-#include "base/string_util.h"
-#include "base/string16.h"
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/intents/default_web_intent_service.h"
-#include "chrome/browser/intents/native_services.h"
-#include "chrome/browser/intents/web_intents_util.h"
-#include "chrome/browser/webdata/web_data_service.h"
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/extension_set.h"
-#include "chrome/common/extensions/web_intents_handler.h"
-#include "googleurl/src/gurl.h"
-#include "net/base/mime_util.h"
-
-using extensions::Extension;
-using net::IsMimeType;
-
-namespace {
-
-// TODO(hshi): Temporary workaround for http://crbug.com/134197.
-// If no user-set default service is found, use built-in QuickOffice Viewer as
-// default for MS office files. Remove this once full defaults is in place.
-const char* kQuickOfficeViewerMimeType[] = {
-  "application/msword",
-  "application/vnd.ms-powerpoint",
-  "application/vnd.ms-excel",
-  "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-  "application/vnd.openxmlformats-officedocument.presentationml.presentation",
-  "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
-};
-
-typedef base::Callback<void(const WDTypedResult* result)> ResultsHandler;
-typedef WebIntentsRegistry::IntentServiceList IntentServiceList;
-
-// Compares two web intents type specifiers to see if there is a match.
-// First checks if both are MIME types. If so, uses MatchesMimeType.
-// If not, uses exact string equality.
-bool WebIntentsTypesMatch(const string16& type1, const string16& type2) {
-  return (IsMimeType(UTF16ToUTF8(type1)) && IsMimeType(UTF16ToUTF8(type2)))
-      ? web_intents::MimeTypesMatch(type1, type2)
-      : type1 == type2;
-}
-
-// Adds any intent services of |extension| that match |action| to
-// |matching_services|.
-void AddMatchingServicesForExtension(const Extension& extension,
-                                     const string16& action,
-                                     IntentServiceList* matching_services) {
-  const IntentServiceList& services =
-      extensions::WebIntentsInfo::GetIntentsServices(&extension);
-  for (IntentServiceList::const_iterator i = services.begin();
-       i != services.end(); ++i) {
-    if (action.empty() || action == i->action)
-      matching_services->push_back(*i);
-  }
-}
-
-// Removes all services from |matching_services| that do not match |type|.
-// Wildcards are supported, of the form '<type>/*' or '*'.
-void FilterServicesByType(const string16& type,
-                          IntentServiceList* matching_services) {
-  // Filter out all services not matching the query type.
-  IntentServiceList::iterator iter(matching_services->begin());
-  while (iter != matching_services->end()) {
-    if (WebIntentsTypesMatch(iter->type, type))
-      ++iter;
-    else
-      iter = matching_services->erase(iter);
-  }
-}
-
-// Callback for existence checks. Converts a callback for a list of services
-// into a callback that returns true if the list contains a specific service.
-void ExistenceCallback(const webkit_glue::WebIntentServiceData& service,
-                       const base::Callback<void(bool)>& callback,
-                       const WDTypedResult* result) {
-
-  WebIntentsRegistry::IntentServiceList list = static_cast<
-      const WDResult<IntentServiceList>*>(result)->GetValue();
-
-  for (WebIntentsRegistry::IntentServiceList::const_iterator i = list.begin();
-       i != list.end(); ++i) {
-    if (*i == service) {
-      callback.Run(true);
-      return;
-    }
-  }
-
-  callback.Run(false);
-}
-
-// Functor object for intent ordering.
-struct IntentOrdering {
-  // Implements StrictWeakOrdering for intents, based on intent-equivalence.
-  // Order by |service_url|, |action|, |title|, and |disposition| in order.
-  bool operator()(const webkit_glue::WebIntentServiceData& lhs,
-                  const webkit_glue::WebIntentServiceData& rhs) {
-    if (lhs.service_url != rhs.service_url)
-      return lhs.service_url < rhs.service_url;
-
-    if (lhs.action != rhs.action)
-      return lhs.action < rhs.action;
-
-    if (lhs.title != rhs.title)
-      return lhs.title < rhs.title;
-
-    if (lhs.disposition != rhs.disposition)
-      return lhs.disposition < rhs.disposition;
-
-    // At this point, we consider intents to be equal, even if |type| differs.
-    return false;
-  }
-};
-
-// Two intents are equivalent iff all fields except |type| are equal.
-bool IntentsAreEquivalent(const webkit_glue::WebIntentServiceData& lhs,
-                          const webkit_glue::WebIntentServiceData& rhs) {
-  return !((lhs.service_url != rhs.service_url) ||
-      (lhs.action != rhs.action) ||
-      (lhs.title != rhs.title) ||
-      (lhs.disposition != rhs.disposition));
-}
-
-}  // namespace
-
-using webkit_glue::WebIntentServiceData;
-
-// Internal object containing arguments to be used in post processing
-// WDS results.
-struct WebIntentsRegistry::QueryParams {
-
-  // The particular action to filter for while searching through extensions.
-  // If |action_| is empty, return all extension-provided services.
-  string16 action_;
-
-  // The MIME type that was requested for this service query.
-  // Suppports wild cards.
-  string16 type_;
-
-  // The url of the invoking page.
-  GURL url_;
-
-  // Create a new QueryParams for all intent services or for existence checks.
-  QueryParams() : type_(ASCIIToUTF16("*")) {}
-
-  QueryParams(const string16& action, const string16& type)
-      : action_(action), type_(type) {}
-
-  // Create a new QueryParams for default services.
-  QueryParams(const string16& action, const string16& type, const GURL& url)
-      : action_(action), type_(type), url_(url) {}
-};
-
-// Internal object adapting the WDS consumer interface to base::Bind
-// callback way of doing business.
-class WebIntentsRegistry::QueryAdapter : public WebDataServiceConsumer {
-
- public:
-  // Underlying data query.
-  WebDataService::Handle query_handle_;
-
-  // Create a new QueryAdapter that delegates results to |handler|.
-  QueryAdapter(WebIntentsRegistry* registry, const ResultsHandler& handler)
-      : registry_(registry), handler_(handler) {
-    registry_->TrackQuery(this);
-  }
-
-  virtual void OnWebDataServiceRequestDone(
-      WebDataService::Handle h,
-      const WDTypedResult* result) OVERRIDE {
-
-    handler_.Run(result);
-    registry_->ReleaseQuery(this);
-  }
-
- private:
-  // Handle so we can call back into the WebIntentsRegistry when
-  // processing query results. The registry is guaranteed to be
-  // valid for the life of this object. We do not own this object.
-  WebIntentsRegistry* registry_;
-
-  // The callback for this particular query.
-  ResultsHandler handler_;
-};
-
-WebIntentsRegistry::WebIntentsRegistry() {
-  native_services_.reset(new web_intents::NativeServiceRegistry());
-}
-
-WebIntentsRegistry::~WebIntentsRegistry() {
-
-  // Cancel all pending queries, since we can't handle them any more.
-  for (QueryVector::iterator it = pending_queries_.begin();
-      it != pending_queries_.end(); ++it) {
-    QueryAdapter* query = *it;
-    wds_->CancelRequest(query->query_handle_);
-    delete query;
-  }
-}
-
-void WebIntentsRegistry::Initialize(
-    scoped_refptr<WebDataService> wds,
-    ExtensionServiceInterface* extension_service) {
-  wds_ = wds;
-  extension_service_ = extension_service;
-}
-
-void WebIntentsRegistry::OnWebIntentsResultReceived(
-    const QueryParams& params,
-    const QueryCallback& callback,
-    const WDTypedResult* result) {
-  DCHECK(result);
-  DCHECK(result->GetType() == WEB_INTENTS_RESULT);
-
-  IntentServiceList matching_services = static_cast<
-      const WDResult<IntentServiceList>*>(result)->GetValue();
-
-  // Loop over all services in all extensions, collect ones
-  // matching the query.
-  if (extension_service_) {
-    const ExtensionSet* extensions = extension_service_->extensions();
-    if (extensions) {
-      for (ExtensionSet::const_iterator i(extensions->begin());
-           i != extensions->end(); ++i) {
-        AddMatchingServicesForExtension(**i, params.action_,
-                                        &matching_services);
-      }
-    }
-  }
-
-  // add native services.
-  native_services_->GetSupportedServices(params.action_, &matching_services);
-
-  // Filter out all services not matching the query type.
-  FilterServicesByType(params.type_, &matching_services);
-
-  // Collapse intents that are equivalent for all but |type|.
-  CollapseIntents(&matching_services);
-
-  callback.Run(matching_services);
-}
-
-void WebIntentsRegistry::OnAllDefaultIntentServicesReceived(
-    const DefaultIntentServicesCallback& callback,
-    const WDTypedResult* result) {
-  DCHECK(result);
-  DCHECK(result->GetType() == WEB_INTENTS_DEFAULTS_RESULT);
-
-  const std::vector<DefaultWebIntentService> services = static_cast<
-      const WDResult<std::vector<DefaultWebIntentService> >*>(result)->
-          GetValue();
-
-  callback.Run(services);
-}
-
-void WebIntentsRegistry::OnWebIntentsDefaultsResultReceived(
-    const QueryParams& params,
-    const DefaultQueryCallback& callback,
-    const WDTypedResult* result) {
-  DCHECK(result);
-  DCHECK(result->GetType() == WEB_INTENTS_DEFAULTS_RESULT);
-
-  std::vector<DefaultWebIntentService> services = static_cast<
-      const WDResult<std::vector<DefaultWebIntentService> >*>(result)->
-          GetValue();
-
-  DefaultWebIntentService default_service;
-  std::vector<DefaultWebIntentService>::iterator iter(services.begin());
-  for (; iter != services.end(); ++iter) {
-    if (!WebIntentsTypesMatch(iter->type, params.type_)) {
-      continue;
-    }
-    if (!iter->url_pattern.MatchesURL(params.url_)) {
-      continue;
-    }
-    const Extension* extension = ExtensionForURL(iter->service_url);
-    if (extension != NULL &&
-        !extension_service_->IsExtensionEnabled(extension->id())) {
-      continue;
-    }
-
-    // Found a match. If it is better than default_service, use it.
-    // Currently the metric is that if the new value is user-set,
-    // prefer it. If the new value has a more specific pattern, prefer it.
-    // If the new value has a more recent date, prefer it.
-    if (default_service.user_date <= 0 && iter->user_date >= 0) {
-      default_service = *iter;
-    } else if (default_service.url_pattern.match_all_urls() &&
-             !iter->url_pattern.match_all_urls()) {
-      default_service = *iter;
-    } else if (iter->url_pattern < default_service.url_pattern) {
-      default_service = *iter;
-    } else if (default_service.user_date < iter->user_date) {
-      default_service = *iter;
-    }
-  }
-
-  // If QuickOffice is the default for this, recompute defaults.
-  if (default_service.service_url
-      == web_intents::kQuickOfficeViewerServiceURL ||
-      default_service.service_url
-      == web_intents::kQuickOfficeViewerDevServiceURL) {
-    default_service.user_date = -1;
-  }
-
-  // TODO(hshi): Temporary workaround for http://crbug.com/134197.
-  // If no user-set default service is found, use built-in QuickOffice Viewer as
-  // default for MS office files. Remove this once full defaults is in place.
-
-  if (default_service.user_date <= 0) {
-    const char kQuickOfficeDevExtensionId[] =
-        "ionpfmkccalenbmnddpbmocokhaknphg";
-    std::string service_url = web_intents::kQuickOfficeViewerServiceURL;
-    if (extension_service_->GetInstalledExtension(kQuickOfficeDevExtensionId) &&
-        extension_service_->IsExtensionEnabled(kQuickOfficeDevExtensionId)) {
-        service_url = web_intents::kQuickOfficeViewerDevServiceURL;
-    }
-
-    for (size_t i = 0; i < sizeof(kQuickOfficeViewerMimeType) / sizeof(char*);
-         ++i) {
-      DefaultWebIntentService qoviewer_service;
-      qoviewer_service.action = ASCIIToUTF16(web_intents::kActionView);
-      qoviewer_service.type = ASCIIToUTF16(kQuickOfficeViewerMimeType[i]);
-      qoviewer_service.service_url = service_url;
-      if (WebIntentsTypesMatch(qoviewer_service.type, params.type_)) {
-        default_service = qoviewer_service;
-        break;
-      }
-    }
-  }
-
-  callback.Run(default_service);
-}
-
-void WebIntentsRegistry::GetIntentServices(
-    const string16& action, const string16& type,
-    const QueryCallback& callback) {
-  DCHECK(wds_.get());
-  DCHECK(!callback.is_null());
-
-  const QueryParams params(action, type);
-  const ResultsHandler handler = base::Bind(
-      &WebIntentsRegistry::OnWebIntentsResultReceived,
-      base::Unretained(this),
-      params,
-      callback);
-
-  QueryAdapter* query = new QueryAdapter(this, handler);
-  query->query_handle_ = wds_->GetWebIntentServicesForAction(action, query);
-}
-
-void WebIntentsRegistry::GetAllIntentServices(
-    const QueryCallback& callback) {
-  DCHECK(wds_.get());
-  DCHECK(!callback.is_null());
-
-  const QueryParams params;
-  const ResultsHandler handler = base::Bind(
-      &WebIntentsRegistry::OnWebIntentsResultReceived,
-      base::Unretained(this),
-      params,
-      callback);
-
-  QueryAdapter* query = new QueryAdapter(this, handler);
-  query->query_handle_ = wds_->GetAllWebIntentServices(query);
-}
-
-void WebIntentsRegistry::GetAllDefaultIntentServices(
-    const DefaultIntentServicesCallback& callback) {
-  DCHECK(!callback.is_null());
-
-  ResultsHandler handler = base::Bind(
-      &WebIntentsRegistry::OnAllDefaultIntentServicesReceived,
-      base::Unretained(this),
-      callback);
-
-  QueryAdapter* query = new QueryAdapter(this, handler);
-  query->query_handle_ =
-      wds_->GetAllDefaultWebIntentServices(query);
-}
-
-void WebIntentsRegistry::IntentServiceExists(
-    const WebIntentServiceData& service,
-    const base::Callback<void(bool)>& callback) {
-  DCHECK(!callback.is_null());
-
-  ResultsHandler handler = base::Bind(
-      &ExistenceCallback,
-      service,
-      callback);
-
-  QueryAdapter* query = new QueryAdapter(this, handler);
-  query->query_handle_ = wds_->GetWebIntentServicesForURL(
-      UTF8ToUTF16(service.service_url.spec()), query);
-}
-
-void WebIntentsRegistry::GetIntentServicesForExtensionFilter(
-        const string16& action,
-        const string16& type,
-        const std::string& extension_id,
-        IntentServiceList* services) {
-  if (extension_service_) {
-    const Extension* extension =
-        extension_service_->GetExtensionById(extension_id, false);
-    AddMatchingServicesForExtension(*extension,
-                                    action,
-                                    services);
-    FilterServicesByType(type, services);
-  }
-}
-
-void WebIntentsRegistry::RegisterDefaultIntentService(
-    const DefaultWebIntentService& default_service) {
-  DCHECK(wds_.get());
-  wds_->AddDefaultWebIntentService(default_service);
-}
-
-void WebIntentsRegistry::UnregisterDefaultIntentService(
-    const DefaultWebIntentService& default_service) {
-  DCHECK(wds_.get());
-  wds_->RemoveDefaultWebIntentService(default_service);
-}
-
-void WebIntentsRegistry::UnregisterServiceDefaults(const GURL& service_url) {
-  DCHECK(wds_.get());
-  wds_->RemoveWebIntentServiceDefaults(service_url);
-}
-
-void WebIntentsRegistry::GetDefaultIntentService(
-    const string16& action,
-    const string16& type,
-    const GURL& invoking_url,
-    const DefaultQueryCallback& callback) {
-  DCHECK(!callback.is_null());
-
-  const QueryParams params(action, type);
-
-  ResultsHandler handler = base::Bind(
-      &WebIntentsRegistry::OnWebIntentsDefaultsResultReceived,
-      base::Unretained(this),
-      params,
-      callback);
-
-  QueryAdapter* query = new QueryAdapter(this, handler);
-  query->query_handle_ =
-      wds_->GetDefaultWebIntentServicesForAction(action, query);
-}
-
-void WebIntentsRegistry::RegisterIntentService(
-    const WebIntentServiceData& service) {
-  DCHECK(wds_.get());
-  wds_->AddWebIntentService(service);
-}
-
-void WebIntentsRegistry::UnregisterIntentService(
-    const WebIntentServiceData& service) {
-  DCHECK(wds_.get());
-  wds_->RemoveWebIntentService(service);
-}
-
-void WebIntentsRegistry::CollapseIntents(IntentServiceList* services) {
-  DCHECK(services);
-
-  // No need to do anything for no services/single service.
-  if (services->size() < 2)
-    return;
-
-  // Sort so that intents that can be collapsed must be adjacent.
-  std::sort(services->begin(), services->end(), IntentOrdering());
-
-  // Combine adjacent services if they are equivalent.
-  IntentServiceList::iterator write_iter = services->begin();
-  IntentServiceList::iterator read_iter = write_iter + 1;
-  while (read_iter != services->end()) {
-    if (IntentsAreEquivalent(*write_iter, *read_iter)) {
-      // If the two intents are equivalent, join types and collapse.
-      write_iter->type += ASCIIToUTF16(",") + read_iter->type;
-    } else {
-      // Otherwise, keep both intents.
-      ++write_iter;
-      if (write_iter != read_iter)
-        *write_iter = *read_iter;
-    }
-    ++read_iter;
-  }
-
-  // Cut off everything after the last intent copied to the list.
-  if (++write_iter != services->end())
-    services->erase(write_iter, services->end());
-}
-
-const Extension* WebIntentsRegistry::ExtensionForURL(const std::string& url) {
-  const ExtensionSet* extensions = extension_service_->extensions();
-  if (!extensions)
-    return NULL;
-
-  // Use the unsafe ExtensionURLInfo constructor: we don't care if the extension
-  // is running or not.
-  GURL gurl(url);
-  ExtensionURLInfo info(gurl);
-  return extensions->GetExtensionOrAppByURL(info);
-}
-
-void WebIntentsRegistry::TrackQuery(QueryAdapter* query) {
-  DCHECK(query);
-  pending_queries_.push_back(query);
-}
-
-void WebIntentsRegistry::ReleaseQuery(QueryAdapter* query) {
-  QueryVector::iterator it = std::find(
-      pending_queries_.begin(), pending_queries_.end(), query);
-  if (it != pending_queries_.end()) {
-    pending_queries_.erase(it);
-    delete query;
-  } else {
-    NOTREACHED();
-  }
-}