Moving extensions inside chrome/browser/extensions/

chrome/browser/extensions/extension_omnibox_api.cc

-// 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/extensions/extension_omnibox_api.h"
-
-#include "base/json/json_writer.h"
-#include "base/lazy_instance.h"
-#include "base/metrics/histogram.h"
-#include "base/string_util.h"
-#include "base/utf_string_conversions.h"
-#include "base/values.h"
-#include "chrome/browser/extensions/extension_event_router.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/search_engines/template_url.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/webui/ntp/app_launcher_handler.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/extensions/extension_constants.h"
-#include "content/public/browser/notification_service.h"
-
-namespace events {
-const char kOnInputStarted[] = "omnibox.onInputStarted";
-const char kOnInputChanged[] = "omnibox.onInputChanged";
-const char kOnInputEntered[] = "omnibox.onInputEntered";
-const char kOnInputCancelled[] = "omnibox.onInputCancelled";
-};  // namespace events
-
-namespace {
-const char kDescriptionStylesOrderError[] =
-    "Suggestion descriptionStyles must be in increasing non-overlapping order.";
-const char kDescriptionStylesLengthError[] =
-    "Suggestion descriptionStyles contains an offset longer than the"
-    " description text";
-
-const char kSuggestionContent[] = "content";
-const char kSuggestionDescription[] = "description";
-const char kSuggestionDescriptionStyles[] = "descriptionStyles";
-const char kDescriptionStylesType[] = "type";
-const char kDescriptionStylesOffset[] = "offset";
-const char kDescriptionStylesLength[] = "length";
-
-static base::LazyInstance<base::PropertyAccessor<ExtensionOmniboxSuggestion> >
-    g_extension_omnibox_suggestion_property_accessor =
-        LAZY_INSTANCE_INITIALIZER;
-
-base::PropertyAccessor<ExtensionOmniboxSuggestion>& GetPropertyAccessor() {
-  return g_extension_omnibox_suggestion_property_accessor.Get();
-}
-
-// Returns the suggestion object set by the extension via the
-// omnibox.setDefaultSuggestion call, or NULL if it was never set.
-const ExtensionOmniboxSuggestion* GetDefaultSuggestionForExtension(
-    Profile* profile, const std::string& extension_id) {
-  const Extension* extension =
-      profile->GetExtensionService()->GetExtensionById(extension_id, false);
-  if (!extension)
-    return NULL;
-  return GetPropertyAccessor().GetProperty(
-      profile->GetExtensionService()->GetPropertyBag(extension));
-}
-
-};  // namespace
-
-// static
-void ExtensionOmniboxEventRouter::OnInputStarted(
-    Profile* profile, const std::string& extension_id) {
-  profile->GetExtensionEventRouter()->DispatchEventToExtension(
-      extension_id, events::kOnInputStarted, "[]", profile, GURL());
-}
-
-// static
-bool ExtensionOmniboxEventRouter::OnInputChanged(
-    Profile* profile, const std::string& extension_id,
-    const std::string& input, int suggest_id) {
-  if (!profile->GetExtensionEventRouter()->ExtensionHasEventListener(
-        extension_id, events::kOnInputChanged))
-    return false;
-
-  ListValue args;
-  args.Set(0, Value::CreateStringValue(input));
-  args.Set(1, Value::CreateIntegerValue(suggest_id));
-  std::string json_args;
-  base::JSONWriter::Write(&args, &json_args);
-
-  profile->GetExtensionEventRouter()->DispatchEventToExtension(
-      extension_id, events::kOnInputChanged, json_args, profile, GURL());
-  return true;
-}
-
-// static
-void ExtensionOmniboxEventRouter::OnInputEntered(
-    Profile* profile, const std::string& extension_id,
-    const std::string& input) {
-  ListValue args;
-  args.Set(0, Value::CreateStringValue(input));
-  std::string json_args;
-  base::JSONWriter::Write(&args, &json_args);
-
-  profile->GetExtensionEventRouter()->DispatchEventToExtension(
-      extension_id, events::kOnInputEntered, json_args, profile, GURL());
-
-  content::NotificationService::current()->Notify(
-      chrome::NOTIFICATION_EXTENSION_OMNIBOX_INPUT_ENTERED,
-      content::Source<Profile>(profile),
-      content::NotificationService::NoDetails());
-}
-
-// static
-void ExtensionOmniboxEventRouter::OnInputCancelled(
-    Profile* profile, const std::string& extension_id) {
-  profile->GetExtensionEventRouter()->DispatchEventToExtension(
-      extension_id, events::kOnInputCancelled, "[]", profile, GURL());
-}
-
-bool OmniboxSendSuggestionsFunction::RunImpl() {
-  ExtensionOmniboxSuggestions suggestions;
-  ListValue* suggestions_value;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetInteger(0, &suggestions.request_id));
-  EXTENSION_FUNCTION_VALIDATE(args_->GetList(1, &suggestions_value));
-
-  suggestions.suggestions.resize(suggestions_value->GetSize());
-  for (size_t i = 0; i < suggestions_value->GetSize(); ++i) {
-    ExtensionOmniboxSuggestion& suggestion = suggestions.suggestions[i];
-    DictionaryValue* suggestion_value;
-    EXTENSION_FUNCTION_VALIDATE(suggestions_value->GetDictionary(
-        i, &suggestion_value));
-    EXTENSION_FUNCTION_VALIDATE(suggestion_value->GetString(
-        kSuggestionContent, &suggestion.content));
-    EXTENSION_FUNCTION_VALIDATE(suggestion_value->GetString(
-        kSuggestionDescription, &suggestion.description));
-
-    if (suggestion_value->HasKey(kSuggestionDescriptionStyles)) {
-      ListValue* styles;
-      EXTENSION_FUNCTION_VALIDATE(
-          suggestion_value->GetList(kSuggestionDescriptionStyles, &styles));
-      EXTENSION_FUNCTION_VALIDATE(suggestion.ReadStylesFromValue(*styles));
-    } else {
-      suggestion.description_styles.clear();
-      suggestion.description_styles.push_back(
-          ACMatchClassification(0, ACMatchClassification::NONE));
-    }
-  }
-
-  content::NotificationService::current()->Notify(
-      chrome::NOTIFICATION_EXTENSION_OMNIBOX_SUGGESTIONS_READY,
-      content::Source<Profile>(profile_->GetOriginalProfile()),
-      content::Details<ExtensionOmniboxSuggestions>(&suggestions));
-
-  return true;
-}
-
-bool OmniboxSetDefaultSuggestionFunction::RunImpl() {
-  ExtensionOmniboxSuggestion suggestion;
-  DictionaryValue* suggestion_value;
-  EXTENSION_FUNCTION_VALIDATE(args_->GetDictionary(0, &suggestion_value));
-  EXTENSION_FUNCTION_VALIDATE(suggestion_value->GetString(
-      kSuggestionDescription, &suggestion.description));
-
-  if (suggestion_value->HasKey(kSuggestionDescriptionStyles)) {
-    ListValue* styles;
-    EXTENSION_FUNCTION_VALIDATE(
-        suggestion_value->GetList(kSuggestionDescriptionStyles, &styles));
-    EXTENSION_FUNCTION_VALIDATE(suggestion.ReadStylesFromValue(*styles));
-  } else {
-    suggestion.description_styles.clear();
-    suggestion.description_styles.push_back(
-        ACMatchClassification(0, ACMatchClassification::NONE));
-  }
-
-  // Store the suggestion in the extension's runtime data.
-  GetPropertyAccessor().SetProperty(
-      profile_->GetExtensionService()->GetPropertyBag(GetExtension()),
-      suggestion);
-
-  content::NotificationService::current()->Notify(
-      chrome::NOTIFICATION_EXTENSION_OMNIBOX_DEFAULT_SUGGESTION_CHANGED,
-      content::Source<Profile>(profile_->GetOriginalProfile()),
-      content::NotificationService::NoDetails());
-
-  return true;
-}
-
-ExtensionOmniboxSuggestion::ExtensionOmniboxSuggestion() {}
-
-ExtensionOmniboxSuggestion::~ExtensionOmniboxSuggestion() {}
-
-bool ExtensionOmniboxSuggestion::ReadStylesFromValue(
-    const ListValue& styles_value) {
-  description_styles.clear();
-
-  // Step 1: Build a vector of styles, 1 per character of description text.
-  std::vector<int> styles;
-  styles.resize(description.length());  // sets all styles to 0
-
-  for (size_t i = 0; i < styles_value.GetSize(); ++i) {
-    DictionaryValue* style;
-    std::string type;
-    int offset;
-    int length;
-    if (!styles_value.GetDictionary(i, &style))
-      return false;
-    if (!style->GetString(kDescriptionStylesType, &type))
-      return false;
-    if (!style->GetInteger(kDescriptionStylesOffset, &offset))
-      return false;
-    if (!style->GetInteger(kDescriptionStylesLength, &length) || length < 0)
-      length = description.length();
-
-    if (offset < 0)
-      offset = std::max(0, static_cast<int>(description.length()) + offset);
-
-    int type_class =
-        (type == "url") ? ACMatchClassification::URL :
-        (type == "match") ? ACMatchClassification::MATCH :
-        (type == "dim") ? ACMatchClassification::DIM : -1;
-    if (type_class == -1)
-      return false;
-
-    for (int j = offset;
-         j < offset + length && j < static_cast<int>(styles.size()); ++j)
-      styles[j] |= type_class;
-  }
-
-  // Step 2: Convert the vector into continuous runs of common styles.
-  for (size_t i = 0; i < styles.size(); ++i) {
-    if (i == 0 || styles[i] != styles[i-1])
-      description_styles.push_back(ACMatchClassification(i, styles[i]));
-  }
-
-  return true;
-}
-
-ExtensionOmniboxSuggestions::ExtensionOmniboxSuggestions() : request_id(0) {}
-
-ExtensionOmniboxSuggestions::~ExtensionOmniboxSuggestions() {}
-
-void ApplyDefaultSuggestionForExtensionKeyword(
-    Profile* profile,
-    const TemplateURL* keyword,
-    const string16& remaining_input,
-    AutocompleteMatch* match) {
-  DCHECK(keyword->IsExtensionKeyword());
-  const ExtensionOmniboxSuggestion* suggestion =
-      GetDefaultSuggestionForExtension(profile, keyword->GetExtensionId());
-  if (!suggestion)
-    return;  // fall back to the universal default
-
-  const string16 kPlaceholderText(ASCIIToUTF16("%s"));
-  const string16 kReplacementText(ASCIIToUTF16("<input>"));
-
-  string16 description = suggestion->description;
-  ACMatchClassifications& description_styles = match->contents_class;
-  description_styles = suggestion->description_styles;
-
-  // Replace "%s" with the user's input and adjust the style offsets to the
-  // new length of the description.
-  size_t placeholder(suggestion->description.find(kPlaceholderText, 0));
-  if (placeholder != string16::npos) {
-    string16 replacement =
-        remaining_input.empty() ? kReplacementText : remaining_input;
-    description.replace(placeholder, kPlaceholderText.length(), replacement);
-
-    for (size_t i = 0; i < description_styles.size(); ++i) {
-      if (description_styles[i].offset > placeholder)
-        description_styles[i].offset += replacement.length() - 2;
-    }
-  }
-
-  match->contents.assign(description);
-}
-
-void LaunchAppFromOmnibox(const AutocompleteMatch& match,
-                          Profile* profile,
-                          WindowOpenDisposition disposition) {
-  ExtensionService* service = profile->GetExtensionService();
-  const Extension* extension =
-      service->GetInstalledApp(match.destination_url);
-  // While the Omnibox popup is open, the extension can be updated, changing
-  // its URL and leaving us with no extension being found. In this case, we
-  // ignore the request.
-  if (!extension)
-    return;
-
-  AppLauncherHandler::RecordAppLaunchType(
-      extension_misc::APP_LAUNCH_OMNIBOX_APP);
-
-  // Look at the preferences to find the right launch container.  If no
-  // preference is set, launch as a regular tab.
-  extension_misc::LaunchContainer launch_container =
-      service->extension_prefs()->GetLaunchContainer(
-          extension, ExtensionPrefs::LAUNCH_REGULAR);
-
-  Browser::OpenApplication(profile, extension, launch_container, GURL(),
-                           disposition);
-}