Deleting the copresence API.

components/copresence/handlers/directive_handler_impl.cc

-// Copyright 2014 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/copresence/handlers/directive_handler_impl.h"
-
-#include <utility>
-
-#include "base/bind.h"
-#include "base/guid.h"
-#include "base/logging.h"
-#include "base/memory/ptr_util.h"
-#include "base/time/time.h"
-#include "components/copresence/handlers/audio/audio_directive_handler_impl.h"
-#include "components/copresence/proto/data.pb.h"
-
-namespace {
-
-const int kMaxUnlabeledDirectiveTtl = 60000;  // 1 minute
-
-}  // namespace
-
-namespace copresence {
-
-// Public functions.
-
-DirectiveHandlerImpl::DirectiveHandlerImpl()
-    : DirectiveHandlerImpl(base::WrapUnique(
-          new AudioDirectiveHandlerImpl(DirectivesCallback()))) {}
-
-DirectiveHandlerImpl::DirectiveHandlerImpl(
-    const DirectivesCallback& update_directives_callback)
-    : DirectiveHandlerImpl(base::WrapUnique(
-          new AudioDirectiveHandlerImpl(update_directives_callback))) {}
-
-DirectiveHandlerImpl::DirectiveHandlerImpl(
-    std::unique_ptr<AudioDirectiveHandler> audio_handler)
-    : audio_handler_(std::move(audio_handler)), is_started_(false) {}
-
-DirectiveHandlerImpl::~DirectiveHandlerImpl() {}
-
-void DirectiveHandlerImpl::Start(
-    audio_modem::WhispernetClient* whispernet_client,
-    const audio_modem::TokensCallback& tokens_cb) {
-  audio_handler_->Initialize(whispernet_client, tokens_cb);
-  DVLOG(2) << "Directive handler starting";
-
-  is_started_ = true;
-
-  // Run all the queued directives.
-  for (const auto& op_id : pending_directives_) {
-    for (const Directive& directive : op_id.second)
-      StartDirective(op_id.first, directive);
-  }
-  pending_directives_.clear();
-}
-
-void DirectiveHandlerImpl::AddDirective(const Directive& original_directive) {
-  // We may need to modify the directive's TTL.
-  Directive directive(original_directive);
-
-  // We only handle transmit and receive directives.
-  // WiFi and BLE scans aren't implemented.
-  DCHECK_EQ(directive.instruction_type(), TOKEN);
-
-  std::string op_id = directive.published_message_id();
-  if (op_id.empty())
-    op_id = directive.subscription_id();
-
-  // GCM directives will not have a publish or subscribe ID populated.
-  if (op_id.empty()) {
-    op_id = base::GenerateGUID();
-    DVLOG(3) << "No operation associated with directive. Setting op id to "
-             << op_id;
-
-    // The app can't cancel these directives, so make sure they're not too long.
-    if (directive.ttl_millis() > kMaxUnlabeledDirectiveTtl) {
-      DVLOG(2) << "Cutting TTL of unlabeled directive from "
-               << directive.ttl_millis() << " down to "
-               << kMaxUnlabeledDirectiveTtl << " milliseconds";
-      directive.set_ttl_millis(kMaxUnlabeledDirectiveTtl);
-    }
-  }
-
-  if (!is_started_) {
-    pending_directives_[op_id].push_back(directive);
-  } else {
-    StartDirective(op_id, directive);
-  }
-}
-
-void DirectiveHandlerImpl::RemoveDirectives(const std::string& op_id) {
-  // If whispernet_client_ is null, audio_handler_ hasn't been Initialized.
-  if (is_started_) {
-    audio_handler_->RemoveInstructions(op_id);
-  } else {
-    pending_directives_.erase(op_id);
-  }
-}
-
-const std::string DirectiveHandlerImpl::GetCurrentAudioToken(
-    audio_modem::AudioType type) const {
-  // If whispernet_client_ is null, audio_handler_ hasn't been Initialized.
-  return is_started_ ? audio_handler_->PlayingToken(type) : "";
-}
-
-bool DirectiveHandlerImpl::IsAudioTokenHeard(
-    audio_modem::AudioType type) const {
-  return is_started_ ? audio_handler_->IsPlayingTokenHeard(type) : false;
-}
-
-
-// Private functions.
-
-void DirectiveHandlerImpl::StartDirective(const std::string& op_id,
-                                          const Directive& directive) {
-  DCHECK(is_started_);
-  DLOG_IF(WARNING, directive.delay_millis() > 0)
-      << "Ignoring " << directive.delay_millis() << " delay for directive";
-  const TokenMedium& medium = directive.token_instruction().medium();
-  DCHECK(medium == AUDIO_ULTRASOUND_PASSBAND || medium == AUDIO_AUDIBLE_DTMF)
-      << "Received directive for unimplemented medium " << medium;
-  audio_handler_->AddInstruction(directive, op_id);
-}
-
-}  // namespace copresence