sammc | a0a73e5 | 2014-10-07 04:53:16 | [diff] [blame] | 1 | // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "extensions/browser/stash_backend.h" |
| 6 | |
| 7 | namespace extensions { |
| 8 | |
| 9 | // An implementation of StashService that forwards calls to a StashBackend. |
| 10 | class StashServiceImpl : public mojo::InterfaceImpl<StashService> { |
| 11 | public: |
| 12 | explicit StashServiceImpl(base::WeakPtr<StashBackend> backend); |
dcheng | 9168b2f | 2014-10-21 12:38:24 | [diff] [blame] | 13 | ~StashServiceImpl() override; |
sammc | a0a73e5 | 2014-10-07 04:53:16 | [diff] [blame] | 14 | |
| 15 | // mojo::InterfaceImpl<StashService> overrides. |
dcheng | 9168b2f | 2014-10-21 12:38:24 | [diff] [blame] | 16 | void AddToStash(mojo::Array<StashedObjectPtr> stash) override; |
| 17 | void RetrieveStash( |
sammc | a0a73e5 | 2014-10-07 04:53:16 | [diff] [blame] | 18 | const mojo::Callback<void(mojo::Array<StashedObjectPtr> stash)>& callback) |
| 19 | override; |
| 20 | |
| 21 | private: |
| 22 | base::WeakPtr<StashBackend> backend_; |
| 23 | |
| 24 | DISALLOW_COPY_AND_ASSIGN(StashServiceImpl); |
| 25 | }; |
| 26 | |
| 27 | StashBackend::StashBackend() : weak_factory_(this) { |
| 28 | } |
| 29 | |
| 30 | StashBackend::~StashBackend() { |
| 31 | } |
| 32 | |
| 33 | void StashBackend::AddToStash(mojo::Array<StashedObjectPtr> stashed_objects) { |
| 34 | for (size_t i = 0; i < stashed_objects.size(); i++) { |
| 35 | stashed_objects_.push_back(stashed_objects[i].Pass()); |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | mojo::Array<StashedObjectPtr> StashBackend::RetrieveStash() { |
| 40 | if (stashed_objects_.is_null()) |
| 41 | stashed_objects_.resize(0); |
| 42 | return stashed_objects_.Pass(); |
| 43 | } |
| 44 | |
| 45 | void StashBackend::BindToRequest(mojo::InterfaceRequest<StashService> request) { |
| 46 | mojo::BindToRequest(new StashServiceImpl(weak_factory_.GetWeakPtr()), |
| 47 | &request); |
| 48 | } |
| 49 | |
| 50 | StashServiceImpl::StashServiceImpl(base::WeakPtr<StashBackend> backend) |
| 51 | : backend_(backend) { |
| 52 | } |
| 53 | |
| 54 | StashServiceImpl::~StashServiceImpl() { |
| 55 | } |
| 56 | |
| 57 | void StashServiceImpl::AddToStash( |
| 58 | mojo::Array<StashedObjectPtr> stashed_objects) { |
| 59 | if (!backend_) |
| 60 | return; |
| 61 | backend_->AddToStash(stashed_objects.Pass()); |
| 62 | } |
| 63 | |
| 64 | void StashServiceImpl::RetrieveStash( |
| 65 | const mojo::Callback<void(mojo::Array<StashedObjectPtr>)>& callback) { |
| 66 | if (!backend_) { |
| 67 | callback.Run(mojo::Array<StashedObjectPtr>(0)); |
| 68 | return; |
| 69 | } |
| 70 | callback.Run(backend_->RetrieveStash()); |
| 71 | } |
| 72 | |
| 73 | } // namespace extensions |