| // Copyright 2013 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/api/braille_display_private/braille_display_private_api.h" |
| |
| #include "base/lazy_instance.h" |
| #include "chrome/browser/extensions/api/braille_display_private/braille_controller.h" |
| #include "chrome/browser/extensions/event_router.h" |
| #include "chrome/browser/extensions/extension_system.h" |
| |
| namespace OnKeyEvent = extensions::api::braille_display_private::OnKeyEvent; |
| namespace WriteDots = extensions::api::braille_display_private::WriteDots; |
| using extensions::api::braille_display_private::KeyEvent; |
| using extensions::api::braille_display_private::BrailleController; |
| |
| namespace extensions { |
| BrailleDisplayPrivateAPI::BrailleDisplayPrivateAPI(Profile* profile) |
| : profile_(profile) { |
| // TODO(plundblad): Consider defering this until someone actually uses the |
| // API so that we only watch for braille displays if cvox is enabled. |
| BrailleController::GetInstance()->AddObserver(this); |
| } |
| |
| BrailleDisplayPrivateAPI::~BrailleDisplayPrivateAPI() { |
| BrailleController::GetInstance()->RemoveObserver(this); |
| } |
| |
| void BrailleDisplayPrivateAPI::Shutdown() { |
| } |
| |
| static base::LazyInstance<ProfileKeyedAPIFactory<BrailleDisplayPrivateAPI> > |
| g_factory = LAZY_INSTANCE_INITIALIZER; |
| |
| // static |
| ProfileKeyedAPIFactory<BrailleDisplayPrivateAPI>* |
| BrailleDisplayPrivateAPI::GetFactoryInstance() { |
| return &g_factory.Get(); |
| } |
| |
| void BrailleDisplayPrivateAPI::OnKeyEvent( |
| const KeyEvent& keyEvent) { |
| // TODO(plundblad): Only send the event to the active profile. |
| scoped_ptr<Event> event(new Event( |
| OnKeyEvent::kEventName, OnKeyEvent::Create(keyEvent))); |
| ExtensionSystem::Get(profile_)->event_router()->BroadcastEvent(event.Pass()); |
| } |
| |
| namespace api { |
| bool BrailleDisplayPrivateGetDisplayStateFunction::Prepare() { |
| return true; |
| } |
| |
| void BrailleDisplayPrivateGetDisplayStateFunction::Work() { |
| SetResult(BrailleController::GetInstance()->GetDisplayState().release()); |
| } |
| |
| bool BrailleDisplayPrivateGetDisplayStateFunction::Respond() { |
| return true; |
| } |
| |
| BrailleDisplayPrivateWriteDotsFunction:: |
| BrailleDisplayPrivateWriteDotsFunction() { |
| } |
| |
| BrailleDisplayPrivateWriteDotsFunction:: |
| ~BrailleDisplayPrivateWriteDotsFunction() { |
| } |
| |
| bool BrailleDisplayPrivateWriteDotsFunction::Prepare() { |
| params_ = WriteDots::Params::Create(*args_); |
| EXTENSION_FUNCTION_VALIDATE(params_); |
| return true; |
| } |
| |
| void BrailleDisplayPrivateWriteDotsFunction::Work() { |
| BrailleController::GetInstance()->WriteDots(params_->cells); |
| } |
| |
| bool BrailleDisplayPrivateWriteDotsFunction::Respond() { |
| return true; |
| } |
| } // namespace api |
| } // namespace extensions |