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Prototype for using starboard as an ozone platform (#4655)
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190 changes: 190 additions & 0 deletions
190
ui/ozone/platform/starboard/platform_event_source_starboard.cc
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| // Copyright 2024 The Cobalt Authors. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
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| #include "ui/ozone/platform/starboard/platform_event_source_starboard.h" | ||
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| #include "base/logging.h" | ||
| #include "starboard/event.h" | ||
| #include "starboard/input.h" | ||
| #include "starboard/key.h" | ||
| #include "starboard/log.h" | ||
| #include "ui/events/event.h" | ||
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| #include "base/containers/fixed_flat_map.h" | ||
| #include "ui/events/keycodes/dom/dom_code.h" | ||
| #include "ui/events/keycodes/dom/dom_key.h" | ||
| #include "ui/events/keycodes/keyboard_code_conversion.h" | ||
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| #include "ui/events/types/event_type.h" | ||
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| namespace starboard { | ||
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| constexpr auto kSbKeyToDomCodeMap = base::MakeFixedFlatMap<SbKey, ui::DomCode>({ | ||
| // Convenience keys for keyboard support. | ||
| {kSbKeySpace, ui::DomCode::MEDIA_PLAY_PAUSE}, | ||
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| // Keys which are used by the Cast SDK. | ||
| {kSbKeyReturn, ui::DomCode::ENTER}, | ||
| {kSbKeySelect, ui::DomCode::SELECT}, | ||
| {kSbKeyUp, ui::DomCode::ARROW_UP}, | ||
| {kSbKeyDown, ui::DomCode::ARROW_DOWN}, | ||
| {kSbKeyLeft, ui::DomCode::ARROW_LEFT}, | ||
| {kSbKeyRight, ui::DomCode::ARROW_RIGHT}, | ||
| {kSbKeyBack, ui::DomCode::BROWSER_BACK}, | ||
|
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| // Keys which are used by the Cast SDK when the DPAD UI is enabled. | ||
| {kSbKeyMediaPlayPause, ui::DomCode::MEDIA_PLAY_PAUSE}, | ||
| {kSbKeyMediaRewind, ui::DomCode::MEDIA_REWIND}, | ||
| {kSbKeyMediaFastForward, ui::DomCode::MEDIA_FAST_FORWARD}, | ||
| {kSbKeyMediaNextTrack, ui::DomCode::MEDIA_TRACK_NEXT}, | ||
| {kSbKeyMediaPrevTrack, ui::DomCode::MEDIA_TRACK_PREVIOUS}, | ||
| {kSbKeyPause, ui::DomCode::MEDIA_PAUSE}, | ||
| {kSbKeyPlay, ui::DomCode::MEDIA_PLAY}, | ||
| {kSbKeyMediaStop, ui::DomCode::MEDIA_STOP}, | ||
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| // Keys which are not used by the Cast SDK, but are defined in the HDMI | ||
| // CEC specification. | ||
| {kSbKeyMenu, ui::DomCode::HOME}, | ||
| {kSbKeyChannelUp, ui::DomCode::CHANNEL_UP}, | ||
| {kSbKeyChannelDown, ui::DomCode::CHANNEL_DOWN}, | ||
| {kSbKeyClosedCaption, ui::DomCode::CLOSED_CAPTION_TOGGLE}, | ||
| {kSbKeyRecord, ui::DomCode::MEDIA_RECORD}, | ||
| }); | ||
| // Hack: replace this when implementing event handling | ||
| static scoped_refptr<base::TaskRunner> g_reply_runner_; | ||
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| void DeliverEventHandler(std::unique_ptr<ui::Event> ui_event) { | ||
| CHECK(ui::PlatformEventSource::GetInstance()); | ||
| static_cast<PlatformEventSourceStarboard*>( | ||
| ui::PlatformEventSource::GetInstance()) | ||
| ->DeliverEvent(std::move(ui_event)); | ||
| } | ||
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| void PlatformEventSourceStarboard::SbEventHandle(const SbEvent* event) { | ||
| if (event->type != kSbEventTypeInput) { | ||
| return; | ||
| } | ||
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| if (event->data == nullptr) { | ||
| return; | ||
| } | ||
| auto* input_data = static_cast<SbInputData*>(event->data); | ||
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| int64_t raw_timestamp = event->timestamp; | ||
| SbInputEventType raw_type = input_data->type; | ||
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| std::string type_name; | ||
| switch (input_data->type) { | ||
| case kSbInputEventTypeMove: | ||
| type_name = "kSbInputEventTypeMove"; | ||
| break; | ||
| case kSbInputEventTypePress: | ||
| type_name = "kSbInputEventTypePress"; | ||
| break; | ||
| case kSbInputEventTypeUnpress: | ||
| type_name = "kSbInputEventTypeUnpress"; | ||
| break; | ||
| case kSbInputEventTypeWheel: | ||
| type_name = "kSbInputEventTypeWheel"; | ||
| break; | ||
| case kSbInputEventTypeInput: | ||
| type_name = "kSbInputEventTypeInput"; | ||
| break; | ||
| } | ||
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| std::unique_ptr<ui::Event> ui_event; | ||
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| if (input_data->device_type == kSbInputDeviceTypeKeyboard) { | ||
| SbKey raw_key = input_data->key; | ||
| if (raw_type != kSbInputEventTypePress && | ||
| raw_type != kSbInputEventTypeUnpress) { | ||
| return; | ||
| } | ||
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| auto it = kSbKeyToDomCodeMap.find(raw_key); | ||
| if (it == kSbKeyToDomCodeMap.end()) { | ||
| return; | ||
| } | ||
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| ui::DomKey dom_key; | ||
| ui::KeyboardCode key_code; | ||
| ui::DomCode dom_code = it->second; | ||
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| int flags = 0; | ||
| if (!DomCodeToUsLayoutDomKey(dom_code, flags, &dom_key, &key_code)) { | ||
| return; | ||
| } | ||
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| // Key press. | ||
| ui::EventType event_type = raw_type == kSbInputEventTypePress | ||
| ? ui::EventType::ET_KEY_PRESSED | ||
| : ui::EventType::ET_KEY_RELEASED; | ||
| ui_event = std::make_unique<ui::KeyEvent>( | ||
| event_type, key_code, dom_code, flags, dom_key, | ||
| /*time_stamp=*/ | ||
| base::TimeTicks() + base::Microseconds(raw_timestamp)); | ||
| } else if (input_data->device_type == kSbInputDeviceTypeMouse) { | ||
| ui::EventType event_type = ui::EventType::ET_UNKNOWN; | ||
| switch (input_data->type) { | ||
| case kSbInputEventTypeMove: | ||
| event_type = ui::EventType::ET_MOUSE_MOVED; | ||
| break; | ||
| case kSbInputEventTypePress: | ||
| event_type = ui::EventType::ET_MOUSE_PRESSED; | ||
| break; | ||
| case kSbInputEventTypeUnpress: | ||
| event_type = ui::EventType::ET_MOUSE_RELEASED; | ||
| break; | ||
| case kSbInputEventTypeWheel: | ||
| event_type = ui::EventType::ET_MOUSEWHEEL; | ||
| break; | ||
| case kSbInputEventTypeInput: | ||
| break; | ||
| } | ||
| int flag = ui::EF_NONE; | ||
| if (kSbInputEventTypePress) { | ||
| flag = ui::EF_LEFT_MOUSE_BUTTON; | ||
| } | ||
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| // Mouse wheel scrolls are separate from MouseEvent and will crash here. We | ||
| // need to handle them properly. | ||
| if (event_type == ui::EventType::ET_MOUSEWHEEL) { | ||
| return; | ||
| } | ||
| ui_event = std::make_unique<ui::MouseEvent>( | ||
| event_type, gfx::PointF(input_data->position.x, input_data->position.y), | ||
| gfx::PointF{}, base::TimeTicks() + base::Microseconds(raw_timestamp), | ||
| flag, ui::EF_LEFT_MOUSE_BUTTON); | ||
| } else { | ||
| return; | ||
| } | ||
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| g_reply_runner_->PostTask( | ||
| FROM_HERE, base::BindOnce(&DeliverEventHandler, std::move(ui_event))); | ||
| } | ||
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| PlatformEventSourceStarboard::PlatformEventSourceStarboard() { | ||
| sb_main_ = std::make_unique<std::thread>(&SbRunStarboardMain, /*argc=*/0, | ||
| /*argv=*/nullptr, &SbEventHandle); | ||
| g_reply_runner_ = base::SingleThreadTaskRunner::GetCurrentDefault(); | ||
| sb_main_->detach(); | ||
| } | ||
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| uint32_t PlatformEventSourceStarboard::DeliverEvent( | ||
| std::unique_ptr<ui::Event> ui_event) { | ||
| return DispatchEvent(ui_event.get()); | ||
| } | ||
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| PlatformEventSourceStarboard::~PlatformEventSourceStarboard() {} | ||
| } // namespace starboard |
47 changes: 47 additions & 0 deletions
47
ui/ozone/platform/starboard/platform_event_source_starboard.h
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,47 @@ | ||
| // Copyright 2024 The Cobalt Authors. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| #ifndef UI_OZONE_PLATFORM_STARBOARD_STARBOARD_PLATFORM_EVENT_SOURCE_H_ | ||
| #define UI_OZONE_PLATFORM_STARBOARD_STARBOARD_PLATFORM_EVENT_SOURCE_H_ | ||
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| #include "ui/events/platform/platform_event_source.h" | ||
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| #include "base/task/single_thread_task_runner.h" | ||
| #include "starboard/event.h" | ||
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| #include <thread> | ||
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| namespace starboard { | ||
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| class PlatformEventSourceStarboard : public ui::PlatformEventSource { | ||
| public: | ||
| PlatformEventSourceStarboard(); | ||
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| PlatformEventSourceStarboard(const PlatformEventSourceStarboard&) = delete; | ||
| PlatformEventSourceStarboard& operator=(const PlatformEventSourceStarboard&) = | ||
| delete; | ||
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| ~PlatformEventSourceStarboard() override; | ||
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| static void SbEventHandle(const SbEvent* event); | ||
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| uint32_t DeliverEvent(std::unique_ptr<ui::Event> ui_event); | ||
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| private: | ||
| std::unique_ptr<std::thread> sb_main_; | ||
| }; | ||
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| } // namespace starboard | ||
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| #endif // UI_OZONE_PLATFORM_STARBOARD_STARBOARD_PLATFORM_EVENT_SOURCE_H_ |
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