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// 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 "ui/ozone/platform/caca/caca_window.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/message_loop/message_loop.h"
#include "base/trace_event/trace_event.h"
#include "ui/events/ozone/events_ozone.h"
#include "ui/events/platform/platform_event_source.h"
#include "ui/ozone/platform/caca/caca_event_source.h"
#include "ui/ozone/platform/caca/caca_window_manager.h"
#include "ui/platform_window/platform_window_delegate.h"
namespace ui {
namespace {
// Size of initial cnavas (in characters).
const int kDefaultCanvasWidth = 160;
const int kDefaultCanvasHeight = 48;
} // namespace
// TODO(dnicoara) As an optimization, |bitmap_size_| should be scaled based on
// |physical_size_| and font size.
CacaWindow::CacaWindow(PlatformWindowDelegate* delegate,
CacaWindowManager* manager,
CacaEventSource* event_source,
const gfx::Rect& bounds)
: delegate_(delegate),
manager_(manager),
event_source_(event_source),
weak_ptr_factory_(this) {
widget_ = manager_->AddWindow(this);
ui::PlatformEventSource::GetInstance()->AddPlatformEventDispatcher(this);
delegate_->OnAcceleratedWidgetAvailable(widget_);
}
CacaWindow::~CacaWindow() {
ui::PlatformEventSource::GetInstance()->RemovePlatformEventDispatcher(this);
manager_->RemoveWindow(widget_, this);
}
bool CacaWindow::Initialize() {
if (display_)
return true;
canvas_.reset(caca_create_canvas(kDefaultCanvasWidth, kDefaultCanvasHeight));
if (!canvas_) {
PLOG(ERROR) << "failed to create libcaca canvas";
return false;
}
display_.reset(caca_create_display(canvas_.get()));
if (!display_) {
PLOG(ERROR) << "failed to initialize libcaca display";
return false;
}
caca_set_cursor(display_.get(), 1);
caca_set_display_title(display_.get(), "Ozone Content Shell");
UpdateDisplaySize();
TryProcessingEvent();
return true;
}
void CacaWindow::TryProcessingEvent() {
event_source_->TryProcessingEvent(this);
// Caca uses a poll based event retrieval. Since we don't want to block we'd
// either need to spin up a new thread or just poll. For simplicity just poll
// for messages.
base::MessageLoop::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&CacaWindow::TryProcessingEvent,
weak_ptr_factory_.GetWeakPtr()),
base::TimeDelta::FromMilliseconds(10));
}
void CacaWindow::UpdateDisplaySize() {
physical_size_.SetSize(caca_get_canvas_width(canvas_.get()),
caca_get_canvas_height(canvas_.get()));
bitmap_size_.SetSize(caca_get_display_width(display_.get()),
caca_get_display_height(display_.get()));
}
void CacaWindow::OnCacaResize() {
UpdateDisplaySize();
delegate_->OnBoundsChanged(gfx::Rect(bitmap_size_));
}
void CacaWindow::OnCacaQuit() {
delegate_->OnCloseRequest();
}
void CacaWindow::OnCacaEvent(ui::Event* event) {
DispatchEventFromNativeUiEvent(
event, base::Bind(&PlatformWindowDelegate::DispatchEvent,
base::Unretained(delegate_)));
}
gfx::Rect CacaWindow::GetBounds() { return gfx::Rect(bitmap_size_); }
void CacaWindow::SetBounds(const gfx::Rect& bounds) {}
void CacaWindow::Show() {}
void CacaWindow::Hide() {}
void CacaWindow::Close() {}
void CacaWindow::SetCapture() {}
void CacaWindow::ReleaseCapture() {}
void CacaWindow::ToggleFullscreen() {}
void CacaWindow::Maximize() {}
void CacaWindow::Minimize() {}
void CacaWindow::Restore() {}
void CacaWindow::SetCursor(PlatformCursor cursor) {}
void CacaWindow::MoveCursorTo(const gfx::Point& location) {}
void CacaWindow::ConfineCursorToBounds(const gfx::Rect& bounds) {}
bool CacaWindow::CanDispatchEvent(const PlatformEvent& event) { return true; }
uint32_t CacaWindow::DispatchEvent(const PlatformEvent& ne) {
// We don't dispatch events via PlatformEventSource.
NOTREACHED();
return ui::POST_DISPATCH_STOP_PROPAGATION;
}
} // namespace ui
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