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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/ozone/platform/headless/headless_window.h"
#include <string>
#include "base/notreached.h"
#include "build/build_config.h"
#include "ui/base/cursor/platform_cursor.h"
#include "ui/display/screen.h"
#include "ui/display/types/display_constants.h"
#include "ui/events/platform/platform_event_source.h"
#include "ui/ozone/platform/headless/headless_window_manager.h"
namespace ui {
HeadlessWindow::HeadlessWindow(PlatformWindowDelegate* delegate,
HeadlessWindowManager* manager,
const gfx::Rect& bounds)
: delegate_(delegate), manager_(manager), bounds_(bounds) {
widget_ = manager_->AddWindow(this);
delegate->OnAcceleratedWidgetAvailable(widget_);
}
HeadlessWindow::~HeadlessWindow() {
manager_->RemoveWindow(widget_, this);
}
void HeadlessWindow::Show(bool inactive) {
visible_ = true;
}
void HeadlessWindow::Hide() {
visible_ = false;
}
void HeadlessWindow::Close() {
delegate_->OnClosed();
}
bool HeadlessWindow::IsVisible() const {
return visible_;
}
void HeadlessWindow::PrepareForShutdown() {}
void HeadlessWindow::SetBoundsInPixels(const gfx::Rect& bounds) {
UpdateBounds(bounds);
}
gfx::Rect HeadlessWindow::GetBoundsInPixels() const {
return bounds_;
}
void HeadlessWindow::SetBoundsInDIP(const gfx::Rect& bounds) {
SetBoundsInPixels(delegate_->ConvertRectToPixels(bounds));
}
gfx::Rect HeadlessWindow::GetBoundsInDIP() const {
return delegate_->ConvertRectToDIP(bounds_);
}
void HeadlessWindow::SetTitle(const std::u16string& title) {}
void HeadlessWindow::SetCapture() {}
void HeadlessWindow::ReleaseCapture() {}
bool HeadlessWindow::HasCapture() const {
return false;
}
void HeadlessWindow::SetFullscreen(bool fullscreen, int64_t target_display_id) {
DCHECK_EQ(target_display_id, display::kInvalidDisplayId);
if (!delegate_->CanFullscreen()) {
return;
}
if (fullscreen) {
if (window_state_ != PlatformWindowState::kMaximized &&
window_state_ != PlatformWindowState::kFullScreen) {
restored_bounds_ = bounds_;
}
ZoomWindowBounds();
UpdateWindowState(PlatformWindowState::kFullScreen);
} else {
if (window_state_ != PlatformWindowState::kFullScreen) {
return;
}
RestoreWindowBounds();
UpdateWindowState(PlatformWindowState::kNormal);
}
}
void HeadlessWindow::Maximize() {
if (!delegate_->CanMaximize()) {
return;
}
if (window_state_ != PlatformWindowState::kMaximized &&
window_state_ != PlatformWindowState::kFullScreen) {
restored_bounds_ = bounds_;
ZoomWindowBounds();
UpdateWindowState(PlatformWindowState::kMaximized);
}
}
void HeadlessWindow::Minimize() {
if (window_state_ != PlatformWindowState::kMinimized) {
// Minimized window retains its size and position, however, it's made
// hidden by Aura.
if (window_state_ == PlatformWindowState::kMaximized ||
window_state_ == PlatformWindowState::kFullScreen) {
RestoreWindowBounds();
}
UpdateWindowState(PlatformWindowState::kMinimized);
// Minimized windows are inactive. Aura activates minimized windows
// when restoring. If we don't deactivate the window here, the subsequent
// activation will be optimized away, causing https://crbug.com/358998544.
Deactivate();
}
}
void HeadlessWindow::Restore() {
if (window_state_ != PlatformWindowState::kNormal) {
RestoreWindowBounds();
UpdateWindowState(PlatformWindowState::kNormal);
}
}
PlatformWindowState HeadlessWindow::GetPlatformWindowState() const {
return window_state_;
}
void HeadlessWindow::Activate() {
if (activation_state_ != ActivationState::kActive) {
activation_state_ = ActivationState::kActive;
delegate_->OnActivationChanged(/*active=*/true);
}
}
void HeadlessWindow::Deactivate() {
if (activation_state_ != ActivationState::kInactive) {
activation_state_ = ActivationState::kInactive;
delegate_->OnActivationChanged(/*active=*/false);
}
}
void HeadlessWindow::SetUseNativeFrame(bool use_native_frame) {}
bool HeadlessWindow::ShouldUseNativeFrame() const {
NOTIMPLEMENTED_LOG_ONCE();
return false;
}
void HeadlessWindow::SetCursor(scoped_refptr<PlatformCursor> cursor) {}
void HeadlessWindow::MoveCursorTo(const gfx::Point& location) {}
void HeadlessWindow::ConfineCursorToBounds(const gfx::Rect& bounds) {}
void HeadlessWindow::SetRestoredBoundsInDIP(const gfx::Rect& bounds) {
restored_bounds_ = delegate_->ConvertRectToPixels(bounds);
}
gfx::Rect HeadlessWindow::GetRestoredBoundsInDIP() const {
return delegate_->ConvertRectToDIP(restored_bounds_.value_or(bounds_));
}
void HeadlessWindow::SetWindowIcons(const gfx::ImageSkia& window_icon,
const gfx::ImageSkia& app_icon) {}
void HeadlessWindow::SizeConstraintsChanged() {}
void HeadlessWindow::ZoomWindowBounds() {
gfx::Rect zoomed_bounds =
display::Screen::GetScreen()->GetDisplayMatching(bounds_).work_area();
UpdateBounds(zoomed_bounds);
}
void HeadlessWindow::RestoreWindowBounds() {
if (restored_bounds_) {
gfx::Rect restored_bounds = *restored_bounds_;
restored_bounds_.reset();
UpdateBounds(restored_bounds);
}
}
void HeadlessWindow::UpdateBounds(const gfx::Rect& bounds) {
// Even if the pixel bounds didn't change this call to the delegate should
// still happen. The device scale factor may have changed which effectively
// changes the bounds.
bool origin_changed = bounds_.origin() != bounds.origin();
bounds_ = bounds;
delegate_->OnBoundsChanged({origin_changed});
}
void HeadlessWindow::UpdateWindowState(PlatformWindowState new_window_state) {
DCHECK_NE(window_state_, new_window_state);
auto old_window_state = window_state_;
window_state_ = new_window_state;
delegate_->OnWindowStateChanged(old_window_state, new_window_state);
}
} // namespace ui
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