| // Copyright 2016 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ash/host/ash_window_tree_host_platform.h" |
| #include "base/memory/raw_ptr.h" |
| |
| #include <utility> |
| |
| #include "ash/host/ash_window_tree_host_delegate.h" |
| #include "ash/host/root_window_transformer.h" |
| #include "ash/host/transformer_helper.h" |
| #include "base/feature_list.h" |
| #include "base/trace_event/trace_event.h" |
| #include "ui/aura/null_window_targeter.h" |
| #include "ui/aura/window.h" |
| #include "ui/aura/window_tree_host_platform.h" |
| #include "ui/events/event_sink.h" |
| #include "ui/events/null_event_targeter.h" |
| #include "ui/events/ozone/chromeos/cursor_controller.h" |
| #include "ui/gfx/geometry/insets.h" |
| #include "ui/gfx/geometry/rect_conversions.h" |
| #include "ui/gfx/geometry/rect_f.h" |
| #include "ui/gfx/geometry/transform.h" |
| #include "ui/ozone/public/ozone_platform.h" |
| #include "ui/platform_window/platform_window.h" |
| #include "ui/platform_window/platform_window_init_properties.h" |
| |
| namespace ash { |
| |
| class ScopedEnableUnadjustedMouseEventsOzone |
| : public aura::ScopedEnableUnadjustedMouseEvents { |
| public: |
| explicit ScopedEnableUnadjustedMouseEventsOzone( |
| ui::InputController* input_controller) |
| : input_controller_(input_controller) { |
| input_controller_->SuspendMouseAcceleration(); |
| } |
| |
| ~ScopedEnableUnadjustedMouseEventsOzone() override { |
| input_controller_->EndMouseAccelerationSuspension(); |
| } |
| |
| private: |
| raw_ptr<ui::InputController> input_controller_; |
| }; |
| |
| AshWindowTreeHostPlatform::AshWindowTreeHostPlatform( |
| ui::PlatformWindowInitProperties properties, |
| AshWindowTreeHostDelegate* delegate) |
| : aura::WindowTreeHostPlatform(std::move(properties), |
| std::make_unique<aura::Window>(nullptr)), |
| delegate_(delegate), |
| transformer_helper_(this), |
| input_controller_( |
| ui::OzonePlatform::GetInstance()->GetInputController()) { |
| DCHECK(delegate_); |
| CommonInit(); |
| } |
| |
| AshWindowTreeHostPlatform::AshWindowTreeHostPlatform( |
| std::unique_ptr<ui::PlatformWindow> platform_window, |
| AshWindowTreeHostDelegate* delegate, |
| size_t compositor_memory_limit_mb) |
| : aura::WindowTreeHostPlatform(std::make_unique<aura::Window>(nullptr)), |
| delegate_(delegate), |
| transformer_helper_(this) { |
| DCHECK(delegate_); |
| CreateCompositor(/* force_software_compositor */ false, |
| /* use_external_begin_frame_control */ false, |
| /* enable_compositing_based_throttling */ false, |
| compositor_memory_limit_mb); |
| SetPlatformWindow(std::move(platform_window)); |
| CommonInit(); |
| } |
| |
| AshWindowTreeHostPlatform::~AshWindowTreeHostPlatform() = default; |
| |
| void AshWindowTreeHostPlatform::ConfineCursorToRootWindow() { |
| if (!allow_confine_cursor()) |
| return; |
| |
| gfx::Rect confined_bounds(GetBoundsInPixels().size()); |
| confined_bounds.Inset(transformer_helper_.GetHostInsets()); |
| last_cursor_confine_bounds_in_pixels_ = confined_bounds; |
| platform_window()->ConfineCursorToBounds(confined_bounds); |
| } |
| |
| void AshWindowTreeHostPlatform::ConfineCursorToBoundsInRoot( |
| const gfx::Rect& bounds_in_root) { |
| if (!allow_confine_cursor()) |
| return; |
| |
| last_cursor_confine_bounds_in_pixels_ = |
| GetRootTransform().MapRect(bounds_in_root); |
| platform_window()->ConfineCursorToBounds( |
| last_cursor_confine_bounds_in_pixels_); |
| } |
| |
| gfx::Rect AshWindowTreeHostPlatform::GetLastCursorConfineBoundsInPixels() |
| const { |
| return last_cursor_confine_bounds_in_pixels_; |
| } |
| |
| void AshWindowTreeHostPlatform::UpdateCursorConfig() { |
| const display::Display* display = delegate_->GetDisplayById(GetDisplayId()); |
| if (!display) { |
| LOG(ERROR) |
| << "While updating cursor config, could not find display with id=" |
| << GetDisplayId(); |
| return; |
| } |
| |
| // Scale all motion on High-DPI displays. |
| float scale = display->device_scale_factor(); |
| |
| if (!display->IsInternal()) |
| scale *= 1.2; |
| |
| ui::CursorController::GetInstance()->SetCursorConfigForWindow( |
| GetAcceleratedWidget(), display->panel_rotation(), scale); |
| } |
| |
| void AshWindowTreeHostPlatform::ClearCursorConfig() { |
| ui::CursorController::GetInstance()->ClearCursorConfigForWindow( |
| GetAcceleratedWidget()); |
| } |
| |
| void AshWindowTreeHostPlatform::UpdateRootWindowSize() { |
| aura::WindowTreeHostPlatform::UpdateRootWindowSize(); |
| } |
| |
| void AshWindowTreeHostPlatform::SetRootWindowTransformer( |
| std::unique_ptr<RootWindowTransformer> transformer) { |
| transformer_helper_.SetRootWindowTransformer(std::move(transformer)); |
| ConfineCursorToRootWindow(); |
| } |
| |
| gfx::Insets AshWindowTreeHostPlatform::GetHostInsets() const { |
| return transformer_helper_.GetHostInsets(); |
| } |
| |
| aura::WindowTreeHost* AshWindowTreeHostPlatform::AsWindowTreeHost() { |
| return this; |
| } |
| |
| void AshWindowTreeHostPlatform::PrepareForShutdown() { |
| // Block the root window from dispatching events because it is weird for a |
| // ScreenPositionClient not to be attached to the root window and for |
| // ui::EventHandlers to be unable to convert the event's location to screen |
| // coordinates. |
| window()->SetEventTargeter(std::make_unique<aura::NullWindowTargeter>()); |
| |
| // Do anything platform specific necessary before shutdown (eg. stop |
| // listening for configuration XEvents). |
| platform_window()->PrepareForShutdown(); |
| } |
| |
| void AshWindowTreeHostPlatform::SetRootTransform( |
| const gfx::Transform& transform) { |
| transformer_helper_.SetTransform(transform); |
| } |
| |
| gfx::Transform AshWindowTreeHostPlatform::GetRootTransform() const { |
| return transformer_helper_.GetTransform(); |
| } |
| |
| gfx::Transform AshWindowTreeHostPlatform::GetInverseRootTransform() const { |
| return transformer_helper_.GetInverseTransform(); |
| } |
| |
| gfx::Rect |
| AshWindowTreeHostPlatform::GetTransformedRootWindowBoundsFromPixelSize( |
| const gfx::Size& host_size_in_pixels) const { |
| return transformer_helper_.GetTransformedWindowBounds(host_size_in_pixels); |
| } |
| |
| void AshWindowTreeHostPlatform::OnCursorVisibilityChangedNative(bool show) { |
| SetTapToClickPaused(!show); |
| } |
| |
| void AshWindowTreeHostPlatform::SetBoundsInPixels(const gfx::Rect& bounds) { |
| WindowTreeHostPlatform::SetBoundsInPixels(bounds); |
| ConfineCursorToRootWindow(); |
| } |
| |
| void AshWindowTreeHostPlatform::CommonInit() { |
| transformer_helper_.Init(); |
| } |
| |
| void AshWindowTreeHostPlatform::SetTapToClickPaused(bool state) { |
| // Temporarily pause tap-to-click when the cursor is hidden. |
| ui::OzonePlatform::GetInstance()->GetInputController()->SetTapToClickPaused( |
| state); |
| } |
| |
| std::unique_ptr<aura::ScopedEnableUnadjustedMouseEvents> |
| AshWindowTreeHostPlatform::RequestUnadjustedMovement() { |
| return std::make_unique<ScopedEnableUnadjustedMouseEventsOzone>( |
| input_controller_); |
| } |
| |
| void AshWindowTreeHostPlatform::OnDamageRect(const gfx::Rect& damage_rect) { |
| if (ignore_platform_damage_rect_for_test_) { |
| return; |
| } |
| return aura::WindowTreeHostPlatform::OnDamageRect(damage_rect); |
| } |
| |
| void AshWindowTreeHostPlatform::DispatchEvent(ui::Event* event) { |
| TRACE_EVENT0("input", "AshWindowTreeHostPlatform::DispatchEvent"); |
| if (event->IsLocatedEvent()) |
| TranslateLocatedEvent(event->AsLocatedEvent()); |
| return aura::WindowTreeHostPlatform::DispatchEvent(event); |
| } |
| |
| } // namespace ash |