| // Copyright 2017 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 "ash/wm/native_cursor_manager_ash.h" |
| |
| #include "ash/display/cursor_window_controller.h" |
| #include "ash/display/window_tree_host_manager.h" |
| #include "ash/shell.h" |
| #include "base/logging.h" |
| #include "ui/aura/env.h" |
| #include "ui/aura/window_event_dispatcher.h" |
| #include "ui/aura/window_tree_host.h" |
| #include "ui/base/cursor/cursor.h" |
| #include "ui/base/cursor/image_cursors.h" |
| #include "ui/base/layout.h" |
| #include "ui/wm/core/native_cursor_manager_delegate.h" |
| |
| namespace ash { |
| namespace { |
| |
| void SetCursorOnAllRootWindows(gfx::NativeCursor cursor) { |
| aura::Window::Windows root_windows = Shell::Get()->GetAllRootWindows(); |
| for (aura::Window::Windows::iterator iter = root_windows.begin(); |
| iter != root_windows.end(); ++iter) |
| (*iter)->GetHost()->SetCursor(cursor); |
| |
| Shell::Get() |
| ->window_tree_host_manager() |
| ->cursor_window_controller() |
| ->SetCursor(cursor); |
| } |
| |
| void NotifyCursorVisibilityChange(bool visible) { |
| aura::Window::Windows root_windows = Shell::Get()->GetAllRootWindows(); |
| for (aura::Window::Windows::iterator iter = root_windows.begin(); |
| iter != root_windows.end(); ++iter) |
| (*iter)->GetHost()->OnCursorVisibilityChanged(visible); |
| |
| Shell::Get() |
| ->window_tree_host_manager() |
| ->cursor_window_controller() |
| ->SetVisibility(visible); |
| } |
| |
| void NotifyMouseEventsEnableStateChange(bool enabled) { |
| aura::Window::Windows root_windows = Shell::Get()->GetAllRootWindows(); |
| for (aura::Window::Windows::iterator iter = root_windows.begin(); |
| iter != root_windows.end(); ++iter) |
| (*iter)->GetHost()->dispatcher()->OnMouseEventsEnableStateChanged(enabled); |
| // Mirror window never process events. |
| } |
| |
| } // namespace |
| |
| NativeCursorManagerAsh::NativeCursorManagerAsh() |
| : native_cursor_enabled_(true), image_cursors_(new ui::ImageCursors) {} |
| |
| NativeCursorManagerAsh::~NativeCursorManagerAsh() = default; |
| |
| void NativeCursorManagerAsh::SetNativeCursorEnabled(bool enabled) { |
| native_cursor_enabled_ = enabled; |
| |
| ::wm::CursorManager* cursor_manager = Shell::Get()->cursor_manager(); |
| SetCursor(cursor_manager->GetCursor(), cursor_manager); |
| } |
| |
| float NativeCursorManagerAsh::GetScale() const { |
| return image_cursors_->GetScale(); |
| } |
| |
| display::Display::Rotation NativeCursorManagerAsh::GetRotation() const { |
| return image_cursors_->GetRotation(); |
| } |
| |
| void NativeCursorManagerAsh::SetDisplay( |
| const display::Display& display, |
| ::wm::NativeCursorManagerDelegate* delegate) { |
| DCHECK(display.is_valid()); |
| // Use the platform's device scale factor instead of the display's, which |
| // might have been adjusted for the UI scale. |
| const float original_scale = Shell::Get() |
| ->display_manager() |
| ->GetDisplayInfo(display.id()) |
| .device_scale_factor(); |
| // And use the nearest resource scale factor. |
| const float cursor_scale = |
| ui::GetScaleForScaleFactor(ui::GetSupportedScaleFactor(original_scale)); |
| |
| if (image_cursors_->SetDisplay(display, cursor_scale)) |
| SetCursor(delegate->GetCursor(), delegate); |
| |
| Shell::Get() |
| ->window_tree_host_manager() |
| ->cursor_window_controller() |
| ->SetDisplay(display); |
| } |
| |
| void NativeCursorManagerAsh::SetCursor( |
| gfx::NativeCursor cursor, |
| ::wm::NativeCursorManagerDelegate* delegate) { |
| if (native_cursor_enabled_) { |
| image_cursors_->SetPlatformCursor(&cursor); |
| } else { |
| gfx::NativeCursor invisible_cursor(ui::CursorType::kNone); |
| image_cursors_->SetPlatformCursor(&invisible_cursor); |
| cursor.SetPlatformCursor(invisible_cursor.platform()); |
| } |
| cursor.set_device_scale_factor(image_cursors_->GetScale()); |
| |
| delegate->CommitCursor(cursor); |
| |
| if (delegate->IsCursorVisible()) |
| SetCursorOnAllRootWindows(cursor); |
| } |
| |
| void NativeCursorManagerAsh::SetCursorSize( |
| ui::CursorSize cursor_size, |
| ::wm::NativeCursorManagerDelegate* delegate) { |
| image_cursors_->SetCursorSize(cursor_size); |
| delegate->CommitCursorSize(cursor_size); |
| |
| // Sets the cursor to reflect the scale change immediately. |
| if (delegate->IsCursorVisible()) |
| SetCursor(delegate->GetCursor(), delegate); |
| |
| Shell::Get() |
| ->window_tree_host_manager() |
| ->cursor_window_controller() |
| ->SetCursorSize(cursor_size); |
| } |
| |
| void NativeCursorManagerAsh::SetVisibility( |
| bool visible, |
| ::wm::NativeCursorManagerDelegate* delegate) { |
| delegate->CommitVisibility(visible); |
| |
| if (visible) { |
| SetCursor(delegate->GetCursor(), delegate); |
| } else { |
| gfx::NativeCursor invisible_cursor(ui::CursorType::kNone); |
| image_cursors_->SetPlatformCursor(&invisible_cursor); |
| SetCursorOnAllRootWindows(invisible_cursor); |
| } |
| |
| NotifyCursorVisibilityChange(visible); |
| } |
| |
| void NativeCursorManagerAsh::SetMouseEventsEnabled( |
| bool enabled, |
| ::wm::NativeCursorManagerDelegate* delegate) { |
| delegate->CommitMouseEventsEnabled(enabled); |
| |
| if (enabled) |
| Shell::Get()->aura_env()->SetLastMouseLocation(disabled_cursor_location_); |
| else |
| disabled_cursor_location_ = Shell::Get()->aura_env()->last_mouse_location(); |
| |
| SetVisibility(delegate->IsCursorVisible(), delegate); |
| NotifyMouseEventsEnableStateChange(enabled); |
| } |
| |
| } // namespace ash |