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// Copyright 2017 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/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/check.h"
#include "ui/aura/client/cursor_shape_client.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/mojom/cursor_type.mojom-shared.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) {
aura::client::SetCursorShapeClient(&cursor_loader_);
}
NativeCursorManagerAsh::~NativeCursorManagerAsh() {
aura::client::SetCursorShapeClient(nullptr);
}
void NativeCursorManagerAsh::SetNativeCursorEnabled(bool enabled) {
native_cursor_enabled_ = enabled;
::wm::CursorManager* cursor_manager = Shell::Get()->cursor_manager();
SetCursor(cursor_manager->GetCursor(), cursor_manager);
}
display::Display::Rotation NativeCursorManagerAsh::GetRotation() const {
return cursor_loader_.rotation();
}
void NativeCursorManagerAsh::SetDisplay(
const display::Display& display,
::wm::NativeCursorManagerDelegate* delegate) {
if (cursor_loader_.SetDisplay(display)) {
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_) {
cursor_loader_.SetPlatformCursor(&cursor);
} else {
gfx::NativeCursor invisible_cursor(ui::mojom::CursorType::kNone);
cursor_loader_.SetPlatformCursor(&invisible_cursor);
cursor.SetPlatformCursor(invisible_cursor.platform());
}
delegate->CommitCursor(cursor);
if (delegate->IsCursorVisible())
SetCursorOnAllRootWindows(cursor);
}
void NativeCursorManagerAsh::SetCursorSize(
ui::CursorSize cursor_size,
::wm::NativeCursorManagerDelegate* delegate) {
cursor_loader_.SetSize(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::mojom::CursorType::kNone);
cursor_loader_.SetPlatformCursor(&invisible_cursor);
SetCursorOnAllRootWindows(invisible_cursor);
}
NotifyCursorVisibilityChange(visible);
}
void NativeCursorManagerAsh::SetMouseEventsEnabled(
bool enabled,
::wm::NativeCursorManagerDelegate* delegate) {
delegate->CommitMouseEventsEnabled(enabled);
if (enabled)
aura::Env::GetInstance()->SetLastMouseLocation(disabled_cursor_location_);
else
disabled_cursor_location_ = aura::Env::GetInstance()->last_mouse_location();
SetVisibility(delegate->IsCursorVisible(), delegate);
NotifyMouseEventsEnableStateChange(enabled);
}
} // namespace ash
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