| // Copyright (c) 2012 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/ash_native_cursor_manager.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" |
| |
| namespace ash { |
| namespace { |
| |
| void SetCursorOnAllRootWindows(gfx::NativeCursor cursor) { |
| aura::Window::Windows root_windows = |
| Shell::GetInstance()->GetAllRootWindows(); |
| for (aura::Window::Windows::iterator iter = root_windows.begin(); |
| iter != root_windows.end(); ++iter) |
| (*iter)->GetHost()->SetCursor(cursor); |
| #if defined(OS_CHROMEOS) |
| Shell::GetInstance() |
| ->window_tree_host_manager() |
| ->cursor_window_controller() |
| ->SetCursor(cursor); |
| #endif |
| } |
| |
| void NotifyCursorVisibilityChange(bool visible) { |
| aura::Window::Windows root_windows = |
| Shell::GetInstance()->GetAllRootWindows(); |
| for (aura::Window::Windows::iterator iter = root_windows.begin(); |
| iter != root_windows.end(); ++iter) |
| (*iter)->GetHost()->OnCursorVisibilityChanged(visible); |
| #if defined(OS_CHROMEOS) |
| Shell::GetInstance() |
| ->window_tree_host_manager() |
| ->cursor_window_controller() |
| ->SetVisibility(visible); |
| #endif |
| } |
| |
| void NotifyMouseEventsEnableStateChange(bool enabled) { |
| aura::Window::Windows root_windows = |
| Shell::GetInstance()->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 |
| |
| AshNativeCursorManager::AshNativeCursorManager() |
| : native_cursor_enabled_(true), |
| image_cursors_(new ui::ImageCursors) { |
| } |
| |
| AshNativeCursorManager::~AshNativeCursorManager() { |
| } |
| |
| |
| void AshNativeCursorManager::SetNativeCursorEnabled(bool enabled) { |
| native_cursor_enabled_ = enabled; |
| |
| ::wm::CursorManager* cursor_manager = |
| Shell::GetInstance()->cursor_manager(); |
| SetCursor(cursor_manager->GetCursor(), cursor_manager); |
| } |
| |
| void AshNativeCursorManager::SetDisplay( |
| const gfx::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::GetInstance()->display_manager()-> |
| GetDisplayInfo(display.id()).device_scale_factor(); |
| #if defined(OS_CHROMEOS) |
| // And use the nearest resource scale factor. |
| const float cursor_scale = ui::GetScaleForScaleFactor( |
| ui::GetSupportedScaleFactor(original_scale)); |
| #else |
| // TODO(oshima): crbug.com/143619 |
| const float cursor_scale = original_scale; |
| #endif |
| if (image_cursors_->SetDisplay(display, cursor_scale)) |
| SetCursor(delegate->GetCursor(), delegate); |
| #if defined(OS_CHROMEOS) |
| Shell::GetInstance() |
| ->window_tree_host_manager() |
| ->cursor_window_controller() |
| ->SetDisplay(display); |
| #endif |
| } |
| |
| void AshNativeCursorManager::SetCursor( |
| gfx::NativeCursor cursor, |
| ::wm::NativeCursorManagerDelegate* delegate) { |
| if (native_cursor_enabled_) { |
| image_cursors_->SetPlatformCursor(&cursor); |
| } else { |
| gfx::NativeCursor invisible_cursor(ui::kCursorNone); |
| image_cursors_->SetPlatformCursor(&invisible_cursor); |
| if (cursor == ui::kCursorCustom) { |
| // Fall back to the default pointer cursor for now. (crbug.com/476078) |
| // TODO(oshima): support custom cursor. |
| cursor = ui::kCursorPointer; |
| } else { |
| cursor.SetPlatformCursor(invisible_cursor.platform()); |
| } |
| } |
| cursor.set_device_scale_factor(image_cursors_->GetScale()); |
| |
| delegate->CommitCursor(cursor); |
| |
| if (delegate->IsCursorVisible()) |
| SetCursorOnAllRootWindows(cursor); |
| } |
| |
| void AshNativeCursorManager::SetCursorSet( |
| ui::CursorSetType cursor_set, |
| ::wm::NativeCursorManagerDelegate* delegate) { |
| image_cursors_->SetCursorSet(cursor_set); |
| delegate->CommitCursorSet(cursor_set); |
| |
| // Sets the cursor to reflect the scale change immediately. |
| if (delegate->IsCursorVisible()) |
| SetCursor(delegate->GetCursor(), delegate); |
| |
| #if defined(OS_CHROMEOS) |
| Shell::GetInstance() |
| ->window_tree_host_manager() |
| ->cursor_window_controller() |
| ->SetCursorSet(cursor_set); |
| #endif |
| } |
| |
| void AshNativeCursorManager::SetVisibility( |
| bool visible, |
| ::wm::NativeCursorManagerDelegate* delegate) { |
| delegate->CommitVisibility(visible); |
| |
| if (visible) { |
| SetCursor(delegate->GetCursor(), delegate); |
| } else { |
| gfx::NativeCursor invisible_cursor(ui::kCursorNone); |
| image_cursors_->SetPlatformCursor(&invisible_cursor); |
| SetCursorOnAllRootWindows(invisible_cursor); |
| } |
| |
| NotifyCursorVisibilityChange(visible); |
| } |
| |
| void AshNativeCursorManager::SetMouseEventsEnabled( |
| bool enabled, |
| ::wm::NativeCursorManagerDelegate* delegate) { |
| delegate->CommitMouseEventsEnabled(enabled); |
| |
| if (enabled) { |
| aura::Env::GetInstance()->set_last_mouse_location( |
| disabled_cursor_location_); |
| } else { |
| disabled_cursor_location_ = aura::Env::GetInstance()->last_mouse_location(); |
| } |
| |
| SetVisibility(delegate->IsCursorVisible(), delegate); |
| NotifyMouseEventsEnableStateChange(enabled); |
| } |
| |
| } // namespace ash |