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// 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/shell.h"
#include "ash/wm/image_cursors.h"
#include "base/logging.h"
#include "ui/aura/env.h"
#include "ui/aura/root_window.h"
#include "ui/base/cursor/cursor.h"
namespace {
// The coordinate of the cursor used when the mouse events are disabled.
const int kDisabledCursorLocationX = -10000;
const int kDisabledCursorLocationY = -10000;
void SetCursorOnAllRootWindows(gfx::NativeCursor cursor) {
ash::Shell::RootWindowList root_windows =
ash::Shell::GetInstance()->GetAllRootWindows();
for (ash::Shell::RootWindowList::iterator iter = root_windows.begin();
iter != root_windows.end(); ++iter)
(*iter)->SetCursor(cursor);
}
void NotifyCursorVisibilityChange(bool visible) {
ash::Shell::RootWindowList root_windows =
ash::Shell::GetInstance()->GetAllRootWindows();
for (ash::Shell::RootWindowList::iterator iter = root_windows.begin();
iter != root_windows.end(); ++iter)
(*iter)->OnCursorVisibilityChanged(visible);
}
void NotifyMouseEventsEnableStateChange(bool enabled) {
ash::Shell::RootWindowList root_windows =
ash::Shell::GetInstance()->GetAllRootWindows();
for (ash::Shell::RootWindowList::iterator iter = root_windows.begin();
iter != root_windows.end(); ++iter)
(*iter)->OnMouseEventsEnableStateChanged(enabled);
}
} // namespace
namespace ash {
AshNativeCursorManager::AshNativeCursorManager()
: image_cursors_(new ImageCursors) {
}
AshNativeCursorManager::~AshNativeCursorManager() {
}
void AshNativeCursorManager::SetDisplay(
const gfx::Display& display,
views::corewm::NativeCursorManagerDelegate* delegate) {
if (image_cursors_->SetDisplay(display))
SetCursor(delegate->GetCurrentCursor(), delegate);
}
void AshNativeCursorManager::SetCursor(
gfx::NativeCursor cursor,
views::corewm::NativeCursorManagerDelegate* delegate) {
gfx::NativeCursor new_cursor = cursor;
image_cursors_->SetPlatformCursor(&new_cursor);
new_cursor.set_device_scale_factor(
image_cursors_->GetDisplay().device_scale_factor());
delegate->CommitCursor(new_cursor);
if (delegate->GetCurrentVisibility())
SetCursorOnAllRootWindows(new_cursor);
}
void AshNativeCursorManager::SetVisibility(
bool visible,
views::corewm::NativeCursorManagerDelegate* delegate) {
delegate->CommitVisibility(visible);
if (visible) {
SetCursor(delegate->GetCurrentCursor(), delegate);
} else {
gfx::NativeCursor invisible_cursor(ui::kCursorNone);
image_cursors_->SetPlatformCursor(&invisible_cursor);
SetCursorOnAllRootWindows(invisible_cursor);
}
NotifyCursorVisibilityChange(visible);
}
void AshNativeCursorManager::SetMouseEventsEnabled(
bool enabled,
views::corewm::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();
aura::Env::GetInstance()->set_last_mouse_location(
gfx::Point(kDisabledCursorLocationX, kDisabledCursorLocationY));
}
SetVisibility(delegate->GetCurrentVisibility(), delegate);
NotifyMouseEventsEnableStateChange(enabled);
}
void AshNativeCursorManager::SetCursorResourceModule(
const base::string16& module_name) {
image_cursors_->SetCursorResourceModule(module_name);
}
} // namespace ash
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