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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 "ui/aura/window_tree_host_win.h"
#include <windows.h>
#include <algorithm>
#include "base/message_loop/message_loop.h"
#include "ui/aura/client/cursor_client.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/base/cursor/cursor_loader_win.h"
#include "ui/base/view_prop.h"
#include "ui/compositor/compositor.h"
#include "ui/events/event.h"
#include "ui/gfx/display.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/screen.h"
#include "ui/platform_window/win/win_window.h"
using std::max;
using std::min;
namespace aura {
namespace {
bool use_popup_as_root_window_for_test = false;
} // namespace
// static
WindowTreeHost* WindowTreeHost::Create(const gfx::Rect& bounds) {
return new WindowTreeHostWin(bounds);
}
// static
gfx::Size WindowTreeHost::GetNativeScreenSize() {
return gfx::Size(GetSystemMetrics(SM_CXSCREEN),
GetSystemMetrics(SM_CYSCREEN));
}
WindowTreeHostWin::WindowTreeHostWin(const gfx::Rect& bounds)
: has_capture_(false),
widget_(gfx::kNullAcceleratedWidget),
window_(new ui::WinWindow(this, bounds)) {
}
WindowTreeHostWin::~WindowTreeHostWin() {
DestroyCompositor();
DestroyDispatcher();
window_.reset();
}
ui::EventSource* WindowTreeHostWin::GetEventSource() {
return this;
}
gfx::AcceleratedWidget WindowTreeHostWin::GetAcceleratedWidget() {
return widget_;
}
void WindowTreeHostWin::Show() {
window_->Show();
}
void WindowTreeHostWin::Hide() {
window_->Hide();
}
gfx::Rect WindowTreeHostWin::GetBounds() const {
return window_->GetBounds();
}
void WindowTreeHostWin::SetBounds(const gfx::Rect& bounds) {
window_->SetBounds(bounds);
}
gfx::Point WindowTreeHostWin::GetLocationOnNativeScreen() const {
return window_->GetBounds().origin();
}
void WindowTreeHostWin::SetCapture() {
if (!has_capture_) {
has_capture_ = true;
window_->SetCapture();
}
}
void WindowTreeHostWin::ReleaseCapture() {
if (has_capture_)
window_->ReleaseCapture();
}
void WindowTreeHostWin::SetCursorNative(gfx::NativeCursor native_cursor) {
// Custom web cursors are handled directly.
if (native_cursor == ui::kCursorCustom)
return;
ui::CursorLoaderWin cursor_loader;
cursor_loader.SetPlatformCursor(&native_cursor);
::SetCursor(native_cursor.platform());
}
void WindowTreeHostWin::MoveCursorToNative(const gfx::Point& location) {
// Deliberately not implemented.
}
void WindowTreeHostWin::OnCursorVisibilityChangedNative(bool show) {
NOTIMPLEMENTED();
}
ui::EventProcessor* WindowTreeHostWin::GetEventProcessor() {
return dispatcher();
}
void WindowTreeHostWin::OnBoundsChanged(const gfx::Rect& new_bounds) {
gfx::Rect old_bounds = bounds_;
bounds_ = new_bounds;
if (bounds_.origin() != old_bounds.origin())
OnHostMoved(bounds_.origin());
if (bounds_.size() != old_bounds.size())
OnHostResized(bounds_.size());
}
void WindowTreeHostWin::OnDamageRect(const gfx::Rect& damage_rect) {
compositor()->ScheduleRedrawRect(damage_rect);
}
void WindowTreeHostWin::DispatchEvent(ui::Event* event) {
ui::EventDispatchDetails details = SendEventToProcessor(event);
if (details.dispatcher_destroyed)
event->SetHandled();
}
void WindowTreeHostWin::OnCloseRequest() {
// TODO: this obviously shouldn't be here.
base::MessageLoopForUI::current()->Quit();
}
void WindowTreeHostWin::OnClosed() {
}
void WindowTreeHostWin::OnWindowStateChanged(
ui::PlatformWindowState new_state) {
}
void WindowTreeHostWin::OnLostCapture() {
if (has_capture_) {
has_capture_ = false;
OnHostLostWindowCapture();
}
}
void WindowTreeHostWin::OnAcceleratedWidgetAvailable(
gfx::AcceleratedWidget widget) {
widget_ = widget;
CreateCompositor(widget);
}
void WindowTreeHostWin::OnActivationChanged(bool active) {
if (active)
OnHostActivated();
}
} // namespace aura
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