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// Copyright 2014 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/host/ash_window_tree_host.h"
#include "ash/ash_export.h"
#include "ash/ash_switches.h"
#include "ash/host/ash_remote_window_tree_host_win.h"
#include "ash/host/ash_window_tree_host_init_params.h"
#include "ash/host/root_window_transformer.h"
#include "ash/host/transformer_helper.h"
#include "ash/ime/input_method_event_handler.h"
#include "base/command_line.h"
#include "base/win/windows_version.h"
#include "ui/aura/window_tree_host_platform.h"
#include "ui/events/event_processor.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/transform.h"
namespace ash {
namespace {
class AshWindowTreeHostWin : public AshWindowTreeHost,
public aura::WindowTreeHostPlatform {
public:
explicit AshWindowTreeHostWin(const gfx::Rect& initial_bounds)
: aura::WindowTreeHostPlatform(initial_bounds),
fullscreen_(false),
saved_window_style_(0),
saved_window_ex_style_(0),
transformer_helper_(this) {
transformer_helper_.Init();
}
~AshWindowTreeHostWin() override {}
private:
// AshWindowTreeHost:
void ToggleFullScreen() override {
gfx::Rect target_rect;
gfx::AcceleratedWidget hwnd = GetAcceleratedWidget();
if (!fullscreen_) {
fullscreen_ = true;
saved_window_style_ = GetWindowLong(hwnd, GWL_STYLE);
saved_window_ex_style_ = GetWindowLong(hwnd, GWL_EXSTYLE);
GetWindowRect(hwnd, &saved_window_rect_);
SetWindowLong(hwnd, GWL_STYLE,
saved_window_style_ & ~(WS_CAPTION | WS_THICKFRAME));
SetWindowLong(hwnd, GWL_EXSTYLE,
saved_window_ex_style_ &
~(WS_EX_DLGMODALFRAME | WS_EX_WINDOWEDGE |
WS_EX_CLIENTEDGE | WS_EX_STATICEDGE));
MONITORINFO mi;
mi.cbSize = sizeof(mi);
GetMonitorInfo(MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST), &mi);
target_rect = gfx::Rect(mi.rcMonitor);
} else {
fullscreen_ = false;
SetWindowLong(hwnd, GWL_STYLE, saved_window_style_);
SetWindowLong(hwnd, GWL_EXSTYLE, saved_window_ex_style_);
target_rect = gfx::Rect(saved_window_rect_);
}
SetWindowPos(hwnd, NULL, target_rect.x(), target_rect.y(),
target_rect.width(), target_rect.height(),
SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED);
}
bool ConfineCursorToRootWindow() override { return false; }
void UnConfineCursor() override { NOTIMPLEMENTED(); }
void SetRootWindowTransformer(
scoped_ptr<RootWindowTransformer> transformer) override {
transformer_helper_.SetRootWindowTransformer(transformer.Pass());
}
gfx::Insets GetHostInsets() const override {
return transformer_helper_.GetHostInsets();
}
aura::WindowTreeHost* AsWindowTreeHost() override { return this; }
// WindowTreeHost:
void SetBounds(const gfx::Rect& bounds) override {
if (fullscreen_) {
saved_window_rect_.right = saved_window_rect_.left + bounds.width();
saved_window_rect_.bottom = saved_window_rect_.top + bounds.height();
return;
}
aura::WindowTreeHostPlatform::SetBounds(bounds);
}
void SetRootTransform(const gfx::Transform& transform) override {
transformer_helper_.SetTransform(transform);
}
gfx::Transform GetRootTransform() const override {
return transformer_helper_.GetTransform();
}
gfx::Transform GetInverseRootTransform() const override {
return transformer_helper_.GetInverseTransform();
}
void UpdateRootWindowSize(const gfx::Size& host_size) override {
transformer_helper_.UpdateWindowSize(host_size);
}
// ui::internal::InputMethodDelegate:
ui::EventDispatchDetails DispatchKeyEventPostIME(
ui::KeyEvent* event) override {
input_method_handler()->SetPostIME(true);
ui::EventDispatchDetails details =
event_processor()->OnEventFromSource(event);
if (!details.dispatcher_destroyed)
input_method_handler()->SetPostIME(false);
return details;
}
bool fullscreen_;
RECT saved_window_rect_;
DWORD saved_window_style_;
DWORD saved_window_ex_style_;
TransformerHelper transformer_helper_;
DISALLOW_COPY_AND_ASSIGN(AshWindowTreeHostWin);
};
} // namespace
AshWindowTreeHost* AshWindowTreeHost::Create(
const AshWindowTreeHostInitParams& init_params) {
if (base::win::GetVersion() >= base::win::VERSION_WIN7 &&
!base::CommandLine::ForCurrentProcess()->HasSwitch(
ash::switches::kForceAshToDesktop))
return new AshRemoteWindowTreeHostWin(init_params.remote_hwnd);
return new AshWindowTreeHostWin(init_params.initial_bounds);
}
} // namespace ash
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