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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 "components/exo/xdg_shell_surface.h"
#include "ash/frame/non_client_frame_view_ash.h"
#include "chromeos/ui/base/window_properties.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/views/window/caption_button_layout_constants.h"
namespace exo {
////////////////////////////////////////////////////////////////////////////////
// XdgShellSurface, public:
XdgShellSurface::XdgShellSurface(Surface* surface,
const gfx::Point& origin,
bool can_minimize,
int container)
: ShellSurface(surface, origin, can_minimize, container) {}
XdgShellSurface::~XdgShellSurface() {}
void XdgShellSurface::OverrideInitParams(views::Widget::InitParams* params) {
DCHECK(params);
// Auto-maximize can override the initial show_state, if it's enabled via
// window property.
bool auto_maximize_enabled = params->init_properties_container.GetProperty(
chromeos::kAutoMaximizeXdgShellEnabled);
if (auto_maximize_enabled && ShouldAutoMaximize())
params->show_state = ui::SHOW_STATE_MAXIMIZED;
}
bool XdgShellSurface::ShouldAutoMaximize() {
if (initial_show_state() != ui::SHOW_STATE_DEFAULT || is_popup_ ||
!CanMaximize())
return false;
DCHECK(!widget_);
gfx::Size work_area_size = display::Screen::GetScreen()
->GetDisplayNearestWindow(host_window())
.work_area_size();
DCHECK(!work_area_size.IsEmpty());
gfx::Rect window_bounds = GetVisibleBounds();
// This way to predict the size of the widget if it were maximized is brittle.
// We rely on unit tests to guard against changes in the size of the window
// decorations.
if (frame_enabled()) {
window_bounds.Inset(gfx::Insets().set_bottom(
-views::GetCaptionButtonLayoutSize(
views::CaptionButtonLayoutSize::kNonBrowserCaption)
.height()));
}
return window_bounds.width() >= work_area_size.width() &&
window_bounds.height() >= work_area_size.height();
}
} // namespace exo
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