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// Copyright (c) 2011 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_shell/toplevel_layout_manager.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/window.h"
#include "ui/aura_shell/shelf_layout_manager.h"
#include "ui/aura_shell/window_util.h"
#include "ui/base/ui_base_types.h"
#include "ui/gfx/screen.h"
namespace aura_shell {
namespace internal {
ToplevelLayoutManager::ToplevelLayoutManager() : shelf_(NULL) {
}
ToplevelLayoutManager::~ToplevelLayoutManager() {
for (Windows::const_iterator i = windows_.begin(); i != windows_.end(); ++i)
(*i)->RemoveObserver(this);
}
void ToplevelLayoutManager::OnWindowResized() {
}
void ToplevelLayoutManager::OnWindowAddedToLayout(aura::Window* child) {
windows_.insert(child);
child->AddObserver(this);
if (child->GetProperty(aura::kShowStateKey)) {
UpdateBoundsFromShowState(child);
UpdateShelfVisibility();
}
}
void ToplevelLayoutManager::OnWillRemoveWindowFromLayout(
aura::Window* child) {
windows_.erase(child);
child->RemoveObserver(this);
UpdateShelfVisibility();
}
void ToplevelLayoutManager::OnChildWindowVisibilityChanged(aura::Window* child,
bool visibile) {
UpdateShelfVisibility();
}
void ToplevelLayoutManager::SetChildBounds(aura::Window* child,
const gfx::Rect& requested_bounds) {
const static int kTitleHeight = 12;
gfx::Rect child_bounds(requested_bounds);
gfx::Rect work_area = gfx::Screen::GetMonitorWorkAreaNearestWindow(child);
if (child_bounds.y() < 0)
child_bounds.set_y(0);
else if (child_bounds.y() + kTitleHeight > work_area.bottom())
child_bounds.set_y(work_area.bottom() - kTitleHeight);
SetChildBoundsDirect(child, child_bounds);
}
void ToplevelLayoutManager::OnWindowPropertyChanged(aura::Window* window,
const char* name,
void* old) {
if (name == aura::kShowStateKey) {
UpdateBoundsFromShowState(window);
UpdateShelfVisibility();
}
}
void ToplevelLayoutManager::UpdateShelfVisibility() {
if (!shelf_)
return;
bool has_fullscreen_window = false;
for (Windows::const_iterator i = windows_.begin(); i != windows_.end(); ++i) {
if ((*i)->GetIntProperty(aura::kShowStateKey) ==
ui::SHOW_STATE_FULLSCREEN) {
has_fullscreen_window = true;
break;
}
}
shelf_->SetVisible(!has_fullscreen_window);
}
} // namespace internal
} // namespace aura_shell
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