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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/views/widget/desktop_aura/desktop_focus_rules.h"
#include "ui/aura/window.h"
#include "ui/aura/window_event_dispatcher.h"
namespace views {
DesktopFocusRules::DesktopFocusRules(aura::Window* content_window)
: content_window_(content_window) {}
DesktopFocusRules::~DesktopFocusRules() {}
bool DesktopFocusRules::CanActivateWindow(aura::Window* window) const {
if (!BaseFocusRules::CanActivateWindow(window))
return false;
// Never activate a window that is not a child of the root window. Transients
// spanning different DesktopNativeWidgetAuras may trigger this.
return !window || content_window_->GetRootWindow()->Contains(window);
}
bool DesktopFocusRules::SupportsChildActivation(aura::Window* window) const {
// In Desktop-Aura, only the content_window or children of the RootWindow are
// activatable.
return window == content_window_->parent() ||
window->GetRootWindow() == window;
}
bool DesktopFocusRules::IsWindowConsideredVisibleForActivation(
aura::Window* window) const {
// |content_window_| is initially hidden and made visible from Show(). Even in
// this state we still want it to be active.
return BaseFocusRules::IsWindowConsideredVisibleForActivation(window) ||
(window == content_window_);
}
aura::Window* DesktopFocusRules::GetToplevelWindow(
aura::Window* window) const {
aura::Window* top_level_window =
wm::BaseFocusRules::GetToplevelWindow(window);
// In Desktop-Aura, only the content_window or children of the RootWindow are
// considered as top level windows.
if (top_level_window == content_window_->parent())
return content_window_;
return top_level_window;
}
aura::Window* DesktopFocusRules::GetNextActivatableWindow(
aura::Window* window) const {
aura::Window* next_activatable_window =
wm::BaseFocusRules::GetNextActivatableWindow(window);
// In Desktop-Aura the content_window_'s parent is a dummy window and thus
// should never be activated. We should return the content_window_ if it
// can be activated in this case.
if (next_activatable_window == content_window_->parent() &&
CanActivateWindow(content_window_))
return content_window_;
return next_activatable_window;
}
} // namespace views
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