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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 "ash/display/screen_position_controller.h"
#include "ash/display/display_controller.h"
#include "ash/shell.h"
#include "ash/shell_window_ids.h"
#include "ash/wm/system_modal_container_layout_manager.h"
#include "ash/wm/window_properties.h"
#include "ui/aura/client/activation_client.h"
#include "ui/aura/client/capture_client.h"
#include "ui/aura/client/stacking_client.h"
#include "ui/aura/focus_manager.h"
#include "ui/aura/root_window.h"
#include "ui/aura/window_tracker.h"
#include "ui/gfx/display.h"
#include "ui/gfx/screen.h"
namespace ash {
namespace {
// Move all transient children to |dst_root|, including the ones in
// the child windows and transient children of the transient children.
void MoveAllTransientChildrenToNewRoot(const gfx::Display& display,
aura::Window* window) {
aura::RootWindow* dst_root = Shell::GetInstance()->display_controller()->
GetRootWindowForDisplayId(display.id());
aura::Window::Windows transient_children = window->transient_children();
for (aura::Window::Windows::iterator iter = transient_children.begin();
iter != transient_children.end(); ++iter) {
aura::Window* transient_child = *iter;
int container_id = transient_child->parent()->id();
DCHECK_GE(container_id, 0);
aura::Window* container = Shell::GetContainer(dst_root, container_id);
gfx::Rect parent_bounds_in_screen = transient_child->GetBoundsInScreen();
container->AddChild(transient_child);
transient_child->SetBoundsInScreen(parent_bounds_in_screen, display);
// Transient children may have transient children.
MoveAllTransientChildrenToNewRoot(display, transient_child);
}
// Move transient children of the child windows if any.
aura::Window::Windows children = window->children();
for (aura::Window::Windows::iterator iter = children.begin();
iter != children.end(); ++iter)
MoveAllTransientChildrenToNewRoot(display, *iter);
}
} // namespace
namespace internal {
void ScreenPositionController::ConvertPointToScreen(
const aura::Window* window,
gfx::Point* point) {
const aura::RootWindow* root = window->GetRootWindow();
aura::Window::ConvertPointToTarget(window, root, point);
if (DisplayController::IsExtendedDesktopEnabled()) {
const gfx::Point display_origin =
gfx::Screen::GetDisplayNearestWindow(
const_cast<aura::RootWindow*>(root)).bounds().origin();
point->Offset(display_origin.x(), display_origin.y());
}
}
void ScreenPositionController::ConvertPointFromScreen(
const aura::Window* window,
gfx::Point* point) {
const aura::RootWindow* root = window->GetRootWindow();
if (DisplayController::IsExtendedDesktopEnabled()) {
const gfx::Point display_origin =
gfx::Screen::GetDisplayNearestWindow(
const_cast<aura::RootWindow*>(root)).bounds().origin();
point->Offset(-display_origin.x(), -display_origin.y());
}
aura::Window::ConvertPointToTarget(root, window, point);
}
void ScreenPositionController::SetBounds(aura::Window* window,
const gfx::Rect& bounds,
const gfx::Display& display) {
DCHECK_NE(-1, display.id());
if (!DisplayController::IsExtendedDesktopEnabled() ||
!window->parent()->GetProperty(internal::kUsesScreenCoordinatesKey)) {
window->SetBounds(bounds);
return;
}
// Don't move a transient windows to other root window.
// It moves when its transient_parent moves.
if (!window->transient_parent()) {
aura::RootWindow* dst_root =
Shell::GetInstance()->display_controller()->GetRootWindowForDisplayId(
display.id());
aura::Window* dst_container = NULL;
if (dst_root != window->GetRootWindow()) {
int container_id = window->parent()->id();
// All containers that uses screen coordinates must have valid
// window ids.
DCHECK_GE(container_id, 0);
// Don't move modal screen.
if (!SystemModalContainerLayoutManager::IsModalScreen(window))
dst_container = Shell::GetContainer(dst_root, container_id);
}
if (dst_container && window->parent() != dst_container) {
aura::Window* focused = window->GetFocusManager()->GetFocusedWindow();
aura::client::ActivationClient* activation_client =
aura::client::GetActivationClient(window->GetRootWindow());
aura::Window* active = activation_client->GetActiveWindow();
aura::WindowTracker tracker;
if (focused)
tracker.Add(focused);
if (active && focused != active)
tracker.Add(active);
dst_container->AddChild(window);
MoveAllTransientChildrenToNewRoot(display, window);
// Restore focused/active window.
if (tracker.Contains(focused))
window->GetFocusManager()->SetFocusedWindow(focused, NULL);
else if (tracker.Contains(active))
activation_client->ActivateWindow(active);
}
}
gfx::Point origin(bounds.origin());
const gfx::Point display_origin =
gfx::Screen::GetDisplayNearestWindow(window).bounds().origin();
origin.Offset(-display_origin.x(), -display_origin.y());
window->SetBounds(gfx::Rect(origin, bounds.size()));
}
} // internal
} // ash
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