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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/default_container_layout_manager.h"
#include "base/auto_reset.h"
#include "ui/aura/desktop.h"
#include "ui/aura/event.h"
#include "ui/aura/window.h"
#include "ui/aura/screen_aura.h"
#include "ui/aura/window_types.h"
#include "ui/aura_shell/workspace/workspace.h"
#include "ui/aura_shell/workspace/workspace_manager.h"
#include "ui/gfx/rect.h"
#include "views/widget/native_widget_aura.h"
namespace aura_shell {
namespace internal {
////////////////////////////////////////////////////////////////////////////////
// DefaultContainerLayoutManager, public:
DefaultContainerLayoutManager::DefaultContainerLayoutManager(
aura::Window* owner,
WorkspaceManager* workspace_manager)
: owner_(owner),
workspace_manager_(workspace_manager),
drag_window_(NULL),
ignore_calculate_bounds_(false) {
}
DefaultContainerLayoutManager::~DefaultContainerLayoutManager() {}
void DefaultContainerLayoutManager::PrepareForMoveOrResize(
aura::Window* drag,
aura::MouseEvent* event) {
drag_window_ = drag;
}
void DefaultContainerLayoutManager::CancelMoveOrResize(
aura::Window* drag,
aura::MouseEvent* event) {
drag_window_ = NULL;
}
void DefaultContainerLayoutManager::ProcessMove(
aura::Window* drag,
aura::MouseEvent* event) {
AutoReset<bool> reset(&ignore_calculate_bounds_, true);
// TODO(oshima): Just zooming out may (and will) move/swap window without
// a users's intent. We probably should scroll viewport, but that may not
// be enough. See crbug.com/101826 for more discussion.
workspace_manager_->SetOverview(true);
gfx::Point point_in_owner = event->location();
aura::Window::ConvertPointToWindow(
drag,
owner_,
&point_in_owner);
// TODO(oshima): We should support simply moving to another
// workspace when the destination workspace has enough room to accomodate.
aura::Window* rotate_target =
workspace_manager_->FindRotateWindowForLocation(point_in_owner);
if (rotate_target)
workspace_manager_->RotateWindows(drag, rotate_target);
}
void DefaultContainerLayoutManager::EndMove(
aura::Window* drag,
aura::MouseEvent* evnet) {
// TODO(oshima): finish moving window between workspaces.
AutoReset<bool> reset(&ignore_calculate_bounds_, true);
drag_window_ = NULL;
Workspace* workspace = workspace_manager_->FindBy(drag);
workspace->Layout(NULL, NULL);
workspace->Activate();
workspace_manager_->SetOverview(false);
}
void DefaultContainerLayoutManager::EndResize(
aura::Window* drag,
aura::MouseEvent* evnet) {
AutoReset<bool> reset(&ignore_calculate_bounds_, true);
drag_window_ = NULL;
Workspace* workspace = workspace_manager_->GetActiveWorkspace();
if (workspace)
workspace->Layout(NULL, NULL);
workspace_manager_->SetOverview(false);
}
////////////////////////////////////////////////////////////////////////////////
// DefaultContainerLayoutManager, aura::LayoutManager implementation:
void DefaultContainerLayoutManager::OnWindowResized() {
// Workspace is updated via DesktopObserver::OnDesktopResized.
}
void DefaultContainerLayoutManager::OnWindowAdded(aura::Window* child) {
if (child->type() != aura::WINDOW_TYPE_NORMAL || child->transient_parent())
return;
AutoReset<bool> reset(&ignore_calculate_bounds_, true);
Workspace* workspace = workspace_manager_->GetActiveWorkspace();
if (workspace) {
aura::Window* active = aura::Desktop::GetInstance()->active_window();
// Active window may not be in the default container layer.
if (!workspace->Contains(active))
active = NULL;
if (workspace->AddWindowAfter(child, active))
return;
}
// Create new workspace if new |child| doesn't fit to current workspace.
Workspace* new_workspace = workspace_manager_->CreateWorkspace();
new_workspace->AddWindowAfter(child, NULL);
new_workspace->Activate();
}
void DefaultContainerLayoutManager::OnWillRemoveWindow(aura::Window* child) {
AutoReset<bool> reset(&ignore_calculate_bounds_, true);
Workspace* workspace = workspace_manager_->FindBy(child);
if (!workspace)
return;
workspace->RemoveWindow(child);
if (workspace->is_empty())
delete workspace;
}
void DefaultContainerLayoutManager::OnChildWindowVisibilityChanged(
aura::Window* child,
bool visible) {
NOTIMPLEMENTED();
}
void DefaultContainerLayoutManager::CalculateBoundsForChild(
aura::Window* child,
gfx::Rect* requested_bounds) {
if (child->type() != aura::WINDOW_TYPE_NORMAL ||
ignore_calculate_bounds_ ||
child->transient_parent())
return;
// If a drag window is requesting bounds, make sure its attached to
// the workarea's top and fits within the total drag area.
if (drag_window_) {
gfx::Rect drag_area = workspace_manager_->GetDragAreaBounds();
requested_bounds->set_y(drag_area.y());
*requested_bounds = requested_bounds->AdjustToFit(drag_area);
return;
}
Workspace* workspace = workspace_manager_->FindBy(child);
gfx::Rect work_area = workspace->GetWorkAreaBounds();
requested_bounds->set_origin(
gfx::Point(child->GetTargetBounds().x(), work_area.y()));
*requested_bounds = requested_bounds->AdjustToFit(work_area);
}
} // namespace internal
} // namespace aura_shell
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