Move some more WM functionality down into ash.

ui/aura_shell/default_container_layout_manager.cc

-// 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 "ash/wm/show_state_controller.h"
-#include "ui/aura/client/aura_constants.h"
-#include "ui/aura/event.h"
-#include "ui/aura/root_window.h"
-#include "ui/aura/screen_aura.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_observer.h"
-#include "ui/aura_shell/property_util.h"
-#include "ui/aura_shell/window_util.h"
-#include "ui/aura_shell/workspace/workspace.h"
-#include "ui/aura_shell/workspace/workspace_manager.h"
-#include "ui/base/ui_base_types.h"
-#include "ui/gfx/rect.h"
-#include "ui/views/widget/native_widget_aura.h"
-
-namespace aura_shell {
-namespace internal {
-
-////////////////////////////////////////////////////////////////////////////////
-// DefaultContainerLayoutManager, public:
-
-DefaultContainerLayoutManager::DefaultContainerLayoutManager(
-    WorkspaceManager* workspace_manager)
-    : workspace_manager_(workspace_manager),
-      show_state_controller_(new ShowStateController(workspace_manager)) {
-}
-
-DefaultContainerLayoutManager::~DefaultContainerLayoutManager() {}
-
-void DefaultContainerLayoutManager::PrepareForMoveOrResize(
-    aura::Window* drag,
-    aura::MouseEvent* event) {
-  workspace_manager_->set_ignored_window(drag);
-}
-
-void DefaultContainerLayoutManager::CancelMoveOrResize(
-    aura::Window* drag,
-    aura::MouseEvent* event) {
-  workspace_manager_->set_ignored_window(NULL);
-}
-
-void DefaultContainerLayoutManager::ProcessMove(
-    aura::Window* drag,
-    aura::MouseEvent* event) {
-  // 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,
-      workspace_manager_->contents_view(),
-      &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.
-  workspace_manager_->set_ignored_window(NULL);
-  Workspace* workspace = workspace_manager_->FindBy(drag);
-  workspace->Layout(NULL);
-  workspace->Activate();
-  workspace_manager_->SetOverview(false);
-}
-
-void DefaultContainerLayoutManager::EndResize(
-    aura::Window* drag,
-    aura::MouseEvent* evnet) {
-  workspace_manager_->set_ignored_window(NULL);
-  Workspace* workspace = workspace_manager_->GetActiveWorkspace();
-  if (workspace)
-    workspace->Layout(NULL);
-  workspace_manager_->SetOverview(false);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// DefaultContainerLayoutManager, aura::LayoutManager implementation:
-
-void DefaultContainerLayoutManager::OnWindowResized() {
-  // Workspace is updated via RootWindowObserver::OnRootWindowResized.
-}
-
-void DefaultContainerLayoutManager::OnWindowAddedToLayout(aura::Window* child) {
-  if (child->type() != aura::client::WINDOW_TYPE_NORMAL ||
-      child->transient_parent()) {
-    return;
-  }
-
-  if (!child->GetProperty(aura::client::kShowStateKey))
-    child->SetIntProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
-
-  child->AddObserver(show_state_controller_.get());
-
-  Workspace* workspace = workspace_manager_->GetActiveWorkspace();
-  if (workspace) {
-    aura::Window* active = aura_shell::GetActiveWindow();
-    // 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::OnWillRemoveWindowFromLayout(
-    aura::Window* child) {
-  child->RemoveObserver(show_state_controller_.get());
-  ClearRestoreBounds(child);
-
-  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::SetChildBounds(
-    aura::Window* child,
-    const gfx::Rect& requested_bounds) {
-  gfx::Rect adjusted_bounds = requested_bounds;
-
-  // First, calculate the adjusted bounds.
-  if (child->type() != aura::client::WINDOW_TYPE_NORMAL ||
-      workspace_manager_->layout_in_progress() ||
-      child->transient_parent()) {
-    // Use the requested bounds as is.
-  } else if (child == workspace_manager_->ignored_window()) {
-    // If a drag window is requesting bounds, make sure its attached to
-    // the workarea's top and fits within the total drag area.
-    gfx::Rect drag_area =  workspace_manager_->GetDragAreaBounds();
-    adjusted_bounds.set_y(drag_area.y());
-    adjusted_bounds = adjusted_bounds.AdjustToFit(drag_area);
-  } else {
-    Workspace* workspace = workspace_manager_->FindBy(child);
-    gfx::Rect work_area = workspace->GetWorkAreaBounds();
-    adjusted_bounds.set_origin(
-        gfx::Point(child->GetTargetBounds().x(), work_area.y()));
-    adjusted_bounds = adjusted_bounds.AdjustToFit(work_area);
-  }
-
-  ui::WindowShowState show_state = static_cast<ui::WindowShowState>(
-      child->GetIntProperty(aura::client::kShowStateKey));
-
-  // Second, check if the window is either maximized or in fullscreen mode.
-  if (show_state == ui::SHOW_STATE_MAXIMIZED ||
-      show_state == ui::SHOW_STATE_FULLSCREEN) {
-    // If the request is not from workspace manager,
-    // remember the requested bounds.
-    if (!workspace_manager_->layout_in_progress())
-      SetRestoreBounds(child, adjusted_bounds);
-
-    Workspace* workspace = workspace_manager_->FindBy(child);
-    if (show_state == ui::SHOW_STATE_MAXIMIZED)
-      adjusted_bounds = workspace->GetWorkAreaBounds();
-    else
-      adjusted_bounds = workspace->bounds();
-    // Don't
-    if (child->GetTargetBounds() == adjusted_bounds)
-      return;
-  }
-  SetChildBoundsDirect(child, adjusted_bounds);
-}
-
-}  // namespace internal
-}  // namespace aura_shell