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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/wm/workspace_controller.h"
#include "ash/root_window_controller.h"
#include "ash/shelf/shelf_layout_manager.h"
#include "ash/shell.h"
#include "ash/shell_window_ids.h"
#include "ash/wm/base_layout_manager.h"
#include "ash/wm/window_animations.h"
#include "ash/wm/window_state.h"
#include "ash/wm/window_util.h"
#include "ash/wm/workspace/workspace_event_handler.h"
#include "ash/wm/workspace/workspace_layout_manager.h"
#include "ui/aura/client/activation_client.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/root_window.h"
#include "ui/aura/window.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/scoped_layer_animation_settings.h"
#include "ui/views/corewm/visibility_controller.h"
#include "ui/views/corewm/window_animations.h"
namespace ash {
namespace internal {
namespace {
// Amount of time to pause before animating anything. Only used during initial
// animation (when logging in).
const int kInitialPauseTimeMS = 750;
// Returns true if there are visible docked windows in the same screen as the
// |shelf|.
bool IsDockedAreaVisible(const ShelfLayoutManager* shelf) {
return shelf->dock_bounds().width() > 0;
}
} // namespace
WorkspaceController::WorkspaceController(aura::Window* viewport)
: viewport_(viewport),
shelf_(NULL),
event_handler_(new WorkspaceEventHandler(viewport_)) {
SetWindowVisibilityAnimationTransition(
viewport_, views::corewm::ANIMATE_NONE);
// The layout-manager cannot be created in the initializer list since it
// depends on the window to have been initialized.
layout_manager_ = new WorkspaceLayoutManager(viewport_);
viewport_->SetLayoutManager(layout_manager_);
viewport_->Show();
}
WorkspaceController::~WorkspaceController() {
viewport_->SetLayoutManager(NULL);
viewport_->SetEventFilter(NULL);
viewport_->RemovePreTargetHandler(event_handler_.get());
viewport_->RemovePostTargetHandler(event_handler_.get());
}
WorkspaceWindowState WorkspaceController::GetWindowState() const {
if (!shelf_)
return WORKSPACE_WINDOW_STATE_DEFAULT;
const aura::Window* topmost_fullscreen_window = GetRootWindowController(
viewport_->GetRootWindow())->GetWindowForFullscreenMode();
if (topmost_fullscreen_window &&
!wm::GetWindowState(topmost_fullscreen_window)->ignored_by_shelf()) {
return WORKSPACE_WINDOW_STATE_FULL_SCREEN;
}
// These are the container ids of containers which may contain windows that
// may overlap the launcher shelf and affect its transparency.
const int kWindowContainerIds[] = {
internal::kShellWindowId_DefaultContainer,
internal::kShellWindowId_DockedContainer,
};
const gfx::Rect shelf_bounds(shelf_->GetIdealBounds());
bool window_overlaps_launcher = false;
for (size_t idx = 0; idx < arraysize(kWindowContainerIds); idx++) {
const aura::Window* container = Shell::GetContainer(
viewport_->GetRootWindow(), kWindowContainerIds[idx]);
const aura::Window::Windows& windows(container->children());
for (aura::Window::Windows::const_iterator i = windows.begin();
i != windows.end(); ++i) {
wm::WindowState* window_state = wm::GetWindowState(*i);
if (window_state->ignored_by_shelf())
continue;
ui::Layer* layer = (*i)->layer();
if (!layer->GetTargetVisibility())
continue;
if (window_state->IsMaximized())
return WORKSPACE_WINDOW_STATE_MAXIMIZED;
if (!window_overlaps_launcher &&
((*i)->bounds().Intersects(shelf_bounds))) {
window_overlaps_launcher = true;
}
}
}
return (window_overlaps_launcher || IsDockedAreaVisible(shelf_)) ?
WORKSPACE_WINDOW_STATE_WINDOW_OVERLAPS_SHELF :
WORKSPACE_WINDOW_STATE_DEFAULT;
}
void WorkspaceController::SetShelf(ShelfLayoutManager* shelf) {
shelf_ = shelf;
layout_manager_->SetShelf(shelf);
}
void WorkspaceController::DoInitialAnimation() {
viewport_->Show();
viewport_->layer()->SetOpacity(0.0f);
SetTransformForScaleAnimation(
viewport_->layer(), LAYER_SCALE_ANIMATION_ABOVE);
// In order for pause to work we need to stop animations.
viewport_->layer()->GetAnimator()->StopAnimating();
{
ui::ScopedLayerAnimationSettings settings(
viewport_->layer()->GetAnimator());
settings.SetPreemptionStrategy(ui::LayerAnimator::ENQUEUE_NEW_ANIMATION);
viewport_->layer()->GetAnimator()->SchedulePauseForProperties(
base::TimeDelta::FromMilliseconds(kInitialPauseTimeMS),
ui::LayerAnimationElement::TRANSFORM,
ui::LayerAnimationElement::OPACITY,
ui::LayerAnimationElement::BRIGHTNESS,
ui::LayerAnimationElement::VISIBILITY,
-1);
settings.SetTweenType(gfx::Tween::EASE_OUT);
settings.SetTransitionDuration(
base::TimeDelta::FromMilliseconds(kCrossFadeDurationMS));
viewport_->layer()->SetTransform(gfx::Transform());
viewport_->layer()->SetOpacity(1.0f);
}
}
} // namespace internal
} // namespace ash
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