blob: 78c15adf46d384811d6bd8a2973f5b4e1a8c8386 [file] [log] [blame]
// 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 "base/compiler_specific.h"
#include "base/logging.h"
#include "base/macros.h"
#include "ui/aura/client/visibility_client.h"
#include "ui/wm/wm_export.h"
namespace wm {
class WM_EXPORT VisibilityController
: public aura::client::VisibilityClient {
~VisibilityController() override;
// Subclasses override if they want to call a different implementation of
// this function.
// TODO(beng): potentially replace by an actual window animator class in
// window_animations.h.
virtual bool CallAnimateOnChildWindowVisibilityChanged(aura::Window* window,
bool visible);
// Overridden from aura::client::VisibilityClient:
void UpdateLayerVisibility(aura::Window* window, bool visible) override;
// Suspends the animations for visibility changes during the lifetime of an
// instance of this class.
// Example:
// void ViewName::UnanimatedAction() {
// SuspendChildWindowVisibilityAnimations suspend(parent);
// // Perform unanimated action here.
// // ...
// // When the method finishes, visibility animations will return to their
// // previous state.
// }
class WM_EXPORT SuspendChildWindowVisibilityAnimations {
// Suspend visibility animations of child windows.
explicit SuspendChildWindowVisibilityAnimations(aura::Window* window);
// Restore visibility animations to their original state.
// The window to manage.
aura::Window* window_;
// Whether the visibility animations on child windows were originally enabled.
const bool original_enabled_;
// Enable visibility change animation for specific |window|. Use this if
// you want to enable visibility change animation on a specific window without
// affecting other windows in the same container. Calling this on a window
// whose animation is already enabled either by this function, or
// via SetChildWindowVisibilityChangesAnimatedbelow below is allowed and
// the animation stays enabled.
void WM_EXPORT SetWindowVisibilityChangesAnimated(aura::Window* window);
// Enable visibiilty change animation for all children of the |window|.
// Tyically applied to a container whose child windows should be animated
// when their visibility changes.
void WM_EXPORT SetChildWindowVisibilityChangesAnimated(
aura::Window* window);
} // namespace wm