window_util.cc revision 5f1c94371a64b3196d4be9466099bb892df9b88e
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/wm/window_util.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/ash_constants.h" 105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ash/screen_util.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/shell.h" 125f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "ash/snap_to_pixel_layout_manager.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ash/wm/window_properties.h" 14f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "ash/wm/window_state.h" 1523730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)#include "ash/wm/wm_event.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/client/aura_constants.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/aura/window.h" 18a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/aura/window_delegate.h" 19a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/aura/window_event_dispatcher.h" 205f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)#include "ui/compositor/dip_util.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/display.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/rect.h" 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/screen.h" 245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/gfx/size.h" 25c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "ui/views/view.h" 26c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "ui/views/widget/widget.h" 27a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/wm/core/window_util.h" 28effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch#include "ui/wm/public/activation_client.h" 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ash { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace wm { 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 33a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)namespace { 34a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 35a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)// Returns the default width of a snapped window. 36a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)int GetDefaultSnappedWindowWidth(aura::Window* window) { 37a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const float kSnappedWidthWorkspaceRatio = 0.5f; 38a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 39a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) int work_area_width = 40a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ScreenUtil::GetDisplayWorkAreaBoundsInParent(window).width(); 41a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) int min_width = window->delegate() ? 42a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) window->delegate()->GetMinimumSize().width() : 0; 43a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) int ideal_width = 44a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<int>(work_area_width * kSnappedWidthWorkspaceRatio); 45a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return std::min(work_area_width, std::max(ideal_width, min_width)); 46a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 47a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 48a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} // namespace 49a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// TODO(beng): replace many of these functions with the corewm versions. 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ActivateWindow(aura::Window* window) { 52a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ::wm::ActivateWindow(window); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void DeactivateWindow(aura::Window* window) { 56a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ::wm::DeactivateWindow(window); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool IsActiveWindow(aura::Window* window) { 60a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return ::wm::IsActiveWindow(window); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)aura::Window* GetActiveWindow() { 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return aura::client::GetActivationClient(Shell::GetPrimaryRootWindow())-> 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GetActiveWindow(); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)aura::Window* GetActivatableWindow(aura::Window* window) { 69a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return ::wm::GetActivatableWindow(window); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool CanActivateWindow(aura::Window* window) { 73a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return ::wm::CanActivateWindow(window); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)bool IsWindowMinimized(aura::Window* window) { 775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return ash::wm::GetWindowState(window)->IsMinimized(); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CenterWindow(aura::Window* window) { 8123730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) wm::WMEvent event(wm::WM_EVENT_CENTER); 8223730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) wm::GetWindowState(window)->OnWMEvent(&event); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)gfx::Rect GetDefaultLeftSnappedWindowBoundsInParent(aura::Window* window) { 86a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) gfx::Rect work_area_in_parent(ScreenUtil::GetDisplayWorkAreaBoundsInParent( 87a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) window)); 88a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return gfx::Rect(work_area_in_parent.x(), 89a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) work_area_in_parent.y(), 90a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) GetDefaultSnappedWindowWidth(window), 91a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) work_area_in_parent.height()); 92a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 93a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 94a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)gfx::Rect GetDefaultRightSnappedWindowBoundsInParent(aura::Window* window) { 95a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) gfx::Rect work_area_in_parent(ScreenUtil::GetDisplayWorkAreaBoundsInParent( 96a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) window)); 97a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) int width = GetDefaultSnappedWindowWidth(window); 98a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return gfx::Rect(work_area_in_parent.right() - width, 99a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) work_area_in_parent.y(), 100a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) width, 101a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) work_area_in_parent.height()); 102a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} 103a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 1045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void AdjustBoundsSmallerThan(const gfx::Size& max_size, gfx::Rect* bounds) { 1055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bounds->set_width(std::min(bounds->width(), max_size.width())); 1065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bounds->set_height(std::min(bounds->height(), max_size.height())); 1075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1093551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)void AdjustBoundsToEnsureMinimumWindowVisibility(const gfx::Rect& visible_area, 1102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Rect* bounds) { 1112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) AdjustBoundsToEnsureWindowVisibility( 1123551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) visible_area, kMinimumOnScreenArea, kMinimumOnScreenArea, bounds); 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1153551c9c881056c480085172ff9840cab31610854Torne (Richard Coles)void AdjustBoundsToEnsureWindowVisibility(const gfx::Rect& visible_area, 1162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int min_width, 1172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int min_height, 1182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Rect* bounds) { 1195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) AdjustBoundsSmallerThan(visible_area.size(), bounds); 120bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 1213551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) min_width = std::min(min_width, visible_area.width()); 1223551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) min_height = std::min(min_height, visible_area.height()); 123bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 1245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (bounds->right() < visible_area.x() + min_width) { 1255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bounds->set_x(visible_area.x() + min_width - bounds->width()); 1265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else if (bounds->x() > visible_area.right() - min_width) { 1273551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) bounds->set_x(visible_area.right() - min_width); 128bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch } 1295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (bounds->bottom() < visible_area.y() + min_height) { 1305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bounds->set_y(visible_area.y() + min_height - bounds->height()); 1315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else if (bounds->y() > visible_area.bottom() - min_height) { 1323551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) bounds->set_y(visible_area.bottom() - min_height); 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (bounds->y() < visible_area.y()) 1355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bounds->set_y(visible_area.y()); 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 138c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)bool MoveWindowToEventRoot(aura::Window* window, const ui::Event& event) { 139c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) views::View* target = static_cast<views::View*>(event.target()); 140c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!target) 141c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return false; 1421e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) aura::Window* target_root = 143c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) target->GetWidget()->GetNativeView()->GetRootWindow(); 144c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!target_root || target_root == window->GetRootWindow()) 145c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return false; 146c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) aura::Window* window_container = 147c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ash::Shell::GetContainer(target_root, window->parent()->id()); 148c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Move the window to the target launcher. 149c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) window_container->AddChild(window); 150c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return true; 151c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 152c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 153a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)void ReparentChildWithTransientChildren(aura::Window* child, 154a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) aura::Window* old_parent, 155a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) aura::Window* new_parent) { 156a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (child->parent() == old_parent) 157a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) new_parent->AddChild(child); 158a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) ReparentTransientChildrenOfChild(child, old_parent, new_parent); 1594e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)} 1604e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 161a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)void ReparentTransientChildrenOfChild(aura::Window* child, 162a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) aura::Window* old_parent, 163a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) aura::Window* new_parent) { 1645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) for (size_t i = 0; 165a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) i < ::wm::GetTransientChildren(child).size(); 1665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ++i) { 1675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ReparentChildWithTransientChildren( 168a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) ::wm::GetTransientChildren(child)[i], 1695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) old_parent, 1705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) new_parent); 171a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) } 1724e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)} 1734e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 1745f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)void SnapWindowToPixelBoundary(aura::Window* window) { 1755f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) aura::Window* snapped_ancestor = window->parent(); 1765f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) while (snapped_ancestor) { 1775f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (snapped_ancestor->GetProperty(kSnapChildrenToPixelBoundary)) { 1785f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) ui::SnapLayerToPhysicalPixelBoundary(snapped_ancestor->layer(), 1795f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) window->layer()); 1805f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return; 1815f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 1825f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) snapped_ancestor = snapped_ancestor->parent(); 1835f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 1845f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} 1855f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1865f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)void SetSnapsChildrenToPhysicalPixelBoundary(aura::Window* container) { 1875f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) DCHECK(!container->GetProperty(kSnapChildrenToPixelBoundary)) 1885f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) << container->name(); 1895f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) container->SetProperty(kSnapChildrenToPixelBoundary, true); 1905f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} 1915f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 1925f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)void InstallSnapLayoutManagerToContainers(aura::Window* parent) { 1935f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) aura::Window::Windows children = parent->children(); 1945f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) for (aura::Window::Windows::iterator iter = children.begin(); 1955f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) iter != children.end(); 1965f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) ++iter) { 1975f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) aura::Window* container = *iter; 1985f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (container->id() < 0) // not a container 1995f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) continue; 2005f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (container->GetProperty(kSnapChildrenToPixelBoundary)) { 2015f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!container->layout_manager()) 2025f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) container->SetLayoutManager(new SnapToPixelLayoutManager(container)); 2035f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } else { 2045f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) InstallSnapLayoutManagerToContainers(container); 2055f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 2065f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 2075f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} 2085f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace wm 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace ash 211