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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "athena/wm/window_list_provider_impl.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "athena/athena_export.h" | |
| 10 #include "athena/wm/public/window_list_provider_observer.h" | |
| 11 #include "ui/aura/window.h" | |
| 12 #include "ui/aura/window_property.h" | |
| 13 #include "ui/wm/core/transient_window_manager.h" | |
| 14 #include "ui/wm/core/window_util.h" | |
| 15 | |
| 16 namespace athena { | |
| 17 namespace { | |
| 18 | |
| 19 // Used to keep track of which window should be managed. This is necessary | |
| 20 // as the necessary informatino used in IsValidWindow (transient parent | |
| 21 // for example) may not available during destruction. | |
| 22 DEFINE_WINDOW_PROPERTY_KEY(bool, kManagedKey, false); | |
| 23 | |
| 24 } // namespace | |
| 25 | |
| 26 WindowListProviderImpl::WindowListProviderImpl(aura::Window* container) | |
| 27 : container_(container) { | |
| 28 CHECK(container_); | |
| 29 container_->AddObserver(this); | |
| 30 RecreateWindowList(); | |
| 31 for (auto* window : window_list_) | |
| 32 window->AddObserver(this); | |
| 33 } | |
| 34 | |
| 35 WindowListProviderImpl::~WindowListProviderImpl() { | |
| 36 // Remove all remaining window observers. | |
| 37 for (auto* window : window_list_) { | |
| 38 CHECK(window->GetProperty(kManagedKey)); | |
| 39 window->RemoveObserver(this); | |
| 40 } | |
| 41 container_->RemoveObserver(this); | |
| 42 } | |
| 43 | |
| 44 bool WindowListProviderImpl::IsValidWindow(aura::Window* window) const { | |
| 45 if (wm::GetTransientParent(window)) | |
| 46 return false; | |
| 47 | |
| 48 // TODO(oshima): crbug.com/413912. | |
| 49 return window->type() == ui::wm::WINDOW_TYPE_NORMAL || | |
| 50 window->type() == ui::wm::WINDOW_TYPE_PANEL; | |
| 51 } | |
| 52 | |
| 53 void WindowListProviderImpl::AddObserver(WindowListProviderObserver* observer) { | |
| 54 observers_.AddObserver(observer); | |
| 55 } | |
| 56 | |
| 57 void WindowListProviderImpl::RemoveObserver( | |
| 58 WindowListProviderObserver* observer) { | |
| 59 observers_.RemoveObserver(observer); | |
| 60 } | |
| 61 | |
| 62 const aura::Window::Windows& WindowListProviderImpl::GetWindowList() const { | |
| 63 return window_list_; | |
| 64 } | |
| 65 | |
| 66 bool WindowListProviderImpl::IsWindowInList(aura::Window* window) const { | |
| 67 return std::find(window_list_.begin(), window_list_.end(), window) != | |
| 68 window_list_.end(); | |
| 69 } | |
| 70 | |
| 71 void WindowListProviderImpl::StackWindowFrontOf( | |
| 72 aura::Window* window, | |
| 73 aura::Window* reference_window) { | |
| 74 DCHECK_NE(window, reference_window); | |
| 75 DCHECK(IsWindowInList(window)); | |
| 76 DCHECK(IsWindowInList(reference_window)); | |
| 77 container_->StackChildAbove(window, reference_window); | |
| 78 } | |
| 79 | |
| 80 void WindowListProviderImpl::StackWindowBehindTo( | |
| 81 aura::Window* window, | |
| 82 aura::Window* reference_window) { | |
| 83 DCHECK_NE(window, reference_window); | |
| 84 DCHECK(IsWindowInList(window)); | |
| 85 DCHECK(IsWindowInList(reference_window)); | |
| 86 container_->StackChildBelow(window, reference_window); | |
| 87 } | |
| 88 | |
| 89 void WindowListProviderImpl::RecreateWindowList() { | |
| 90 window_list_.clear(); | |
| 91 for (auto* window : container_->children()) { | |
| 92 if (window->GetProperty(kManagedKey)) | |
| 93 window_list_.push_back(window); | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 void WindowListProviderImpl::OnWindowAdded(aura::Window* window) { | |
| 98 if (!IsValidWindow(window) || window->parent() != container_) | |
| 99 return; | |
| 100 | |
| 101 window->SetProperty(kManagedKey, true); | |
| 102 RecreateWindowList(); | |
| 103 DCHECK(IsWindowInList(window)); | |
| 104 window->AddObserver(this); | |
| 105 FOR_EACH_OBSERVER( | |
| 106 WindowListProviderObserver, observers_, OnWindowAddedToList(window)); | |
| 107 } | |
| 108 | |
| 109 void WindowListProviderImpl::OnWillRemoveWindow(aura::Window* window) { | |
| 110 if (!window->GetProperty(kManagedKey)) | |
| 111 return; | |
| 112 DCHECK(IsWindowInList(window)); | |
| 113 aura::Window::Windows::iterator find = std::find(window_list_.begin(), | |
| 114 window_list_.end(), | |
| 115 window); | |
| 116 CHECK(find != window_list_.end()); | |
| 117 int index = find - window_list_.begin(); | |
| 118 window_list_.erase(find); | |
| 119 window->ClearProperty(kManagedKey); | |
| 120 window->RemoveObserver(this); | |
| 121 FOR_EACH_OBSERVER(WindowListProviderObserver, | |
| 122 observers_, | |
| 123 OnWindowRemovedFromList(window, index)); | |
| 124 } | |
| 125 | |
| 126 void WindowListProviderImpl::OnWindowStackingChanged(aura::Window* window) { | |
| 127 if (window == container_) | |
| 128 return; | |
| 129 DCHECK(IsWindowInList(window)); | |
| 130 RecreateWindowList(); | |
| 131 // Inform our listeners that the stacking has been changed. | |
| 132 FOR_EACH_OBSERVER( | |
| 133 WindowListProviderObserver, observers_, OnWindowStackingChangedInList()); | |
| 134 } | |
| 135 | |
| 136 } // namespace athena | |
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Chromium Code Reviews
Issue 863033002:
Delete athena/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master