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| 1 // Copyright (c) 2012 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 "ash/wm/ash_activation_controller.h" | |
| 6 | |
| 7 #include "ash/launcher/launcher.h" | |
| 8 #include "ash/root_window_controller.h" | |
| 9 #include "ash/shelf/shelf_widget.h" | |
| 10 #include "ash/shell.h" | |
| 11 #include "ash/shell_delegate.h" | |
| 12 #include "ash/wm/activation_controller.h" | |
| 13 #include "ash/wm/property_util.h" | |
| 14 #include "ash/wm/window_util.h" | |
| 15 #include "ash/wm/workspace_controller.h" | |
| 16 #include "ui/views/corewm/window_modality_controller.h" | |
| 17 #include "ui/views/widget/widget.h" | |
| 18 | |
| 19 namespace ash { | |
| 20 namespace internal { | |
| 21 | |
| 22 //////////////////////////////////////////////////////////////////////////////// | |
| 23 // AshActivationController, public: | |
| 24 | |
| 25 AshActivationController::AshActivationController() { | |
| 26 } | |
| 27 | |
| 28 AshActivationController::~AshActivationController() { | |
| 29 } | |
| 30 | |
| 31 //////////////////////////////////////////////////////////////////////////////// | |
| 32 // AshActivationController, ActivationControllerDelegate implementation: | |
| 33 | |
| 34 aura::Window* AshActivationController::WillActivateWindow( | |
| 35 aura::Window* window) { | |
| 36 aura::Window* window_modal_transient = | |
| 37 views::corewm::GetModalTransient(window); | |
| 38 if (window_modal_transient) | |
| 39 return window_modal_transient; | |
| 40 | |
| 41 // Fallback to launcher | |
| 42 if (!window) | |
| 43 window = PrepareToActivateLauncher(); | |
| 44 | |
| 45 // Restore minimized window. This needs to be done before CanReceiveEvents() | |
| 46 // is called as that function checks window visibility. | |
| 47 if (window && wm::IsWindowMinimized(window)) | |
| 48 window->Show(); | |
| 49 | |
| 50 // If the screen is locked, just bring the window to top so that | |
| 51 // it will be activated when the lock window is destroyed. | |
| 52 // TODO(beng): Call EventClient directly here, rather than conflating with | |
| 53 // window visibility. | |
| 54 if (window && !window->CanReceiveEvents()) | |
| 55 return NULL; | |
| 56 | |
| 57 // TODO(beng): could probably move to being a ActivationChangeObserver on | |
| 58 // Shell. | |
| 59 if (window) { | |
| 60 DCHECK(window->GetRootWindow()); | |
| 61 Shell::GetInstance()->set_active_root_window(window->GetRootWindow()); | |
| 62 } | |
| 63 return window; | |
| 64 } | |
| 65 | |
| 66 aura::Window* AshActivationController::WillFocusWindow( | |
| 67 aura::Window* window) { | |
| 68 aura::Window* window_modal_transient = | |
| 69 views::corewm::GetModalTransient(window); | |
| 70 if (window_modal_transient) | |
| 71 return window_modal_transient; | |
| 72 return window; | |
| 73 } | |
| 74 | |
| 75 aura::Window* AshActivationController::PrepareToActivateLauncher() { | |
| 76 // If workspace controller is not available, then it means that the root | |
| 77 // window is being destroyed. We can't activate any window then. | |
| 78 if (!GetRootWindowController( | |
| 79 Shell::GetActiveRootWindow())->workspace_controller()) { | |
| 80 return NULL; | |
| 81 } | |
| 82 // Fallback to a launcher only when Spoken feedback is enabled. | |
| 83 if (!Shell::GetInstance()->delegate()->IsSpokenFeedbackEnabled()) | |
| 84 return NULL; | |
| 85 ShelfWidget* shelf = GetRootWindowController( | |
| 86 Shell::GetActiveRootWindow())->shelf(); | |
| 87 // Launcher's window may be already destroyed in shutting down process. | |
| 88 if (!shelf) | |
| 89 return NULL; | |
| 90 // Notify launcher to allow activation via CanActivate(). | |
| 91 shelf->WillActivateAsFallback(); | |
| 92 return shelf->GetNativeWindow(); | |
| 93 } | |
| 94 | |
| 95 } // namespace internal | |
| 96 } // namespace ash | |
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Chromium Code Reviews
Issue 23874013:
Remove old activation code and disable-focus-controller flags (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src