Index: services/window_manager/focus_controller.cc |
diff --git a/services/window_manager/focus_controller.cc b/services/window_manager/focus_controller.cc |
deleted file mode 100644 |
index dd1ec6a5f799f5bb519d5f01ab25b9eb40ba12da..0000000000000000000000000000000000000000 |
--- a/services/window_manager/focus_controller.cc |
+++ /dev/null |
@@ -1,317 +0,0 @@ |
-// Copyright 2014 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 "services/window_manager/focus_controller.h" |
- |
-#include "base/auto_reset.h" |
-#include "mojo/services/view_manager/cpp/view_property.h" |
-#include "mojo/services/view_manager/cpp/view_tracker.h" |
-#include "services/window_manager/focus_controller_observer.h" |
-#include "services/window_manager/focus_rules.h" |
-#include "services/window_manager/view_target.h" |
-#include "services/window_manager/window_manager_app.h" |
-#include "ui/events/event.h" |
- |
-DECLARE_VIEW_PROPERTY_TYPE(window_manager::FocusController*); |
- |
-using mojo::View; |
- |
-namespace window_manager { |
- |
-namespace { |
-DEFINE_VIEW_PROPERTY_KEY(FocusController*, kRootViewFocusController, nullptr); |
-} // namespace |
- |
-FocusController::FocusController(scoped_ptr<FocusRules> rules) |
- : active_view_(nullptr), |
- focused_view_(nullptr), |
- updating_focus_(false), |
- updating_activation_(false), |
- rules_(rules.Pass()), |
- observer_manager_(this) { |
- DCHECK(rules_); |
-} |
- |
-FocusController::~FocusController() {} |
- |
-void FocusController::AddObserver(FocusControllerObserver* observer) { |
- focus_controller_observers_.AddObserver(observer); |
-} |
- |
-void FocusController::RemoveObserver(FocusControllerObserver* observer) { |
- focus_controller_observers_.RemoveObserver(observer); |
-} |
- |
-void FocusController::ActivateView(View* view) { |
- FocusView(view); |
-} |
- |
-void FocusController::DeactivateView(View* view) { |
- if (view) |
- FocusView(rules_->GetNextActivatableView(view)); |
-} |
- |
-View* FocusController::GetActiveView() { |
- return active_view_; |
-} |
- |
-View* FocusController::GetActivatableView(View* view) { |
- return rules_->GetActivatableView(view); |
-} |
- |
-View* FocusController::GetToplevelView(View* view) { |
- return rules_->GetToplevelView(view); |
-} |
- |
-bool FocusController::CanActivateView(View* view) const { |
- return rules_->CanActivateView(view); |
-} |
- |
-void FocusController::FocusView(View* view) { |
- if (view && |
- (view->Contains(focused_view_) || view->Contains(active_view_))) { |
- return; |
- } |
- |
- // Focusing a window also activates its containing activatable window. Note |
- // that the rules could redirect activation activation and/or focus. |
- View* focusable = rules_->GetFocusableView(view); |
- View* activatable = |
- focusable ? rules_->GetActivatableView(focusable) : nullptr; |
- |
- // We need valid focusable/activatable windows in the event we're not clearing |
- // focus. "Clearing focus" is inferred by whether or not |window| passed to |
- // this function is non-null. |
- if (view && (!focusable || !activatable)) |
- return; |
- DCHECK((focusable && activatable) || !view); |
- |
- // Activation change observers may change the focused window. If this happens |
- // we must not adjust the focus below since this will clobber that change. |
- View* last_focused_view = focused_view_; |
- if (!updating_activation_) |
- SetActiveView(view, activatable); |
- |
- // If the window's ActivationChangeObserver shifted focus to a valid window, |
- // we don't want to focus the window we thought would be focused by default. |
- bool activation_changed_focus = last_focused_view != focused_view_; |
- if (!updating_focus_ && (!activation_changed_focus || !focused_view_)) { |
- if (active_view_ && focusable) |
- DCHECK(active_view_->Contains(focusable)); |
- SetFocusedView(focusable); |
- } |
-} |
- |
-void FocusController::ResetFocusWithinActiveView(View* view) { |
- DCHECK(view); |
- if (!active_view_) |
- return; |
- if (!active_view_->Contains(view)) |
- return; |
- SetFocusedView(view); |
-} |
- |
-View* FocusController::GetFocusedView() { |
- return focused_view_; |
-} |
- |
-//////////////////////////////////////////////////////////////////////////////// |
-// FocusController, ui::EventHandler implementation: |
- |
-void FocusController::OnKeyEvent(ui::KeyEvent* event) { |
-} |
- |
-void FocusController::OnMouseEvent(ui::MouseEvent* event) { |
- if (event->type() == ui::ET_MOUSE_PRESSED && !event->handled()) { |
- View* view = static_cast<ViewTarget*>(event->target())->view(); |
- ViewFocusedFromInputEvent(view); |
- } |
-} |
- |
-void FocusController::OnScrollEvent(ui::ScrollEvent* event) { |
-} |
- |
-void FocusController::OnTouchEvent(ui::TouchEvent* event) { |
- if (event->type() == ui::ET_TOUCH_PRESSED && !event->handled()) { |
- View* view = static_cast<ViewTarget*>(event->target())->view(); |
- ViewFocusedFromInputEvent(view); |
- } |
-} |
- |
-void FocusController::OnGestureEvent(ui::GestureEvent* event) { |
- if (event->type() == ui::ET_GESTURE_BEGIN && |
- event->details().touch_points() == 1 && |
- !event->handled()) { |
- View* view = static_cast<ViewTarget*>(event->target())->view(); |
- ViewFocusedFromInputEvent(view); |
- } |
-} |
- |
-//////////////////////////////////////////////////////////////////////////////// |
-// FocusController, mojo::ViewObserver implementation: |
- |
-void FocusController::OnViewVisibilityChanged(View* view) { |
- bool visible = view->visible(); |
- if (!visible) |
- ViewLostFocusFromDispositionChange(view, view->parent()); |
-} |
- |
-void FocusController::OnViewDestroying(View* view) { |
- ViewLostFocusFromDispositionChange(view, view->parent()); |
-} |
- |
-void FocusController::OnTreeChanging(const TreeChangeParams& params) { |
- // TODO(erg): In the aura version, you could get into a situation where you |
- // have different focus clients, so you had to check for that. Does that |
- // happen here? Could we get away with not checking if it does? |
- if (params.receiver == active_view_ && |
- params.target->Contains(params.receiver) && |
- (!params.new_parent || |
- /* different_focus_clients */ false)) { |
- ViewLostFocusFromDispositionChange(params.receiver, params.old_parent); |
- } |
-} |
- |
-void FocusController::OnTreeChanged(const TreeChangeParams& params) { |
- // TODO(erg): Same as Changing version. |
- if (params.receiver == focused_view_ && |
- params.target->Contains(params.receiver) && |
- (!params.new_parent || |
- /* different_focus_clients */ false)) { |
- ViewLostFocusFromDispositionChange(params.receiver, params.old_parent); |
- } |
-} |
- |
-//////////////////////////////////////////////////////////////////////////////// |
-// FocusController, private: |
- |
-void FocusController::SetFocusedView(View* view) { |
- if (updating_focus_ || view == focused_view_) |
- return; |
- DCHECK(rules_->CanFocusView(view)); |
- if (view) |
- DCHECK_EQ(view, rules_->GetFocusableView(view)); |
- |
- base::AutoReset<bool> updating_focus(&updating_focus_, true); |
- View* lost_focus = focused_view_; |
- |
- // TODO(erg): In the aura version, we reset the text input client here. Do |
- // that if we bring in something like the TextInputClient. |
- |
- // Allow for the window losing focus to be deleted during dispatch. If it is |
- // deleted pass null to observers instead of a deleted window. |
- mojo::ViewTracker view_tracker; |
- if (lost_focus) |
- view_tracker.Add(lost_focus); |
- if (focused_view_ && observer_manager_.IsObserving(focused_view_) && |
- focused_view_ != active_view_) { |
- observer_manager_.Remove(focused_view_); |
- } |
- focused_view_ = view; |
- if (focused_view_ && !observer_manager_.IsObserving(focused_view_)) |
- observer_manager_.Add(focused_view_); |
- |
- FOR_EACH_OBSERVER(FocusControllerObserver, focus_controller_observers_, |
- OnFocused(focused_view_)); |
- |
- // TODO(erg): In aura, there's a concept of a single FocusChangeObserver that |
- // is attached to an aura::Window. We don't currently have this in |
- // mojo::View, but if we add it later, we should make something analogous |
- // here. |
- |
- // TODO(erg): In the aura version, we reset the TextInputClient here, too. |
-} |
- |
-void FocusController::SetActiveView(View* requested_view, View* view) { |
- if (updating_activation_) |
- return; |
- |
- if (view == active_view_) { |
- if (requested_view) { |
- FOR_EACH_OBSERVER(FocusControllerObserver, |
- focus_controller_observers_, |
- OnAttemptToReactivateView(requested_view, |
- active_view_)); |
- } |
- return; |
- } |
- |
- DCHECK(rules_->CanActivateView(view)); |
- if (view) |
- DCHECK_EQ(view, rules_->GetActivatableView(view)); |
- |
- base::AutoReset<bool> updating_activation(&updating_activation_, true); |
- View* lost_activation = active_view_; |
- // Allow for the window losing activation to be deleted during dispatch. If |
- // it is deleted pass null to observers instead of a deleted window. |
- mojo::ViewTracker view_tracker; |
- if (lost_activation) |
- view_tracker.Add(lost_activation); |
- if (active_view_ && observer_manager_.IsObserving(active_view_) && |
- focused_view_ != active_view_) { |
- observer_manager_.Remove(active_view_); |
- } |
- active_view_ = view; |
- if (active_view_ && !observer_manager_.IsObserving(active_view_)) |
- observer_manager_.Add(active_view_); |
- |
- if (active_view_) { |
- // TODO(erg): Reenable this when we have modal windows. |
- // StackTransientParentsBelowModalWindow(active_view_); |
- |
- active_view_->MoveToFront(); |
- } |
- |
- // TODO(erg): Individual windows can have a single ActivationChangeObserver |
- // set on them. In the aura version of this code, it sends an |
- // OnWindowActivated message to both the window that lost activation, and the |
- // window that gained it. |
- |
- FOR_EACH_OBSERVER(FocusControllerObserver, focus_controller_observers_, |
- OnActivated(active_view_)); |
-} |
- |
-void FocusController::ViewLostFocusFromDispositionChange( |
- View* view, |
- View* next) { |
- // TODO(erg): We clear the modality state here in the aura::Window version of |
- // this class, and should probably do the same once we have modal windows. |
- |
- // TODO(beng): See if this function can be replaced by a call to |
- // FocusWindow(). |
- // Activation adjustments are handled first in the event of a disposition |
- // changed. If an activation change is necessary, focus is reset as part of |
- // that process so there's no point in updating focus independently. |
- if (view == active_view_) { |
- View* next_activatable = rules_->GetNextActivatableView(view); |
- SetActiveView(nullptr, next_activatable); |
- if (!(active_view_ && active_view_->Contains(focused_view_))) |
- SetFocusedView(next_activatable); |
- } else if (view->Contains(focused_view_)) { |
- // Active window isn't changing, but focused window might be. |
- SetFocusedView(rules_->GetFocusableView(next)); |
- } |
-} |
- |
-void FocusController::ViewFocusedFromInputEvent(View* view) { |
- // Only focus |window| if it or any of its parents can be focused. Otherwise |
- // FocusWindow() will focus the topmost window, which may not be the |
- // currently focused one. |
- if (rules_->CanFocusView(GetToplevelView(view))) |
- FocusView(view); |
-} |
- |
-void SetFocusController(View* root_view, FocusController* focus_controller) { |
- DCHECK_EQ(root_view->GetRoot(), root_view); |
- root_view->SetLocalProperty(kRootViewFocusController, focus_controller); |
-} |
- |
-FocusController* GetFocusController(View* root_view) { |
- if (root_view) |
- DCHECK_EQ(root_view->GetRoot(), root_view); |
- return root_view ? |
- root_view->GetLocalProperty(kRootViewFocusController) : nullptr; |
-} |
- |
-} // namespace window_manager |