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Unified Diff: ash/common/wm/default_state.cc

Issue 2734653002: chromeos: Move files in //ash/common to //ash (Closed)
Patch Set: fix a11y tests, fix docs Created 3 years, 10 months ago
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Index: ash/common/wm/default_state.cc
diff --git a/ash/common/wm/default_state.cc b/ash/common/wm/default_state.cc
deleted file mode 100644
index 8149d7f856fc21a1871835fbd425b90fb7595c3e..0000000000000000000000000000000000000000
--- a/ash/common/wm/default_state.cc
+++ /dev/null
@@ -1,823 +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 "ash/common/wm/default_state.h"
-
-#include "ash/common/ash_switches.h"
-#include "ash/common/wm/dock/docked_window_layout_manager.h"
-#include "ash/common/wm/window_animation_types.h"
-#include "ash/common/wm/window_parenting_utils.h"
-#include "ash/common/wm/window_positioning_utils.h"
-#include "ash/common/wm/window_state.h"
-#include "ash/common/wm/window_state_delegate.h"
-#include "ash/common/wm/window_state_util.h"
-#include "ash/common/wm/wm_event.h"
-#include "ash/common/wm/wm_screen_util.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "ash/public/cpp/shell_window_ids.h"
-#include "ash/root_window_controller.h"
-#include "ui/display/display.h"
-#include "ui/display/screen.h"
-
-namespace ash {
-namespace wm {
-namespace {
-
-// This specifies how much percent (30%) of a window rect
-// must be visible when the window is added to the workspace.
-const float kMinimumPercentOnScreenArea = 0.3f;
-
-// When a window that has restore bounds at least as large as a work area is
-// unmaximized, inset the bounds slightly so that they are not exactly the same.
-// This makes it easier to resize the window.
-const int kMaximizedWindowInset = 10; // DIPs.
-
-bool IsMinimizedWindowState(const WindowStateType state_type) {
- return state_type == WINDOW_STATE_TYPE_MINIMIZED ||
- state_type == WINDOW_STATE_TYPE_DOCKED_MINIMIZED;
-}
-
-void MoveToDisplayForRestore(WindowState* window_state) {
- if (!window_state->HasRestoreBounds())
- return;
- const gfx::Rect restore_bounds = window_state->GetRestoreBoundsInScreen();
-
- // Move only if the restore bounds is outside of
- // the display. There is no information about in which
- // display it should be restored, so this is best guess.
- // TODO(oshima): Restore information should contain the
- // work area information like WindowResizer does for the
- // last window location.
- gfx::Rect display_area =
- window_state->window()->GetDisplayNearestWindow().bounds();
-
- if (!display_area.Intersects(restore_bounds)) {
- const display::Display& display =
- display::Screen::GetScreen()->GetDisplayMatching(restore_bounds);
- WmShell* shell = window_state->window()->GetShell();
- WmWindow* new_root = shell->GetRootWindowForDisplayId(display.id());
- if (new_root != window_state->window()->GetRootWindow()) {
- WmWindow* new_container = new_root->GetChildByShellWindowId(
- window_state->window()->GetParent()->GetShellWindowId());
- new_container->AddChild(window_state->window());
- }
- }
-}
-
-DockedWindowLayoutManager* GetDockedWindowLayoutManager(WmShell* shell) {
- return DockedWindowLayoutManager::Get(shell->GetActiveWindow());
-}
-
-class ScopedPreferredAlignmentResetter {
- public:
- ScopedPreferredAlignmentResetter(DockedAlignment dock_alignment,
- DockedWindowLayoutManager* dock_layout)
- : docked_window_layout_manager_(dock_layout) {
- docked_window_layout_manager_->set_preferred_alignment(dock_alignment);
- }
- ~ScopedPreferredAlignmentResetter() {
- docked_window_layout_manager_->set_preferred_alignment(
- DOCKED_ALIGNMENT_NONE);
- }
-
- private:
- DockedWindowLayoutManager* docked_window_layout_manager_;
-
- DISALLOW_COPY_AND_ASSIGN(ScopedPreferredAlignmentResetter);
-};
-
-class ScopedDockedLayoutEventSourceResetter {
- public:
- ScopedDockedLayoutEventSourceResetter(DockedWindowLayoutManager* dock_layout)
- : docked_window_layout_manager_(dock_layout) {
- docked_window_layout_manager_->set_event_source(
- DOCKED_ACTION_SOURCE_KEYBOARD);
- }
- ~ScopedDockedLayoutEventSourceResetter() {
- docked_window_layout_manager_->set_event_source(
- DOCKED_ACTION_SOURCE_UNKNOWN);
- }
-
- private:
- DockedWindowLayoutManager* docked_window_layout_manager_;
-
- DISALLOW_COPY_AND_ASSIGN(ScopedDockedLayoutEventSourceResetter);
-};
-
-void CycleSnap(WindowState* window_state, WMEventType event) {
- DCHECK(!ash::switches::DockedWindowsEnabled());
-
- wm::WindowStateType desired_snap_state =
- event == WM_EVENT_CYCLE_SNAP_DOCK_LEFT
- ? wm::WINDOW_STATE_TYPE_LEFT_SNAPPED
- : wm::WINDOW_STATE_TYPE_RIGHT_SNAPPED;
-
- if (window_state->CanSnap() &&
- window_state->GetStateType() != desired_snap_state &&
- window_state->window()->GetType() != ui::wm::WINDOW_TYPE_PANEL) {
- const wm::WMEvent event(desired_snap_state ==
- wm::WINDOW_STATE_TYPE_LEFT_SNAPPED
- ? wm::WM_EVENT_SNAP_LEFT
- : wm::WM_EVENT_SNAP_RIGHT);
- window_state->OnWMEvent(&event);
- return;
- }
-
- if (window_state->IsSnapped()) {
- window_state->Restore();
- return;
- }
- window_state->window()->Animate(::wm::WINDOW_ANIMATION_TYPE_BOUNCE);
-}
-
-void CycleSnapDock(WindowState* window_state, WMEventType event) {
- DCHECK(ash::switches::DockedWindowsEnabled());
-
- DockedWindowLayoutManager* dock_layout =
- GetDockedWindowLayoutManager(window_state->window()->GetShell());
- wm::WindowStateType desired_snap_state =
- event == WM_EVENT_CYCLE_SNAP_DOCK_LEFT
- ? wm::WINDOW_STATE_TYPE_LEFT_SNAPPED
- : wm::WINDOW_STATE_TYPE_RIGHT_SNAPPED;
- DockedAlignment desired_dock_alignment =
- event == WM_EVENT_CYCLE_SNAP_DOCK_LEFT ? DOCKED_ALIGNMENT_LEFT
- : DOCKED_ALIGNMENT_RIGHT;
- DockedAlignment current_dock_alignment =
- dock_layout ? dock_layout->CalculateAlignment() : DOCKED_ALIGNMENT_NONE;
-
- if (!window_state->IsDocked() ||
- (current_dock_alignment != DOCKED_ALIGNMENT_NONE &&
- current_dock_alignment != desired_dock_alignment)) {
- if (window_state->CanSnap() &&
- window_state->GetStateType() != desired_snap_state &&
- window_state->window()->GetType() != ui::wm::WINDOW_TYPE_PANEL) {
- const wm::WMEvent event(desired_snap_state ==
- wm::WINDOW_STATE_TYPE_LEFT_SNAPPED
- ? wm::WM_EVENT_SNAP_LEFT
- : wm::WM_EVENT_SNAP_RIGHT);
- window_state->OnWMEvent(&event);
- return;
- }
-
- if (dock_layout &&
- dock_layout->CanDockWindow(window_state->window(),
- desired_dock_alignment)) {
- if (window_state->IsDocked()) {
- dock_layout->MaybeSetDesiredDockedAlignment(desired_dock_alignment);
- return;
- }
-
- ScopedDockedLayoutEventSourceResetter event_source_resetter(dock_layout);
- ScopedPreferredAlignmentResetter alignmentResetter(desired_dock_alignment,
- dock_layout);
- const wm::WMEvent event(wm::WM_EVENT_DOCK);
- window_state->OnWMEvent(&event);
- return;
- }
- }
-
- if (window_state->IsDocked() || window_state->IsSnapped()) {
- ScopedDockedLayoutEventSourceResetter event_source_resetter(dock_layout);
- window_state->Restore();
- return;
- }
- window_state->window()->Animate(::wm::WINDOW_ANIMATION_TYPE_BOUNCE);
-}
-
-} // namespace
-
-DefaultState::DefaultState(WindowStateType initial_state_type)
- : state_type_(initial_state_type), stored_window_state_(nullptr) {}
-DefaultState::~DefaultState() {}
-
-void DefaultState::OnWMEvent(WindowState* window_state, const WMEvent* event) {
- if (ProcessWorkspaceEvents(window_state, event))
- return;
-
- // Do not change the PINNED window state if this is not unpin event.
- if (window_state->IsTrustedPinned() && event->type() != WM_EVENT_NORMAL)
- return;
-
- if (ProcessCompoundEvents(window_state, event))
- return;
-
- WindowStateType current_state_type = window_state->GetStateType();
- WindowStateType next_state_type = WINDOW_STATE_TYPE_NORMAL;
- switch (event->type()) {
- case WM_EVENT_NORMAL:
- next_state_type = current_state_type == WINDOW_STATE_TYPE_DOCKED_MINIMIZED
- ? WINDOW_STATE_TYPE_DOCKED
- : WINDOW_STATE_TYPE_NORMAL;
- break;
- case WM_EVENT_MAXIMIZE:
- next_state_type = WINDOW_STATE_TYPE_MAXIMIZED;
- break;
- case WM_EVENT_MINIMIZE:
- next_state_type = current_state_type == WINDOW_STATE_TYPE_DOCKED
- ? WINDOW_STATE_TYPE_DOCKED_MINIMIZED
- : WINDOW_STATE_TYPE_MINIMIZED;
- break;
- case WM_EVENT_FULLSCREEN:
- next_state_type = WINDOW_STATE_TYPE_FULLSCREEN;
- break;
- case WM_EVENT_SNAP_LEFT:
- next_state_type = WINDOW_STATE_TYPE_LEFT_SNAPPED;
- break;
- case WM_EVENT_SNAP_RIGHT:
- next_state_type = WINDOW_STATE_TYPE_RIGHT_SNAPPED;
- break;
- case WM_EVENT_DOCK:
- next_state_type = WINDOW_STATE_TYPE_DOCKED;
- break;
- case WM_EVENT_SET_BOUNDS:
- SetBounds(window_state, static_cast<const SetBoundsEvent*>(event));
- return;
- case WM_EVENT_SHOW_INACTIVE:
- next_state_type = WINDOW_STATE_TYPE_INACTIVE;
- break;
- case WM_EVENT_PIN:
- case WM_EVENT_TRUSTED_PIN:
- // If there already is a pinned window, it is not allowed to set it
- // to this window.
- // TODO(hidehiko): If a system modal window is openening, the pinning
- // probably should fail.
- if (WmShell::Get()->IsPinned()) {
- LOG(ERROR) << "An PIN event will be failed since another window is "
- << "already in pinned mode.";
- next_state_type = current_state_type;
- } else {
- next_state_type = event->type() == WM_EVENT_PIN
- ? WINDOW_STATE_TYPE_PINNED
- : WINDOW_STATE_TYPE_TRUSTED_PINNED;
- }
- break;
- case WM_EVENT_TOGGLE_MAXIMIZE_CAPTION:
- case WM_EVENT_TOGGLE_MAXIMIZE:
- case WM_EVENT_TOGGLE_VERTICAL_MAXIMIZE:
- case WM_EVENT_TOGGLE_HORIZONTAL_MAXIMIZE:
- case WM_EVENT_TOGGLE_FULLSCREEN:
- case WM_EVENT_CYCLE_SNAP_DOCK_LEFT:
- case WM_EVENT_CYCLE_SNAP_DOCK_RIGHT:
- case WM_EVENT_CENTER:
- NOTREACHED() << "Compound event should not reach here:" << event;
- return;
- case WM_EVENT_ADDED_TO_WORKSPACE:
- case WM_EVENT_WORKAREA_BOUNDS_CHANGED:
- case WM_EVENT_DISPLAY_BOUNDS_CHANGED:
- NOTREACHED() << "Workspace event should not reach here:" << event;
- return;
- }
-
- if (next_state_type == current_state_type && window_state->IsSnapped()) {
- gfx::Rect snapped_bounds =
- event->type() == WM_EVENT_SNAP_LEFT
- ? GetDefaultLeftSnappedWindowBoundsInParent(window_state->window())
- : GetDefaultRightSnappedWindowBoundsInParent(
- window_state->window());
- window_state->SetBoundsDirectAnimated(snapped_bounds);
- return;
- }
-
- if (event->type() == WM_EVENT_SNAP_LEFT ||
- event->type() == WM_EVENT_SNAP_RIGHT) {
- window_state->set_bounds_changed_by_user(true);
- }
-
- EnterToNextState(window_state, next_state_type);
-}
-
-WindowStateType DefaultState::GetType() const {
- return state_type_;
-}
-
-void DefaultState::AttachState(WindowState* window_state,
- WindowState::State* state_in_previous_mode) {
- DCHECK_EQ(stored_window_state_, window_state);
-
- ReenterToCurrentState(window_state, state_in_previous_mode);
-
- // If the display has changed while in the another mode,
- // we need to let windows know the change.
- display::Display current_display =
- window_state->window()->GetDisplayNearestWindow();
- if (stored_display_state_.bounds() != current_display.bounds()) {
- const WMEvent event(wm::WM_EVENT_DISPLAY_BOUNDS_CHANGED);
- window_state->OnWMEvent(&event);
- } else if (stored_display_state_.work_area() != current_display.work_area()) {
- const WMEvent event(wm::WM_EVENT_WORKAREA_BOUNDS_CHANGED);
- window_state->OnWMEvent(&event);
- }
-}
-
-void DefaultState::DetachState(WindowState* window_state) {
- stored_window_state_ = window_state;
- stored_bounds_ = window_state->window()->GetBounds();
- stored_restore_bounds_ = window_state->HasRestoreBounds()
- ? window_state->GetRestoreBoundsInParent()
- : gfx::Rect();
- // Remember the display state so that in case of the display change
- // while in the other mode, we can perform necessary action to
- // restore the window state to the proper state for the current
- // display.
- stored_display_state_ = window_state->window()->GetDisplayNearestWindow();
-}
-
-// static
-bool DefaultState::ProcessCompoundEvents(WindowState* window_state,
- const WMEvent* event) {
- WmWindow* window = window_state->window();
-
- switch (event->type()) {
- case WM_EVENT_TOGGLE_MAXIMIZE_CAPTION:
- if (window_state->IsFullscreen()) {
- const wm::WMEvent event(wm::WM_EVENT_TOGGLE_FULLSCREEN);
- window_state->OnWMEvent(&event);
- } else if (window_state->IsMaximized()) {
- window_state->Restore();
- } else if (window_state->IsNormalOrSnapped()) {
- if (window_state->CanMaximize())
- window_state->Maximize();
- }
- return true;
- case WM_EVENT_TOGGLE_MAXIMIZE:
- if (window_state->IsFullscreen()) {
- const wm::WMEvent event(wm::WM_EVENT_TOGGLE_FULLSCREEN);
- window_state->OnWMEvent(&event);
- } else if (window_state->IsMaximized()) {
- window_state->Restore();
- } else if (window_state->CanMaximize()) {
- window_state->Maximize();
- }
- return true;
- case WM_EVENT_TOGGLE_VERTICAL_MAXIMIZE: {
- gfx::Rect work_area = GetDisplayWorkAreaBoundsInParent(window);
-
- // Maximize vertically if:
- // - The window does not have a max height defined.
- // - The window has the normal state type. Snapped windows are excluded
- // because they are already maximized vertically and reverting to the
- // restored bounds looks weird.
- if (window->GetMaximumSize().height() != 0 ||
- !window_state->IsNormalStateType()) {
- return true;
- }
- if (window_state->HasRestoreBounds() &&
- (window->GetBounds().height() == work_area.height() &&
- window->GetBounds().y() == work_area.y())) {
- window_state->SetAndClearRestoreBounds();
- } else {
- window_state->SaveCurrentBoundsForRestore();
- window->SetBounds(gfx::Rect(window->GetBounds().x(), work_area.y(),
- window->GetBounds().width(),
- work_area.height()));
- }
- return true;
- }
- case WM_EVENT_TOGGLE_HORIZONTAL_MAXIMIZE: {
- // Maximize horizontally if:
- // - The window does not have a max width defined.
- // - The window is snapped or has the normal state type.
- if (window->GetMaximumSize().width() != 0)
- return true;
- if (!window_state->IsNormalOrSnapped())
- return true;
- gfx::Rect work_area = GetDisplayWorkAreaBoundsInParent(window);
- if (window_state->IsNormalStateType() &&
- window_state->HasRestoreBounds() &&
- (window->GetBounds().width() == work_area.width() &&
- window->GetBounds().x() == work_area.x())) {
- window_state->SetAndClearRestoreBounds();
- } else {
- gfx::Rect new_bounds(work_area.x(), window->GetBounds().y(),
- work_area.width(), window->GetBounds().height());
-
- gfx::Rect restore_bounds = window->GetBounds();
- if (window_state->IsSnapped()) {
- window_state->SetRestoreBoundsInParent(new_bounds);
- window_state->Restore();
-
- // The restore logic prevents a window from being restored to bounds
- // which match the workspace bounds exactly so it is necessary to set
- // the bounds again below.
- }
-
- window_state->SetRestoreBoundsInParent(restore_bounds);
- window->SetBounds(new_bounds);
- }
- return true;
- }
- case WM_EVENT_TOGGLE_FULLSCREEN:
- ToggleFullScreen(window_state, window_state->delegate());
- return true;
- case WM_EVENT_CYCLE_SNAP_DOCK_LEFT:
- case WM_EVENT_CYCLE_SNAP_DOCK_RIGHT:
- if (ash::switches::DockedWindowsEnabled())
- CycleSnapDock(window_state, event->type());
- else
- CycleSnap(window_state, event->type());
- return true;
- case WM_EVENT_CENTER:
- CenterWindow(window_state);
- return true;
- case WM_EVENT_NORMAL:
- case WM_EVENT_MAXIMIZE:
- case WM_EVENT_MINIMIZE:
- case WM_EVENT_FULLSCREEN:
- case WM_EVENT_PIN:
- case WM_EVENT_TRUSTED_PIN:
- case WM_EVENT_SNAP_LEFT:
- case WM_EVENT_SNAP_RIGHT:
- case WM_EVENT_SET_BOUNDS:
- case WM_EVENT_SHOW_INACTIVE:
- case WM_EVENT_DOCK:
- break;
- case WM_EVENT_ADDED_TO_WORKSPACE:
- case WM_EVENT_WORKAREA_BOUNDS_CHANGED:
- case WM_EVENT_DISPLAY_BOUNDS_CHANGED:
- NOTREACHED() << "Workspace event should not reach here:" << event;
- break;
- }
- return false;
-}
-
-bool DefaultState::ProcessWorkspaceEvents(WindowState* window_state,
- const WMEvent* event) {
- switch (event->type()) {
- case WM_EVENT_ADDED_TO_WORKSPACE: {
- // When a window is dragged and dropped onto a different
- // root window, the bounds will be updated after they are added
- // to the root window.
- // If a window is opened as maximized or fullscreen, its bounds may be
- // empty, so update the bounds now before checking empty.
- if (window_state->is_dragged() ||
- SetMaximizedOrFullscreenBounds(window_state)) {
- return true;
- }
-
- WmWindow* window = window_state->window();
- gfx::Rect bounds = window->GetBounds();
-
- // Don't adjust window bounds if the bounds are empty as this
- // happens when a new views::Widget is created.
- if (bounds.IsEmpty())
- return true;
-
- // Only windows of type WINDOW_TYPE_NORMAL or WINDOW_TYPE_PANEL need to be
- // adjusted to have minimum visibility, because they are positioned by the
- // user and user should always be able to interact with them. Other
- // windows are positioned programmatically.
- if (!window_state->IsUserPositionable())
- return true;
-
- // Use entire display instead of workarea because the workarea can
- // be further shrunk by the docked area. The logic ensures 30%
- // visibility which should be enough to see where the window gets
- // moved.
- gfx::Rect display_area = GetDisplayBoundsInParent(window);
- int min_width = bounds.width() * wm::kMinimumPercentOnScreenArea;
- int min_height = bounds.height() * wm::kMinimumPercentOnScreenArea;
- wm::AdjustBoundsToEnsureWindowVisibility(display_area, min_width,
- min_height, &bounds);
- window_state->AdjustSnappedBounds(&bounds);
- if (window->GetBounds() != bounds)
- window_state->SetBoundsConstrained(bounds);
- return true;
- }
- case WM_EVENT_DISPLAY_BOUNDS_CHANGED: {
- if (window_state->is_dragged() ||
- SetMaximizedOrFullscreenBounds(window_state)) {
- return true;
- }
- gfx::Rect work_area_in_parent =
- GetDisplayWorkAreaBoundsInParent(window_state->window());
- gfx::Rect bounds = window_state->window()->GetTargetBounds();
- // When display bounds has changed, make sure the entire window is fully
- // visible.
- bounds.AdjustToFit(work_area_in_parent);
- window_state->AdjustSnappedBounds(&bounds);
- if (window_state->window()->GetTargetBounds() != bounds)
- window_state->SetBoundsDirectAnimated(bounds);
- return true;
- }
- case WM_EVENT_WORKAREA_BOUNDS_CHANGED: {
- // Don't resize the maximized window when the desktop is covered
- // by fullscreen window. crbug.com/504299.
- bool in_fullscreen =
- window_state->window()
- ->GetRootWindowController()
- ->GetWorkspaceWindowState() == WORKSPACE_WINDOW_STATE_FULL_SCREEN;
- if (in_fullscreen && window_state->IsMaximized())
- return true;
-
- if (window_state->is_dragged() ||
- SetMaximizedOrFullscreenBounds(window_state)) {
- return true;
- }
- gfx::Rect work_area_in_parent =
- GetDisplayWorkAreaBoundsInParent(window_state->window());
- gfx::Rect bounds = window_state->window()->GetTargetBounds();
- if (!window_state->window()->GetTransientParent()) {
- wm::AdjustBoundsToEnsureMinimumWindowVisibility(work_area_in_parent,
- &bounds);
- }
- window_state->AdjustSnappedBounds(&bounds);
- if (window_state->window()->GetTargetBounds() != bounds)
- window_state->SetBoundsDirectAnimated(bounds);
- return true;
- }
- case WM_EVENT_TOGGLE_MAXIMIZE_CAPTION:
- case WM_EVENT_TOGGLE_MAXIMIZE:
- case WM_EVENT_TOGGLE_VERTICAL_MAXIMIZE:
- case WM_EVENT_TOGGLE_HORIZONTAL_MAXIMIZE:
- case WM_EVENT_TOGGLE_FULLSCREEN:
- case WM_EVENT_CYCLE_SNAP_DOCK_LEFT:
- case WM_EVENT_CYCLE_SNAP_DOCK_RIGHT:
- case WM_EVENT_CENTER:
- case WM_EVENT_NORMAL:
- case WM_EVENT_MAXIMIZE:
- case WM_EVENT_MINIMIZE:
- case WM_EVENT_FULLSCREEN:
- case WM_EVENT_PIN:
- case WM_EVENT_TRUSTED_PIN:
- case WM_EVENT_SNAP_LEFT:
- case WM_EVENT_SNAP_RIGHT:
- case WM_EVENT_SET_BOUNDS:
- case WM_EVENT_SHOW_INACTIVE:
- case WM_EVENT_DOCK:
- break;
- }
- return false;
-}
-
-// static
-bool DefaultState::SetMaximizedOrFullscreenBounds(WindowState* window_state) {
- DCHECK(!window_state->is_dragged());
- if (window_state->IsMaximized()) {
- window_state->SetBoundsDirect(
- GetMaximizedWindowBoundsInParent(window_state->window()));
- return true;
- }
- if (window_state->IsFullscreen()) {
- window_state->SetBoundsDirect(
- GetDisplayBoundsInParent(window_state->window()));
- return true;
- }
- return false;
-}
-
-// static
-void DefaultState::SetBounds(WindowState* window_state,
- const SetBoundsEvent* event) {
- if (window_state->is_dragged()) {
- // TODO(oshima|varkha): This may be no longer needed, as the dragging
- // happens in docked window container. crbug.com/485612.
- window_state->SetBoundsDirect(event->requested_bounds());
- } else if (window_state->IsSnapped()) {
- gfx::Rect work_area_in_parent =
- GetDisplayWorkAreaBoundsInParent(window_state->window());
- gfx::Rect child_bounds(event->requested_bounds());
- wm::AdjustBoundsSmallerThan(work_area_in_parent.size(), &child_bounds);
- window_state->AdjustSnappedBounds(&child_bounds);
- window_state->SetBoundsDirect(child_bounds);
- } else if (!SetMaximizedOrFullscreenBounds(window_state) ||
- window_state->allow_set_bounds_in_maximized()) {
- window_state->SetBoundsConstrained(event->requested_bounds());
- }
-}
-
-void DefaultState::EnterToNextState(WindowState* window_state,
- WindowStateType next_state_type) {
- // Do nothing if we're already in the same state.
- if (state_type_ == next_state_type)
- return;
-
- WindowStateType previous_state_type = state_type_;
- state_type_ = next_state_type;
-
- window_state->UpdateWindowShowStateFromStateType();
- window_state->NotifyPreStateTypeChange(previous_state_type);
-
- if (window_state->window()->GetParent()) {
- if (!window_state->HasRestoreBounds() &&
- (previous_state_type == WINDOW_STATE_TYPE_DEFAULT ||
- previous_state_type == WINDOW_STATE_TYPE_NORMAL) &&
- !window_state->IsMinimized() && !window_state->IsNormalStateType()) {
- window_state->SaveCurrentBoundsForRestore();
- }
-
- // When restoring from a minimized state, we want to restore to the
- // previous bounds. However, we want to maintain the restore bounds.
- // (The restore bounds are set if a user maximized the window in one
- // axis by double clicking the window border for example).
- gfx::Rect restore_bounds_in_screen;
- if (previous_state_type == WINDOW_STATE_TYPE_MINIMIZED &&
- window_state->IsNormalStateType() && window_state->HasRestoreBounds() &&
- !window_state->unminimize_to_restore_bounds()) {
- restore_bounds_in_screen = window_state->GetRestoreBoundsInScreen();
- window_state->SaveCurrentBoundsForRestore();
- }
-
- if (window_state->IsMaximizedOrFullscreenOrPinned())
- MoveToDisplayForRestore(window_state);
-
- UpdateBoundsFromState(window_state, previous_state_type);
-
- // Normal state should have no restore bounds unless it's
- // unminimized.
- if (!restore_bounds_in_screen.IsEmpty())
- window_state->SetRestoreBoundsInScreen(restore_bounds_in_screen);
- else if (window_state->IsNormalStateType())
- window_state->ClearRestoreBounds();
- }
- window_state->NotifyPostStateTypeChange(previous_state_type);
-
- if (next_state_type == WINDOW_STATE_TYPE_PINNED ||
- previous_state_type == WINDOW_STATE_TYPE_PINNED ||
- next_state_type == WINDOW_STATE_TYPE_TRUSTED_PINNED ||
- previous_state_type == WINDOW_STATE_TYPE_TRUSTED_PINNED) {
- WmShell::Get()->SetPinnedWindow(window_state->window());
- }
-}
-
-void DefaultState::ReenterToCurrentState(
- WindowState* window_state,
- WindowState::State* state_in_previous_mode) {
- WindowStateType previous_state_type = state_in_previous_mode->GetType();
-
- // A state change should not move a window into or out of full screen or
- // pinned since these are "special mode" the user wanted to be in and
- // should be respected as such.
- if (previous_state_type == wm::WINDOW_STATE_TYPE_FULLSCREEN ||
- previous_state_type == wm::WINDOW_STATE_TYPE_PINNED ||
- previous_state_type == wm::WINDOW_STATE_TYPE_TRUSTED_PINNED) {
- state_type_ = previous_state_type;
- } else if (state_type_ == wm::WINDOW_STATE_TYPE_FULLSCREEN ||
- state_type_ == wm::WINDOW_STATE_TYPE_PINNED ||
- state_type_ == wm::WINDOW_STATE_TYPE_TRUSTED_PINNED) {
- state_type_ = previous_state_type;
- }
-
- window_state->UpdateWindowShowStateFromStateType();
- window_state->NotifyPreStateTypeChange(previous_state_type);
-
- if ((state_type_ == wm::WINDOW_STATE_TYPE_NORMAL ||
- state_type_ == wm::WINDOW_STATE_TYPE_DEFAULT) &&
- !stored_bounds_.IsEmpty()) {
- // Use the restore mechanism to set the bounds for
- // the window in normal state. This also covers unminimize case.
- window_state->SetRestoreBoundsInParent(stored_bounds_);
- }
-
- UpdateBoundsFromState(window_state, state_in_previous_mode->GetType());
-
- // Then restore the restore bounds to their previous value.
- if (!stored_restore_bounds_.IsEmpty())
- window_state->SetRestoreBoundsInParent(stored_restore_bounds_);
- else
- window_state->ClearRestoreBounds();
-
- window_state->NotifyPostStateTypeChange(previous_state_type);
-}
-
-void DefaultState::UpdateBoundsFromState(WindowState* window_state,
- WindowStateType previous_state_type) {
- WmWindow* window = window_state->window();
- gfx::Rect bounds_in_parent;
- switch (state_type_) {
- case WINDOW_STATE_TYPE_LEFT_SNAPPED:
- case WINDOW_STATE_TYPE_RIGHT_SNAPPED:
- bounds_in_parent =
- state_type_ == WINDOW_STATE_TYPE_LEFT_SNAPPED
- ? GetDefaultLeftSnappedWindowBoundsInParent(window)
- : GetDefaultRightSnappedWindowBoundsInParent(window);
- break;
- case WINDOW_STATE_TYPE_DOCKED: {
- // TODO(afakhry): Remove in M58.
- DCHECK(ash::switches::DockedWindowsEnabled());
- if (window->GetParent()->GetShellWindowId() !=
- kShellWindowId_DockedContainer) {
- WmWindow* docked_container =
- window->GetRootWindow()->GetChildByShellWindowId(
- kShellWindowId_DockedContainer);
- ReparentChildWithTransientChildren(window, window->GetParent(),
- docked_container);
- }
- // Return early because we don't want to update the bounds of the
- // window below; as the bounds are managed by the dock layout.
- return;
- }
- case WINDOW_STATE_TYPE_DEFAULT:
- case WINDOW_STATE_TYPE_NORMAL: {
- gfx::Rect work_area_in_parent = GetDisplayWorkAreaBoundsInParent(window);
- if (window_state->HasRestoreBounds()) {
- bounds_in_parent = window_state->GetRestoreBoundsInParent();
- // Check if the |window|'s restored size is bigger than the working area
- // This may happen if a window was resized to maximized bounds or if the
- // display resolution changed while the window was maximized.
- if (previous_state_type == WINDOW_STATE_TYPE_MAXIMIZED &&
- bounds_in_parent.width() >= work_area_in_parent.width() &&
- bounds_in_parent.height() >= work_area_in_parent.height()) {
- bounds_in_parent = work_area_in_parent;
- bounds_in_parent.Inset(kMaximizedWindowInset, kMaximizedWindowInset,
- kMaximizedWindowInset, kMaximizedWindowInset);
- }
- } else {
- bounds_in_parent = window->GetBounds();
- }
- // Make sure that part of the window is always visible.
- if (!window_state->is_dragged()) {
- // Avoid doing this while the window is being dragged as its root
- // window hasn't been updated yet in the case of dragging to another
- // display. crbug.com/666836.
- wm::AdjustBoundsToEnsureMinimumWindowVisibility(work_area_in_parent,
- &bounds_in_parent);
- }
- break;
- }
- case WINDOW_STATE_TYPE_MAXIMIZED:
- bounds_in_parent = GetMaximizedWindowBoundsInParent(window);
- break;
-
- case WINDOW_STATE_TYPE_FULLSCREEN:
- case WINDOW_STATE_TYPE_PINNED:
- case WINDOW_STATE_TYPE_TRUSTED_PINNED:
- bounds_in_parent = GetDisplayBoundsInParent(window);
- break;
-
- case WINDOW_STATE_TYPE_DOCKED_MINIMIZED:
- case WINDOW_STATE_TYPE_MINIMIZED:
- break;
- case WINDOW_STATE_TYPE_INACTIVE:
- case WINDOW_STATE_TYPE_END:
- case WINDOW_STATE_TYPE_AUTO_POSITIONED:
- return;
- }
-
- if (!window_state->IsMinimized()) {
- if (IsMinimizedWindowState(previous_state_type) ||
- window_state->IsFullscreen() || window_state->IsPinned()) {
- window_state->SetBoundsDirect(bounds_in_parent);
- } else if (window_state->IsMaximized() ||
- IsMaximizedOrFullscreenOrPinnedWindowStateType(
- previous_state_type)) {
- window_state->SetBoundsDirectCrossFade(bounds_in_parent);
- } else if (window_state->is_dragged()) {
- // SetBoundsDirectAnimated does not work when the window gets reparented.
- // TODO(oshima): Consider fixing it and reenable the animation.
- window_state->SetBoundsDirect(bounds_in_parent);
- } else {
- window_state->SetBoundsDirectAnimated(bounds_in_parent);
- }
- }
-
- if (window_state->IsMinimized()) {
- // Save the previous show state so that we can correctly restore it after
- // exiting the minimized mode.
- window->SetPreMinimizedShowState(ToWindowShowState(previous_state_type));
- window->SetVisibilityAnimationType(
- WINDOW_VISIBILITY_ANIMATION_TYPE_MINIMIZE);
-
- // Hide the window.
- window->Hide();
- // Activate another window.
- if (window_state->IsActive())
- window_state->Deactivate();
- } else if ((window->GetTargetVisibility() ||
- IsMinimizedWindowState(previous_state_type)) &&
- !window->GetLayerVisible()) {
- // The layer may be hidden if the window was previously minimized. Make
- // sure it's visible.
- window->Show();
- if (IsMinimizedWindowState(previous_state_type) &&
- !window_state->IsMaximizedOrFullscreenOrPinned()) {
- window_state->set_unminimize_to_restore_bounds(false);
- }
- }
-}
-
-// static
-void DefaultState::CenterWindow(WindowState* window_state) {
- if (!window_state->IsNormalOrSnapped())
- return;
- WmWindow* window = window_state->window();
- if (window_state->IsSnapped()) {
- gfx::Rect center_in_screen = window->GetDisplayNearestWindow().work_area();
- gfx::Size size = window_state->HasRestoreBounds()
- ? window_state->GetRestoreBoundsInScreen().size()
- : window->GetBounds().size();
- center_in_screen.ClampToCenteredSize(size);
- window_state->SetRestoreBoundsInScreen(center_in_screen);
- window_state->Restore();
- } else {
- gfx::Rect center_in_parent = GetDisplayWorkAreaBoundsInParent(window);
- center_in_parent.ClampToCenteredSize(window->GetBounds().size());
- window_state->SetBoundsDirectAnimated(center_in_parent);
- }
- // Centering window is treated as if a user moved and resized the window.
- window_state->set_bounds_changed_by_user(true);
-}
-
-} // namespace wm
-} // namespace ash
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