Add WM_EVENT_TRUSTED_PIN and WINDOW_STATE_TYPE_TRUSTED_PINNED to Ash.

ash/common/wm/maximize_mode/maximize_mode_window_state.cc

 // 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/maximize_mode/maximize_mode_window_state.h"
 
 #include <utility>
 
 #include "ash/common/shell_window_ids.h"
 #include "ash/common/wm/maximize_mode/maximize_mode_window_manager.h"
@@ skipping 124 matching lines @@
     case wm::WM_EVENT_TOGGLE_FULLSCREEN:
       ToggleFullScreen(window_state, window_state->delegate());
       break;
     case wm::WM_EVENT_FULLSCREEN:
       UpdateWindow(window_state, wm::WINDOW_STATE_TYPE_FULLSCREEN, true);
       break;
     case wm::WM_EVENT_PIN:
       if (!WmShell::Get()->IsPinned())
         UpdateWindow(window_state, wm::WINDOW_STATE_TYPE_PINNED, true);
       break;
+    case wm::WM_EVENT_TRUSTED_PIN:
+      if (!WmShell::Get()->IsPinned())
+        UpdateWindow(window_state, wm::WINDOW_STATE_TYPE_TRUSTED_PINNED, true);
+      break;
     case wm::WM_EVENT_TOGGLE_MAXIMIZE_CAPTION:
     case wm::WM_EVENT_TOGGLE_VERTICAL_MAXIMIZE:
     case wm::WM_EVENT_TOGGLE_HORIZONTAL_MAXIMIZE:
     case wm::WM_EVENT_TOGGLE_MAXIMIZE:
     case wm::WM_EVENT_CYCLE_SNAP_DOCK_LEFT:
     case wm::WM_EVENT_CYCLE_SNAP_DOCK_RIGHT:
     case wm::WM_EVENT_CENTER:
     case wm::WM_EVENT_SNAP_LEFT:
     case wm::WM_EVENT_SNAP_RIGHT:
     case wm::WM_EVENT_NORMAL:
@@ skipping 14 matching lines @@
       } else if (current_state_type_ == wm::WINDOW_STATE_TYPE_MAXIMIZED) {
         // Having a maximized window, it could have been created with an empty
         // size and the caller should get his size upon leaving the maximized
         // mode. As such we set the restore bounds to the requested bounds.
         gfx::Rect bounds_in_parent =
             (static_cast<const wm::SetBoundsEvent*>(event))->requested_bounds();
         if (!bounds_in_parent.IsEmpty())
           window_state->SetRestoreBoundsInParent(bounds_in_parent);
       } else if (current_state_type_ != wm::WINDOW_STATE_TYPE_MINIMIZED &&
                  current_state_type_ != wm::WINDOW_STATE_TYPE_FULLSCREEN &&
-                 current_state_type_ != wm::WINDOW_STATE_TYPE_PINNED) {
+                 current_state_type_ != wm::WINDOW_STATE_TYPE_PINNED &&
+                 current_state_type_ != wm::WINDOW_STATE_TYPE_TRUSTED_PINNED) {
         // In all other cases (except for minimized windows) we respect the
         // requested bounds and center it to a fully visible area on the screen.
         gfx::Rect bounds_in_parent =
             (static_cast<const wm::SetBoundsEvent*>(event))->requested_bounds();
         bounds_in_parent = GetCenteredBounds(bounds_in_parent, window_state);
         if (bounds_in_parent != window_state->window()->GetBounds()) {
           if (window_state->window()->IsVisible())
             window_state->SetBoundsDirectAnimated(bounds_in_parent);
           else
             window_state->SetBoundsDirect(bounds_in_parent);
@@ skipping 35 matching lines @@
     // We do not want to do a session restore to our window states. Therefore
     // we tell the window to use the current default states instead.
     window_state->window()->SetRestoreOverrides(restore_bounds,
                                                 window_state->GetShowState());
   }
 
   // Initialize the state to a good preset.
   if (current_state_type_ != wm::WINDOW_STATE_TYPE_MAXIMIZED &&
       current_state_type_ != wm::WINDOW_STATE_TYPE_MINIMIZED &&
       current_state_type_ != wm::WINDOW_STATE_TYPE_FULLSCREEN &&
-      current_state_type_ != wm::WINDOW_STATE_TYPE_PINNED) {
+      current_state_type_ != wm::WINDOW_STATE_TYPE_PINNED &&
+      current_state_type_ != wm::WINDOW_STATE_TYPE_TRUSTED_PINNED) {
     UpdateWindow(window_state, GetMaximizedOrCenteredWindowType(window_state),
                  true);
   }
 
   window_state->set_can_be_dragged(false);
 }
 
 void MaximizeModeWindowState::DetachState(wm::WindowState* window_state) {
   // From now on, we can use the default session restore mechanism again.
   window_state->window()->SetRestoreOverrides(gfx::Rect(),
                                               ui::SHOW_STATE_NORMAL);
   window_state->set_can_be_dragged(true);
 }
 
 void MaximizeModeWindowState::UpdateWindow(wm::WindowState* window_state,
                                            wm::WindowStateType target_state,
                                            bool animated) {
   DCHECK(target_state == wm::WINDOW_STATE_TYPE_MINIMIZED ||
          target_state == wm::WINDOW_STATE_TYPE_MAXIMIZED ||
          target_state == wm::WINDOW_STATE_TYPE_PINNED ||
+         target_state == wm::WINDOW_STATE_TYPE_TRUSTED_PINNED ||
          (target_state == wm::WINDOW_STATE_TYPE_NORMAL &&
           !window_state->CanMaximize()) ||
          target_state == wm::WINDOW_STATE_TYPE_FULLSCREEN);
 
   if (current_state_type_ == target_state) {
     if (target_state == wm::WINDOW_STATE_TYPE_MINIMIZED)
       return;
     // If the state type did not change, update it accordingly.
     UpdateBounds(window_state, animated);
     return;
@@ skipping 10 matching lines @@
     window_state->window()->Hide();
     if (window_state->IsActive())
       window_state->Deactivate();
   } else {
     UpdateBounds(window_state, animated);
   }
 
   window_state->NotifyPostStateTypeChange(old_state_type);
 
   if (old_state_type == wm::WINDOW_STATE_TYPE_PINNED ||
-      target_state == wm::WINDOW_STATE_TYPE_PINNED) {
+      target_state == wm::WINDOW_STATE_TYPE_PINNED ||
+      old_state_type == wm::WINDOW_STATE_TYPE_TRUSTED_PINNED ||
+      target_state == wm::WINDOW_STATE_TYPE_TRUSTED_PINNED) {
     WmShell::Get()->SetPinnedWindow(window_state->window());
   }
 
   if ((window_state->window()->GetTargetVisibility() ||
        old_state_type == wm::WINDOW_STATE_TYPE_MINIMIZED) &&
       !window_state->window()->GetLayer()->visible()) {
     // The layer may be hidden if the window was previously minimized. Make
     // sure it's visible.
     window_state->window()->Show();
   }
@@ skipping 22 matching lines @@
       // avoid flashing.
       if (window_state->IsMaximized())
         window_state->SetBoundsDirectCrossFade(bounds_in_parent);
       else
         window_state->SetBoundsDirectAnimated(bounds_in_parent);
     }
   }
 }
 
 }  // namespace ash