Move files from ui/views/corewm to ui/wm/core

ui/views/corewm/compound_event_filter.cc

Index: ui/views/corewm/compound_event_filter.cc
diff --git a/ui/views/corewm/compound_event_filter.cc b/ui/views/corewm/compound_event_filter.cc
deleted file mode 100644
index 0e5609fe0d6bcdf47c5367961eb2bb7ee81721a8..0000000000000000000000000000000000000000
--- a/ui/views/corewm/compound_event_filter.cc
+++ /dev/null
@@ -1,298 +0,0 @@
-// Copyright (c) 2012 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 "ui/views/corewm/compound_event_filter.h"
-
-#include "base/containers/hash_tables.h"
-#include "base/logging.h"
-#include "ui/aura/client/activation_client.h"
-#include "ui/aura/client/cursor_client.h"
-#include "ui/aura/client/drag_drop_client.h"
-#include "ui/aura/env.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_delegate.h"
-#include "ui/aura/window_event_dispatcher.h"
-#include "ui/aura/window_tracker.h"
-#include "ui/base/hit_test.h"
-#include "ui/events/event.h"
-
-#if defined(OS_CHROMEOS) && defined(USE_X11)
-#include "ui/events/x/touch_factory_x11.h"
-#endif
-
-namespace views {
-namespace corewm {
-
-namespace {
-
-bool ShouldHideCursorOnKeyEvent(const ui::KeyEvent& event) {
-#if defined(OS_CHROMEOS)
-  // All alt and control key commands are ignored.
-  if (event.IsAltDown() || event.IsControlDown())
-    return false;
-
-  static bool inited = false;
-  static base::hash_set<int32> ignored_keys;
-  if (!inited) {
-    // Modifiers.
-    ignored_keys.insert(ui::VKEY_SHIFT);
-    ignored_keys.insert(ui::VKEY_CONTROL);
-    ignored_keys.insert(ui::VKEY_MENU);
-
-    // Search key == VKEY_LWIN.
-    ignored_keys.insert(ui::VKEY_LWIN);
-
-    // Function keys.
-    for (int key = ui::VKEY_F1; key <= ui::VKEY_F24; ++key)
-      ignored_keys.insert(key);
-
-    // Media keys.
-    for (int key = ui::VKEY_BROWSER_BACK; key <= ui::VKEY_MEDIA_LAUNCH_APP2;
-         ++key) {
-      ignored_keys.insert(key);
-    }
-
-#if defined(OS_POSIX)
-    ignored_keys.insert(ui::VKEY_WLAN);
-    ignored_keys.insert(ui::VKEY_POWER);
-    ignored_keys.insert(ui::VKEY_BRIGHTNESS_DOWN);
-    ignored_keys.insert(ui::VKEY_BRIGHTNESS_UP);
-    ignored_keys.insert(ui::VKEY_KBD_BRIGHTNESS_DOWN);
-    ignored_keys.insert(ui::VKEY_KBD_BRIGHTNESS_UP);
-#endif
-
-    inited = true;
-  }
-
-  if (ignored_keys.count(event.key_code()) > 0)
-    return false;
-
-  return true;
-#else  // !defined(OS_CHROMEOS)
-  return false;
-#endif  // defined(OS_CHROMEOS)
-}
-
-// Returns true if the cursor should be hidden on touch events.
-bool ShouldHideCursorOnTouch(const ui::TouchEvent& event) {
-#if defined(OS_CHROMEOS)
-#if defined(USE_X11)
-  int device_id = event.source_device_id();
-  if (device_id >= 0 &&
-      !ui::TouchFactory::GetInstance()->IsMultiTouchDevice(device_id)) {
-    // If the touch event is coming from a mouse-device (i.e. not a real
-    // touch-device), then do not hide the cursor.
-    return false;
-  }
-#endif  // defined(USE_X11)
-  return true;
-#else
-  // Windows hides the cursor on touch, but we cannot track the cursor
-  // visibility or enabledness state reliably until we are able to
-  // properly flag all incoming mouse messages in HWNDMessageHandler.
-  // TODO(ananta|tdanderson): crbug.com/332430
-  return false;
-#endif
-}
-
-}  // namespace
-
-////////////////////////////////////////////////////////////////////////////////
-// CompoundEventFilter, public:
-
-CompoundEventFilter::CompoundEventFilter() {
-}
-
-CompoundEventFilter::~CompoundEventFilter() {
-  // Additional filters are not owned by CompoundEventFilter and they
-  // should all be removed when running here. |handlers_| has
-  // check_empty == true and will DCHECK failure if it is not empty.
-}
-
-// static
-gfx::NativeCursor CompoundEventFilter::CursorForWindowComponent(
-    int window_component) {
-  switch (window_component) {
-    case HTBOTTOM:
-      return ui::kCursorSouthResize;
-    case HTBOTTOMLEFT:
-      return ui::kCursorSouthWestResize;
-    case HTBOTTOMRIGHT:
-      return ui::kCursorSouthEastResize;
-    case HTLEFT:
-      return ui::kCursorWestResize;
-    case HTRIGHT:
-      return ui::kCursorEastResize;
-    case HTTOP:
-      return ui::kCursorNorthResize;
-    case HTTOPLEFT:
-      return ui::kCursorNorthWestResize;
-    case HTTOPRIGHT:
-      return ui::kCursorNorthEastResize;
-    default:
-      return ui::kCursorNull;
-  }
-}
-
-void CompoundEventFilter::AddHandler(ui::EventHandler* handler) {
-  handlers_.AddObserver(handler);
-}
-
-void CompoundEventFilter::RemoveHandler(ui::EventHandler* handler) {
-  handlers_.RemoveObserver(handler);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// CompoundEventFilter, private:
-
-void CompoundEventFilter::UpdateCursor(aura::Window* target,
-                                       ui::MouseEvent* event) {
-  // If drag and drop is in progress, let the drag drop client set the cursor
-  // instead of setting the cursor here.
-  aura::Window* root_window = target->GetRootWindow();
-  aura::client::DragDropClient* drag_drop_client =
-      aura::client::GetDragDropClient(root_window);
-  if (drag_drop_client && drag_drop_client->IsDragDropInProgress())
-    return;
-
-  aura::client::CursorClient* cursor_client =
-      aura::client::GetCursorClient(root_window);
-  if (cursor_client) {
-    gfx::NativeCursor cursor = target->GetCursor(event->location());
-    if ((event->flags() & ui::EF_IS_NON_CLIENT)) {
-      if (target->delegate()) {
-        int window_component =
-            target->delegate()->GetNonClientComponent(event->location());
-        cursor = CursorForWindowComponent(window_component);
-      } else {
-        // Allow the OS to handle non client cursors if we don't have a
-        // a delegate to handle the non client hittest.
-        return;
-      }
-    }
-    cursor_client->SetCursor(cursor);
-  }
-}
-
-void CompoundEventFilter::FilterKeyEvent(ui::KeyEvent* event) {
-  if (handlers_.might_have_observers()) {
-    ObserverListBase<ui::EventHandler>::Iterator it(handlers_);
-    ui::EventHandler* handler;
-    while (!event->stopped_propagation() && (handler = it.GetNext()) != NULL)
-      handler->OnKeyEvent(event);
-  }
-}
-
-void CompoundEventFilter::FilterMouseEvent(ui::MouseEvent* event) {
-  if (handlers_.might_have_observers()) {
-    ObserverListBase<ui::EventHandler>::Iterator it(handlers_);
-    ui::EventHandler* handler;
-    while (!event->stopped_propagation() && (handler = it.GetNext()) != NULL)
-      handler->OnMouseEvent(event);
-  }
-}
-
-void CompoundEventFilter::FilterTouchEvent(ui::TouchEvent* event) {
-  if (handlers_.might_have_observers()) {
-    ObserverListBase<ui::EventHandler>::Iterator it(handlers_);
-    ui::EventHandler* handler;
-    while (!event->stopped_propagation() && (handler = it.GetNext()) != NULL)
-      handler->OnTouchEvent(event);
-  }
-}
-
-void CompoundEventFilter::SetCursorVisibilityOnEvent(aura::Window* target,
-                                                     ui::Event* event,
-                                                     bool show) {
-  if (event->flags() & ui::EF_IS_SYNTHESIZED)
-    return;
-
-  aura::client::CursorClient* client =
-      aura::client::GetCursorClient(target->GetRootWindow());
-  if (!client)
-    return;
-
-  if (show)
-    client->ShowCursor();
-  else
-    client->HideCursor();
-}
-
-void CompoundEventFilter::SetMouseEventsEnableStateOnEvent(aura::Window* target,
-                                                           ui::Event* event,
-                                                           bool enable) {
-  if (event->flags() & ui::EF_IS_SYNTHESIZED)
-    return;
-  aura::client::CursorClient* client =
-      aura::client::GetCursorClient(target->GetRootWindow());
-  if (!client)
-    return;
-
-  if (enable)
-    client->EnableMouseEvents();
-  else
-    client->DisableMouseEvents();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// CompoundEventFilter, ui::EventHandler implementation:
-
-void CompoundEventFilter::OnKeyEvent(ui::KeyEvent* event) {
-  if (ShouldHideCursorOnKeyEvent(*event)) {
-    SetCursorVisibilityOnEvent(
-        static_cast<aura::Window*>(event->target()), event, false);
-  }
-
-  FilterKeyEvent(event);
-}
-
-void CompoundEventFilter::OnMouseEvent(ui::MouseEvent* event) {
-  aura::Window* window = static_cast<aura::Window*>(event->target());
-  aura::WindowTracker window_tracker;
-  window_tracker.Add(window);
-
-  // We must always update the cursor, otherwise the cursor can get stuck if an
-  // event filter registered with us consumes the event.
-  // It should also update the cursor for clicking and wheels for ChromeOS boot.
-  // When ChromeOS is booted, it hides the mouse cursor but immediate mouse
-  // operation will show the cursor.
-  // We also update the cursor for mouse enter in case a mouse cursor is sent to
-  // outside of the root window and moved back for some reasons (e.g. running on
-  // on Desktop for testing, or a bug in pointer barrier).
-  if (event->type() == ui::ET_MOUSE_ENTERED ||
-      event->type() == ui::ET_MOUSE_MOVED ||
-      event->type() == ui::ET_MOUSE_PRESSED ||
-      event->type() == ui::ET_MOUSEWHEEL) {
-    SetMouseEventsEnableStateOnEvent(window, event, true);
-    SetCursorVisibilityOnEvent(window, event, true);
-    UpdateCursor(window, event);
-  }
-
-  FilterMouseEvent(event);
-}
-
-void CompoundEventFilter::OnScrollEvent(ui::ScrollEvent* event) {
-}
-
-void CompoundEventFilter::OnTouchEvent(ui::TouchEvent* event) {
-  FilterTouchEvent(event);
-  if (!event->handled() && event->type() == ui::ET_TOUCH_PRESSED &&
-      ShouldHideCursorOnTouch(*event) &&
-      !aura::Env::GetInstance()->IsMouseButtonDown()) {
-    SetMouseEventsEnableStateOnEvent(
-        static_cast<aura::Window*>(event->target()), event, false);
-  }
-}
-
-void CompoundEventFilter::OnGestureEvent(ui::GestureEvent* event) {
-  if (handlers_.might_have_observers()) {
-    ObserverListBase<ui::EventHandler>::Iterator it(handlers_);
-    ui::EventHandler* handler;
-    while (!event->stopped_propagation() && (handler = it.GetNext()) != NULL)
-      handler->OnGestureEvent(event);
-  }
-}
-
-}  // namespace corewm
-}  // namespace views