chromeos: Move files in //ash/common to //ash, part 2

ash/common/accelerators/accelerator_router.cc

Index: ash/common/accelerators/accelerator_router.cc
diff --git a/ash/common/accelerators/accelerator_router.cc b/ash/common/accelerators/accelerator_router.cc
deleted file mode 100644
index 2a42383b1303c82731b130494c55bb375f6076ca..0000000000000000000000000000000000000000
--- a/ash/common/accelerators/accelerator_router.cc
+++ /dev/null
@@ -1,134 +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/accelerators/accelerator_router.h"
-
-#include "ash/common/accelerators/accelerator_controller.h"
-#include "ash/common/wm/window_state.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "base/metrics/histogram_macros.h"
-#include "base/stl_util.h"
-#include "ui/base/accelerators/accelerator.h"
-#include "ui/events/event.h"
-
-namespace ash {
-
-namespace {
-
-// Returns true if |key_code| is a key usually handled directly by the shell.
-bool IsSystemKey(ui::KeyboardCode key_code) {
-  switch (key_code) {
-    case ui::VKEY_MEDIA_LAUNCH_APP2:  // Fullscreen button.
-    case ui::VKEY_MEDIA_LAUNCH_APP1:  // Overview button.
-    case ui::VKEY_BRIGHTNESS_DOWN:
-    case ui::VKEY_BRIGHTNESS_UP:
-    case ui::VKEY_KBD_BRIGHTNESS_DOWN:
-    case ui::VKEY_KBD_BRIGHTNESS_UP:
-    case ui::VKEY_VOLUME_MUTE:
-    case ui::VKEY_VOLUME_DOWN:
-    case ui::VKEY_VOLUME_UP:
-    case ui::VKEY_POWER:
-      return true;
-    default:
-      return false;
-  }
-}
-
-}  // namespace
-
-AcceleratorRouter::AcceleratorRouter() {}
-
-AcceleratorRouter::~AcceleratorRouter() {}
-
-bool AcceleratorRouter::ProcessAccelerator(WmWindow* target,
-                                           const ui::KeyEvent& key_event,
-                                           const ui::Accelerator& accelerator) {
-  // Callers should never supply null.
-  DCHECK(target);
-  RecordSearchKeyStats(accelerator);
-  // Special hardware keys like brightness and volume are handled in
-  // special way. However, some windows can override this behavior
-  // (e.g. Chrome v1 apps by default and Chrome v2 apps with
-  // permission) by setting a window property.
-  if (IsSystemKey(key_event.key_code()) &&
-      !CanConsumeSystemKeys(target, key_event)) {
-    // System keys are always consumed regardless of whether they trigger an
-    // accelerator to prevent windows from seeing unexpected key up events.
-    WmShell::Get()->accelerator_controller()->Process(accelerator);
-    return true;
-  }
-  if (!ShouldProcessAcceleratorNow(target, key_event, accelerator))
-    return false;
-  return WmShell::Get()->accelerator_controller()->Process(accelerator);
-}
-
-void AcceleratorRouter::RecordSearchKeyStats(
-    const ui::Accelerator& accelerator) {
-  if (accelerator.IsCmdDown()) {
-    if (search_key_state_ == RELEASED) {
-      search_key_state_ = PRESSED;
-      search_key_pressed_timestamp_ = base::TimeTicks::Now();
-    }
-
-    if (accelerator.key_code() != ui::KeyboardCode::VKEY_COMMAND &&
-        search_key_state_ == PRESSED) {
-      search_key_state_ = RECORDED;
-      UMA_HISTOGRAM_TIMES(
-          "Keyboard.Shortcuts.CrosSearchKeyDelay",
-          base::TimeTicks::Now() - search_key_pressed_timestamp_);
-    }
-  } else {
-    search_key_state_ = RELEASED;
-  }
-}
-
-bool AcceleratorRouter::CanConsumeSystemKeys(WmWindow* target,
-                                             const ui::KeyEvent& event) {
-  // Uses the top level window so if the target is a web contents window the
-  // containing parent window will be checked for the property.
-  WmWindow* top_level = target->GetToplevelWindowForFocus();
-  return top_level && top_level->GetWindowState()->can_consume_system_keys();
-}
-
-bool AcceleratorRouter::ShouldProcessAcceleratorNow(
-    WmWindow* target,
-    const ui::KeyEvent& event,
-    const ui::Accelerator& accelerator) {
-  // Callers should never supply null.
-  DCHECK(target);
-  // On ChromeOS, If the accelerator is Search+<key(s)> then it must never be
-  // intercepted by apps or windows.
-  if (accelerator.IsCmdDown())
-    return true;
-
-  if (base::ContainsValue(WmShell::Get()->GetAllRootWindows(), target))
-    return true;
-
-  AcceleratorController* accelerator_controller =
-      WmShell::Get()->accelerator_controller();
-
-  // Reserved accelerators (such as Power button) always have a prority.
-  if (accelerator_controller->IsReserved(accelerator))
-    return true;
-
-  // A full screen window has a right to handle all key events including the
-  // reserved ones.
-  WmWindow* top_level = target->GetToplevelWindowForFocus();
-  if (top_level && top_level->GetWindowState()->IsFullscreen()) {
-    // On ChromeOS, fullscreen windows are either browser or apps, which
-    // send key events to a web content first, then will process keys
-    // if the web content didn't consume them.
-    return false;
-  }
-
-  // Handle preferred accelerators (such as ALT-TAB) before sending
-  // to the target.
-  if (accelerator_controller->IsPreferred(accelerator))
-    return true;
-
-  return WmShell::Get()->GetAppListTargetVisibility();
-}
-
-}  // namespace ash