Move Screen Rotation from MaximizeModeController to ScreenOrientationController

ash/content/display/screen_orientation_delegate_chromeos.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/content/display/screen_orientation_delegate_chromeos.h"
-
-#include "ash/ash_switches.h"
-#include "ash/display/display_info.h"
-#include "ash/display/display_manager.h"
-#include "ash/shell.h"
-#include "ash/wm/maximize_mode/maximize_mode_controller.h"
-#include "base/command_line.h"
-#include "content/public/browser/screen_orientation_provider.h"
-#include "content/public/browser/web_contents.h"
-#include "ui/aura/window.h"
-#include "ui/gfx/display.h"
-#include "ui/gfx/geometry/size.h"
-
-namespace {
-
-blink::WebScreenOrientationLockType GetDisplayNaturalOrientation() {
-  ash::DisplayManager* display_manager =
-      ash::Shell::GetInstance()->display_manager();
-  if (!display_manager->HasInternalDisplay())
-    return blink::WebScreenOrientationLockLandscape;
-
-  ash::DisplayInfo info =
-      display_manager->GetDisplayInfo(gfx::Display::InternalDisplayId());
-  gfx::Size size = info.size_in_pixel();
-  switch (info.rotation()) {
-    case gfx::Display::ROTATE_0:
-    case gfx::Display::ROTATE_180:
-      return size.height() >= size.width()
-                 ? blink::WebScreenOrientationLockPortrait
-                 : blink::WebScreenOrientationLockLandscape;
-    case gfx::Display::ROTATE_90:
-    case gfx::Display::ROTATE_270:
-      return size.height() < size.width()
-                 ? blink::WebScreenOrientationLockPortrait
-                 : blink::WebScreenOrientationLockLandscape;
-  }
-  NOTREACHED();
-  return blink::WebScreenOrientationLockLandscape;
-}
-
-}  // namespace
-
-namespace ash {
-
-ScreenOrientationDelegate::ScreenOrientationDelegate()
-    : locking_window_(NULL),
-      natural_orientation_(GetDisplayNaturalOrientation()) {
-  content::ScreenOrientationProvider::SetDelegate(this);
-}
-
-ScreenOrientationDelegate::~ScreenOrientationDelegate() {
-  content::ScreenOrientationProvider::SetDelegate(NULL);
-}
-
-bool ScreenOrientationDelegate::FullScreenRequired(
-    content::WebContents* web_contents) {
-  return true;
-}
-
-void ScreenOrientationDelegate::Lock(
-    content::WebContents* web_contents,
-    blink::WebScreenOrientationLockType lock_orientation) {
-  aura::Window* requesting_window = web_contents->GetNativeView();
-
-  // TODO(jonross): Make ScreenOrientationDelegate responsible for rotation
-  // lock. Have MaximizeModeController, and TrayRotationLock both use it
-  // instead.
-  MaximizeModeController* controller =
-      Shell::GetInstance()->maximize_mode_controller();
-
-  // TODO(jonross): Track one rotation lock per window. When the active window
-  // changes apply any corresponding rotation lock.
-  if (!locking_window_)
-    locking_window_ = requesting_window;
-  else if (requesting_window != locking_window_)
-    return;
-
-  switch (lock_orientation) {
-    case blink::WebScreenOrientationLockAny:
-      controller->SetRotationLocked(false);
-      locking_window_ = NULL;
-      break;
-    case blink::WebScreenOrientationLockDefault:
-      NOTREACHED();
-      break;
-    case blink::WebScreenOrientationLockPortraitPrimary:
-      LockRotationToPrimaryOrientation(blink::WebScreenOrientationLockPortrait);
-      break;
-    case blink::WebScreenOrientationLockLandscape:
-    case blink::WebScreenOrientationLockPortrait:
-      LockToRotationMatchingOrientation(lock_orientation);
-      break;
-    case blink::WebScreenOrientationLockPortraitSecondary:
-      LockRotationToSecondaryOrientation(
-          blink::WebScreenOrientationLockPortrait);
-      break;
-    case blink::WebScreenOrientationLockLandscapeSecondary:
-      LockRotationToSecondaryOrientation(
-          blink::WebScreenOrientationLockLandscape);
-      break;
-    case blink::WebScreenOrientationLockLandscapePrimary:
-      LockRotationToPrimaryOrientation(
-          blink::WebScreenOrientationLockLandscape);
-      break;
-    case blink::WebScreenOrientationLockNatural:
-      controller->LockRotation(gfx::Display::ROTATE_0);
-      break;
-    default:
-      NOTREACHED();
-      break;
-  }
-}
-
-bool ScreenOrientationDelegate::ScreenOrientationProviderSupported() {
-  return Shell::GetInstance()
-             ->maximize_mode_controller()
-             ->IsMaximizeModeWindowManagerEnabled() &&
-         CommandLine::ForCurrentProcess()->HasSwitch(
-             switches::kAshEnableTouchViewTesting);
-}
-
-void ScreenOrientationDelegate::Unlock(content::WebContents* web_contents) {
-  aura::Window* requesting_window = web_contents->GetNativeView();
-  if (requesting_window != locking_window_)
-    return;
-  locking_window_ = NULL;
-  Shell::GetInstance()->maximize_mode_controller()->SetRotationLocked(false);
-}
-
-void ScreenOrientationDelegate::LockRotationToPrimaryOrientation(
-    blink::WebScreenOrientationLockType lock_orientation) {
-  Shell::GetInstance()->maximize_mode_controller()->LockRotation(
-      natural_orientation_ == lock_orientation ? gfx::Display::ROTATE_0
-                                               : gfx::Display::ROTATE_90);
-}
-
-void ScreenOrientationDelegate::LockRotationToSecondaryOrientation(
-    blink::WebScreenOrientationLockType lock_orientation) {
-  Shell::GetInstance()->maximize_mode_controller()->LockRotation(
-      natural_orientation_ == lock_orientation ? gfx::Display::ROTATE_180
-                                               : gfx::Display::ROTATE_270);
-}
-
-void ScreenOrientationDelegate::LockToRotationMatchingOrientation(
-    blink::WebScreenOrientationLockType lock_orientation) {
-  // TODO(jonross): Update MaximizeModeController to allow rotation between
-  // two angles of an orientation (e.g. from ROTATE_0 to ROTATE_180, and from
-  // ROTATE_90 to ROTATE_270)
-  DisplayManager* display_manager = Shell::GetInstance()->display_manager();
-  if (!display_manager->HasInternalDisplay())
-    return;
-
-  gfx::Display::Rotation rotation =
-      display_manager->GetDisplayInfo(gfx::Display::InternalDisplayId())
-          .rotation();
-  MaximizeModeController* controller =
-      Shell::GetInstance()->maximize_mode_controller();
-  if (natural_orientation_ == lock_orientation) {
-    if (rotation == gfx::Display::ROTATE_0 ||
-        rotation == gfx::Display::ROTATE_180) {
-      controller->SetRotationLocked(true);
-    } else {
-      controller->LockRotation(gfx::Display::ROTATE_0);
-    }
-  } else {
-    if (rotation == gfx::Display::ROTATE_90 ||
-        rotation == gfx::Display::ROTATE_270) {
-      controller->SetRotationLocked(true);
-    } else {
-      controller->LockRotation(gfx::Display::ROTATE_90);
-    }
-  }
-}
-
-}  // namespace ash