Move view_manager service implementation to //services

mojo/services/view_manager/server_view.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 "mojo/services/view_manager/server_view.h"
-
-#include "base/strings/stringprintf.h"
-#include "mojo/services/view_manager/server_view_delegate.h"
-
-namespace mojo {
-namespace service {
-
-ServerView::ServerView(ServerViewDelegate* delegate, const ViewId& id)
-    : delegate_(delegate),
-      id_(id),
-      parent_(nullptr),
-      visible_(false),
-      opacity_(1) {
-  DCHECK(delegate);  // Must provide a delegate.
-}
-
-ServerView::~ServerView() {
-  delegate_->OnWillDestroyView(this);
-
-  while (!children_.empty())
-    children_.front()->parent()->Remove(children_.front());
-
-  if (parent_)
-    parent_->Remove(this);
-
-  delegate_->OnViewDestroyed(this);
-}
-
-void ServerView::Add(ServerView* child) {
-  // We assume validation checks happened already.
-  DCHECK(child);
-  DCHECK(child != this);
-  DCHECK(!child->Contains(this));
-  if (child->parent() == this) {
-    if (children_.size() == 1)
-      return;  // Already in the right position.
-    Reorder(child, children_.back(), ORDER_DIRECTION_ABOVE);
-    return;
-  }
-
-  ServerView* old_parent = child->parent();
-  child->delegate_->OnWillChangeViewHierarchy(child, this, old_parent);
-  if (child->parent())
-    child->parent()->RemoveImpl(child);
-
-  child->parent_ = this;
-  children_.push_back(child);
-  child->delegate_->OnViewHierarchyChanged(child, this, old_parent);
-}
-
-void ServerView::Remove(ServerView* child) {
-  // We assume validation checks happened else where.
-  DCHECK(child);
-  DCHECK(child != this);
-  DCHECK(child->parent() == this);
-
-  child->delegate_->OnWillChangeViewHierarchy(child, NULL, this);
-  RemoveImpl(child);
-  child->delegate_->OnViewHierarchyChanged(child, NULL, this);
-}
-
-void ServerView::Reorder(ServerView* child,
-                         ServerView* relative,
-                         OrderDirection direction) {
-  // We assume validation checks happened else where.
-  DCHECK(child);
-  DCHECK(child->parent() == this);
-  DCHECK_GT(children_.size(), 1u);
-  children_.erase(std::find(children_.begin(), children_.end(), child));
-  Views::iterator i = std::find(children_.begin(), children_.end(), relative);
-  if (direction == ORDER_DIRECTION_ABOVE) {
-    DCHECK(i != children_.end());
-    children_.insert(++i, child);
-  } else if (direction == ORDER_DIRECTION_BELOW) {
-    DCHECK(i != children_.end());
-    children_.insert(i, child);
-  }
-  delegate_->OnViewReordered(this, relative, direction);
-}
-
-void ServerView::SetBounds(const gfx::Rect& bounds) {
-  if (bounds_ == bounds)
-    return;
-
-  const gfx::Rect old_bounds = bounds_;
-  bounds_ = bounds;
-  delegate_->OnViewBoundsChanged(this, old_bounds, bounds);
-}
-
-const ServerView* ServerView::GetRoot() const {
-  const ServerView* view = this;
-  while (view && view->parent())
-    view = view->parent();
-  return view;
-}
-
-std::vector<const ServerView*> ServerView::GetChildren() const {
-  std::vector<const ServerView*> children;
-  children.reserve(children_.size());
-  for (size_t i = 0; i < children_.size(); ++i)
-    children.push_back(children_[i]);
-  return children;
-}
-
-std::vector<ServerView*> ServerView::GetChildren() {
-  // TODO(sky): rename to children() and fix return type.
-  return children_;
-}
-
-bool ServerView::Contains(const ServerView* view) const {
-  for (const ServerView* parent = view; parent; parent = parent->parent_) {
-    if (parent == this)
-      return true;
-  }
-  return false;
-}
-
-void ServerView::SetVisible(bool value) {
-  if (visible_ == value)
-    return;
-
-  delegate_->OnWillChangeViewVisibility(this);
-  visible_ = value;
-}
-
-void ServerView::SetOpacity(float value) {
-  if (value == opacity_)
-    return;
-  opacity_ = value;
-  delegate_->OnScheduleViewPaint(this);
-}
-
-void ServerView::SetProperty(const std::string& name,
-                             const std::vector<uint8_t>* value) {
-  auto it = properties_.find(name);
-  if (it != properties_.end()) {
-    if (value && it->second == *value)
-      return;
-  } else if (!value) {
-    // This property isn't set in |properties_| and |value| is NULL, so there's
-    // no change.
-    return;
-  }
-
-  if (value) {
-    properties_[name] = *value;
-  } else if (it != properties_.end()) {
-    properties_.erase(it);
-  }
-
-  delegate_->OnViewSharedPropertyChanged(this, name, value);
-}
-
-bool ServerView::IsDrawn(const ServerView* root) const {
-  if (!root->visible_)
-    return false;
-  const ServerView* view = this;
-  while (view && view != root && view->visible_)
-    view = view->parent_;
-  return view == root;
-}
-
-void ServerView::SetSurfaceId(cc::SurfaceId surface_id) {
-  surface_id_ = surface_id;
-  delegate_->OnViewSurfaceIdChanged(this);
-}
-
-#if !defined(NDEBUG)
-std::string ServerView::GetDebugWindowHierarchy() const {
-  std::string result;
-  BuildDebugInfo(std::string(), &result);
-  return result;
-}
-
-void ServerView::BuildDebugInfo(const std::string& depth,
-                                std::string* result) const {
-  *result += base::StringPrintf(
-      "%sid=%d,%d visible=%s bounds=%d,%d %dx%d surface_id=%ld\n",
-      depth.c_str(), static_cast<int>(id_.connection_id),
-      static_cast<int>(id_.view_id), visible_ ? "true" : "false", bounds_.x(),
-      bounds_.y(), bounds_.width(), bounds_.height(), surface_id_.id);
-  for (const ServerView* child : children_)
-    child->BuildDebugInfo(depth + "  ", result);
-}
-#endif
-
-void ServerView::RemoveImpl(ServerView* view) {
-  view->parent_ = NULL;
-  children_.erase(std::find(children_.begin(), children_.end(), view));
-}
-
-}  // namespace service
-}  // namespace mojo