components/view_manager/public/cpp/lib/view_private.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_LIB_VIEW_PRIVATE_H_
   6 #define COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_LIB_VIEW_PRIVATE_H_
   7
   8 #include "components/view_manager/public/cpp/view.h"
   9
  10 namespace mojo {
  11
  12 // This class is a friend of a View and contains functions to mutate internal
  13 // state of View.
  14 class ViewPrivate {
  15  public:
  16   explicit ViewPrivate(View* view);
  17   ~ViewPrivate();
  18
  19   // Creates and returns a new View. Caller owns the return value.
  20   static View* LocalCreate();
  21
  22   base::ObserverList<ViewObserver>* observers() { return &view_->observers_; }
  23
  24   void ClearParent() { view_->parent_ = NULL; }
  25
  26   void set_visible(bool visible) { view_->visible_ = visible; }
  27
  28   void set_drawn(bool drawn) { view_->drawn_ = drawn; }
  29
  30   void set_id(Id id) { view_->id_ = id; }
  31
  32   void set_connection(ViewTreeConnection* connection) {
  33     view_->connection_ = connection;
  34   }
  35
  36   void set_properties(const std::map<std::string, std::vector<uint8_t>>& data) {
  37     view_->properties_ = data;
  38   }
  39
  40   void LocalSetViewportMetrics(const ViewportMetrics& old_metrics,
  41                                const ViewportMetrics& new_metrics) {
  42     view_->LocalSetViewportMetrics(new_metrics, new_metrics);
  43   }
  44
  45   void LocalDestroy() {
  46     view_->LocalDestroy();
  47   }
  48   void LocalAddChild(View* child) {
  49     view_->LocalAddChild(child);
  50   }
  51   void LocalRemoveChild(View* child) {
  52     view_->LocalRemoveChild(child);
  53   }
  54   void LocalReorder(View* relative, OrderDirection direction) {
  55     view_->LocalReorder(relative, direction);
  56   }
  57   void LocalSetBounds(const Rect& old_bounds,
  58                       const Rect& new_bounds) {
  59     view_->LocalSetBounds(old_bounds, new_bounds);
  60   }
  61   void LocalSetDrawn(bool drawn) { view_->LocalSetDrawn(drawn); }
  62   void LocalSetVisible(bool visible) { view_->LocalSetVisible(visible); }
  63
  64  private:
  65   View* view_;
  66
  67   MOJO_DISALLOW_COPY_AND_ASSIGN(ViewPrivate);
  68 };
  69
  70 }  // namespace mojo
  71
  72 #endif  // COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_LIB_VIEW_PRIVATE_H_