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      1 // Copyright (c) 2012 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 #include "content/renderer/external_popup_menu.h"
      6 
      7 #include "content/common/frame_messages.h"
      8 #include "content/renderer/menu_item_builder.h"
      9 #include "content/renderer/render_frame_impl.h"
     10 #include "third_party/WebKit/public/platform/WebRect.h"
     11 #include "third_party/WebKit/public/web/WebExternalPopupMenuClient.h"
     12 
     13 namespace content {
     14 
     15 ExternalPopupMenu::ExternalPopupMenu(
     16     RenderFrameImpl* render_frame,
     17     const blink::WebPopupMenuInfo& popup_menu_info,
     18     blink::WebExternalPopupMenuClient* popup_menu_client)
     19     : render_frame_(render_frame),
     20       popup_menu_info_(popup_menu_info),
     21       popup_menu_client_(popup_menu_client),
     22       origin_scale_for_emulation_(0) {
     23 }
     24 
     25 void ExternalPopupMenu::SetOriginScaleAndOffsetForEmulation(
     26     float scale, const gfx::Point& offset) {
     27   origin_scale_for_emulation_ = scale;
     28   origin_offset_for_emulation_ = offset;
     29 }
     30 
     31 void ExternalPopupMenu::show(const blink::WebRect& bounds) {
     32   blink::WebRect rect = bounds;
     33   if (origin_scale_for_emulation_) {
     34     rect.x *= origin_scale_for_emulation_;
     35     rect.y *= origin_scale_for_emulation_;
     36   }
     37   rect.x += origin_offset_for_emulation_.x();
     38   rect.y += origin_offset_for_emulation_.y();
     39 
     40   FrameHostMsg_ShowPopup_Params popup_params;
     41   popup_params.bounds = rect;
     42   popup_params.item_height = popup_menu_info_.itemHeight;
     43   popup_params.item_font_size = popup_menu_info_.itemFontSize;
     44   popup_params.selected_item = popup_menu_info_.selectedIndex;
     45   for (size_t i = 0; i < popup_menu_info_.items.size(); ++i) {
     46     popup_params.popup_items.push_back(
     47         MenuItemBuilder::Build(popup_menu_info_.items[i]));
     48   }
     49   popup_params.right_aligned = popup_menu_info_.rightAligned;
     50   popup_params.allow_multiple_selection =
     51       popup_menu_info_.allowMultipleSelection;
     52   render_frame_->Send(
     53       new FrameHostMsg_ShowPopup(render_frame_->GetRoutingID(), popup_params));
     54 }
     55 
     56 void ExternalPopupMenu::close()  {
     57   render_frame_->Send(
     58       new FrameHostMsg_HidePopup(render_frame_->GetRoutingID()));
     59   render_frame_->DidHideExternalPopupMenu();
     60   // |this| was deleted.
     61 }
     62 
     63 #if defined(OS_MACOSX)
     64 void ExternalPopupMenu::DidSelectItem(int index) {
     65   if (!popup_menu_client_)
     66     return;
     67   if (index == -1)
     68     popup_menu_client_->didCancel();
     69   else
     70     popup_menu_client_->didAcceptIndex(index);
     71 }
     72 #endif
     73 
     74 #if defined(OS_ANDROID)
     75 void ExternalPopupMenu::DidSelectItems(bool canceled,
     76                                        const std::vector<int>& indices) {
     77   if (!popup_menu_client_)
     78     return;
     79   if (canceled)
     80     popup_menu_client_->didCancel();
     81   else
     82     popup_menu_client_->didAcceptIndices(indices);
     83 }
     84 #endif
     85 
     86 }  // namespace content
     87