chrome/renderer/net/net_error_page_controller.cc

   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 #include "chrome/renderer/net/net_error_page_controller.h"
   6
   7 #include "base/strings/string_piece.h"
   8 #include "chrome/renderer/net/net_error_helper.h"
   9 #include "content/public/renderer/render_frame.h"
  10 #include "gin/handle.h"
  11 #include "gin/object_template_builder.h"
  12 #include "third_party/WebKit/public/web/WebFrame.h"
  13 #include "third_party/WebKit/public/web/WebKit.h"
  14
  15 gin::WrapperInfo NetErrorPageController::kWrapperInfo = {
  16     gin::kEmbedderNativeGin};
  17
  18 // static
  19 void NetErrorPageController::Install(content::RenderFrame* render_frame) {
  20   v8::Isolate* isolate = blink::mainThreadIsolate();
  21   v8::HandleScope handle_scope(isolate);
  22   v8::Handle<v8::Context> context =
  23       render_frame->GetWebFrame()->mainWorldScriptContext();
  24   if (context.IsEmpty())
  25     return;
  26
  27   v8::Context::Scope context_scope(context);
  28
  29   gin::Handle<NetErrorPageController> controller = gin::CreateHandle(
  30       isolate, new NetErrorPageController(render_frame));
  31   if (controller.IsEmpty())
  32     return;
  33
  34   v8::Handle<v8::Object> global = context->Global();
  35   global->Set(gin::StringToV8(isolate, "errorPageController"),
  36               controller.ToV8());
  37 }
  38
  39 bool NetErrorPageController::LoadStaleButtonClick() {
  40   if (!render_frame())
  41     return false;
  42
  43   NetErrorHelper* net_error_helper =
  44       content::RenderFrameObserverTracker<NetErrorHelper>::Get(render_frame());
  45   DCHECK(net_error_helper);
  46   net_error_helper->LoadStaleButtonPressed();
  47
  48   return true;
  49 }
  50
  51 bool NetErrorPageController::ReloadButtonClick() {
  52   if (!render_frame())
  53     return false;
  54
  55   NetErrorHelper* net_error_helper =
  56       content::RenderFrameObserverTracker<NetErrorHelper>::Get(render_frame());
  57   DCHECK(net_error_helper);
  58   net_error_helper->ReloadButtonPressed();
  59
  60   return true;
  61 }
  62
  63 bool NetErrorPageController::MoreButtonClick() {
  64   if (!render_frame())
  65     return false;
  66
  67   NetErrorHelper* net_error_helper =
  68       content::RenderFrameObserverTracker<NetErrorHelper>::Get(render_frame());
  69   DCHECK(net_error_helper);
  70   net_error_helper->MoreButtonPressed();
  71
  72   return true;
  73 }
  74
  75 bool NetErrorPageController::TrackClick(const gin::Arguments& args) {
  76   if (!render_frame())
  77     return false;
  78
  79   if (!args.PeekNext()->IsInt32())
  80     return false;
  81
  82   NetErrorHelper* net_error_helper =
  83       content::RenderFrameObserverTracker<NetErrorHelper>::Get(render_frame());
  84   DCHECK(net_error_helper);
  85   net_error_helper->TrackClick(args.PeekNext()->Int32Value());
  86   return true;
  87 }
  88
  89 NetErrorPageController::NetErrorPageController(
  90     content::RenderFrame* render_frame) : RenderFrameObserver(render_frame) {}
  91
  92 NetErrorPageController::~NetErrorPageController() {}
  93
  94 gin::ObjectTemplateBuilder NetErrorPageController::GetObjectTemplateBuilder(
  95     v8::Isolate* isolate) {
  96   return gin::Wrappable<NetErrorPageController>::GetObjectTemplateBuilder(
  97              isolate)
  98       .SetMethod("loadStaleButtonClick",
  99                  &NetErrorPageController::LoadStaleButtonClick)
 100       .SetMethod("reloadButtonClick",
 101                  &NetErrorPageController::ReloadButtonClick)
 102       .SetMethod("moreButtonClick", &NetErrorPageController::MoreButtonClick)
 103       .SetMethod("trackClick",
 104                  &NetErrorPageController::TrackClick);
 105 }
 106
 107 void NetErrorPageController::OnDestruct() {}