src/third_party/WebKit/Source/bindings/core/v8/custom/V8InspectorFrontendHostCustom.cpp

   1 /*
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  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
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  30
  31 #include "config.h"
  32 #include "bindings/core/v8/V8InspectorFrontendHost.h"
  33
  34 #include "bindings/core/v8/V8Binding.h"
  35 #include "bindings/core/v8/V8HTMLDocument.h"
  36 #include "bindings/core/v8/V8MouseEvent.h"
  37 #include "bindings/core/v8/V8Window.h"
  38 #include "core/dom/Document.h"
  39 #include "core/frame/LocalDOMWindow.h"
  40 #include "core/inspector/InspectorController.h"
  41 #include "core/inspector/InspectorFrontendClient.h"
  42 #include "core/inspector/InspectorFrontendHost.h"
  43 #include "platform/ContextMenu.h"
  44 #include "public/platform/Platform.h"
  45 #include "wtf/text/WTFString.h"
  46
  47 namespace blink {
  48
  49 void V8InspectorFrontendHost::platformMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
  50 {
  51 #if OS(MACOSX)
  52     v8SetReturnValue(info, v8AtomicString(info.GetIsolate(), "mac"));
  53 #elif OS(WIN)
  54     v8SetReturnValue(info, v8AtomicString(info.GetIsolate(), "windows"));
  55 #else // Unix-like systems
  56     v8SetReturnValue(info, v8AtomicString(info.GetIsolate(), "linux"));
  57 #endif
  58 }
  59
  60 void V8InspectorFrontendHost::portMethodCustom(const v8::FunctionCallbackInfo<v8::Value>&)
  61 {
  62 }
  63
  64 static bool populateContextMenuItems(const v8::Local<v8::Array>& itemArray, ContextMenu& menu, v8::Isolate* isolate)
  65 {
  66     for (size_t i = 0; i < itemArray->Length(); ++i) {
  67         v8::Local<v8::Object> item = v8::Local<v8::Object>::Cast(itemArray->Get(i));
  68         v8::Local<v8::Value> type = item->Get(v8AtomicString(isolate, "type"));
  69         v8::Local<v8::Value> id = item->Get(v8AtomicString(isolate, "id"));
  70         v8::Local<v8::Value> label = item->Get(v8AtomicString(isolate, "label"));
  71         v8::Local<v8::Value> enabled = item->Get(v8AtomicString(isolate, "enabled"));
  72         v8::Local<v8::Value> checked = item->Get(v8AtomicString(isolate, "checked"));
  73         v8::Local<v8::Value> subItems = item->Get(v8AtomicString(isolate, "subItems"));
  74         if (!type->IsString())
  75             continue;
  76         String typeString = toCoreStringWithNullCheck(type.As<v8::String>());
  77         if (typeString == "separator") {
  78             ContextMenuItem item(ContextMenuItem(SeparatorType,
  79                 ContextMenuItemCustomTagNoAction,
  80                 String()));
  81             menu.appendItem(item);
  82         } else if (typeString == "subMenu" && subItems->IsArray()) {
  83             ContextMenu subMenu;
  84             v8::Local<v8::Array> subItemsArray = v8::Local<v8::Array>::Cast(subItems);
  85             if (!populateContextMenuItems(subItemsArray, subMenu, isolate))
  86                 return false;
  87             TOSTRING_DEFAULT(V8StringResource<TreatNullAsNullString>, labelString, label, false);
  88             ContextMenuItem item(SubmenuType,
  89                 ContextMenuItemCustomTagNoAction,
  90                 labelString,
  91                 &subMenu);
  92             menu.appendItem(item);
  93         } else {
  94             ContextMenuAction typedId = static_cast<ContextMenuAction>(ContextMenuItemBaseCustomTag + id->ToInt32()->Value());
  95             TOSTRING_DEFAULT(V8StringResource<TreatNullAsNullString>, labelString, label, false);
  96             ContextMenuItem menuItem((typeString == "checkbox" ? CheckableActionType : ActionType), typedId, labelString);
  97             if (checked->IsBoolean())
  98                 menuItem.setChecked(checked->ToBoolean()->Value());
  99             if (enabled->IsBoolean())
 100                 menuItem.setEnabled(enabled->ToBoolean()->Value());
 101             menu.appendItem(menuItem);
 102         }
 103     }
 104     return true;
 105 }
 106
 107 void V8InspectorFrontendHost::showContextMenuMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 108 {
 109     if (info.Length() < 2)
 110         return;
 111
 112     v8::Local<v8::Object> eventWrapper = v8::Local<v8::Object>::Cast(info[0]);
 113     if (!V8MouseEvent::wrapperTypeInfo.equals(toWrapperTypeInfo(eventWrapper)))
 114         return;
 115
 116     Event* event = V8Event::toImpl(eventWrapper);
 117     if (!info[1]->IsArray())
 118         return;
 119
 120     v8::Local<v8::Array> array = v8::Local<v8::Array>::Cast(info[1]);
 121     ContextMenu menu;
 122     if (!populateContextMenuItems(array, menu, info.GetIsolate()))
 123         return;
 124
 125     InspectorFrontendHost* frontendHost = V8InspectorFrontendHost::toImpl(info.Holder());
 126     Vector<ContextMenuItem> items = menu.items();
 127     frontendHost->showContextMenu(event, items);
 128 }
 129
 130 void V8InspectorFrontendHost::showContextMenuAtPointMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 131 {
 132     if (info.Length() < 3)
 133         return;
 134
 135     v8::Local<v8::Value> x = v8::Local<v8::Value>::Cast(info[0]);
 136     if (!x->IsNumber())
 137         return;
 138
 139     v8::Local<v8::Value> y = v8::Local<v8::Value>::Cast(info[1]);
 140     if (!y->IsNumber())
 141         return;
 142
 143     v8::Local<v8::Value> array = v8::Local<v8::Value>::Cast(info[2]);
 144     if (!array->IsArray())
 145         return;
 146     ContextMenu menu;
 147     if (!populateContextMenuItems(v8::Local<v8::Array>::Cast(array), menu, info.GetIsolate()))
 148         return;
 149
 150     Document* document = nullptr;
 151     if (info.Length() >= 4) {
 152         v8::Local<v8::Object> documentWrapper = v8::Local<v8::Object>::Cast(info[3]);
 153         if (!V8HTMLDocument::wrapperTypeInfo.equals(toWrapperTypeInfo(documentWrapper)))
 154             return;
 155         document = V8HTMLDocument::toImpl(documentWrapper);
 156     } else {
 157         v8::Isolate* isolate = info.GetIsolate();
 158         v8::Handle<v8::Object> windowWrapper = V8Window::findInstanceInPrototypeChain(isolate->GetEnteredContext()->Global(), isolate);
 159         if (windowWrapper.IsEmpty())
 160             return;
 161         LocalDOMWindow* window = V8Window::toImpl(windowWrapper);
 162         document = window ? window->document() : nullptr;
 163     }
 164     if (!document || !document->page())
 165         return;
 166
 167     InspectorFrontendHost* frontendHost = V8InspectorFrontendHost::toImpl(info.Holder());
 168     Vector<ContextMenuItem> items = menu.items();
 169     frontendHost->showContextMenu(document->page(), static_cast<float>(x->NumberValue()), static_cast<float>(y->NumberValue()), items);
 170 }
 171
 172 static void histogramEnumeration(const char* name, const v8::FunctionCallbackInfo<v8::Value>& info, int boundaryValue)
 173 {
 174     if (info.Length() < 1 || !info[0]->IsInt32())
 175         return;
 176
 177     int sample = info[0]->ToInt32()->Value();
 178     if (sample < boundaryValue)
 179         blink::Platform::current()->histogramEnumeration(name, sample, boundaryValue);
 180 }
 181
 182 void V8InspectorFrontendHost::recordActionTakenMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 183 {
 184     histogramEnumeration("DevTools.ActionTaken", info, 100);
 185 }
 186
 187 void V8InspectorFrontendHost::recordPanelShownMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 188 {
 189     histogramEnumeration("DevTools.PanelShown", info, 20);
 190 }
 191
 192 } // namespace blink
 193