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

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