src/third_party/WebKit/Source/bindings/v8/custom/V8HistoryCustom.cpp

   1 /*
   2  * Copyright (C) 2009 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "config.h"
  32 #include "V8History.h"
  33
  34 #include "V8Window.h"
  35 #include "bindings/v8/ExceptionState.h"
  36 #include "bindings/v8/SerializedScriptValue.h"
  37 #include "bindings/v8/V8Binding.h"
  38 #include "core/dom/ExceptionCode.h"
  39 #include "core/frame/History.h"
  40
  41 namespace WebCore {
  42
  43 void V8History::stateAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
  44 {
  45     History* history = V8History::toNative(info.Holder());
  46
  47     v8::Handle<v8::Value> value = getHiddenValue(info.GetIsolate(), info.Holder(), "state");
  48
  49     if (!value.IsEmpty() && !history->stateChanged()) {
  50         v8SetReturnValue(info, value);
  51         return;
  52     }
  53
  54     RefPtr<SerializedScriptValue> serialized = history->state();
  55     value = serialized ? serialized->deserialize(info.GetIsolate()) : v8::Handle<v8::Value>(v8::Null(info.GetIsolate()));
  56     setHiddenValue(info.GetIsolate(), info.Holder(), "state", value);
  57
  58     v8SetReturnValue(info, value);
  59 }
  60
  61 void V8History::pushStateMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
  62 {
  63     ExceptionState exceptionState(ExceptionState::ExecutionContext, "pushState", "History", info.Holder(), info.GetIsolate());
  64     RefPtr<SerializedScriptValue> historyState = SerializedScriptValue::create(info[0], 0, 0, exceptionState, info.GetIsolate());
  65     if (exceptionState.throwIfNeeded())
  66         return;
  67
  68     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithUndefinedOrNullCheck>, title, info[1]);
  69     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithUndefinedOrNullCheck>, url, argumentOrNull(info, 2));
  70
  71     History* history = V8History::toNative(info.Holder());
  72     history->stateObjectAdded(historyState.release(), title, url, UpdateBackForwardList, exceptionState);
  73     deleteHiddenValue(info.GetIsolate(), info.Holder(), "state");
  74     exceptionState.throwIfNeeded();
  75 }
  76
  77 void V8History::replaceStateMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
  78 {
  79     ExceptionState exceptionState(ExceptionState::ExecutionContext, "replaceState", "History", info.Holder(), info.GetIsolate());
  80     RefPtr<SerializedScriptValue> historyState = SerializedScriptValue::create(info[0], 0, 0, exceptionState, info.GetIsolate());
  81     if (exceptionState.throwIfNeeded())
  82         return;
  83
  84     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithUndefinedOrNullCheck>, title, info[1]);
  85     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithUndefinedOrNullCheck>, url, argumentOrNull(info, 2));
  86
  87     History* history = V8History::toNative(info.Holder());
  88     history->stateObjectAdded(historyState.release(), title, url, DoNotUpdateBackForwardList, exceptionState);
  89     deleteHiddenValue(info.GetIsolate(), info.Holder(), "state");
  90     exceptionState.throwIfNeeded();
  91 }
  92
  93 } // namespace WebCore