39baf68790
Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com> Co-authored-by: Samuel Attard <samuel.r.attard@gmail.com> Co-authored-by: loc <andy@slack-corp.com> Co-authored-by: Robo <hop2deep@gmail.com> Co-authored-by: Jeremy Apthorp <nornagon@nornagon.net>
580 lines
20 KiB
C++
580 lines
20 KiB
C++
// Copyright (c) 2015 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/common/gin_converters/blink_converter.h"
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#include <algorithm>
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#include <string>
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#include <utility>
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#include <vector>
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#include "base/strings/string_util.h"
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#include "base/strings/utf_string_conversions.h"
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#include "gin/converter.h"
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#include "shell/common/gin_converters/gfx_converter.h"
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#include "shell/common/gin_converters/value_converter.h"
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#include "shell/common/gin_helper/dictionary.h"
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#include "shell/common/keyboard_util.h"
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#include "third_party/blink/public/common/context_menu_data/edit_flags.h"
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#include "third_party/blink/public/common/input/web_input_event.h"
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#include "third_party/blink/public/common/input/web_keyboard_event.h"
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#include "third_party/blink/public/common/input/web_mouse_event.h"
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#include "third_party/blink/public/common/input/web_mouse_wheel_event.h"
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#include "third_party/blink/public/web/web_device_emulation_params.h"
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#include "ui/base/clipboard/clipboard.h"
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#include "ui/events/keycodes/dom/keycode_converter.h"
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#include "ui/events/keycodes/keyboard_code_conversion.h"
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namespace {
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template <typename T>
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int VectorToBitArray(const std::vector<T>& vec) {
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int bits = 0;
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for (const T& item : vec)
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bits |= item;
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return bits;
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}
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} // namespace
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namespace gin {
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template <>
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struct Converter<base::char16> {
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static bool FromV8(v8::Isolate* isolate,
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v8::Handle<v8::Value> val,
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base::char16* out) {
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base::string16 code = base::UTF8ToUTF16(gin::V8ToString(isolate, val));
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if (code.length() != 1)
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return false;
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*out = code[0];
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return true;
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}
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};
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template <>
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struct Converter<blink::WebInputEvent::Type> {
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static bool FromV8(v8::Isolate* isolate,
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v8::Handle<v8::Value> val,
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blink::WebInputEvent::Type* out) {
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std::string type = base::ToLowerASCII(gin::V8ToString(isolate, val));
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if (type == "mousedown")
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*out = blink::WebInputEvent::kMouseDown;
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else if (type == "mouseup")
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*out = blink::WebInputEvent::kMouseUp;
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else if (type == "mousemove")
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*out = blink::WebInputEvent::kMouseMove;
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else if (type == "mouseenter")
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*out = blink::WebInputEvent::kMouseEnter;
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else if (type == "mouseleave")
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*out = blink::WebInputEvent::kMouseLeave;
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else if (type == "contextmenu")
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*out = blink::WebInputEvent::kContextMenu;
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else if (type == "mousewheel")
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*out = blink::WebInputEvent::kMouseWheel;
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else if (type == "keydown")
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*out = blink::WebInputEvent::kRawKeyDown;
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else if (type == "keyup")
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*out = blink::WebInputEvent::kKeyUp;
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else if (type == "char")
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*out = blink::WebInputEvent::kChar;
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else if (type == "touchstart")
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*out = blink::WebInputEvent::kTouchStart;
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else if (type == "touchmove")
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*out = blink::WebInputEvent::kTouchMove;
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else if (type == "touchend")
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*out = blink::WebInputEvent::kTouchEnd;
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else if (type == "touchcancel")
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*out = blink::WebInputEvent::kTouchCancel;
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return true;
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}
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};
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template <>
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struct Converter<blink::WebMouseEvent::Button> {
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static bool FromV8(v8::Isolate* isolate,
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v8::Handle<v8::Value> val,
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blink::WebMouseEvent::Button* out) {
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std::string button = base::ToLowerASCII(gin::V8ToString(isolate, val));
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if (button == "left")
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*out = blink::WebMouseEvent::Button::kLeft;
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else if (button == "middle")
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*out = blink::WebMouseEvent::Button::kMiddle;
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else if (button == "right")
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*out = blink::WebMouseEvent::Button::kRight;
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else
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return false;
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return true;
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}
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};
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template <>
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struct Converter<blink::WebInputEvent::Modifiers> {
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static bool FromV8(v8::Isolate* isolate,
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v8::Handle<v8::Value> val,
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blink::WebInputEvent::Modifiers* out) {
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std::string modifier = base::ToLowerASCII(gin::V8ToString(isolate, val));
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if (modifier == "shift")
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*out = blink::WebInputEvent::kShiftKey;
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else if (modifier == "control" || modifier == "ctrl")
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*out = blink::WebInputEvent::kControlKey;
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else if (modifier == "alt")
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*out = blink::WebInputEvent::kAltKey;
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else if (modifier == "meta" || modifier == "command" || modifier == "cmd")
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*out = blink::WebInputEvent::kMetaKey;
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else if (modifier == "iskeypad")
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*out = blink::WebInputEvent::kIsKeyPad;
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else if (modifier == "isautorepeat")
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*out = blink::WebInputEvent::kIsAutoRepeat;
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else if (modifier == "leftbuttondown")
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*out = blink::WebInputEvent::kLeftButtonDown;
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else if (modifier == "middlebuttondown")
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*out = blink::WebInputEvent::kMiddleButtonDown;
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else if (modifier == "rightbuttondown")
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*out = blink::WebInputEvent::kRightButtonDown;
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else if (modifier == "capslock")
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*out = blink::WebInputEvent::kCapsLockOn;
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else if (modifier == "numlock")
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*out = blink::WebInputEvent::kNumLockOn;
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else if (modifier == "left")
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*out = blink::WebInputEvent::kIsLeft;
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else if (modifier == "right")
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*out = blink::WebInputEvent::kIsRight;
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return true;
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}
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};
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blink::WebInputEvent::Type GetWebInputEventType(v8::Isolate* isolate,
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v8::Local<v8::Value> val) {
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blink::WebInputEvent::Type type = blink::WebInputEvent::kUndefined;
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gin_helper::Dictionary dict;
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ConvertFromV8(isolate, val, &dict) && dict.Get("type", &type);
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return type;
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}
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bool Converter<blink::WebInputEvent>::FromV8(v8::Isolate* isolate,
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v8::Local<v8::Value> val,
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blink::WebInputEvent* out) {
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gin_helper::Dictionary dict;
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if (!ConvertFromV8(isolate, val, &dict))
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return false;
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blink::WebInputEvent::Type type;
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if (!dict.Get("type", &type))
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return false;
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out->SetType(type);
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std::vector<blink::WebInputEvent::Modifiers> modifiers;
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if (dict.Get("modifiers", &modifiers))
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out->SetModifiers(VectorToBitArray(modifiers));
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out->SetTimeStamp(base::TimeTicks::Now());
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return true;
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}
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bool Converter<blink::WebKeyboardEvent>::FromV8(v8::Isolate* isolate,
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v8::Local<v8::Value> val,
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blink::WebKeyboardEvent* out) {
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gin_helper::Dictionary dict;
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if (!ConvertFromV8(isolate, val, &dict))
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return false;
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if (!ConvertFromV8(isolate, val, static_cast<blink::WebInputEvent*>(out)))
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return false;
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std::string str;
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if (!dict.Get("keyCode", &str))
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return false;
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bool shifted = false;
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ui::KeyboardCode keyCode = electron::KeyboardCodeFromStr(str, &shifted);
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out->windows_key_code = keyCode;
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if (shifted)
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out->SetModifiers(out->GetModifiers() | blink::WebInputEvent::kShiftKey);
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ui::DomCode domCode = ui::UsLayoutKeyboardCodeToDomCode(keyCode);
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out->dom_code = static_cast<int>(domCode);
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ui::DomKey domKey;
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ui::KeyboardCode dummy_code;
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int flags = electron::WebEventModifiersToEventFlags(out->GetModifiers());
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if (ui::DomCodeToUsLayoutDomKey(domCode, flags, &domKey, &dummy_code))
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out->dom_key = static_cast<int>(domKey);
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if ((out->GetType() == blink::WebInputEvent::kChar ||
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out->GetType() == blink::WebInputEvent::kRawKeyDown)) {
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// Make sure to not read beyond the buffer in case some bad code doesn't
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// NULL-terminate it (this is called from plugins).
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size_t text_length_cap = blink::WebKeyboardEvent::kTextLengthCap;
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base::string16 text16 = base::UTF8ToUTF16(str);
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memset(out->text, 0, text_length_cap);
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memset(out->unmodified_text, 0, text_length_cap);
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for (size_t i = 0; i < std::min(text_length_cap, text16.size()); ++i) {
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out->text[i] = text16[i];
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out->unmodified_text[i] = text16[i];
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}
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}
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return true;
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}
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bool Converter<blink::WebMouseEvent>::FromV8(v8::Isolate* isolate,
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v8::Local<v8::Value> val,
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blink::WebMouseEvent* out) {
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gin_helper::Dictionary dict;
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if (!ConvertFromV8(isolate, val, &dict))
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return false;
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if (!ConvertFromV8(isolate, val, static_cast<blink::WebInputEvent*>(out)))
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return false;
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float x = 0.f;
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float y = 0.f;
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if (!dict.Get("x", &x) || !dict.Get("y", &y))
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return false;
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out->SetPositionInWidget(x, y);
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if (!dict.Get("button", &out->button))
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out->button = blink::WebMouseEvent::Button::kLeft;
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float global_x = 0.f;
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float global_y = 0.f;
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dict.Get("globalX", &global_x);
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dict.Get("globalY", &global_y);
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out->SetPositionInScreen(global_x, global_y);
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dict.Get("movementX", &out->movement_x);
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dict.Get("movementY", &out->movement_y);
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dict.Get("clickCount", &out->click_count);
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return true;
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}
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bool Converter<blink::WebMouseWheelEvent>::FromV8(
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v8::Isolate* isolate,
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v8::Local<v8::Value> val,
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blink::WebMouseWheelEvent* out) {
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gin_helper::Dictionary dict;
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if (!ConvertFromV8(isolate, val, &dict))
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return false;
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if (!ConvertFromV8(isolate, val, static_cast<blink::WebMouseEvent*>(out)))
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return false;
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dict.Get("deltaX", &out->delta_x);
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dict.Get("deltaY", &out->delta_y);
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dict.Get("wheelTicksX", &out->wheel_ticks_x);
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dict.Get("wheelTicksY", &out->wheel_ticks_y);
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dict.Get("accelerationRatioX", &out->acceleration_ratio_x);
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dict.Get("accelerationRatioY", &out->acceleration_ratio_y);
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bool has_precise_scrolling_deltas = false;
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dict.Get("hasPreciseScrollingDeltas", &has_precise_scrolling_deltas);
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if (has_precise_scrolling_deltas) {
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out->delta_units = ui::ScrollGranularity::kScrollByPrecisePixel;
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} else {
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out->delta_units = ui::ScrollGranularity::kScrollByPixel;
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}
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#if defined(USE_AURA)
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// Matches the behavior of ui/events/blink/web_input_event_traits.cc:
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bool can_scroll = true;
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if (dict.Get("canScroll", &can_scroll) && !can_scroll) {
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out->delta_units = ui::ScrollGranularity::kScrollByPage;
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out->SetModifiers(out->GetModifiers() & ~blink::WebInputEvent::kControlKey);
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}
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#endif
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return true;
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}
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bool Converter<blink::WebSize>::FromV8(v8::Isolate* isolate,
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v8::Local<v8::Value> val,
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blink::WebSize* out) {
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gin_helper::Dictionary dict;
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if (!ConvertFromV8(isolate, val, &dict))
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return false;
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return dict.Get("width", &out->width) && dict.Get("height", &out->height);
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}
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bool Converter<blink::WebDeviceEmulationParams>::FromV8(
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v8::Isolate* isolate,
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v8::Local<v8::Value> val,
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blink::WebDeviceEmulationParams* out) {
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gin_helper::Dictionary dict;
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if (!ConvertFromV8(isolate, val, &dict))
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return false;
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std::string screen_position;
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if (dict.Get("screenPosition", &screen_position)) {
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screen_position = base::ToLowerASCII(screen_position);
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if (screen_position == "mobile")
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out->screen_position = blink::WebDeviceEmulationParams::kMobile;
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else if (screen_position == "desktop")
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out->screen_position = blink::WebDeviceEmulationParams::kDesktop;
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else
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return false;
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}
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dict.Get("screenSize", &out->screen_size);
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gfx::Point view_position;
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if (dict.Get("viewPosition", &view_position)) {
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out->view_position = view_position;
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}
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dict.Get("deviceScaleFactor", &out->device_scale_factor);
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dict.Get("viewSize", &out->view_size);
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dict.Get("scale", &out->scale);
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return true;
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}
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// static
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v8::Local<v8::Value> Converter<blink::ContextMenuDataMediaType>::ToV8(
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v8::Isolate* isolate,
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const blink::ContextMenuDataMediaType& in) {
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switch (in) {
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case blink::ContextMenuDataMediaType::kImage:
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return StringToV8(isolate, "image");
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case blink::ContextMenuDataMediaType::kVideo:
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return StringToV8(isolate, "video");
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case blink::ContextMenuDataMediaType::kAudio:
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return StringToV8(isolate, "audio");
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case blink::ContextMenuDataMediaType::kCanvas:
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return StringToV8(isolate, "canvas");
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case blink::ContextMenuDataMediaType::kFile:
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return StringToV8(isolate, "file");
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case blink::ContextMenuDataMediaType::kPlugin:
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return StringToV8(isolate, "plugin");
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default:
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return StringToV8(isolate, "none");
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}
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}
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// static
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v8::Local<v8::Value> Converter<blink::ContextMenuDataInputFieldType>::ToV8(
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v8::Isolate* isolate,
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const blink::ContextMenuDataInputFieldType& in) {
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switch (in) {
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case blink::ContextMenuDataInputFieldType::kPlainText:
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return StringToV8(isolate, "plainText");
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case blink::ContextMenuDataInputFieldType::kPassword:
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return StringToV8(isolate, "password");
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case blink::ContextMenuDataInputFieldType::kOther:
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return StringToV8(isolate, "other");
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default:
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return StringToV8(isolate, "none");
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}
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}
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v8::Local<v8::Value> EditFlagsToV8(v8::Isolate* isolate, int editFlags) {
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gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
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dict.Set("canUndo",
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!!(editFlags & blink::ContextMenuDataEditFlags::kCanUndo));
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dict.Set("canRedo",
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!!(editFlags & blink::ContextMenuDataEditFlags::kCanRedo));
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dict.Set("canCut", !!(editFlags & blink::ContextMenuDataEditFlags::kCanCut));
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dict.Set("canCopy",
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!!(editFlags & blink::ContextMenuDataEditFlags::kCanCopy));
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bool pasteFlag = false;
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if (editFlags & blink::ContextMenuDataEditFlags::kCanPaste) {
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std::vector<base::string16> types;
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bool ignore;
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ui::Clipboard::GetForCurrentThread()->ReadAvailableTypes(
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ui::ClipboardBuffer::kCopyPaste, &types, &ignore);
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pasteFlag = !types.empty();
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}
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dict.Set("canPaste", pasteFlag);
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dict.Set("canDelete",
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!!(editFlags & blink::ContextMenuDataEditFlags::kCanDelete));
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dict.Set("canSelectAll",
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!!(editFlags & blink::ContextMenuDataEditFlags::kCanSelectAll));
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return ConvertToV8(isolate, dict);
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}
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v8::Local<v8::Value> MediaFlagsToV8(v8::Isolate* isolate, int mediaFlags) {
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gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
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dict.Set("inError",
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!!(mediaFlags & blink::WebContextMenuData::kMediaInError));
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dict.Set("isPaused",
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!!(mediaFlags & blink::WebContextMenuData::kMediaPaused));
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dict.Set("isMuted", !!(mediaFlags & blink::WebContextMenuData::kMediaMuted));
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dict.Set("hasAudio",
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!!(mediaFlags & blink::WebContextMenuData::kMediaHasAudio));
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dict.Set("isLooping",
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(mediaFlags & blink::WebContextMenuData::kMediaLoop) != 0);
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dict.Set("isControlsVisible",
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(mediaFlags & blink::WebContextMenuData::kMediaControls) != 0);
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dict.Set("canToggleControls",
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!!(mediaFlags & blink::WebContextMenuData::kMediaCanToggleControls));
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dict.Set("canRotate",
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!!(mediaFlags & blink::WebContextMenuData::kMediaCanRotate));
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return ConvertToV8(isolate, dict);
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}
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v8::Local<v8::Value> Converter<blink::WebCacheResourceTypeStat>::ToV8(
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v8::Isolate* isolate,
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const blink::WebCacheResourceTypeStat& stat) {
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gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
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dict.Set("count", static_cast<uint32_t>(stat.count));
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dict.Set("size", static_cast<double>(stat.size));
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dict.Set("liveSize", static_cast<double>(stat.decoded_size));
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return dict.GetHandle();
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}
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v8::Local<v8::Value> Converter<blink::WebCacheResourceTypeStats>::ToV8(
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v8::Isolate* isolate,
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const blink::WebCacheResourceTypeStats& stats) {
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gin_helper::Dictionary dict = gin::Dictionary::CreateEmpty(isolate);
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dict.Set("images", stats.images);
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dict.Set("scripts", stats.scripts);
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dict.Set("cssStyleSheets", stats.css_style_sheets);
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dict.Set("xslStyleSheets", stats.xsl_style_sheets);
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dict.Set("fonts", stats.fonts);
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dict.Set("other", stats.other);
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return dict.GetHandle();
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}
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// static
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v8::Local<v8::Value> Converter<network::mojom::ReferrerPolicy>::ToV8(
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v8::Isolate* isolate,
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const network::mojom::ReferrerPolicy& in) {
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switch (in) {
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case network::mojom::ReferrerPolicy::kDefault:
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return StringToV8(isolate, "default");
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case network::mojom::ReferrerPolicy::kAlways:
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return StringToV8(isolate, "unsafe-url");
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case network::mojom::ReferrerPolicy::kNoReferrerWhenDowngrade:
|
|
return StringToV8(isolate, "no-referrer-when-downgrade");
|
|
case network::mojom::ReferrerPolicy::kNever:
|
|
return StringToV8(isolate, "no-referrer");
|
|
case network::mojom::ReferrerPolicy::kOrigin:
|
|
return StringToV8(isolate, "origin");
|
|
case network::mojom::ReferrerPolicy::
|
|
kNoReferrerWhenDowngradeOriginWhenCrossOrigin:
|
|
return StringToV8(isolate, "strict-origin-when-cross-origin");
|
|
case network::mojom::ReferrerPolicy::kSameOrigin:
|
|
return StringToV8(isolate, "same-origin");
|
|
case network::mojom::ReferrerPolicy::kStrictOrigin:
|
|
return StringToV8(isolate, "strict-origin");
|
|
default:
|
|
return StringToV8(isolate, "no-referrer");
|
|
}
|
|
}
|
|
|
|
// static
|
|
bool Converter<network::mojom::ReferrerPolicy>::FromV8(
|
|
v8::Isolate* isolate,
|
|
v8::Handle<v8::Value> val,
|
|
network::mojom::ReferrerPolicy* out) {
|
|
std::string policy = base::ToLowerASCII(gin::V8ToString(isolate, val));
|
|
if (policy == "default")
|
|
*out = network::mojom::ReferrerPolicy::kDefault;
|
|
else if (policy == "unsafe-url")
|
|
*out = network::mojom::ReferrerPolicy::kAlways;
|
|
else if (policy == "no-referrer-when-downgrade")
|
|
*out = network::mojom::ReferrerPolicy::kNoReferrerWhenDowngrade;
|
|
else if (policy == "no-referrer")
|
|
*out = network::mojom::ReferrerPolicy::kNever;
|
|
else if (policy == "origin")
|
|
*out = network::mojom::ReferrerPolicy::kOrigin;
|
|
else if (policy == "strict-origin-when-cross-origin")
|
|
*out = network::mojom::ReferrerPolicy::
|
|
kNoReferrerWhenDowngradeOriginWhenCrossOrigin;
|
|
else if (policy == "same-origin")
|
|
*out = network::mojom::ReferrerPolicy::kSameOrigin;
|
|
else if (policy == "strict-origin")
|
|
*out = network::mojom::ReferrerPolicy::kStrictOrigin;
|
|
else
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
namespace {
|
|
|
|
class V8Serializer : public v8::ValueSerializer::Delegate {
|
|
public:
|
|
explicit V8Serializer(v8::Isolate* isolate)
|
|
: isolate_(isolate), serializer_(isolate, this) {}
|
|
~V8Serializer() override = default;
|
|
|
|
bool Serialize(v8::Local<v8::Value> value, blink::CloneableMessage* out) {
|
|
serializer_.WriteHeader();
|
|
bool wrote_value;
|
|
if (!serializer_.WriteValue(isolate_->GetCurrentContext(), value)
|
|
.To(&wrote_value)) {
|
|
isolate_->ThrowException(v8::Exception::Error(
|
|
StringToV8(isolate_, "An object could not be cloned.")));
|
|
return false;
|
|
}
|
|
DCHECK(wrote_value);
|
|
|
|
std::pair<uint8_t*, size_t> buffer = serializer_.Release();
|
|
DCHECK_EQ(buffer.first, data_.data());
|
|
out->encoded_message = base::make_span(buffer.first, buffer.second);
|
|
out->owned_encoded_message = std::move(data_);
|
|
|
|
return true;
|
|
}
|
|
|
|
// v8::ValueSerializer::Delegate
|
|
void* ReallocateBufferMemory(void* old_buffer,
|
|
size_t size,
|
|
size_t* actual_size) override {
|
|
DCHECK_EQ(old_buffer, data_.data());
|
|
data_.resize(size);
|
|
*actual_size = data_.capacity();
|
|
return data_.data();
|
|
}
|
|
|
|
void FreeBufferMemory(void* buffer) override {
|
|
DCHECK_EQ(buffer, data_.data());
|
|
data_ = {};
|
|
}
|
|
|
|
void ThrowDataCloneError(v8::Local<v8::String> message) override {
|
|
isolate_->ThrowException(v8::Exception::Error(message));
|
|
}
|
|
|
|
private:
|
|
v8::Isolate* isolate_;
|
|
std::vector<uint8_t> data_;
|
|
v8::ValueSerializer serializer_;
|
|
};
|
|
|
|
class V8Deserializer : public v8::ValueDeserializer::Delegate {
|
|
public:
|
|
V8Deserializer(v8::Isolate* isolate, const blink::CloneableMessage& message)
|
|
: isolate_(isolate),
|
|
deserializer_(isolate,
|
|
message.encoded_message.data(),
|
|
message.encoded_message.size(),
|
|
this) {}
|
|
|
|
v8::Local<v8::Value> Deserialize() {
|
|
v8::EscapableHandleScope scope(isolate_);
|
|
auto context = isolate_->GetCurrentContext();
|
|
bool read_header;
|
|
if (!deserializer_.ReadHeader(context).To(&read_header))
|
|
return v8::Null(isolate_);
|
|
DCHECK(read_header);
|
|
v8::Local<v8::Value> value;
|
|
if (!deserializer_.ReadValue(context).ToLocal(&value)) {
|
|
return v8::Null(isolate_);
|
|
}
|
|
return scope.Escape(value);
|
|
}
|
|
|
|
private:
|
|
v8::Isolate* isolate_;
|
|
v8::ValueDeserializer deserializer_;
|
|
};
|
|
|
|
} // namespace
|
|
|
|
v8::Local<v8::Value> Converter<blink::CloneableMessage>::ToV8(
|
|
v8::Isolate* isolate,
|
|
const blink::CloneableMessage& in) {
|
|
return V8Deserializer(isolate, in).Deserialize();
|
|
}
|
|
|
|
bool Converter<blink::CloneableMessage>::FromV8(v8::Isolate* isolate,
|
|
v8::Handle<v8::Value> val,
|
|
blink::CloneableMessage* out) {
|
|
return V8Serializer(isolate).Serialize(val, out);
|
|
}
|
|
|
|
} // namespace gin
|