233 lines
7.5 KiB
C++
233 lines
7.5 KiB
C++
// Copyright 2020 The Chromium Embedded Framework Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "libcef/browser/native/browser_platform_delegate_native_aura.h"
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#include "content/browser/renderer_host/render_widget_host_view_aura.h"
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#include "content/public/browser/render_view_host.h"
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#include "content/public/browser/render_widget_host.h"
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#include "ui/events/blink/blink_event_util.h"
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#include "ui/events/blink/web_input_event.h"
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#include "ui/gfx/geometry/vector2d.h"
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CefBrowserPlatformDelegateNativeAura::CefBrowserPlatformDelegateNativeAura(
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const CefWindowInfo& window_info,
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SkColor background_color)
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: CefBrowserPlatformDelegateNative(window_info, background_color) {}
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void CefBrowserPlatformDelegateNativeAura::SendKeyEvent(
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const CefKeyEvent& event) {
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auto view = GetHostView();
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if (!view)
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return;
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ui::KeyEvent ui_event = TranslateUiKeyEvent(event);
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view->OnKeyEvent(&ui_event);
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}
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void CefBrowserPlatformDelegateNativeAura::SendMouseClickEvent(
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const CefMouseEvent& event,
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CefBrowserHost::MouseButtonType type,
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bool mouseUp,
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int clickCount) {
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auto view = GetHostView();
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if (!view)
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return;
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ui::MouseEvent ui_event =
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TranslateUiClickEvent(event, type, mouseUp, clickCount);
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view->OnMouseEvent(&ui_event);
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}
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void CefBrowserPlatformDelegateNativeAura::SendMouseMoveEvent(
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const CefMouseEvent& event,
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bool mouseLeave) {
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auto view = GetHostView();
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if (!view)
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return;
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ui::MouseEvent ui_event = TranslateUiMoveEvent(event, mouseLeave);
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view->OnMouseEvent(&ui_event);
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}
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void CefBrowserPlatformDelegateNativeAura::SendMouseWheelEvent(
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const CefMouseEvent& event,
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int deltaX,
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int deltaY) {
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auto view = GetHostView();
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if (!view)
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return;
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ui::MouseWheelEvent ui_event = TranslateUiWheelEvent(event, deltaX, deltaY);
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view->OnMouseEvent(&ui_event);
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}
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void CefBrowserPlatformDelegateNativeAura::SendTouchEvent(
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const CefTouchEvent& event) {
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NOTIMPLEMENTED();
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}
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content::NativeWebKeyboardEvent
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CefBrowserPlatformDelegateNativeAura::TranslateWebKeyEvent(
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const CefKeyEvent& key_event) const {
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return content::NativeWebKeyboardEvent(TranslateUiKeyEvent(key_event));
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}
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blink::WebMouseEvent
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CefBrowserPlatformDelegateNativeAura::TranslateWebClickEvent(
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const CefMouseEvent& mouse_event,
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CefBrowserHost::MouseButtonType type,
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bool mouseUp,
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int clickCount) const {
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return ui::MakeWebMouseEvent(
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TranslateUiClickEvent(mouse_event, type, mouseUp, clickCount));
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}
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blink::WebMouseEvent
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CefBrowserPlatformDelegateNativeAura::TranslateWebMoveEvent(
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const CefMouseEvent& mouse_event,
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bool mouseLeave) const {
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return ui::MakeWebMouseEvent(TranslateUiMoveEvent(mouse_event, mouseLeave));
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}
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blink::WebMouseWheelEvent
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CefBrowserPlatformDelegateNativeAura::TranslateWebWheelEvent(
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const CefMouseEvent& mouse_event,
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int deltaX,
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int deltaY) const {
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return ui::MakeWebMouseWheelEvent(
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TranslateUiWheelEvent(mouse_event, deltaX, deltaY));
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}
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ui::MouseEvent CefBrowserPlatformDelegateNativeAura::TranslateUiClickEvent(
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const CefMouseEvent& mouse_event,
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CefBrowserHost::MouseButtonType type,
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bool mouseUp,
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int clickCount) const {
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DCHECK_GE(clickCount, 1);
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ui::EventType event_type =
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mouseUp ? ui::ET_MOUSE_RELEASED : ui::ET_MOUSE_PRESSED;
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gfx::PointF location(mouse_event.x, mouse_event.y);
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gfx::PointF root_location(
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GetScreenPoint(gfx::Point(mouse_event.x, mouse_event.y)));
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base::TimeTicks time_stamp = GetEventTimeStamp();
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int flags = TranslateUiEventModifiers(mouse_event.modifiers);
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int changed_button_flags = 0;
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switch (type) {
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case MBT_LEFT:
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changed_button_flags |= ui::EF_LEFT_MOUSE_BUTTON;
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break;
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case MBT_MIDDLE:
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changed_button_flags |= ui::EF_MIDDLE_MOUSE_BUTTON;
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break;
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case MBT_RIGHT:
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changed_button_flags |= ui::EF_RIGHT_MOUSE_BUTTON;
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break;
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default:
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NOTREACHED();
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}
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ui::MouseEvent result(event_type, location, root_location, time_stamp, flags,
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changed_button_flags);
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result.SetClickCount(clickCount);
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return result;
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}
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ui::MouseEvent CefBrowserPlatformDelegateNativeAura::TranslateUiMoveEvent(
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const CefMouseEvent& mouse_event,
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bool mouseLeave) const {
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ui::EventType event_type =
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mouseLeave ? ui::ET_MOUSE_EXITED : ui::ET_MOUSE_MOVED;
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gfx::PointF location(mouse_event.x, mouse_event.y);
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gfx::PointF root_location(
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GetScreenPoint(gfx::Point(mouse_event.x, mouse_event.y)));
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base::TimeTicks time_stamp = GetEventTimeStamp();
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int flags = TranslateUiEventModifiers(mouse_event.modifiers);
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int changed_button_flags = 0;
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if (!mouseLeave) {
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changed_button_flags = TranslateUiChangedButtonFlags(mouse_event.modifiers);
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}
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return ui::MouseEvent(event_type, location, root_location, time_stamp, flags,
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changed_button_flags);
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}
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ui::MouseWheelEvent CefBrowserPlatformDelegateNativeAura::TranslateUiWheelEvent(
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const CefMouseEvent& mouse_event,
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int deltaX,
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int deltaY) const {
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gfx::Vector2d offset(GetUiWheelEventOffset(deltaX, deltaY));
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DCHECK(!offset.IsZero());
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gfx::PointF location(mouse_event.x, mouse_event.y);
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gfx::PointF root_location(
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GetScreenPoint(gfx::Point(mouse_event.x, mouse_event.y)));
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base::TimeTicks time_stamp = GetEventTimeStamp();
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int flags = TranslateUiEventModifiers(mouse_event.modifiers);
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int changed_button_flags =
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TranslateUiChangedButtonFlags(mouse_event.modifiers);
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return ui::MouseWheelEvent(offset, location, root_location, time_stamp,
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(ui::EF_PRECISION_SCROLLING_DELTA | flags),
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changed_button_flags);
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}
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gfx::Vector2d CefBrowserPlatformDelegateNativeAura::GetUiWheelEventOffset(
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int deltaX,
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int deltaY) const {
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return gfx::Vector2d(deltaX, deltaY);
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}
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// static
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int CefBrowserPlatformDelegateNativeAura::TranslateUiEventModifiers(
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uint32 cef_modifiers) {
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int result = 0;
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// Set modifiers based on key state.
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if (cef_modifiers & EVENTFLAG_SHIFT_DOWN)
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result |= ui::EF_SHIFT_DOWN;
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if (cef_modifiers & EVENTFLAG_CONTROL_DOWN)
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result |= ui::EF_CONTROL_DOWN;
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if (cef_modifiers & EVENTFLAG_ALT_DOWN)
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result |= ui::EF_ALT_DOWN;
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if (cef_modifiers & EVENTFLAG_COMMAND_DOWN)
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result |= ui::EF_COMMAND_DOWN;
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if (cef_modifiers & EVENTFLAG_LEFT_MOUSE_BUTTON)
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result |= ui::EF_LEFT_MOUSE_BUTTON;
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if (cef_modifiers & EVENTFLAG_MIDDLE_MOUSE_BUTTON)
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result |= ui::EF_MIDDLE_MOUSE_BUTTON;
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if (cef_modifiers & EVENTFLAG_RIGHT_MOUSE_BUTTON)
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result |= ui::EF_RIGHT_MOUSE_BUTTON;
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if (cef_modifiers & EVENTFLAG_CAPS_LOCK_ON)
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result |= ui::EF_CAPS_LOCK_ON;
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if (cef_modifiers & EVENTFLAG_NUM_LOCK_ON)
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result |= ui::EF_NUM_LOCK_ON;
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if (cef_modifiers & EVENTFLAG_ALTGR_DOWN)
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result |= ui::EF_ALTGR_DOWN;
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return result;
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}
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// static
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int CefBrowserPlatformDelegateNativeAura::TranslateUiChangedButtonFlags(
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uint32 cef_modifiers) {
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int result = 0;
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if (cef_modifiers & EVENTFLAG_LEFT_MOUSE_BUTTON)
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result |= ui::EF_LEFT_MOUSE_BUTTON;
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else if (cef_modifiers & EVENTFLAG_MIDDLE_MOUSE_BUTTON)
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result |= ui::EF_MIDDLE_MOUSE_BUTTON;
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else if (cef_modifiers & EVENTFLAG_RIGHT_MOUSE_BUTTON)
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result |= ui::EF_RIGHT_MOUSE_BUTTON;
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return result;
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}
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content::RenderWidgetHostViewAura*
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CefBrowserPlatformDelegateNativeAura::GetHostView() const {
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if (!web_contents_)
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return nullptr;
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return static_cast<content::RenderWidgetHostViewAura*>(
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web_contents_->GetRenderWidgetHostView());
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}
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