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ViewComponent.h
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130 lines (106 loc) · 4.16 KB
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// Copyright (C) Microsoft Corporation. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#pragma once
#include "stdafx.h"
#include "AppWindow.h"
#include "ComponentBase.h"
#include <dcomp.h>
#include <unordered_set>
#ifdef USE_WEBVIEW2_WIN10
#include <winrt/Windows.UI.Composition.Desktop.h>
#endif
// This component handles commands from the View menu, as well as the ZoomFactorChanged
// event, and any functionality related to sizing and visibility of the WebView.
// It also manages interaction with the compositor if running in windowless mode.
class DCompTargetImpl;
class DropTarget;
class ViewComponent : public ComponentBase
{
friend class DCompTargetImpl;
public:
ViewComponent(
AppWindow* appWindow,
IDCompositionDevice* dcompDevice,
#ifdef USE_WEBVIEW2_WIN10
winrtComp::Compositor wincompCompositor,
#endif
bool isDCompTargetMode
);
bool HandleWindowMessage(
HWND hWnd,
UINT message,
WPARAM wParam,
LPARAM lParam,
LRESULT* result) override;
void SetBounds(RECT bounds);
RECT GetBounds();
// Converts a screen point to a WebView client point while taking into
// account WebView's offset.
void OffsetPointToWebView(LPPOINT point);
void UpdateDpiAndTextScale();
~ViewComponent() override;
private:
enum class TransformType
{
kIdentity = 0,
kScale2X,
kRotate30Deg,
kRotate60DegDiagonally
};
void ResizeWebView();
void ToggleVisibility();
void Suspend();
void Resume();
void SetBackgroundColor(COLORREF color, bool transparent);
void SetSizeRatio(float ratio);
void SetZoomFactor(float zoom);
void SetScale(float scale);
void SetTransform(TransformType transformType);
void SetRasterizationScale(float additionalScale);
void SetBoundsMode(COREWEBVIEW2_BOUNDS_MODE boundsMode);
void ShowWebViewBounds();
void ShowWebViewZoom();
AppWindow* m_appWindow = nullptr;
wil::com_ptr<ICoreWebView2Controller> m_controller;
wil::com_ptr<ICoreWebView2Controller3> m_controller3;
wil::com_ptr<ICoreWebView2> m_webView;
bool m_isDcompTargetMode;
bool m_isVisible = true;
float m_webViewRatio = 1.0f;
float m_webViewZoomFactor = 1.0f;
RECT m_webViewBounds = {};
float m_webViewScale = 1.0f;
bool m_useCursorId = false;
wil::com_ptr<DropTarget> m_dropTarget;
float m_webviewAdditionalRasterizationScale = 1.0f;
COREWEBVIEW2_BOUNDS_MODE m_boundsMode = COREWEBVIEW2_BOUNDS_MODE_USE_RAW_PIXELS;
EventRegistrationToken m_zoomFactorChangedToken = {};
EventRegistrationToken m_rasterizationScaleChangedToken = {};
bool OnMouseMessage(UINT message, WPARAM wParam, LPARAM lParam);
bool OnPointerMessage(UINT message, WPARAM wParam, LPARAM lParam);
void TrackMouseEvents(DWORD mouseTrackingFlags);
wil::com_ptr<ICoreWebView2CompositionController> m_compositionController;
bool m_isTrackingMouse = false;
bool m_isCapturingMouse = false;
std::unordered_set<UINT> m_pointerIdsStartingInWebView;
D2D1_MATRIX_4X4_F m_webViewTransformMatrix = D2D1::Matrix4x4F();
void BuildDCompTreeUsingVisual();
void DestroyDCompVisualTree();
wil::com_ptr<IDCompositionDevice> m_dcompDevice;
wil::com_ptr<IDCompositionTarget> m_dcompHwndTarget;
wil::com_ptr<IDCompositionVisual> m_dcompRootVisual;
wil::com_ptr<IDCompositionVisual> m_dcompWebViewVisual;
#ifdef USE_WEBVIEW2_WIN10
void BuildWinCompVisualTree();
void DestroyWinCompVisualTree();
winrt::Windows::UI::Composition::Compositor m_wincompCompositor{ nullptr };
winrt::Windows::UI::Composition::Desktop::DesktopWindowTarget m_wincompHwndTarget{ nullptr };
winrt::Windows::UI::Composition::ContainerVisual m_wincompRootVisual{ nullptr };
winrt::Windows::UI::Composition::ContainerVisual m_wincompWebViewVisual{ nullptr };
#endif
// This member is used to exercise the put_RootVisualTarget API with an IDCompositionTarget.
// Distinct/unrelated to the dcompHwndTarget
wil::com_ptr<DCompTargetImpl> m_dcompTarget;
EventRegistrationToken m_cursorChangedToken = {};
};