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113 lines
3.3 KiB
Go
113 lines
3.3 KiB
Go
//----------------------------------------
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//
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// Copyright © yanghy. All Rights Reserved.
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//
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// Licensed under Apache License Version 2.0, January 2004
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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//----------------------------------------
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package cef
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import (
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"github.com/energye/golcl/lcl"
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)
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// ICEFChromiumBrowser
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//
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// CEFChromium浏览器接口
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type ICEFChromiumBrowser interface {
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SetCreateBrowserExtraInfo(windowName string, context *ICefRequestContext, extraInfo *ICefDictionaryValue) //
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CreateBrowser() // 创建浏览器
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Chromium() IChromium // 返回 chromium
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WindowParent() ICEFWindowParent // 返回 chromium window 组件
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IsCreated() bool // 创建浏览器是否成功
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}
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// TCEFChromiumBrowser
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//
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// CEFChromium浏览器包装结构
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type TCEFChromiumBrowser struct {
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chromium IChromium // chromium
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windowParent ICEFWindowParent // chromium window 组件
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isCreated bool // chromium browser is created
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createTimer *lcl.TTimer // loop check and create chromium browser
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windowName string
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context *ICefRequestContext
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extraInfo *ICefDictionaryValue
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}
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// NewChromiumBrowser
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//
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// 初始创建一个 chromium 浏览器
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func NewChromiumBrowser(owner lcl.IWinControl, config *TCefChromiumConfig) ICEFChromiumBrowser {
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var m = new(TCEFChromiumBrowser)
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m.chromium = NewChromium(owner, config)
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m.windowParent = NewCEFWindowParent(owner)
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m.windowParent.SetParent(owner)
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m.windowParent.SetChromium(m.chromium, 0)
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m.createTimer = lcl.NewTimer(owner)
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m.createTimer.SetInterval(200)
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m.createTimer.SetOnTimer(m.checkAndCreateBrowser)
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return m
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}
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// checkAndCreateBrowser
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//
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// 创建浏览器
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// 创建时如果未创建成功, 使用定时器创建直到成功
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func (m *TCEFChromiumBrowser) checkAndCreateBrowser(sender lcl.IObject) {
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if m.isCreated || m.chromium == nil || m.createTimer == nil {
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return
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}
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m.createTimer.SetEnabled(false)
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if m.isCreated { // 成功创建 释放定时器
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m.createTimer.Free()
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m.createTimer = nil
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return
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}
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m.chromium.Initialized()
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m.isCreated = m.chromium.CreateBrowser(m.windowParent, m.windowName, m.context, m.extraInfo)
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if !m.isCreated {
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m.createTimer.SetEnabled(true)
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} else {
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m.windowParent.UpdateSize()
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}
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}
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func (m *TCEFChromiumBrowser) SetCreateBrowserExtraInfo(windowName string, context *ICefRequestContext, extraInfo *ICefDictionaryValue) {
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m.windowName = windowName
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m.context = context
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m.extraInfo = extraInfo
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}
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// CreateBrowser
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//
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// 创建浏览器
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// 创建时如果未创建成功, 使用定时任务创建直到成功
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func (m *TCEFChromiumBrowser) CreateBrowser() {
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m.checkAndCreateBrowser(nil)
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}
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// Chromium
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//
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// 返回 chromium
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func (m *TCEFChromiumBrowser) Chromium() IChromium {
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return m.chromium
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}
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// WindowParent
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//
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// 返回 chromium window 组件
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func (m *TCEFChromiumBrowser) WindowParent() ICEFWindowParent {
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return m.windowParent
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}
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// IsCreated
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//
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// 创建浏览器是否成功
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func (m *TCEFChromiumBrowser) IsCreated() bool {
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return m.isCreated
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}
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