394 lines
10 KiB
C++
394 lines
10 KiB
C++
#include "multi_browser_manager.h"
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#include "multi_browser_form.h"
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#include "browser_box.h"
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#include "dragdrop/drag_form.h"
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#include "dragdrop/drag_drop.h"
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namespace
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{
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const int kSplitFormXOffset = 20; //自动拆分浏览器窗口后新窗口的x偏移坐标
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const int kSplitFormYOffset = 20; //自动拆分浏览器窗口后新窗口的y偏移坐标
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const int kDragFormXOffset = -100; //拖拽出新浏览器窗口后的相对鼠标的x偏移坐标
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const int kDragFormYOffset = -20; //拖拽出新浏览器窗口后的相对鼠标的y偏移坐标
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}
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BrowserBox* MultiBrowserManager::CreateBorwserBox(MultiBrowserForm *browser_form, const std::string &id, const std::wstring &url)
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{
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BrowserBox *browser_box = NULL;
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// 如果启用了窗口合并功能，就把新浏览器盒子都集中创建到某一个浏览器窗口里
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// 否则每个浏览器盒子都创建一个浏览器窗口
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if (enable_merge_)
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{
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if (!browser_form)
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{
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browser_form = new MultiBrowserForm;
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HWND hwnd = browser_form->Create(NULL, L"MultiBrowser", UI_WNDSTYLE_FRAME, 0, false);
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if (hwnd == NULL)
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{
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browser_form = NULL;
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return NULL;
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}
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browser_form->CenterWindow();
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}
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browser_box = browser_form->CreateBox(id, url);
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if (NULL == browser_box)
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return NULL;
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}
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else
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{
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browser_form = new MultiBrowserForm;
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HWND hwnd = browser_form->Create(NULL, L"MultiBrowser", UI_WNDSTYLE_FRAME, 0, false);
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if (hwnd == NULL)
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return NULL;
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browser_box = browser_form->CreateBox(id, url);
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if (NULL == browser_box)
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return NULL;
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browser_form->CenterWindow();
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}
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box_map_[id] = browser_box;
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return browser_box;
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}
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MultiBrowserManager::MultiBrowserManager()
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{
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enable_merge_ = true;
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use_custom_drag_image_ = true;
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}
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MultiBrowserManager::~MultiBrowserManager()
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{
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}
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bool MultiBrowserManager::IsBorwserBoxActive(const std::string& id)
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{
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BrowserBox *browser_box = FindBorwserBox(id);
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if (NULL != browser_box)
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{
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MultiBrowserForm *parent_form = browser_box->GetBrowserForm();
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return parent_form->IsActiveBox(browser_box);
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}
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return false;
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}
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BrowserBox* MultiBrowserManager::FindBorwserBox( const std::string &id )
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{
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std::map<std::string, BrowserBox*>::const_iterator i = box_map_.find(id);
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if (i == box_map_.end())
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return NULL;
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else
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return i->second;
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}
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void MultiBrowserManager::RemoveBorwserBox( std::string id, const BrowserBox* box /*=NULL*/)
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{
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auto it_box = box_map_.find(id);
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if (it_box == box_map_.end())
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{
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assert(0);
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}
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else
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{
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if (NULL == box || box == it_box->second)
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{
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box_map_.erase(it_box);
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}
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else
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{
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assert(0);
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}
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}
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if (box_map_.empty())
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nim_comp::CefManager::GetInstance()->PostQuitMessage(0);
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}
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void MultiBrowserManager::SetEnableMerge(bool enable)
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{
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if (enable_merge_ == enable)
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return;
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enable_merge_ = enable;
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if (enable_merge_)
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{
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// 如果当前只有一个浏览器窗口或者浏览器盒子，就不需要进行合并操作
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if (box_map_.size() <= 1)
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return;
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// 选择第一个浏览器盒子所属的窗口作为合并窗口
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MultiBrowserForm *merge_form = box_map_.begin()->second->GetBrowserForm();
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// 遍历所有浏览器盒子，脱离原浏览器窗口，再附加到合并窗口里
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for (auto it_box : box_map_)
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{
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ASSERT(NULL != it_box.second);
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MultiBrowserForm *parent_form = it_box.second->GetBrowserForm();
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if (merge_form != parent_form)
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{
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if (parent_form->DetachBox(it_box.second))
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{
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merge_form->AttachBox(it_box.second);
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}
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}
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}
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}
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else
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{
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// 如果当前只有一个浏览器盒子，就不需要进行拆分操作
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if (box_map_.size() <= 1)
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return;
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// 给新拆分的窗口设置坐标
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bool first_sort = true;
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ui::UiRect rect_old_form;
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MultiBrowserForm *sort_form = NULL;
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// 遍历所有浏览器盒子，脱离原浏览器窗口，创建新的浏览器窗口并附加浏览器盒子
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for (auto it_box : box_map_)
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{
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ASSERT(NULL != it_box.second);
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MultiBrowserForm *parent_form = it_box.second->GetBrowserForm();
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if (1 == parent_form->GetBoxCount())
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{
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sort_form = parent_form;
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}
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else if (parent_form->DetachBox(it_box.second))
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{
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MultiBrowserForm *browser_form = new MultiBrowserForm;
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HWND hwnd = browser_form->Create(NULL, L"MultiBrowser", UI_WNDSTYLE_FRAME, 0, false);
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if (hwnd == NULL)
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{
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ASSERT(0);
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continue;
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}
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if (!browser_form->AttachBox(it_box.second))
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{
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ASSERT(0);
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continue;
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}
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sort_form = browser_form;
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}
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if (NULL != sort_form)
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{
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if (first_sort)
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{
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first_sort = false;
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sort_form->CenterWindow();
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rect_old_form = sort_form->GetPos(true);
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}
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else
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{
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rect_old_form.left += kSplitFormXOffset;
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rect_old_form.top += kSplitFormXOffset;
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sort_form->SetPos(rect_old_form, true, SWP_NOSIZE, NULL, true);
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}
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}
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}
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}
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}
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bool MultiBrowserManager::IsEnableMerge() const
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{
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return enable_merge_;
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}
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void MultiBrowserManager::SetUseCustomDragImage(bool use)
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{
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use_custom_drag_image_ = use;
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}
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bool MultiBrowserManager::IsUseCustomDragImage() const
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{
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return use_custom_drag_image_;
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}
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bool MultiBrowserManager::IsDragingBorwserBox() const
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{
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return enable_merge_ && NULL != draging_box_;
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}
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void MultiBrowserManager::SetDropForm(MultiBrowserForm *browser_form)
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{
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if (NULL == browser_form)
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return;
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drop_browser_form_ = browser_form;
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}
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bool MultiBrowserManager::DoDragBorwserBox(BrowserBox *browser_box, HBITMAP bitmap, POINT pt_offset)
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{
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if (!enable_merge_)
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return false;
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SdkDropSource* drop_src = new SdkDropSource;
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if (drop_src == NULL)
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return false;
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SdkDataObject* data_object = CreateDragDataObject(bitmap, pt_offset);
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if (data_object == NULL)
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return false;
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// 无论什么时候都让拖拽时光标显示为箭头
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drop_src->SetFeedbackCursor(::LoadCursor(NULL, MAKEINTRESOURCE(IDC_ARROW)));
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OnBeforeDragBorwserBox(browser_box, bitmap, pt_offset);
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// 此函数会阻塞直到拖拽完成
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DWORD dwEffect;
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HRESULT hr = ::DoDragDrop(data_object, drop_src, DROPEFFECT_COPY | DROPEFFECT_MOVE, &dwEffect);
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OnAfterDragBorwserBox();
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// 销毁位图
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DeleteObject(bitmap);
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drop_src->Release();
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data_object->Release();
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return true;
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}
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SdkDataObject* MultiBrowserManager::CreateDragDataObject(HBITMAP bitmap, POINT pt_offset)
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{
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SdkDataObject* data_object = new SdkDataObject;
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if (data_object == NULL)
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return NULL;
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if (use_custom_drag_image_)
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{
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FORMATETC fmtetc = { 0 };
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fmtetc.dwAspect = DVASPECT_CONTENT;
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fmtetc.lindex = -1;
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fmtetc.cfFormat = CF_HDROP;
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fmtetc.tymed = TYMED_NULL;
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STGMEDIUM medium = { 0 };
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medium.tymed = TYMED_NULL;
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data_object->SetData(&fmtetc, &medium, FALSE);
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}
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else
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{
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FORMATETC fmtetc = { 0 };
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fmtetc.dwAspect = DVASPECT_CONTENT;
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fmtetc.lindex = -1;
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fmtetc.cfFormat = CF_BITMAP;
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fmtetc.tymed = TYMED_GDI;
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STGMEDIUM medium = { 0 };
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medium.tymed = TYMED_GDI;
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HBITMAP hBitmap = (HBITMAP)OleDuplicateData(bitmap, fmtetc.cfFormat, NULL);
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medium.hBitmap = hBitmap;
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data_object->SetData(&fmtetc, &medium, FALSE);
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BITMAP bitmap_info;
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GetObject(hBitmap, sizeof(BITMAP), &bitmap_info);
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SIZE bitmap_size = { bitmap_info.bmWidth, bitmap_info.bmHeight };
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SdkDragSourceHelper dragSrcHelper;
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dragSrcHelper.InitializeFromBitmap(hBitmap, pt_offset, bitmap_size, data_object, RGB(255, 0, 255));
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}
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return data_object;
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}
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void MultiBrowserManager::OnBeforeDragBorwserBox(BrowserBox *browser_box, HBITMAP bitmap, POINT pt_offset)
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{
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// 获取当前被拖拽的浏览器盒子所属的浏览器窗口
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draging_box_ = browser_box;
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MultiBrowserForm *drag_browser_form = draging_box_->GetBrowserForm();
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ASSERT(NULL != drag_browser_form);
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// 获取被拖拽浏览器窗口中浏览器盒子的数量
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int box_count = drag_browser_form->GetBoxCount();
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ASSERT(box_count > 0);
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drop_browser_form_ = NULL;
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drag_browser_form->OnBeforeDragBoxCallback(nbase::UTF8ToUTF16(draging_box_->GetId()));
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if (use_custom_drag_image_)
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DragForm::CreateCustomDragImage(bitmap, pt_offset);
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}
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void MultiBrowserManager::OnAfterDragBorwserBox()
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{
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if (use_custom_drag_image_)
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DragForm::CloseCustomDragImage();
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if (NULL == draging_box_)
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return;
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// 获取当前被拖拽的浏览器盒子所属的浏览器窗口
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MultiBrowserForm *drag_browser_form = draging_box_->GetBrowserForm();
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ASSERT(NULL != drag_browser_form);
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// 获取被拖拽浏览器窗口中浏览器盒子的数量
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int box_count = drag_browser_form->GetBoxCount();
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ASSERT(box_count > 0);
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// 如果被拖拽的浏览器盒子放入到一个浏览器窗口里
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if (NULL != drop_browser_form_)
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{
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if (drag_browser_form == drop_browser_form_)
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{
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drag_browser_form->OnAfterDragBoxCallback(false);
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}
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else
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{
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drag_browser_form->OnAfterDragBoxCallback(true);
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if (drag_browser_form->DetachBox(draging_box_))
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{
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drop_browser_form_->AttachBox(draging_box_);
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}
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}
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// 如果被拖拽的浏览器窗口包含多个浏览器盒子，就投递一个WM_LBUTTONUP消息给窗口
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// (因为窗口被拖拽时触发了ButtonDown和ButtonMove消息，但是最终的ButtonUp消息会被忽略，这里补上)
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// 如果只有一个浏览器盒子，则浏览器盒子脱离浏览器窗口时，浏览器窗口就会关闭，不需要投递
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if (box_count > 1)
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drag_browser_form->PostMessage(WM_LBUTTONUP, 0, 0);
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}
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// 如果没有被拖拽到另一个浏览器窗口里
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else
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{
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// 如果被拖拽的浏览器窗口里只有一个浏览器盒子,则拖拽失败
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if (1 == box_count)
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{
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drag_browser_form->OnAfterDragBoxCallback(false);
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}
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// 如果有多个浏览器盒子, 就把浏览器盒子脱离原浏览器窗口，附加到新的浏览器窗口，拖拽成功
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else
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{
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drag_browser_form->OnAfterDragBoxCallback(true);
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if (drag_browser_form->DetachBox(draging_box_))
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{
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MultiBrowserForm *browser_form = new MultiBrowserForm;
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HWND hwnd = browser_form->Create(NULL, L"MultiBrowser", UI_WNDSTYLE_FRAME, 0, false);
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if (hwnd != NULL)
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{
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if (browser_form->AttachBox(draging_box_))
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{
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// 这里设置新浏览器窗口的位置，设置到偏移鼠标坐标100,20的位置
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POINT pt_mouse;
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::GetCursorPos(&pt_mouse);
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ui::UiRect rect(pt_mouse.x + kDragFormXOffset, pt_mouse.y + kDragFormYOffset, 0, 0);
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browser_form->SetPos(rect, false, SWP_NOSIZE);
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}
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}
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}
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}
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// 如果没有被拖拽到另一个浏览器窗口里，这时不会有浏览器窗口被关闭，所以直接投递ButtonUp消息
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drag_browser_form->PostMessage(WM_LBUTTONUP, 0, 0);
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}
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draging_box_ = NULL;
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drop_browser_form_ = NULL;
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} |