text: // Copyright (c) 2013 GitHub, Inc.
  // Use of this source code is governed by the MIT license that can be
  // found in the LICENSE file.
  
  #ifndef ELECTRON_SHELL_BROWSER_API_ELECTRON_API_BROWSER_WINDOW_H_
  #define ELECTRON_SHELL_BROWSER_API_ELECTRON_API_BROWSER_WINDOW_H_
  
  #include <string>
  #include <vector>
  
  #include "base/cancelable_callback.h"
  #include "shell/browser/api/electron_api_base_window.h"
  #include "shell/browser/api/electron_api_web_contents.h"
  #include "shell/browser/ui/drag_util.h"
  #include "shell/common/gin_helper/error_thrower.h"
  
  namespace electron {
  
  namespace api {
  
  class BrowserWindow : public BaseWindow,
                        public content::RenderWidgetHost::InputEventObserver,
                        public content::WebContentsObserver,
                        public ExtendedWebContentsObserver {
   public:
    static gin_helper::WrappableBase* New(gin_helper::ErrorThrower thrower,
                                          gin::Arguments* args);
  
    static void BuildPrototype(v8::Isolate* isolate,
                               v8::Local<v8::FunctionTemplate> prototype);
  
    // Returns the BrowserWindow object from |native_window|.
    static v8::Local<v8::Value> From(v8::Isolate* isolate,
                                     NativeWindow* native_window);
  
    base::WeakPtr<BrowserWindow> GetWeakPtr() {
      return weak_factory_.GetWeakPtr();
    }
  
    // disable copy
    BrowserWindow(const BrowserWindow&) = delete;
    BrowserWindow& operator=(const BrowserWindow&) = delete;
  
   protected:
    BrowserWindow(gin::Arguments* args, const gin_helper::Dictionary& options);
    ~BrowserWindow() override;
  
    // content::RenderWidgetHost::InputEventObserver:
    void OnInputEvent(const blink::WebInputEvent& event) override;
  
    // content::WebContentsObserver:
    void RenderViewHostChanged(content::RenderViewHost* old_host,
                               content::RenderViewHost* new_host) override;
    void RenderFrameCreated(content::RenderFrameHost* render_frame_host) override;
    void DidFirstVisuallyNonEmptyPaint() override;
    void BeforeUnloadDialogCancelled() override;
    void OnRendererUnresponsive(content::RenderProcessHost*) override;
    void OnRendererResponsive(
        content::RenderProcessHost* render_process_host) override;
    void WebContentsDestroyed() override;
  
    // ExtendedWebContentsObserver:
    void OnCloseContents() override;
    void OnDraggableRegionsUpdated(
        const std::vector<mojom::DraggableRegionPtr>& regions) override;
    void OnSetContentBounds(const gfx::Rect& rect) override;
    void OnActivateContents() override;
    void OnPageTitleUpdated(const std::u16string& title,
                            bool explicit_set) override;
    void OnDevToolsResized() override;
  
    // NativeWindowObserver:
    void RequestPreferredWidth(int* width) override;
    void OnCloseButtonClicked(bool* prevent_default) override;
    void OnWindowIsKeyChanged(bool is_key) override;
    void UpdateWindowControlsOverlay(const gfx::Rect& bounding_rect) override;
  
    // BaseWindow:
    void OnWindowBlur() override;
    void OnWindowFocus() override;
    void OnWindowResize() override;
    void OnWindowLeaveFullScreen() override;
    void CloseImmediately() override;
    void Focus() override;
    void Blur() override;
    void SetBackgroundColor(const std::string& color_name) override;
    void SetBrowserView(v8::Local<v8::Value> value) override;
    void AddBrowserView(v8::Local<v8::Value> value) override;
    void RemoveBrowserView(v8::Local<v8::Value> value) override;
    void SetTopBrowserView(v8::Local<v8::Value> value,
                           gin_helper::Arguments* args) override;
    void ResetBrowserViews() override;
    void SetVibrancy(v8::Isolate* isolate, v8::Local<v8::Value> value) override;
    void OnWindowShow() override;
    void OnWindowHide() override;
  
    // BrowserWindow APIs.
    void FocusOnWebView();
    void BlurWebView();
    bool IsWebViewFocused();
    v8::Local<v8::Value> GetWebContents(v8::Isolate* isolate);
  
   private:
  #if BUILDFLAG(IS_MAC)
    void OverrideNSWindowContentView(InspectableWebContentsView* webView);
  #endif
  
    // Helpers.
  
    // Called when the window needs to update its draggable region.
    void UpdateDraggableRegions(
        const std::vector<mojom::DraggableRegionPtr>& regions);
  
    // Schedule a notification unresponsive event.
    void ScheduleUnresponsiveEvent(int ms);
  
    // Dispatch unresponsive event to observers.
    void NotifyWindowUnresponsive();
  
    // Closure that would be called when window is unresponsive when closing,
    // it should be cancelled when we can prove that the window is responsive.
    base::CancelableRepeatingClosure window_unresponsive_closure_;
  
    std::vector<mojom::DraggableRegionPtr> draggable_regions_;
  
    v8::Global<v8::Value> web_contents_;
    base::WeakPtr<api::WebContents> api_web_contents_;
  
    base::WeakPtrFactory<BrowserWindow> weak_factory_{this};
  };
  
  }  // namespace api
  
  }  // namespace electron
  
  #endif  // ELECTRON_SHELL_BROWSER_API_ELECTRON_API_BROWSER_WINDOW_H_
  