electron/atom/browser/native_window.h
Cheng Zhao d092c6acc9 osx: Implement draggable region with mouseDownCanMoveWindow
Previously we implemented draggable region by tracking mouse position,
it is buggy and causing some problems. But it is interesting that until
this didn't cause troubles until recently.
2015-10-21 08:54:46 +08:00

339 lines
11 KiB
C++

// 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 ATOM_BROWSER_NATIVE_WINDOW_H_
#define ATOM_BROWSER_NATIVE_WINDOW_H_
#include <map>
#include <string>
#include <vector>
#include "atom/browser/native_window_observer.h"
#include "atom/browser/ui/accelerator_util.h"
#include "base/cancelable_callback.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/supports_user_data.h"
#include "content/public/browser/readback_types.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
#include "extensions/browser/app_window/size_constraints.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/image/image_skia.h"
class SkRegion;
namespace brightray {
class InspectableWebContents;
}
namespace content {
struct NativeWebKeyboardEvent;
}
namespace gfx {
class Point;
class Rect;
class Size;
}
namespace mate {
class Dictionary;
}
namespace ui {
class MenuModel;
}
namespace atom {
struct DraggableRegion;
class NativeWindow : public base::SupportsUserData,
public content::WebContentsObserver {
public:
using CapturePageCallback = base::Callback<void(const SkBitmap& bitmap)>;
class DialogScope {
public:
explicit DialogScope(NativeWindow* window)
: window_(window) {
if (window_ != NULL)
window_->set_has_dialog_attached(true);
}
~DialogScope() {
if (window_ != NULL)
window_->set_has_dialog_attached(false);
}
private:
NativeWindow* window_;
DISALLOW_COPY_AND_ASSIGN(DialogScope);
};
virtual ~NativeWindow();
// Create window with existing WebContents, the caller is responsible for
// managing the window's live.
static NativeWindow* Create(
brightray::InspectableWebContents* inspectable_web_contents,
const mate::Dictionary& options);
// Find a window from its WebContents
static NativeWindow* FromWebContents(content::WebContents* web_contents);
void InitFromOptions(const mate::Dictionary& options);
virtual void Close() = 0;
virtual void CloseImmediately() = 0;
virtual bool IsClosed() const { return is_closed_; }
virtual void Focus(bool focus) = 0;
virtual bool IsFocused() = 0;
virtual void Show() = 0;
virtual void ShowInactive() = 0;
virtual void Hide() = 0;
virtual bool IsVisible() = 0;
virtual void Maximize() = 0;
virtual void Unmaximize() = 0;
virtual bool IsMaximized() = 0;
virtual void Minimize() = 0;
virtual void Restore() = 0;
virtual bool IsMinimized() = 0;
virtual void SetFullScreen(bool fullscreen) = 0;
virtual bool IsFullscreen() const = 0;
virtual void SetBounds(const gfx::Rect& bounds) = 0;
virtual gfx::Rect GetBounds() = 0;
virtual void SetSize(const gfx::Size& size);
virtual gfx::Size GetSize();
virtual void SetPosition(const gfx::Point& position);
virtual gfx::Point GetPosition();
virtual void SetContentSize(const gfx::Size& size);
virtual gfx::Size GetContentSize();
virtual void SetSizeConstraints(
const extensions::SizeConstraints& size_constraints);
virtual extensions::SizeConstraints GetSizeConstraints();
virtual void SetContentSizeConstraints(
const extensions::SizeConstraints& size_constraints);
virtual extensions::SizeConstraints GetContentSizeConstraints();
virtual void SetMinimumSize(const gfx::Size& size);
virtual gfx::Size GetMinimumSize();
virtual void SetMaximumSize(const gfx::Size& size);
virtual gfx::Size GetMaximumSize();
virtual void SetResizable(bool resizable) = 0;
virtual bool IsResizable() = 0;
virtual void SetAlwaysOnTop(bool top) = 0;
virtual bool IsAlwaysOnTop() = 0;
virtual void Center() = 0;
virtual void SetTitle(const std::string& title) = 0;
virtual std::string GetTitle() = 0;
virtual void FlashFrame(bool flash) = 0;
virtual void SetSkipTaskbar(bool skip) = 0;
virtual void SetKiosk(bool kiosk) = 0;
virtual bool IsKiosk() = 0;
virtual void SetRepresentedFilename(const std::string& filename);
virtual std::string GetRepresentedFilename();
virtual void SetDocumentEdited(bool edited);
virtual bool IsDocumentEdited();
virtual void SetMenu(ui::MenuModel* menu);
virtual bool HasModalDialog();
virtual gfx::NativeWindow GetNativeWindow() = 0;
// Taskbar/Dock APIs.
virtual void SetProgressBar(double progress) = 0;
virtual void SetOverlayIcon(const gfx::Image& overlay,
const std::string& description) = 0;
// Workspace APIs.
virtual void SetVisibleOnAllWorkspaces(bool visible) = 0;
virtual bool IsVisibleOnAllWorkspaces() = 0;
// Webview APIs.
virtual void FocusOnWebView();
virtual void BlurWebView();
virtual bool IsWebViewFocused();
virtual bool IsDevToolsFocused();
// Captures the page with |rect|, |callback| would be called when capturing is
// done.
virtual void CapturePage(const gfx::Rect& rect,
const CapturePageCallback& callback);
// Show popup dictionary.
virtual void ShowDefinitionForSelection();
// Toggle the menu bar.
virtual void SetAutoHideMenuBar(bool auto_hide);
virtual bool IsMenuBarAutoHide();
virtual void SetMenuBarVisibility(bool visible);
virtual bool IsMenuBarVisible();
// Set the aspect ratio when resizing window.
double GetAspectRatio();
gfx::Size GetAspectRatioExtraSize();
void SetAspectRatio(double aspect_ratio, const gfx::Size& extra_size);
base::WeakPtr<NativeWindow> GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
// Requests the WebContents to close, can be cancelled by the page.
virtual void RequestToClosePage();
// Methods called by the WebContents.
virtual void CloseContents(content::WebContents* source);
virtual void RendererUnresponsive(content::WebContents* source);
virtual void RendererResponsive(content::WebContents* source);
virtual void HandleKeyboardEvent(
content::WebContents*,
const content::NativeWebKeyboardEvent& event) {}
// Public API used by platform-dependent delegates and observers to send UI
// related notifications.
void NotifyWindowClosed();
void NotifyWindowBlur();
void NotifyWindowFocus();
void NotifyWindowMaximize();
void NotifyWindowUnmaximize();
void NotifyWindowMinimize();
void NotifyWindowRestore();
void NotifyWindowMove();
void NotifyWindowResize();
void NotifyWindowMoved();
void NotifyWindowEnterFullScreen();
void NotifyWindowLeaveFullScreen();
void NotifyWindowEnterHtmlFullScreen();
void NotifyWindowLeaveHtmlFullScreen();
void NotifyWindowExecuteWindowsCommand(const std::string& command);
void AddObserver(NativeWindowObserver* obs) {
observers_.AddObserver(obs);
}
void RemoveObserver(NativeWindowObserver* obs) {
observers_.RemoveObserver(obs);
}
brightray::InspectableWebContents* inspectable_web_contents() const {
return inspectable_web_contents_;
}
bool has_frame() const { return has_frame_; }
bool transparent() const { return transparent_; }
SkRegion* draggable_region() const { return draggable_region_.get(); }
bool enable_larger_than_screen() const { return enable_larger_than_screen_; }
gfx::ImageSkia icon() const { return icon_; }
bool force_using_draggable_region() const {
return force_using_draggable_region_;
}
void set_force_using_draggable_region(bool force) {
force_using_draggable_region_ = true;
}
void set_has_dialog_attached(bool has_dialog_attached) {
has_dialog_attached_ = has_dialog_attached;
}
protected:
NativeWindow(brightray::InspectableWebContents* inspectable_web_contents,
const mate::Dictionary& options);
// Convert draggable regions in raw format to SkRegion format. Caller is
// responsible for deleting the returned SkRegion instance.
scoped_ptr<SkRegion> DraggableRegionsToSkRegion(
const std::vector<DraggableRegion>& regions);
// Converts between content size to window size.
virtual gfx::Size ContentSizeToWindowSize(const gfx::Size& size) = 0;
virtual gfx::Size WindowSizeToContentSize(const gfx::Size& size) = 0;
// Called when the window needs to update its draggable region.
virtual void UpdateDraggableRegions(
const std::vector<DraggableRegion>& regions);
// content::WebContentsObserver:
void RenderViewCreated(content::RenderViewHost* render_view_host) override;
void BeforeUnloadDialogCancelled() override;
void TitleWasSet(content::NavigationEntry* entry, bool explicit_set) override;
bool OnMessageReceived(const IPC::Message& message) override;
private:
// Schedule a notification unresponsive event.
void ScheduleUnresponsiveEvent(int ms);
// Dispatch unresponsive event to observers.
void NotifyWindowUnresponsive();
// Called when CapturePage has done.
void OnCapturePageDone(const CapturePageCallback& callback,
const SkBitmap& bitmap,
content::ReadbackResponse response);
// Whether window has standard frame.
bool has_frame_;
// Force the window to be aware of draggable regions.
bool force_using_draggable_region_;
// Whether window is transparent.
bool transparent_;
// For custom drag, the whole window is non-draggable and the draggable region
// has to been explicitly provided.
scoped_ptr<SkRegion> draggable_region_; // used in custom drag.
// Minimum and maximum size, stored as content size.
extensions::SizeConstraints size_constraints_;
// Whether window can be resized larger than screen.
bool enable_larger_than_screen_;
// Window icon.
gfx::ImageSkia icon_;
// The windows has been closed.
bool is_closed_;
// There is a dialog that has been attached to window.
bool has_dialog_attached_;
// 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::CancelableClosure window_unresposive_closure_;
// Used to maintain the aspect ratio of a view which is inside of the
// content view.
double aspect_ratio_;
gfx::Size aspect_ratio_extraSize_;
// The page this window is viewing.
brightray::InspectableWebContents* inspectable_web_contents_;
// Observers of this window.
base::ObserverList<NativeWindowObserver> observers_;
base::WeakPtrFactory<NativeWindow> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(NativeWindow);
};
// This class provides a hook to get a NativeWindow from a WebContents.
class NativeWindowRelay :
public content::WebContentsUserData<NativeWindowRelay> {
public:
explicit NativeWindowRelay(base::WeakPtr<NativeWindow> window)
: key(UserDataKey()), window(window) {}
void* key;
base::WeakPtr<NativeWindow> window;
private:
friend class content::WebContentsUserData<NativeWindow>;
};
} // namespace atom
#endif // ATOM_BROWSER_NATIVE_WINDOW_H_