chrome/browser/ui/cocoa/extensions/extension_view_mac.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_
   6 #define CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_
   7
   8 #include <ApplicationServices/ApplicationServices.h>
   9
  10 #include "base/basictypes.h"
  11 #include "chrome/browser/extensions/extension_view.h"
  12 #include "third_party/skia/include/core/SkBitmap.h"
  13 #include "ui/gfx/geometry/size.h"
  14 #include "ui/gfx/native_widget_types.h"
  15
  16 class Browser;
  17 class SkBitmap;
  18
  19 namespace content {
  20 class RenderViewHost;
  21 }
  22
  23 namespace extensions {
  24 class ExtensionHost;
  25 }
  26
  27 // This class represents extension views. An extension view internally contains
  28 // a bridge to an extension process, which draws to the extension view's
  29 // native view object through IPC.
  30 class ExtensionViewMac : public extensions::ExtensionView {
  31  public:
  32   class Container {
  33    public:
  34     virtual ~Container() {}
  35     virtual void OnExtensionSizeChanged(ExtensionViewMac* view,
  36                                         const gfx::Size& new_size) {}
  37     virtual void OnExtensionViewDidShow(ExtensionViewMac* view) {};
  38   };
  39
  40   // The minimum/maximum dimensions of the popup.
  41   // The minimum is just a little larger than the size of the button itself.
  42   // The maximum is an arbitrary number that should be smaller than most
  43   // screens.
  44   static const CGFloat kMinWidth;
  45   static const CGFloat kMinHeight;
  46   static const CGFloat kMaxWidth;
  47   static const CGFloat kMaxHeight;
  48
  49   ExtensionViewMac(extensions::ExtensionHost* extension_host, Browser* browser);
  50   ~ExtensionViewMac() override;
  51
  52   // Sets the container for this view.
  53   void set_container(Container* container) { container_ = container; }
  54
  55   // Informs the view that its containing window's frame changed.
  56   void WindowFrameChanged();
  57
  58   // Create the host view, adding it as a subview of |superview|.
  59   void CreateWidgetHostViewIn(gfx::NativeView superview);
  60
  61   // extensions::ExtensionView:
  62   Browser* GetBrowser() override;
  63   gfx::NativeView GetNativeView() override;
  64   void ResizeDueToAutoResize(const gfx::Size& new_size) override;
  65   void RenderViewCreated() override;
  66   void HandleKeyboardEvent(
  67       content::WebContents* source,
  68       const content::NativeWebKeyboardEvent& event) override;
  69   void DidStopLoading() override;
  70
  71  private:
  72   content::RenderViewHost* render_view_host() const;
  73
  74   // We wait to show the ExtensionView until several things have loaded.
  75   void ShowIfCompletelyLoaded();
  76
  77   Browser* browser_;  // weak
  78
  79   extensions::ExtensionHost* extension_host_;  // weak
  80
  81   // What we should set the preferred width to once the ExtensionView has
  82   // loaded.
  83   gfx::Size pending_preferred_size_;
  84
  85   Container* container_;
  86
  87   DISALLOW_COPY_AND_ASSIGN(ExtensionViewMac);
  88 };
  89
  90 #endif  // CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_