chrome/browser/ui/views/extensions/extension_view_views.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_VIEWS_EXTENSIONS_EXTENSION_VIEW_VIEWS_H_
   6 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_VIEW_VIEWS_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "chrome/browser/extensions/extension_view.h"
  10 #include "content/public/browser/native_web_keyboard_event.h"
  11 #include "third_party/skia/include/core/SkBitmap.h"
  12 #include "ui/views/controls/webview/unhandled_keyboard_event_handler.h"
  13 #include "ui/views/controls/webview/webview.h"
  14
  15 class Browser;
  16
  17 namespace content {
  18 class RenderViewHost;
  19 }
  20
  21 namespace extensions {
  22 class ExtensionHost;
  23 }
  24
  25 // This handles the display portion of an ExtensionHost.
  26 class ExtensionViewViews : public views::WebView,
  27                            public extensions::ExtensionView {
  28  public:
  29   // A class that represents the container that this view is in.
  30   // (bottom shelf, side bar, etc.)
  31   class Container {
  32    public:
  33     virtual ~Container() {}
  34
  35     virtual void OnExtensionSizeChanged(ExtensionViewViews* view) {}
  36   };
  37
  38   ExtensionViewViews(extensions::ExtensionHost* host, Browser* browser);
  39   ~ExtensionViewViews() override;
  40
  41   // extensions::ExtensionView:
  42   Browser* GetBrowser() override;
  43
  44   // views::WebView:
  45   void SetVisible(bool is_visible) override;
  46
  47   void set_minimum_size(const gfx::Size& minimum_size) {
  48     minimum_size_ = minimum_size;
  49   }
  50   void set_container(Container* container) { container_ = container; }
  51
  52  private:
  53   friend class extensions::ExtensionHost;
  54
  55   // extensions::ExtensionView:
  56   gfx::NativeView GetNativeView() override;
  57   void ResizeDueToAutoResize(content::WebContents* web_contents,
  58                              const gfx::Size& new_size) override;
  59   void RenderViewCreated(content::RenderViewHost* render_view_host) override;
  60   void HandleKeyboardEvent(
  61       content::WebContents* source,
  62       const content::NativeWebKeyboardEvent& event) override;
  63   void DidStopLoading() override;
  64
  65   // views::WebView:
  66   gfx::NativeCursor GetCursor(const ui::MouseEvent& event) override;
  67   gfx::Size GetMinimumSize() const override;
  68   void PreferredSizeChanged() override;
  69   void OnWebContentsAttached() override;
  70
  71   // Note that host_ owns view
  72   extensions::ExtensionHost* host_;
  73
  74   // The browser window that this view is in.
  75   Browser* browser_;
  76
  77   // What we should set the preferred width to once the ExtensionViewViews has
  78   // loaded.
  79   gfx::Size pending_preferred_size_;
  80   gfx::Size minimum_size_;
  81
  82   // The container this view is in (not necessarily its direct superview).
  83   // Note: the view does not own its container.
  84   Container* container_;
  85
  86   // A handler to handle unhandled keyboard messages coming back from the
  87   // renderer process.
  88   views::UnhandledKeyboardEventHandler unhandled_keyboard_event_handler_;
  89
  90   DISALLOW_COPY_AND_ASSIGN(ExtensionViewViews);
  91 };
  92
  93 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_VIEW_VIEWS_H_