| OLD | NEW |
| (Empty) |
| 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 CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_GTK_H_ | |
| 6 #define CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_GTK_H_ | |
| 7 | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/compiler_specific.h" | |
| 12 #include "build/build_config.h" | |
| 13 #include "content/browser/renderer_host/backing_store.h" | |
| 14 #include "content/common/content_export.h" | |
| 15 #include "ui/gfx/x/x11_types.h" | |
| 16 | |
| 17 namespace gfx { | |
| 18 class Point; | |
| 19 class Rect; | |
| 20 } | |
| 21 | |
| 22 typedef struct _GdkDrawable GdkDrawable; | |
| 23 | |
| 24 namespace content { | |
| 25 | |
| 26 class CONTENT_EXPORT BackingStoreGtk : public BackingStore { | |
| 27 public: | |
| 28 // Create a backing store on the X server. The visual is an Xlib Visual | |
| 29 // describing the format of the target window and the depth is the color | |
| 30 // depth of the X window which will be drawn into. | |
| 31 BackingStoreGtk(RenderWidgetHost* widget, | |
| 32 const gfx::Size& size, | |
| 33 void* visual, | |
| 34 int depth); | |
| 35 | |
| 36 // This is for unittesting only. An object constructed using this constructor | |
| 37 // will silently ignore all paints | |
| 38 BackingStoreGtk(RenderWidgetHost* widget, const gfx::Size& size); | |
| 39 | |
| 40 virtual ~BackingStoreGtk(); | |
| 41 | |
| 42 XDisplay* display() const { return display_; } | |
| 43 XID root_window() const { return root_window_; } | |
| 44 | |
| 45 // Copy from the server-side backing store to the target window | |
| 46 // origin: the destination rectangle origin | |
| 47 // damage: the area to copy | |
| 48 // target: the X id of the target window | |
| 49 void XShowRect(const gfx::Point &origin, const gfx::Rect& damage, | |
| 50 XID target); | |
| 51 | |
| 52 #if defined(TOOLKIT_GTK) | |
| 53 // Paint the backing store into the target's |dest_rect|. | |
| 54 void PaintToRect(const gfx::Rect& dest_rect, GdkDrawable* target); | |
| 55 #endif | |
| 56 | |
| 57 // BackingStore implementation. | |
| 58 virtual size_t MemorySize() OVERRIDE; | |
| 59 virtual void PaintToBackingStore( | |
| 60 RenderProcessHost* process, | |
| 61 TransportDIB::Id bitmap, | |
| 62 const gfx::Rect& bitmap_rect, | |
| 63 const std::vector<gfx::Rect>& copy_rects, | |
| 64 float scale_factor, | |
| 65 const base::Closure& completion_callback, | |
| 66 bool* scheduled_completion_callback) OVERRIDE; | |
| 67 virtual bool CopyFromBackingStore(const gfx::Rect& rect, | |
| 68 skia::PlatformBitmap* output) OVERRIDE; | |
| 69 virtual void ScrollBackingStore(const gfx::Vector2d& delta, | |
| 70 const gfx::Rect& clip_rect, | |
| 71 const gfx::Size& view_size) OVERRIDE; | |
| 72 | |
| 73 private: | |
| 74 // Paints the bitmap from the renderer onto the backing store without | |
| 75 // using Xrender to composite the pixmaps. | |
| 76 void PaintRectWithoutXrender(TransportDIB* bitmap, | |
| 77 const gfx::Rect& bitmap_rect, | |
| 78 const std::vector<gfx::Rect>& copy_rects); | |
| 79 | |
| 80 // This is the connection to the X server where this backing store will be | |
| 81 // displayed. | |
| 82 XDisplay* const display_; | |
| 83 // What flavor, if any, MIT-SHM (X shared memory) support we have. | |
| 84 const ui::SharedMemorySupport shared_memory_support_; | |
| 85 // If this is true, then we can use Xrender to composite our pixmaps. | |
| 86 const bool use_render_; | |
| 87 // If |use_render_| is false, this is the number of bits-per-pixel for |depth| | |
| 88 int pixmap_bpp_; | |
| 89 // if |use_render_| is false, we need the Visual to get the RGB masks. | |
| 90 void* const visual_; | |
| 91 // This is the depth of the target window. | |
| 92 const int visual_depth_; | |
| 93 // The parent window (probably a GtkDrawingArea) for this backing store. | |
| 94 const XID root_window_; | |
| 95 // This is a handle to the server side pixmap which is our backing store. | |
| 96 XID pixmap_; | |
| 97 // This is the RENDER picture pointing at |pixmap_|. | |
| 98 XID picture_; | |
| 99 // This is a default graphic context, used in XCopyArea | |
| 100 void* pixmap_gc_; | |
| 101 | |
| 102 DISALLOW_COPY_AND_ASSIGN(BackingStoreGtk); | |
| 103 }; | |
| 104 | |
| 105 } // namespace content | |
| 106 | |
| 107 #endif // CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_GTK_H_ | |
| OLD | NEW |