1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_RENDERER_WEBPLUGIN_DELEGATE_PROXY_H__
#define CHROME_RENDERER_WEBPLUGIN_DELEGATE_PROXY_H__
#include <string>
#include "base/gfx/rect.h"
#include "base/ref_counted.h"
#include "chrome/common/ipc_message.h"
#include "chrome/renderer/plugin_channel_host.h"
#include "webkit/glue/webplugin.h"
#include "webkit/glue/webplugin_delegate.h"
class GURL;
struct PluginHostMsg_URLRequest_Params;
class NPObjectStub;
class RenderView;
class SkBitmap;
namespace base {
class SharedMemory;
class WaitableEvent;
}
namespace skia {
class PlatformCanvasWin;
}
// An implementation of WebPluginDelegate that proxies all calls to
// the plugin process.
class WebPluginDelegateProxy : public WebPluginDelegate,
public IPC::Channel::Listener,
public IPC::Message::Sender {
public:
static WebPluginDelegateProxy* Create(const GURL& url,
const std::string& mime_type,
const std::string& clsid,
RenderView* render_view);
// Called to drop our back-pointer to the containing RenderView.
void DropRenderView() { render_view_ = NULL; }
// Called to drop our pointer to the window script object.
void DropWindowScriptObject() { window_script_object_ = NULL; }
// Called to flush any deferred geometry changes to the plugin process.
virtual void FlushGeometryUpdates();
// WebPluginDelegate implementation:
virtual void PluginDestroyed();
virtual bool Initialize(const GURL& url, char** argn, char** argv, int argc,
WebPlugin* plugin, bool load_manually);
virtual void UpdateGeometry(const gfx::Rect& window_rect,
const gfx::Rect& clip_rect);
virtual void Paint(HDC hdc, const gfx::Rect& rect);
virtual void Print(HDC hdc);
virtual NPObject* GetPluginScriptableObject();
virtual void DidFinishLoadWithReason(NPReason reason);
virtual void SetFocus();
virtual bool HandleEvent(NPEvent* event, WebCursor* cursor);
virtual int GetProcessId();
// IPC::Channel::Listener implementation:
virtual void OnMessageReceived(const IPC::Message& msg);
void OnChannelError();
// IPC::Message::Sender implementation:
virtual bool Send(IPC::Message* msg);
virtual void SendJavaScriptStream(const std::string& url,
const std::wstring& result,
bool success, bool notify_needed,
int notify_data);
virtual void DidReceiveManualResponse(const std::string& url,
const std::string& mime_type,
const std::string& headers,
uint32 expected_length,
uint32 last_modified);
virtual void DidReceiveManualData(const char* buffer, int length);
virtual void DidFinishManualLoading();
virtual void DidManualLoadFail();
virtual FilePath GetPluginPath();
virtual void InstallMissingPlugin();
virtual WebPluginResourceClient* CreateResourceClient(int resource_id,
const std::string &url,
bool notify_needed,
void* notify_data,
void* existing_stream);
// Notifies the delegate about a Get/Post URL request getting routed
virtual void URLRequestRouted(const std::string&url, bool notify_needed,
void* notify_data);
protected:
template<class WebPluginDelegateProxy> friend class DeleteTask;
~WebPluginDelegateProxy();
private:
WebPluginDelegateProxy(const std::string& mime_type,
const std::string& clsid,
RenderView* render_view);
// Message handlers for messages that proxy WebPlugin methods, which
// we translate into calls to the real WebPlugin.
void OnSetWindow(HWND window, HANDLE modal_loop_pump_messages_event);
void OnCompleteURL(const std::string& url_in, std::string* url_out,
bool* result);
void OnHandleURLRequest(const PluginHostMsg_URLRequest_Params& params);
void OnCancelResource(int id);
void OnInvalidateRect(const gfx::Rect& rect);
void OnGetWindowScriptNPObject(int route_id, bool* success,
void** npobject_ptr);
void OnGetPluginElement(int route_id, bool* success, void** npobject_ptr);
void OnSetCookie(const GURL& url,
const GURL& policy_url,
const std::string& cookie);
void OnGetCookies(const GURL& url, const GURL& policy_url,
std::string* cookies);
void OnShowModalHTMLDialog(const GURL& url, int width, int height,
const std::string& json_arguments,
std::string* json_retval);
void OnMissingPluginStatus(int status);
void OnGetCPBrowsingContext(uint32* context);
void OnCancelDocumentLoad();
void OnInitiateHTTPRangeRequest(const std::string& url,
const std::string& range_info,
HANDLE existing_stream, bool notify_needed,
HANDLE notify_data);
// Draw a graphic indicating a crashed plugin.
void PaintSadPlugin(HDC hdc, const gfx::Rect& rect);
// Returns true if the given rectangle is different in the hdc and the
// current background bitmap.
bool BackgroundChanged(HDC hdc, const gfx::Rect& rect);
// Copies the given rectangle from the transport bitmap to the backing store.
void CopyFromTransportToBacking(const gfx::Rect& rect);
// Clears the shared memory section and canvases used for windowless plugins.
void ResetWindowlessBitmaps();
// Creates a shared memory section and canvas.
bool CreateBitmap(scoped_ptr<base::SharedMemory>* memory,
scoped_ptr<skia::PlatformCanvasWin>* canvas);
RenderView* render_view_;
WebPlugin* plugin_;
bool windowless_;
scoped_refptr<PluginChannelHost> channel_host_;
std::string mime_type_;
std::string clsid_;
int instance_id_;
FilePath plugin_path_;
gfx::Rect plugin_rect_;
gfx::Rect deferred_clip_rect_;
bool send_deferred_update_geometry_;
NPObject* npobject_;
NPObjectStub* window_script_object_;
// Event passed in by the plugin process and is used to decide if
// messages need to be pumped in the NPP_HandleEvent sync call.
scoped_ptr<base::WaitableEvent> modal_loop_pump_messages_event_;
// Bitmap for crashed plugin
SkBitmap* sad_plugin_;
// True if we got an invalidate from the plugin and are waiting for a paint.
bool invalidate_pending_;
// Used to desynchronize windowless painting. When WebKit paints, we bitblt
// from our backing store of what the plugin rectangle looks like. The
// plugin paints into the transport store, and we copy that to our backing
// store when we get an invalidate from it. The background bitmap is used
// for transparent plugins, as they need the backgroud data during painting.
bool transparent_;
scoped_ptr<base::SharedMemory> backing_store_;
scoped_ptr<skia::PlatformCanvasWin> backing_store_canvas_;
scoped_ptr<base::SharedMemory> transport_store_;
scoped_ptr<skia::PlatformCanvasWin> transport_store_canvas_;
scoped_ptr<base::SharedMemory> background_store_;
scoped_ptr<skia::PlatformCanvasWin> background_store_canvas_;
// This lets us know which portion of the backing store has been painted into.
gfx::Rect backing_store_painted_;
DISALLOW_EVIL_CONSTRUCTORS(WebPluginDelegateProxy);
};
#endif // CHROME_RENDERER_WEBPLUGIN_DELEGATE_PROXY_H_
|
