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Side by Side Diff: webkit/plugins/npapi/webview_plugin.cc

Issue 8461011: Clean up plug-in placeholders: (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: fix Created 9 years ago
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1 // Copyright (c) 2011 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 #include "webkit/plugins/npapi/webview_plugin.h"
6
7 #include "base/message_loop.h"
8 #include "base/metrics/histogram.h"
9 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h"
10 #include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h"
11 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
12 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
13 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPluginContainer.h"
14 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSize.h"
15 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
16 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLRequest.h"
17 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLResponse.h"
18 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
19 #include "webkit/glue/webpreferences.h"
20
21 #if WEBKIT_USING_CG
22 #include <CoreGraphics/CGContext.h>
23 #elif WEBKIT_USING_SKIA
24 #include "skia/ext/platform_canvas.h"
25 #endif
26
27 using WebKit::WebCanvas;
28 using WebKit::WebCursorInfo;
29 using WebKit::WebDragData;
30 using WebKit::WebDragOperationsMask;
31 using WebKit::WebFrame;
32 using WebKit::WebImage;
33 using WebKit::WebInputEvent;
34 using WebKit::WebMouseEvent;
35 using WebKit::WebPlugin;
36 using WebKit::WebPluginContainer;
37 using WebKit::WebPoint;
38 using WebKit::WebRect;
39 using WebKit::WebSize;
40 using WebKit::WebString;
41 using WebKit::WebURLError;
42 using WebKit::WebURLRequest;
43 using WebKit::WebURLResponse;
44 using WebKit::WebVector;
45 using WebKit::WebView;
46
47 namespace webkit {
48 namespace npapi {
49
50 WebViewPlugin::WebViewPlugin(WebViewPlugin::Delegate* delegate)
51 : delegate_(delegate),
52 container_(NULL),
53 finished_loading_(false) {
54 web_view_ = WebView::create(this);
55 web_view_->initializeMainFrame(this);
56 }
57
58 // static
59 WebViewPlugin* WebViewPlugin::Create(WebViewPlugin::Delegate* delegate,
60 const WebPreferences& preferences,
61 const std::string& html_data,
62 const GURL& url) {
63 WebViewPlugin* plugin = new WebViewPlugin(delegate);
64 WebView* web_view = plugin->web_view();
65 preferences.Apply(web_view);
66 web_view->mainFrame()->loadHTMLString(html_data, url);
67 return plugin;
68 }
69
70 WebViewPlugin::~WebViewPlugin() {
71 web_view_->close();
72 }
73
74 void WebViewPlugin::ReplayReceivedData(WebPlugin* plugin) {
75 if (!response_.isNull()) {
76 plugin->didReceiveResponse(response_);
77 size_t total_bytes = 0;
78 for (std::list<std::string>::iterator it = data_.begin();
79 it != data_.end(); ++it) {
80 plugin->didReceiveData(it->c_str(), it->length());
81 total_bytes += it->length();
82 }
83 UMA_HISTOGRAM_MEMORY_KB("PluginDocument.Memory", (total_bytes / 1024));
84 UMA_HISTOGRAM_COUNTS("PluginDocument.NumChunks", data_.size());
85 }
86 if (finished_loading_) {
87 plugin->didFinishLoading();
88 }
89 if (error_.get()) {
90 plugin->didFailLoading(*error_);
91 }
92 }
93
94 void WebViewPlugin::RestoreTitleText() {
95 if (container_)
96 container_->element().setAttribute("title", old_title_);
97 }
98
99
100 bool WebViewPlugin::initialize(WebPluginContainer* container) {
101 container_ = container;
102 if (container_)
103 old_title_ = container_->element().getAttribute("title");
104 return true;
105 }
106
107 void WebViewPlugin::destroy() {
108 if (delegate_) {
109 delegate_->WillDestroyPlugin();
110 delegate_ = NULL;
111 }
112 container_ = NULL;
113 MessageLoop::current()->DeleteSoon(FROM_HERE, this);
114 }
115
116 NPObject* WebViewPlugin::scriptableObject() {
117 return NULL;
118 }
119
120 bool WebViewPlugin::getFormValue(WebString* value) {
121 return false;
122 }
123
124 void WebViewPlugin::paint(WebCanvas* canvas, const WebRect& rect) {
125 gfx::Rect paintRect(rect_.Intersect(rect));
126 if (paintRect.IsEmpty())
127 return;
128
129 paintRect.Offset(-rect_.x(), -rect_.y());
130
131 #if WEBKIT_USING_CG
132 CGContextRef context = canvas;
133 CGContextTranslateCTM(context, rect_.x(), rect_.y());
134 CGContextSaveGState(context);
135 #elif WEBKIT_USING_SKIA
136 canvas->translate(SkIntToScalar(rect_.x()), SkIntToScalar(rect_.y()));
137 canvas->save();
138 #endif
139
140 web_view_->layout();
141 web_view_->paint(canvas, paintRect);
142
143 #if WEBKIT_USING_SKIA
144 canvas->restore();
145 #elif WEBKIT_USING_CG
146 CGContextRestoreGState(context);
147 #endif
148 }
149
150 // Coordinates are relative to the containing window.
151 void WebViewPlugin::updateGeometry(
152 const WebRect& frame_rect, const WebRect& clip_rect,
153 const WebVector<WebRect>& cut_out_rects, bool is_visible) {
154 if (frame_rect != rect_) {
155 rect_ = frame_rect;
156 web_view_->resize(WebSize(frame_rect.width, frame_rect.height));
157 }
158 }
159
160 bool WebViewPlugin::acceptsInputEvents() {
161 return true;
162 }
163
164 bool WebViewPlugin::handleInputEvent(const WebInputEvent& event,
165 WebCursorInfo& cursor) {
166 if (event.type == WebInputEvent::ContextMenu) {
167 if (delegate_) {
168 const WebMouseEvent& mouse_event =
169 reinterpret_cast<const WebMouseEvent&>(event);
170 delegate_->ShowContextMenu(mouse_event);
171 }
172 return true;
173 }
174 current_cursor_ = cursor;
175 bool handled = web_view_->handleInputEvent(event);
176 cursor = current_cursor_;
177 return handled;
178 }
179
180 void WebViewPlugin::didReceiveResponse(const WebURLResponse& response) {
181 DCHECK(response_.isNull());
182 response_ = response;
183 }
184
185 void WebViewPlugin::didReceiveData(const char* data, int data_length) {
186 data_.push_back(std::string(data, data_length));
187 }
188
189 void WebViewPlugin::didFinishLoading() {
190 DCHECK(!finished_loading_);
191 finished_loading_ = true;
192 }
193
194 void WebViewPlugin::didFailLoading(const WebURLError& error) {
195 DCHECK(!error_.get());
196 error_.reset(new WebURLError(error));
197 }
198
199 bool WebViewPlugin::acceptsLoadDrops() {
200 return false;
201 }
202
203 void WebViewPlugin::setToolTipText(const WebKit::WebString& text,
204 WebKit::WebTextDirection hint) {
205 if (container_)
206 container_->element().setAttribute("title", text);
207 }
208
209 void WebViewPlugin::startDragging(const WebDragData&,
210 WebDragOperationsMask,
211 const WebImage&,
212 const WebPoint&) {
213 // Immediately stop dragging.
214 web_view_->dragSourceSystemDragEnded();
215 }
216
217 void WebViewPlugin::didInvalidateRect(const WebRect& rect) {
218 if (container_)
219 container_->invalidateRect(rect);
220 }
221
222 void WebViewPlugin::didChangeCursor(const WebCursorInfo& cursor) {
223 current_cursor_ = cursor;
224 }
225
226 void WebViewPlugin::didClearWindowObject(WebFrame* frame) {
227 if (delegate_)
228 delegate_->BindWebFrame(frame);
229 }
230
231 bool WebViewPlugin::canHandleRequest(WebFrame* frame,
232 const WebURLRequest& request) {
233 return GURL(request.url()).SchemeIs("chrome");
234 }
235
236 WebURLError WebViewPlugin::cancelledError(WebFrame* frame,
237 const WebURLRequest& request) {
238 // Return an error with a non-zero reason so isNull() on the corresponding
239 // ResourceError is false.
240 WebURLError error;
241 error.domain = "WebViewPlugin";
242 error.reason = -1;
243 error.unreachableURL = request.url();
244 return error;
245 }
246
247 void WebViewPlugin::didReceiveResponse(WebFrame* frame,
248 unsigned identifier,
249 const WebURLResponse& response) {
250 WebFrameClient::didReceiveResponse(frame, identifier, response);
251 }
252
253 } // namespace npapi
254 } // namespace webkit
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