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 #include "android_webview/browser/renderer_host/aw_render_view_host_ext.h"
6
7 #include "android_webview/browser/aw_browser_context.h"
8 #include "android_webview/browser/scoped_allow_wait_for_legacy_web_view_api.h"
9 #include "android_webview/common/render_view_messages.h"
10 #include "base/android/scoped_java_ref.h"
11 #include "base/callback.h"
12 #include "base/command_line.h"
13 #include "base/logging.h"
14 #include "content/public/browser/android/content_view_core.h"
15 #include "content/public/browser/render_process_host.h"
16 #include "content/public/browser/render_view_host.h"
17 #include "content/public/browser/user_metrics.h"
18 #include "content/public/browser/web_contents.h"
19 #include "content/public/common/frame_navigate_params.h"
20
21 namespace android_webview {
22
AwRenderViewHostExt(AwRenderViewHostExtClient * client,content::WebContents * contents)23 AwRenderViewHostExt::AwRenderViewHostExt(
24 AwRenderViewHostExtClient* client, content::WebContents* contents)
25 : content::WebContentsObserver(contents),
26 client_(client),
27 background_color_(SK_ColorWHITE),
28 has_new_hit_test_data_(false) {
29 DCHECK(client_);
30 }
31
~AwRenderViewHostExt()32 AwRenderViewHostExt::~AwRenderViewHostExt() {}
33
DocumentHasImages(DocumentHasImagesResult result)34 void AwRenderViewHostExt::DocumentHasImages(DocumentHasImagesResult result) {
35 DCHECK(CalledOnValidThread());
36 if (!web_contents()->GetRenderViewHost()) {
37 result.Run(false);
38 return;
39 }
40 static int next_id = 1;
41 int this_id = next_id++;
42 pending_document_has_images_requests_[this_id] = result;
43 Send(new AwViewMsg_DocumentHasImages(web_contents()->GetRoutingID(),
44 this_id));
45 }
46
ClearCache()47 void AwRenderViewHostExt::ClearCache() {
48 DCHECK(CalledOnValidThread());
49 Send(new AwViewMsg_ClearCache);
50 }
51
HasNewHitTestData() const52 bool AwRenderViewHostExt::HasNewHitTestData() const {
53 return has_new_hit_test_data_;
54 }
55
MarkHitTestDataRead()56 void AwRenderViewHostExt::MarkHitTestDataRead() {
57 has_new_hit_test_data_ = false;
58 }
59
RequestNewHitTestDataAt(int view_x,int view_y)60 void AwRenderViewHostExt::RequestNewHitTestDataAt(int view_x, int view_y) {
61 DCHECK(CalledOnValidThread());
62 Send(new AwViewMsg_DoHitTest(web_contents()->GetRoutingID(),
63 view_x,
64 view_y));
65 }
66
GetLastHitTestData() const67 const AwHitTestData& AwRenderViewHostExt::GetLastHitTestData() const {
68 DCHECK(CalledOnValidThread());
69 return last_hit_test_data_;
70 }
71
SetTextZoomFactor(float factor)72 void AwRenderViewHostExt::SetTextZoomFactor(float factor) {
73 DCHECK(CalledOnValidThread());
74 Send(new AwViewMsg_SetTextZoomFactor(web_contents()->GetRoutingID(), factor));
75 }
76
ResetScrollAndScaleState()77 void AwRenderViewHostExt::ResetScrollAndScaleState() {
78 DCHECK(CalledOnValidThread());
79 Send(new AwViewMsg_ResetScrollAndScaleState(web_contents()->GetRoutingID()));
80 }
81
SetInitialPageScale(double page_scale_factor)82 void AwRenderViewHostExt::SetInitialPageScale(double page_scale_factor) {
83 DCHECK(CalledOnValidThread());
84 Send(new AwViewMsg_SetInitialPageScale(web_contents()->GetRoutingID(),
85 page_scale_factor));
86 }
87
SetBackgroundColor(SkColor c)88 void AwRenderViewHostExt::SetBackgroundColor(SkColor c) {
89 if (background_color_ == c)
90 return;
91 background_color_ = c;
92 if (web_contents()->GetRenderViewHost()) {
93 Send(new AwViewMsg_SetBackgroundColor(web_contents()->GetRoutingID(),
94 background_color_));
95 }
96 }
97
SetJsOnlineProperty(bool network_up)98 void AwRenderViewHostExt::SetJsOnlineProperty(bool network_up) {
99 Send(new AwViewMsg_SetJsOnlineProperty(network_up));
100 }
101
RenderViewCreated(content::RenderViewHost * render_view_host)102 void AwRenderViewHostExt::RenderViewCreated(
103 content::RenderViewHost* render_view_host) {
104 Send(new AwViewMsg_SetBackgroundColor(web_contents()->GetRoutingID(),
105 background_color_));
106 }
107
RenderProcessGone(base::TerminationStatus status)108 void AwRenderViewHostExt::RenderProcessGone(base::TerminationStatus status) {
109 DCHECK(CalledOnValidThread());
110 for (std::map<int, DocumentHasImagesResult>::iterator pending_req =
111 pending_document_has_images_requests_.begin();
112 pending_req != pending_document_has_images_requests_.end();
113 ++pending_req) {
114 pending_req->second.Run(false);
115 }
116 }
117
DidNavigateAnyFrame(const content::LoadCommittedDetails & details,const content::FrameNavigateParams & params)118 void AwRenderViewHostExt::DidNavigateAnyFrame(
119 const content::LoadCommittedDetails& details,
120 const content::FrameNavigateParams& params) {
121 DCHECK(CalledOnValidThread());
122
123 AwBrowserContext::FromWebContents(web_contents())
124 ->AddVisitedURLs(params.redirects);
125 }
126
OnMessageReceived(const IPC::Message & message)127 bool AwRenderViewHostExt::OnMessageReceived(const IPC::Message& message) {
128 bool handled = true;
129 IPC_BEGIN_MESSAGE_MAP(AwRenderViewHostExt, message)
130 IPC_MESSAGE_HANDLER(AwViewHostMsg_DocumentHasImagesResponse,
131 OnDocumentHasImagesResponse)
132 IPC_MESSAGE_HANDLER(AwViewHostMsg_UpdateHitTestData,
133 OnUpdateHitTestData)
134 IPC_MESSAGE_HANDLER(AwViewHostMsg_PageScaleFactorChanged,
135 OnPageScaleFactorChanged)
136 IPC_MESSAGE_HANDLER(AwViewHostMsg_OnContentsSizeChanged,
137 OnContentsSizeChanged)
138 IPC_MESSAGE_UNHANDLED(handled = false)
139 IPC_END_MESSAGE_MAP()
140
141 return handled ? true : WebContentsObserver::OnMessageReceived(message);
142 }
143
OnDocumentHasImagesResponse(int msg_id,bool has_images)144 void AwRenderViewHostExt::OnDocumentHasImagesResponse(int msg_id,
145 bool has_images) {
146 DCHECK(CalledOnValidThread());
147 std::map<int, DocumentHasImagesResult>::iterator pending_req =
148 pending_document_has_images_requests_.find(msg_id);
149 if (pending_req == pending_document_has_images_requests_.end()) {
150 DLOG(WARNING) << "unexpected DocumentHasImages Response: " << msg_id;
151 } else {
152 pending_req->second.Run(has_images);
153 pending_document_has_images_requests_.erase(pending_req);
154 }
155 }
156
OnUpdateHitTestData(const AwHitTestData & hit_test_data)157 void AwRenderViewHostExt::OnUpdateHitTestData(
158 const AwHitTestData& hit_test_data) {
159 DCHECK(CalledOnValidThread());
160 last_hit_test_data_ = hit_test_data;
161 has_new_hit_test_data_ = true;
162 }
163
OnPageScaleFactorChanged(float page_scale_factor)164 void AwRenderViewHostExt::OnPageScaleFactorChanged(float page_scale_factor) {
165 client_->OnWebLayoutPageScaleFactorChanged(page_scale_factor);
166 }
167
OnContentsSizeChanged(const gfx::Size & contents_size)168 void AwRenderViewHostExt::OnContentsSizeChanged(
169 const gfx::Size& contents_size) {
170 client_->OnWebLayoutContentsSizeChanged(contents_size);
171 }
172
173 } // namespace android_webview
174