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
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
|
// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
#define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
#include <jni.h>
#include <memory>
#include "base/android/jni_android.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "content/browser/android/render_widget_host_connector.h"
#include "content/browser/navigation_transitions/back_forward_transition_animator.h"
#include "content/browser/renderer_host/navigation_controller_android.h"
#include "content/browser/renderer_host/render_widget_host_view_android.h"
#include "content/common/content_export.h"
#include "content/public/browser/back_forward_transition_animation_manager.h"
#include "third_party/blink/public/mojom/input/input_handler.mojom-forward.h"
#include "ui/android/browser_controls_offset_tag_definitions.h"
class GURL;
namespace ui {
struct AXTreeUpdate;
}
namespace content {
class WebContents;
class WebContentsImpl;
// Android wrapper around WebContents that provides safer passage from java and
// back to native and provides java with a means of communicating with its
// native counterpart.
class CONTENT_EXPORT WebContentsAndroid {
public:
explicit WebContentsAndroid(WebContentsImpl* web_contents);
WebContentsAndroid(const WebContentsAndroid&) = delete;
WebContentsAndroid& operator=(const WebContentsAndroid&) = delete;
~WebContentsAndroid();
void Init();
WebContentsImpl* web_contents() const { return web_contents_; }
base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
// Ensure that the RenderFrameHost etc are ready to handle JS eval
// (e.g. recover from a crashed state).
bool InitializeRenderFrameForJavaScript();
// Methods called from Java
void ClearNativeReference(JNIEnv* env);
base::android::ScopedJavaLocalRef<jobject> GetTopLevelNativeWindow(
JNIEnv* env);
void SetTopLevelNativeWindow(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jwindow_android);
void SetViewAndroidDelegate(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jview_delegate);
base::android::ScopedJavaLocalRef<jobject> GetMainFrame(JNIEnv* env) const;
base::android::ScopedJavaLocalRef<jobject> GetFocusedFrame(JNIEnv* env) const;
bool IsFocusedElementEditable(JNIEnv* env);
base::android::ScopedJavaLocalRef<jobject> GetRenderFrameHostFromId(
JNIEnv* env,
jint render_process_id,
jint render_frame_id) const;
base::android::ScopedJavaLocalRef<jobjectArray> GetAllRenderFrameHosts(
JNIEnv* env) const;
base::android::ScopedJavaLocalRef<jstring> GetTitle(JNIEnv* env) const;
base::android::ScopedJavaLocalRef<jobject> GetVisibleURL(JNIEnv* env) const;
jint GetVirtualKeyboardMode(JNIEnv* env) const;
bool IsLoading(JNIEnv* env) const;
bool ShouldShowLoadingUI(JNIEnv* env) const;
bool HasUncommittedNavigationInPrimaryMainFrame(JNIEnv* env) const;
void DispatchBeforeUnload(JNIEnv* env, bool auto_cancel);
void Stop(JNIEnv* env);
void Cut(JNIEnv* env);
void Copy(JNIEnv* env);
void Paste(JNIEnv* env);
void PasteAsPlainText(JNIEnv* env);
void Replace(JNIEnv* env, const base::android::JavaParamRef<jstring>& jstr);
void SelectAll(JNIEnv* env);
void CollapseSelection(JNIEnv* env);
jint GetBackgroundColor(JNIEnv* env);
base::android::ScopedJavaLocalRef<jobject> GetLastCommittedURL(
JNIEnv* env) const;
jboolean IsIncognito(JNIEnv* env);
void ResumeLoadingCreatedWebContents(JNIEnv* env);
void SetPrimaryMainFrameImportance(JNIEnv* env, jint importance);
void SuspendAllMediaPlayers(JNIEnv* env);
void SetAudioMuted(JNIEnv* env, jboolean mute);
jboolean IsAudioMuted(JNIEnv* env);
jboolean FocusLocationBarByDefault(JNIEnv* env);
bool IsFullscreenForCurrentTab(JNIEnv* env);
void ExitFullscreen(JNIEnv* env);
void ScrollFocusedEditableNodeIntoView(JNIEnv* env);
void SelectAroundCaret(JNIEnv* env,
jint granularity,
jboolean should_show_handle,
jboolean should_show_context_menu,
jint startOffset,
jint endOffset,
jint surroundingTextLength);
void AdjustSelectionByCharacterOffset(JNIEnv* env,
jint start_adjust,
jint end_adjust,
jboolean show_selection_menu);
void EvaluateJavaScript(JNIEnv* env,
const base::android::JavaParamRef<jstring>& script,
const base::android::JavaParamRef<jobject>& callback);
void EvaluateJavaScriptForTests(
JNIEnv* env,
const base::android::JavaParamRef<jstring>& script,
const base::android::JavaParamRef<jobject>& callback);
void AddMessageToDevToolsConsole(
JNIEnv* env,
jint level,
const base::android::JavaParamRef<jstring>& message);
void PostMessageToMainFrame(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jmessage,
const base::android::JavaParamRef<jstring>& jsource_origin,
const base::android::JavaParamRef<jstring>& jtarget_origin,
const base::android::JavaParamRef<jobjectArray>& jports);
jboolean HasAccessedInitialDocument(JNIEnv* env);
jboolean HasViewTransitionOptIn(JNIEnv* env);
// No theme color is represented by SK_ColorTRANSPARENT.
jint GetThemeColor(JNIEnv* env);
jfloat GetLoadProgress(JNIEnv* env);
void RequestSmartClipExtract(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& callback,
jint x,
jint y,
jint width,
jint height);
void RequestAccessibilitySnapshot(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& view_structure_root,
const base::android::JavaParamRef<jobject>& view_structure_builder,
const base::android::JavaParamRef<jobject>& callback);
base::android::ScopedJavaLocalRef<jstring> GetEncoding(JNIEnv* env) const;
void SetOverscrollRefreshHandler(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& overscroll_refresh_handler);
void SetSpatialNavigationDisabled(JNIEnv* env, bool disabled);
void SetStylusHandwritingEnabled(JNIEnv* env, bool enabled);
int DownloadImage(JNIEnv* env,
const base::android::JavaParamRef<jobject>& url,
jboolean is_fav_icon,
jint max_bitmap_size,
jboolean bypass_cache,
const base::android::JavaParamRef<jobject>& jcallback);
void SetHasPersistentVideo(JNIEnv* env, jboolean value);
bool HasActiveEffectivelyFullscreenVideo(JNIEnv* env);
bool IsPictureInPictureAllowedForFullscreenVideo(JNIEnv* env);
base::android::ScopedJavaLocalRef<jobject> GetFullscreenVideoSize(
JNIEnv* env);
void SetSize(JNIEnv* env, jint width, jint height);
int GetWidth(JNIEnv* env);
int GetHeight(JNIEnv* env);
base::android::ScopedJavaLocalRef<jobject> GetOrCreateEventForwarder(
JNIEnv* env);
void SendOrientationChangeEvent(JNIEnv* env, jint orientation);
void OnScaleFactorChanged(JNIEnv* env);
void SetFocus(JNIEnv* env, jboolean focused);
bool IsBeingDestroyed(JNIEnv* env);
void SetDisplayCutoutSafeArea(JNIEnv* env,
int top,
int left,
int bottom,
int right);
void SetContextMenuInsets(JNIEnv* env,
int top,
int left,
int bottom,
int right);
void ShowInterestInElement(JNIEnv* env, int nodeID);
void NotifyRendererPreferenceUpdate(JNIEnv* env);
void NotifyBrowserControlsHeightChanged(JNIEnv* env);
bool NeedToFireBeforeUnloadOrUnloadEvents(JNIEnv* env);
base::android::ScopedJavaLocalRef<jobject> GetRenderWidgetHostView(
JNIEnv* env);
jint GetVisibility(JNIEnv* env);
void UpdateWebContentsVisibility(JNIEnv* env, jint visibility);
void UpdateOffsetTagDefinitions(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& joffset_tag_definitions);
RenderWidgetHostViewAndroid* GetRenderWidgetHostViewAndroid();
class DestructionObserver : public base::CheckedObserver {
public:
// Invoked when the Java reference to the WebContents is being destroyed.
virtual void WebContentsAndroidDestroyed(
WebContentsAndroid* web_contents_android) = 0;
};
void AddDestructionObserver(DestructionObserver* observer);
void RemoveDestructionObserver(DestructionObserver* observer);
void OnContentForNavigationEntryShown(JNIEnv* env);
jint GetCurrentBackForwardTransitionStage(JNIEnv* env);
void CaptureContentAsBitmapForTesting(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& jcallback);
void OnFinishGetContentBitmapForTesting(
const base::android::JavaRef<jobject>& callback,
gfx::Image snapshot);
void SetLongPressLinkSelectText(JNIEnv* env, jboolean enabled);
void SetSupportsForwardTransitionAnimation(JNIEnv* env, jboolean enabled);
jboolean HasOpener(JNIEnv* env);
jint GetOriginalWindowOpenDisposition(JNIEnv* env);
// Adds a crash report, like DumpWithoutCrashing(), including the Java stack
// trace from which `web_contents` was created. This is meant to help debug
// cases where BrowserContext is destroyed before its WebContents.
static void ReportDanglingPtrToBrowserContext(JNIEnv* env,
WebContents* web_contents);
private:
void OnFinishDownloadImage(const base::android::JavaRef<jobject>& obj,
const base::android::JavaRef<jobject>& callback,
int id,
int http_status_code,
const GURL& url,
const std::vector<SkBitmap>& bitmaps,
const std::vector<gfx::Size>& sizes);
void SelectAroundCaretAck(int startOffset,
int endOffset,
int surroundingTextLength,
blink::mojom::SelectAroundCaretResultPtr result);
// Walks over the AXTreeUpdate and creates a light weight snapshot.
void AXTreeSnapshotCallback(
const base::android::JavaRef<jobject>& view_structure_root,
const base::android::JavaRef<jobject>& view_structure_builder,
const base::android::JavaRef<jobject>& callback,
ui::AXTreeUpdate& result);
raw_ptr<WebContentsImpl> web_contents_;
NavigationControllerAndroid navigation_controller_;
base::android::ScopedJavaGlobalRef<jobject> obj_;
base::ObserverList<DestructionObserver> destruction_observers_;
class BrowserControlsOffsetTagMediator : public RenderWidgetHostConnector {
public:
explicit BrowserControlsOffsetTagMediator(WebContents* web_contents);
~BrowserControlsOffsetTagMediator() override;
void SetOffsetTagDefinitions(const ui::BrowserControlsOffsetTagDefinitions&
new_offset_tag_definitions);
void UpdateRenderProcessConnection(
RenderWidgetHostViewAndroid* old_rwhva,
RenderWidgetHostViewAndroid* new_rhwva) override;
private:
raw_ptr<RenderWidgetHostViewAndroid> rwhva_ = nullptr;
ui::BrowserControlsOffsetTagDefinitions offset_tag_definitions_;
};
raw_ptr<BrowserControlsOffsetTagMediator> offset_tag_mediator_ = nullptr;
base::WeakPtrFactory<WebContentsAndroid> weak_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_ANDROID_H_
|
